diff --git a/adb/Android.mk b/adb/Android.mk
index be04cfa..16ed991 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -50,6 +50,7 @@
     fdevent.cpp \
     sockets.cpp \
     socket_spec.cpp \
+    sysdeps/errno.cpp \
     transport.cpp \
     transport_local.cpp \
     transport_usb.cpp \
@@ -88,10 +89,12 @@
 
 LIBADB_windows_SRC_FILES := \
     sysdeps_win32.cpp \
+    sysdeps/win32/errno.cpp \
     sysdeps/win32/stat.cpp \
     usb_windows.cpp \
 
 LIBADB_TEST_windows_SRCS := \
+    sysdeps/win32/errno_test.cpp \
     sysdeps_win32_test.cpp \
 
 include $(CLEAR_VARS)
diff --git a/adb/adb.h b/adb/adb.h
index df59aaa..19f09a3 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -51,7 +51,7 @@
 std::string adb_version();
 
 // Increment this when we want to force users to start a new adb server.
-#define ADB_SERVER_VERSION 37
+#define ADB_SERVER_VERSION 38
 
 class atransport;
 struct usb_handle;
diff --git a/adb/adb_client.cpp b/adb/adb_client.cpp
index 0b1ba32..ef52189 100644
--- a/adb/adb_client.cpp
+++ b/adb/adb_client.cpp
@@ -46,21 +46,11 @@
 
 static const char* __adb_server_socket_spec;
 
-void adb_set_transport(TransportType type, const char* serial)
-{
+void adb_set_transport(TransportType type, const char* serial) {
     __adb_transport = type;
     __adb_serial = serial;
 }
 
-void adb_get_transport(TransportType* type, const char** serial) {
-    if (type) {
-        *type = __adb_transport;
-    }
-    if (serial) {
-        *serial = __adb_serial;
-    }
-}
-
 void adb_set_socket_spec(const char* socket_spec) {
     if (__adb_server_socket_spec) {
         LOG(FATAL) << "attempted to reinitialize adb_server_socket_spec " << socket_spec << " (was " << __adb_server_socket_spec << ")";
diff --git a/adb/adb_client.h b/adb/adb_client.h
index d35d705..d07c1e9 100644
--- a/adb/adb_client.h
+++ b/adb/adb_client.h
@@ -40,9 +40,6 @@
 // Set the preferred transport to connect to.
 void adb_set_transport(TransportType type, const char* _Nullable serial);
 
-// Get the preferred transport to connect to.
-void adb_get_transport(TransportType* _Nullable type, const char* _Nullable* _Nullable serial);
-
 // Set the socket specification for the adb server.
 // This function can only be called once, and the argument must live to the end of the process.
 void adb_set_socket_spec(const char* _Nonnull socket_spec);
diff --git a/adb/bugreport.cpp b/adb/bugreport.cpp
index 143c62a..9b59d05 100644
--- a/adb/bugreport.cpp
+++ b/adb/bugreport.cpp
@@ -21,7 +21,6 @@
 #include <string>
 #include <vector>
 
-#include <android-base/parseint.h>
 #include <android-base/strings.h>
 
 #include "sysdeps.h"
@@ -144,11 +143,9 @@
             //
             size_t idx1 = line.rfind(BUGZ_PROGRESS_PREFIX) + strlen(BUGZ_PROGRESS_PREFIX);
             size_t idx2 = line.rfind(BUGZ_PROGRESS_SEPARATOR);
-            int progress, total;
-            if (android::base::ParseInt(line.substr(idx1, (idx2 - idx1)), &progress) &&
-                android::base::ParseInt(line.substr(idx2 + 1), &total)) {
-                br_->UpdateProgress(line_message_, progress, total);
-            }
+            int progress = std::stoi(line.substr(idx1, (idx2 - idx1)));
+            int total = std::stoi(line.substr(idx2 + 1));
+            br_->UpdateProgress(line_message_, progress, total);
         } else {
             invalid_lines_.push_back(line);
         }
diff --git a/adb/file_sync_client.cpp b/adb/file_sync_client.cpp
index caa7a5f..76119ef 100644
--- a/adb/file_sync_client.cpp
+++ b/adb/file_sync_client.cpp
@@ -15,12 +15,10 @@
  */
 
 #include <dirent.h>
-#include <errno.h>
 #include <inttypes.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
@@ -43,6 +41,7 @@
 #include "adb_utils.h"
 #include "file_sync_service.h"
 #include "line_printer.h"
+#include "sysdeps/errno.h"
 #include "sysdeps/stat.h"
 
 #include <android-base/file.h>
@@ -75,8 +74,8 @@
 struct copyinfo {
     std::string lpath;
     std::string rpath;
-    unsigned int time = 0;
-    unsigned int mode;
+    int64_t time = 0;
+    uint32_t mode;
     uint64_t size = 0;
     bool skip = false;
 
@@ -203,9 +202,16 @@
         max = SYNC_DATA_MAX; // TODO: decide at runtime.
 
         std::string error;
-        fd = adb_connect("sync:", &error);
-        if (fd < 0) {
-            Error("connect failed: %s", error.c_str());
+        FeatureSet features;
+        if (!adb_get_feature_set(&features, &error)) {
+            fd = -1;
+            Error("failed to get feature set: %s", error.c_str());
+        } else {
+            have_stat_v2_ = CanUseFeature(features, kFeatureStat2);
+            fd = adb_connect("sync:", &error);
+            if (fd < 0) {
+                Error("connect failed: %s", error.c_str());
+            }
         }
     }
 
@@ -292,6 +298,77 @@
         return WriteFdExactly(fd, &buf[0], buf.size());
     }
 
+    bool SendStat(const char* path_and_mode) {
+        if (!have_stat_v2_) {
+            errno = ENOTSUP;
+            return false;
+        }
+        return SendRequest(ID_STAT_V2, path_and_mode);
+    }
+
+    bool SendLstat(const char* path_and_mode) {
+        if (have_stat_v2_) {
+            return SendRequest(ID_LSTAT_V2, path_and_mode);
+        } else {
+            return SendRequest(ID_LSTAT_V1, path_and_mode);
+        }
+    }
+
+    bool FinishStat(struct stat* st) {
+        syncmsg msg;
+
+        memset(st, 0, sizeof(*st));
+        if (have_stat_v2_) {
+            if (!ReadFdExactly(fd, &msg.stat_v2, sizeof(msg.stat_v2))) {
+                fatal_errno("protocol fault: failed to read stat response");
+            }
+
+            if (msg.stat_v2.id != ID_LSTAT_V2 && msg.stat_v2.id != ID_STAT_V2) {
+                fatal_errno("protocol fault: stat response has wrong message id: %" PRIx32,
+                            msg.stat_v2.id);
+            }
+
+            if (msg.stat_v2.error != 0) {
+                errno = errno_from_wire(msg.stat_v2.error);
+                return false;
+            }
+
+            st->st_dev = msg.stat_v2.dev;
+            st->st_ino = msg.stat_v2.ino;
+            st->st_mode = msg.stat_v2.mode;
+            st->st_nlink = msg.stat_v2.nlink;
+            st->st_uid = msg.stat_v2.uid;
+            st->st_gid = msg.stat_v2.gid;
+            st->st_size = msg.stat_v2.size;
+            st->st_atime = msg.stat_v2.atime;
+            st->st_mtime = msg.stat_v2.mtime;
+            st->st_ctime = msg.stat_v2.ctime;
+            return true;
+        } else {
+            if (!ReadFdExactly(fd, &msg.stat_v1, sizeof(msg.stat_v1))) {
+                fatal_errno("protocol fault: failed to read stat response");
+            }
+
+            if (msg.stat_v1.id != ID_LSTAT_V1) {
+                fatal_errno("protocol fault: stat response has wrong message id: %" PRIx32,
+                            msg.stat_v1.id);
+            }
+
+            if (msg.stat_v1.mode == 0 && msg.stat_v1.size == 0 && msg.stat_v1.time == 0) {
+                // There's no way for us to know what the error was.
+                errno = ENOPROTOOPT;
+                return false;
+            }
+
+            st->st_mode = msg.stat_v1.mode;
+            st->st_size = msg.stat_v1.size;
+            st->st_ctime = msg.stat_v1.time;
+            st->st_mtime = msg.stat_v1.time;
+        }
+
+        return true;
+    }
+
     // Sending header, payload, and footer in a single write makes a huge
     // difference to "adb sync" performance.
     bool SendSmallFile(const char* path_and_mode,
@@ -429,7 +506,7 @@
             return false;
         }
         buf[msg.status.msglen] = 0;
-        Error("failed to copy '%s' to '%s': %s", from, to, &buf[0]);
+        Error("failed to copy '%s' to '%s': remote %s", from, to, &buf[0]);
         return false;
     }
 
@@ -500,6 +577,7 @@
 
   private:
     bool expect_done_;
+    bool have_stat_v2_;
 
     TransferLedger global_ledger_;
     TransferLedger current_ledger_;
@@ -555,25 +633,47 @@
     }
 }
 
-static bool sync_finish_stat(SyncConnection& sc, unsigned int* timestamp,
-                             unsigned int* mode, unsigned int* size) {
-    syncmsg msg;
-    if (!ReadFdExactly(sc.fd, &msg.stat, sizeof(msg.stat)) || msg.stat.id != ID_STAT) {
+static bool sync_stat(SyncConnection& sc, const char* path, struct stat* st) {
+    return sc.SendStat(path) && sc.FinishStat(st);
+}
+
+static bool sync_lstat(SyncConnection& sc, const char* path, struct stat* st) {
+    return sc.SendLstat(path) && sc.FinishStat(st);
+}
+
+static bool sync_stat_fallback(SyncConnection& sc, const char* path, struct stat* st) {
+    if (sync_stat(sc, path, st)) {
+        return true;
+    }
+
+    if (errno != ENOTSUP) {
         return false;
     }
 
-    if (timestamp) *timestamp = msg.stat.time;
-    if (mode) *mode = msg.stat.mode;
-    if (size) *size = msg.stat.size;
+    // Try to emulate the parts we can when talking to older adbds.
+    bool lstat_result = sync_lstat(sc, path, st);
+    if (!lstat_result) {
+        return false;
+    }
 
+    if (S_ISLNK(st->st_mode)) {
+        // If the target is a symlink, figure out whether it's a file or a directory.
+        // Also, zero out the st_size field, since no one actually cares what the path length is.
+        st->st_size = 0;
+        std::string dir_path = path;
+        dir_path.push_back('/');
+        struct stat tmp_st;
+
+        st->st_mode &= ~S_IFMT;
+        if (sync_lstat(sc, dir_path.c_str(), &tmp_st)) {
+            st->st_mode |= S_IFDIR;
+        } else {
+            st->st_mode |= S_IFREG;
+        }
+    }
     return true;
 }
 
-static bool sync_stat(SyncConnection& sc, const char* path,
-                      unsigned int* timestamp, unsigned int* mode, unsigned int* size) {
-    return sc.SendRequest(ID_STAT, path) && sync_finish_stat(sc, timestamp, mode, size);
-}
-
 static bool sync_send(SyncConnection& sc, const char* lpath, const char* rpath,
                       unsigned mtime, mode_t mode)
 {
@@ -621,8 +721,11 @@
 
 static bool sync_recv(SyncConnection& sc, const char* rpath, const char* lpath,
                       const char* name=nullptr) {
-    unsigned size = 0;
-    if (!sync_stat(sc, rpath, nullptr, nullptr, &size)) return false;
+    struct stat st;
+    if (!sync_stat_fallback(sc, rpath, &st)) {
+        sc.Error("stat failed when trying to receive %s: %s", rpath, strerror(errno));
+        return false;
+    }
 
     if (!sc.SendRequest(ID_RECV, rpath)) return false;
 
@@ -675,7 +778,7 @@
         bytes_copied += msg.data.size;
 
         sc.RecordBytesTransferred(msg.data.size);
-        sc.ReportProgress(name != nullptr ? name : rpath, bytes_copied, size);
+        sc.ReportProgress(name != nullptr ? name : rpath, bytes_copied, st.st_size);
     }
 
     sc.RecordFilesTransferred(1);
@@ -778,20 +881,20 @@
 
     if (check_timestamps) {
         for (const copyinfo& ci : file_list) {
-            if (!sc.SendRequest(ID_STAT, ci.rpath.c_str())) {
+            if (!sc.SendLstat(ci.rpath.c_str())) {
+                sc.Error("failed to send lstat");
                 return false;
             }
         }
         for (copyinfo& ci : file_list) {
-            unsigned int timestamp, mode, size;
-            if (!sync_finish_stat(sc, &timestamp, &mode, &size)) {
-                return false;
-            }
-            if (size == ci.size) {
-                // For links, we cannot update the atime/mtime.
-                if ((S_ISREG(ci.mode & mode) && timestamp == ci.time) ||
-                        (S_ISLNK(ci.mode & mode) && timestamp >= ci.time)) {
-                    ci.skip = true;
+            struct stat st;
+            if (sc.FinishStat(&st)) {
+                if (st.st_size == static_cast<off_t>(ci.size)) {
+                    // For links, we cannot update the atime/mtime.
+                    if ((S_ISREG(ci.mode & st.st_mode) && st.st_mtime == ci.time) ||
+                        (S_ISLNK(ci.mode & st.st_mode) && st.st_mtime >= ci.time)) {
+                        ci.skip = true;
+                    }
                 }
             }
         }
@@ -823,10 +926,22 @@
     if (!sc.IsValid()) return false;
 
     bool success = true;
-    unsigned dst_mode;
-    if (!sync_stat(sc, dst, nullptr, &dst_mode, nullptr)) return false;
-    bool dst_exists = (dst_mode != 0);
-    bool dst_isdir = S_ISDIR(dst_mode);
+    bool dst_exists;
+    bool dst_isdir;
+
+    struct stat st;
+    if (sync_stat_fallback(sc, dst, &st)) {
+        dst_exists = true;
+        dst_isdir = S_ISDIR(st.st_mode);
+    } else {
+        if (errno == ENOENT || errno == ENOPROTOOPT) {
+            dst_exists = false;
+            dst_isdir = false;
+        } else {
+            sc.Error("stat failed when trying to push to %s: %s", dst, strerror(errno));
+            return false;
+        }
+    }
 
     if (!dst_isdir) {
         if (srcs.size() > 1) {
@@ -871,8 +986,7 @@
                 dst_dir.append(adb_basename(src_path));
             }
 
-            success &= copy_local_dir_remote(sc, src_path, dst_dir.c_str(),
-                                             false, false);
+            success &= copy_local_dir_remote(sc, src_path, dst_dir.c_str(), false, false);
             continue;
         } else if (!should_push_file(st.st_mode)) {
             sc.Warning("skipping special file '%s' (mode = 0o%o)", src_path, st.st_mode);
@@ -901,17 +1015,6 @@
     return success;
 }
 
-static bool remote_symlink_isdir(SyncConnection& sc, const std::string& rpath) {
-    unsigned mode;
-    std::string dir_path = rpath;
-    dir_path.push_back('/');
-    if (!sync_stat(sc, dir_path.c_str(), nullptr, &mode, nullptr)) {
-        sc.Error("failed to stat remote symlink '%s'", dir_path.c_str());
-        return false;
-    }
-    return S_ISDIR(mode);
-}
-
 static bool remote_build_list(SyncConnection& sc, std::vector<copyinfo>* file_list,
                               const std::string& rpath, const std::string& lpath) {
     std::vector<copyinfo> dirlist;
@@ -949,7 +1052,13 @@
 
     // Check each symlink we found to see whether it's a file or directory.
     for (copyinfo& link_ci : linklist) {
-        if (remote_symlink_isdir(sc, link_ci.rpath)) {
+        struct stat st;
+        if (!sync_stat_fallback(sc, link_ci.rpath.c_str(), &st)) {
+            sc.Warning("stat failed for path %s: %s", link_ci.rpath.c_str(), strerror(errno));
+            continue;
+        }
+
+        if (S_ISDIR(st.st_mode)) {
             dirlist.emplace_back(std::move(link_ci));
         } else {
             file_list->emplace_back(std::move(link_ci));
@@ -1075,22 +1184,19 @@
 
     for (const char* src_path : srcs) {
         const char* dst_path = dst;
-        unsigned src_mode, src_time, src_size;
-        if (!sync_stat(sc, src_path, &src_time, &src_mode, &src_size)) {
-            sc.Error("failed to stat remote object '%s'", src_path);
-            return false;
-        }
-        if (src_mode == 0) {
-            sc.Error("remote object '%s' does not exist", src_path);
+        struct stat src_st;
+        if (!sync_stat_fallback(sc, src_path, &src_st)) {
+            if (errno == ENOPROTOOPT) {
+                sc.Error("remote object '%s' does not exist", src_path);
+            } else {
+                sc.Error("failed to stat remote object '%s': %s", src_path, strerror(errno));
+            }
+
             success = false;
             continue;
         }
 
-        bool src_isdir = S_ISDIR(src_mode);
-        if (S_ISLNK(src_mode)) {
-            src_isdir = remote_symlink_isdir(sc, src_path);
-        }
-
+        bool src_isdir = S_ISDIR(src_st.st_mode);
         if (src_isdir) {
             std::string dst_dir = dst;
 
@@ -1109,8 +1215,8 @@
 
             success &= copy_remote_dir_local(sc, src_path, dst_dir.c_str(), copy_attrs);
             continue;
-        } else if (!should_pull_file(src_mode)) {
-            sc.Warning("skipping special file '%s' (mode = 0o%o)", src_path, src_mode);
+        } else if (!should_pull_file(src_st.st_mode)) {
+            sc.Warning("skipping special file '%s' (mode = 0o%o)", src_path, src_st.st_mode);
             continue;
         }
 
@@ -1125,13 +1231,13 @@
         }
 
         sc.NewTransfer();
-        sc.SetExpectedTotalBytes(src_size);
+        sc.SetExpectedTotalBytes(src_st.st_size);
         if (!sync_recv(sc, src_path, dst_path, name)) {
             success = false;
             continue;
         }
 
-        if (copy_attrs && set_time_and_mode(dst_path, src_time, src_mode) != 0) {
+        if (copy_attrs && set_time_and_mode(dst_path, src_st.st_mtime, src_st.st_mode) != 0) {
             success = false;
             continue;
         }
diff --git a/adb/file_sync_service.cpp b/adb/file_sync_service.cpp
index 7a92d2e..43c877e 100644
--- a/adb/file_sync_service.cpp
+++ b/adb/file_sync_service.cpp
@@ -41,6 +41,7 @@
 #include "adb_io.h"
 #include "adb_utils.h"
 #include "security_log_tags.h"
+#include "sysdeps/errno.h"
 
 static bool should_use_fs_config(const std::string& path) {
     // TODO: use fs_config to configure permissions on /data.
@@ -98,18 +99,47 @@
     return true;
 }
 
-static bool do_stat(int s, const char* path) {
-    syncmsg msg;
-    msg.stat.id = ID_STAT;
+static bool do_lstat_v1(int s, const char* path) {
+    syncmsg msg = {};
+    msg.stat_v1.id = ID_LSTAT_V1;
 
     struct stat st = {};
-    // TODO: add a way to report that the stat failed!
     lstat(path, &st);
-    msg.stat.mode = st.st_mode;
-    msg.stat.size = st.st_size;
-    msg.stat.time = st.st_mtime;
+    msg.stat_v1.mode = st.st_mode;
+    msg.stat_v1.size = st.st_size;
+    msg.stat_v1.time = st.st_mtime;
+    return WriteFdExactly(s, &msg.stat_v1, sizeof(msg.stat_v1));
+}
 
