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avcodec/pthread_frame: clear priv_data, avoid stale pointer in error case

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Fixes: b4b47bc2b3fb7ca710bfffe5aa969e37_signal_sigabrt_7ffff70eccc9_744_nc_sample2.avi with memlimit of 4194304

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f1a38264f2)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-16 11:52:33 +02:00
parent 46236b0bae
commit b7c8d072ea
1 changed files with 1 additions and 0 deletions
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libavcodec/pthread_frame.c
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@ -669,6 +669,7 @@ int ff_frame_thread_init(AVCodecContext *avctx)
copy->internal = av_malloc(sizeof(AVCodecInternal));
if (!copy->internal) {
copy->priv_data = NULL;
err = AVERROR(ENOMEM);
goto error;
}