Merge "Clarify RpcServer shutdown error for corner case"
diff --git a/cmds/atrace/Android.bp b/cmds/atrace/Android.bp
index aa0ef25..1c4e63e 100644
--- a/cmds/atrace/Android.bp
+++ b/cmds/atrace/Android.bp
@@ -38,6 +38,7 @@
     ],
 
     init_rc: ["atrace.rc"],
+    required: ["ftrace_synthetic_events.conf"],
 
     product_variables: {
         debuggable: {
@@ -45,3 +46,8 @@
         },
     },
 }
+
+prebuilt_etc {
+    name: "ftrace_synthetic_events.conf",
+    src: "ftrace_synthetic_events.conf",
+}
diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 07e586e..6469e95 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -291,12 +291,10 @@
 # Setup synthetic events
     chmod 0666 /sys/kernel/tracing/synthetic_events
     chmod 0666 /sys/kernel/debug/tracing/synthetic_events
+    copy /system/etc/ftrace_synthetic_events.conf /sys/kernel/tracing/synthetic_events
+    copy /system/etc/ftrace_synthetic_events.conf /sys/kernel/debug/tracing/synthetic_events
 
-    # rss_stat_throttled
-    write /sys/kernel/tracing/synthetic_events "rss_stat_throttled unsigned int mm_id; unsigned int curr; int member; long size"
-    write /sys/kernel/debug/tracing/synthetic_events "rss_stat_throttled unsigned int mm_id; unsigned int curr; int member; long size"
-
-    # allow creating event triggers
+    # allow creating rss_stat event triggers
     chmod 0666 /sys/kernel/tracing/events/kmem/rss_stat/trigger
     chmod 0666 /sys/kernel/debug/tracing/events/kmem/rss_stat/trigger
 
@@ -304,6 +302,14 @@
     chmod 0666 /sys/kernel/tracing/events/synthetic/rss_stat_throttled/enable
     chmod 0666 /sys/kernel/debug/tracing/events/synthetic/rss_stat_throttled/enable
 
+    # allow creating suspend_resume triggers
+    chmod 0666 /sys/kernel/tracing/events/power/suspend_resume/trigger
+    chmod 0666 /sys/kernel/debug/tracing/events/power/suspend_resume/trigger
+
+    # allow enabling suspend_resume_minimal
+    chmod 0666 /sys/kernel/tracing/events/synthetic/suspend_resume_minimal/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/synthetic/suspend_resume_minimal/enable
+
 on late-init && property:ro.boot.fastboot.boottrace=enabled
     setprop debug.atrace.tags.enableflags 802922
     setprop persist.traced.enable 0
diff --git a/cmds/atrace/ftrace_synthetic_events.conf b/cmds/atrace/ftrace_synthetic_events.conf
new file mode 100644
index 0000000..e2257fe
--- /dev/null
+++ b/cmds/atrace/ftrace_synthetic_events.conf
@@ -0,0 +1,2 @@
+rss_stat_throttled unsigned int mm_id; unsigned int curr; int member; long size
+suspend_resume_minimal bool start
diff --git a/cmds/cmd/fuzzer/Android.bp b/cmds/cmd/fuzzer/Android.bp
index a65f6de..faf461a 100644
--- a/cmds/cmd/fuzzer/Android.bp
+++ b/cmds/cmd/fuzzer/Android.bp
@@ -42,5 +42,13 @@
             "android-media-fuzzing-reports@google.com",
         ],
         componentid: 155276,
+        hotlists: [
+            "4593311",
+        ],
+        description: "The fuzzer targets the APIs of libcmd",
+        vector: "local_no_privileges_required",
+        service_privilege: "constrained",
+        users: "multi_user",
+        fuzzed_code_usage: "shipped",
     },
 }
diff --git a/cmds/dumpstate/dumpstate.cpp b/cmds/dumpstate/dumpstate.cpp
index d5b1b98..0e42992 100644
--- a/cmds/dumpstate/dumpstate.cpp
+++ b/cmds/dumpstate/dumpstate.cpp
@@ -2801,6 +2801,7 @@
             options->do_screenshot = false;
             break;
         case Dumpstate::BugreportMode::BUGREPORT_WEAR:
+            options->do_vibrate = false;
             options->do_progress_updates = true;
             options->do_screenshot = is_screenshot_requested;
             break;
diff --git a/cmds/dumpstate/tests/dumpstate_test.cpp b/cmds/dumpstate/tests/dumpstate_test.cpp
index 7234d41..0012177 100644
--- a/cmds/dumpstate/tests/dumpstate_test.cpp
+++ b/cmds/dumpstate/tests/dumpstate_test.cpp
@@ -285,8 +285,8 @@
 
