---
libavformat/asfdec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 45c86e1..58769d9 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -1593,6 +1593,8 @@ static int detect_unknown_subobject(AVFormatContext *s,
int64_t offset, int64_t
int ret;
while (avio_tell(pb) <= offset + size) {
+ if (avio_tell(pb) == asf->offset)
+ break;
asf->offset = avio_tell(pb);
if ((ret = ff_get_guid(pb, &guid)) < 0)
return ret;
--
2.0.1
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