diff options
author | android-build-team Robot <android-build-team-robot@google.com> | 2017-07-11 22:41:19 +0000 |
---|---|---|
committer | android-build-team Robot <android-build-team-robot@google.com> | 2017-07-11 22:41:19 +0000 |
commit | 37ddf4f842e6d93d94055120c452217f9cb5a941 (patch) | |
tree | 9827260541fdbcb505d58be8b86fc02739056a69 | |
parent | e3fd69ce6c4b97cd835d20d96fa3d1cc34f1d088 (diff) | |
parent | 237ac4c27abfd070e2436283723ec48cb5fa9b31 (diff) | |
download | native-nougat-mr1.6-release.tar.gz |
release-request-556939d2-cc5e-453a-b797-8a7cb6dacac2-for-git_nyc-mr1-security-f-release-4118426 snap-temp-L72200000081371809android-7.1.1_r56android-7.1.1_r50nougat-mr1.6-release
Change-Id: I30be229e127cfd6c81d29d67e6b884d0df7e8411
-rw-r--r-- | libs/gui/BufferQueueProducer.cpp | 20 | ||||
-rw-r--r-- | libs/gui/IGraphicBufferProducer.cpp | 9 | ||||
-rw-r--r-- | libs/gui/Surface.cpp | 6 | ||||
-rw-r--r-- | libs/ui/Fence.cpp | 2 |
4 files changed, 30 insertions, 7 deletions
diff --git a/libs/gui/BufferQueueProducer.cpp b/libs/gui/BufferQueueProducer.cpp index 05923b5d35..ce4778435f 100644 --- a/libs/gui/BufferQueueProducer.cpp +++ b/libs/gui/BufferQueueProducer.cpp @@ -921,7 +921,11 @@ status_t BufferQueueProducer::queueBuffer(int slot, // Call back without the main BufferQueue lock held, but with the callback // lock held so we can ensure that callbacks occur in order - { + + int connectedApi; + sp<Fence> lastQueuedFence; + + { // scope for the lock Mutex::Autolock lock(mCallbackMutex); while (callbackTicket != mCurrentCallbackTicket) { mCallbackCondition.wait(mCallbackMutex); @@ -933,20 +937,24 @@ status_t BufferQueueProducer::queueBuffer(int slot, frameReplacedListener->onFrameReplaced(item); } + connectedApi = mCore->mConnectedApi; + lastQueuedFence = std::move(mLastQueueBufferFence); + + mLastQueueBufferFence = std::move(fence); + mLastQueuedCrop = item.mCrop; + mLastQueuedTransform = item.mTransform; + ++mCurrentCallbackTicket; mCallbackCondition.broadcast(); } // Wait without lock held - if (mCore->mConnectedApi == NATIVE_WINDOW_API_EGL) { + if (connectedApi == NATIVE_WINDOW_API_EGL) { // Waiting here allows for two full buffers to be queued but not a // third. In the event that frames take varying time, this makes a // small trade-off in favor of latency rather than throughput. - mLastQueueBufferFence->waitForever("Throttling EGL Production"); + lastQueuedFence->waitForever("Throttling EGL Production"); } - mLastQueueBufferFence = fence; - mLastQueuedCrop = item.mCrop; - mLastQueuedTransform = item.mTransform; return NO_ERROR; } diff --git a/libs/gui/IGraphicBufferProducer.cpp b/libs/gui/IGraphicBufferProducer.cpp index f4ba3bf15f..1a08130c44 100644 --- a/libs/gui/IGraphicBufferProducer.cpp +++ b/libs/gui/IGraphicBufferProducer.cpp @@ -26,6 +26,7 @@ #include <binder/Parcel.h> #include <binder/IInterface.h> +#include <gui/BufferQueueDefs.h> #include <gui/IGraphicBufferProducer.h> #include <gui/IProducerListener.h> @@ -203,8 +204,16 @@ public: if (result != NO_ERROR) { return result; } + *slot = reply.readInt32(); result = reply.readInt32(); + if (result == NO_ERROR && + (*slot < 0 || *slot >= BufferQueueDefs::NUM_BUFFER_SLOTS)) { + ALOGE("attachBuffer returned invalid slot %d", *slot); + android_errorWriteLog(0x534e4554, "37478824"); + return UNKNOWN_ERROR; + } + return result; } 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); diff --git a/libs/ui/Fence.cpp b/libs/ui/Fence.cpp index bf24ffb7e0..1b2f34dfa8 100644 --- a/libs/ui/Fence.cpp +++ b/libs/ui/Fence.cpp @@ -157,7 +157,7 @@ status_t Fence::unflatten(void const*& buffer, size_t& size, int const*& fds, si return INVALID_OPERATION; } - if (size < 1) { + if (size < getFlattenedSize()) { return NO_MEMORY; } |