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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-01-10 20:58:19 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-01-10 20:59:25 +0100 |
| commit | 396ddcf22d55fa7e735d69eed22a4a4b1649b73c (patch) | |
| tree | 118f208f4d8813f0e897a4a5d64d0ee553639bce | |
| parent | e2bb185e62e3017735d39ab3e38b7d4f11541ba4 (diff) | |
| download | ffmpeg-396ddcf22d55fa7e735d69eed22a4a4b1649b73c.tar.gz | |
avformat/flvdec: initialize context before reading from it
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f9b8387069e_5377_flv_with_pcm_s16be_audio_track.flv
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/flvdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c index 5683ed514e..2844cd308b 100644 --- a/libavformat/flvdec.c +++ b/libavformat/flvdec.c @@ -916,7 +916,7 @@ retry_duration: flv->last_channels = channels = st->codec->channels; } else { - AVCodecContext ctx; + AVCodecContext ctx = {0}; ctx.sample_rate = sample_rate; flv_set_audio_codec(s, st, &ctx, flags & FLV_AUDIO_CODECID_MASK); sample_rate = ctx.sample_rate; |