 
     // Other options retain default values
-    EXPECT_TRUE(options_.do_vibrate);
     EXPECT_FALSE(options_.progress_updates_to_socket);
+    EXPECT_FALSE(options_.do_vibrate);
     EXPECT_FALSE(options_.show_header_only);
     EXPECT_FALSE(options_.is_remote_mode);
     EXPECT_FALSE(options_.stream_to_socket);
diff --git a/cmds/servicemanager/Android.bp b/cmds/servicemanager/Android.bp
index 1386660..d73a30b 100644
--- a/cmds/servicemanager/Android.bp
+++ b/cmds/servicemanager/Android.bp
@@ -72,6 +72,7 @@
 
 cc_test {
     name: "servicemanager_test",
+    host_supported: true,
     test_suites: ["device-tests"],
     defaults: ["servicemanager_defaults"],
     srcs: [
diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index b5daf96..980682d 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -337,26 +337,26 @@
     auto ctx = mAccess->getCallingContext();
 
     if (multiuser_get_app_id(ctx.uid) >= AID_APP) {
-        return Status::fromExceptionCode(Status::EX_SECURITY, "App UIDs cannot add services");
+        return Status::fromExceptionCode(Status::EX_SECURITY, "App UIDs cannot add services.");
     }
 
     if (!mAccess->canAdd(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denial");
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     if (binder == nullptr) {
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Null binder");
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Null binder.");
     }
 
     if (!isValidServiceName(name)) {
         ALOGE("Invalid service name: %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Invalid service name");
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Invalid service name.");
     }
 
 #ifndef VENDORSERVICEMANAGER
     if (!meetsDeclarationRequirements(binder, name)) {
         // already logged
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "VINTF declaration error");
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "VINTF declaration error.");
     }
 #endif  // !VENDORSERVICEMANAGER
 
@@ -368,7 +368,7 @@
     if (binder->remoteBinder() != nullptr &&
         binder->linkToDeath(sp<ServiceManager>::fromExisting(this)) != OK) {
         ALOGE("Could not linkToDeath when adding %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "linkToDeath failure");
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "Couldn't linkToDeath.");
     }
 
     auto it = mNameToService.find(name);
@@ -422,7 +422,7 @@
 
 Status ServiceManager::listServices(int32_t dumpPriority, std::vector<std::string>* outList) {
     if (!mAccess->canList(mAccess->getCallingContext())) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     size_t toReserve = 0;
@@ -456,18 +456,18 @@
 
     if (!isValidServiceName(name)) {
         ALOGE("Invalid service name: %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Invalid service name.");
     }
 
     if (callback == nullptr) {
-        return Status::fromExceptionCode(Status::EX_NULL_POINTER);
+        return Status::fromExceptionCode(Status::EX_NULL_POINTER, "Null callback.");
     }
 
     if (OK !=
         IInterface::asBinder(callback)->linkToDeath(
                 sp<ServiceManager>::fromExisting(this))) {
         ALOGE("Could not linkToDeath when adding %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "Couldn't link to death.");
     }
 
     mNameToRegistrationCallback[name].push_back(callback);
@@ -487,7 +487,7 @@
     auto ctx = mAccess->getCallingContext();
 
     if (!mAccess->canFind(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     bool found = false;
@@ -499,7 +499,7 @@
 
     if (!found) {
         ALOGE("Trying to unregister callback, but none exists %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "Nothing to unregister.");
     }
 
     return Status::ok();
@@ -509,7 +509,7 @@
     auto ctx = mAccess->getCallingContext();
 
     if (!mAccess->canFind(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     *outReturn = false;
@@ -537,7 +537,7 @@
     }
 
     if (outReturn->size() == 0 && allInstances.size() != 0) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     return Status::ok();
@@ -548,7 +548,7 @@
     auto ctx = mAccess->getCallingContext();
 
     if (!mAccess->canFind(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     *outReturn = std::nullopt;
@@ -577,7 +577,7 @@
     }
 
