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From: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
To: netfilter-devel@lists.netfilter.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 2.6.20 12/14] nfnetlink_log: possible NULL pointer dereference in nfulnl_recv_config()
Date: Mon, 12 Feb 2007 21:22:24 +0100	[thread overview]
Message-ID: <20070212202224.GC28704@rere.qmqm.pl> (raw)
In-Reply-To: <20070212202052.GA28704@rere.qmqm.pl>

Eliminate possible NULL pointer dereference in nfulnl_recv_config().

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>

--- linux-2.6.20/net/netfilter/nfnetlink_log.c.10	2007-02-12 17:05:14.000000000 +0100
+++ linux-2.6.20/net/netfilter/nfnetlink_log.c	2007-02-12 17:35:50.000000000 +0100
@@ -853,6 +853,9 @@ nfulnl_recv_config(struct sock *ctnl, st
 			ret = -EINVAL;
 			break;
 		}
+
+		if (!inst)
+			goto out_null;
 	} else {
 		if (!inst) {
 			UDEBUG("no config command, and no instance for "

  parent reply	other threads:[~2007-02-12 20:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-12  0:37 [PATCH 2.6.20 00/10] nfnetlink_log: patch series introduction Michał Mirosław
2007-02-12 20:20 ` [PATCH 2.6.20 +0/14] nfnetlink_log: patch series season 2 Michał Mirosław
2007-02-12 20:22   ` [PATCH 2.6.20 11/14] nfnetlink_log: iterator functions need iter_state * only Michał Mirosław
2007-02-13 12:51     ` Patrick McHardy
2007-02-12 20:22   ` Michał Mirosław [this message]
2007-02-13 12:55     ` [PATCH 2.6.20 12/14] nfnetlink_log: possible NULL pointer dereference in nfulnl_recv_config() Patrick McHardy
2007-02-12 20:22   ` [PATCH 2.6.20 13/14] nfnetlink_log: fix reference counting Michał Mirosław
2007-02-13 12:58     ` Patrick McHardy
2007-02-14 11:38       ` Michał Mirosław
2007-02-12 20:23   ` [PATCH 2.6.20 14/14] nfnetlink_log: micro-optimization: inst->skb != NULL in __nfulnl_send() Michał Mirosław
2007-02-14 11:57     ` Michał Mirosław

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