Merge "Set libavb version into system property for Treble OTA" into oc-dev
diff --git a/adb/daemon/main.cpp b/adb/daemon/main.cpp
index 7da94ce..7a87df4 100644
--- a/adb/daemon/main.cpp
+++ b/adb/daemon/main.cpp
@@ -32,10 +32,10 @@
 #include <android-base/properties.h>
 #include <android-base/stringprintf.h>
 #include <libminijail.h>
+#include <log/log_properties.h>
 #include <scoped_minijail.h>
 
 #include <private/android_filesystem_config.h>
-#include <private/android_logger.h>
 #include "debuggerd/handler.h"
 #include "selinux/android.h"
 
diff --git a/adb/services.cpp b/adb/services.cpp
index 47f0a03..c9ea039 100644
--- a/adb/services.cpp
+++ b/adb/services.cpp
@@ -41,7 +41,7 @@
 #include <android-base/properties.h>
 #include <bootloader_message/bootloader_message.h>
 #include <cutils/android_reboot.h>
-#include <private/android_logger.h>
+#include <log/log_properties.h>
 #endif
 
 #include "adb.h"
diff --git a/adb/set_verity_enable_state_service.cpp b/adb/set_verity_enable_state_service.cpp
index 76b156d..d4dd256 100644
--- a/adb/set_verity_enable_state_service.cpp
+++ b/adb/set_verity_enable_state_service.cpp
@@ -26,7 +26,7 @@
 
 #include "android-base/properties.h"
 #include "android-base/stringprintf.h"
-#include <private/android_logger.h>
+#include <log/log_properties.h>
 
 #include "adb.h"
 #include "adb_io.h"
diff --git a/adb/sockets.cpp b/adb/sockets.cpp
index c05903f..59a48f5 100644
--- a/adb/sockets.cpp
+++ b/adb/sockets.cpp
@@ -32,7 +32,7 @@
 
 #if !ADB_HOST
 #include <android-base/properties.h>
-#include <private/android_logger.h>
+#include <log/log_properties.h>
 #endif
 
 #include "adb.h"
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index ea9cb37..4ddcc52 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -47,8 +47,9 @@
 #include <ext4_utils/wipe.h>
 #include <linux/fs.h>
 #include <linux/loop.h>
+#include <linux/magic.h>
+#include <log/log_properties.h>
 #include <logwrap/logwrap.h>
-#include <private/android_logger.h>  // for __android_log_is_debuggable()
 
 #include "fs_mgr.h"
 #include "fs_mgr_avb.h"
@@ -72,17 +73,18 @@
 
 // record fs stat
 enum FsStatFlags {
-    FS_STAT_IS_EXT4           = 0x0001,
+    FS_STAT_IS_EXT4 = 0x0001,
     FS_STAT_NEW_IMAGE_VERSION = 0x0002,
-    FS_STAT_E2FSCK_F_ALWAYS   = 0x0004,
-    FS_STAT_UNCLEAN_SHUTDOWN  = 0x0008,
-    FS_STAT_QUOTA_ENABLED     = 0x0010,
-    FS_STAT_TUNE2FS_FAILED    = 0x0020,
-    FS_STAT_RO_MOUNT_FAILED   = 0x0040,
+    FS_STAT_E2FSCK_F_ALWAYS = 0x0004,
+    FS_STAT_UNCLEAN_SHUTDOWN = 0x0008,
+    FS_STAT_QUOTA_ENABLED = 0x0010,
+    FS_STAT_TUNE2FS_FAILED = 0x0020,
+    FS_STAT_RO_MOUNT_FAILED = 0x0040,
     FS_STAT_RO_UNMOUNT_FAILED = 0x0080,
     FS_STAT_FULL_MOUNT_FAILED = 0x0100,
-    FS_STAT_E2FSCK_FAILED     = 0x0200,
-    FS_STAT_E2FSCK_FS_FIXED   = 0x0400,
+    FS_STAT_E2FSCK_FAILED = 0x0200,
+    FS_STAT_E2FSCK_FS_FIXED = 0x0400,
+    FS_STAT_EXT4_INVALID_MAGIC = 0x0800,
 };
 
