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TITLE: INFO: rcu detected stall in br_handle_frame
TYPE: HANG
[ 268.109997] bridge0: received packet on bridge_slave_0 with own address as source address
[ 268.110510] bridge0: received packet on bridge_slave_0 with own address as source address
[ 268.111039] bridge0: received packet on bridge_slave_0 with own address as source address
[ 268.638278] INFO: rcu_sched self-detected stall on CPU
[ 268.643724] 1-...: (10500 ticks this GP) idle=7fb/140000000000001/0 softirq=7363/7366 fqs=2223
[ 268.652635] (t=10500 jiffies g=2314 c=2313 q=216)
[ 268.657826] Task dump for CPU 1:
[ 268.661186] kworker/u4:2 R running task 27384 2030 2 0x00000008
[ 268.668655] Workqueue: netns cleanup_net
[ 268.672841] ffff8801ca698000 ffff8801db7072e0 ffffffff813eb3e6 1ffff1003b6e3ebf
[ 268.680895] ffff8801db71ecc0 0000000000000001 dffffc0000000000 ffffffff832dcec0
[ 268.688951] ffffffff832dcf44 ffff8801db7072f0 ffffffff813eb402 ffff8801db707310
[ 268.697003] Call Trace:
[ 268.699573] <IRQ> [<ffffffff813eb3e6>] _sched_show_task+0x2d0/0x2dc
[ 268.706289] [<ffffffff813eb402>] sched_show_task+0x10/0x12
[ 268.711995] [<ffffffff813eb53d>] dump_cpu_task+0x7e/0x83
[ 268.717534] [<ffffffff813f1168>] rcu_dump_cpu_stacks+0x155/0x169
[ 268.723767] [<ffffffff813f1b4f>] rcu_check_callbacks.cold.83+0x5f5/0xc05
[ 268.730700] [<ffffffff8125d08f>] update_process_times+0x3f/0x70
[ 268.736853] [<ffffffff81286f8a>] tick_sched_handle.isra.17+0x5a/0xf0
[ 268.743427] [<ffffffff812877a7>] tick_sched_timer+0x77/0x130
[ 268.755533] [<ffffffff8126021c>] __hrtimer_run_queues+0x36c/0xda0
[ 268.786608] [<ffffffff8126165b>] hrtimer_interrupt+0x18b/0x3f0
[ 268.792660] [<ffffffff810911aa>] local_apic_timer_interrupt+0x7a/0xa0
[ 268.799325] [<ffffffff82a608c1>] smp_apic_timer_interrupt+0x81/0xb0
[ 268.805809] [<ffffffff82a5ecc0>] apic_timer_interrupt+0xa0/0xb0
[ 268.823881] [<ffffffff822e04aa>] lockdep_rtnl_is_held+0x1a/0x30
[ 268.830020] [<ffffffff8297ead9>] br_validate_ipv6+0x779/0xcf0
[ 268.854769] [<ffffffff8297f0d5>] br_nf_pre_routing_ipv6+0x85/0x520
[ 268.884956] [<ffffffff8297cd22>] br_nf_pre_routing+0x8c2/0x1040
[ 268.903028] [<ffffffff823e2b77>] nf_iterate+0x187/0x210
[ 268.908474] [<ffffffff823e2db5>] nf_hook_slow+0x1b5/0x330
[ 268.931204] [<ffffffff8294e062>] br_handle_frame+0x732/0xca0
[ 268.957406] [<ffffffff822ab8d4>] __netif_receive_skb_core+0x7b4/0x27e0
[ 268.982260] [<ffffffff822ad960>] __netif_receive_skb+0x60/0x1c0
[ 268.988398] [<ffffffff822b1c6d>] process_backlog+0x21d/0x6a0
[ 269.000323] [<ffffffff822aec29>] net_rx_action+0x2d9/0xc50
[ 269.024455] [<ffffffff82a610e1>] __do_softirq+0x231/0x9f2
[ 269.036557] [<ffffffff82a5fb3c>] do_softirq_own_stack+0x1c/0x30
[ 269.042690] <EOI> [<ffffffff8111a2a9>] do_softirq.part.17+0x59/0x60
[ 269.049401] [<ffffffff8111a369>] __local_bh_enable_ip+0xb9/0xc0
[ 269.055544] [<ffffffff8240181d>] nf_ct_iterate_cleanup+0x10d/0x520
[ 269.068606] [<ffffffff824160b3>] nf_ct_l3proto_pernet_unregister+0xb3/0xe0
[ 269.081669] [<ffffffff82779601>] ipv4_net_exit+0x21/0x60
[ 269.087203] [<ffffffff8228ae55>] ops_exit_list.isra.6+0xb5/0x160
[ 269.093438] [<ffffffff8228ddae>] cleanup_net+0x31e/0x5e0
[ 269.110339] [<ffffffff8115eba9>] process_one_work+0x7c9/0x14f0
[ 269.128745] [<ffffffff8115f9ae>] worker_thread+0xde/0xfc0
[ 269.141289] [<ffffffff8116dfb2>] kthread+0x272/0x310
[ 269.171975] [<ffffffff82a5e1fe>] ret_from_fork+0x4e/0x80
[ 273.109547] net_ratelimit: 10606 callbacks suppressed
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