Merge changes I06043f8e,I872f271c

* changes:
  libsnapshot: Use a two-phase merge for VABC.
  libsnapshot: Pass the correct source device to snapuserd.
diff --git a/debuggerd/handler/debuggerd_handler.cpp b/debuggerd/handler/debuggerd_handler.cpp
index 85ffc98..1297c4d 100644
--- a/debuggerd/handler/debuggerd_handler.cpp
+++ b/debuggerd/handler/debuggerd_handler.cpp
@@ -53,7 +53,6 @@
 #include <android-base/unique_fd.h>
 #include <async_safe/log.h>
 #include <bionic/reserved_signals.h>
-#include <cutils/properties.h>
 
 #include <libdebuggerd/utility.h>
 
diff --git a/debuggerd/tombstoned/intercept_manager.cpp b/debuggerd/tombstoned/intercept_manager.cpp
index 7d25c50..6cbf12c 100644
--- a/debuggerd/tombstoned/intercept_manager.cpp
+++ b/debuggerd/tombstoned/intercept_manager.cpp
@@ -27,7 +27,6 @@
 #include <android-base/cmsg.h>
 #include <android-base/logging.h>
 #include <android-base/unique_fd.h>
-#include <cutils/sockets.h>
 
 #include "protocol.h"
 #include "util.h"
diff --git a/debuggerd/util.cpp b/debuggerd/util.cpp
index 9d09210..f3bff8c 100644
--- a/debuggerd/util.cpp
+++ b/debuggerd/util.cpp
@@ -16,7 +16,6 @@
 
 #include "util.h"
 
-#include <sys/socket.h>
 #include <time.h>
 
 #include <string>
@@ -25,7 +24,6 @@
 #include <android-base/file.h>
 #include <android-base/stringprintf.h>
 #include <android-base/strings.h>
-#include <cutils/sockets.h>
 #include "protocol.h"
 
 std::string get_process_name(pid_t pid) {
diff --git a/fs_mgr/libfiemap/image_manager.cpp b/fs_mgr/libfiemap/image_manager.cpp
index 93fc131..841f215 100644
--- a/fs_mgr/libfiemap/image_manager.cpp
+++ b/fs_mgr/libfiemap/image_manager.cpp
@@ -486,15 +486,14 @@
         if (!MapWithLoopDeviceList(loop_devices, name, timeout_ms, path)) {
             return false;
         }
+    } else {
+        auto status_message = "loop:" + loop_devices.back();
+        auto status_file = GetStatusFilePath(name);
+        if (!android::base::WriteStringToFile(status_message, status_file)) {
+            PLOG(ERROR) << "Write failed: " << status_file;
+            return false;
+        }
     }
-
-    auto status_message = "loop:" + loop_devices.back();
-    auto status_file = GetStatusFilePath(name);
-    if (!android::base::WriteStringToFile(status_message, status_file)) {
-        PLOG(ERROR) << "Write failed: " << status_file;
-        return false;
-    }
-
     auto_detach.Commit();
 
     *path = loop_devices.back();
diff --git a/fs_mgr/libsnapshot/cow_snapuserd_test.cpp b/fs_mgr/libsnapshot/cow_snapuserd_test.cpp
index 4cc0fd3..0addba3 100644
--- a/fs_mgr/libsnapshot/cow_snapuserd_test.cpp
+++ b/fs_mgr/libsnapshot/cow_snapuserd_test.cpp
@@ -255,17 +255,23 @@
     ASSERT_TRUE(writer.Initialize(cow_system_->fd));
 
     size_t num_blocks = size_ / options.block_size;
-    size_t blk_src_copy = num_blocks;
-    size_t blk_end_copy = blk_src_copy + num_blocks;
-    size_t source_blk = 0;
+    size_t blk_end_copy = num_blocks * 2;
+    size_t source_blk = num_blocks - 1;
+    size_t blk_src_copy = blk_end_copy - 1;
 
-    while (source_blk < num_blocks) {
+    size_t x = num_blocks;
+    while (1) {
         ASSERT_TRUE(writer.AddCopy(source_blk, blk_src_copy));
-        source_blk += 1;
-        blk_src_copy += 1;
+        x -= 1;
+        if (x == 0) {
+            break;
+        }
+        source_blk -= 1;
+        blk_src_copy -= 1;
     }
 
