diff options
Diffstat (limited to 'libs/gui/Surface.cpp')
-rw-r--r-- | libs/gui/Surface.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp index 08382908ba..5a2ca8d7ac 100644 --- a/libs/gui/Surface.cpp +++ b/libs/gui/Surface.cpp @@ -306,6 +306,12 @@ int Surface::dequeueBuffer(android_native_buffer_t** buffer, int* fenceFd) { return result; } + if (buf < 0 || buf >= NUM_BUFFER_SLOTS) { + ALOGE("dequeueBuffer: IGraphicBufferProducer returned invalid slot number %d", buf); + android_errorWriteLog(0x534e4554, "36991414"); // SafetyNet logging + return FAILED_TRANSACTION; + } + Mutex::Autolock lock(mMutex); sp<GraphicBuffer>& gbuf(mSlots[buf].buffer); |