Fixes: 378634700/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-5008344043028480 Fixes: assertion failure
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/rv60dec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libavcodec/rv60dec.c b/libavcodec/rv60dec.c index 449650223d8..4cc71dcd6ee 100644 --- a/libavcodec/rv60dec.c +++ b/libavcodec/rv60dec.c @@ -395,10 +395,13 @@ static int read_slice_sizes(RV60Context *s, GetBitContext *gb) for (int i = 0; i < s->cu_height; i++) s->slice[i].sign = get_bits1(gb); - s->slice[0].size = last_size = sum = get_bits(gb, nbits); + s->slice[0].size = last_size = sum = get_bits_long(gb, nbits); + + if (sum < 0) + return AVERROR_INVALIDDATA; for (int i = 1; i < s->cu_height; i++) { - int diff = get_bits(gb, nbits); + int diff = get_bits_long(gb, nbits); if (s->slice[i].sign) last_size += diff; else -- 2.47.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
