Fixes invalid shift Fixes: 670/clusterfuzz-testcase-4852021066727424
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/ituh263dec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/ituh263dec.c b/libavcodec/ituh263dec.c index 09b6a2f17d..e39338870f 100644 --- a/libavcodec/ituh263dec.c +++ b/libavcodec/ituh263dec.c @@ -962,6 +962,9 @@ intra: } end: + if (get_bits_left(&s->gb) < 0) + return AVERROR_INVALIDDATA; + /* per-MB end of slice check */ { int v= show_bits(&s->gb, 16); -- 2.11.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel