Fixes: signed integer overflow: 2147483647 + 1913651185 cannot be represented in type 'int' Fixes: 418335931/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RV60_fuzzer-6568264620900352
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 | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/rv60dec.c b/libavcodec/rv60dec.c index 2bbcb1d6209..dbafa7eed02 100644 --- a/libavcodec/rv60dec.c +++ b/libavcodec/rv60dec.c @@ -409,6 +409,8 @@ static int read_slice_sizes(RV60Context *s, GetBitContext *gb) if (last_size <= 0) return AVERROR_INVALIDDATA; s->slice[i].size = last_size; + if (s->slice[i].size > INT32_MAX - sum) + return AVERROR_INVALIDDATA; sum += s->slice[i].size; } -- 2.49.0 _______________________________________________ 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".