-    ASSERT_EQ(blk_src_copy, blk_end_copy);
+    source_blk = num_blocks;
+    blk_src_copy = blk_end_copy;
 
     ASSERT_TRUE(writer.AddRawBlocks(source_blk, random_buffer_1_.get(), size_));
 
@@ -280,11 +286,9 @@
 
     // Flush operations
     ASSERT_TRUE(writer.Finalize());
-
     // Construct the buffer required for validation
     orig_buffer_ = std::make_unique<uint8_t[]>(total_base_size_);
     std::string zero_buffer(size_, 0);
-
     ASSERT_EQ(android::base::ReadFullyAtOffset(base_fd_, orig_buffer_.get(), size_, size_), true);
     memcpy((char*)orig_buffer_.get() + size_, random_buffer_1_.get(), size_);
     memcpy((char*)orig_buffer_.get() + (size_ * 2), (void*)zero_buffer.c_str(), size_);
diff --git a/fs_mgr/libsnapshot/snapuserd.cpp b/fs_mgr/libsnapshot/snapuserd.cpp
index 573b6a5..9ad4a1a 100644
--- a/fs_mgr/libsnapshot/snapuserd.cpp
+++ b/fs_mgr/libsnapshot/snapuserd.cpp
@@ -324,8 +324,7 @@
                 reinterpret_cast<struct disk_exception*>((char*)unmerged_buffer + offset);
 
         // Unmerged op by the kernel
-        if (merged_de->old_chunk != 0) {
-            CHECK(merged_de->new_chunk != 0);
+        if (merged_de->old_chunk != 0 || merged_de->new_chunk != 0) {
             CHECK(merged_de->old_chunk == cow_de->old_chunk);
             CHECK(merged_de->new_chunk == cow_de->new_chunk);
 
@@ -334,11 +333,6 @@
             continue;
         }
 
-        // Merge complete on this exception. However, we don't know how many
-        // merged in this cycle; hence break here.
-        CHECK(merged_de->new_chunk == 0);
-        CHECK(merged_de->old_chunk == 0);
-
         break;
     }
 