 /*
@@ -141,6 +143,9 @@
 
     /* Check for the types of filesystems we know how to check */
     if (!strcmp(fs_type, "ext2") || !strcmp(fs_type, "ext3") || !strcmp(fs_type, "ext4")) {
+        if (*fs_stat & FS_STAT_EXT4_INVALID_MAGIC) {  // will fail, so do not try
+            return;
+        }
         /*
          * First try to mount and unmount the filesystem.  We do this because
          * the kernel is more efficient than e2fsck in running the journal and
@@ -287,6 +292,11 @@
                     PERROR << "Can't read '" << blk_device << "' super block";
                     return force_check;
                 }
+                if (sb.s_magic != EXT4_SUPER_MAGIC) {
+                    LINFO << "Invalid ext4 magic:0x" << std::hex << sb.s_magic << "," << blk_device;
+                    *fs_stat |= FS_STAT_EXT4_INVALID_MAGIC;
+                    return 0;  // not a valid fs, tune2fs, fsck, and mount  will all fail.
+                }
                 *fs_stat |= FS_STAT_IS_EXT4;
                 LINFO << "superblock s_max_mnt_count:" << sb.s_max_mnt_count << "," << blk_device;
                 if (sb.s_max_mnt_count == 0xffff) {  // -1 (int16) in ext2, but uint16 in ext4
@@ -547,7 +557,13 @@
             int force_check = do_quota_with_shutdown_check(fstab->recs[i].blk_device,
                                                            fstab->recs[i].fs_type,
                                                            &fstab->recs[i], &fs_stat);
-
+            if (fs_stat & FS_STAT_EXT4_INVALID_MAGIC) {
+                LERROR << __FUNCTION__ << "(): skipping mount, invalid ext4, mountpoint="
+                       << fstab->recs[i].mount_point << " rec[" << i
+                       << "].fs_type=" << fstab->recs[i].fs_type;
+                mount_errno = EINVAL;  // continue bootup for FDE
+                continue;
+            }
             if ((fstab->recs[i].fs_mgr_flags & MF_CHECK) || force_check) {
                 check_fs(fstab->recs[i].blk_device, fstab->recs[i].fs_type,
                          fstab->recs[i].mount_point, &fs_stat);
diff --git a/init/Android.mk b/init/Android.mk
index 6dc0229..3c878b5 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -71,7 +71,7 @@
     service.cpp \
     util.cpp \
 
-LOCAL_STATIC_LIBRARIES := libbase libselinux liblog libprocessgroup libnl
+LOCAL_STATIC_LIBRARIES := libbase libselinux liblog libprocessgroup
 LOCAL_WHOLE_STATIC_LIBRARIES := libcap
 LOCAL_MODULE := libinit
 LOCAL_SANITIZE := integer
@@ -122,7 +122,6 @@
     libsparse \
     libz \
     libprocessgroup \
-    libnl \
     libavb
 
 # Create symlinks.
diff --git a/init/README.md b/init/README.md
index 822d81e..97681c2 100644
--- a/init/README.md
+++ b/init/README.md
@@ -365,10 +365,6 @@
   _options_ include "barrier=1", "noauto\_da\_alloc", "discard", ... as
   a comma separated string, eg: barrier=1,noauto\_da\_alloc
 
-`powerctl`
-> Internal implementation detail used to respond to changes to the
-  "sys.powerctl" system property, used to implement rebooting.
-
 `restart <service>`
 > Stops and restarts a running service, does nothing if the service is currently
   restarting, otherwise, it just starts the service.
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 2be70bf..08a715c 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -603,54 +603,6 @@
     return 0;
 }
 
