linux-kernel - [PATCH] slub: Fix possible format string bug.

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Date:	Sat, 4 Jan 2014 16:32:31 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	cl@...ux-foundation.org, penberg@...nel.org, mpm@...enic.com
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] slub: Fix possible format string bug.

I found an unapplied patch from https://lkml.org/lkml/2013/9/19/17 .
----------
>>From 38f01b48ae371058845274f4d7def4d81dbac4ea Mon Sep 17 00:00:00 2001
From: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Date: Sat, 4 Jan 2014 16:26:00 +0900
Subject: [PATCH] slub: Fix possible format string bug.

The "name" is determined at runtime and is parsed as format string.

Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
---
 mm/slub.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c
index 545a170..058381e 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -5163,7 +5163,7 @@ static int sysfs_slab_add(struct kmem_cache *s)
 	}
 
 	s->kobj.kset = slab_kset;
-	err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, name);
+	err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, "%s", name);
 	if (err) {
 		kobject_put(&s->kobj);
 		return err;
-- 
1.7.9.5
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