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avcodec/rasc: unref both frames on reinit

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Fixes: integer overflow
Fixes: inconsistent frame dimensions
Fixes: 10454/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_RASC_fuzzer-5656301162463232

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-10-02 03:04:52 +02:00
parent 9a9034958a
commit f515c978f6
1 changed files with 1 additions and 1 deletions
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2
libavcodec/rasc.c
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@ -95,10 +95,10 @@ static int init_frames(AVCodecContext *avctx)
int ret;
av_frame_unref(s->frame1);
av_frame_unref(s->frame2);
if ((ret = ff_get_buffer(avctx, s->frame1, 0)) < 0)
return ret;
av_frame_unref(s->frame2);
if ((ret = ff_get_buffer(avctx, s->frame2, 0)) < 0)
return ret;