diff options
| author | Michael Niedermayer <[email protected]> | 2021-12-04 20:11:35 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2022-04-06 20:38:05 +0200 |
| commit | 784303ca013d4d8de9808472b8e28205ec5f7f7b (patch) | |
| tree | a17bf739436d58b4ff0f6b658dee0a33545196e5 | |
| parent | a452eddfadd0b98e05a97d5572b3c6b71aa908d2 (diff) | |
avformat/mov: Check for EOF in mov_read_glbl()
Fixes: Infinite loop
Fixes: 41351/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5433895854669824
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <[email protected]>
(cherry picked from commit 59b4e7cbd87889c0bac710ac7f62782b637419a1)
Signed-off-by: Michael Niedermayer <[email protected]>
| -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 414918050b..309b813ba3 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1916,6 +1916,8 @@ static int mov_read_glbl(MOVContext *c, AVIOContext *pb, MOVAtom atom) // wrap a whole fiel atom inside of a glbl atom. unsigned size = avio_rb32(pb); unsigned type = avio_rl32(pb); + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; avio_seek(pb, -8, SEEK_CUR); if (type == MKTAG('f','i','e','l') && size == atom.size) return mov_read_default(c, pb, atom); |