Merge "rootdir: init.rc: mount tracefs" into rvc-dev
diff --git a/base/file.cpp b/base/file.cpp
index 6321fc6..97cc2b2 100644
--- a/base/file.cpp
+++ b/base/file.cpp
@@ -225,7 +225,7 @@
     content->reserve(sb.st_size);
   }
 
-  char buf[BUFSIZ];
+  char buf[BUFSIZ] __attribute__((__uninitialized__));
   ssize_t n;
   while ((n = TEMP_FAILURE_RETRY(read(fd.get(), &buf[0], sizeof(buf)))) > 0) {
     content->append(buf, n);
diff --git a/base/logging.cpp b/base/logging.cpp
index 6e9c67f..5bd21da 100644
--- a/base/logging.cpp
+++ b/base/logging.cpp
@@ -260,7 +260,7 @@
   // The kernel's printk buffer is only 1024 bytes.
   // TODO: should we automatically break up long lines into multiple lines?
   // Or we could log but with something like "..." at the end?
-  char buf[1024];
+  char buf[1024] __attribute__((__uninitialized__));
   size_t size = snprintf(buf, sizeof(buf), "<%d>%s: %.*s\n", level, tag, length, msg);
   if (size > sizeof(buf)) {
     size = snprintf(buf, sizeof(buf), "<%d>%s: %zu-byte message too long for printk\n",
diff --git a/base/stringprintf.cpp b/base/stringprintf.cpp
index 78e1e8d..e83ab13 100644
--- a/base/stringprintf.cpp
+++ b/base/stringprintf.cpp
@@ -25,7 +25,7 @@
 
 void StringAppendV(std::string* dst, const char* format, va_list ap) {
   // First try with a small fixed size buffer
-  char space[1024];
+  char space[1024] __attribute__((__uninitialized__));
 
   // It's possible for methods that use a va_list to invalidate
   // the data in it upon use.  The fix is to make a copy
diff --git a/fastboot/fuzzy_fastboot/main.cpp b/fastboot/fuzzy_fastboot/main.cpp
index d9167e7..e7f785b 100644
--- a/fastboot/fuzzy_fastboot/main.cpp
+++ b/fastboot/fuzzy_fastboot/main.cpp
@@ -261,6 +261,10 @@
     GTEST_LOG_(INFO) << "Flashing a logical partition..";
     EXPECT_EQ(fb->FlashPartition(test_partition_name, buf), SUCCESS)
             << "flash logical -partition failed";
+
+    GTEST_LOG_(INFO) << "Testing 'fastboot delete-logical-partition' command";
+    EXPECT_EQ(fb->DeletePartition(test_partition_name), SUCCESS)
+            << "delete logical-partition failed";
 }
 
 // Conformance tests
diff --git a/fs_mgr/libsnapshot/test_helpers.cpp b/fs_mgr/libsnapshot/test_helpers.cpp
index b036606..f82a602 100644
--- a/fs_mgr/libsnapshot/test_helpers.cpp
+++ b/fs_mgr/libsnapshot/test_helpers.cpp
@@ -212,8 +212,8 @@
         return AssertionFailure() << strerror(errno);
     }
     bsize_ = buf.f_bsize;
-    free_space_ = buf.f_bsize * buf.f_bfree;
-    available_space_ = buf.f_bsize * buf.f_bavail;
+    free_space_ = bsize_ * buf.f_bfree;
+    available_space_ = bsize_ * buf.f_bavail;
     return AssertionSuccess();
 }
 
diff --git a/init/init_test.cpp b/init/init_test.cpp
index caf3e03..07b4724 100644
--- a/init/init_test.cpp
+++ b/init/init_test.cpp
@@ -239,6 +239,28 @@
     EXPECT_EQ(6, num_executed);
 }
 
+TEST(init, RejectsCriticalAndOneshotService) {
+    std::string init_script =
+            R"init(
+service A something
+  class first
+  critical
+  oneshot
+)init";
+
+    TemporaryFile tf;
+    ASSERT_TRUE(tf.fd != -1);
+    ASSERT_TRUE(android::base::WriteStringToFd(init_script, tf.fd));
+
+    ServiceList service_list;
+    Parser parser;
+    parser.AddSectionParser("service",
+                            std::make_unique<ServiceParser>(&service_list, nullptr, std::nullopt));
+
+    ASSERT_TRUE(parser.ParseConfig(tf.path));
+    ASSERT_EQ(1u, parser.parse_error_count());
+}
+
 }  // namespace init
 }  // namespace android
 
