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Commit fd9cc97d authored by Pawin Vongmasa's avatar Pawin Vongmasa
Browse files

MPEG4Extractor: Check mLastTrack before parsing btrt box. 

Bug: 31449945
Change-Id: I3380d494a57bb81f1a7455c64c3ab78da12c382d
parent 20d7cfb6

media/libstagefright/MPEG4Extractor.cpp

+3 −0
Original line number Diff line number Diff line
@@ -1767,6 +1767,9 @@ status_t MPEG4Extractor::parseChunk(off64_t *offset, int depth) { 
        case FOURCC('b', 't', 'r', 't'):

        {

            *offset += chunk_size;

            if (mLastTrack == NULL) {

                return ERROR_MALFORMED;

            }



            uint8_t buffer[12];

            if (chunk_data_size != sizeof(buffer)) {