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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-03-20 01:36:22 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-04-06 21:38:06 +0300 |
| commit | 4d1674cccf3bf855e7e3970efcff5d8c4bc55904 (patch) | |
| tree | c7489b7a5282a1d621b1609ac46de8120a09a3d9 | |
| parent | a9045143da8c75f051acab71a2f0046b9c473e9e (diff) | |
avformat/cafdec: Do not store empty keys in read_info_chunk()
Fixes: Timeout
Fixes: 45543/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-5684953164152832
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 7ec28e1d4cef723485f50f7a08859752b79b570c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/cafdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c index e5d6fbf39c..5c22678a38 100644 --- a/libavformat/cafdec.c +++ b/libavformat/cafdec.c @@ -241,6 +241,8 @@ static void read_info_chunk(AVFormatContext *s, int64_t size) char value[1024]; avio_get_str(pb, INT_MAX, key, sizeof(key)); avio_get_str(pb, INT_MAX, value, sizeof(value)); + if (!*key) + continue; av_dict_set(&s->metadata, key, value, 0); } } |