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Commit c34b6d4b authored by Jon Larimer's avatar Jon Larimer Committed by Android Git Automerger
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am 2be55471: Merge "Prevent integer underflow if size is below 6" 

* commit '2be55471':
  Prevent integer underflow if size is below 6
parents ff5ac9ac 2be55471

media/libstagefright/MPEG4Extractor.cpp

+4 −0
Original line number Diff line number Diff line
@@ -2480,6 +2480,10 @@ status_t MPEG4Extractor::parse3GPPMetaData(off64_t offset, size_t size, int dept 
        int len16 = 0; // Number of UTF-16 characters



        // smallest possible valid UTF-16 string w BOM: 0xfe 0xff 0x00 0x00

        if (size < 6) {

            return ERROR_MALFORMED;

        }



        if (size - 6 >= 4) {

            len16 = ((size - 6) / 2) - 1; // don't include 0x0000 terminator

            framedata = (char16_t *)(buffer + 6);