From f4e31985da4ba620bb32347c0ef30de71727116c Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Mon, 6 Nov 2006 06:13:29 +0000
Subject: [PATCH] Check for symbol count
Originally committed as revision 6910 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/fraps.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/fraps.c b/libavcodec/fraps.c
index aff656688c8..18d2700492b 100644
--- a/libavcodec/fraps.c
+++ b/libavcodec/fraps.c
@@ -140,6 +140,10 @@ static int fraps2_decode_plane(FrapsContext *s, uint8_t *dst, int stride, int w,
s->nodes[i].sym = i;
s->nodes[i].count = LE_32(src);
s->nodes[i].n0 = -2;
+ if(s->nodes[i].count < 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "Symbol count < 0\n");
+ return -1;
+ }
src += 4;
sum += s->nodes[i].count;
}
--
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