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authorAnton Khirnov <wyskas@gmail.com>2010-11-03 06:29:04 +0000
committerAnton Khirnov <wyskas@gmail.com>2010-11-03 06:29:04 +0000
commitbf800c7db8aae141ed79adf6e97398190521944c (patch)
tree40f6c66f8c2c89b5b8913830caef15306125d08e /libavformat/matroskadec.c
parent61b1f0f909f6adb5e1e32c8b45a692f67a5a40fb (diff)
downloadffmpeg-bf800c7db8aae141ed79adf6e97398190521944c.tar.gz
matroskadec: skip invalid tags with no TagName
fixes segfault in issue 2328 Originally committed as revision 25659 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/matroskadec.c')
-rw-r--r--libavformat/matroskadec.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 136839ad89..820140fb9e 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1033,6 +1033,11 @@ static void matroska_convert_tag(AVFormatContext *s, EbmlList *list,
for (i=0; i < list->nb_elem; i++) {
const char *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");
+ continue;
+ }
if (prefix) snprintf(key, sizeof(key), "%s/%s", prefix, tags[i].name);
else av_strlcpy(key, tags[i].name, sizeof(key));
if (tags[i].def || !lang) {