-static int do_powerctl(const std::vector<std::string>& args) {
-    const std::string& command = args[1];
-    unsigned int cmd = 0;
-    std::vector<std::string> cmd_params = android::base::Split(command, ",");
-    std::string reason_string = cmd_params[0];
-    std::string reboot_target = "";
-    bool runFsck = false;
-    bool commandInvalid = false;
-
-    if (cmd_params.size() > 2) {
-        commandInvalid = true;
-    } else if (cmd_params[0] == "shutdown") {
-        cmd = ANDROID_RB_POWEROFF;
-        if (cmd_params.size() == 2 && cmd_params[1] == "userrequested") {
-            // The shutdown reason is PowerManager.SHUTDOWN_USER_REQUESTED.
-            // Run fsck once the file system is remounted in read-only mode.
-            runFsck = true;
-            reason_string = cmd_params[1];
-        }
-    } else if (cmd_params[0] == "reboot") {
-        cmd = ANDROID_RB_RESTART2;
-        if (cmd_params.size() == 2) {
-            reboot_target = cmd_params[1];
-            // When rebooting to the bootloader notify the bootloader writing
-            // also the BCB.
-            if (reboot_target == "bootloader") {
-                std::string err;
-                if (!write_reboot_bootloader(&err)) {
-                    LOG(ERROR) << "reboot-bootloader: Error writing "
-                                  "bootloader_message: "
-                               << err;
-                }
-            }
-        }
-    } else if (command == "thermal-shutdown") {  // no additional parameter allowed
-        cmd = ANDROID_RB_THERMOFF;
-    } else {
-        commandInvalid = true;
-    }
-    if (commandInvalid) {
-        LOG(ERROR) << "powerctl: unrecognized command '" << command << "'";
-        return -EINVAL;
-    }
-
-    DoReboot(cmd, reason_string, reboot_target, runFsck);
-    return 0;
-}
-
 static int do_trigger(const std::vector<std::string>& args) {
     ActionManager::GetInstance().QueueEventTrigger(args[1]);
     return 0;
@@ -962,7 +914,6 @@
         {"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}},
         {"restorecon_recursive",    {1,     kMax, do_restorecon_recursive}},
diff --git a/init/init.cpp b/init/init.cpp
index 2f728ea..a75ced5 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -64,6 +64,7 @@
 #include "keychords.h"
 #include "log.h"
 #include "property_service.h"
+#include "reboot.h"
 #include "service.h"
 #include "signal_handler.h"
 #include "ueventd.h"
@@ -149,8 +150,13 @@
     return true;
 }
 
-void property_changed(const char *name, const char *value)
-{
+void property_changed(const std::string& name, const std::string& value) {
+    // If the property is sys.powerctl, we bypass the event queue and immediately handle it.
+    // This is to ensure that init will always and immediately shutdown/reboot, regardless of
+    // if there are other pending events to process or if init is waiting on an exec service or
+    // waiting on a property.
+    if (name == "sys.powerctl") HandlePowerctlMessage(value);
+
     if (property_triggers_enabled)
         ActionManager::GetInstance().QueuePropertyTrigger(name, value);
     if (waiting_for_prop) {
diff --git a/init/init.h b/init/init.h
index fe850ef..1da3350 100644
--- a/init/init.h
+++ b/init/init.h
@@ -26,7 +26,7 @@
 
 void handle_control_message(const std::string& msg, const std::string& arg);
 
-void property_changed(const char *name, const char *value);
+void property_changed(const std::string& name, const std::string& value);
 
 void register_epoll_handler(int fd, void (*fn)());
 
diff --git a/init/log.cpp b/init/log.cpp
index 6b32526..0615730 100644
--- a/init/log.cpp
+++ b/init/log.cpp
@@ -17,10 +17,10 @@
 #include "log.h"
 
 #include <fcntl.h>
+#include <linux/audit.h>
 #include <string.h>
 
-#include <linux/audit.h>
-#include <netlink/netlink.h>
+#include <android-base/logging.h>
 #include <selinux/selinux.h>
 
 void InitKernelLogging(char* argv[]) {
@@ -40,24 +40,6 @@
     android::base::InitLogging(argv, &android::base::KernelLogger);
 }
 
-static void selinux_avc_log(char* buf, size_t buf_len) {
-    size_t str_len = strnlen(buf, buf_len);
-
-    // trim newline at end of string
-    buf[str_len - 1] = '\0';
-
-    struct nl_sock* sk = nl_socket_alloc();
-    if (sk == NULL) {
-        return;
-    }
-    nl_connect(sk, NETLINK_AUDIT);
-    int result;
-    do {
-        result = nl_send_simple(sk, AUDIT_USER_AVC, 0, buf, str_len);
-    } while (result == -NLE_INTR);
-    nl_socket_free(sk);
-}
-
 int selinux_klog_callback(int type, const char *fmt, ...) {
     android::base::LogSeverity severity = android::base::ERROR;
     if (type == SELINUX_WARNING) {
@@ -68,15 +50,8 @@
     char buf[1024];
     va_list ap;
     va_start(ap, fmt);
-    int res = vsnprintf(buf, sizeof(buf), fmt, ap);
+    vsnprintf(buf, sizeof(buf), fmt, ap);
     va_end(ap);
-    if (res <= 0) {
-        return 0;
-    }
-    if (type == SELINUX_AVC) {
-        selinux_avc_log(buf, sizeof(buf));
-    } else {
-        android::base::KernelLogger(android::base::MAIN, severity, "selinux", nullptr, 0, buf);
-    }
+    android::base::KernelLogger(android::base::MAIN, severity, "selinux", nullptr, 0, buf);
     return 0;
 }
diff --git a/init/property_service.cpp b/init/property_service.cpp
index a4d8b5f..a44df42 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -206,7 +206,7 @@
     if (persistent_properties_loaded && android::base::StartsWith(name, "persist.")) {
         write_persistent_property(name.c_str(), value.c_str());
     }
-    property_changed(name.c_str(), value.c_str());
+    property_changed(name, value);
     return PROP_SUCCESS;
 }
 
