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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-19 13:30:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-05-12 23:00:07 +0200 |
| commit | 299a56c9006b2eb8807c3e3efefb91a78fe6b3b2 (patch) | |
| tree | d15e517402632f6990c727f591d1994dde9069dc | |
| parent | 537d402d56c012d136c54936f12e89109b9635c4 (diff) | |
avformat/mov: Limit nb_chapter_tracks to input size
Fixes: Timeout (15k loop iterations instead of 400m)
Fixes: 31368/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-6601583174483968
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/mov.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index f67bb2441f..3ee15ff3dc 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -4656,6 +4656,8 @@ static int mov_read_chap(MOVContext *c, AVIOContext *pb, MOVAtom atom) for (i = 0; i < num && !pb->eof_reached; i++) c->chapter_tracks[i] = avio_rb32(pb); + c->nb_chapter_tracks = i; + return 0; } |