-    return WriteFdExactly(s, &msg.stat, sizeof(msg.stat));
+static bool do_stat_v2(int s, uint32_t id, const char* path) {
+    syncmsg msg = {};
+    msg.stat_v2.id = id;
+
+    decltype(&stat) stat_fn;
+    if (id == ID_STAT_V2) {
+        stat_fn = stat;
+    } else {
+        stat_fn = lstat;
+    }
+
+    struct stat st = {};
+    int rc = stat_fn(path, &st);
+    if (rc == -1) {
+        msg.stat_v2.error = errno_to_wire(errno);
+    } else {
+        msg.stat_v2.dev = st.st_dev;
+        msg.stat_v2.ino = st.st_ino;
+        msg.stat_v2.mode = st.st_mode;
+        msg.stat_v2.nlink = st.st_nlink;
+        msg.stat_v2.uid = st.st_uid;
+        msg.stat_v2.gid = st.st_gid;
+        msg.stat_v2.size = st.st_size;
+        msg.stat_v2.atime = st.st_atime;
+        msg.stat_v2.mtime = st.st_mtime;
+        msg.stat_v2.ctime = st.st_ctime;
+    }
+
+    return WriteFdExactly(s, &msg.stat_v2, sizeof(msg.stat_v2));
 }
 
 static bool do_list(int s, const char* path) {
@@ -427,30 +457,34 @@
     D("sync: '%.4s' '%s'", id, name);
 
     switch (request.id) {
-      case ID_STAT:
-        if (!do_stat(fd, name)) return false;
-        break;
-      case ID_LIST:
-        if (!do_list(fd, name)) return false;
-        break;
-      case ID_SEND:
-        if (!do_send(fd, name, buffer)) return false;
-        break;
-      case ID_RECV:
-        if (!do_recv(fd, name, buffer)) return false;
-        break;
-      case ID_QUIT:
-        return false;
-      default:
-        SendSyncFail(fd, android::base::StringPrintf("unknown command '%.4s' (%08x)",
-                                                     id, request.id));
-        return false;
+        case ID_LSTAT_V1:
+            if (!do_lstat_v1(fd, name)) return false;
+            break;
+        case ID_LSTAT_V2:
+        case ID_STAT_V2:
+            if (!do_stat_v2(fd, request.id, name)) return false;
+            break;
+        case ID_LIST:
+            if (!do_list(fd, name)) return false;
+            break;
+        case ID_SEND:
+            if (!do_send(fd, name, buffer)) return false;
+            break;
+        case ID_RECV:
+            if (!do_recv(fd, name, buffer)) return false;
+            break;
+        case ID_QUIT:
+            return false;
+        default:
+            SendSyncFail(
+                fd, android::base::StringPrintf("unknown command '%.4s' (%08x)", id, request.id));
+            return false;
     }
 
     return true;
 }
 
-void file_sync_service(int fd, void* cookie) {
+void file_sync_service(int fd, void*) {
     std::vector<char> buffer(SYNC_DATA_MAX);
 
     while (handle_sync_command(fd, buffer)) {
diff --git a/adb/file_sync_service.h b/adb/file_sync_service.h
index 0e25974..90f1965 100644
--- a/adb/file_sync_service.h
+++ b/adb/file_sync_service.h
@@ -22,7 +22,9 @@
 
 #define MKID(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
 
-#define ID_STAT MKID('S','T','A','T')
+#define ID_LSTAT_V1 MKID('S','T','A','T')
+#define ID_STAT_V2 MKID('S','T','A','2')
+#define ID_LSTAT_V2 MKID('L','S','T','2')
 #define ID_LIST MKID('L','I','S','T')
 #define ID_SEND MKID('S','E','N','D')
 #define ID_RECV MKID('R','E','C','V')
@@ -45,7 +47,21 @@
         uint32_t mode;
         uint32_t size;
         uint32_t time;
-    } stat;
+    } stat_v1;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t error;
+        uint64_t dev;
+        uint64_t ino;
+        uint32_t mode;
+        uint32_t nlink;
+        uint32_t uid;
+        uint32_t gid;
+        uint64_t size;
+        int64_t atime;
+        int64_t mtime;
+        int64_t ctime;
+    } stat_v2;
     struct __attribute__((packed)) {
         uint32_t id;
         uint32_t mode;
diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 05d9fde..654072c 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -34,6 +34,7 @@
 #include <android-base/unique_fd.h>
 #include <android-base/utf8.h>
 
+#include "sysdeps/errno.h"
 #include "sysdeps/stat.h"
 
 /*
@@ -361,9 +362,6 @@
 
 #define getcwd adb_getcwd
 
-char* adb_strerror(int err);
-#define strerror adb_strerror
-
 // Helper class to convert UTF-16 argv from wmain() to UTF-8 args that can be
 // passed to main().
 class NarrowArgs {
diff --git a/adb/sysdeps/errno.cpp b/adb/sysdeps/errno.cpp
new file mode 100644
index 0000000..6869947
--- /dev/null
+++ b/adb/sysdeps/errno.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sysdeps/errno.h"
+
+#include <errno.h>
+
+#include <thread>
+#include <unordered_map>
+#include <utility>
+
+#include "adb.h"
+
+#if defined(_WIN32)
+#define ETXTBSY EBUSY
+#endif
+
+// Use the linux asm-generic values for errno (which are used on all android archs but mips).
+#define ERRNO_VALUES()             \
+    ERRNO_VALUE(EACCES, 13);       \
+    ERRNO_VALUE(EEXIST, 17);       \
+    ERRNO_VALUE(EFAULT, 14);       \
+    ERRNO_VALUE(EFBIG, 27);        \
+    ERRNO_VALUE(EINTR, 4);         \
+    ERRNO_VALUE(EINVAL, 22);       \
+    ERRNO_VALUE(EIO, 5);           \
+    ERRNO_VALUE(EISDIR, 21);       \
+    ERRNO_VALUE(ELOOP, 40);        \
+    ERRNO_VALUE(EMFILE, 24);       \
+    ERRNO_VALUE(ENAMETOOLONG, 36); \
+    ERRNO_VALUE(ENFILE, 23);       \
+    ERRNO_VALUE(ENOENT, 2);        \
+    ERRNO_VALUE(ENOMEM, 12);       \
+    ERRNO_VALUE(ENOSPC, 28);       \
+    ERRNO_VALUE(ENOTDIR, 20);      \
+    ERRNO_VALUE(EOVERFLOW, 75);    \
+    ERRNO_VALUE(EPERM, 1);         \
+    ERRNO_VALUE(EROFS, 30);        \
+    ERRNO_VALUE(ETXTBSY, 26)
+
+// Make sure these values are actually correct.
+#if defined(__linux__) && !defined(__mips__)
+#define ERRNO_VALUE(error_name, wire_value) static_assert((error_name) == (wire_value), "")
+ERRNO_VALUES();
+#undef ERRNO_VALUE
+#endif
+
+static std::unordered_map<int, int>* generate_host_to_wire() {
+    auto result = new std::unordered_map<int, int>();
+#define ERRNO_VALUE(error_name, wire_value) \
+    result->insert(std::make_pair((error_name), (wire_value)))
+    ERRNO_VALUES();
+#undef ERRNO_VALUE
+    return result;
+}
+
+static std::unordered_map<int, int>* generate_wire_to_host() {
+    auto result = new std::unordered_map<int, int>();
+#define ERRNO_VALUE(error_name, wire_value) \
+    result->insert(std::make_pair((wire_value), (error_name)))
+    ERRNO_VALUES();
+#undef ERRNO_VALUE
+    return result;
+}
+
+static std::unordered_map<int, int>& host_to_wire = *generate_host_to_wire();
+static std::unordered_map<int, int>& wire_to_host = *generate_wire_to_host();
+
+int errno_to_wire(int error) {
+    auto it = host_to_wire.find(error);
+    if (it == host_to_wire.end()) {
+        LOG(ERROR) << "failed to convert errno " << error << " (" << strerror(error) << ") to wire";
+
+        // Return EIO;
+        return 5;
+    }
+    return it->second;
+}
+
+int errno_from_wire(int error) {
+    auto it = host_to_wire.find(error);
+    if (it == host_to_wire.end()) {
+        LOG(ERROR) << "failed to convert errno " << error << " from wire";
+        return EIO;
+    }
+    return it->second;
+}
diff --git a/adb/sysdeps/errno.h b/adb/sysdeps/errno.h
new file mode 100644
index 0000000..72816b1
--- /dev/null
+++ b/adb/sysdeps/errno.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <errno.h>
+#include <string.h>
+
+#if defined(_WIN32)
+char* adb_strerror(int err);
+#define strerror adb_strerror
+#endif
+
+// errno values differ between operating systems and between Linux architectures.
+// Arbitrarily select the Linux asm-generic values to use in the wire protocol.
+int errno_to_wire(int error);
+int errno_from_wire(int error);
diff --git a/adb/sysdeps/win32/errno.cpp b/adb/sysdeps/win32/errno.cpp
new file mode 100644
index 0000000..a3b9d9b
--- /dev/null
+++ b/adb/sysdeps/win32/errno.cpp
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sysdeps/errno.h"
+
+#include <windows.h>
+
+#include <string>
+
+// Overrides strerror() to handle error codes not supported by the Windows C
+// Runtime (MSVCRT.DLL).
+char* adb_strerror(int err) {
+// sysdeps.h defines strerror to adb_strerror, but in this function, we
+// want to call the real C Runtime strerror().
+#pragma push_macro("strerror")
+#undef strerror
+    const int saved_err = errno;  // Save because we overwrite it later.
+
+    // Lookup the string for an unknown error.
+    char* errmsg = strerror(-1);
+    const std::string unknown_error = (errmsg == nullptr) ? "" : errmsg;
+
+    // Lookup the string for this error to see if the C Runtime has it.
+    errmsg = strerror(err);
+    if (errmsg != nullptr && unknown_error != errmsg) {
+        // The CRT returned an error message and it is different than the error
+        // message for an unknown error, so it is probably valid, so use it.
+    } else {
+        // Check if we have a string for this error code.
+        const char* custom_msg = nullptr;
+        switch (err) {
+#pragma push_macro("ERR")
+#undef ERR
+#define ERR(errnum, desc) case errnum: custom_msg = desc; break
+            // These error strings are from AOSP bionic/libc/include/sys/_errdefs.h.
+            // Note that these cannot be longer than 94 characters because we
+            // pass this to _strerror() which has that requirement.
+            ERR(ECONNRESET,    "Connection reset by peer");
+            ERR(EHOSTUNREACH,  "No route to host");
+            ERR(ENETDOWN,      "Network is down");
+            ERR(ENETRESET,     "Network dropped connection because of reset");
+            ERR(ENOBUFS,       "No buffer space available");
+            ERR(ENOPROTOOPT,   "Protocol not available");
+            ERR(ENOTCONN,      "Transport endpoint is not connected");
+            ERR(ENOTSOCK,      "Socket operation on non-socket");
+            ERR(EOPNOTSUPP,    "Operation not supported on transport endpoint");
+#pragma pop_macro("ERR")
+        }
+
+        if (custom_msg != nullptr) {
+            // Use _strerror() to write our string into the writable per-thread
+            // buffer used by strerror()/_strerror(). _strerror() appends the
+            // msg for the current value of errno, so set errno to a consistent
+            // value for every call so that our code-path is always the same.
+            errno = 0;
+            errmsg = _strerror(custom_msg);
+            const size_t custom_msg_len = strlen(custom_msg);
+            // Just in case _strerror() returned a read-only string, check if
+            // the returned string starts with our custom message because that
+            // implies that the string is not read-only.
+            if ((errmsg != nullptr) && !strncmp(custom_msg, errmsg, custom_msg_len)) {
+                // _strerror() puts other text after our custom message, so
+                // remove that by terminating after our message.
+                errmsg[custom_msg_len] = '\0';
+            } else {
+                // For some reason nullptr was returned or a pointer to a
+                // read-only string was returned, so fallback to whatever
+                // strerror() can muster (probably "Unknown error" or some
+                // generic CRT error string).
+                errmsg = strerror(err);
+            }
+        } else {
+            // We don't have a custom message, so use whatever strerror(err)
+            // returned earlier.
+        }
+    }
+
+    errno = saved_err;  // restore
+
+    return errmsg;
+#pragma pop_macro("strerror")
+}
diff --git a/adb/sysdeps/win32/errno_test.cpp b/adb/sysdeps/win32/errno_test.cpp
new file mode 100644
index 0000000..09ec52c
--- /dev/null
+++ b/adb/sysdeps/win32/errno_test.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sysdeps/errno.h"
+
+#include <string>
+
+#include <gtest/gtest.h>
+
+void TestAdbStrError(int err, const char* expected) {
+    errno = 12345;
+    const char* result = adb_strerror(err);
+    // Check that errno is not overwritten.
+    EXPECT_EQ(12345, errno);
+    EXPECT_STREQ(expected, result);
+}
+
+TEST(sysdeps_win32, adb_strerror) {
+    // Test an error code that should not have a mapped string. Use an error
+    // code that is not used by the internal implementation of adb_strerror().
+    TestAdbStrError(-2, "Unknown error");
+    // adb_strerror() uses -1 internally, so test that it can still be passed
+    // as a parameter.
+    TestAdbStrError(-1, "Unknown error");
+    // Test very big, positive unknown error.
+    TestAdbStrError(1000000, "Unknown error");
+
+    // Test success case.
+    // Wine returns "Success" for strerror(0), Windows returns "No error", so accept both.
+    std::string success = adb_strerror(0);
+    EXPECT_TRUE(success == "Success" || success == "No error") << "strerror(0) = " << success;
+
+    // Test error that regular strerror() should have a string for.
+    TestAdbStrError(EPERM, "Operation not permitted");
+    // Test error that regular strerror() doesn't have a string for, but that
+    // adb_strerror() returns.
+    TestAdbStrError(ECONNRESET, "Connection reset by peer");
+}
diff --git a/adb/sysdeps_win32.cpp b/adb/sysdeps_win32.cpp
index 4dd549d..a4b5e69 100644
--- a/adb/sysdeps_win32.cpp
+++ b/adb/sysdeps_win32.cpp
@@ -477,81 +477,6 @@
     return 0;
 }
 
-// Overrides strerror() to handle error codes not supported by the Windows C
-// Runtime (MSVCRT.DLL).
-char* adb_strerror(int err) {
-    // sysdeps.h defines strerror to adb_strerror, but in this function, we
-    // want to call the real C Runtime strerror().
-#pragma push_macro("strerror")
-#undef strerror
-    const int saved_err = errno;      // Save because we overwrite it later.
-
-    // Lookup the string for an unknown error.
-    char* errmsg = strerror(-1);
-    const std::string unknown_error = (errmsg == nullptr) ? "" : errmsg;
-
-    // Lookup the string for this error to see if the C Runtime has it.
-    errmsg = strerror(err);
-    if (errmsg != nullptr && unknown_error != errmsg) {
-        // The CRT returned an error message and it is different than the error
-        // message for an unknown error, so it is probably valid, so use it.
-    } else {
-        // Check if we have a string for this error code.
-        const char* custom_msg = nullptr;
-        switch (err) {
-#pragma push_macro("ERR")
-#undef ERR
-#define ERR(errnum, desc) case errnum: custom_msg = desc; break
-            // These error strings are from AOSP bionic/libc/include/sys/_errdefs.h.
-            // Note that these cannot be longer than 94 characters because we
-            // pass this to _strerror() which has that requirement.
-            ERR(ECONNRESET,    "Connection reset by peer");
-            ERR(EHOSTUNREACH,  "No route to host");
-            ERR(ENETDOWN,      "Network is down");
-            ERR(ENETRESET,     "Network dropped connection because of reset");
-            ERR(ENOBUFS,       "No buffer space available");
-            ERR(ENOPROTOOPT,   "Protocol not available");
-            ERR(ENOTCONN,      "Transport endpoint is not connected");
-            ERR(ENOTSOCK,      "Socket operation on non-socket");
-            ERR(EOPNOTSUPP,    "Operation not supported on transport endpoint");
-#pragma pop_macro("ERR")
-        }
-
-        if (custom_msg != nullptr) {
-            // Use _strerror() to write our string into the writable per-thread
-            // buffer used by strerror()/_strerror(). _strerror() appends the
-            // msg for the current value of errno, so set errno to a consistent
-            // value for every call so that our code-path is always the same.
-            errno = 0;
-            errmsg = _strerror(custom_msg);
-            const size_t custom_msg_len = strlen(custom_msg);
-            // Just in case _strerror() returned a read-only string, check if
-            // the returned string starts with our custom message because that
-            // implies that the string is not read-only.
-            if ((errmsg != nullptr) &&
-                !strncmp(custom_msg, errmsg, custom_msg_len)) {
-                // _strerror() puts other text after our custom message, so
-                // remove that by terminating after our message.
-                errmsg[custom_msg_len] = '\0';
-            } else {
-                // For some reason nullptr was returned or a pointer to a
-                // read-only string was returned, so fallback to whatever
-                // strerror() can muster (probably "Unknown error" or some
-                // generic CRT error string).
-                errmsg = strerror(err);
-            }
-        } else {
-            // We don't have a custom message, so use whatever strerror(err)
-            // returned earlier.
-        }
-    }
-
-    errno = saved_err;  // restore
-
-    return errmsg;
-#pragma pop_macro("strerror")
-}
-
 /**************************************************************************/
 /**************************************************************************/
 /*****                                                                *****/
@@ -565,7 +490,7 @@
 static void _socket_set_errno( const DWORD err ) {
     // Because the Windows C Runtime (MSVCRT.DLL) strerror() does not support a
     // lot of POSIX and socket error codes, some of the resulting error codes
-    // are mapped to strings by adb_strerror() above.
+    // are mapped to strings by adb_strerror().
     switch ( err ) {
     case 0:              errno = 0; break;
     // Don't map WSAEINTR since that is only for Winsock 1.1 which we don't use.
diff --git a/adb/sysdeps_win32_test.cpp b/adb/sysdeps_win32_test.cpp
index c3a3fd7..529b212 100755
--- a/adb/sysdeps_win32_test.cpp
+++ b/adb/sysdeps_win32_test.cpp
@@ -70,36 +70,6 @@
     }
 }
 
-void TestAdbStrError(int err, const char* expected) {
-    errno = 12345;
-    const char* result = adb_strerror(err);
-    // Check that errno is not overwritten.
-    EXPECT_EQ(12345, errno);
-    EXPECT_STREQ(expected, result);
-}
-
-TEST(sysdeps_win32, adb_strerror) {
-    // Test an error code that should not have a mapped string. Use an error
-    // code that is not used by the internal implementation of adb_strerror().
-    TestAdbStrError(-2, "Unknown error");
-    // adb_strerror() uses -1 internally, so test that it can still be passed
-    // as a parameter.
-    TestAdbStrError(-1, "Unknown error");
-    // Test very big, positive unknown error.
-    TestAdbStrError(1000000, "Unknown error");
-
-    // Test success case.
-    // Wine returns "Success" for strerror(0), Windows returns "No error", so accept both.
-    std::string success = adb_strerror(0);
-    EXPECT_TRUE(success == "Success" || success == "No error") << "strerror(0) = " << success;
-
-    // Test error that regular strerror() should have a string for.
-    TestAdbStrError(EPERM, "Operation not permitted");
-    // Test error that regular strerror() doesn't have a string for, but that
-    // adb_strerror() returns.
-    TestAdbStrError(ECONNRESET, "Connection reset by peer");
-}
-
 TEST(sysdeps_win32, unix_isatty) {
     // stdin and stdout should be consoles. Use CONIN$ and CONOUT$ special files
     // so that we can test this even if stdin/stdout have been redirected. Read
diff --git a/adb/transport.cpp b/adb/transport.cpp
index 132702d..7b82b19 100644
--- a/adb/transport.cpp
+++ b/adb/transport.cpp
@@ -49,6 +49,7 @@
 
 const char* const kFeatureShell2 = "shell_v2";
 const char* const kFeatureCmd = "cmd";
+const char* const kFeatureStat2 = "stat_v2";
 
 static std::string dump_packet(const char* name, const char* func, apacket* p) {
     unsigned  command = p->msg.command;
@@ -771,7 +772,8 @@
     // Local static allocation to avoid global non-POD variables.
     static const FeatureSet* features = new FeatureSet{
         kFeatureShell2,
-        kFeatureCmd
+        kFeatureCmd,
+        kFeatureStat2,
         // Increment ADB_SERVER_VERSION whenever the feature list changes to
         // make sure that the adb client and server features stay in sync
         // (http://b/24370690).
diff --git a/adb/transport.h b/adb/transport.h
index b2df838..3306388 100644
--- a/adb/transport.h
+++ b/adb/transport.h
@@ -46,6 +46,7 @@
 extern const char* const kFeatureShell2;
 // The 'cmd' command is available
 extern const char* const kFeatureCmd;
+extern const char* const kFeatureStat2;
 
 class atransport {
 public:
diff --git a/debuggerd/debuggerd.cpp b/debuggerd/debuggerd.cpp
index 272fbf6..9b82f64 100644
--- a/debuggerd/debuggerd.cpp
+++ b/debuggerd/debuggerd.cpp
@@ -185,6 +185,16 @@
    return allowed;
 }
 
