From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 8 Nov 2011 21:42:50 +0000 (+0100)
Subject: fraps: check for overread
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=3bdfef31ac135add243f9ddde99d6b3cee953833;p=ffmpeg

fraps: check for overread
Fixeds Ticket619

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---

diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c
index d6f9a554cf9..0844fa79396 100644
--- a/libavcodec/fraps.c
+++ b/libavcodec/fraps.c
@@ -114,6 +114,8 @@ static int fraps2_decode_plane(FrapsContext *s, uint8_t *dst, int stride, int w,
             else if(Uoff) dst[i] += 0x80;
         }
         dst += stride;
+        if(get_bits_left(&gb) < 0)
+            return -1;
     }
     free_vlc(&vlc);
     return 0;
diff --git a/tests/ref/fate/fraps-v5 b/tests/ref/fate/fraps-v5
index 05fa9da37bc..3fe1c49329b 100644
--- a/tests/ref/fate/fraps-v5
+++ b/tests/ref/fate/fraps-v5
@@ -56,4 +56,3 @@
 0, 165000, 145152, 0x80448031
 0, 168000, 145152, 0xe3b1fbf7
 0, 171000, 145152, 0xa00395a4
-0, 174000, 145152, 0xdf3b4fce