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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-05 12:48:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 20:35:19 +0200 |
| commit | 8054b21f8d3e2200ec68f47935c1353d2bab4c56 (patch) | |
| tree | 1e5c9f0d0b7d63224f7dba4593c9a4c5ce025beb /libavcodec/tiertexseqv.c | |
| parent | 2fe493ed72cb96412500a61e3e11552a2f46d2cb (diff) | |
| download | ffmpeg-8054b21f8d3e2200ec68f47935c1353d2bab4c56.tar.gz | |
avcodec/tiertexseqv: set the fixed dimenasions, do not depend on the demuxer doing so
Fixes: out of array access
Fixes: 1348/clusterfuzz-testcase-minimized-6195673642827776
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ce551a3925a1cf9c7824e26a246b99b6773bda4b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/tiertexseqv.c')
| -rw-r--r-- | libavcodec/tiertexseqv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/tiertexseqv.c b/libavcodec/tiertexseqv.c index df12ee3809..f86ae2aac1 100644 --- a/libavcodec/tiertexseqv.c +++ b/libavcodec/tiertexseqv.c @@ -213,10 +213,15 @@ static int seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int static av_cold int seqvideo_decode_init(AVCodecContext *avctx) { SeqVideoContext *seq = avctx->priv_data; + int ret; seq->avctx = avctx; avctx->pix_fmt = AV_PIX_FMT_PAL8; + ret = ff_set_dimensions(avctx, 256, 128); + if (ret < 0) + return ret; + seq->frame = av_frame_alloc(); if (!seq->frame) return AVERROR(ENOMEM); |