     if (outReturn->size() == 0 && apexUpdatableInstances.size() != 0) {
-        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denial");
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     return Status::ok();
@@ -588,7 +588,7 @@
     auto ctx = mAccess->getCallingContext();
 
     if (!mAccess->canFind(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     *outReturn = std::nullopt;
@@ -657,36 +657,37 @@
 Status ServiceManager::registerClientCallback(const std::string& name, const sp<IBinder>& service,
                                               const sp<IClientCallback>& cb) {
     if (cb == nullptr) {
-        return Status::fromExceptionCode(Status::EX_NULL_POINTER);
+        return Status::fromExceptionCode(Status::EX_NULL_POINTER, "Callback null.");
     }
 
     auto ctx = mAccess->getCallingContext();
     if (!mAccess->canAdd(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     auto serviceIt = mNameToService.find(name);
     if (serviceIt == mNameToService.end()) {
         ALOGE("Could not add callback for nonexistent service: %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Service doesn't exist.");
     }
 
     if (serviceIt->second.ctx.debugPid != IPCThreadState::self()->getCallingPid()) {
         ALOGW("Only a server can register for client callbacks (for %s)", name.c_str());
-        return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION);
+        return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION,
+                                         "Only service can register client callback for itself.");
     }
 
     if (serviceIt->second.binder != service) {
         ALOGW("Tried to register client callback for %s but a different service is registered "
               "under this name.",
               name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT, "Service mismatch.");
     }
 
     if (OK !=
         IInterface::asBinder(cb)->linkToDeath(sp<ServiceManager>::fromExisting(this))) {
         ALOGE("Could not linkToDeath when adding client callback for %s", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "Couldn't linkToDeath.");
     }
 
     mNameToClientCallback[name].push_back(cb);
@@ -800,24 +801,25 @@
 
 Status ServiceManager::tryUnregisterService(const std::string& name, const sp<IBinder>& binder) {
     if (binder == nullptr) {
-        return Status::fromExceptionCode(Status::EX_NULL_POINTER);
+        return Status::fromExceptionCode(Status::EX_NULL_POINTER, "Null service.");
     }
 
     auto ctx = mAccess->getCallingContext();
     if (!mAccess->canAdd(ctx, name)) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     auto serviceIt = mNameToService.find(name);
     if (serviceIt == mNameToService.end()) {
         ALOGW("Tried to unregister %s, but that service wasn't registered to begin with.",
               name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE, "Service not registered.");
     }
 
     if (serviceIt->second.ctx.debugPid != IPCThreadState::self()->getCallingPid()) {
         ALOGW("Only a server can unregister itself (for %s)", name.c_str());
-        return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION);
+        return Status::fromExceptionCode(Status::EX_UNSUPPORTED_OPERATION,
+                                         "Service can only unregister itself.");
     }
 
     sp<IBinder> storedBinder = serviceIt->second.binder;
@@ -825,14 +827,16 @@
     if (binder != storedBinder) {
         ALOGW("Tried to unregister %s, but a different service is registered under this name.",
               name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE,
+                                         "Different service registered under this name.");
     }
 
     // important because we don't have timer-based guarantees, we don't want to clear
     // this
     if (serviceIt->second.guaranteeClient) {
         ALOGI("Tried to unregister %s, but there is about to be a client.", name.c_str());
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE,
+                                         "Can't unregister, pending client.");
     }
 
     // - kernel driver will hold onto one refcount (during this transaction)
@@ -847,7 +851,8 @@
         // help reduce thrashing, but we should be able to remove it.
         serviceIt->second.guaranteeClient = true;
 
-        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE);
+        return Status::fromExceptionCode(Status::EX_ILLEGAL_STATE,
+                                         "Can't unregister, known client.");
     }
 
     ALOGI("Unregistering %s", name.c_str());
@@ -858,7 +863,7 @@
 
 Status ServiceManager::getServiceDebugInfo(std::vector<ServiceDebugInfo>* outReturn) {
     if (!mAccess->canList(mAccess->getCallingContext())) {
-        return Status::fromExceptionCode(Status::EX_SECURITY);
+        return Status::fromExceptionCode(Status::EX_SECURITY, "SELinux denied.");
     }
 
     outReturn->reserve(mNameToService.size());
diff --git a/libs/binder/TEST_MAPPING b/libs/binder/TEST_MAPPING
index 07b38d7..41707d4 100644
--- a/libs/binder/TEST_MAPPING
+++ b/libs/binder/TEST_MAPPING
@@ -79,6 +79,12 @@
     },
     {
       "name": "rustBinderSerializationTest"
+    },
+    {
+      "name": "libbinder_ndk_bindgen_test"
+    },
+    {
+      "name": "libbinder_rpc_unstable_bindgen_test"
     }
   ],
   "presubmit-large": [
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index 61a047b..873e955 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -238,6 +238,13 @@
         "binderRpcUniversalTests.cpp",
     ],
 
