Fixes: signed integer overflow: 64 + 9223372036854775807 cannot be represented in type 'long long' Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6418242730328064
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/cafdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c index f5ba0f41084..e92e3279fc6 100644 --- a/libavformat/cafdec.c +++ b/libavformat/cafdec.c @@ -271,7 +271,7 @@ static int read_pakt_chunk(AVFormatContext *s, int64_t size) } } - if (avio_tell(pb) - ccount > size) { + if (avio_tell(pb) - ccount > size || size > INT64_MAX - ccount) { av_log(s, AV_LOG_ERROR, "error reading packet table\n"); return AVERROR_INVALIDDATA; } -- 2.17.1 _______________________________________________ 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".
