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avcodec/pafvideo: Check allocated frame size 

Fixes: OOM
Fixes: 5549/clusterfuzz-testcase-minimized-5390553567985664

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-02-04 02:14:49 +01:00
parent 0fb33a8289
commit 66acb63028
1 changed files with 4 additions and 0 deletions
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4
libavcodec/pafvideo.c
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@ -78,6 +78,7 @@ static av_cold int paf_video_init(AVCodecContext *avctx)
{
PAFVideoDecContext *c = avctx->priv_data;
int i;
int ret;
c->width = avctx->width;
c->height = avctx->height;
@ -90,6 +91,9 @@ static av_cold int paf_video_init(AVCodecContext *avctx)
}
avctx->pix_fmt = AV_PIX_FMT_PAL8;
ret = av_image_check_size2(avctx->width, FFALIGN(avctx->height, 256), avctx->max_pixels, avctx->pix_fmt, 0, avctx);
if (ret < 0)
return ret;
c->pic = av_frame_alloc();
if (!c->pic)