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 72f0450..e89f74a 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -758,20 +758,24 @@
 
 static Result<void> DoUserspaceReboot() {
     LOG(INFO) << "Userspace reboot initiated";
-    auto guard = android::base::make_scope_guard([] {
+    // An ugly way to pass a more precise reason on why fallback to hard reboot was triggered.
+    std::string sub_reason = "";
+    auto guard = android::base::make_scope_guard([&sub_reason] {
         // Leave shutdown so that we can handle a full reboot.
         LeaveShutdown();
-        trigger_shutdown("reboot,userspace_failed,shutdown_aborted");
+        trigger_shutdown("reboot,userspace_failed,shutdown_aborted," + sub_reason);
     });
     // Triggering userspace-reboot-requested will result in a bunch of setprop
     // actions. We should make sure, that all of them are propagated before
     // proceeding with userspace reboot. Synchronously setting sys.init.userspace_reboot.in_progress
     // property is not perfect, but it should do the trick.
     if (!android::sysprop::InitProperties::userspace_reboot_in_progress(true)) {
+        sub_reason = "setprop";
         return Error() << "Failed to set sys.init.userspace_reboot.in_progress property";
     }
     EnterShutdown();
     if (!SetProperty("sys.powerctl", "")) {
+        sub_reason = "resetprop";
         return Error() << "Failed to reset sys.powerctl property";
     }
     std::vector<Service*> stop_first;
@@ -800,18 +804,22 @@
     StopServicesAndLogViolations(stop_first, sigterm_timeout, true /* SIGTERM */);
     if (int r = StopServicesAndLogViolations(stop_first, sigkill_timeout, false /* SIGKILL */);
         r > 0) {
+        sub_reason = "sigkill";
         // TODO(b/135984674): store information about offending services for debugging.
         return Error() << r << " post-data services are still running";
     }
     if (auto result = KillZramBackingDevice(); !result.ok()) {
+        sub_reason = "zram";
         return result;
     }
     if (auto result = CallVdc("volume", "reset"); !result.ok()) {
+        sub_reason = "vold_reset";
         return result;
     }
     if (int r = StopServicesAndLogViolations(GetDebuggingServices(true /* only_post_data */),
                                              sigkill_timeout, false /* SIGKILL */);
         r > 0) {
+        sub_reason = "sigkill_debug";
         // TODO(b/135984674): store information about offending services for debugging.
         return Error() << r << " debugging services are still running";
     }
@@ -822,9 +830,11 @@
         LOG(INFO) << "sync() took " << sync_timer;
     }
     if (auto result = UnmountAllApexes(); !result.ok()) {
+        sub_reason = "apex";
         return result;
     }
     if (!SwitchToBootstrapMountNamespaceIfNeeded()) {
+        sub_reason = "ns_switch";
         return Error() << "Failed to switch to bootstrap namespace";
     }
     // Remove services that were defined in an APEX.
diff --git a/init/service_parser.cpp b/init/service_parser.cpp
index 560f693..c54ed71 100644
--- a/init/service_parser.cpp
+++ b/init/service_parser.cpp
@@ -598,6 +598,13 @@
         }
     }
 
+    if (SelinuxGetVendorAndroidVersion() >= __ANDROID_API_R__) {
+        if ((service_->flags() & SVC_CRITICAL) != 0 && (service_->flags() & SVC_ONESHOT) != 0) {
+            return Error() << "service '" << service_->name()
+                           << "' can't be both critical and oneshot";
+        }
+    }
+
     Service* old_service = service_list_->FindService(service_->name());
     if (old_service) {
         if (!service_->is_override()) {
diff --git a/logd/tests/logd_test.cpp b/logd/tests/logd_test.cpp
index d0945f3..10bac62 100644
--- a/logd/tests/logd_test.cpp
+++ b/logd/tests/logd_test.cpp
@@ -582,6 +582,7 @@
         "dumpAndClose lids=0,1,2,3,4,5 timeout=6 start=0.000000000");
 }
 
+#ifdef ENABLE_FLAKY_TESTS
 // b/26447386 refined behavior
 TEST(logd, timeout) {
 #ifdef __ANDROID__
@@ -716,6 +717,7 @@
     GTEST_LOG_(INFO) << "This test does nothing.\n";
 #endif
 }
+#endif
 
 // b/27242723 confirmed fixed
 TEST(logd, SNDTIMEO) {