Subject: [merged] agp-info-leak-in-agpioc_info_wrap.patch removed from -mm tree
To: dan.carpenter@xxxxxxxxxx,airlied@xxxxxxxx,daniel.vetter@xxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 07 May 2014 12:05:21 -0700
The patch titled
Subject: agp: info leak in agpioc_info_wrap()
has been removed from the -mm tree. Its filename was
agp-info-leak-in-agpioc_info_wrap.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: agp: info leak in agpioc_info_wrap()
On 64 bit systems the agp_info struct has a 4 byte hole between ->agp_mode
and ->aper_base. We need to clear it to avoid disclosing stack
information to userspace.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/agp/frontend.c | 1 +
1 file changed, 1 insertion(+)
diff -puN drivers/char/agp/frontend.c~agp-info-leak-in-agpioc_info_wrap drivers/char/agp/frontend.c
--- a/drivers/char/agp/frontend.c~agp-info-leak-in-agpioc_info_wrap
+++ a/drivers/char/agp/frontend.c
@@ -730,6 +730,7 @@ static int agpioc_info_wrap(struct agp_f
agp_copy_info(agp_bridge, &kerninfo);
+ memset(&userinfo, 0, sizeof(userinfo));
userinfo.version.major = kerninfo.version.major;
userinfo.version.minor = kerninfo.version.minor;
userinfo.bridge_id = kerninfo.device->vendor |
_
Patches currently in -mm which might be from dan.carpenter@xxxxxxxxxx are
origin.patch
lib-stringc-use-the-name-c-string-in-comments.patch
linux-next.patch
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