diff --git a/fs_mgr/libvbmeta/Android.bp b/fs_mgr/libvbmeta/Android.bp
index bceabab..c882e51 100644
--- a/fs_mgr/libvbmeta/Android.bp
+++ b/fs_mgr/libvbmeta/Android.bp
@@ -50,4 +50,7 @@
         "avbtool",
         "vbmake",
     ],
+    data: [
+        "data/*",
+    ],
 }
\ No newline at end of file
diff --git a/fs_mgr/libvbmeta/data/testkey_rsa2048.pem b/fs_mgr/libvbmeta/data/testkey_rsa2048.pem
new file mode 100644
index 0000000..867dcff
--- /dev/null
+++ b/fs_mgr/libvbmeta/data/testkey_rsa2048.pem
@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEowIBAAKCAQEAxlVR3TIkouAOvH79vaJTgFhpfvVKQIeVkFRZPVXK/zY0Gvrh
+4JAqGjJoW/PfrQv5sdD36qtHH3a+G5hLZ6Ni+t/mtfjucxZfuLGC3kmJ1T3XqEKZ
+gXXI2IR7vVSoImREvDQGEDyJwtHzLANlkbGg0cghVhWZSCAndO8BenalC2v94/rt
+DfkPekH6dgU3Sf40T0sBSeSY94mOzTaqOR2pfV1rWlLRdWmo33zeHBv52Rlbt0dM
+uXAureXWiHztkm5GCBC1dgM+CaxNtizNEgC91KcD0xuRCCM2WxH+r1lpszyIJDct
+YbrFmVEYl/kjQpafhy7Nsk1fqSTyRdriZSYmTQIDAQABAoIBAQC+kJgaCuX8wYAn
+SXWQ0fmdZlXnMNRpcF0a0pD0SAzGb1RdYBXMaXiqtyhiwc53PPxsCDdNecjayIMd
+jJVXPTwLhTruOgMS/bp3gcgWwV34UHV4LJXGOGAE+jbS0hbDBMiudOYmj6RmVshp
+z9G1zZCSQNMXHaWsEYkX59XpzzoB384nRul2QgEtwzUNR9XlpzgtJBLk3SACkvsN
+mQ/DW8IWHXLg8vLn1LzVJ2e3B16H4MoE2TCHxqfMgr03IDRRJogkenQuQsFhevYT
+o/mJyHSWavVgzMHG9I5m+eepF4Wyhj1Y4WyKAuMI+9dHAX/h7Lt8XFCQCh5DbkVG
+zGr34sWBAoGBAOs7n7YZqNaaguovfIdRRsxxZr1yJAyDsr6w3yGImDZYju4c4WY9
+5esO2kP3FA4p0c7FhQF5oOb1rBuHEPp36cpL4aGeK87caqTfq63WZAujoTZpr9Lp
+BRbkL7w/xG7jpQ/clpA8sHzHGQs/nelxoOtC7E118FiRgvD/jdhlMyL9AoGBANfX
+vyoN1pplfT2xR8QOjSZ+Q35S/+SAtMuBnHx3l0qH2bbBjcvM1MNDWjnRDyaYhiRu
+i+KA7tqfib09+XpB3g5D6Ov7ls/Ldx0S/VcmVWtia2HK8y8iLGtokoBZKQ5AaFX2
+iQU8+tC4h69GnJYQKqNwgCUzh8+gHX5Y46oDiTmRAoGAYpOx8lX+czB8/Da6MNrW
+mIZNT8atZLEsDs2ANEVRxDSIcTCZJId7+m1W+nRoaycLTWNowZ1+2ErLvR10+AGY
+b7Ys79Wg9idYaY9yGn9lnZsMzAiuLeyIvXcSqgjvAKlVWrhOQFOughvNWvFl85Yy
+oWSCMlPiTLtt7CCsCKsgKuECgYBgdIp6GZsIfkgclKe0hqgvRoeU4TR3gcjJlM9A
+lBTo+pKhaBectplx9RxR8AnsPobbqwcaHnIfAuKDzjk5mEvKZjClnFXF4HAHbyAF
+nRzZEy9XkWFhc80T5rRpZO7C7qdxmu2aiKixM3V3L3/0U58qULEDbubHMw9bEhAT
+PudI8QKBgHEEiMm/hr9T41hbQi/LYanWnlFw1ue+osKuF8bXQuxnnHNuFT/c+9/A
+vWhgqG6bOEHu+p/IPrYm4tBMYlwsyh4nXCyGgDJLbLIfzKwKAWCtH9LwnyDVhOow
+GH9shdR+sW3Ew97xef02KAH4VlNANEmBV4sQNqWWvsYrcFm2rOdL
+-----END RSA PRIVATE KEY-----
diff --git a/fs_mgr/libvbmeta/super_vbmeta_test.cpp b/fs_mgr/libvbmeta/super_vbmeta_test.cpp
index daed0d1..7329a61 100644
--- a/fs_mgr/libvbmeta/super_vbmeta_test.cpp
+++ b/fs_mgr/libvbmeta/super_vbmeta_test.cpp
@@ -54,7 +54,7 @@
     cmd << "avbtool add_hashtree_footer"
         << " --image " << file_name << " --partition_name " << partition_name
         << " --partition_size " << FAKE_PARTITION_SIZE << " --algorithm SHA256_RSA2048"
-        << " --key external/avb/test/data/testkey_rsa2048.pem";
+        << " --key data/testkey_rsa2048.pem";
 
     int rc = system(cmd.str().c_str());
     EXPECT_TRUE(WIFEXITED(rc));
diff --git a/trusty/keymaster/TrustyKeymaster.cpp b/trusty/keymaster/TrustyKeymaster.cpp
index 5690031..23e0433 100644
--- a/trusty/keymaster/TrustyKeymaster.cpp
+++ b/trusty/keymaster/TrustyKeymaster.cpp
@@ -37,6 +37,12 @@
     if (versionRsp.error != KM_ERROR_OK) {
         ALOGW("TA appears not to support GetVersion2, falling back (err = %d)", versionRsp.error);
 
+        err = trusty_keymaster_connect();
+        if (err) {
+            ALOGE("Failed to connect to trusty keymaster %d", err);
+            return err;
+        }
+
         GetVersionRequest versionReq;
         GetVersionResponse versionRsp;
         GetVersion(versionReq, &versionRsp);