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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-27 04:12:09 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-01 14:07:33 +0100 |
| commit | 2c00b373024054e0779ef67fc54b763d624db3e8 (patch) | |
| tree | f0b7a2759e4f1087de50fbdc90a29aa67e721923 | |
| parent | a2ca9e11ff7166cbbc0314d152702a201f6a14fb (diff) | |
| download | ffmpeg-2c00b373024054e0779ef67fc54b763d624db3e8.tar.gz | |
avcodec/avpacket: Check metadata key in av_packet_unpack_dictionary()
Fixes timeout
Fixes: 501/clusterfuzz-testcase-5672752870588416
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/avpacket.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c index 8e028a2a6c..60269aa63d 100644 --- a/libavcodec/avpacket.c +++ b/libavcodec/avpacket.c @@ -508,7 +508,7 @@ int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **di const uint8_t *key = data; const uint8_t *val = data + strlen(key) + 1; - if (val >= end) + if (val >= end || !*key) return AVERROR_INVALIDDATA; ret = av_dict_set(dict, key, val, 0); |