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avcodec/h264: Clear delayed_pic on deallocation

Fixes use of freed memory

Fixes: case5_av_frame_copy_props.mp4
Found-by: Michal Zalewski <lcamtuf@coredump.cx>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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1 parent 8aa8d12 commit e8714f6f93d1a32f4e4655209960afcf4c185214 @michaelni michaelni committed Dec 17, 2014
Showing with 1 addition and 0 deletions.
  1. +1 −0 libavcodec/h264.c
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@@ -391,6 +391,7 @@ void ff_h264_free_tables(H264Context *h, int free_rbsp)
if (free_rbsp && h->DPB) {
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)
ff_h264_unref_picture(h, &h->DPB[i]);
+ memset(h->delayed_pic, 0, sizeof(h->delayed_pic));
av_freep(&h->DPB);
} else if (h->DPB) {
for (i = 0; i < H264_MAX_PICTURE_COUNT; i++)

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