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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-20 01:05:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-21 19:27:45 +0200 |
| commit | 744ad45c44e69e354e924902c4daf0044dcd9955 (patch) | |
| tree | 3eafafed49a8533879ea476e52ce56317d8e03f0 /libavformat | |
| parent | 9b23eb8a10d3a7b3a5087776523f9cf1ef671989 (diff) | |
avformat/mov: Check for EOF in mov_read_iloc()
Fixes: Timeout
Fixes: 49216/clusterfuzz-testcase-minimized-ffmpeg_IO_DEMUXER_fuzzer-6563000529584128
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat')
| -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 14550e6456..a09a762d91 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -7555,6 +7555,8 @@ static int mov_read_iloc(MOVContext *c, AVIOContext *pb, MOVAtom atom) for (int i = 0; i < item_count; i++) { int item_id = (version < 2) ? avio_rb16(pb) : avio_rb32(pb); + if (avio_feof(pb)) + return AVERROR_INVALIDDATA; if (version > 0) avio_rb16(pb); // construction_method. avio_rb16(pb); // data_reference_index. |