[FFmpeg-devel] [PATCH 1/4] lavc/options: fix shallow copy context
Lukasz Marek
lukasz.m.luki2 at gmail.com
Sat Nov 8 18:13:50 CET 2014
avcodec_copy_context leaves shallow copy of string/binary/dict options.
Double free/accessing freed memory may occur.
Signed-off-by: Lukasz Marek <lukasz.m.luki2 at gmail.com>
---
libavcodec/options.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/options.c b/libavcodec/options.c
index c4ee234..461e4a1 100644
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -187,6 +187,7 @@ int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
av_opt_free(dest);
memcpy(dest, src, sizeof(*dest));
+ av_opt_copy(dest, src);
dest->priv_data = orig_priv_data;
--
1.9.1
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