+static bool pid_contains_tid(pid_t pid, pid_t tid) {
+  char task_path[PATH_MAX];
+  if (snprintf(task_path, PATH_MAX, "/proc/%d/task/%d", pid, tid) >= PATH_MAX) {
+    ALOGE("debuggerd: task path overflow (pid = %d, tid = %d)\n", pid, tid);
+    exit(1);
+  }
+
+  return access(task_path, F_OK) == 0;
+}
+
 static int read_request(int fd, debugger_request_t* out_request) {
   ucred cr;
   socklen_t len = sizeof(cr);
@@ -227,16 +237,13 @@
 
   if (msg.action == DEBUGGER_ACTION_CRASH) {
     // Ensure that the tid reported by the crashing process is valid.
-    char buf[64];
-    struct stat s;
-    snprintf(buf, sizeof buf, "/proc/%d/task/%d", out_request->pid, out_request->tid);
-    if (stat(buf, &s)) {
-      ALOGE("tid %d does not exist in pid %d. ignoring debug request\n",
-          out_request->tid, out_request->pid);
+    // This check needs to happen again after ptracing the requested thread to prevent a race.
+    if (!pid_contains_tid(out_request->pid, out_request->tid)) {
+      ALOGE("tid %d does not exist in pid %d. ignoring debug request\n", out_request->tid,
+            out_request->pid);
       return -1;
     }
-  } else if (cr.uid == 0
-            || (cr.uid == AID_SYSTEM && msg.action == DEBUGGER_ACTION_DUMP_BACKTRACE)) {
+  } else if (cr.uid == 0 || (cr.uid == AID_SYSTEM && msg.action == DEBUGGER_ACTION_DUMP_BACKTRACE)) {
     // Only root or system can ask us to attach to any process and dump it explicitly.
     // However, system is only allowed to collect backtraces but cannot dump tombstones.
     status = get_process_info(out_request->tid, &out_request->pid,
@@ -413,10 +420,31 @@
 }
 #endif
 
-static void ptrace_siblings(pid_t pid, pid_t main_tid, pid_t ignore_tid, std::set<pid_t>& tids) {
-  char task_path[64];
+// Attach to a thread, and verify that it's still a member of the given process
+static bool ptrace_attach_thread(pid_t pid, pid_t tid) {
+  if (ptrace(PTRACE_ATTACH, tid, 0, 0) != 0) {
+    return false;
+  }
 
-  snprintf(task_path, sizeof(task_path), "/proc/%d/task", pid);
+  // Make sure that the task we attached to is actually part of the pid we're dumping.
+  if (!pid_contains_tid(pid, tid)) {
+    if (ptrace(PTRACE_DETACH, tid, 0, 0) != 0) {
+      ALOGE("debuggerd: failed to detach from thread '%d'", tid);
+      exit(1);
+    }
+    return false;
+  }
+
+  return true;
+}
+
+static void ptrace_siblings(pid_t pid, pid_t main_tid, pid_t ignore_tid, std::set<pid_t>& tids) {
+  char task_path[PATH_MAX];
+
+  if (snprintf(task_path, PATH_MAX, "/proc/%d/task", pid) >= PATH_MAX) {
+    ALOGE("debuggerd: task path overflow (pid = %d)\n", pid);
+    abort();
+  }
 
   std::unique_ptr<DIR, int (*)(DIR*)> d(opendir(task_path), closedir);
 
@@ -443,7 +471,7 @@
       continue;
     }
 
-    if (ptrace(PTRACE_ATTACH, tid, 0, 0) < 0) {
+    if (!ptrace_attach_thread(pid, tid)) {
       ALOGE("debuggerd: ptrace attach to %d failed: %s", tid, strerror(errno));
       continue;
     }
@@ -572,11 +600,33 @@
   // debugger_signal_handler().
 
   // Attach to the target process.
-  if (ptrace(PTRACE_ATTACH, request.tid, 0, 0) != 0) {
+  if (!ptrace_attach_thread(request.pid, request.tid)) {
     ALOGE("debuggerd: ptrace attach failed: %s", strerror(errno));
     exit(1);
   }
 
+  // DEBUGGER_ACTION_CRASH requests can come from arbitrary processes and the tid field in the
+  // request is sent from the other side. If an attacker can cause a process to be spawned with the
+  // pid of their process, they could trick debuggerd into dumping that process by exiting after
+  // sending the request. Validate the trusted request.uid/gid to defend against this.
+  if (request.action == DEBUGGER_ACTION_CRASH) {
+    pid_t pid;
+    uid_t uid;
+    gid_t gid;
+    if (get_process_info(request.tid, &pid, &uid, &gid) != 0) {
+      ALOGE("debuggerd: failed to get process info for tid '%d'", request.tid);
+      exit(1);
+    }
+
+    if (pid != request.pid || uid != request.uid || gid != request.gid) {
+      ALOGE(
+        "debuggerd: attached task %d does not match request: "
+        "expected pid=%d,uid=%d,gid=%d, actual pid=%d,uid=%d,gid=%d",
+        request.tid, request.pid, request.uid, request.gid, pid, uid, gid);
+      exit(1);
+    }
+  }
+
   // Don't attach to the sibling threads if we want to attach gdb.
   // Supposedly, it makes the process less reliable.
   bool attach_gdb = should_attach_gdb(request);
diff --git a/fs_mgr/fs_mgr.c b/fs_mgr/fs_mgr.c
index f682216..740720b 100644
--- a/fs_mgr/fs_mgr.c
+++ b/fs_mgr/fs_mgr.c
@@ -22,7 +22,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/ioctl.h>
 #include <sys/mount.h>
 #include <sys/stat.h>
 #include <sys/swap.h>
@@ -39,7 +38,6 @@
 #include <ext4_utils/ext4_sb.h>
 #include <ext4_utils/ext4_utils.h>
 #include <ext4_utils/wipe.h>
-#include <linux/fs.h>
 #include <linux/loop.h>
 #include <logwrap/logwrap.h>
 #include <private/android_filesystem_config.h>
@@ -52,9 +50,8 @@
 #define KEY_IN_FOOTER  "footer"
 
 #define E2FSCK_BIN      "/system/bin/e2fsck"
-#define F2FS_FSCK_BIN   "/system/bin/fsck.f2fs"
+#define F2FS_FSCK_BIN  "/system/bin/fsck.f2fs"
 #define MKSWAP_BIN      "/system/bin/mkswap"
-#define TUNE2FS_BIN     "/system/bin/tune2fs"
 
 #define FSCK_LOG_FILE   "/dev/fscklogs/log"
 
@@ -183,99 +180,6 @@
     return;
 }
 
-/* Function to read the primary superblock */
-static int read_super_block(int fd, struct ext4_super_block *sb)
-{
-    off64_t ret;
-
-    ret = lseek64(fd, 1024, SEEK_SET);
-    if (ret < 0)
-        return ret;
-
-    ret = read(fd, sb, sizeof(*sb));
-    if (ret < 0)
-        return ret;
-    if (ret != sizeof(*sb))
-        return ret;
-
-    return 0;
-}
-
-static ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)
-{
-    return ((ext4_fsblk_t)le32_to_cpu(es->s_blocks_count_hi) << 32) |
-            le32_to_cpu(es->s_blocks_count_lo);
-}
-
-static ext4_fsblk_t ext4_r_blocks_count(struct ext4_super_block *es)
-{
-    return ((ext4_fsblk_t)le32_to_cpu(es->s_r_blocks_count_hi) << 32) |
-            le32_to_cpu(es->s_r_blocks_count_lo);
-}
-
-static void do_reserved_size(char *blk_device, char *fs_type, struct fstab_rec *rec)
-{
-    /* Check for the types of filesystems we know how to check */
-    if (!strcmp(fs_type, "ext2") || !strcmp(fs_type, "ext3") || !strcmp(fs_type, "ext4")) {
-        /*
-         * Some system images do not have tune2fs for licensing reasons
-         * Detect these and skip reserve blocks.
-         */
-        if (access(TUNE2FS_BIN, X_OK)) {
-            ERROR("Not running %s on %s (executable not in system image)\n",
-                  TUNE2FS_BIN, blk_device);
-        } else {
-            INFO("Running %s on %s\n", TUNE2FS_BIN, blk_device);
-
-            int status = 0;
-            int ret = 0;
-            unsigned long reserved_blocks = 0;
-            int fd = TEMP_FAILURE_RETRY(open(blk_device, O_RDONLY | O_CLOEXEC));
-            if (fd >= 0) {
-                struct ext4_super_block sb;
-                ret = read_super_block(fd, &sb);
-                if (ret < 0) {
-                    ERROR("Can't read '%s' super block: %s\n", blk_device, strerror(errno));
-                    goto out;
-                }
-                reserved_blocks = rec->reserved_size / EXT4_BLOCK_SIZE(&sb);
-                unsigned long reserved_threshold = ext4_blocks_count(&sb) * 0.02;
-                if (reserved_threshold < reserved_blocks) {
-                    WARNING("Reserved blocks %lu is too large\n", reserved_blocks);
-                    reserved_blocks = reserved_threshold;
-                }
-
-                if (ext4_r_blocks_count(&sb) == reserved_blocks) {
-                    INFO("Have reserved same blocks\n");
-                    goto out;
-                }
-            } else {
-                ERROR("Failed to open '%s': %s\n", blk_device, strerror(errno));
-                return;
-            }
-
-            char buf[16] = {0};
-            snprintf(buf, sizeof (buf), "-r %lu", reserved_blocks);
-            char *tune2fs_argv[] = {
-                TUNE2FS_BIN,
-                buf,
-                blk_device,
-            };
-
-            ret = android_fork_execvp_ext(ARRAY_SIZE(tune2fs_argv), tune2fs_argv,
-                                          &status, true, LOG_KLOG | LOG_FILE,
-                                          true, NULL, NULL, 0);
-
-            if (ret < 0) {
-                /* No need to check for error in fork, we can't really handle it now */
-                ERROR("Failed trying to run %s\n", TUNE2FS_BIN);
-            }
-      out:
-            close(fd);
-        }
-    }
-}
-
 static void remove_trailing_slashes(char *n)
 {
     int len;
@@ -338,7 +242,7 @@
     return ret;
 }
 
-static int fs_match(const char *in1, const char *in2)
+static int fs_match(char *in1, char *in2)
 {
     char *n1;
     char *n2;
@@ -421,12 +325,6 @@
                 check_fs(fstab->recs[i].blk_device, fstab->recs[i].fs_type,
                          fstab->recs[i].mount_point);
             }
-
-            if (fstab->recs[i].fs_mgr_flags & MF_RESERVEDSIZE) {
-                do_reserved_size(fstab->recs[i].blk_device, fstab->recs[i].fs_type,
-                                 &fstab->recs[i]);
-            }
-
             if (!__mount(fstab->recs[i].blk_device, fstab->recs[i].mount_point, &fstab->recs[i])) {
                 *attempted_idx = i;
                 mounted = 1;
@@ -754,7 +652,7 @@
  * If multiple fstab entries are to be mounted on "n_name", it will try to mount each one
  * in turn, and stop on 1st success, or no more match.
  */
-int fs_mgr_do_mount(struct fstab *fstab, const char *n_name, char *n_blk_device,
+int fs_mgr_do_mount(struct fstab *fstab, char *n_name, char *n_blk_device,
                     char *tmp_mount_point)
 {
     int i = 0;
@@ -792,10 +690,6 @@
                      fstab->recs[i].mount_point);
         }
 
-        if (fstab->recs[i].fs_mgr_flags & MF_RESERVEDSIZE) {
-            do_reserved_size(n_blk_device, fstab->recs[i].fs_type, &fstab->recs[i]);
-        }
-
         if ((fstab->recs[i].fs_mgr_flags & MF_VERIFY) && device_is_secure()) {
             int rc = fs_mgr_setup_verity(&fstab->recs[i]);
             if (__android_log_is_debuggable() && rc == FS_MGR_SETUP_VERITY_DISABLED) {
diff --git a/fs_mgr/fs_mgr_fstab.c b/fs_mgr/fs_mgr_fstab.c
index 472b421..0bc8bef 100644
--- a/fs_mgr/fs_mgr_fstab.c
+++ b/fs_mgr/fs_mgr_fstab.c
@@ -33,12 +33,12 @@
     int swap_prio;
     int max_comp_streams;
     unsigned int zram_size;
-    uint64_t reserved_size;
+    unsigned int file_encryption_mode;
 };
 
 struct flag_list {
     const char *name;
-    unsigned flag;
+    unsigned int flag;
 };
 
 static struct flag_list mount_flags[] = {
@@ -65,7 +65,7 @@
     { "check",       MF_CHECK },
     { "encryptable=",MF_CRYPT },
     { "forceencrypt=",MF_FORCECRYPT },
-    { "fileencryption",MF_FILEENCRYPTION },
+    { "fileencryption=",MF_FILEENCRYPTION },
     { "forcefdeorfbe=",MF_FORCEFDEORFBE },
     { "nonremovable",MF_NONREMOVABLE },
     { "voldmanaged=",MF_VOLDMANAGED},
@@ -81,11 +81,19 @@
     { "slotselect",  MF_SLOTSELECT },
     { "nofail",      MF_NOFAIL },
     { "latemount",   MF_LATEMOUNT },
-    { "reservedsize=", MF_RESERVEDSIZE },
     { "defaults",    0 },
     { 0,             0 },
 };
 
+#define EM_SOFTWARE 1
+#define EM_ICE      2
+
+static struct flag_list encryption_modes[] = {
+    {"software", EM_SOFTWARE},
+    {"ice", EM_ICE},
+    {0, 0}
+};
+
 static uint64_t calculate_zram_size(unsigned int percentage)
 {
     uint64_t total;
@@ -99,20 +107,6 @@
     return total;
 }
 
-static uint64_t parse_size(const char *arg)
-{
-    char *endptr;
-    uint64_t size = strtoull(arg, &endptr, 10);
-    if (*endptr == 'k' || *endptr == 'K')
-        size *= 1024LL;
-    else if (*endptr == 'm' || *endptr == 'M')
-        size *= 1024LL * 1024LL;
-    else if (*endptr == 'g' || *endptr == 'G')
-        size *= 1024LL * 1024LL * 1024LL;
-
-    return size;
-}
-
 static int parse_flags(char *flags, struct flag_list *fl,
                        struct fs_mgr_flag_values *flag_vals,
                        char *fs_options, int fs_options_len)
@@ -166,6 +160,21 @@
                      * location of the keys.  Get it and return it.
                      */
                     flag_vals->key_loc = strdup(strchr(p, '=') + 1);
+                    flag_vals->file_encryption_mode = EM_SOFTWARE;
+                } else if ((fl[i].flag == MF_FILEENCRYPTION) && flag_vals) {
+                    /* The fileencryption flag is followed by an = and the
+                     * type of the encryption.  Get it and return it.
+                     */
+                    const struct flag_list *j;
+                    const char *mode = strchr(p, '=') + 1;
+                    for (j = encryption_modes; j->name; ++j) {
+                        if (!strcmp(mode, j->name)) {
+                            flag_vals->file_encryption_mode = j->flag;
+                        }
+                    }
+                    if (flag_vals->file_encryption_mode == 0) {
+                        ERROR("Unknown file encryption mode: %s\n", mode);
+                    }
                 } else if ((fl[i].flag == MF_LENGTH) && flag_vals) {
                     /* The length flag is followed by an = and the
                      * size of the partition.  Get it and return it.
@@ -207,11 +216,6 @@
                         flag_vals->zram_size = calculate_zram_size(val);
                     else
                         flag_vals->zram_size = val;
-                } else if ((fl[i].flag == MF_RESERVEDSIZE) && flag_vals) {
-                    /* The reserved flag is followed by an = and the
-                     * reserved size of the partition.  Get it and return it.
-                     */
-                    flag_vals->reserved_size = parse_size(strchr(p, '=') + 1);
                 }
                 break;
             }
@@ -356,7 +360,7 @@
         fstab->recs[cnt].swap_prio = flag_vals.swap_prio;
         fstab->recs[cnt].max_comp_streams = flag_vals.max_comp_streams;
         fstab->recs[cnt].zram_size = flag_vals.zram_size;
-        fstab->recs[cnt].reserved_size = flag_vals.reserved_size;
+        fstab->recs[cnt].file_encryption_mode = flag_vals.file_encryption_mode;
         cnt++;
     }
     /* If an A/B partition, modify block device to be the real block device */
@@ -515,6 +519,17 @@
     return fstab->fs_mgr_flags & MF_FILEENCRYPTION;
 }
 
+const char* fs_mgr_get_file_encryption_mode(const struct fstab_rec *fstab)
+{
+    const struct flag_list *j;
+    for (j = encryption_modes; j->name; ++j) {
+        if (fstab->file_encryption_mode == j->flag) {
+            return j->name;
+        }
+    }
+    return NULL;
+}
+
 int fs_mgr_is_convertible_to_fbe(const struct fstab_rec *fstab)
 {
     return fstab->fs_mgr_flags & MF_FORCEFDEORFBE;
diff --git a/fs_mgr/fs_mgr_main.c b/fs_mgr/fs_mgr_main.c
index 4bfe202..33a7496 100644
--- a/fs_mgr/fs_mgr_main.c
+++ b/fs_mgr/fs_mgr_main.c
@@ -14,17 +14,12 @@
  * limitations under the License.
  */
 
-#define _GNU_SOURCE
-
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#include <libgen.h>
 #include "fs_mgr_priv.h"
 
-#ifdef _LIBGEN_H
-#warning "libgen.h must not be included"
-#endif
-
 char *me = "";
 
 static void usage(void)
@@ -37,10 +32,10 @@
  * and exit the program, do not return to the caller.
  * Return the number of argv[] entries consumed.
  */
-static void parse_options(int argc, char * const argv[], int *a_flag, int *u_flag, int *n_flag,
-                     const char **n_name, const char **n_blk_dev)
+static void parse_options(int argc, char *argv[], int *a_flag, int *u_flag, int *n_flag,
+                     char **n_name, char **n_blk_dev)
 {
-    me = basename(argv[0]);
+    me = basename(strdup(argv[0]));
 
     if (argc <= 1) {
         usage();
@@ -80,14 +75,14 @@
     return;
 }
 
-int main(int argc, char * const argv[])
+int main(int argc, char *argv[])
 {
     int a_flag=0;
     int u_flag=0;
     int n_flag=0;
-    const char *n_name=NULL;
-    const char *n_blk_dev=NULL;
-    const char *fstab_file=NULL;
+    char *n_name=NULL;
+    char *n_blk_dev=NULL;
+    char *fstab_file=NULL;
     struct fstab *fstab=NULL;
 
     klog_set_level(6);
@@ -102,7 +97,7 @@
     if (a_flag) {
         return fs_mgr_mount_all(fstab, MOUNT_MODE_DEFAULT);
     } else if (n_flag) {
-        return fs_mgr_do_mount(fstab, n_name, (char *)n_blk_dev, 0);
+        return fs_mgr_do_mount(fstab, n_name, n_blk_dev, 0);
     } else if (u_flag) {
         return fs_mgr_unmount_all(fstab);
     } else {
diff --git a/fs_mgr/fs_mgr_priv.h b/fs_mgr/fs_mgr_priv.h
index 23c97e4..741f5e9 100644
--- a/fs_mgr/fs_mgr_priv.h
+++ b/fs_mgr/fs_mgr_priv.h
@@ -86,7 +86,6 @@
 #define MF_LATEMOUNT    0x20000
 #define MF_NOFAIL       0x40000
 #define MF_MAX_COMP_STREAMS 0x100000
-#define MF_RESERVEDSIZE 0x200000
 
 #define DM_BUF_SIZE 4096
 
diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index 67104cc..031b042 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -181,7 +181,7 @@
     return -1;
 }
 
-static void verity_ioctl_init(struct dm_ioctl *io, char *name, unsigned flags)
+static void verity_ioctl_init(struct dm_ioctl *io, const char *name, unsigned flags)
 {
     memset(io, 0, DM_BUF_SIZE);
     io->data_size = DM_BUF_SIZE;
@@ -784,8 +784,9 @@
 int fs_mgr_update_verity_state(fs_mgr_verity_state_callback callback)
 {
     alignas(dm_ioctl) char buffer[DM_BUF_SIZE];
+    bool system_root = false;
     char fstab_filename[PROPERTY_VALUE_MAX + sizeof(FSTAB_PREFIX)];
-    char *mount_point;
+    const char *mount_point;
     char propbuf[PROPERTY_VALUE_MAX];
     char *status;
     int fd = -1;
@@ -813,6 +814,9 @@
     property_get("ro.hardware", propbuf, "");
     snprintf(fstab_filename, sizeof(fstab_filename), FSTAB_PREFIX"%s", propbuf);
 
