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ffmpeg: Fix crash with ost->last_frame allocation failure

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Fixes: 1013dbde2c360d939cc2dfc33e4f275c_signal_sigsegv_a0500f_45_320vp3.nsv with memlimit of 536870912

Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-14 13:02:19 +02:00
parent bd27dc9102
commit fd4c87fa3b
1 changed files with 1 additions and 1 deletions
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2
ffmpeg.c
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@ -1227,7 +1227,7 @@ static void do_video_out(AVFormatContext *s,
if (!ost->last_frame)
ost->last_frame = av_frame_alloc();
av_frame_unref(ost->last_frame);
if (next_picture)
if (next_picture && ost->last_frame)
av_frame_ref(ost->last_frame, next_picture);
else
av_frame_free(&ost->last_frame);