From e70e7a4b172dcadaf6a25a6a37dedcf2e39c06ec Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 18 Mar 2006 02:29:58 +0000
Subject: [PATCH] segfault fix
Originally committed as revision 5178 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/huffyuv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c
index dd5e8bee68b..39b0534a004 100644
--- a/libavcodec/huffyuv.c
+++ b/libavcodec/huffyuv.c
@@ -808,6 +808,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
return -1;
}
+ if((unsigned)(buf_size-table_size) >= INT_MAX/8)
+ return -1;
+
init_get_bits(&s->gb, s->bitstream_buffer+table_size, (buf_size-table_size)*8);
fake_ystride= s->interlaced ? p->linesize[0]*2 : p->linesize[0];
--
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