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* [PATCH] af_key: mark policy as dead before destroying
@ 2008-11-07  2:49 Alexey Dobriyan
  2008-11-07  7:09 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Alexey Dobriyan @ 2008-11-07  2:49 UTC (permalink / raw)
  To: davem; +Cc: netdev

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;
 }

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2008-11-07  2:49 [PATCH] af_key: mark policy as dead before destroying Alexey Dobriyan
2008-11-07  7:09 ` David Miller

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