+    // This test uses a lot of resources and takes a long time. Due to
+    // design of several tests, it is also very sensitive to resource
+    // contention on the device. b/276820894
+    test_options: {
+        unit_test: false,
+    },
+
     test_suites: ["general-tests"],
     require_root: true,
 
diff --git a/libs/binder/tests/binderRpcTest.cpp b/libs/binder/tests/binderRpcTest.cpp
index 8d1def1..504b3ce 100644
--- a/libs/binder/tests/binderRpcTest.cpp
+++ b/libs/binder/tests/binderRpcTest.cpp
@@ -382,9 +382,16 @@
                 status = session->setupPreconnectedClient({}, [=]() {
 #ifdef BINDER_RPC_TO_TRUSTY_TEST
                     auto port = trustyIpcPort(serverVersion);
-                    int tipcFd = tipc_connect(kTrustyIpcDevice, port.c_str());
-                    return tipcFd >= 0 ? android::base::unique_fd(tipcFd)
-                                       : android::base::unique_fd();
+                    for (size_t i = 0; i < 5; i++) {
+                        // Try to connect several times,
+                        // in case the service is slow to start
+                        int tipcFd = tipc_connect(kTrustyIpcDevice, port.c_str());
+                        if (tipcFd >= 0) {
+                            return android::base::unique_fd(tipcFd);
+                        }
+                        usleep(50000);
+                    }
+                    return android::base::unique_fd();
 #else
                     LOG_ALWAYS_FATAL("Tried to connect to Trusty outside of vendor");
                     return android::base::unique_fd();
diff --git a/libs/binder/tests/parcel_fuzzer/binder.cpp b/libs/binder/tests/parcel_fuzzer/binder.cpp
index 6da7a5b..46d387c 100644
--- a/libs/binder/tests/parcel_fuzzer/binder.cpp
+++ b/libs/binder/tests/parcel_fuzzer/binder.cpp
@@ -374,7 +374,8 @@
         parcelables::GenericDataParcelable genericDataParcelable;
         status_t status = genericDataParcelable.readFromParcel(&p);
         FUZZ_LOG() << " status: " << status;
-        FUZZ_LOG() << " toString() result: " << genericDataParcelable.toString();
+        std::string toString = genericDataParcelable.toString();
+        FUZZ_LOG() << " toString() result: " << toString;
     },
 };
 // clang-format on
diff --git a/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp b/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp
index 08eb27a..3a1471e 100644
--- a/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp
+++ b/libs/binder/tests/parcel_fuzzer/binder_ndk.cpp
@@ -198,6 +198,8 @@
             aidl::parcelables::GenericDataParcelable genericDataParcelable;
             binder_status_t status = genericDataParcelable.readFromParcel(p.aParcel());
             FUZZ_LOG() << "status: " << status;
+            std::string toString = genericDataParcelable.toString();
+            FUZZ_LOG() << "toString() result: " << toString;
         },
         [](const NdkParcelAdapter& p, FuzzedDataProvider& provider) {
             FUZZ_LOG() << "about to marshal AParcel";
diff --git a/libs/binder/tests/parcel_fuzzer/parcelables/GenericDataParcelable.aidl b/libs/binder/tests/parcel_fuzzer/parcelables/GenericDataParcelable.aidl
index 01e6999..dd08f72 100644
--- a/libs/binder/tests/parcel_fuzzer/parcelables/GenericDataParcelable.aidl
+++ b/libs/binder/tests/parcel_fuzzer/parcelables/GenericDataParcelable.aidl
@@ -16,6 +16,14 @@
 package parcelables;
 
