From: Laurent Aimar <fenrir@videolan.org>
Date: Fri, 30 Sep 2011 23:42:32 +0000 (+0000)
Subject: anm: prevent infinite loop
X-Git-Tag: v0.8b1~1213
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2475f1a83ccf313d828b25f1769e3a37442ecf64;p=platform%2Fupstream%2Flibav.git

anm: prevent infinite loop

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
---

diff --git a/libavcodec/anm.c b/libavcodec/anm.c
index 94cac5e..59de984 100644
--- a/libavcodec/anm.c
+++ b/libavcodec/anm.c
@@ -81,6 +81,8 @@ static inline int op(uint8_t **dst, const uint8_t *dst_end,
         int striplen = FFMIN(count, remaining);
         if (buf) {
             striplen = FFMIN(striplen, buf_end - *buf);
+            if (*buf >= buf_end)
+                goto exhausted;
             memcpy(*dst, *buf, striplen);
             *buf += striplen;
         } else if (pixel >= 0)