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Commit f1114192 authored by Jeff Tinker's avatar Jeff Tinker Committed by android-build-merger
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Merge "Fix security vulnerability in libstagefright" into klp-dev am: eb37c37c am: 883b244f 

am: 31a3aa56

* commit '31a3aa56':
  Fix security vulnerability in libstagefright

Change-Id: I4d666e42bfc64e384b9fd8c8fad07d645be6a19a
parents a0bb560e 31a3aa56

media/libstagefright/DRMExtractor.cpp

+11 −1
Original line number Diff line number Diff line
@@ -200,7 +200,17 @@ status_t DRMSource::read(MediaBuffer **buffer, const ReadOptions *options) { 
                continue;

            }



            CHECK(dstOffset + 4 <= (*buffer)->size());

            if (dstOffset > SIZE_MAX - 4 ||

                dstOffset + 4 > SIZE_MAX - nalLength ||

                dstOffset + 4 + nalLength > (*buffer)->size()) {

                (*buffer)->release();

                (*buffer) = NULL;

                if (decryptedDrmBuffer.data) {

                    delete [] decryptedDrmBuffer.data;

                    decryptedDrmBuffer.data = NULL;

                }

                return ERROR_MALFORMED;

            }



            dstData[dstOffset++] = 0;

            dstData[dstOffset++] = 0;