File ffmpeg-CVE-2020-22042.patch of Package ffmpeg.27460

diff --unified --recursive --text --new-file --color ffmpeg-3.4.2.old/fftools/ffmpeg.c ffmpeg-3.4.2.new/fftools/ffmpeg.c
--- ffmpeg-3.4.2.old/fftools/ffmpeg.c	2021-09-27 09:19:05.457058892 +0800
+++ ffmpeg-3.4.2.new/fftools/ffmpeg.c	2021-09-27 09:22:46.605460323 +0800
@@ -498,6 +498,7 @@
         }
         av_freep(&fg->inputs);
         for (j = 0; j < fg->nb_outputs; j++) {
+            avfilter_inout_free(&fg->outputs[j]->out_tmp);
             av_freep(&fg->outputs[j]->name);
             av_freep(&fg->outputs[j]->formats);
             av_freep(&fg->outputs[j]->channel_layouts);
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