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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-03 09:20:23 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-12 02:55:46 +0100 |
| commit | 1e6f641052aad75cbf4b7c2d7207625359a16292 (patch) | |
| tree | 773c3b415d1e509ca5df9c3c501873282c1af1d6 | |
| parent | 03ef13889c1965c5b5f5d383815438389695a2a4 (diff) | |
| download | ffmpeg-1e6f641052aad75cbf4b7c2d7207625359a16292.tar.gz | |
avformat/mov: Fix integer overflow in FFABS
Fixes: unknown_unknown_19e_414_cov_764838672_bellhamlam.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 053e80f6eaf8d87521fe58ea96886b6ee0bbe59d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/mov.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index b42537f562..20a574912d 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2354,7 +2354,7 @@ static int mov_read_ctts(MOVContext *c, AVIOContext *pb, MOVAtom atom) av_log(c->fc, AV_LOG_TRACE, "count=%d, duration=%d\n", count, duration); - if (FFABS(duration) > (1<<28) && i+2<entries) { + if (FFNABS(duration) < -(1<<28) && i+2<entries) { av_log(c->fc, AV_LOG_WARNING, "CTTS invalid\n"); av_freep(&sc->ctts_data); sc->ctts_count = 0; |