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segfault fix
author
Michael Niedermayer
<michaelni@gmx.at>
Sat, 18 Mar 2006 02:29:58 +0000
(
02:29
+0000)
committer
Michael Niedermayer
<michaelni@gmx.at>
Sat, 18 Mar 2006 02:29:58 +0000
(
02:29
+0000)
Originally committed as revision 5178 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/huffyuv.c
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diff --git
a/libavcodec/huffyuv.c
b/libavcodec/huffyuv.c
index
dd5e8be
..
39b0534
100644
(file)
--- 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];