From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 1/4] ipvs: fix memory leak in ip_vs_ctl.c
Date: Sat, 16 May 2015 20:47:15 +0200 [thread overview]
Message-ID: <1431802038-4502-2-git-send-email-pablo@netfilter.org> (raw)
In-Reply-To: <1431802038-4502-1-git-send-email-pablo@netfilter.org>
From: Tommi Rantala <tt.rantala@gmail.com>
Fix memory leak introduced in commit a0840e2e165a ("IPVS: netns,
ip_vs_ctl local vars moved to ipvs struct."):
unreferenced object 0xffff88005785b800 (size 2048):
comm "(-localed)", pid 1434, jiffies 4294755650 (age 1421.089s)
hex dump (first 32 bytes):
bb 89 0b 83 ff ff ff ff b0 78 f0 4e 00 88 ff ff .........x.N....
04 00 00 00 a4 01 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8262ea8e>] kmemleak_alloc+0x4e/0xb0
[<ffffffff811fba74>] __kmalloc_track_caller+0x244/0x430
[<ffffffff811b88a0>] kmemdup+0x20/0x50
[<ffffffff823276b7>] ip_vs_control_net_init+0x1f7/0x510
[<ffffffff8231d630>] __ip_vs_init+0x100/0x250
[<ffffffff822363a1>] ops_init+0x41/0x190
[<ffffffff82236583>] setup_net+0x93/0x150
[<ffffffff82236cc2>] copy_net_ns+0x82/0x140
[<ffffffff810ab13d>] create_new_namespaces+0xfd/0x190
[<ffffffff810ab49a>] unshare_nsproxy_namespaces+0x5a/0xc0
[<ffffffff810833e3>] SyS_unshare+0x173/0x310
[<ffffffff8265cbd7>] system_call_fastpath+0x12/0x6f
[<ffffffffffffffff>] 0xffffffffffffffff
Fixes: a0840e2e165a ("IPVS: netns, ip_vs_ctl local vars moved to ipvs struct.")
Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
net/netfilter/ipvs/ip_vs_ctl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 4953267..285eae3 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -3823,6 +3823,9 @@ static void __net_exit ip_vs_control_net_cleanup_sysctl(struct net *net)
cancel_work_sync(&ipvs->defense_work.work);
unregister_net_sysctl_table(ipvs->sysctl_hdr);
ip_vs_stop_estimator(net, &ipvs->tot_stats);
+
+ if (!net_eq(net, &init_net))
+ kfree(ipvs->sysctl_tbl);
}
#else
--
1.7.10.4
next prev parent reply other threads:[~2015-05-16 18:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-16 18:47 [PATCH 0/4] Netfilter fixes for net Pablo Neira Ayuso
2015-05-16 18:47 ` Pablo Neira Ayuso [this message]
2015-05-16 18:47 ` [PATCH 2/4] netfilter: avoid build error if TPROXY/SOCKET=y && NF_DEFRAG_IPV6=m Pablo Neira Ayuso
2015-05-16 19:07 ` Sergei Shtylyov
2015-05-16 19:24 ` Pablo Neira Ayuso
2015-05-16 18:47 ` [PATCH 3/4] conntrack: RFC5961 challenge ACK confuse conntrack LAST-ACK transition Pablo Neira Ayuso
2015-05-16 18:47 ` [PATCH 4/4] netfilter: nf_tables: fix bogus warning in nft_data_uninit() Pablo Neira Ayuso
2015-05-16 20:45 ` [PATCH 0/4] Netfilter fixes for net David Miller
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