Fixes: signed integer overflow: 33986707200000000 + 9195561788997000192 cannot be represented in type 'long' Fixes: 23790/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6554232198266880
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/sbgdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/sbgdec.c b/libavformat/sbgdec.c index de1de271bb..c11244ef3d 100644 --- a/libavformat/sbgdec.c +++ b/libavformat/sbgdec.c @@ -474,6 +474,8 @@ static int parse_timestamp(struct sbg_parser *p, while (lex_char(p, '+')) { if (!lex_time(p, &dt)) return AVERROR_INVALIDDATA; + if (av_sat_add64(rel, dt) - dt != rel) + return AVERROR_INVALIDDATA; rel += dt; r = 1; } -- 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".
