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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-21 02:38:05 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-01-28 15:53:54 +0100 |
| commit | 00393c56da9786b7e2011b5f712ce7d20cb42195 (patch) | |
| tree | d92748ea3ed5900cf5deaf6e7431ce7a03454e57 /libavcodec | |
| parent | f77b656b6eaf8efbeedb798c4a53ff901c3e810d (diff) | |
| download | ffmpeg-00393c56da9786b7e2011b5f712ce7d20cb42195.tar.gz | |
avcodec/wmaenc: Check ff_wma_init() for failure
Fixes null pointer dereference
Fixes: c4faf8280ba366bf00a79d425f2910a8/signal_sigsegv_1f96477_5177_1448ba7e4125faceb966f44ceb69abfa.qcp
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 19e456d48c90a1e3ceeb9e6241383384cc73dfdf)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/wmaenc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/wmaenc.c b/libavcodec/wmaenc.c index fc23d4e33d..c166c188aa 100644 --- a/libavcodec/wmaenc.c +++ b/libavcodec/wmaenc.c @@ -32,6 +32,7 @@ static av_cold int encode_init(AVCodecContext *avctx) WMACodecContext *s = avctx->priv_data; int i, flags1, flags2, block_align; uint8_t *extradata; + int ret; s->avctx = avctx; @@ -82,7 +83,8 @@ static av_cold int encode_init(AVCodecContext *avctx) if (avctx->channels == 2) s->ms_stereo = 1; - ff_wma_init(avctx, flags2); + if ((ret = ff_wma_init(avctx, flags2)) < 0) + return ret; /* init MDCT */ for (i = 0; i < s->nb_block_sizes; i++) |