Merge "Reland "Remove obsolete ueventd.rc rules.""
diff --git a/adb/client/adb_install.cpp b/adb/client/adb_install.cpp
index 079a975..054cbac 100644
--- a/adb/client/adb_install.cpp
+++ b/adb/client/adb_install.cpp
@@ -331,11 +331,6 @@
         error_exit("Attempting to use streaming install on unsupported device");
     }
 
-    if (use_fastdeploy == true && is_reinstall == false) {
-        printf("Fast Deploy is only available with -r.\n");
-        use_fastdeploy = false;
-    }
-
     if (use_fastdeploy == true && get_device_api_level() < kFastDeployMinApi) {
         printf("Fast Deploy is only compatible with devices of API version %d or higher, "
                "ignoring.\n",
@@ -350,10 +345,17 @@
             passthrough_argv.push_back(argv[i]);
         }
     }
+    if (passthrough_argv.size() < 2) {
+        error_exit("install requires an apk argument");
+    }
 
     if (use_fastdeploy == true) {
         fastdeploy_set_local_agent(use_localagent);
         update_agent(agent_update_strategy);
+
+        // The last argument must be the APK file
+        const char* file = passthrough_argv.back();
+        use_fastdeploy = find_package(file);
     }
 
     switch (installMode) {
diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index c8e834e..8676214 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -154,8 +154,8 @@
         "     --instant: cause the app to be installed as an ephemeral install app\n"
         "     --no-streaming: always push APK to device and invoke Package Manager as separate steps\n"
         "     --streaming: force streaming APK directly into Package Manager\n"
-        "     --fastdeploy: use fast deploy (only valid with -r)\n"
-        "     --no-fastdeploy: prevent use of fast deploy (only valid with -r)\n"
+        "     --fastdeploy: use fast deploy\n"
+        "     --no-fastdeploy: prevent use of fast deploy\n"
         "     --force-agent: force update of deployment agent when using fast deploy\n"
         "     --date-check-agent: update deployment agent when local version is newer and using fast deploy\n"
         "     --version-check-agent: update deployment agent when local version has different version code and using fast deploy\n"
diff --git a/adb/client/fastdeploy.cpp b/adb/client/fastdeploy.cpp
index e82f15a..f4e8664 100644
--- a/adb/client/fastdeploy.cpp
+++ b/adb/client/fastdeploy.cpp
@@ -16,6 +16,7 @@
 
 #include "fastdeploy.h"
 
+#include <string.h>
 #include <algorithm>
 #include <array>
 #include <memory>
@@ -31,7 +32,7 @@
 
 #include "adb_utils.h"
 
-static constexpr long kRequiredAgentVersion = 0x00000001;
+static constexpr long kRequiredAgentVersion = 0x00000002;
 
 static constexpr const char* kDeviceAgentPath = "/data/local/tmp/";
 
@@ -313,9 +314,16 @@
     std::vector<unsigned char> applyErrorBuffer;
     std::string argsString;
 
+    bool rSwitchPresent = false;
     for (int i = 0; i < argc; i++) {
         argsString.append(argv[i]);
         argsString.append(" ");
+        if (!strcmp(argv[i], "-r")) {
+            rSwitchPresent = true;
+        }
+    }
+    if (!rSwitchPresent) {
+        argsString.append("-r");
     }
 
