ffmpeg | branch: release/4.3 | Michael Niedermayer <mich...@niedermayer.cc> | Sun Sep 18 16:35:41 2022 +0200| [964fb9f59f1054052875389c73bec3278d9c2519] | committer: Michael Niedermayer
avformat/sbgdec: Check ts_int in genrate_intervals There is probably a better place to check for this, but better here than nowhere Fixes: signed integer overflow: -9223372036824775808 - 86400000000 cannot be represented in type 'long' Fixes: 50993/clusterfuzz-testcase-minimized-ffmpeg_dem_SBG_fuzzer-6601162580688896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit 5f529e9147a5c5c8ecf8d5ef0dd569194ce30eed) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=964fb9f59f1054052875389c73bec3278d9c2519 --- libavformat/sbgdec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavformat/sbgdec.c b/libavformat/sbgdec.c index 5bc914169b..e2cac9132a 100644 --- a/libavformat/sbgdec.c +++ b/libavformat/sbgdec.c @@ -1314,6 +1314,8 @@ static int generate_intervals(void *log, struct sbg_script *s, int sample_rate, /* Pseudo event before the first one */ ev0 = s->events[s->nb_events - 1]; + if (av_sat_sub64(ev0.ts_int, period) != (uint64_t)ev0.ts_int - period) + return AVERROR_INVALIDDATA; ev0.ts_int -= period; ev0.ts_trans -= period; ev0.ts_next -= period; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
