Fixes: signed integer overflow: 64 + 9223372036854775803 cannot be represented in type 'long long' Fixes: 51896/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-6536881135550464
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 e92e3279fc6..0e50a3cfe68 100644 --- a/libavformat/cafdec.c +++ b/libavformat/cafdec.c @@ -435,7 +435,7 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) /* don't read past end of data chunk */ if (caf->data_size > 0) { - left = (caf->data_start + caf->data_size) - avio_tell(pb); + left = av_sat_add64(caf->data_start, caf->data_size) - avio_tell(pb); if (!left) return AVERROR_EOF; if (left < 0) -- 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".
