[FFmpeg-cvslog] rpza: Fix a buffer size check
Martin Storsjö
git at videolan.org
Tue Oct 8 01:46:07 CEST 2013
ffmpeg | branch: release/1.1 | Martin Storsjö <martin at martin.st> | Sun Sep 29 01:24:20 2013 +0300| [f06e39fe6b272a11782c023c31eec43bfce3138d] | committer: Luca Barbato
rpza: Fix a buffer size check
We read 2 bytes for 15 out of 16 pixels, therefore we need to
have at least 30 bytes, not 16.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
Signed-off-by: Martin Storsjö <martin at martin.st>
(cherry picked from commit 7ba0cedbfeff5671b264d1d7e90777057b5714c6)
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f06e39fe6b272a11782c023c31eec43bfce3138d
---
libavcodec/rpza.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/rpza.c b/libavcodec/rpza.c
index 57d4d2d..59b15c6 100644
--- a/libavcodec/rpza.c
+++ b/libavcodec/rpza.c
@@ -203,7 +203,7 @@ static void rpza_decode_stream(RpzaContext *s)
/* Fill block with 16 colors */
case 0x00:
- if (s->size - stream_ptr < 16)
+ if (s->size - stream_ptr < 30)
return;
block_ptr = row_ptr + pixel_ptr;
for (pixel_y = 0; pixel_y < 4; pixel_y++) {
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