Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
libavformat/matroskadec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 9b116b0..d5b6071 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1189,7 +1189,8 @@ static void matroska_convert_tag(AVFormatContext *s,
EbmlList *list,
int i;
for (i=0; i < list->nb_elem; i++) {
- const char *lang = strcmp(tags[i].lang, "und") ? tags[i].lang : NULL;
+ const char *lang = tags[i].lang && strcmp(tags[i].lang, "und") ?
+ tags[i].lang : NULL;
if (!tags[i].name) {
av_log(s, AV_LOG_WARNING, "Skipping invalid tag with no
TagName.\n");
--
1.7.9.4
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