+    property_get("ro.build.system_root_image", propbuf, "");
+    system_root = !strcmp(propbuf, "true");
+
     fstab = fs_mgr_read_fstab(fstab_filename);
 
     if (!fstab) {
@@ -825,7 +829,12 @@
             continue;
         }
 
-        mount_point = basename(fstab->recs[i].mount_point);
+        if (system_root && !strcmp(fstab->recs[i].mount_point, "/")) {
+            mount_point = "system";
+        } else {
+            mount_point = basename(fstab->recs[i].mount_point);
+        }
+
         verity_ioctl_init(io, mount_point, 0);
 
         if (ioctl(fd, DM_TABLE_STATUS, io)) {
@@ -836,7 +845,9 @@
 
         status = &buffer[io->data_start + sizeof(struct dm_target_spec)];
 
-        callback(&fstab->recs[i], mount_point, mode, *status);
+        if (*status == 'C' || *status == 'V') {
+            callback(&fstab->recs[i], mount_point, mode, *status);
+        }
     }
 
     rc = 0;
diff --git a/fs_mgr/include/fs_mgr.h b/fs_mgr/include/fs_mgr.h
index 43aef20..9323069 100644
--- a/fs_mgr/include/fs_mgr.h
+++ b/fs_mgr/include/fs_mgr.h
@@ -75,7 +75,7 @@
     int swap_prio;
     int max_comp_streams;
     unsigned int zram_size;
-    uint64_t reserved_size;
+    unsigned int file_encryption_mode;
 };
 
 // Callback function for verity status
@@ -97,7 +97,8 @@
 
 #define FS_MGR_DOMNT_FAILED (-1)
 #define FS_MGR_DOMNT_BUSY (-2)
-int fs_mgr_do_mount(struct fstab *fstab, const char *n_name, char *n_blk_device,
+
+int fs_mgr_do_mount(struct fstab *fstab, char *n_name, char *n_blk_device,
                     char *tmp_mount_point);
 int fs_mgr_do_tmpfs_mount(char *n_name);
 int fs_mgr_unmount_all(struct fstab *fstab);
@@ -114,6 +115,7 @@
 int fs_mgr_is_verified(const struct fstab_rec *fstab);
 int fs_mgr_is_encryptable(const struct fstab_rec *fstab);
 int fs_mgr_is_file_encrypted(const struct fstab_rec *fstab);
+const char* fs_mgr_get_file_encryption_mode(const struct fstab_rec *fstab);
 int fs_mgr_is_convertible_to_fbe(const struct fstab_rec *fstab);
 int fs_mgr_is_noemulatedsd(const struct fstab_rec *fstab);
 int fs_mgr_is_notrim(struct fstab_rec *fstab);
diff --git a/healthd/Android.mk b/healthd/Android.mk
index deebed5..7c5e35b 100644
--- a/healthd/Android.mk
+++ b/healthd/Android.mk
@@ -21,6 +21,36 @@
 include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
+LOCAL_SRC_FILES := \
+    healthd_mode_android.cpp \
+    healthd_mode_charger.cpp \
+    AnimationParser.cpp \
+    BatteryPropertiesRegistrar.cpp \
+
+LOCAL_MODULE := libhealthd_internal
+LOCAL_C_INCLUDES := bootable/recovery
+LOCAL_EXPORT_C_INCLUDE_DIRS := \
+    $(LOCAL_PATH) \
+    $(LOCAL_PATH)/include \
+
+LOCAL_STATIC_LIBRARIES := \
+    libbatterymonitor \
+    libbatteryservice \
+    libbinder \
+    libminui \
+    libpng \
+    libz \
+    libutils \
+    libbase \
+    libcutils \
+    liblog \
+    libm \
+    libc \
+
+include $(BUILD_STATIC_LIBRARY)
+
+
+include $(CLEAR_VARS)
 
 ifeq ($(strip $(BOARD_CHARGER_NO_UI)),true)
 LOCAL_CHARGER_NO_UI := true
@@ -32,7 +62,7 @@
 LOCAL_SRC_FILES := \
 	healthd.cpp \
 	healthd_mode_android.cpp \
-	BatteryPropertiesRegistrar.cpp
+	BatteryPropertiesRegistrar.cpp \
 
 ifneq ($(strip $(LOCAL_CHARGER_NO_UI)),true)
 LOCAL_SRC_FILES += healthd_mode_charger.cpp
@@ -60,13 +90,28 @@
 
 LOCAL_C_INCLUDES := bootable/recovery $(LOCAL_PATH)/include
 
-LOCAL_STATIC_LIBRARIES := libbatterymonitor libbatteryservice libbinder libbase
+LOCAL_STATIC_LIBRARIES := \
+    libhealthd_internal \
+    libbatterymonitor \
+    libbatteryservice \
+    libbinder \
+    libbase \
 
 ifneq ($(strip $(LOCAL_CHARGER_NO_UI)),true)
-LOCAL_STATIC_LIBRARIES += libminui libpng libz
+LOCAL_STATIC_LIBRARIES += \
+   libminui \
+   libpng \
+   libz \
+
 endif
 
-LOCAL_STATIC_LIBRARIES += libutils libcutils liblog libm libc
+
+LOCAL_STATIC_LIBRARIES += \
+    libutils \
+    libcutils \
+    liblog \
+    libm \
+    libc \
 
 ifeq ($(strip $(BOARD_CHARGER_ENABLE_SUSPEND)),true)
 LOCAL_STATIC_LIBRARIES += libsuspend
@@ -84,7 +129,7 @@
 ifneq ($(strip $(LOCAL_CHARGER_NO_UI)),true)
 define _add-charger-image
 include $$(CLEAR_VARS)
-LOCAL_MODULE := system_core_charger_$(notdir $(1))
+LOCAL_MODULE := system_core_charger_res_images_$(notdir $(1))
 LOCAL_MODULE_STEM := $(notdir $(1))
 _img_modules += $$(LOCAL_MODULE)
 LOCAL_SRC_FILES := $1
diff --git a/healthd/AnimationParser.cpp b/healthd/AnimationParser.cpp
new file mode 100644
index 0000000..864038b
--- /dev/null
+++ b/healthd/AnimationParser.cpp
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AnimationParser.h"
+
+#include <android-base/stringprintf.h>
+#include <android-base/strings.h>
+
+#include <cutils/klog.h>
+
+#include "animation.h"
+
+#define LOGE(x...) do { KLOG_ERROR("charger", x); } while (0)
+#define LOGW(x...) do { KLOG_WARNING("charger", x); } while (0)
+#define LOGV(x...) do { KLOG_DEBUG("charger", x); } while (0)
+
+namespace android {
+
+// Lines consisting of only whitespace or whitespace followed by '#' can be ignored.
+bool can_ignore_line(const char* str) {
+    for (int i = 0; str[i] != '\0' && str[i] != '#'; i++) {
+        if (!isspace(str[i])) return false;
+    }
+    return true;
+}
+
+bool remove_prefix(const std::string& line, const char* prefix, const char** rest) {
+    const char* str = line.c_str();
+    int start;
+    char c;
+
+    std::string format = base::StringPrintf(" %s%%n%%c", prefix);
+    if (sscanf(str, format.c_str(), &start, &c) != 1) {
+        return false;
+    }
+
+    *rest = &str[start];
+    return true;
+}
+
+bool parse_text_field(const char* in, animation::text_field* field) {
+    int* x = &field->pos_x;
+    int* y = &field->pos_y;
+    int* r = &field->color_r;
+    int* g = &field->color_g;
+    int* b = &field->color_b;
+    int* a = &field->color_a;
+
+    int start = 0, end = 0;
+
+    if (sscanf(in, "c c %d %d %d %d %n%*s%n", r, g, b, a, &start, &end) == 4) {
+        *x = CENTER_VAL;
+        *y = CENTER_VAL;
+    } else if (sscanf(in, "c %d %d %d %d %d %n%*s%n", y, r, g, b, a, &start, &end) == 5) {
+        *x = CENTER_VAL;
+    } else if (sscanf(in, "%d c %d %d %d %d %n%*s%n", x, r, g, b, a, &start, &end) == 5) {
+        *y = CENTER_VAL;
+    } else if (sscanf(in, "%d %d %d %d %d %d %n%*s%n", x, y, r, g, b, a, &start, &end) != 6) {
+        return false;
+    }
+
+    if (end == 0) return false;
+
+    field->font_file.assign(&in[start], end - start);
+
+    return true;
+}
+
+bool parse_animation_desc(const std::string& content, animation* anim) {
+    static constexpr const char* animation_prefix = "animation: ";
+    static constexpr const char* fail_prefix = "fail: ";
+    static constexpr const char* clock_prefix = "clock_display: ";
+    static constexpr const char* percent_prefix = "percent_display: ";
+    static constexpr const char* frame_prefix = "frame: ";
+
+    std::vector<animation::frame> frames;
+
+    for (const auto& line : base::Split(content, "\n")) {
+        animation::frame frame;
+        const char* rest;
+
+        if (can_ignore_line(line.c_str())) {
+            continue;
+        } else if (remove_prefix(line, animation_prefix, &rest)) {
+            int start = 0, end = 0;
+            if (sscanf(rest, "%d %d %n%*s%n", &anim->num_cycles, &anim->first_frame_repeats,
+                    &start, &end) != 2 ||
+                end == 0) {
+                LOGE("Bad animation format: %s\n", line.c_str());
+                return false;
+            } else {
+                anim->animation_file.assign(&rest[start], end - start);
+            }
+        } else if (remove_prefix(line, fail_prefix, &rest)) {
+            anim->fail_file.assign(rest);
+        } else if (remove_prefix(line, clock_prefix, &rest)) {
+            if (!parse_text_field(rest, &anim->text_clock)) {
+                LOGE("Bad clock_display format: %s\n", line.c_str());
+                return false;
+            }
+        } else if (remove_prefix(line, percent_prefix, &rest)) {
+            if (!parse_text_field(rest, &anim->text_percent)) {
+                LOGE("Bad percent_display format: %s\n", line.c_str());
+                return false;
+            }
+        } else if (sscanf(line.c_str(), " frame: %d %d %d",
+                &frame.disp_time, &frame.min_level, &frame.max_level) == 3) {
+            frames.push_back(std::move(frame));
+        } else {
+            LOGE("Malformed animation description line: %s\n", line.c_str());
+            return false;
+        }
+    }
+
+    if (anim->animation_file.empty() || frames.empty()) {
+        LOGE("Bad animation description. Provide the 'animation: ' line and at least one 'frame: ' "
+             "line.\n");
+        return false;
+    }
+
+    anim->num_frames = frames.size();
+    anim->frames = new animation::frame[frames.size()];
+    std::copy(frames.begin(), frames.end(), anim->frames);
+
+    return true;
+}
+
+}  // namespace android
diff --git a/healthd/AnimationParser.h b/healthd/AnimationParser.h
new file mode 100644
index 0000000..bc00845
--- /dev/null
+++ b/healthd/AnimationParser.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HEALTHD_ANIMATION_PARSER_H
+#define HEALTHD_ANIMATION_PARSER_H
+
+#include "animation.h"
+
+namespace android {
+
+bool parse_animation_desc(const std::string& content, animation* anim);
+
+bool can_ignore_line(const char* str);
+bool remove_prefix(const std::string& str, const char* prefix, const char** rest);
+bool parse_text_field(const char* in, animation::text_field* field);
+}  // namespace android
+
+#endif // HEALTHD_ANIMATION_PARSER_H
diff --git a/healthd/animation.h b/healthd/animation.h
new file mode 100644
index 0000000..562b689
--- /dev/null
+++ b/healthd/animation.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HEALTHD_ANIMATION_H
+#define HEALTHD_ANIMATION_H
+
+#include <inttypes.h>
+#include <string>
+
+struct GRSurface;
+struct GRFont;
+
+namespace android {
+
+#define CENTER_VAL INT_MAX
+
+struct animation {
+    struct frame {
+        int disp_time;
+        int min_level;
+        int max_level;
+
+        GRSurface* surface;
+    };
+
+    struct text_field {
+        std::string font_file;
+        int pos_x;
+        int pos_y;
+        int color_r;
+        int color_g;
+        int color_b;
+        int color_a;
+
+        GRFont* font;
+    };
+
+    std::string animation_file;
+    std::string fail_file;
+
+    text_field text_clock;
+    text_field text_percent;
+
+    bool run;
+
+    frame* frames;
+    int cur_frame;
+    int num_frames;
+    int first_frame_repeats;  // Number of times to repeat the first frame in the current cycle
+
+    int cur_cycle;
+    int num_cycles;  // Number of cycles to complete before blanking the screen
+
+    int cur_level;  // current battery level being animated (0-100)
+    int cur_status;  // current battery status - see BatteryService.h for BATTERY_STATUS_*
+};
+
+}
+
+#endif // HEALTHD_ANIMATION_H
diff --git a/healthd/healthd_mode_charger.cpp b/healthd/healthd_mode_charger.cpp
index 857bcb2..36c4664 100644
--- a/healthd/healthd_mode_charger.cpp
+++ b/healthd/healthd_mode_charger.cpp
@@ -30,6 +30,9 @@
 #include <time.h>
 #include <unistd.h>
 
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
+
 #include <sys/socket.h>
 #include <linux/netlink.h>
 
@@ -44,10 +47,14 @@
 #include <suspend/autosuspend.h>
 #endif
 
+#include "animation.h"
+#include "AnimationParser.h"
 #include "minui/minui.h"
 
 #include <healthd/healthd.h>
 
+using namespace android;
+
 char *locale;
 
 #ifndef max
@@ -67,8 +74,6 @@
 #define POWER_ON_KEY_TIME       (2 * MSEC_PER_SEC)
 #define UNPLUGGED_SHUTDOWN_TIME (10 * MSEC_PER_SEC)
 
-#define BATTERY_FULL_THRESH     95
-
 #define LAST_KMSG_PATH          "/proc/last_kmsg"
 #define LAST_KMSG_PSTORE_PATH   "/sys/fs/pstore/console-ramoops"
 #define LAST_KMSG_MAX_SZ        (32 * 1024)
@@ -77,34 +82,14 @@
 #define LOGW(x...) do { KLOG_WARNING("charger", x); } while (0)
 #define LOGV(x...) do { KLOG_DEBUG("charger", x); } while (0)
 
+static constexpr const char* animation_desc_path = "/res/values/charger/animation.txt";
+
 struct key_state {
     bool pending;
     bool down;
     int64_t timestamp;
 };
 
-struct frame {
-    int disp_time;
-    int min_capacity;
-    bool level_only;
-
-    GRSurface* surface;
-};
-
-struct animation {
-    bool run;
-
-    struct frame *frames;
-    int cur_frame;
-    int num_frames;
-
-    int cur_cycle;
-    int num_cycles;
-
-    /* current capacity being animated */
-    int capacity;
-};
-
 struct charger {
     bool have_battery_state;
     bool charger_connected;
@@ -119,54 +104,83 @@
     int boot_min_cap;
 };
 
-static struct frame batt_anim_frames[] = {
+static const struct animation BASE_ANIMATION = {
+    .text_clock = {
+        .pos_x = 0,
+        .pos_y = 0,
+
+        .color_r = 255,
+        .color_g = 255,
+        .color_b = 255,
+        .color_a = 255,
+
+        .font = nullptr,
+    },
+    .text_percent = {
+        .pos_x = 0,
+        .pos_y = 0,
+
+        .color_r = 255,
+        .color_g = 255,
+        .color_b = 255,
+        .color_a = 255,
+    },
+
+    .run = false,
+
+    .frames = nullptr,
+    .cur_frame = 0,
+    .num_frames = 0,
+    .first_frame_repeats = 2,
+
+    .cur_cycle = 0,
+    .num_cycles = 3,
+
+    .cur_level = 0,
+    .cur_status = BATTERY_STATUS_UNKNOWN,
+};
+
+
+static struct animation::frame default_animation_frames[] = {
     {
         .disp_time = 750,
-        .min_capacity = 0,
-        .level_only = false,
+        .min_level = 0,
+        .max_level = 19,
         .surface = NULL,
     },
     {
         .disp_time = 750,
-        .min_capacity = 20,
-        .level_only = false,
+        .min_level = 0,
+        .max_level = 39,
         .surface = NULL,
     },
     {
         .disp_time = 750,
-        .min_capacity = 40,
-        .level_only = false,
+        .min_level = 0,
+        .max_level = 59,
         .surface = NULL,
     },
     {
         .disp_time = 750,
-        .min_capacity = 60,
-        .level_only = false,
+        .min_level = 0,
+        .max_level = 79,
         .surface = NULL,
     },
     {
         .disp_time = 750,
-        .min_capacity = 80,
-        .level_only = true,
+        .min_level = 80,
+        .max_level = 95,
         .surface = NULL,
     },
     {
         .disp_time = 750,
-        .min_capacity = BATTERY_FULL_THRESH,
-        .level_only = false,
+        .min_level = 0,
+        .max_level = 100,
         .surface = NULL,
     },
 };
 
-static struct animation battery_animation = {
-    .run = false,
-    .frames = batt_anim_frames,
-    .cur_frame = 0,
-    .num_frames = ARRAY_SIZE(batt_anim_frames),
-    .cur_cycle = 0,
-    .num_cycles = 3,
-    .capacity = 0,
-};
+static struct animation battery_animation = BASE_ANIMATION;
 
 static struct charger charger_state;
 static struct healthd_config *healthd_config;
@@ -273,8 +287,79 @@
     gr_color(0xa4, 0xc6, 0x39, 255);
 }
 
+// Negative x or y coordinates position the text away from the opposite edge that positive ones do.
+void determine_xy(const animation::text_field& field, const int length, int* x, int* y)
+{
+    *x = field.pos_x;
+    *y = field.pos_y;
+
+    int str_len_px = length * field.font->char_width;
+    if (field.pos_x == CENTER_VAL) {
+        *x = (gr_fb_width() - str_len_px) / 2;
+    } else if (field.pos_x >= 0) {
+        *x = field.pos_x;
+    } else {  // position from max edge
+        *x = gr_fb_width() + field.pos_x - str_len_px;
+    }
+
+    if (field.pos_y == CENTER_VAL) {
+        *y = (gr_fb_height() - field.font->char_height) / 2;
+    } else if (field.pos_y >= 0) {
+        *y = field.pos_y;
+    } else {  // position from max edge
+        *y = gr_fb_height() + field.pos_y - field.font->char_height;
+    }
+}
+
+static void draw_clock(const animation& anim)
+{
+    static constexpr char CLOCK_FORMAT[] = "%H:%M";
+    static constexpr int CLOCK_LENGTH = 6;
+
+    const animation::text_field& field = anim.text_clock;
+
+    if (field.font == nullptr || field.font->char_width == 0 || field.font->char_height == 0) return;
+
+    time_t rawtime;
+    time(&rawtime);
+    struct tm* time_info = localtime(&rawtime);
+
+    char clock_str[CLOCK_LENGTH];
+    size_t length = strftime(clock_str, CLOCK_LENGTH, CLOCK_FORMAT, time_info);
+    if (length != CLOCK_LENGTH - 1) {
+        LOGE("Could not format time\n");
+        return;
+    }
+
+    int x, y;
+    determine_xy(field, length, &x, &y);
+
+    LOGV("drawing clock %s %d %d\n", clock_str, x, y);
+    gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
+    gr_text(field.font, x, y, clock_str, false);
+}
+
+static void draw_percent(const animation& anim)
+{
+    if (anim.cur_level <= 0 || anim.cur_status != BATTERY_STATUS_CHARGING) return;
+
+    const animation::text_field& field = anim.text_percent;
+    if (field.font == nullptr || field.font->char_width == 0 || field.font->char_height == 0) {
+        return;
+    }
+
+    std::string str = base::StringPrintf("%d%%", anim.cur_level);
+
+    int x, y;
+    determine_xy(field, str.size(), &x, &y);
+
+    LOGV("drawing percent %s %d %d\n", str.c_str(), x, y);
+    gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
+    gr_text(field.font, x, y, str.c_str(), false);
+}
+
 /* returns the last y-offset of where the surface ends */
-static int draw_surface_centered(struct charger* /*charger*/, GRSurface* surface)
+static int draw_surface_centered(GRSurface* surface)
 {
     int w;
     int h;
@@ -295,7 +380,7 @@
 {
     int y;
     if (charger->surf_unknown) {
-        draw_surface_centered(charger, charger->surf_unknown);
+        draw_surface_centered(charger->surf_unknown);
     } else {
         android_green();
         y = draw_text("Charging!", -1, -1);
@@ -303,17 +388,19 @@
     }
 }
 
-static void draw_battery(struct charger *charger)
+static void draw_battery(const struct charger* charger)
 {
-    struct animation *batt_anim = charger->batt_anim;
-    struct frame *frame = &batt_anim->frames[batt_anim->cur_frame];
+    const struct animation& anim = *charger->batt_anim;
+    const struct animation::frame& frame = anim.frames[anim.cur_frame];
 
