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authorChia-I Wu <olv@google.com>2017-05-15 10:32:27 -0700
committerandroid-build-team Robot <android-build-team-robot@google.com>2017-05-31 18:13:06 +0000
commit9ef1d1a8358f5d9cdd0aad210cb4b863e354fa9a (patch)
treebe4dc7fdac50053705b723fc1d6fe8a62dffbe94
parenta5b8d8c707ee410f14f3d9edf5ca7edfc2ded0ec (diff)
downloadnative-9ef1d1a8358f5d9cdd0aad210cb4b863e354fa9a.tar.gz
libgui: check for invalid slot in attachBuffer
Bug: 37478824 Test: manual Change-Id: I369337d53539bf7f7e3d925bccdae4045da1b404 (cherry picked from commit c79a29689c1046f1f0301c75df9b9a67cba8bf04)
-rw-r--r--libs/gui/IGraphicBufferProducer.cpp9
1 files changed, 9 insertions, 0 deletions
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;
}