 parcelable GenericDataParcelable {
+    enum JustSomeEnum {
+        SOME_ENUMERATOR,
+        ANOTHER_ENUMERATOR,
+        MAYBE_ONE_MORE_ENUMERATOR,
+    }
+
+    const int COOL_CONSTANT = 0x1234;
+
     int data;
     float majorVersion;
     float minorVersion;
@@ -25,4 +33,6 @@
     String greatString;
     @utf8InCpp
     String greaterString;
+    @nullable String nullableString;
+    JustSomeEnum gretEnum = JustSomeEnum.ANOTHER_ENUMERATOR;
 }
diff --git a/libs/binder/trusty/RpcServerTrusty.cpp b/libs/binder/trusty/RpcServerTrusty.cpp
index 109da75..3a99606 100644
--- a/libs/binder/trusty/RpcServerTrusty.cpp
+++ b/libs/binder/trusty/RpcServerTrusty.cpp
@@ -154,8 +154,18 @@
     return NO_ERROR;
 }
 
-void RpcServerTrusty::handleDisconnect(const tipc_port* /*port*/, handle_t /*chan*/,
-                                       void* /*ctx*/) {}
+void RpcServerTrusty::handleDisconnect(const tipc_port* /*port*/, handle_t /*chan*/, void* ctx) {
+    auto* channelContext = reinterpret_cast<ChannelContext*>(ctx);
+    if (channelContext == nullptr) {
+        // Connections marked "incoming" (outgoing from the server's side)
+        // do not have a valid channel context because joinFn does not get
+        // called for them. We ignore them here.
+        return;
+    }
+
+    auto& session = channelContext->session;
+    (void)session->shutdownAndWait(false);
+}
 
 void RpcServerTrusty::handleChannelCleanup(void* ctx) {
     auto* channelContext = reinterpret_cast<ChannelContext*>(ctx);
diff --git a/libs/binder/trusty/binderRpcTest/rules.mk b/libs/binder/trusty/binderRpcTest/rules.mk
index ae39492..975f689 100644
--- a/libs/binder/trusty/binderRpcTest/rules.mk
+++ b/libs/binder/trusty/binderRpcTest/rules.mk
@@ -32,4 +32,8 @@
 	trusty/user/base/lib/googletest \
 	trusty/user/base/lib/libstdc++-trusty \
 
+# TEST_P tests from binderRpcUniversalTests.cpp don't get linked in
+# unless we pass in --whole-archive to the linker (b/275620340).
+MODULE_USE_WHOLE_ARCHIVE := true
+
 include make/trusted_app.mk
diff --git a/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h b/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h
index a3e5026..54259d2 100644
--- a/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h
+++ b/libs/binderthreadstate/include/binderthreadstate/CallerUtils.h
@@ -36,8 +36,12 @@
 // Based on where we are in recursion of nested binder/hwbinder calls, determine
 // which one we are closer to.
 inline static BinderCallType getCurrentServingCall() {
-    const void* hwbinderSp = android::hardware::IPCThreadState::self()->getServingStackPointer();
-    const void* binderSp = android::IPCThreadState::self()->getServingStackPointer();
+    auto* hwState = android::hardware::IPCThreadState::selfOrNull();
+    auto* state = android::IPCThreadState::selfOrNull();
+
+    // getServingStackPointer can also return nullptr
+    const void* hwbinderSp = hwState ? hwState->getServingStackPointer() : nullptr;
+    const void* binderSp = state ? state->getServingStackPointer() : nullptr;
 
     if (hwbinderSp == nullptr && binderSp == nullptr) return BinderCallType::NONE;
     if (hwbinderSp == nullptr) return BinderCallType::BINDER;
diff --git a/libs/binderthreadstate/test.cpp b/libs/binderthreadstate/test.cpp
index df1f35d..b5c4010 100644
--- a/libs/binderthreadstate/test.cpp
+++ b/libs/binderthreadstate/test.cpp
@@ -16,11 +16,16 @@
 
 #include <BnAidlStuff.h>
 #include <android-base/logging.h>
+#include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
 #include <binderthreadstate/CallerUtils.h>
 #include <binderthreadstateutilstest/1.0/IHidlStuff.h>
 #include <gtest/gtest.h>
 #include <hidl/HidlTransportSupport.h>
+#include <hwbinder/IPCThreadState.h>
+
+#include <thread>
+
 #include <linux/prctl.h>
 #include <sys/prctl.h>
 