-    if (batt_anim->num_frames != 0) {
-        draw_surface_centered(charger, frame->surface);
+    if (anim.num_frames != 0) {
+        draw_surface_centered(frame.surface);
         LOGV("drawing frame #%d min_cap=%d time=%d\n",
-             batt_anim->cur_frame, frame->min_capacity,
-             frame->disp_time);
+             anim.cur_frame, frame.min_level,
+             frame.disp_time);
     }
+    draw_clock(anim);
+    draw_percent(anim);
 }
 
 static void redraw_screen(struct charger *charger)
@@ -323,7 +410,7 @@
     clear_screen();
 
     /* try to display *something* */
-    if (batt_anim->capacity < 0 || batt_anim->num_frames == 0)
+    if (batt_anim->cur_level < 0 || batt_anim->num_frames == 0)
         draw_unknown(charger);
     else
         draw_battery(charger);
@@ -342,16 +429,33 @@
     anim->run = false;
 }
 
+static void init_status_display(struct animation* anim)
+{
+    int res;
+
+    if (!anim->text_clock.font_file.empty()) {
+        if ((res =
+                gr_init_font(anim->text_clock.font_file.c_str(), &anim->text_clock.font)) < 0) {
+            LOGE("Could not load time font (%d)\n", res);
+        }
+    }
+
+    if (!anim->text_percent.font_file.empty()) {
+        if ((res =
+                gr_init_font(anim->text_percent.font_file.c_str(), &anim->text_percent.font)) < 0) {
+            LOGE("Could not load percent font (%d)\n", res);
+        }
+    }
+}
+
 static void update_screen_state(struct charger *charger, int64_t now)
 {
     struct animation *batt_anim = charger->batt_anim;
     int disp_time;
 
-    if (!batt_anim->run || now < charger->next_screen_transition)
-        return;
+    if (!batt_anim->run || now < charger->next_screen_transition) return;
 
     if (!minui_inited) {
-
         if (healthd_config && healthd_config->screen_on) {
             if (!healthd_config->screen_on(batt_prop)) {
                 LOGV("[%" PRId64 "] leave screen off\n", now);
@@ -365,6 +469,7 @@
 
         gr_init();
         gr_font_size(gr_sys_font(), &char_width, &char_height);
+        init_status_display(batt_anim);
 
 #ifndef CHARGER_DISABLE_INIT_BLANK
         gr_fb_blank(true);
@@ -373,7 +478,7 @@
     }
 
     /* animation is over, blank screen and leave */
-    if (batt_anim->cur_cycle == batt_anim->num_cycles) {
+    if (batt_anim->num_cycles > 0 && batt_anim->cur_cycle == batt_anim->num_cycles) {
         reset_animation(batt_anim);
         charger->next_screen_transition = -1;
         gr_fb_blank(true);
@@ -389,21 +494,24 @@
     if (batt_anim->cur_frame == 0) {
 
         LOGV("[%" PRId64 "] animation starting\n", now);
-        if (batt_prop && batt_prop->batteryLevel >= 0 && batt_anim->num_frames != 0) {
-            int i;
+        if (batt_prop) {
+            batt_anim->cur_level = batt_prop->batteryLevel;
+            batt_anim->cur_status = batt_prop->batteryStatus;
+            if (batt_prop->batteryLevel >= 0 && batt_anim->num_frames != 0) {
+                /* find first frame given current battery level */
+                for (int i = 0; i < batt_anim->num_frames; i++) {
+                    if (batt_anim->cur_level >= batt_anim->frames[i].min_level &&
+                        batt_anim->cur_level <= batt_anim->frames[i].max_level) {
+                        batt_anim->cur_frame = i;
+                        break;
+                    }
+                }
 
-            /* find first frame given current capacity */
-            for (i = 1; i < batt_anim->num_frames; i++) {
-                if (batt_prop->batteryLevel < batt_anim->frames[i].min_capacity)
-                    break;
+                // repeat the first frame first_frame_repeats times
+                disp_time = batt_anim->frames[batt_anim->cur_frame].disp_time *
+                    batt_anim->first_frame_repeats;
             }
-            batt_anim->cur_frame = i - 1;
-
-            /* show the first frame for twice as long */
-            disp_time = batt_anim->frames[batt_anim->cur_frame].disp_time * 2;
         }
-        if (batt_prop)
-            batt_anim->capacity = batt_prop->batteryLevel;
     }
 
     /* unblank the screen  on first cycle */
@@ -416,8 +524,8 @@
     /* if we don't have anim frames, we only have one image, so just bump
      * the cycle counter and exit
      */
-    if (batt_anim->num_frames == 0 || batt_anim->capacity < 0) {
-        LOGV("[%" PRId64 "] animation missing or unknown battery status\n", now);
+    if (batt_anim->num_frames == 0 || batt_anim->cur_level < 0) {
+        LOGW("[%" PRId64 "] animation missing or unknown battery status\n", now);
         charger->next_screen_transition = now + BATTERY_UNKNOWN_TIME;
         batt_anim->cur_cycle++;
         return;
@@ -432,12 +540,11 @@
     if (charger->charger_connected) {
         batt_anim->cur_frame++;
 
-        /* if the frame is used for level-only, that is only show it when it's
-         * the current level, skip it during the animation.
-         */
         while (batt_anim->cur_frame < batt_anim->num_frames &&
-               batt_anim->frames[batt_anim->cur_frame].level_only)
+               (batt_anim->cur_level < batt_anim->frames[batt_anim->cur_frame].min_level ||
+                batt_anim->cur_level > batt_anim->frames[batt_anim->cur_frame].max_level)) {
             batt_anim->cur_frame++;
+        }
         if (batt_anim->cur_frame >= batt_anim->num_frames) {
             batt_anim->cur_cycle++;
             batt_anim->cur_frame = 0;
@@ -521,7 +628,7 @@
                     LOGW("[%" PRId64 "] booting from charger mode\n", now);
                     property_set("sys.boot_from_charger_mode", "1");
                 } else {
-                    if (charger->batt_anim->capacity >= charger->boot_min_cap) {
+                    if (charger->batt_anim->cur_level >= charger->boot_min_cap) {
                         LOGW("[%" PRId64 "] rebooting\n", now);
                         android_reboot(ANDROID_RB_RESTART, 0, 0);
                     } else {
@@ -672,6 +779,52 @@
         ev_dispatch();
 }
 
+animation* init_animation()
+{
+    bool parse_success;
+
+    std::string content;
+    if (base::ReadFileToString(animation_desc_path, &content)) {
+        parse_success = parse_animation_desc(content, &battery_animation);
+    } else {
+        LOGW("Could not open animation description at %s\n", animation_desc_path);
+        parse_success = false;
+    }
+
+    if (!parse_success) {
+        LOGW("Could not parse animation description. Using default animation.\n");
+        battery_animation = BASE_ANIMATION;
+        battery_animation.animation_file.assign("charger/battery_scale");
+        battery_animation.frames = default_animation_frames;
+        battery_animation.num_frames = ARRAY_SIZE(default_animation_frames);
+    }
+    if (battery_animation.fail_file.empty()) {
+        battery_animation.fail_file.assign("charger/battery_fail");
+    }
+
+    LOGV("Animation Description:\n");
+    LOGV("  animation: %d %d '%s' (%d)\n",
+        battery_animation.num_cycles, battery_animation.first_frame_repeats,
+        battery_animation.animation_file.c_str(), battery_animation.num_frames);
+    LOGV("  fail_file: '%s'\n", battery_animation.fail_file.c_str());
+    LOGV("  clock: %d %d %d %d %d %d '%s'\n",
+        battery_animation.text_clock.pos_x, battery_animation.text_clock.pos_y,
+        battery_animation.text_clock.color_r, battery_animation.text_clock.color_g,
+        battery_animation.text_clock.color_b, battery_animation.text_clock.color_a,
+        battery_animation.text_clock.font_file.c_str());
+    LOGV("  percent: %d %d %d %d %d %d '%s'\n",
+        battery_animation.text_percent.pos_x, battery_animation.text_percent.pos_y,
+        battery_animation.text_percent.color_r, battery_animation.text_percent.color_g,
+        battery_animation.text_percent.color_b, battery_animation.text_percent.color_a,
+        battery_animation.text_percent.font_file.c_str());
+    for (int i = 0; i < battery_animation.num_frames; i++) {
+        LOGV("  frame %.2d: %d %d %d\n", i, battery_animation.frames[i].disp_time,
+            battery_animation.frames[i].min_level, battery_animation.frames[i].max_level);
+    }
+
+    return &battery_animation;
+}
+
 void healthd_mode_charger_init(struct healthd_config* config)
 {
     int ret;
@@ -689,35 +842,39 @@
         healthd_register_event(epollfd, charger_event_handler);
     }
 
-    ret = res_create_display_surface("charger/battery_fail", &charger->surf_unknown);
-    if (ret < 0) {
-        LOGE("Cannot load battery_fail image\n");
-        charger->surf_unknown = NULL;
-    }
+    struct animation* anim = init_animation();
+    charger->batt_anim = anim;
 
-    charger->batt_anim = &battery_animation;
+    ret = res_create_display_surface(anim->fail_file.c_str(), &charger->surf_unknown);
+    if (ret < 0) {
+        LOGE("Cannot load custom battery_fail image. Reverting to built in.\n");
+        ret = res_create_display_surface("charger/battery_fail", &charger->surf_unknown);
+        if (ret < 0) {
+            LOGE("Cannot load built in battery_fail image\n");
+            charger->surf_unknown = NULL;
+        }
+    }
 
     GRSurface** scale_frames;
     int scale_count;
     int scale_fps;  // Not in use (charger/battery_scale doesn't have FPS text
                     // chunk). We are using hard-coded frame.disp_time instead.
-    ret = res_create_multi_display_surface("charger/battery_scale", &scale_count, &scale_fps,
-                                           &scale_frames);
+    ret = res_create_multi_display_surface(anim->animation_file.c_str(),
+        &scale_count, &scale_fps, &scale_frames);
     if (ret < 0) {
         LOGE("Cannot load battery_scale image\n");
-        charger->batt_anim->num_frames = 0;
-        charger->batt_anim->num_cycles = 1;
-    } else if (scale_count != charger->batt_anim->num_frames) {
+        anim->num_frames = 0;
+        anim->num_cycles = 1;
+    } else if (scale_count != anim->num_frames) {
         LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n",
-             scale_count, charger->batt_anim->num_frames);
-        charger->batt_anim->num_frames = 0;
-        charger->batt_anim->num_cycles = 1;
+             scale_count, anim->num_frames);
+        anim->num_frames = 0;
+        anim->num_cycles = 1;
     } else {
-        for (i = 0; i < charger->batt_anim->num_frames; i++) {
-            charger->batt_anim->frames[i].surface = scale_frames[i];
+        for (i = 0; i < anim->num_frames; i++) {
+            anim->frames[i].surface = scale_frames[i];
         }
     }
-
     ev_sync_key_state(set_key_callback, charger);
 
     charger->next_screen_transition = -1;
diff --git a/healthd/tests/Android.mk b/healthd/tests/Android.mk
new file mode 100644
index 0000000..87e8862
--- /dev/null
+++ b/healthd/tests/Android.mk
@@ -0,0 +1,21 @@
+# Copyright 2016 The Android Open Source Project
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+    AnimationParser_test.cpp \
+
+LOCAL_MODULE := healthd_test
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_STATIC_LIBRARIES := \
+	libhealthd_internal \
+
+LOCAL_SHARED_LIBRARIES := \
+	liblog \
+	libbase \
+	libcutils \
+
+include $(BUILD_NATIVE_TEST)
diff --git a/healthd/tests/AnimationParser_test.cpp b/healthd/tests/AnimationParser_test.cpp
new file mode 100644
index 0000000..2fc3185
--- /dev/null
+++ b/healthd/tests/AnimationParser_test.cpp
@@ -0,0 +1,192 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AnimationParser.h"
+
+#include <gtest/gtest.h>
+
+using namespace android;
+
+TEST(AnimationParserTest, Test_can_ignore_line) {
+    EXPECT_TRUE(can_ignore_line(""));
+    EXPECT_TRUE(can_ignore_line("     "));
+    EXPECT_TRUE(can_ignore_line("#"));
+    EXPECT_TRUE(can_ignore_line("   # comment"));
+
+    EXPECT_FALSE(can_ignore_line("text"));
+    EXPECT_FALSE(can_ignore_line("text # comment"));
+    EXPECT_FALSE(can_ignore_line("     text"));
+    EXPECT_FALSE(can_ignore_line("     text # comment"));
+}
+
+TEST(AnimationParserTest, Test_remove_prefix) {
+    static const char TEST_STRING[] = "abcdef";
+    const char* rest = nullptr;
+    EXPECT_FALSE(remove_prefix(TEST_STRING, "def", &rest));
+    // Ignore strings that only consist of the prefix
+    EXPECT_FALSE(remove_prefix(TEST_STRING, TEST_STRING, &rest));
+
+    EXPECT_TRUE(remove_prefix(TEST_STRING, "abc", &rest));
+    EXPECT_STREQ("def", rest);
+
+    EXPECT_TRUE(remove_prefix("  abcdef", "abc", &rest));
+    EXPECT_STREQ("def", rest);
+}
+
+TEST(AnimationParserTest, Test_parse_text_field) {
+    static const char TEST_FILE_NAME[] = "font_file";
+    static const int TEST_X = 3;
+    static const int TEST_Y = 6;
+    static const int TEST_R = 1;
+    static const int TEST_G = 2;
+    static const int TEST_B = 4;
+    static const int TEST_A = 8;
+
+    static const char TEST_XCENT_YCENT[] = "c c 1 2 4 8  font_file ";
+    static const char TEST_XCENT_YVAL[]  = "c 6 1 2 4 8  font_file ";
+    static const char TEST_XVAL_YCENT[]  = "3 c 1 2 4 8  font_file ";
+    static const char TEST_XVAL_YVAL[]   = "3 6 1 2 4 8  font_file ";
+    static const char TEST_BAD_MISSING[] = "c c 1 2 4 font_file";
+    static const char TEST_BAD_NO_FILE[] = "c c 1 2 4 8";
+
+    animation::text_field out;
+
+    EXPECT_TRUE(parse_text_field(TEST_XCENT_YCENT, &out));
+    EXPECT_EQ(CENTER_VAL, out.pos_x);
+    EXPECT_EQ(CENTER_VAL, out.pos_y);
+    EXPECT_EQ(TEST_R, out.color_r);
+    EXPECT_EQ(TEST_G, out.color_g);
+    EXPECT_EQ(TEST_B, out.color_b);
+    EXPECT_EQ(TEST_A, out.color_a);
+    EXPECT_STREQ(TEST_FILE_NAME, out.font_file.c_str());
+
+    EXPECT_TRUE(parse_text_field(TEST_XCENT_YVAL, &out));
+    EXPECT_EQ(CENTER_VAL, out.pos_x);
+    EXPECT_EQ(TEST_Y, out.pos_y);
+    EXPECT_EQ(TEST_R, out.color_r);
+    EXPECT_EQ(TEST_G, out.color_g);
+    EXPECT_EQ(TEST_B, out.color_b);
+    EXPECT_EQ(TEST_A, out.color_a);
+    EXPECT_STREQ(TEST_FILE_NAME, out.font_file.c_str());
+
+    EXPECT_TRUE(parse_text_field(TEST_XVAL_YCENT, &out));
+    EXPECT_EQ(TEST_X, out.pos_x);
+    EXPECT_EQ(CENTER_VAL, out.pos_y);
+    EXPECT_EQ(TEST_R, out.color_r);
+    EXPECT_EQ(TEST_G, out.color_g);
+    EXPECT_EQ(TEST_B, out.color_b);
+    EXPECT_EQ(TEST_A, out.color_a);
+    EXPECT_STREQ(TEST_FILE_NAME, out.font_file.c_str());
+
+    EXPECT_TRUE(parse_text_field(TEST_XVAL_YVAL, &out));
+    EXPECT_EQ(TEST_X, out.pos_x);
+    EXPECT_EQ(TEST_Y, out.pos_y);
+    EXPECT_EQ(TEST_R, out.color_r);
+    EXPECT_EQ(TEST_G, out.color_g);
+    EXPECT_EQ(TEST_B, out.color_b);
+    EXPECT_EQ(TEST_A, out.color_a);
+    EXPECT_STREQ(TEST_FILE_NAME, out.font_file.c_str());
+
+    EXPECT_FALSE(parse_text_field(TEST_BAD_MISSING, &out));
+    EXPECT_FALSE(parse_text_field(TEST_BAD_NO_FILE, &out));
+}
+
+TEST(AnimationParserTest, Test_parse_animation_desc_basic) {
+    static const char TEST_ANIMATION[] = R"desc(
+        # Basic animation
+        animation: 5 1 test/animation_file
+        frame: 1000 0 100
+    )desc";
+    animation anim;
+
+    EXPECT_TRUE(parse_animation_desc(TEST_ANIMATION, &anim));
+}
+
+TEST(AnimationParserTest, Test_parse_animation_desc_bad_no_animation_line) {
+    static const char TEST_ANIMATION[] = R"desc(
+        # Bad animation
+        frame: 1000 90  10
+    )desc";
+    animation anim;
+
+    EXPECT_FALSE(parse_animation_desc(TEST_ANIMATION, &anim));
+}
+
+TEST(AnimationParserTest, Test_parse_animation_desc_bad_no_frame) {
+    static const char TEST_ANIMATION[] = R"desc(
+        # Bad animation
+        animation: 5 1 test/animation_file
+    )desc";
+    animation anim;
+
+    EXPECT_FALSE(parse_animation_desc(TEST_ANIMATION, &anim));
+}
+
+TEST(AnimationParserTest, Test_parse_animation_desc_bad_animation_line_format) {
+    static const char TEST_ANIMATION[] = R"desc(
+        # Bad animation
+        animation: 5 1
+        frame: 1000 90  10
+    )desc";
+    animation anim;
+
+    EXPECT_FALSE(parse_animation_desc(TEST_ANIMATION, &anim));
+}
+
+TEST(AnimationParserTest, Test_parse_animation_desc_full) {
+    static const char TEST_ANIMATION[] = R"desc(
+        # Full animation
+        animation: 5 1 test/animation_file
+        clock_display:    11 12 13 14 15 16 test/time_font
+        percent_display:  21 22 23 24 25 26 test/percent_font
+
+        frame: 10 20 30
+        frame: 40 50 60
+    )desc";
+    animation anim;
+
+    EXPECT_TRUE(parse_animation_desc(TEST_ANIMATION, &anim));
+
+    EXPECT_EQ(5, anim.num_cycles);
+    EXPECT_EQ(1, anim.first_frame_repeats);
+    EXPECT_STREQ("test/animation_file", anim.animation_file.c_str());
+
+    EXPECT_EQ(11, anim.text_clock.pos_x);
+    EXPECT_EQ(12, anim.text_clock.pos_y);
+    EXPECT_EQ(13, anim.text_clock.color_r);
+    EXPECT_EQ(14, anim.text_clock.color_g);
+    EXPECT_EQ(15, anim.text_clock.color_b);
+    EXPECT_EQ(16, anim.text_clock.color_a);
+    EXPECT_STREQ("test/time_font", anim.text_clock.font_file.c_str());
+
+    EXPECT_EQ(21, anim.text_percent.pos_x);
+    EXPECT_EQ(22, anim.text_percent.pos_y);
+    EXPECT_EQ(23, anim.text_percent.color_r);
+    EXPECT_EQ(24, anim.text_percent.color_g);
+    EXPECT_EQ(25, anim.text_percent.color_b);
+    EXPECT_EQ(26, anim.text_percent.color_a);
+    EXPECT_STREQ("test/percent_font", anim.text_percent.font_file.c_str());
+
+    EXPECT_EQ(2, anim.num_frames);
+
+    EXPECT_EQ(10, anim.frames[0].disp_time);
+    EXPECT_EQ(20, anim.frames[0].min_level);
+    EXPECT_EQ(30, anim.frames[0].max_level);
+
+    EXPECT_EQ(40, anim.frames[1].disp_time);
+    EXPECT_EQ(50, anim.frames[1].min_level);
+    EXPECT_EQ(60, anim.frames[1].max_level);
+}
diff --git a/include/cutils/trace.h b/include/cutils/trace.h
index dc3833f..0f00417 100644
--- a/include/cutils/trace.h
+++ b/include/cutils/trace.h
@@ -70,7 +70,8 @@
 #define ATRACE_TAG_PACKAGE_MANAGER  (1<<18)
 #define ATRACE_TAG_SYSTEM_SERVER    (1<<19)
 #define ATRACE_TAG_DATABASE         (1<<20)
-#define ATRACE_TAG_LAST             ATRACE_TAG_DATABASE
+#define ATRACE_TAG_NETWORK          (1<<21)
+#define ATRACE_TAG_LAST             ATRACE_TAG_NETWORK
 
