From 0ecca7a49f8e254c12a3a1de048d738bfbb614c6 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 12 Jan 2005 00:16:25 +0000
Subject: various security fixes and precautionary checks

Originally committed as revision 3822 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/imgresample.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libavcodec/imgresample.c')

diff --git a/libavcodec/imgresample.c b/libavcodec/imgresample.c
index b4c5f360ad..3b74a82794 100644
--- a/libavcodec/imgresample.c
+++ b/libavcodec/imgresample.c
@@ -561,6 +561,8 @@ ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
     s = av_mallocz(sizeof(ImgReSampleContext));
     if (!s)
         return NULL;
+    if((unsigned)owidth >= UINT_MAX / (LINE_BUF_HEIGHT + NB_TAPS))
+        return NULL;
     s->line_buf = av_mallocz(owidth * (LINE_BUF_HEIGHT + NB_TAPS));
     if (!s->line_buf) 
         goto fail;
-- 
cgit v1.2.3