@@ -154,6 +159,20 @@
     EXPECT_TRUE(server->callLocal().isOk());
 }
 
+TEST(BinderThreadState, DoesntInitializeBinderDriver) {
+    // this is on another thread, because it's testing thread-specific
+    // state and we expect it not to be initialized.
+    std::thread([&] {
+        EXPECT_EQ(nullptr, android::IPCThreadState::selfOrNull());
+        EXPECT_EQ(nullptr, android::hardware::IPCThreadState::selfOrNull());
+
+        (void)getCurrentServingCall();
+
+        EXPECT_EQ(nullptr, android::IPCThreadState::selfOrNull());
+        EXPECT_EQ(nullptr, android::hardware::IPCThreadState::selfOrNull());
+    }).join();
+}
+
 TEST(BindThreadState, RemoteHidlCall) {
     auto stuff = IHidlStuff::getService(id2name(kP1Id));
     ASSERT_NE(nullptr, stuff);
diff --git a/services/gpuservice/vts/Android.bp b/services/gpuservice/vts/Android.bp
index 83a40e7..b6362e2 100644
--- a/services/gpuservice/vts/Android.bp
+++ b/services/gpuservice/vts/Android.bp
@@ -21,7 +21,6 @@
     srcs: ["src/**/*.java"],
     libs: [
         "tradefed",
-        "vts-core-tradefed-harness",
     ],
     test_suites: [
         "general-tests",
diff --git a/services/stats/Android.bp b/services/stats/Android.bp
index 7d358e1..6b99627 100644
--- a/services/stats/Android.bp
+++ b/services/stats/Android.bp
@@ -21,6 +21,7 @@
         "android.frameworks.stats@1.0",
         "android.frameworks.stats-V2-ndk",
         "libbinder_ndk",
+        "libexpresslog",
         "libhidlbase",
         "liblog",
         "libstatslog",
diff --git a/services/stats/StatsAidl.cpp b/services/stats/StatsAidl.cpp
index 0f01507..b22f903 100644
--- a/services/stats/StatsAidl.cpp
+++ b/services/stats/StatsAidl.cpp
@@ -22,6 +22,7 @@
 
 #include "StatsAidl.h"
 
+#include <Counter.h>
 #include <log/log.h>
 #include <stats_annotations.h>
 #include <stats_event.h>
@@ -29,11 +30,18 @@
 
 #include <unordered_map>
 
+namespace {
+    static const char* g_AtomErrorMetricName =
+        "statsd_errors.value_report_vendor_atom_errors_count";
+}
+
 namespace aidl {
 namespace android {
 namespace frameworks {
 namespace stats {
 
+using ::android::expresslog::Counter;
+
 template <typename E>
 constexpr typename std::underlying_type<E>::type to_underlying(E e) noexcept {
     return static_cast<typename std::underlying_type<E>::type>(e);
@@ -86,12 +94,14 @@
 ndk::ScopedAStatus StatsHal::reportVendorAtom(const VendorAtom& vendorAtom) {
     if (vendorAtom.atomId < 100000 || vendorAtom.atomId >= 200000) {
         ALOGE("Atom ID %ld is not a valid vendor atom ID", (long)vendorAtom.atomId);
+        Counter::logIncrement(g_AtomErrorMetricName);
         return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
                 -1, "Not a valid vendor atom ID");
     }
     if (vendorAtom.reverseDomainName.length() > 50) {
         ALOGE("Vendor atom reverse domain name %s is too long.",
               vendorAtom.reverseDomainName.c_str());
+        Counter::logIncrement(g_AtomErrorMetricName);
         return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
                 -1, "Vendor atom reverse domain name is too long");
     }
@@ -100,8 +110,9 @@
 
