---
Found an infinite loop on probing while zzuf'ing.
---
libavformat/apngdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/apngdec.c b/libavformat/apngdec.c
index 189480e..d97b015 100644
--- a/libavformat/apngdec.c
+++ b/libavformat/apngdec.c
@@ -87,7 +87,7 @@ static int apng_probe(AVProbeData *p)
/* we don't check IDAT size, as this is the last tag
* we check, and it may be larger than the probe buffer */
if (tag != MKTAG('I', 'D', 'A', 'T') &&
- len > bytestream2_get_bytes_left(&gb))
+ len + 4 > bytestream2_get_bytes_left(&gb))
return 0;
switch (tag) {
--
2.2.0
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