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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-20 01:05:20 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-22 17:14:53 +0200 |
| commit | e8a51675ea8abf67fd5768dcfa17869e130cb8a5 (patch) | |
| tree | 3df9f08bb3b1577e4b73474144aaff2e6423fda9 | |
| parent | 1c06f776e6ecfc3f17bdd1e29c6add72548c9576 (diff) | |
| download | ffmpeg-e8a51675ea8abf67fd5768dcfa17869e130cb8a5.tar.gz | |
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>
(cherry picked from commit 744ad45c44e69e354e924902c4daf0044dcd9955)
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 29828ea7e6..a644f9ac62 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -7540,6 +7540,8 @@ 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. |