     std::string applyPatchCommand =
@@ -326,3 +334,9 @@
         error_exit("Executing %s returned %d", applyPatchCommand.c_str(), returnCode);
     }
 }
+
+bool find_package(const char* apkPath) {
+    const std::string findCommand =
+            "/data/local/tmp/deployagent find " + get_packagename_from_apk(apkPath);
+    return !send_shell_command(findCommand);
+}
diff --git a/adb/client/fastdeploy.h b/adb/client/fastdeploy.h
index a6b10d3..7b7f2ec 100644
--- a/adb/client/fastdeploy.h
+++ b/adb/client/fastdeploy.h
@@ -32,3 +32,4 @@
 void apply_patch_on_device(const char* apkPath, const char* patchPath, const char* outputPath);
 void install_patch(const char* apkPath, const char* patchPath, int argc, const char** argv);
 std::string get_patch_path(const char* apkPath);
+bool find_package(const char* apkPath);
diff --git a/adb/fastdeploy/deployagent/src/com/android/fastdeploy/DeployAgent.java b/adb/fastdeploy/deployagent/src/com/android/fastdeploy/DeployAgent.java
index 17845e2..2d3b135 100644
--- a/adb/fastdeploy/deployagent/src/com/android/fastdeploy/DeployAgent.java
+++ b/adb/fastdeploy/deployagent/src/com/android/fastdeploy/DeployAgent.java
@@ -35,7 +35,7 @@
 
 public final class DeployAgent {
     private static final int BUFFER_SIZE = 128 * 1024;
-    private static final int AGENT_VERSION = 0x00000001;
+    private static final int AGENT_VERSION = 0x00000002;
 
     public static void main(String[] args) {
         int exitCode = 0;
@@ -53,6 +53,15 @@
 
                 String packageName = args[1];
                 extractMetaData(packageName);
+            } else if (commandString.equals("find")) {
+                if (args.length != 2) {
+                    showUsage(1);
+                }
+
+                String packageName = args[1];
+                if (getFilenameFromPackageName(packageName) == null) {
+                    exitCode = 3;
+                }
             } else if (commandString.equals("apply")) {
                 if (args.length < 4) {
                     showUsage(1);
@@ -112,6 +121,7 @@
             "usage: deployagent <command> [<args>]\n\n" +
             "commands:\n" +
             "version                             get the version\n" +
+            "find PKGNAME                        return zero if package found, else non-zero\n" +
             "extract PKGNAME                     extract an installed package's metadata\n" +
             "apply PKGNAME PATCHFILE [-o|-pm]    apply a patch from PATCHFILE (- for stdin) to an installed package\n" +
             " -o <FILE> directs output to FILE, default or - for stdout\n" +
@@ -134,7 +144,7 @@
         return null;
     }
 
-    private static File getFileFromPackageName(String packageName) throws IOException {
+    private static String getFilenameFromPackageName(String packageName) throws IOException {
         StringBuilder commandBuilder = new StringBuilder();
         commandBuilder.append("pm list packages -f " + packageName);
 
@@ -153,10 +163,19 @@
                 int equalsIndex = line.lastIndexOf(packageSuffix);
                 String fileName =
                     line.substring(packageIndex + packagePrefix.length(), equalsIndex);
-                return new File(fileName);
+                return fileName;
             }
         }
-        throw new IOException("package not found");
+        return null;
+    }
+
+    private static File getFileFromPackageName(String packageName) throws IOException {
+        String filename = getFilenameFromPackageName(packageName);
+        if (filename == null) {
+            // Should not happen (function is only called when we know the package exists)
+            throw new IOException("package not found");
+        }
+        return new File(filename);
     }
 
     private static void extractMetaData(String packageName) throws IOException {
diff --git a/debuggerd/libdebuggerd/test/tombstone_test.cpp b/debuggerd/libdebuggerd/test/tombstone_test.cpp
index 421ce43..d24c887 100644
--- a/debuggerd/libdebuggerd/test/tombstone_test.cpp
+++ b/debuggerd/libdebuggerd/test/tombstone_test.cpp
@@ -15,6 +15,7 @@
  */
 