diff --git a/init/reboot.cpp b/init/reboot.cpp
index e887677..e234f96 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -425,3 +425,54 @@
     RebootSystem(cmd, rebootTarget);
     abort();
 }
+
+bool HandlePowerctlMessage(const std::string& command) {
+    unsigned int cmd = 0;
+    std::vector<std::string> cmd_params = android::base::Split(command, ",");
+    std::string reason_string = cmd_params[0];
+    std::string reboot_target = "";
+    bool run_fsck = false;
+    bool command_invalid = false;
+
+    if (cmd_params.size() > 3) {
+        command_invalid = true;
+    } else if (cmd_params[0] == "shutdown") {
+        cmd = ANDROID_RB_POWEROFF;
+        if (cmd_params.size() == 2 && cmd_params[1] == "userrequested") {
+            // The shutdown reason is PowerManager.SHUTDOWN_USER_REQUESTED.
+            // Run fsck once the file system is remounted in read-only mode.
+            run_fsck = true;
+            reason_string = cmd_params[1];
+        }
+    } else if (cmd_params[0] == "reboot") {
+        cmd = ANDROID_RB_RESTART2;
+        if (cmd_params.size() >= 2) {
+            reboot_target = cmd_params[1];
+            // When rebooting to the bootloader notify the bootloader writing
+            // also the BCB.
+            if (reboot_target == "bootloader") {
+                std::string err;
+                if (!write_reboot_bootloader(&err)) {
+                    LOG(ERROR) << "reboot-bootloader: Error writing "
+                                  "bootloader_message: "
+                               << err;
+                }
+            }
+            // If there is an additional bootloader parameter, pass it along
+            if (cmd_params.size() == 3) {
+                reboot_target += "," + cmd_params[2];
+            }
+        }
+    } else if (command == "thermal-shutdown") {  // no additional parameter allowed
+        cmd = ANDROID_RB_THERMOFF;
+    } else {
+        command_invalid = true;
+    }
+    if (command_invalid) {
+        LOG(ERROR) << "powerctl: unrecognized command '" << command << "'";
+        return false;
+    }
+
+    DoReboot(cmd, reason_string, reboot_target, run_fsck);
+    return true;
+}
diff --git a/init/reboot.h b/init/reboot.h
index 3956249..cd6be39 100644
--- a/init/reboot.h
+++ b/init/reboot.h
@@ -27,4 +27,7 @@
 void DoReboot(unsigned int cmd, const std::string& reason, const std::string& rebootTarget,
               bool runFsck) __attribute__((__noreturn__));
 
+// Parses and handles a setprop sys.powerctl message.
+bool HandlePowerctlMessage(const std::string& command);
+
 #endif
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index f668f18..513736d 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -31,16 +31,14 @@
 ]
 
 cc_library_headers {
-    name: "libcutils_vndk_headers",
-    host_supported: true,
-    export_include_dirs: ["include_vndk"],
-}
-
-cc_library_headers {
     name: "libcutils_headers",
+    vendor_available: true,
     host_supported: true,
     export_include_dirs: ["include"],
     target: {
+        vendor: {
+            export_include_dirs: ["include_vndk"],
+        },
         linux_bionic: {
             enabled: true,
         },
@@ -52,6 +50,7 @@
 
 cc_library {
     name: "libcutils",
+    vendor_available: true,
     host_supported: true,
     srcs: [
         "config_utils.c",
@@ -144,7 +143,10 @@
     },
 
     shared_libs: ["liblog"],
-    header_libs: ["libcutils_headers"],
+    header_libs: [
+        "libcutils_headers",
+        "libutils_headers",
+    ],
     export_header_lib_headers: ["libcutils_headers"],
 
     cflags: [
diff --git a/libcutils/include/cutils/multiuser.h b/libcutils/include/cutils/multiuser.h
index 5bd9c7b..9a2305c 100644
--- a/libcutils/include/cutils/multiuser.h
+++ b/libcutils/include/cutils/multiuser.h
@@ -33,6 +33,7 @@
 
 extern gid_t multiuser_get_cache_gid(userid_t user_id, appid_t app_id);
 extern gid_t multiuser_get_ext_gid(userid_t user_id, appid_t app_id);
+extern gid_t multiuser_get_ext_cache_gid(userid_t user_id, appid_t app_id);
 extern gid_t multiuser_get_shared_gid(userid_t user_id, appid_t app_id);
 
