netdev - [PATCH 6/9] Fix leaking of kernel heap addresses in net/

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Date:	Sun, 07 Nov 2010 11:32:56 -0500
From:	Dan Rosenberg <drosenberg@...curity.com>
To:	chas@....nrl.navy.mil, davem@...emloft.net, kuznet@....inr.ac.ru,
	pekkas@...core.fi, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, remi.denis-courmont@...ia.com
Cc:	netdev@...r.kernel.org, security@...nel.org, stable@...nel.org
Subject: [PATCH 6/9] Fix leaking of kernel heap addresses in net/

Signed-off-by: Dan Rosenberg <drosenberg@...curity.com>

diff -urp linux-2.6.37-rc1.orig/net/netlink/af_netlink.c linux-2.6.37-rc1/net/netlink/af_netlink.c
--- linux-2.6.37-rc1.orig/net/netlink/af_netlink.c	2010-11-01 07:54:12.000000000 -0400
+++ linux-2.6.37-rc1/net/netlink/af_netlink.c	2010-11-07 10:48:47.000000000 -0500
@@ -162,7 +162,8 @@ static void netlink_sock_destruct(struct
 	skb_queue_purge(&sk->sk_receive_queue);
 
 	if (!sock_flag(sk, SOCK_DEAD)) {
-		printk(KERN_ERR "Freeing alive netlink socket %p\n", sk);
+		printk(KERN_ERR "Freeing alive netlink socket %lu\n",
+			sock_i_ino(sk));
 		return;
 	}
 
@@ -1990,14 +1991,15 @@ static int netlink_seq_show(struct seq_f
 		struct sock *s = v;
 		struct netlink_sock *nlk = nlk_sk(s);
 
-		seq_printf(seq, "%p %-3d %-6d %08x %-8d %-8d %p %-8d %-8d %-8lu\n",
-			   s,
+		seq_printf(seq, "%d %-3d %-6d %08x %-8d %-8d"
+			   " %d %-8d %-8d %-8lu\n",
+			   0,
 			   s->sk_protocol,
 			   nlk->pid,
 			   nlk->groups ? (u32)nlk->groups[0] : 0,
 			   sk_rmem_alloc_get(s),
 			   sk_wmem_alloc_get(s),
-			   nlk->cb,
+			   0,
 			   atomic_read(&s->sk_refcnt),
 			   atomic_read(&s->sk_drops),
 			   sock_i_ino(s)



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