 #include <stdlib.h>
+#include <time.h>
 
 #include <memory>
 #include <string>
@@ -494,3 +495,10 @@
   expected += android::base::StringPrintf("ABI: '%s'\n", ABI_STRING);
   ASSERT_STREQ(expected.c_str(), amfd_data_.c_str());
 }
+
+TEST_F(TombstoneTest, dump_timestamp) {
+  setenv("TZ", "UTC", 1);
+  tzset();
+  dump_timestamp(&log_, 0);
+  ASSERT_STREQ("Timestamp: 1970-01-01 00:00:00+0000\n", amfd_data_.c_str());
+}
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index 1179263..b20014f 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -78,6 +78,15 @@
   _LOG(log, logtype::HEADER, "ABI: '%s'\n", ABI_STRING);
 }
 
+static void dump_timestamp(log_t* log, time_t time) {
+  struct tm tm;
+  localtime_r(&time, &tm);
+
+  char buf[strlen("1970-01-01 00:00:00+0830") + 1];
+  strftime(buf, sizeof(buf), "%F %T%z", &tm);
+  _LOG(log, logtype::HEADER, "Timestamp: %s\n", buf);
+}
+
 static void dump_probable_cause(log_t* log, const siginfo_t* si, BacktraceMap* map) {
   std::string cause;
   if (si->si_signo == SIGSEGV && si->si_code == SEGV_MAPERR) {
@@ -654,6 +663,7 @@
 
   _LOG(&log, logtype::HEADER, "*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***\n");
   dump_header_info(&log);
+  dump_timestamp(&log, time(nullptr));
 
   auto it = threads.find(target_thread);
   if (it == threads.end()) {
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index 8757689..88f7a2c 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -615,7 +615,7 @@
 // Sets errno to match the 1st mount failure on failure.
 static bool mount_with_alternatives(const Fstab& fstab, int start_idx, int* end_idx,
                                     int* attempted_idx) {
-    int i;
+    unsigned long i;
     int mount_errno = 0;
     bool mounted = false;
 
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index bd9d675..e0891eb 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -154,7 +154,7 @@
     return 0;
 }
 
-static const char* flag_to_encryption_mode(const struct flag_list* list, int flag) {
+static const char* flag_to_encryption_mode(const struct flag_list* list, uint64_t flag) {
     const struct flag_list *j;
 
     for (j = list; j->name; ++j) {
diff --git a/init/first_stage_mount.cpp b/init/first_stage_mount.cpp
index c96c381..acefdf0 100644
--- a/init/first_stage_mount.cpp
+++ b/init/first_stage_mount.cpp
@@ -42,6 +42,7 @@
 #include "uevent_listener.h"
 #include "util.h"
 
+using android::base::ReadFileToString;
 using android::base::Split;
 using android::base::Timer;
 using android::fs_mgr::AvbHandle;
@@ -73,6 +74,8 @@
     bool CreateLogicalPartitions();
     bool MountPartition(FstabEntry* fstab_entry);
     bool MountPartitions();
+    bool TrySwitchSystemAsRoot();
+    bool TrySkipMountingPartitions();
     bool IsDmLinearEnabled();
     bool GetDmLinearMetadataDevice();
     bool InitDmLinearBackingDevices(const android::fs_mgr::LpMetadata& metadata);
@@ -398,10 +401,10 @@
     return true;
 }
 
-bool FirstStageMount::MountPartitions() {
-    // If system is in the fstab then we're not a system-as-root device, and in
-    // this case, we mount system first then pivot to it.  From that point on,
-    // we are effectively identical to a system-as-root device.
+// If system is in the fstab then we're not a system-as-root device, and in
+// this case, we mount system first then pivot to it.  From that point on,
+// we are effectively identical to a system-as-root device.
+bool FirstStageMount::TrySwitchSystemAsRoot() {
     auto system_partition = std::find_if(fstab_.begin(), fstab_.end(), [](const auto& entry) {
         return entry.mount_point == "/system";
     });
@@ -416,6 +419,44 @@
         fstab_.erase(system_partition);
     }
 
