This is a note to let you know that I've just added the patch titled
selinux: use GFP_ATOMIC under spin_lock
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
selinux-use-gfp_atomic-under-spin_lock.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4502403dcf8f5c76abd4dbab8726c8e4ecb5cd34 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Sat, 16 Mar 2013 12:48:11 +0300
Subject: selinux: use GFP_ATOMIC under spin_lock
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 4502403dcf8f5c76abd4dbab8726c8e4ecb5cd34 upstream.
The call tree here is:
sk_clone_lock() <- takes bh_lock_sock(newsk);
xfrm_sk_clone_policy()
__xfrm_sk_clone_policy()
clone_policy() <- uses GFP_ATOMIC for allocations
security_xfrm_policy_clone()
security_ops->xfrm_policy_clone_security()
selinux_xfrm_policy_clone()
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: James Morris <james.l.morris@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
security/selinux/xfrm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -310,7 +310,7 @@ int selinux_xfrm_policy_clone(struct xfr
if (old_ctx) {
new_ctx = kmalloc(sizeof(*old_ctx) + old_ctx->ctx_len,
- GFP_KERNEL);
+ GFP_ATOMIC);
if (!new_ctx)
return -ENOMEM;
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-3.0/selinux-use-gfp_atomic-under-spin_lock.patch
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