     if (vendorAtom.atomAnnotations) {
         if (!write_atom_annotations(event, *vendorAtom.atomAnnotations)) {
-            ALOGE("Atom ID %ld has incompatible atom level annotation", (long)vendorAtom.atomId);
             AStatsEvent_release(event);
+            ALOGE("Atom ID %ld has incompatible atom level annotation", (long)vendorAtom.atomId);
+            Counter::logIncrement(g_AtomErrorMetricName);
             return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
                     -1, "invalid atom annotation");
         }
@@ -222,6 +233,7 @@
             default: {
                 AStatsEvent_release(event);
                 ALOGE("Atom ID %ld has invalid atomValue.getTag", (long)vendorAtom.atomId);
+                Counter::logIncrement(g_AtomErrorMetricName);
                 return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
                         -1, "invalid atomValue.getTag");
                 break;
@@ -235,9 +247,10 @@
             VLOG("Atom ID %ld has %ld annotations for field #%ld", (long)vendorAtom.atomId,
                  (long)fieldAnnotations.size(), (long)atomValueIdx + 2);
             if (!write_field_annotations(event, fieldAnnotations)) {
+                AStatsEvent_release(event);
                 ALOGE("Atom ID %ld has incompatible field level annotation for field #%ld",
                       (long)vendorAtom.atomId, (long)atomValueIdx + 2);
-                AStatsEvent_release(event);
+                Counter::logIncrement(g_AtomErrorMetricName);
                 return ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
                         -1, "invalid atom field annotation");
             }
@@ -249,6 +262,7 @@
     AStatsEvent_release(event);
     if (ret <= 0) {
         ALOGE("Error writing Atom ID %ld. Result: %d", (long)vendorAtom.atomId, ret);
+        Counter::logIncrement(g_AtomErrorMetricName);
     }
     return ret <= 0 ? ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(ret,
                                                                               "report atom failed")
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index c2b0a11..905fe40 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -72,6 +72,7 @@
 #include "LayerProtoHelper.h"
 #include "LayerRejecter.h"
 #include "MonitoredProducer.h"
+#include "MutexUtils.h"
 #include "SurfaceFlinger.h"
 #include "TimeStats/TimeStats.h"
 #include "TunnelModeEnabledReporter.h"
@@ -254,10 +255,12 @@
     auto layersInTree = getRootLayer()->getLayersInTree(LayerVector::StateSet::Current);
     std::sort(layersInTree.begin(), layersInTree.end());
 
-    traverse(LayerVector::StateSet::Current, [&](Layer* layer) {
-        layer->removeFromCurrentState();
-        layer->removeRelativeZ(layersInTree);
-    });
+    REQUIRE_MUTEX(mFlinger->mStateLock);
+    traverse(LayerVector::StateSet::Current,
+             [&](Layer* layer) REQUIRES(layer->mFlinger->mStateLock) {
+                 layer->removeFromCurrentState();
+                 layer->removeRelativeZ(layersInTree);
+             });
 }
 
 void Layer::addToCurrentState() {
@@ -936,10 +939,12 @@
         mFlinger->mLayersAdded = true;
         // set up SF to handle added color layer
         if (isRemovedFromCurrentState()) {
+            MUTEX_ALIAS(mFlinger->mStateLock, mDrawingState.bgColorLayer->mFlinger->mStateLock);
             mDrawingState.bgColorLayer->onRemovedFromCurrentState();
         }
         mFlinger->setTransactionFlags(eTransactionNeeded);
     } else if (mDrawingState.bgColorLayer && alpha == 0) {
+        MUTEX_ALIAS(mFlinger->mStateLock, mDrawingState.bgColorLayer->mFlinger->mStateLock);
         mDrawingState.bgColorLayer->reparent(nullptr);
         mDrawingState.bgColorLayer = nullptr;
         return true;
diff --git a/services/surfaceflinger/Layer.h b/services/surfaceflinger/Layer.h
index 200baf0..f0c8ad7 100644
--- a/services/surfaceflinger/Layer.h
+++ b/services/surfaceflinger/Layer.h
@@ -409,7 +409,7 @@
     virtual ui::LayerStack getLayerStack() const;
     virtual bool setMetadata(const LayerMetadata& data);
     virtual void setChildrenDrawingParent(const sp<Layer>&);
-    virtual bool reparent(const sp<IBinder>& newParentHandle);
+    virtual bool reparent(const sp<IBinder>& newParentHandle) REQUIRES(mFlinger->mStateLock);
     virtual bool setColorTransform(const mat4& matrix);
     virtual mat4 getColorTransform() const;
     virtual bool hasColorTransform() const;
@@ -433,7 +433,8 @@
     virtual bool setSidebandStream(const sp<NativeHandle>& /*sidebandStream*/) { return false; };
     virtual bool setTransactionCompletedListeners(
             const std::vector<sp<CallbackHandle>>& /*handles*/);
-    virtual bool setBackgroundColor(const half3& color, float alpha, ui::Dataspace dataspace);
+    virtual bool setBackgroundColor(const half3& color, float alpha, ui::Dataspace dataspace)
+            REQUIRES(mFlinger->mStateLock);
     virtual bool setColorSpaceAgnostic(const bool agnostic);
     virtual bool setDimmingEnabled(const bool dimmingEnabled);
     virtual bool setFrameRateSelectionPriority(int32_t priority);
@@ -715,13 +716,13 @@
     /*
      * Remove from current state and mark for removal.
      */
-    void removeFromCurrentState();
+    void removeFromCurrentState() REQUIRES(mFlinger->mStateLock);
 