+    return true;
+}
+
+// For GSI to skip mounting /product and /product_services, until there are
+// well-defined interfaces between them and /system. Otherwise, the GSI flashed
+// on /system might not be able to work with /product and /product_services.
+// When they're skipped here, /system/product and /system/product_services in
+// GSI will be used.
+bool FirstStageMount::TrySkipMountingPartitions() {
+    constexpr const char kSkipMountConfig[] = "/system/etc/init/config/skip_mount.cfg";
+
+    std::string skip_config;
+    if (!ReadFileToString(kSkipMountConfig, &skip_config)) {
+        return true;
+    }
+
+    for (const auto& skip_mount_point : Split(skip_config, "\n")) {
+        if (skip_mount_point.empty()) {
+            continue;
+        }
+        auto removing_entry =
+                std::find_if(fstab_.begin(), fstab_.end(), [&skip_mount_point](const auto& entry) {
+                    return entry.mount_point == skip_mount_point;
+                });
+        if (removing_entry != fstab_.end()) {
+            fstab_.erase(removing_entry);
+            LOG(INFO) << "Skip mounting partition: " << skip_mount_point;
+        }
+    }
+
+    return true;
+}
+
+bool FirstStageMount::MountPartitions() {
+    if (!TrySwitchSystemAsRoot()) return false;
+
+    if (!TrySkipMountingPartitions()) return false;
+
     for (auto& fstab_entry : fstab_) {
         if (!MountPartition(&fstab_entry) && !fstab_entry.fs_mgr_flags.no_fail) {
             return false;
diff --git a/llkd/README.md b/llkd/README.md
index 3da7a2f..224e184 100644
--- a/llkd/README.md
+++ b/llkd/README.md
@@ -160,7 +160,7 @@
 NB: false is a very very very unlikely process to want to blacklist.
 
 #### ro.llk.blacklist.parent
-default 0,2 (kernel and [kthreadd]).
+default 0,2,adbd (kernel, [kthreadd] and adbd).
 The string "*false*" is the equivalent to an *empty* list.
 Do not watch processes that have this parent.
 A parent process can be comm, cmdline or pid reference.
diff --git a/llkd/include/llkd.h b/llkd/include/llkd.h
index b16b1d8..1efa32b 100644
--- a/llkd/include/llkd.h
+++ b/llkd/include/llkd.h
@@ -55,7 +55,11 @@
 #define LLK_BLACKLIST_PROCESS_DEFAULT  \
     "0,1,2,init,[kthreadd],[khungtaskd],lmkd,llkd,watchdogd,[watchdogd],[watchdogd/0]"
 #define LLK_BLACKLIST_PARENT_PROPERTY  "ro.llk.blacklist.parent"
+#ifdef __PTRACE_ENABLED__  // defined if userdebug build
+#define LLK_BLACKLIST_PARENT_DEFAULT   "0,2,[kthreadd],adbd"
+#else
 #define LLK_BLACKLIST_PARENT_DEFAULT   "0,2,[kthreadd]"
+#endif
 #define LLK_BLACKLIST_UID_PROPERTY     "ro.llk.blacklist.uid"
 #define LLK_BLACKLIST_UID_DEFAULT      ""
 #define LLK_BLACKLIST_STACK_PROPERTY   "ro.llk.blacklist.process.stack"
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 349168e..6fb1a8b 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -583,8 +583,8 @@
     # Set SELinux security contexts on upgrade or policy update.
     restorecon --recursive --skip-ce /data
 
-    # Check any timezone data in /data is newer than the copy in /system, delete if not.
-    exec - system system -- /system/bin/tzdatacheck /system/usr/share/zoneinfo /data/misc/zoneinfo
+    # Check any timezone data in /data is newer than the copy in the runtime module, delete if not.
+    exec - system system -- /system/bin/tzdatacheck /apex/com.android.runtime/etc/tz /data/misc/zoneinfo
 
     # If there is no post-fs-data action in the init.<device>.rc file, you
     # must uncomment this line, otherwise encrypted filesystems