[PATCH 2/3] fix the out-of-bounds access of dramsr13

From: Wenjia Zhao
Date: Mon Feb 01 2021 - 10:55:57 EST


Signed-off-by: Wenjia Zhao <driverfuzzing@xxxxxxxxx>
---
drivers/video/fbdev/sis/sis_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 03c736f..6774252 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -4834,7 +4834,7 @@ static int sisfb_post_xgi_ramsize(struct sis_video_info *ivideo)
sisfb_post_xgi_delay(ivideo, 1);

j = (ivideo->chip == XGI_20) ? 5 : 9;
- k = (ivideo->chip == XGI_20) ? 12 : 4;
+ k = (ivideo->chip == XGI_20) ? 11 : 3;
status = -EIO;

for(i = 0; i < k; i++) {
--
2.7.4