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authorMichael Niedermayer2015-03-15 13:39:56 +0100
committerMichael Niedermayer2015-03-15 13:39:56 +0100
commit32c4b504b4ba16ef05ab474541150c39f758746c (patch)
treebaaab69f3f88bfdd648bfd31c6bf3b7af8084d06
parent84d8b4fb812c2a7eed31c3abc6bab2ec747b7666 (diff)
avformat/mpegvideodec: fix hypothetical pointer overflow in mpegvideo_probe()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/mpegvideodec.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/mpegvideodec.c b/libavformat/mpegvideodec.c
index 5ea5569379..aca962123b 100644
--- a/libavformat/mpegvideodec.c
+++ b/libavformat/mpegvideodec.c
@@ -52,11 +52,11 @@ static int mpegvideo_probe(AVProbeData *p)
j = -1;
if (ptr[j + 8] & 2)
j+= 64;
- if (ptr + j >= end)
+ if (j >= end - ptr)
break;
if (ptr[j + 8] & 1)
j+= 64;
- if (ptr + j >= end)
+ if (j >= end - ptr)
break;
if (AV_RB24(ptr + j + 9) & 0xFFFFFE)
break;