 /* TODO: switch callers over to multiuser_get_shared_gid() */
diff --git a/libcutils/include/private/android_filesystem_config.h b/libcutils/include/private/android_filesystem_config.h
index 0037f15..bbba853 100644
--- a/libcutils/include/private/android_filesystem_config.h
+++ b/libcutils/include/private/android_filesystem_config.h
@@ -171,6 +171,9 @@
 #define AID_EXT_GID_START 30000 /* start of gids for apps to mark external data */
 #define AID_EXT_GID_END 39999   /* end of gids for apps to mark external data */
 
+#define AID_EXT_CACHE_GID_START 40000 /* start of gids for apps to mark external cached data */
+#define AID_EXT_CACHE_GID_END 49999   /* end of gids for apps to mark external cached data */
+
 #define AID_SHARED_GID_START 50000 /* start of gids for apps in each user to share */
 #define AID_SHARED_GID_END 59999   /* end of gids for apps in each user to share */
 
diff --git a/libcutils/include_vndk/cutils/log.h b/libcutils/include_vndk/cutils/log.h
index ae74024..21dc11e 100644
--- a/libcutils/include_vndk/cutils/log.h
+++ b/libcutils/include_vndk/cutils/log.h
@@ -16,6 +16,32 @@
 */
 #ifndef _LIBS_CUTIL_LOG_H
 #define _LIBS_CUTIL_LOG_H
-#warning "Deprecated: don't include cutils/log.h, use either android/log.h or log/log.h"
+
+/* We do not know if developer wanted log/log.h or subset android/log.h */
 #include <log/log.h>
+
+#if defined(__GNUC__)
+#if defined( __clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic warning "-W#warnings"
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wpedantic"
+#elif (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR > 9))
+#pragma GCC diagnostic push
+#pragma GCC diagnostic warning "-W#warnings"
+#else
+#pragma GCC diagnostic push
+#pragma GCC diagnostic warning "-Wcpp"
+#endif
+#endif
+
+#warning "Deprecated: don't include cutils/log.h, use either android/log.h or log/log.h"
+
+#if defined(__GNUC__)
+#if defined( __clang__)
+#pragma clang diagnostic pop
+#endif
+#pragma GCC diagnostic pop
+#endif
+
 #endif /* _LIBS_CUTIL_LOG_H */
diff --git a/libcutils/multiuser.c b/libcutils/multiuser.c
index 08d4d6c..61403f4 100644
--- a/libcutils/multiuser.c
+++ b/libcutils/multiuser.c
@@ -45,6 +45,14 @@
     }
 }
 
+gid_t multiuser_get_ext_cache_gid(userid_t user_id, appid_t app_id) {
+    if (app_id >= AID_APP_START && app_id <= AID_APP_END) {
+        return multiuser_get_uid(user_id, (app_id - AID_APP_START) + AID_EXT_CACHE_GID_START);
+    } else {
+        return -1;
+    }
+}
+
 gid_t multiuser_get_shared_gid(userid_t user_id, appid_t app_id) {
     if (app_id >= AID_APP_START && app_id <= AID_APP_END) {
         return multiuser_get_uid(user_id, (app_id - AID_APP_START) + AID_SHARED_GID_START);
diff --git a/libcutils/sched_policy.cpp b/libcutils/sched_policy.cpp
index 73ca518..3837ca7 100644
--- a/libcutils/sched_policy.cpp
+++ b/libcutils/sched_policy.cpp
@@ -28,6 +28,13 @@
 
 #define UNUSED __attribute__((__unused__))
 
