From: Limin Wang <lance.lmw...@gmail.com>
Before header_str is initialized, the code is possible to goto end and free the
header_str and cause invalid access.
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
libavformat/mpeg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mpeg.c b/libavformat/mpeg.c
index c33401f1a0..ebc064931a 100644
--- a/libavformat/mpeg.c
+++ b/libavformat/mpeg.c
@@ -720,7 +720,7 @@ static int vobsub_read_header(AVFormatContext *s)
int i, ret = 0, header_parsed = 0, langidx = 0;
MpegDemuxContext *vobsub = s->priv_data;
size_t fname_len;
- char *header_str;
+ char *header_str = NULL;
AVBPrint header;
int64_t delay = 0;
AVStream *st = NULL;
--
2.21.0
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