 // Reserved for initialization.
 #define ATRACE_TAG_NOT_READY        (1ULL<<63)
diff --git a/include/private/android_filesystem_config.h b/include/private/android_filesystem_config.h
index c364317..c9e1923 100644
--- a/include/private/android_filesystem_config.h
+++ b/include/private/android_filesystem_config.h
@@ -96,6 +96,9 @@
 #define AID_DNS_TETHER    1052  /* DNS resolution daemon (tether: dnsmasq) */
 #define AID_WEBVIEW_ZYGOTE 1053 /* WebView zygote process */
 #define AID_VEHICLE_NETWORK 1054 /* Vehicle network service */
+#define AID_MEDIA_AUDIO   1055 /* GID for audio files on internal media storage */
+#define AID_MEDIA_VIDEO   1056 /* GID for video files on internal media storage */
+#define AID_MEDIA_IMAGE   1057 /* GID for image files on internal media storage */
 /* Changes to this file must be made in AOSP, *not* in internal branches. */
 
 #define AID_SHELL         2000  /* adb and debug shell user */
@@ -210,6 +213,9 @@
     { "dns_tether",    AID_DNS_TETHER, },
     { "webview_zygote", AID_WEBVIEW_ZYGOTE, },
     { "vehicle_network", AID_VEHICLE_NETWORK, },
+    { "media_audio",   AID_MEDIA_AUDIO, },
+    { "media_video",   AID_MEDIA_VIDEO, },
+    { "media_image",   AID_MEDIA_IMAGE, },
 
     { "shell",         AID_SHELL, },
     { "cache",         AID_CACHE, },
diff --git a/include/system/window.h b/include/system/window.h
index 49ab4dc..f439705 100644
--- a/include/system/window.h
+++ b/include/system/window.h
@@ -287,6 +287,16 @@
      * age will be 0.
      */
     NATIVE_WINDOW_BUFFER_AGE = 13,
+
+    /*
+     * Returns the duration of the last dequeueBuffer call in microseconds
+     */
+    NATIVE_WINDOW_LAST_DEQUEUE_DURATION = 14,
+
+    /*
+     * Returns the duration of the last queueBuffer call in microseconds
+     */
+    NATIVE_WINDOW_LAST_QUEUE_DURATION = 15,
 };
 
 /* Valid operations for the (*perform)() hook.
@@ -323,6 +333,7 @@
     NATIVE_WINDOW_SET_SURFACE_DAMAGE        = 20,   /* private */
     NATIVE_WINDOW_SET_SHARED_BUFFER_MODE    = 21,
     NATIVE_WINDOW_SET_AUTO_REFRESH          = 22,
+    NATIVE_WINDOW_GET_FRAME_TIMESTAMPS      = 23,
 };
 
 /* parameter for NATIVE_WINDOW_[API_][DIS]CONNECT */
@@ -985,6 +996,18 @@
     return window->perform(window, NATIVE_WINDOW_SET_AUTO_REFRESH, autoRefresh);
 }
 
+static inline int native_window_get_frame_timestamps(
+        struct ANativeWindow* window, uint32_t framesAgo,
+        int64_t* outPostedTime, int64_t* outAcquireTime,
+        int64_t* outRefreshStartTime, int64_t* outGlCompositionDoneTime,
+        int64_t* outDisplayRetireTime, int64_t* outReleaseTime)
+{
+    return window->perform(window, NATIVE_WINDOW_GET_FRAME_TIMESTAMPS,
+            framesAgo, outPostedTime, outAcquireTime, outRefreshStartTime,
+            outGlCompositionDoneTime, outDisplayRetireTime, outReleaseTime);
+}
+
+
 __END_DECLS
 
 #endif /* SYSTEM_CORE_INCLUDE_ANDROID_WINDOW_H */
diff --git a/include/sysutils/FrameworkListener.h b/include/sysutils/FrameworkListener.h
index 18049cd..2137069 100644
--- a/include/sysutils/FrameworkListener.h
+++ b/include/sysutils/FrameworkListener.h
@@ -32,6 +32,7 @@
     int mCommandCount;
     bool mWithSeq;
     FrameworkCommandCollection *mCommands;
+    bool mSkipToNextNullByte;
 
 public:
     FrameworkListener(const char *socketName);
diff --git a/include/utils/Mutex.h b/include/utils/Mutex.h
index 8c4683c..d106185 100644
--- a/include/utils/Mutex.h
+++ b/include/utils/Mutex.h
@@ -64,13 +64,18 @@
     status_t    tryLock();
 
 #if defined(__ANDROID__)
-    // lock the mutex, but don't wait longer than timeoutMilliseconds.
+    // Lock the mutex, but don't wait longer than timeoutNs (relative time).
     // Returns 0 on success, TIMED_OUT for failure due to timeout expiration.
     //
     // OSX doesn't have pthread_mutex_timedlock() or equivalent. To keep
     // capabilities consistent across host OSes, this method is only available
     // when building Android binaries.
-    status_t    timedLock(nsecs_t timeoutMilliseconds);
+    //
+    // FIXME?: pthread_mutex_timedlock is based on CLOCK_REALTIME,
+    // which is subject to NTP adjustments, and includes time during suspend,
+    // so a timeout may occur even though no processes could run.
+    // Not holding a partial wakelock may lead to a system suspend.
+    status_t    timedLock(nsecs_t timeoutNs);
 #endif
 
     // Manages the mutex automatically. It'll be locked when Autolock is
@@ -134,6 +139,7 @@
 }
 #if defined(__ANDROID__)
 inline status_t Mutex::timedLock(nsecs_t timeoutNs) {
+    timeoutNs += systemTime(SYSTEM_TIME_REALTIME);
     const struct timespec ts = {
         /* .tv_sec = */ static_cast<time_t>(timeoutNs / 1000000000),
         /* .tv_nsec = */ static_cast<long>(timeoutNs % 1000000000),
diff --git a/init/Android.mk b/init/Android.mk
index 442a5f3..ecdf5db 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -126,7 +126,6 @@
 LOCAL_SHARED_LIBRARIES += \
     libcutils \
     libbase \
-    libselinux \
 
 LOCAL_STATIC_LIBRARIES := libinit
 LOCAL_SANITIZE := integer
diff --git a/init/action.cpp b/init/action.cpp
index 0ea7e14..65bf292 100644
--- a/init/action.cpp
+++ b/init/action.cpp
@@ -121,7 +121,7 @@
     Timer t;
     int result = command.InvokeFunc();
 
-    double duration_ms = t.duration() * 1000;
+    double duration_ms = t.duration_s() * 1000;
     // Any action longer than 50ms will be warned to user as slow operation
     if (duration_ms > 50.0 ||
         android::base::GetMinimumLogSeverity() <= android::base::DEBUG) {
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 6d58754..42dd0c6 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -146,8 +146,7 @@
         LOG(ERROR) << "failed to set bootloader message: " << err;
         return -1;
     }
-    android_reboot(ANDROID_RB_RESTART2, 0, "recovery");
-    while (1) { pause(); }  // never reached
+    reboot("recovery");
 }
 
 static void unmount_and_fsck(const struct mntent *entry) {
@@ -346,6 +345,11 @@
     return 0;
 }
 
+/* umount <path> */
+static int do_umount(const std::vector<std::string>& args) {
+  return umount(args[1].c_str());
+}
+
 static struct {
     const char *name;
     unsigned flag;
@@ -727,7 +731,7 @@
         ServiceManager::GetInstance().ForEachService(
             [] (Service* s) { s->Terminate(); });
 
-        while (t.duration() < delay) {
+        while (t.duration_s() < delay) {
             ServiceManager::GetInstance().ReapAnyOutstandingChildren();
 
             int service_count = 0;
@@ -751,11 +755,10 @@
             // Wait a bit before recounting the number or running services.
             std::this_thread::sleep_for(50ms);
         }
-        LOG(VERBOSE) << "Terminating running services took " << t.duration() << " seconds";
+        LOG(VERBOSE) << "Terminating running services took " << t;
     }
 
-    return android_reboot_with_callback(cmd, 0, reboot_target,
-                                        callback_on_ro_remount);
+    return android_reboot_with_callback(cmd, 0, reboot_target, callback_on_ro_remount);
 }
 
 static int do_trigger(const std::vector<std::string>& args) {
@@ -1047,6 +1050,7 @@
         {"mkdir",                   {1,     4,    do_mkdir}},
         {"mount_all",               {1,     kMax, do_mount_all}},
         {"mount",                   {3,     kMax, do_mount}},
+        {"umount",                  {1,     1,    do_umount}},
         {"powerctl",                {1,     1,    do_powerctl}},
         {"restart",                 {1,     1,    do_restart}},
         {"restorecon",              {1,     kMax, do_restorecon}},
diff --git a/init/descriptors.cpp b/init/descriptors.cpp
index 429a76e..6e457cd 100644
--- a/init/descriptors.cpp
+++ b/init/descriptors.cpp
@@ -23,6 +23,7 @@
 #include <unistd.h>
 
 #include <android-base/stringprintf.h>
+#include <android-base/unique_fd.h>
 #include <cutils/android_get_control_file.h>
 #include <cutils/sockets.h>
 
@@ -89,14 +90,34 @@
 
 FileInfo::FileInfo(const std::string& name, const std::string& type, uid_t uid,
                    gid_t gid, int perm, const std::string& context)
+        // defaults OK for uid,..., they are ignored for this class.
         : DescriptorInfo(name, type, uid, gid, perm, context) {
 }
 
-int FileInfo::Create(const std::string& context) const {
-  int flags = ((type() == "r" ? O_RDONLY :
-                (type() == "w" ? (O_WRONLY | O_CREAT) :
-                 (O_RDWR | O_CREAT))));
-  return create_file(name().c_str(), flags, perm(), uid(), gid(), context.c_str());
+int FileInfo::Create(const std::string&) const {
+  int flags = (type() == "r") ? O_RDONLY :
+              (type() == "w") ? O_WRONLY :
+                                O_RDWR;
+
+  // Make sure we do not block on open (eg: devices can chose to block on
+  // carrier detect).  Our intention is never to delay launch of a service
+  // for such a condition.  The service can perform its own blocking on
+  // carrier detect.
+  android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(name().c_str(),
+                                                      flags | O_NONBLOCK)));
+
+  if (fd < 0) {
+    PLOG(ERROR) << "Failed to open file '" << name().c_str() << "'";
+    return -1;
+  }
+
+  // Fixup as we set O_NONBLOCK for open, the intent for fd is to block reads.
+  fcntl(fd, F_SETFL, flags);
+
+  LOG(INFO) << "Opened file '" << name().c_str() << "'"
+            << ", flags " << std::oct << flags << std::dec;
+
+  return fd.release();
 }
 
 const std::string FileInfo::key() const {
diff --git a/init/devices.cpp b/init/devices.cpp
index 2db24b7..6af237c 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -868,7 +868,7 @@
     if (pid == 0) {
         Timer t;
         process_firmware_event(uevent);
-        LOG(INFO) << "loading " << uevent->path << " took " << t.duration() << "s";
+        LOG(INFO) << "loading " << uevent->path << " took " << t;
         _exit(EXIT_SUCCESS);
     } else if (pid == -1) {
         PLOG(ERROR) << "could not fork to process firmware event for " << uevent->firmware;
@@ -1043,7 +1043,7 @@
     coldboot("/sys/block");
     coldboot("/sys/devices");
     close(open(COLDBOOT_DONE, O_WRONLY|O_CREAT|O_CLOEXEC, 0000));
-    LOG(INFO) << "Coldboot took " << t.duration() << "s.";
+    LOG(INFO) << "Coldboot took " << t;
 }
 
 int get_device_fd() {
diff --git a/init/init.cpp b/init/init.cpp
index ef6f37c..95cb62f 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -43,7 +43,6 @@
 #include <android-base/file.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
-#include <cutils/android_reboot.h>
 #include <cutils/fs.h>
 #include <cutils/iosched_policy.h>
 #include <cutils/list.h>
@@ -163,14 +162,21 @@
     Timer t;
 
     LOG(VERBOSE) << "Waiting for " COLDBOOT_DONE "...";
-    // Any longer than 1s is an unreasonable length of time to delay booting.
-    // If you're hitting this timeout, check that you didn't make your
-    // sepolicy regular expressions too expensive (http://b/19899875).
-    if (wait_for_file(COLDBOOT_DONE, 1s)) {
+
+    // Historically we had a 1s timeout here because we weren't otherwise
+    // tracking boot time, and many OEMs made their sepolicy regular
+    // expressions too expensive (http://b/19899875).
+
+    // Now we're tracking boot time, just log the time taken to a system
+    // property. We still panic if it takes more than a minute though,
+    // because any build that slow isn't likely to boot at all, and we'd
+    // rather any test lab devices fail back to the bootloader.
+    if (wait_for_file(COLDBOOT_DONE, 60s) < 0) {
         LOG(ERROR) << "Timed out waiting for " COLDBOOT_DONE;
+        panic();
     }
 
-    LOG(VERBOSE) << "Waiting for " COLDBOOT_DONE " took " << t.duration() << "s.";
+    property_set("ro.boottime.init.cold_boot_wait", std::to_string(t.duration_ns()).c_str());
     return 0;
 }
 
@@ -409,9 +415,8 @@
 }
 
 static void security_failure() {
-    LOG(ERROR) << "Security failure; rebooting into recovery mode...";
-    android_reboot(ANDROID_RB_RESTART2, 0, "recovery");
-    while (true) { pause(); }  // never reached
+    LOG(ERROR) << "Security failure...";
+    panic();
 }
 
 static void selinux_initialize(bool in_kernel_domain) {
@@ -443,8 +448,8 @@
             security_failure();
         }
 
-        LOG(INFO) << "(Initializing SELinux " << (is_enforcing ? "enforcing" : "non-enforcing")
-                  << " took " << t.duration() << "s.)";
+        // init's first stage can't set properties, so pass the time to the second stage.
+        setenv("INIT_SELINUX_TOOK", std::to_string(t.duration_ns()).c_str(), 1);
     } else {
         selinux_init_all_handles();
     }
@@ -650,7 +655,13 @@
         export_kernel_boot_props();
 
         // Make the time that init started available for bootstat to log.
-        property_set("init.start", getenv("INIT_STARTED_AT"));
+        property_set("ro.boottime.init", getenv("INIT_STARTED_AT"));
+        property_set("ro.boottime.init.selinux", getenv("INIT_SELINUX_TOOK"));
+
+        // Clean up our environment.
+        unsetenv("INIT_SECOND_STAGE");
+        unsetenv("INIT_STARTED_AT");
+        unsetenv("INIT_SELINUX_TOOK");
 
         // Now set up SELinux for second stage.
         selinux_initialize(false);
diff --git a/init/init_parser.cpp b/init/init_parser.cpp
index d017390..406b339 100644
--- a/init/init_parser.cpp
+++ b/init/init_parser.cpp
@@ -110,7 +110,7 @@
     // Nexus 9 boot time, so it's disabled by default.
     if (false) DumpState();
 
-    LOG(VERBOSE) << "(Parsing " << path << " took " << t.duration() << "s.)";
+    LOG(VERBOSE) << "(Parsing " << path << " took " << t << ".)";
     return true;
 }
 
diff --git a/init/keychords.cpp b/init/keychords.cpp
index 1cfdd80..3dbb2f0 100644
--- a/init/keychords.cpp
+++ b/init/keychords.cpp
@@ -78,11 +78,13 @@
     if (adb_enabled == "running") {
         Service* svc = ServiceManager::GetInstance().FindServiceByKeychord(id);
         if (svc) {
-            LOG(INFO) << "Starting service " << svc->name() << " from keychord...";
+            LOG(INFO) << "Starting service " << svc->name() << " from keychord " << id;
             svc->Start();
         } else {
-            LOG(ERROR) << "service for keychord " << id << " not found";
+            LOG(ERROR) << "Service for keychord " << id << " not found";
         }
+    } else {
+        LOG(WARNING) << "Not starting service for keychord " << id << " because ADB is disabled";
     }
 }
 
diff --git a/init/property_service.cpp b/init/property_service.cpp
index e198297..498a5a1 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -169,11 +169,18 @@
     return true;
 }
 
-static int property_set_impl(const char* name, const char* value) {
+int property_set(const char* name, const char* value) {
     size_t valuelen = strlen(value);
 
-    if (!is_legal_property_name(name)) return -1;
-    if (valuelen >= PROP_VALUE_MAX) return -1;
+    if (!is_legal_property_name(name)) {
+        LOG(ERROR) << "property_set(\"" << name << "\", \"" << value << "\") failed: bad name";
+        return -1;
+    }
+    if (valuelen >= PROP_VALUE_MAX) {
+        LOG(ERROR) << "property_set(\"" << name << "\", \"" << value << "\") failed: "
+                   << "value too long";
+        return -1;
+    }
 
     if (strcmp("selinux.restorecon_recursive", name) == 0 && valuelen > 0) {
         if (restorecon(value, SELINUX_ANDROID_RESTORECON_RECURSE) != 0) {
@@ -182,49 +189,33 @@
     }
 
     prop_info* pi = (prop_info*) __system_property_find(name);
-
-    if(pi != 0) {
-        /* ro.* properties may NEVER be modified once set */
-        if(!strncmp(name, "ro.", 3)) return -1;
+    if (pi != nullptr) {
+        // ro.* properties are actually "write-once".
+        if (!strncmp(name, "ro.", 3)) {
+            LOG(ERROR) << "property_set(\"" << name << "\", \"" << value << "\") failed: "
+                       << "property already set";
+            return -1;
+        }
 
         __system_property_update(pi, value, valuelen);
     } else {
         int rc = __system_property_add(name, strlen(name), value, valuelen);
         if (rc < 0) {
+            LOG(ERROR) << "property_set(\"" << name << "\", \"" << value << "\") failed: "
+                       << "__system_property_add failed";
             return rc;
         }
     }
-    /* If name starts with "net." treat as a DNS property. */
-    if (strncmp("net.", name, strlen("net.")) == 0)  {
-        if (strcmp("net.change", name) == 0) {
-            return 0;
-        }
-       /*
-        * The 'net.change' property is a special property used track when any
-        * 'net.*' property name is updated. It is _ONLY_ updated here. Its value
-        * contains the last updated 'net.*' property.
-        */
-        property_set("net.change", name);
-    } else if (persistent_properties_loaded &&
-            strncmp("persist.", name, strlen("persist.")) == 0) {
-        /*
-         * Don't write properties to disk until after we have read all default properties
-         * to prevent them from being overwritten by default values.
-         */
+
+    // Don't write properties to disk until after we have read all default
+    // properties to prevent them from being overwritten by default values.
+    if (persistent_properties_loaded && strncmp("persist.", name, strlen("persist.")) == 0) {
         write_persistent_property(name, value);
     }
     property_changed(name, value);
     return 0;
 }
 
-int property_set(const char* name, const char* value) {
-    int rc = property_set_impl(name, value);
-    if (rc == -1) {
-        LOG(ERROR) << "property_set(\"" << name << "\", \"" << value << "\") failed";
-    }
-    return rc;
-}
-
 static void handle_property_set_fd()
 {
     prop_msg msg;
@@ -388,7 +379,7 @@
     }
     data.push_back('\n');
     load_properties(&data[0], filter);
-    LOG(VERBOSE) << "(Loading properties from " << filename << " took " << t.duration() << "s.)";
+    LOG(VERBOSE) << "(Loading properties from " << filename << " took " << t << ".)";
 }
 
 static void load_persistent_properties() {
diff --git a/init/readme.txt b/init/readme.txt
index 7e9d21b..6f40d6b 100644
--- a/init/readme.txt
+++ b/init/readme.txt
@@ -148,13 +148,10 @@
   seclabel or computed based on the service executable file security context.
   For native executables see libcutils android_get_control_socket().
 
-file <path> <type> <perm> [ <user> [ <group> [ <seclabel> ] ] ]
-  Open/Create a file path and pass its fd to the launched process.  <type> must
-  be "r", "w" or "rw".  User and group default to 0.  'seclabel' is the SELinux
-  security context for the file if it must be created.  It defaults to the
-  service security context, as specified by seclabel or computed based on the
-  service executable file security context.  For native executables see
-  libcutils android_get_control_file().
+file <path> <type>
+  Open a file path and pass its fd to the launched process.  <type> must be
+  "r", "w" or "rw".  For native executables see libcutils
+  android_get_control_file().
 
 user <username>
   Change to 'username' before exec'ing this service.
@@ -398,6 +395,9 @@
    Trigger an event.  Used to queue an action from another
    action.
 
