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vp3: Copy all 3 frames for thread updates

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Fixes a double release of the current frame on deinit.

Bug-Id: CVE-2011-3934
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Michael Niedermayer 2014-08-04 01:06:51 +01:00 committed by Vittorio Giovara
parent ebe2292eaf
commit dcc68de942
1 changed files with 1 additions and 1 deletions
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libavcodec/vp3.c
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@ -1865,7 +1865,7 @@ static int vp3_update_thread_context(AVCodecContext *dst, const AVCodecContext *
||s->width != s1->width ||s->width != s1->width
||s->height!= s1->height) { ||s->height!= s1->height) {
if (s != s1) if (s != s1)
copy_fields(s, s1, golden_frame, current_frame); copy_fields(s, s1, golden_frame, keyframe);
return -1; return -1;
} }