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pngdec: do not release buffer on failure instead report full progress 

Should fix heap-use-after-free as reported by Address Sanitizer.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-08-23 18:55:55 +00:00
parent b329ff3d43
commit 2a75459519
1 changed files with 1 additions and 1 deletions
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2
libavcodec/pngdec.c
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@ -868,8 +868,8 @@ static int decode_frame(AVCodecContext *avctx,
return ret;
fail:
av_dict_free(&metadata);
ff_thread_report_progress(&s->picture, INT_MAX, 0);
ret = AVERROR_INVALIDDATA;
ff_thread_release_buffer(avctx, &s->picture);
goto the_end;
}