From: Alexey Dobriyan <adobriyan@gmail.com>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org
Subject: [PATCH] af_key: mark policy as dead before destroying
Date: Fri, 7 Nov 2008 05:49:54 +0300 [thread overview]
Message-ID: <20081107024954.GA20157@x200.localdomain> (raw)
xfrm_policy_destroy() will oops if not dead policy is passed to it.
On error path in pfkey_compile_policy() exactly this happens.
Oopsable for CAP_NET_ADMIN owners.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
net/key/af_key.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3189,6 +3189,7 @@ static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt,
return xp;
out:
+ xp->walk.dead = 1;
xfrm_policy_destroy(xp);
return NULL;
}
next reply other threads:[~2008-11-07 2:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-07 2:49 Alexey Dobriyan [this message]
2008-11-07 7:09 ` [PATCH] af_key: mark policy as dead before destroying David Miller
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