+umount <path>
+   Unmount the filesystem mounted at that path.
+
 verity_load_state
    Internal implementation detail used to load dm-verity state.
 
@@ -440,16 +440,27 @@
 Init provides information about the services that it is responsible
 for via the below properties.
 
-init.start
-  Time after boot in ns (via the CLOCK_BOOTTIME clock) at which the first
-  stage of init started.
-
 init.svc.<name>
   State of a named service ("stopped", "stopping", "running", "restarting")
 
-init.svc.<name>.start
+
+Boot timing
+-----------
+Init records some boot timing information in system properties.
+
+ro.boottime.init
+  Time after boot in ns (via the CLOCK_BOOTTIME clock) at which the first
+  stage of init started.
+
+ro.boottime.init.selinux
+  How long it took the first stage to initialize SELinux.
+
+ro.boottime.init.cold_boot_wait
+  How long init waited for ueventd's coldboot phase to end.
+
+ro.boottime.<service-name>
   Time after boot in ns (via the CLOCK_BOOTTIME clock) that the service was
-  most recently started.
+  first started.
 
 
 Bootcharting
diff --git a/init/service.cpp b/init/service.cpp
index 1f53a1b..a7eaf66 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -36,7 +36,6 @@
 #include <android-base/parseint.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
-#include <cutils/android_reboot.h>
 #include <system/thread_defs.h>
 
 #include <processgroup/processgroup.h>
@@ -190,9 +189,9 @@
     property_set(prop_name.c_str(), new_state.c_str());
 
     if (new_state == "running") {
-        prop_name += ".start";
         uint64_t start_ns = time_started_.time_since_epoch().count();
-        property_set(prop_name.c_str(), StringPrintf("%" PRIu64, start_ns).c_str());
+        property_set(StringPrintf("ro.boottime.%s", name_.c_str()).c_str(),
+                     StringPrintf("%" PRIu64, start_ns).c_str());
     }
 }
 
@@ -283,10 +282,8 @@
     if ((flags_ & SVC_CRITICAL) && !(flags_ & SVC_RESTART)) {
         if (now < time_crashed_ + 4min) {
             if (++crash_count_ > 4) {
-                LOG(ERROR) << "critical process '" << name_ << "' exited 4 times in 4 minutes; "
-                           << "rebooting into recovery mode";
-                android_reboot(ANDROID_RB_RESTART2, 0, "recovery");
-                return false;
+                LOG(ERROR) << "critical process '" << name_ << "' exited 4 times in 4 minutes";
+                panic();
             }
         } else {
             time_crashed_ = now;
@@ -529,7 +526,7 @@
         {"seclabel",    {1,     1,    &Service::ParseSeclabel}},
         {"setenv",      {2,     2,    &Service::ParseSetenv}},
         {"socket",      {3,     6,    &Service::ParseSocket}},
-        {"file",        {2,     6,    &Service::ParseFile}},
+        {"file",        {2,     2,    &Service::ParseFile}},
         {"user",        {1,     1,    &Service::ParseUser}},
         {"writepid",    {1,     kMax, &Service::ParseWritepid}},
     };
diff --git a/init/signal_handler.cpp b/init/signal_handler.cpp
index 0dea3e0..1041b82 100644
--- a/init/signal_handler.cpp
+++ b/init/signal_handler.cpp
@@ -24,7 +24,6 @@
 #include <unistd.h>
 
 #include <android-base/stringprintf.h>
-#include <cutils/android_reboot.h>
 #include <cutils/list.h>
 #include <cutils/sockets.h>
 
diff --git a/init/util.cpp b/init/util.cpp
index 5205ea0..a79a419 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -41,6 +41,8 @@
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
 #include <android-base/unique_fd.h>
+
+#include <cutils/android_reboot.h>
 /* for ANDROID_SOCKET_* */
 #include <cutils/sockets.h>
 
@@ -158,69 +160,6 @@
     return -1;
 }
 
-/*
- * create_file - opens and creates a file as dictated in init.rc.
- * This file is inherited by the daemon. We communicate the file
- * descriptor's value via the environment variable ANDROID_FILE_<basename>
- */
-int create_file(const char *path, int flags, mode_t perm, uid_t uid,
-                  gid_t gid, const char *filecon)
-{
-    char *secontext = NULL;
-
-    if (filecon) {
-        if (setsockcreatecon(filecon) == -1) {
-            PLOG(ERROR) << "setsockcreatecon(\"" << filecon << "\") failed";
-            return -1;
-        }
-    } else if (sehandle) {
-        if (selabel_lookup(sehandle, &secontext, path, perm) != -1) {
-            if (setfscreatecon(secontext) == -1) {
-                freecon(secontext); // does not upset errno value
-                PLOG(ERROR) << "setfscreatecon(\"" << secontext << "\") failed";
-                return -1;
-            }
-        }
-    }
-
-    android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(path, flags | O_NDELAY, perm)));
-    int savederrno = errno;
-
-    if (filecon) {
-        setsockcreatecon(NULL);
-        lsetfilecon(path, filecon);
-    } else {
-        setfscreatecon(NULL);
-        freecon(secontext);
-    }
-
-    if (fd < 0) {
-        errno = savederrno;
-        PLOG(ERROR) << "Failed to open/create file '" << path << "'";
-        return -1;
-    }
-
-    if (!(flags & O_NDELAY)) fcntl(fd, F_SETFD, flags);
-
-    if (lchown(path, uid, gid)) {
-        PLOG(ERROR) << "Failed to lchown file '" << path << "'";
-        return -1;
-    }
-    if (perm != static_cast<mode_t>(-1)) {
-        if (fchmodat(AT_FDCWD, path, perm, AT_SYMLINK_NOFOLLOW)) {
-            PLOG(ERROR) << "Failed to fchmodat file '" << path << "'";
-            return -1;
-        }
-    }
-
-    LOG(INFO) << "Created file '" << path << "'"
-              << ", mode " << std::oct << perm << std::dec
-              << ", user " << uid
-              << ", group " << gid;
-
-    return fd.release();
-}
-
 bool read_file(const char* path, std::string* content) {
     content->clear();
 
@@ -472,3 +411,22 @@
 
     return true;
 }
+
+void reboot(const char* destination) {
+    android_reboot(ANDROID_RB_RESTART2, 0, destination);
+    // We're init, so android_reboot will actually have been a syscall so there's nothing
+    // to wait for. If android_reboot returns, just abort so that the kernel will reboot
+    // itself when init dies.
+    PLOG(FATAL) << "reboot failed";
+    abort();
+}
+
+void panic() {
+    LOG(ERROR) << "panic: rebooting to bootloader";
+    reboot("bootloader");
+}
+
+std::ostream& operator<<(std::ostream& os, const Timer& t) {
+    os << t.duration_s() << " seconds";
+    return os;
+}
diff --git a/init/util.h b/init/util.h
index d56da39..e63c469 100644
--- a/init/util.h
+++ b/init/util.h
@@ -21,8 +21,9 @@
 #include <sys/types.h>
 
 #include <chrono>
-#include <string>
 #include <functional>
+#include <ostream>
+#include <string>
 
 #define COLDBOOT_DONE "/dev/.coldboot_done"
 
@@ -30,8 +31,6 @@
 
 int create_socket(const char *name, int type, mode_t perm,
                   uid_t uid, gid_t gid, const char *socketcon);
-int create_file(const char *path, int mode, mode_t perm,
-                uid_t uid, gid_t gid, const char *filecon);
 
 bool read_file(const char* path, std::string* content);
 int write_file(const char* path, const char* content);
@@ -51,15 +50,21 @@
   Timer() : start_(boot_clock::now()) {
   }
 
-  double duration() {
+  double duration_s() const {
     typedef std::chrono::duration<double> double_duration;
     return std::chrono::duration_cast<double_duration>(boot_clock::now() - start_).count();
   }
 
+  int64_t duration_ns() const {
+    return (boot_clock::now() - start_).count();
+  }
+
  private:
   boot_clock::time_point start_;
 };
 
+std::ostream& operator<<(std::ostream& os, const Timer& t);
+
 unsigned int decode_uid(const char *s);
 
 int mkdir_recursive(const char *pathname, mode_t mode);
@@ -72,4 +77,8 @@
 std::string bytes_to_hex(const uint8_t *bytes, size_t bytes_len);
 bool is_dir(const char* pathname);
 bool expand_props(const std::string& src, std::string* dst);
+
+void reboot(const char* destination) __attribute__((__noreturn__));
+void panic() __attribute__((__noreturn__));
+
 #endif
diff --git a/init/util_test.cpp b/init/util_test.cpp
index e9f164d..24c75c4 100644
--- a/init/util_test.cpp
+++ b/init/util_test.cpp
@@ -16,19 +16,9 @@
 
 #include "util.h"
 
-#include <ctype.h>
 #include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
 
-#include <android-base/stringprintf.h>
-#include <android-base/test_utils.h>
-#include <cutils/android_get_control_file.h>
 #include <gtest/gtest.h>
-#include <selinux/android.h>
 
 TEST(util, read_file_ENOENT) {
   std::string s("hello");
@@ -52,54 +42,3 @@
   EXPECT_EQ(UINT_MAX, decode_uid("toot"));
   EXPECT_EQ(123U, decode_uid("123"));
 }
-
-struct selabel_handle *sehandle;
-
-TEST(util, create_file) {
-  if (!sehandle) sehandle = selinux_android_file_context_handle();
-
-  TemporaryFile tf;
-  close(tf.fd);
-  EXPECT_GE(unlink(tf.path), 0);
-
-  std::string key(ANDROID_FILE_ENV_PREFIX);
-  key += tf.path;
-
-  std::for_each(key.begin(), key.end(), [] (char& c) { c = isalnum(c) ? c : '_'; });
-
-  EXPECT_EQ(unsetenv(key.c_str()), 0);
-
-  uid_t uid = decode_uid("logd");
-  gid_t gid = decode_uid("system");
-  mode_t perms = S_IRWXU | S_IWGRP | S_IRGRP | S_IROTH;
-  static const char context[] = "u:object_r:misc_logd_file:s0";
-  EXPECT_GE(tf.fd = create_file(tf.path, O_RDWR | O_CREAT, perms, uid, gid, context), 0);
-  if (tf.fd < 0) return;
-  static const char hello[] = "hello world\n";
-  static const ssize_t len = strlen(hello);
-  EXPECT_EQ(write(tf.fd, hello, len), len);
-  char buffer[sizeof(hello) + 1];
-  memset(buffer, 0, sizeof(buffer));
-  EXPECT_GE(lseek(tf.fd, 0, SEEK_SET), 0);
-  EXPECT_EQ(read(tf.fd, buffer, sizeof(buffer)), len);
-  EXPECT_EQ(std::string(hello), buffer);
-  EXPECT_EQ(android_get_control_file(tf.path), -1);
-  EXPECT_EQ(setenv(key.c_str(), android::base::StringPrintf("%d", tf.fd).c_str(), true), 0);
-  EXPECT_EQ(android_get_control_file(tf.path), tf.fd);
-  close(tf.fd);
-  EXPECT_EQ(android_get_control_file(tf.path), -1);
-  EXPECT_EQ(unsetenv(key.c_str()), 0);
-  struct stat st;
-  EXPECT_EQ(stat(tf.path, &st), 0);
-  EXPECT_EQ(st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO), perms);
-  EXPECT_EQ(st.st_uid, uid);
-  EXPECT_EQ(st.st_gid, gid);
-  security_context_t con;
-  EXPECT_GE(getfilecon(tf.path, &con), 0);
-  EXPECT_NE(con, static_cast<security_context_t>(NULL));
-  if (con) {
-    EXPECT_EQ(context, std::string(con));
-  }
-  freecon(con);
-  EXPECT_EQ(unlink(tf.path), 0);
-}
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 60a389b..032e361 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -91,6 +91,7 @@
     { 00775, AID_MEDIA_RW, AID_MEDIA_RW, 0, "data/media/Music" },
     { 00750, AID_ROOT,   AID_SHELL,  0, "data/nativetest" },
     { 00750, AID_ROOT,   AID_SHELL,  0, "data/nativetest64" },
+    { 00775, AID_ROOT,   AID_ROOT,   0, "data/preloads" },
     { 00771, AID_SYSTEM, AID_SYSTEM, 0, "data" },
     { 00755, AID_ROOT,   AID_SYSTEM, 0, "mnt" },
     { 00755, AID_ROOT,   AID_ROOT,   0, "root" },
@@ -149,6 +150,9 @@
     { 00700, AID_SYSTEM,    AID_SHELL,     CAP_MASK_LONG(CAP_BLOCK_SUSPEND),
                                               "system/bin/inputflinger" },
 
+    /* Support FIFO scheduling mode in SurfaceFlinger. */
+    { 00755, AID_SYSTEM,    AID_GRAPHICS,     CAP_MASK_LONG(CAP_SYS_NICE), "system/bin/surfaceflinger" },
+
     /* Support hostapd administering a network interface. */
     { 00755, AID_WIFI,      AID_WIFI,      CAP_MASK_LONG(CAP_NET_ADMIN) |
                                            CAP_MASK_LONG(CAP_NET_RAW),
diff --git a/libcutils/sched_policy.c b/libcutils/sched_policy.c
index cab9263..5c5f3a5 100644
--- a/libcutils/sched_policy.c
+++ b/libcutils/sched_policy.c
@@ -64,9 +64,12 @@
 static int bg_cpuset_fd = -1;
 static int fg_cpuset_fd = -1;
 static int ta_cpuset_fd = -1; // special cpuset for top app
+#endif
+
+// File descriptors open to /dev/stune/../tasks, setup by initialize, or -1 on error
 static int bg_schedboost_fd = -1;
 static int fg_schedboost_fd = -1;
-#endif
+static int ta_schedboost_fd = -1;
 
 /* Add tid to the scheduling group defined by the policy */
 static int add_tid_to_cgroup(int tid, int fd)
@@ -136,9 +139,11 @@
         ta_cpuset_fd = open(filename, O_WRONLY | O_CLOEXEC);
 
 #ifdef USE_SCHEDBOOST
+        filename = "/dev/stune/top-app/tasks";
+        ta_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);
         filename = "/dev/stune/foreground/tasks";
         fg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);
-        filename = "/dev/stune/tasks";
+        filename = "/dev/stune/background/tasks";
         bg_schedboost_fd = open(filename, O_WRONLY | O_CLOEXEC);
 #endif
     }
@@ -300,11 +305,10 @@
         break;
     case SP_TOP_APP :
         fd = ta_cpuset_fd;
-        boost_fd = fg_schedboost_fd;
+        boost_fd = ta_schedboost_fd;
         break;
     case SP_SYSTEM:
         fd = system_bg_cpuset_fd;
-        boost_fd = bg_schedboost_fd;
         break;
     default:
         boost_fd = fd = -1;
@@ -316,10 +320,12 @@
             return -errno;
     }
 
+#ifdef USE_SCHEDBOOST
     if (boost_fd > 0 && add_tid_to_cgroup(tid, boost_fd) != 0) {
         if (errno != ESRCH && errno != ENOENT)
             return -errno;
     }
+#endif
 
     return 0;
 #endif
@@ -391,19 +397,26 @@
 #endif
 
     if (__sys_supports_schedgroups) {
-        int fd;
+        int fd = -1;
+        int boost_fd = -1;
         switch (policy) {
         case SP_BACKGROUND:
             fd = bg_cgroup_fd;
+            boost_fd = bg_schedboost_fd;
             break;
         case SP_FOREGROUND:
         case SP_AUDIO_APP:
         case SP_AUDIO_SYS:
+            fd = fg_cgroup_fd;
+            boost_fd = fg_schedboost_fd;
+            break;
         case SP_TOP_APP:
             fd = fg_cgroup_fd;
+            boost_fd = ta_schedboost_fd;
             break;
         default:
             fd = -1;
+            boost_fd = -1;
             break;
         }
 
@@ -412,6 +425,13 @@
             if (errno != ESRCH && errno != ENOENT)
                 return -errno;
         }
+
+#ifdef USE_SCHEDBOOST
+        if (boost_fd > 0 && add_tid_to_cgroup(tid, boost_fd) != 0) {
+            if (errno != ESRCH && errno != ENOENT)
+                return -errno;
+        }
+#endif
     } else {
         struct sched_param param;
 
diff --git a/liblog/Android.bp b/liblog/Android.bp
index c498153..e59a460 100644
--- a/liblog/Android.bp
+++ b/liblog/Android.bp
@@ -27,7 +27,7 @@
     "fake_writer.c",
 ]
 liblog_target_sources = [
-    "event_tag_map.c",
+    "event_tag_map.cpp",
     "config_read.c",
     "log_time.cpp",
     "log_is_loggable.c",
@@ -68,7 +68,7 @@
             enabled: true,
         },
         not_windows: {
-            srcs: ["event_tag_map.c"],
+            srcs: ["event_tag_map.cpp"],
         },
         linux: {
             host_ldlibs: ["-lrt"],
diff --git a/liblog/event_tag_map.c b/liblog/event_tag_map.cpp
similarity index 100%
rename from liblog/event_tag_map.c
rename to liblog/event_tag_map.cpp
diff --git a/libsparse/include/sparse/sparse.h b/libsparse/include/sparse/sparse.h
index 42d4adb..356f65f 100644
--- a/libsparse/include/sparse/sparse.h
+++ b/libsparse/include/sparse/sparse.h
@@ -176,6 +176,13 @@
 int64_t sparse_file_len(struct sparse_file *s, bool sparse, bool crc);
 
 /**
+ * sparse_file_block_size
+ *
+ * @s - sparse file cookie
+ */
+unsigned int sparse_file_block_size(struct sparse_file *s);
+
+/**
  * sparse_file_callback - call a callback for blocks in sparse file
  *
  * @s - sparse file cookie
@@ -197,6 +204,24 @@
 		int (*write)(void *priv, const void *data, int len), void *priv);
 
 /**
+ * sparse_file_foreach_chunk - call a callback for data blocks in sparse file
+ *
+ * @s - sparse file cookie
+ * @sparse - write in the Android sparse file format
+ * @crc - append a crc chunk
+ * @write - function to call for each block
+ * @priv - value that will be passed as the first argument to write
+ *
+ * The function has the same behavior as 'sparse_file_callback', except it only
+ * iterates on blocks that contain data.
+ *
+ * Returns 0 on success, negative errno on error.
+ */
+int sparse_file_foreach_chunk(struct sparse_file *s, bool sparse, bool crc,
+	int (*write)(void *priv, const void *data, int len, unsigned int block,
+		     unsigned int nr_blocks),
+	void *priv);
+/**
  * sparse_file_read - read a file into a sparse file cookie
  *
  * @s - sparse file cookie
diff --git a/libsparse/sparse.c b/libsparse/sparse.c
index 311678a..b175860 100644
--- a/libsparse/sparse.c
+++ b/libsparse/sparse.c
@@ -199,6 +199,57 @@
 	return ret;
 }
 
+struct chunk_data {
+	void		*priv;
+	unsigned int	block;
+	unsigned int	nr_blocks;
+	int (*write)(void *priv, const void *data, int len, unsigned int block,
+		     unsigned int nr_blocks);
+};
+
+static int foreach_chunk_write(void *priv, const void *data, int len)
+{
+	struct chunk_data *chk = priv;
+
+	return chk->write(chk->priv, data, len, chk->block, chk->nr_blocks);
+}
+
+int sparse_file_foreach_chunk(struct sparse_file *s, bool sparse, bool crc,
+	int (*write)(void *priv, const void *data, int len, unsigned int block,
+		     unsigned int nr_blocks),
+	void *priv)
+{
+	int ret;
+	int chunks;
+	struct chunk_data chk;
+	struct output_file *out;
+	struct backed_block *bb;
+
+	chk.priv = priv;
+	chk.write = write;
+	chk.block = chk.nr_blocks = 0;
+	chunks = sparse_count_chunks(s);
+	out = output_file_open_callback(foreach_chunk_write, &chk,
+					s->block_size, s->len, false, sparse,
+					chunks, crc);
+
+	if (!out)
+		return -ENOMEM;
+
+	for (bb = backed_block_iter_new(s->backed_block_list); bb;
+			bb = backed_block_iter_next(bb)) {
+		chk.block = backed_block_block(bb);
+		chk.nr_blocks = (backed_block_len(bb) - 1) / s->block_size + 1;
+		ret = sparse_file_write_block(out, bb);
+		if (ret)
+			return ret;
+	}
+
+	output_file_close(out);
+
+	return ret;
+}
+
 static int out_counter_write(void *priv, const void *data __unused, int len)
 {
 	int64_t *count = priv;
@@ -230,6 +281,11 @@
 	return count;
 }
 