+#ifndef SLOGE
+#define SLOGE ALOGE
+#endif
+#ifndef SLOGW
+#define SLOGW ALOGW
+#endif
+
 /* Re-map SP_DEFAULT to the system default policy, and leave other values unchanged.
  * Call this any place a SchedPolicy is used as an input parameter.
  * Returns the possibly re-mapped policy.
diff --git a/libcutils/tests/multiuser_test.cpp b/libcutils/tests/multiuser_test.cpp
index ae5c416..2f9d854 100644
--- a/libcutils/tests/multiuser_test.cpp
+++ b/libcutils/tests/multiuser_test.cpp
@@ -68,6 +68,14 @@
     EXPECT_EQ(1030000U, multiuser_get_ext_gid(10, 10000));
 }
 
+TEST(MultiuserTest, TestExtCache) {
+    EXPECT_EQ(ERR_GID, multiuser_get_ext_cache_gid(0, 0));
+    EXPECT_EQ(ERR_GID, multiuser_get_ext_cache_gid(0, 1000));
+    EXPECT_EQ(40000U, multiuser_get_ext_cache_gid(0, 10000));
+    EXPECT_EQ(ERR_GID, multiuser_get_ext_cache_gid(0, 50000));
+    EXPECT_EQ(1040000U, multiuser_get_ext_cache_gid(10, 10000));
+}
+
 TEST(MultiuserTest, TestShared) {
     EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(0, 0));
     EXPECT_EQ(ERR_GID, multiuser_get_shared_gid(0, 1000));
diff --git a/libcutils/trace-dev.c b/libcutils/trace-dev.c
index 113f423..d45e5a9 100644
--- a/libcutils/trace-dev.c
+++ b/libcutils/trace-dev.c
@@ -29,7 +29,8 @@
 #include <cutils/compiler.h>
 #include <cutils/properties.h>
 #include <cutils/trace.h>
-#include <private/android_logger.h>
+#include <log/log.h>
+#include <log/log_properties.h>
 
 /**
  * Maximum size of a message that can be logged to the trace buffer.
diff --git a/liblog/event_tag_map.cpp b/liblog/event_tag_map.cpp
index bdad2c2..231f4d9 100644
--- a/liblog/event_tag_map.cpp
+++ b/liblog/event_tag_map.cpp
@@ -31,6 +31,7 @@
 #include <unordered_map>
 
 #include <log/event_tag_map.h>
+#include <log/log_properties.h>
 #include <private/android_logger.h>
 #include <utils/FastStrcmp.h>
 #include <utils/RWLock.h>
diff --git a/liblog/include/log/log_properties.h b/liblog/include/log/log_properties.h
new file mode 100644
index 0000000..7d398a6
--- /dev/null
+++ b/liblog/include/log/log_properties.h
@@ -0,0 +1,35 @@
+/*
+**
+** Copyright 2017, The Android Open Source Project
+**
+** This file is dual licensed.  It may be redistributed and/or modified
+** under the terms of the Apache 2.0 License OR version 2 of the GNU
+** General Public License.
+*/
+
+#ifndef _LIBS_LOG_PROPERTIES_H
+#define _LIBS_LOG_PROPERTIES_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __ANDROID_USE_LIBLOG_IS_DEBUGGABLE_INTERFACE
+#ifndef __ANDROID_API__
+#define __ANDROID_USE_LIBLOG_IS_DEBUGGABLE_INTERFACE 1
+#elif __ANDROID_API__ > 24 /* > Nougat */
+#define __ANDROID_USE_LIBLOG_IS_DEBUGGABLE_INTERFACE 1
+#else
+#define __ANDROID_USE_LIBLOG_IS_DEBUGGABLE_INTERFACE 0
+#endif
+#endif
+
+#if __ANDROID_USE_LIBLOG_IS_DEBUGGABLE_INTERFACE
+int __android_log_is_debuggable();
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBS_LOG_PROPERTIES_H */
diff --git a/liblog/include/private/android_logger.h b/liblog/include/private/android_logger.h
index e3ccfcf..965de37 100644
--- a/liblog/include/private/android_logger.h
+++ b/liblog/include/private/android_logger.h
@@ -135,8 +135,6 @@
 int __android_log_security_bswrite(int32_t tag, const char* payload);
 int __android_log_security(); /* Device Owner is present */
 
