From: Chris Wright <chrisw@osdl.org>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: Justin Forbes <jmforbes@linuxtx.org>,
Zwane Mwaikambo <zwane@arm.linux.org.uk>,
"Theodore Ts'o" <tytso@mit.edu>,
Randy Dunlap <rdunlap@xenotime.net>,
Chuck Wolber <chuckw@quantumlinux.com>,
torvalds@osdl.org, akpm@osdl.org, alan@lxorguk.ukuu.org.uk,
Patrick McHardy <kaber@trash.net>,
"David S. Miller" <davem@davemloft.net>
Subject: [08/13] [NETFILTER]: Wait until all references to ip_conntrack_untracked are dropped on unload
Date: Tue, 2 Aug 2005 23:59:48 -0700 [thread overview]
Message-ID: <20050803065948.GW7762@shell0.pdx.osdl.net> (raw)
In-Reply-To: <20050803064439.GO7762@shell0.pdx.osdl.net>
-stable review patch. If anyone has any objections, please let us know.
------------------
[NETFILTER]: Wait until all references to ip_conntrack_untracked are dropped on unload
Fixes a crash when unloading ip_conntrack.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
net/ipv4/netfilter/ip_conntrack_core.c | 3 +++
1 files changed, 3 insertions(+)
--- linux-2.6.12.3.orig/net/ipv4/netfilter/ip_conntrack_core.c 2005-07-28 11:17:01.000000000 -0700
+++ linux-2.6.12.3/net/ipv4/netfilter/ip_conntrack_core.c 2005-07-28 11:17:16.000000000 -0700
@@ -1124,6 +1124,9 @@
schedule();
goto i_see_dead_people;
}
+ /* wait until all references to ip_conntrack_untracked are dropped */
+ while (atomic_read(&ip_conntrack_untracked.ct_general.use) > 1)
+ schedule();
kmem_cache_destroy(ip_conntrack_cachep);
kmem_cache_destroy(ip_conntrack_expect_cachep);
next prev parent reply other threads:[~2005-08-03 7:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-03 6:44 [00/13] -stable review Chris Wright
2005-08-03 6:47 ` [01/13] kbuild: build TAGS problem with O= Chris Wright
2005-08-03 17:37 ` Sam Ravnborg
2005-08-03 6:48 ` [02/13] qla2xxx: Correct handling of fc_remote_port_add() failure case Chris Wright
2005-08-03 6:50 ` [03/13] rocket.c: Fix ldisc ref count handling Chris Wright
2005-08-03 6:52 ` [04/13] x86_64 memleak from malicious 32bit elf program Chris Wright
2005-08-03 8:46 ` Andi Kleen
2005-08-03 6:53 ` [05/13] [NET]: Fix signedness issues in net/core/filter.c Chris Wright
2005-08-03 6:55 ` [06/13] [NETFILTER]: Fix deadlock in ip6_queue Chris Wright
2005-08-03 6:57 ` [07/13] [NETFILTER]: Fix potential memory corruption in NAT code (aka memory NAT) Chris Wright
2005-08-03 6:59 ` Chris Wright [this message]
2005-08-03 7:01 ` [09/13] [XFRM]: Fix possible overflow of sock->sk_policy Chris Wright
2005-08-03 7:03 ` [10/13] [PATCH] bio_clone fix Chris Wright
2005-08-03 7:13 ` Jens Axboe
2005-08-03 7:04 ` [11/13] sys_get_thread_area does not clear the returned argument Chris Wright
2005-08-03 7:06 ` [12/13] [VLAN]: Fix early vlan adding leads to not functional device Chris Wright
2005-08-03 7:07 ` [13/13] Fix powernow oops on dual-core athlon Chris Wright
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