linux-kernel - Re: 2.6.21-mm1 and now 2.6.21-git: SLUB Crashes on boot

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Date:	Wed, 9 May 2007 13:02:57 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Kevin Winchester <kjwinchester@...il.com>
Cc:	Christoph Lameter <clameter@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-mm1 and now 2.6.21-git: SLUB Crashes on boot - crypto?

On Tue, May 08, 2007 at 09:58:09PM -0300, Kevin Winchester wrote:
>
> Not having any idea what I'm doing, I looked at cryptomgr_probe and 
> cryptomgr_notify, and can't seem to see much, except for the following 
> odd lines.
> 
> From cryptomgr_schedule_probe, which is almost certainly inlined into 
> crypto_notify:

Thanks for reporting this.  This patch should fix the problem.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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--
diff -puN crypto/cryptomgr.c~crypto-fix crypto/cryptomgr.c
--- a/crypto/cryptomgr.c~crypto-fix
+++ a/crypto/cryptomgr.c
@@ -24,8 +24,6 @@
 #include "internal.h"
 
 struct cryptomgr_param {
-	struct task_struct *thread;
-
 	struct rtattr *tb[CRYPTOA_MAX];
 
 	struct {
@@ -81,6 +79,7 @@ err:
 
 static int cryptomgr_schedule_probe(struct crypto_larval *larval)
 {
+	struct task_struct *thread;
 	struct cryptomgr_param *param;
 	const char *name = larval->alg.cra_name;
 	const char *p;
@@ -130,8 +129,8 @@ static int cryptomgr_schedule_probe(stru
 
 	memcpy(param->larval.name, larval->alg.cra_name, CRYPTO_MAX_ALG_NAME);
 
-	param->thread = kthread_run(cryptomgr_probe, param, "cryptomgr");
-	if (IS_ERR(param->thread))
+	thread = kthread_run(cryptomgr_probe, param, "cryptomgr");
+	if (IS_ERR(thread))
 		goto err_free_param;
 
 	return NOTIFY_STOP;
_
-
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