-int __android_log_is_debuggable();
-
 #define BOOL_DEFAULT_FLAG_TRUE_FALSE 0x1
 #define BOOL_DEFAULT_FALSE 0x0        /* false if property not present   */
 #define BOOL_DEFAULT_TRUE 0x1         /* true if property not present    */
diff --git a/liblog/include_vndk/log/log_properties.h b/liblog/include_vndk/log/log_properties.h
new file mode 120000
index 0000000..bbec426
--- /dev/null
+++ b/liblog/include_vndk/log/log_properties.h
@@ -0,0 +1 @@
+../../include/log/log_properties.h
\ No newline at end of file
diff --git a/liblog/liblog.map.txt b/liblog/liblog.map.txt
index c00f2a0..58fb148 100644
--- a/liblog/liblog.map.txt
+++ b/liblog/liblog.map.txt
@@ -39,4 +39,5 @@
 LIBLOG_O {
   global:
     __android_log_is_loggable_len;
+    __android_log_is_debuggable; # vndk
 };
diff --git a/liblog/pmsg_writer.c b/liblog/pmsg_writer.c
index e71c176..dc42856 100644
--- a/liblog/pmsg_writer.c
+++ b/liblog/pmsg_writer.c
@@ -26,6 +26,7 @@
 #include <sys/types.h>
 #include <time.h>
 
+#include <log/log_properties.h>
 #include <private/android_filesystem_config.h>
 #include <private/android_logger.h>
 
diff --git a/liblog/properties.c b/liblog/properties.c
index adf1900..c71cbcf 100644
--- a/liblog/properties.c
+++ b/liblog/properties.c
@@ -277,7 +277,7 @@
   return logLevel >= 0 && prio >= logLevel;
 }
 
-LIBLOG_ABI_PRIVATE int __android_log_is_debuggable() {
+LIBLOG_ABI_PUBLIC int __android_log_is_debuggable() {
   static uint32_t serial;
   static struct cache_char tag_cache;
   static const char key[] = "ro.debuggable";
diff --git a/logd/LogBuffer.cpp b/logd/LogBuffer.cpp
index 8ef9328..1eda15d 100644
--- a/logd/LogBuffer.cpp
+++ b/logd/LogBuffer.cpp
@@ -43,6 +43,8 @@
 // Default
 #define log_buffer_size(id) mMaxSize[id]
 
+const log_time LogBuffer::pruneMargin(3, 0);
+
 void LogBuffer::init() {
     log_id_for_each(i) {
         mLastSet[i] = false;
@@ -674,6 +676,8 @@
         }
         times++;
     }
+    log_time watermark(log_time::tv_sec_max, log_time::tv_nsec_max);
+    if (oldest) watermark = oldest->mStart - pruneMargin;
 
     LogBufferElementCollection::iterator it;
 
@@ -695,7 +699,7 @@
                 mLastSet[id] = true;
             }
 
-            if (oldest && (oldest->mStart <= element->getRealTime().nsec())) {
+            if (oldest && (watermark <= element->getRealTime())) {
                 busy = true;
                 if (oldest->mTimeout.tv_sec || oldest->mTimeout.tv_nsec) {
                     oldest->triggerReader_Locked();
@@ -787,7 +791,7 @@
         while (it != mLogElements.end()) {
             LogBufferElement* element = *it;
 
-            if (oldest && (oldest->mStart <= element->getRealTime().nsec())) {
+            if (oldest && (watermark <= element->getRealTime())) {
                 busy = true;
                 if (oldest->mTimeout.tv_sec || oldest->mTimeout.tv_nsec) {
                     oldest->triggerReader_Locked();
@@ -941,7 +945,7 @@
             mLastSet[id] = true;
         }
 
-        if (oldest && (oldest->mStart <= element->getRealTime().nsec())) {
+        if (oldest && (watermark <= element->getRealTime())) {
             busy = true;
             if (whitelist) {
                 break;
@@ -985,7 +989,7 @@
                 mLastSet[id] = true;
             }
 
-            if (oldest && (oldest->mStart <= element->getRealTime().nsec())) {
+            if (oldest && (watermark <= element->getRealTime())) {
                 busy = true;
                 if (stats.sizes(id) > (2 * log_buffer_size(id))) {
                     // kick a misbehaving log reader client off the island
@@ -1092,13 +1096,15 @@
         // client wants to start from the beginning
         it = mLogElements.begin();
     } else {
-        LogBufferElementCollection::iterator last;
         // 3 second limit to continue search for out-of-order entries.
-        log_time min = start - log_time(3, 0);
+        log_time min = start - pruneMargin;
+
         // Cap to 300 iterations we look back for out-of-order entries.
         size_t count = 300;
+
         // Client wants to start from some specified time. Chances are
         // we are better off starting from the end of the time sorted list.
+        LogBufferElementCollection::iterator last;
         for (last = it = mLogElements.end(); it != mLogElements.begin();
              /* do nothing */) {
             --it;
diff --git a/logd/LogBuffer.h b/logd/LogBuffer.h
index 19d11cb..1272c20 100644
--- a/logd/LogBuffer.h
+++ b/logd/LogBuffer.h
@@ -174,6 +174,7 @@
    private:
     static constexpr size_t minPrune = 4;
     static constexpr size_t maxPrune = 256;
+    static const log_time pruneMargin;
 
