Add removeInstanceForPackageMethod to SensorManager
In order to ensure that clients don't leak their sensor manager
instance that we currently store in a static map, they need to be able
to remove their instance. Otherwise, this instance is never removed from
the list and will hang around until our SensorManage instance is
destroyed.
Bug: 269014004
Test: Run ./libsensorserviceaidl_fuzzer
Change-Id: I52185f74ae8d28b379440235ca6f03c5089081f5
(cherry picked from commit 9532f7c682fdd4b1e6e553cd6f61fc0cf2555902)
Merged-In: I52185f74ae8d28b379440235ca6f03c5089081f5
(cherry picked from commit on googleplex-android-review.googlesource.com host: dd5384d875d0f56c201792b373f8fa4f69966531)
Merged-In: I52185f74ae8d28b379440235ca6f03c5089081f5
diff --git a/libs/sensor/SensorManager.cpp b/libs/sensor/SensorManager.cpp
index 625612c..cc5bcd8 100644
--- a/libs/sensor/SensorManager.cpp
+++ b/libs/sensor/SensorManager.cpp
@@ -92,6 +92,16 @@
return *sensorManager;
}
+void SensorManager::removeInstanceForPackage(const String16& packageName) {
+ Mutex::Autolock _l(sLock);
+ auto iterator = sPackageInstances.find(packageName);
+ if (iterator != sPackageInstances.end()) {
+ SensorManager* sensorManager = iterator->second;
+ delete sensorManager;
+ sPackageInstances.erase(iterator);
+ }
+}
+
SensorManager::SensorManager(const String16& opPackageName)
: mSensorList(nullptr), mOpPackageName(opPackageName), mDirectConnectionHandle(1) {
Mutex::Autolock _l(mLock);
diff --git a/libs/sensor/include/sensor/SensorManager.h b/libs/sensor/include/sensor/SensorManager.h
index 09ac7ed..b2a9e1e 100644
--- a/libs/sensor/include/sensor/SensorManager.h
+++ b/libs/sensor/include/sensor/SensorManager.h
@@ -54,6 +54,7 @@
{
public:
static SensorManager& getInstanceForPackage(const String16& packageName);
+ static void removeInstanceForPackage(const String16& packageName);
~SensorManager();
ssize_t getSensorList(Sensor const* const** list);
diff --git a/services/sensorservice/hidl/SensorManager.cpp b/services/sensorservice/hidl/SensorManager.cpp
index 9380600..0a4e684 100644
--- a/services/sensorservice/hidl/SensorManager.cpp
+++ b/services/sensorservice/hidl/SensorManager.cpp
@@ -60,6 +60,9 @@
if (mPollThread.joinable()) {
mPollThread.join();
}
+
+ ::android::SensorManager::removeInstanceForPackage(
+ String16(ISensorManager::descriptor));
}
// Methods from ::android::frameworks::sensorservice::V1_0::ISensorManager follow.