+unsigned int sparse_file_block_size(struct sparse_file *s)
+{
+	return s->block_size;
+}
+
 static struct backed_block *move_chunks_up_to_len(struct sparse_file *from,
 		struct sparse_file *to, unsigned int len)
 {
diff --git a/libsuspend/autosuspend_wakeup_count.c b/libsuspend/autosuspend_wakeup_count.c
index d3fb45f..3457d5b 100644
--- a/libsuspend/autosuspend_wakeup_count.c
+++ b/libsuspend/autosuspend_wakeup_count.c
@@ -24,6 +24,7 @@
 #include <stddef.h>
 #include <stdbool.h>
 #include <string.h>
+#include <sys/param.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
@@ -35,12 +36,24 @@
 #define SYS_POWER_STATE "/sys/power/state"
 #define SYS_POWER_WAKEUP_COUNT "/sys/power/wakeup_count"
 
+#define BASE_SLEEP_TIME 100000
+
 static int state_fd;
 static int wakeup_count_fd;
 static pthread_t suspend_thread;
 static sem_t suspend_lockout;
 static const char *sleep_state = "mem";
 static void (*wakeup_func)(bool success) = NULL;
+static int sleep_time = BASE_SLEEP_TIME;
+
+static void update_sleep_time(bool success) {
+    if (success) {
+        sleep_time = BASE_SLEEP_TIME;
+        return;
+    }
+    // double sleep time after each failure up to one minute
+    sleep_time = MIN(sleep_time * 2, 60000000);
+}
 
 static void *suspend_thread_func(void *arg __attribute__((unused)))
 {
@@ -48,10 +61,12 @@
     char wakeup_count[20];
     int wakeup_count_len;
     int ret;
-    bool success;
+    bool success = true;
 
     while (1) {
-        usleep(100000);
+        update_sleep_time(success);
+        usleep(sleep_time);
+        success = false;
         ALOGV("%s: read wakeup_count\n", __func__);
         lseek(wakeup_count_fd, 0, SEEK_SET);
         wakeup_count_len = TEMP_FAILURE_RETRY(read(wakeup_count_fd, wakeup_count,
@@ -75,7 +90,6 @@
             continue;
         }
 
-        success = true;
         ALOGV("%s: write %*s to wakeup_count\n", __func__, wakeup_count_len, wakeup_count);
         ret = TEMP_FAILURE_RETRY(write(wakeup_count_fd, wakeup_count, wakeup_count_len));
         if (ret < 0) {
@@ -84,8 +98,8 @@
         } else {
             ALOGV("%s: write %s to %s\n", __func__, sleep_state, SYS_POWER_STATE);
             ret = TEMP_FAILURE_RETRY(write(state_fd, sleep_state, strlen(sleep_state)));
-            if (ret < 0) {
-                success = false;
+            if (ret >= 0) {
+                success = true;
             }
             void (*func)(bool success) = wakeup_func;
             if (func != NULL) {
diff --git a/libsysutils/src/FrameworkListener.cpp b/libsysutils/src/FrameworkListener.cpp
index 52f28af..1b6076f 100644
--- a/libsysutils/src/FrameworkListener.cpp
+++ b/libsysutils/src/FrameworkListener.cpp
@@ -50,6 +50,7 @@
     errorRate = 0;
     mCommandCount = 0;
     mWithSeq = withSeq;
+    mSkipToNextNullByte = false;
 }
 
 bool FrameworkListener::onDataAvailable(SocketClient *c) {
@@ -60,10 +61,15 @@
     if (len < 0) {
         SLOGE("read() failed (%s)", strerror(errno));
         return false;
-    } else if (!len)
+    } else if (!len) {
         return false;
-   if(buffer[len-1] != '\0')
+    } else if (buffer[len-1] != '\0') {
         SLOGW("String is not zero-terminated");
+        android_errorWriteLog(0x534e4554, "29831647");
+        c->sendMsg(500, "Command too large for buffer", false);
+        mSkipToNextNullByte = true;
+        return false;
+    }
 
     int offset = 0;
     int i;
@@ -71,11 +77,16 @@
     for (i = 0; i < len; i++) {
         if (buffer[i] == '\0') {
             /* IMPORTANT: dispatchCommand() expects a zero-terminated string */
-            dispatchCommand(c, buffer + offset);
+            if (mSkipToNextNullByte) {
+                mSkipToNextNullByte = false;
+            } else {
+                dispatchCommand(c, buffer + offset);
+            }
             offset = i + 1;
         }
     }
 
+    mSkipToNextNullByte = false;
     return true;
 }
 
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index e6e0276..0ac6f2c 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -267,9 +267,14 @@
    * Grab the CD offset and size, and the number of entries in the
    * archive and verify that they look reasonable.
    */
-  if (eocd->cd_start_offset + eocd->cd_size > eocd_offset) {
+  if (static_cast<off64_t>(eocd->cd_start_offset) + eocd->cd_size > eocd_offset) {
     ALOGW("Zip: bad offsets (dir %" PRIu32 ", size %" PRIu32 ", eocd %" PRId64 ")",
         eocd->cd_start_offset, eocd->cd_size, static_cast<int64_t>(eocd_offset));
+#if defined(__ANDROID__)
+    if (eocd->cd_start_offset + eocd->cd_size <= eocd_offset) {
+      android_errorWriteLog(0x534e4554, "31251826");
+    }
+#endif
     return kInvalidOffset;
   }
   if (eocd->num_records == 0) {
diff --git a/logcat/logcatd.rc b/logcat/logcatd.rc
index 1da1942..b082a64 100644
--- a/logcat/logcatd.rc
+++ b/logcat/logcatd.rc
@@ -35,7 +35,8 @@
     # all exec/services are called with umask(077), so no gain beyond 0700
     mkdir /data/misc/logd 0700 logd log
     # logd for write to /data/misc/logd, log group for read from pstore (-L)
-    exec - logd log -- /system/bin/logcat -L -b ${logd.logpersistd.buffer:-all} -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n ${logd.logpersistd.size:-256} --id=${ro.build.id}
+    # b/28788401 b/30041146 b/30612424
+    # exec - logd log -- /system/bin/logcat -L -b ${logd.logpersistd.buffer:-all} -v threadtime -v usec -v printable -D -f /data/misc/logd/logcat -r 1024 -n ${logd.logpersistd.size:-256} --id=${ro.build.id}
     start logcatd
 
 # stop logcatd service and clear data
diff --git a/logd/LogKlog.cpp b/logd/LogKlog.cpp
index fe08846..7073535 100644
--- a/logd/LogKlog.cpp
+++ b/logd/LogKlog.cpp
@@ -402,7 +402,32 @@
     }
 }
 
-pid_t LogKlog::sniffPid(const char *cp, size_t len) {
+pid_t LogKlog::sniffPid(const char **buf, size_t len) {
+    const char *cp = *buf;
+    // HTC kernels with modified printk "c0   1648 "
+    if ((len > 9) &&
+            (cp[0] == 'c') &&
+            isdigit(cp[1]) &&
+            (isdigit(cp[2]) || (cp[2] == ' ')) &&
+            (cp[3] == ' ')) {
+        bool gotDigit = false;
+        int i;
+        for (i = 4; i < 9; ++i) {
+            if (isdigit(cp[i])) {
+                gotDigit = true;
+            } else if (gotDigit || (cp[i] != ' ')) {
+                break;
+            }
+        }
+        if ((i == 9) && (cp[i] == ' ')) {
+            int pid = 0;
+            char dummy;
+            if (sscanf(cp + 4, "%d%c", &pid, &dummy) == 2) {
+                *buf = cp + 10; // skip-it-all
+                return pid;
+            }
+        }
+    }
     while (len) {
         // Mediatek kernels with modified printk
         if (*cp == '[') {
@@ -588,7 +613,7 @@
     }
 
     // Parse pid, tid and uid
-    const pid_t pid = sniffPid(p, len - (p - buf));
+    const pid_t pid = sniffPid(&p, len - (p - buf));
     const pid_t tid = pid;
     uid_t uid = AID_ROOT;
     if (pid) {
diff --git a/logd/LogKlog.h b/logd/LogKlog.h
index d812436..11d88af 100644
--- a/logd/LogKlog.h
+++ b/logd/LogKlog.h
@@ -51,7 +51,7 @@
 
 protected:
     void sniffTime(log_time &now, const char **buf, size_t len, bool reverse);
-    pid_t sniffPid(const char *buf, size_t len);
+    pid_t sniffPid(const char **buf, size_t len);
     void calculateCorrection(const log_time &monotonic,
                              const char *real_string, size_t len);
     virtual bool onDataAvailable(SocketClient *cli);
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 0fc701a..7d0c87d 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -26,6 +26,7 @@
 #######################################
 # asan.options
 ifneq ($(filter address,$(SANITIZE_TARGET)),)
+
 include $(CLEAR_VARS)
 
 LOCAL_MODULE := asan.options
@@ -34,6 +35,72 @@
 LOCAL_MODULE_PATH := $(TARGET_OUT)
 
 include $(BUILD_PREBUILT)
+
+# Modules for asan.options.X files.
+
+ASAN_OPTIONS_FILES :=
+
+define create-asan-options-module
+include $$(CLEAR_VARS)
+LOCAL_MODULE := asan.options.$(1)
+ASAN_OPTIONS_FILES += asan.options.$(1)
+LOCAL_MODULE_CLASS := ETC
+# The asan.options.off.template tries to turn off as much of ASAN as is possible.
+LOCAL_SRC_FILES := asan.options.off.template
+LOCAL_MODULE_PATH := $(TARGET_OUT)
+include $$(BUILD_PREBUILT)
+endef
+
+# Pretty comprehensive set of native services. This list is helpful if all that's to be checked is an
+# app.
+ifeq ($(SANITIZE_LITE),true)
+SANITIZE_ASAN_OPTIONS_FOR := \
+  adbd \
+  ATFWD-daemon \
+  audioserver \
+  bridgemgrd \
+  cameraserver \
+  cnd \
+  debuggerd \
+  debuggerd64 \
+  dex2oat \
+  drmserver \
+  fingerprintd \
+  gatekeeperd \
+  installd \
+  keystore \
+  lmkd \
+  logcat \
+  logd \
+  lowi-server \
+  media.codec \
+  mediadrmserver \
+  media.extractor \
+  mediaserver \
+  mm-qcamera-daemon \
+  mpdecision \
+  netmgrd \
+  perfd \
+  perfprofd \
+  qmuxd \
+  qseecomd \
+  rild \
+  sdcard \
+  servicemanager \
+  slim_daemon \
+  surfaceflinger \
+  thermal-engine \
+  time_daemon \
+  update_engine \
+  vold \
+  wpa_supplicant \
+  zip
+endif
+
+ifneq ($(SANITIZE_ASAN_OPTIONS_FOR),)
+  $(foreach binary, $(SANITIZE_ASAN_OPTIONS_FOR), $(eval $(call create-asan-options-module,$(binary))))
+endif
+
 endif
 
 #######################################
@@ -47,14 +114,14 @@
 EXPORT_GLOBAL_ASAN_OPTIONS :=
 ifneq ($(filter address,$(SANITIZE_TARGET)),)
   EXPORT_GLOBAL_ASAN_OPTIONS := export ASAN_OPTIONS include=/system/asan.options
-  LOCAL_REQUIRED_MODULES := asan.options
+  LOCAL_REQUIRED_MODULES := asan.options $(ASAN_OPTIONS_FILES)
 endif
 # Put it here instead of in init.rc module definition,
 # because init.rc is conditionally included.
 #
 # create some directories (some are mount points) and symlinks
 LOCAL_POST_INSTALL_CMD := mkdir -p $(addprefix $(TARGET_ROOT_OUT)/, \
-    sbin dev proc sys system data oem acct cache config storage mnt root $(BOARD_ROOT_EXTRA_FOLDERS)); \
+    sbin dev proc sys system data oem acct config storage mnt root $(BOARD_ROOT_EXTRA_FOLDERS)); \
     ln -sf /system/etc $(TARGET_ROOT_OUT)/etc; \
     ln -sf /data/user_de/0/com.android.shell/files/bugreports $(TARGET_ROOT_OUT)/bugreports; \
     ln -sf /sys/kernel/debug $(TARGET_ROOT_OUT)/d; \
@@ -64,6 +131,11 @@
 else
   LOCAL_POST_INSTALL_CMD += ; ln -sf /system/vendor $(TARGET_ROOT_OUT)/vendor
 endif
+ifdef BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE
+  LOCAL_POST_INSTALL_CMD += ; mkdir -p $(TARGET_ROOT_OUT)/cache
+else
+  LOCAL_POST_INSTALL_CMD += ; ln -sf /data/cache $(TARGET_ROOT_OUT)/cache
+endif
 ifdef BOARD_ROOT_EXTRA_SYMLINKS
 # BOARD_ROOT_EXTRA_SYMLINKS is a list of <target>:<link_name>.
   LOCAL_POST_INSTALL_CMD += $(foreach s, $(BOARD_ROOT_EXTRA_SYMLINKS),\
diff --git a/rootdir/asan.options b/rootdir/asan.options
index 43896a1..d728f12 100644
--- a/rootdir/asan.options
+++ b/rootdir/asan.options
@@ -3,3 +3,5 @@
 alloc_dealloc_mismatch=0
 allocator_may_return_null=1
 detect_container_overflow=0
+abort_on_error=1
+include_if_exists=/system/asan.options.%b
diff --git a/rootdir/asan.options.off.template b/rootdir/asan.options.off.template
new file mode 100644
index 0000000..59a1249
--- /dev/null
+++ b/rootdir/asan.options.off.template
@@ -0,0 +1,7 @@
+quarantine_size_mb=0
+max_redzone=16
+poison_heap=false
+poison_partial=false
+poison_array_cookie=false
+alloc_dealloc_mismatch=false
+new_delete_type_mismatch=false
diff --git a/rootdir/init.rc b/rootdir/init.rc
index ecc3ccd..8903255 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -50,12 +50,20 @@
     mkdir /dev/stune
     mount cgroup none /dev/stune schedtune
     mkdir /dev/stune/foreground
+    mkdir /dev/stune/background
+    mkdir /dev/stune/top-app
     chown system system /dev/stune
     chown system system /dev/stune/foreground
+    chown system system /dev/stune/background
+    chown system system /dev/stune/top-app
     chown system system /dev/stune/tasks
     chown system system /dev/stune/foreground/tasks
+    chown system system /dev/stune/background/tasks
+    chown system system /dev/stune/top-app/tasks
     chmod 0664 /dev/stune/tasks
     chmod 0664 /dev/stune/foreground/tasks
+    chmod 0664 /dev/stune/background/tasks
+    chmod 0664 /dev/stune/top-app/tasks
 
     # Mount staging areas for devices managed by vold
     # See storage config details at http://source.android.com/tech/storage/
@@ -134,16 +142,17 @@
     chown system system /dev/cpuctl
     chown system system /dev/cpuctl/tasks
     chmod 0666 /dev/cpuctl/tasks
-    write /dev/cpuctl/cpu.rt_runtime_us 800000
     write /dev/cpuctl/cpu.rt_period_us 1000000
+    write /dev/cpuctl/cpu.rt_runtime_us 950000
 
     mkdir /dev/cpuctl/bg_non_interactive
     chown system system /dev/cpuctl/bg_non_interactive/tasks
     chmod 0666 /dev/cpuctl/bg_non_interactive/tasks
     # 5.0 %
     write /dev/cpuctl/bg_non_interactive/cpu.shares 52
-    write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 700000
     write /dev/cpuctl/bg_non_interactive/cpu.rt_period_us 1000000
+    # active FIFO threads will never be in BG
+    write /dev/cpuctl/bg_non_interactive/cpu.rt_runtime_us 10000
 
     # sets up initial cpusets for ActivityManager
     mkdir /dev/cpuset
@@ -225,6 +234,8 @@
     # expecting it to point to /proc/self/fd
     symlink /proc/self/fd /dev/fd
 
+    export DOWNLOAD_CACHE /data/cache
+
     # set RLIMIT_NICE to allow priorities from 19 to -20
     setrlimit 13 40 40
 
@@ -412,6 +423,10 @@
     # create the A/B OTA directory, so as to enforce our permissions
     mkdir /data/ota 0771 root root
 
+    # create the OTA package directory. It will be accessed by GmsCore (cache
+    # group), update_engine and update_verifier.
+    mkdir /data/ota_package 0770 system cache
+
     # create resource-cache and double-check the perms
     mkdir /data/resource-cache 0771 system system
     chown system system /data/resource-cache
@@ -452,6 +467,11 @@
     mkdir /data/media 0770 media_rw media_rw
     mkdir /data/media/obb 0770 media_rw media_rw
 
+    mkdir /data/cache 0770 system cache
+    mkdir /data/cache/recovery 0770 system cache
+    mkdir /data/cache/backup_stage 0700 system system
+    mkdir /data/cache/backup 0700 system system
+
     init_user0
 
     # Set SELinux security contexts on upgrade or policy update.
diff --git a/rootdir/init.usb.rc b/rootdir/init.usb.rc
index 1fd1e2a..915d159 100644
--- a/rootdir/init.usb.rc
+++ b/rootdir/init.usb.rc
@@ -103,7 +103,7 @@
 
 # Used to set USB configuration at boot and to switch the configuration
 # when changing the default configuration
-on property:persist.sys.usb.config=*
+on boot && property:persist.sys.usb.config=*
     setprop sys.usb.config ${persist.sys.usb.config}
 
 #
diff --git a/rootdir/init.zygote32.rc b/rootdir/init.zygote32.rc
index bfddcfa..eedeba8 100644
--- a/rootdir/init.zygote32.rc
+++ b/rootdir/init.zygote32.rc
@@ -10,4 +10,4 @@
     onrestart restart cameraserver
     onrestart restart media
     onrestart restart netd
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/rootdir/init.zygote32_64.rc b/rootdir/init.zygote32_64.rc
index 1bbb007..84a907f 100644
--- a/rootdir/init.zygote32_64.rc
+++ b/rootdir/init.zygote32_64.rc
@@ -19,4 +19,4 @@
     group root readproc
     socket zygote_secondary stream 660 root system
     onrestart restart zygote
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/rootdir/init.zygote64.rc b/rootdir/init.zygote64.rc
index 6742127..76e2b79 100644
--- a/rootdir/init.zygote64.rc
+++ b/rootdir/init.zygote64.rc
@@ -10,4 +10,4 @@
     onrestart restart cameraserver
     onrestart restart media
     onrestart restart netd
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/rootdir/init.zygote64_32.rc b/rootdir/init.zygote64_32.rc
index 81a7609..e918b67 100644
--- a/rootdir/init.zygote64_32.rc
+++ b/rootdir/init.zygote64_32.rc
@@ -19,4 +19,4 @@
     group root readproc
     socket zygote_secondary stream 660 root system
     onrestart restart zygote
-    writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
+    writepid /dev/cpuset/foreground/tasks
diff --git a/sdcard/fuse.cpp b/sdcard/fuse.cpp
index 9393846..3f0f95f 100644
--- a/sdcard/fuse.cpp
+++ b/sdcard/fuse.cpp
@@ -1026,7 +1026,13 @@
     }
     out.fh = ptr_to_id(h);
     out.open_flags = 0;
+
+#ifdef FUSE_SHORTCIRCUIT
+    out.lower_fd = h->fd;
+#else
     out.padding = 0;
+#endif
+
     fuse_reply(fuse, hdr->unique, &out, sizeof(out));
     return NO_STATUS;
 }
@@ -1190,7 +1196,13 @@
     }
     out.fh = ptr_to_id(h);
     out.open_flags = 0;
+
+#ifdef FUSE_SHORTCIRCUIT
+    out.lower_fd = -1;
+#else
     out.padding = 0;
+#endif
+
     fuse_reply(fuse, hdr->unique, &out, sizeof(out));
     return NO_STATUS;
 }
@@ -1270,6 +1282,11 @@
     out.major = FUSE_KERNEL_VERSION;
     out.max_readahead = req->max_readahead;
     out.flags = FUSE_ATOMIC_O_TRUNC | FUSE_BIG_WRITES;
+
+#ifdef FUSE_SHORTCIRCUIT
+    out.flags |= FUSE_SHORTCIRCUIT;
+#endif
+
     out.max_background = 32;
     out.congestion_threshold = 32;
     out.max_write = MAX_WRITE;