     void maybePrune(log_id_t id);
     bool prune(log_id_t id, unsigned long pruneRows, uid_t uid = AID_ROOT);
diff --git a/logd/LogTags.cpp b/logd/LogTags.cpp
index 67649b1..fcd45bd 100644
--- a/logd/LogTags.cpp
+++ b/logd/LogTags.cpp
@@ -32,8 +32,8 @@
 #include <android-base/macros.h>
 #include <android-base/stringprintf.h>
 #include <log/log_event_list.h>
+#include <log/log_properties.h>
 #include <private/android_filesystem_config.h>
-#include <private/android_logger.h>
 
 #include "LogTags.h"
 #include "LogUtils.h"
diff --git a/rootdir/etc/ld.config.txt b/rootdir/etc/ld.config.txt
index fbe8b28..1ec2bc0 100644
--- a/rootdir/etc/ld.config.txt
+++ b/rootdir/etc/ld.config.txt
@@ -7,7 +7,6 @@
 dir.system = /system/bin/
 dir.system = /system/xbin/
 dir.vendor = /vendor/bin/
-dir.legacy = /
 
 [system]
 additional.namespaces = sphal,vndk,rs
@@ -53,10 +52,10 @@
 
 # WARNING: only NDK libs can be listed here.
 # However, this is commented out because some SP-HALs (gralloc.msm8996.so, etc)
-# are currently using some non-stable libs such as libui.so. We will get back
+# are currently using some non-stable libs such as libbacktrace.so. We will get back
 # to this list once the dependencies are fixed.
 #namespace.sphal.link.default.shared_libs = libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libsync.so
-namespace.sphal.link.default.shared_libs = libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libEGL.so:libsync.so:libui.so:libbacktrace.so:libGLESv1_CM.so:libGLESv2.so
+namespace.sphal.link.default.shared_libs = libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libEGL.so:libsync.so:libbacktrace.so:libGLESv1_CM.so:libGLESv2.so
 
 # WARNING: only VNDK-SP libs can be listed here. DO NOT EDIT this line.
 namespace.sphal.link.vndk.shared_libs = android.hardware.graphics.allocator@2.0.so:android.hardware.graphics.mapper@2.0.so:android.hardware.graphics.common@1.0.so:android.hidl.base@1.0.so:libhwbinder.so:libbase.so:libcutils.so:libhardware.so:libhidlbase.so:libhidltransport.so:libutils.so:libc++.so
@@ -77,20 +76,12 @@
 
 # WARNING: only NDK libs can be listed here.
 # However, this is commented out because some SP-HALs (gralloc.msm8996.so, etc)
-# are currently using some non-stable libs such as libui.so. We will get back
+# are currently using some non-stable libs such as libacktrace.so. We will get back
 # to this list once the dependencies are fixed.
 #namespace.vndk.link.default.shared_libs = libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libsync.so
-namespace.vndk.link.default.shared_libs = libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libEGL.so:libsync.so:libui.so:libbacktrace.so
+namespace.vndk.link.default.shared_libs = libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libEGL.so:libsync.so:libbacktrace.so
 
 
 [vendor]
 namespace.default.isolated = false
 namespace.default.search.paths = /vendor/${LIB}:/vendor/${LIB}/vndk-sp:/system/${LIB}
-
-# If a binary does not belong to any of the sections above, it falls back to
-# this section, which is identical to the namespace configuration setup
-# in pre-O.
-[legacy]
-namespace.default.isolated = false
-namespace.default.search.path = /system/${LIB}:/vendor/${LIB}
-namespace.default.asan.search.path = /data/asan/system/${LIB}:/system/${LIB}:/data/asan/vendor/${LIB}:/vendor/${LIB}
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 15bbd32..e354d4b 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -641,9 +641,6 @@
     class_reset late_start
     class_reset main
 
-on property:sys.powerctl=*
-    powerctl ${sys.powerctl}
-
 on property:sys.boot_completed=1
     bootchart stop