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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-25 18:39:45 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-17 21:34:53 +0200 |
| commit | 4fb6c6bcac25a47f72442dd0ff16ca6775744e12 (patch) | |
| tree | e1f8c1c33acb8521b5adb1fa2c9519e317da547f | |
| parent | 79b17daba5c4e09a3b32d30b02fbb24d9e96ded9 (diff) | |
| download | ffmpeg-4fb6c6bcac25a47f72442dd0ff16ca6775744e12.tar.gz | |
avformat/mov: Check if hoov is at the end
Fixes: Timeout, probably infinite loop
Fixes: 26559/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5391165484171264
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 0afbaabdca2730d3f8d88719d64802d50b92d351)
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 3ead74bb4b..e6d4e360cd 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -4054,6 +4054,8 @@ static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom) uint32_t type; avio_skip(pb, 4); type = avio_rl32(pb); + if (avio_feof(pb)) + break; avio_seek(pb, -8, SEEK_CUR); if (type == MKTAG('m','v','h','d') || type == MKTAG('c','m','o','v')) { |