     /*
      * called with the state lock from a binder thread when the layer is
      * removed from the current list to the pending removal list
      */
-    void onRemovedFromCurrentState();
+    void onRemovedFromCurrentState() REQUIRES(mFlinger->mStateLock);
 
     /*
      * Called when the layer is added back to the current state list.
@@ -899,6 +900,9 @@
 
     virtual bool simpleBufferUpdate(const layer_state_t&) const { return false; }
 
+    // Exposed so SurfaceFlinger can assert that it's held
+    const sp<SurfaceFlinger> mFlinger;
+
 protected:
     friend class impl::SurfaceInterceptor;
 
@@ -974,9 +978,6 @@
      */
     virtual Rect getInputBounds() const;
 
-    // constant
-    sp<SurfaceFlinger> mFlinger;
-
     bool mPremultipliedAlpha{true};
     const std::string mName;
     const std::string mTransactionName{"TX - " + mName};
diff --git a/services/surfaceflinger/MutexUtils.h b/services/surfaceflinger/MutexUtils.h
index f8be6f3..58f7cb4 100644
--- a/services/surfaceflinger/MutexUtils.h
+++ b/services/surfaceflinger/MutexUtils.h
@@ -50,4 +50,14 @@
     const status_t status;
 };
 
+// Require, under penalty of compilation failure, that the compiler thinks that a mutex is held.
+#define REQUIRE_MUTEX(expr) ([]() REQUIRES(expr) {})()
+
+// Tell the compiler that we know that a mutex is held.
+#define ASSERT_MUTEX(expr) ([]() ASSERT_CAPABILITY(expr) {})()
+
+// Specify that one mutex is an alias for another.
+// (e.g. SurfaceFlinger::mStateLock and Layer::mFlinger->mStateLock)
+#define MUTEX_ALIAS(held, alias) (REQUIRE_MUTEX(held), ASSERT_MUTEX(alias))
+
 } // namespace android
diff --git a/services/surfaceflinger/Scheduler/Android.bp b/services/surfaceflinger/Scheduler/Android.bp
index 5de796d..8df9ba5 100644
--- a/services/surfaceflinger/Scheduler/Android.bp
+++ b/services/surfaceflinger/Scheduler/Android.bp
@@ -57,7 +57,4 @@
         "libgtest",
         "libscheduler",
     ],
-    sanitize: {
-        address: true,
-    },
 }
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 866958d..7c3ca4b 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -4415,6 +4415,7 @@
         }
         return 0;
     }
+    MUTEX_ALIAS(mStateLock, layer->mFlinger->mStateLock);
 
     // Only set by BLAST adapter layers
     if (what & layer_state_t::eProducerDisconnect) {
@@ -7304,6 +7305,7 @@
         ALOGD("Layer was destroyed soon after creation %p", state.layer.unsafe_get());
         return;
     }
+    MUTEX_ALIAS(mStateLock, layer->mFlinger->mStateLock);
 
     sp<Layer> parent;
     bool addToRoot = state.addToRoot;
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 3e3830d..17541b8 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -859,7 +859,7 @@
     // this layer meaning it is entirely safe to destroy all
     // resources associated to this layer.
     void onHandleDestroyed(BBinder* handle, sp<Layer>& layer);
-    void markLayerPendingRemovalLocked(const sp<Layer>& layer);
+    void markLayerPendingRemovalLocked(const sp<Layer>& layer) REQUIRES(mStateLock);
 
     // add a layer to SurfaceFlinger
     status_t addClientLayer(const sp<Client>& client, const sp<IBinder>& handle,
diff --git a/services/surfaceflinger/TEST_MAPPING b/services/surfaceflinger/TEST_MAPPING
index cab33ae..57752b7 100644
--- a/services/surfaceflinger/TEST_MAPPING
+++ b/services/surfaceflinger/TEST_MAPPING
@@ -5,6 +5,14 @@
     },
     {
       "name": "libcompositionengine_test"
+    },
+    {
+      "name": "libscheduler_test"
+    }
+  ],
+  "hwasan-presubmit": [
+    {
+      "name": "libscheduler_test"
     }
   ]
 }