[ 251.920788] INFO: trying to register non-static key.
[ 251.921386] the code is fine but needs lockdep annotation.
[ 251.921386] turning off the locking correctness validator.
[ 251.921386] CPU: 2 PID: 15715 Comm: socket_listen Not tainted 3.14.0+ #294
[ 251.921386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 251.921386] 0000000000000000 000000009d18c210 ffff880075f039b8 ffffffff816b7ecd
[ 251.921386] ffffffff822c3b10 ffff880075f039c8 ffffffff816b36f4 ffff880075f03aa0
[ 251.921386] ffffffff810c65ff ffffffff810c4a85 00000000fffffe01 ffffffffa0075172
[ 251.921386] Call Trace:
[ 251.921386] [<ffffffff816b7ecd>] dump_stack+0x45/0x56
[ 251.921386] [<ffffffff816b36f4>] register_lock_class.part.24+0x38/0x3c
[ 251.921386] [<ffffffff810c65ff>] __lock_acquire+0x168f/0x1b40
[ 251.921386] [<ffffffff810c4a85>] ? trace_hardirqs_on_caller+0x105/0x1d0
[ 251.921386] [<ffffffffa0075172>] ? nf_nat_setup_info+0x252/0x3a0 [nf_nat]
[ 251.921386] [<ffffffff816c1215>] ? _raw_spin_unlock_bh+0x35/0x40
[ 251.921386] [<ffffffffa0075172>] ? nf_nat_setup_info+0x252/0x3a0 [nf_nat]
[ 251.921386] [<ffffffff810c7272>] lock_acquire+0xa2/0x120
[ 251.921386] [<ffffffffa008ab90>] ? ipv4_confirm+0x90/0xf0 [nf_conntrack_ipv4]
[ 251.921386] [<ffffffffa0055989>] __nf_conntrack_confirm+0x129/0x410 [nf_conntrack]
[ 251.921386] [<ffffffffa008ab90>] ? ipv4_confirm+0x90/0xf0 [nf_conntrack_ipv4]
[ 251.921386] [<ffffffffa008ab90>] ipv4_confirm+0x90/0xf0 [nf_conntrack_ipv4]
[ 251.921386] [<ffffffff815e7b00>] ? ip_fragment+0x9f0/0x9f0
[ 251.921386] [<ffffffff815d8c5a>] nf_iterate+0xaa/0xc0
[ 251.921386] [<ffffffff815e7b00>] ? ip_fragment+0x9f0/0x9f0
[ 251.921386] [<ffffffff815d8d14>] nf_hook_slow+0xa4/0x190
[ 251.921386] [<ffffffff815e7b00>] ? ip_fragment+0x9f0/0x9f0
[ 251.921386] [<ffffffff815e98f2>] ip_output+0x92/0x100
[ 251.921386] [<ffffffff815e8df9>] ip_local_out+0x29/0x90
[ 251.921386] [<ffffffff815e9240>] ip_queue_xmit+0x170/0x4c0
[ 251.921386] [<ffffffff815e90d5>] ? ip_queue_xmit+0x5/0x4c0
[ 251.921386] [<ffffffff81601208>] tcp_transmit_skb+0x498/0x960
[ 251.921386] [<ffffffff81602d82>] tcp_connect+0x812/0x960
[ 251.921386] [<ffffffff810e3dc5>] ? ktime_get_real+0x25/0x70
[ 251.921386] [<ffffffff8159ea2a>] ? secure_tcp_sequence_number+0x6a/0xc0
[ 251.921386] [<ffffffff81606f57>] tcp_v4_connect+0x317/0x470
[ 251.921386] [<ffffffff8161f645>] __inet_stream_connect+0xb5/0x330
[ 251.921386] [<ffffffff8158dfc3>] ? lock_sock_nested+0x33/0xa0
[ 251.921386] [<ffffffff810c4b5d>] ? trace_hardirqs_on+0xd/0x10
[ 251.921386] [<ffffffff81078885>] ? __local_bh_enable_ip+0x75/0xe0
[ 251.921386] [<ffffffff8161f8f8>] inet_stream_connect+0x38/0x50
[ 251.921386] [<ffffffff8158b157>] SYSC_connect+0xe7/0x120
[ 251.921386] [<ffffffff810e3789>] ? current_kernel_time+0x69/0xd0
[ 251.921386] [<ffffffff810c4a85>] ? trace_hardirqs_on_caller+0x105/0x1d0
[ 251.921386] [<ffffffff810c4b5d>] ? trace_hardirqs_on+0xd/0x10
[ 251.921386] [<ffffffff8158c36e>] SyS_connect+0xe/0x10
[ 251.921386] [<ffffffff816caf69>] system_call_fastpath+0x16/0x1b
[ 312.014104] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 0, t=60003 jiffies, g=42359, c=42358, q=333)
[ 312.015097] INFO: Stall ended before state dump start
Fixes: 93bb0ceb75be ("netfilter: conntrack: remove central spinlock nf_conntrack_lock")
Cc: Jesper Dangaard Brouer <brouer@xxxxxxxxxx>
Cc: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Cc: Patrick McHardy <kaber@xxxxxxxxx>
Cc: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrey Vagin <avagin@xxxxxxxxxx>
---
net/netfilter/nf_conntrack_core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 6dba48e..75421f2 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1795,6 +1795,7 @@ int nf_conntrack_init_net(struct net *net)
int cpu;
atomic_set(&net->ct.count, 0);
+ seqcount_init(&net->ct.generation);
net->ct.pcpu_lists = alloc_percpu(struct ct_pcpu);
if (!net->ct.pcpu_lists)
--
1.9.0
--
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