[ 178.268398][ T7803] ip (7803) used greatest stack depth: 23864 bytes left [ 310.204564][ T12] [ 310.204656][ T12] ======================================================== [ 310.204794][ T12] WARNING: possible irq lock inversion dependency detected [ 310.204927][ T12] 7.1.0-rc5-virtme #1 Not tainted [ 310.205018][ T12] -------------------------------------------------------- [ 310.205142][ T12] kworker/u16:0/12 just changed the state of lock: [ 310.205252][ T12] ffffffff943b7438 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 310.205409][ T12] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 310.205568][ T12] (&ndev->lock){++--}-{3:3} [ 310.205571][ T12] [ 310.205571][ T12] [ 310.205571][ T12] and interrupts could create inverse lock ordering between them. [ 310.205571][ T12] [ 310.205873][ T12] [ 310.205873][ T12] other info that might help us debug this: [ 310.206042][ T12] Possible interrupt unsafe locking scenario: [ 310.206042][ T12] [ 310.206164][ T12] CPU0 CPU1 [ 310.206255][ T12] ---- ---- [ 310.206341][ T12] lock(acaddr_hash_lock); [ 310.206425][ T12] local_irq_disable(); [ 310.206529][ T12] lock(&ndev->lock); [ 310.206631][ T12] lock(acaddr_hash_lock); [ 310.206735][ T12] [ 310.206797][ T12] lock(&ndev->lock); [ 310.206862][ T12] [ 310.206862][ T12] *** DEADLOCK *** [ 310.206862][ T12] [ 310.206988][ T12] 4 locks held by kworker/u16:0/12: [ 310.207071][ T12] #0: ff110000019e9d40 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xd55/0x1410 [ 310.207249][ T12] #1: ffa00000000c7d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xdb7/0x1410 [ 310.207399][ T12] #2: ffffffff94298268 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbf/0x940 [ 310.207547][ T12] #3: ffffffff942b4040 (rtnl_mutex){+.+.}-{4:4}, at: default_device_exit_batch+0x9a/0x600 [ 310.207713][ T12] [ 310.207713][ T12] the shortest dependencies between 2nd lock and 1st lock: [ 310.207856][ T12] -> (&ndev->lock){++--}-{3:3} { [ 310.207944][ T12] HARDIRQ-ON-W at: [ 310.208010][ T12] __lock_acquire+0x378/0xc10 [ 310.208116][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.208224][ T12] _raw_write_lock_bh+0x38/0x50 [ 310.208332][ T12] addrconf_permanent_addr+0x108/0x9c0 [ 310.208455][ T12] addrconf_notify+0x151/0xf30 [ 310.208557][ T12] notifier_call_chain+0xb0/0x320 [ 310.208660][ T12] __dev_notify_flags+0xde/0x280 [ 310.208768][ T12] netif_change_flags+0xfe/0x190 [ 310.208872][ T12] do_setlink.isra.0+0x1d25/0x2a60 [ 310.208978][ T12] rtnl_newlink+0x8d1/0xee0 [ 310.209081][ T12] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 310.209185][ T12] netlink_rcv_skb+0x14e/0x3a0 [ 310.209301][ T12] netlink_unicast+0x486/0x750 [ 310.209405][ T12] netlink_sendmsg+0x735/0xc60 [ 310.209508][ T12] ____sys_sendmsg+0x419/0x850 [ 310.209613][ T12] ___sys_sendmsg+0x14e/0x1d0 [ 310.209759][ T12] __sys_sendmsg+0x145/0x1f0 [ 310.209863][ T12] do_syscall_64+0x117/0x590 [ 310.209970][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 310.210138][ T12] HARDIRQ-ON-R at: [ 310.210205][ T12] __lock_acquire+0x378/0xc10 [ 310.210311][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.210544][ T12] _raw_read_lock_bh+0x44/0x80 [ 310.210645][ T12] inet6_fill_ifla6_attrs+0x1c9c/0x23e0 [ 310.210766][ T12] inet6_fill_link_af+0x5c/0xe0 [ 310.210913][ T12] rtnl_fill_ifinfo.isra.0+0x1a45/0x2cd0 [ 310.211037][ T12] rtmsg_ifinfo_build_skb+0x144/0x250 [ 310.211161][ T12] rtmsg_ifinfo_event.part.0+0x2c/0x130 [ 310.211290][ T12] rtmsg_ifinfo+0x5c/0xb0 [ 310.211437][ T12] register_netdevice+0x1526/0x1bc0 [ 310.211541][ T12] register_netdev+0x23/0x40 [ 310.211689][ T12] vti6_init_net+0x280/0x3c0 [ 310.211795][ T12] ops_init+0x187/0x560 [ 310.211941][ T12] register_pernet_operations+0x395/0x8e0 [ 310.212067][ T12] register_pernet_device+0x2c/0x60 [ 310.212173][ T12] vti6_tunnel_init+0x17/0x100 [ 310.212286][ T12] do_one_initcall+0x12b/0x520 [ 310.212392][ T12] kernel_init_freeable+0x596/0x630 [ 310.212541][ T12] kernel_init+0x1e/0x170 [ 310.212647][ T12] ret_from_fork+0x474/0x6b0 [ 310.212752][ T12] ret_from_fork_asm+0x11/0x20 [ 310.212856][ T12] IN-SOFTIRQ-W at: [ 310.212918][ T12] __lock_acquire+0x378/0xc10 [ 310.213065][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.213262][ T12] _raw_write_lock+0x33/0x40 [ 310.213367][ T12] addrconf_rs_timer+0xb0/0x770 [ 310.213471][ T12] call_timer_fn+0x163/0x4f0 [ 310.213575][ T12] __run_timers+0x68f/0xab0 [ 310.213681][ T12] run_timer_softirq+0xf0/0x160 [ 310.213783][ T12] handle_softirqs+0x1d8/0x940 [ 310.213888][ T12] __irq_exit_rcu+0x103/0x1c0 [ 310.213994][ T12] irq_exit_rcu+0xe/0x30 [ 310.214097][ T12] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 310.214228][ T12] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 310.214356][ T12] pv_native_safe_halt+0xf/0x10 [ 310.214459][ T12] default_idle+0x9/0x10 [ 310.214561][ T12] default_idle_call+0x6e/0xb0 [ 310.214666][ T12] cpuidle_idle_call.constprop.0+0x237/0x410 [ 310.214788][ T12] do_idle+0xf5/0x160 [ 310.214891][ T12] cpu_startup_entry+0x53/0x70 [ 310.215000][ T12] start_secondary+0x204/0x2b0 [ 310.215112][ T12] common_startup_64+0x13e/0x148 [ 310.215232][ T12] IN-SOFTIRQ-R at: [ 310.215344][ T12] __lock_acquire+0x378/0xc10 [ 310.215456][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.215564][ T12] _raw_read_lock_bh+0x44/0x80 [ 310.215710][ T12] ipv6_get_lladdr+0xa8/0x3f0 [ 310.215819][ T12] addrconf_rs_timer+0x251/0x770 [ 310.215925][ T12] call_timer_fn+0x163/0x4f0 [ 310.216032][ T12] __run_timers+0x68f/0xab0 [ 310.216178][ T12] run_timer_softirq+0xf0/0x160 [ 310.216291][ T12] handle_softirqs+0x1d8/0x940 [ 310.216404][ T12] __irq_exit_rcu+0x103/0x1c0 [ 310.216573][ T12] irq_exit_rcu+0xe/0x30 [ 310.216684][ T12] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 310.216826][ T12] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 310.217016][ T12] pv_native_safe_halt+0xf/0x10 [ 310.217127][ T12] default_idle+0x9/0x10 [ 310.217249][ T12] default_idle_call+0x6e/0xb0 [ 310.217409][ T12] cpuidle_idle_call.constprop.0+0x237/0x410 [ 310.217542][ T12] do_idle+0xf5/0x160 [ 310.217653][ T12] cpu_startup_entry+0x53/0x70 [ 310.217811][ T12] start_secondary+0x204/0x2b0 [ 310.217927][ T12] common_startup_64+0x13e/0x148 [ 310.218039][ T12] INITIAL USE at: [ 310.218145][ T12] __lock_acquire+0x378/0xc10 [ 310.218253][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.218357][ T12] _raw_write_lock_bh+0x38/0x50 [ 310.218460][ T12] addrconf_permanent_addr+0x108/0x9c0 [ 310.218598][ T12] addrconf_notify+0x151/0xf30 [ 310.218723][ T12] notifier_call_chain+0xb0/0x320 [ 310.218826][ T12] __dev_notify_flags+0xde/0x280 [ 310.218983][ T12] netif_change_flags+0xfe/0x190 [ 310.219100][ T12] do_setlink.isra.0+0x1d25/0x2a60 [ 310.219217][ T12] rtnl_newlink+0x8d1/0xee0 [ 310.219321][ T12] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 310.219426][ T12] netlink_rcv_skb+0x14e/0x3a0 [ 310.219538][ T12] netlink_unicast+0x486/0x750 [ 310.219651][ T12] netlink_sendmsg+0x735/0xc60 [ 310.219757][ T12] ____sys_sendmsg+0x419/0x850 [ 310.219863][ T12] ___sys_sendmsg+0x14e/0x1d0 [ 310.220009][ T12] __sys_sendmsg+0x145/0x1f0 [ 310.220111][ T12] do_syscall_64+0x117/0x590 [ 310.220220][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 310.220396][ T12] INITIAL READ USE at: [ 310.220481][ T12] __lock_acquire+0x378/0xc10 [ 310.220592][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.220766][ T12] _raw_read_lock_bh+0x44/0x80 [ 310.220872][ T12] inet6_fill_ifla6_attrs+0x1c9c/0x23e0 [ 310.221002][ T12] inet6_fill_link_af+0x5c/0xe0 [ 310.221154][ T12] rtnl_fill_ifinfo.isra.0+0x1a45/0x2cd0 [ 310.221282][ T12] rtmsg_ifinfo_build_skb+0x144/0x250 [ 310.221403][ T12] rtmsg_ifinfo_event.part.0+0x2c/0x130 [ 310.221569][ T12] rtmsg_ifinfo+0x5c/0xb0 [ 310.221670][ T12] register_netdevice+0x1526/0x1bc0 [ 310.221795][ T12] register_netdev+0x23/0x40 [ 310.221939][ T12] vti6_init_net+0x280/0x3c0 [ 310.222086][ T12] ops_init+0x187/0x560 [ 310.222242][ T12] register_pernet_operations+0x395/0x8e0 [ 310.222365][ T12] register_pernet_device+0x2c/0x60 [ 310.222492][ T12] vti6_tunnel_init+0x17/0x100 [ 310.222595][ T12] do_one_initcall+0x12b/0x520 [ 310.222744][ T12] kernel_init_freeable+0x596/0x630 [ 310.222866][ T12] kernel_init+0x1e/0x170 [ 310.222968][ T12] ret_from_fork+0x474/0x6b0 [ 310.223118][ T12] ret_from_fork_asm+0x11/0x20 [ 310.223225][ T12] } [ 310.223271][ T12] ... key at: [] __key.37+0x0/0x40 [ 310.223401][ T12] ... acquired at: [ 310.223507][ T12] __lock_acquire+0x508/0xc10 [ 310.223592][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.223676][ T12] _raw_spin_lock+0x33/0x40 [ 310.223758][ T12] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 310.223904][ T12] __ipv6_dev_ac_inc+0x57e/0x930 [ 310.223986][ T12] addrconf_join_anycast+0x1bc/0x260 [ 310.224068][ T12] __ipv6_ifa_notify+0x75b/0xad0 [ 310.224149][ T12] addrconf_dad_completed+0x14b/0xe10 [ 310.224338][ T12] addrconf_dad_work+0x3c1/0x930 [ 310.224430][ T12] process_one_work+0xdf8/0x1410 [ 310.224517][ T12] worker_thread+0x4f1/0xd60 [ 310.224605][ T12] kthread+0x367/0x460 [ 310.224670][ T12] ret_from_fork+0x474/0x6b0 [ 310.224754][ T12] ret_from_fork_asm+0x11/0x20 [ 310.224834][ T12] [ 310.224877][ T12] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 310.224965][ T12] HARDIRQ-ON-W at: [ 310.225074][ T12] __lock_acquire+0x378/0xc10 [ 310.225229][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.225332][ T12] _raw_spin_lock+0x33/0x40 [ 310.225435][ T12] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 310.225555][ T12] __ipv6_dev_ac_inc+0x57e/0x930 [ 310.225701][ T12] addrconf_join_anycast+0x1bc/0x260 [ 310.225803][ T12] __ipv6_ifa_notify+0x75b/0xad0 [ 310.225906][ T12] addrconf_dad_completed+0x14b/0xe10 [ 310.226011][ T12] addrconf_dad_work+0x3c1/0x930 [ 310.226208][ T12] process_one_work+0xdf8/0x1410 [ 310.226315][ T12] worker_thread+0x4f1/0xd60 [ 310.226417][ T12] kthread+0x367/0x460 [ 310.226544][ T12] ret_from_fork+0x474/0x6b0 [ 310.226647][ T12] ret_from_fork_asm+0x11/0x20 [ 310.226751][ T12] SOFTIRQ-ON-W at: [ 310.226813][ T12] __lock_acquire+0x378/0xc10 [ 310.226918][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.227022][ T12] _raw_spin_lock+0x33/0x40 [ 310.227127][ T12] __ipv6_dev_ac_dec+0x236/0x5d0 [ 310.227280][ T12] addrconf_leave_anycast+0x1bc/0x260 [ 310.227384][ T12] __ipv6_ifa_notify+0x6b4/0xad0 [ 310.227490][ T12] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 310.227595][ T12] addrconf_notify+0x2c8/0xf30 [ 310.227786][ T12] notifier_call_chain+0xb0/0x320 [ 310.227888][ T12] netif_close_many+0x2c9/0x640 [ 310.227993][ T12] unregister_netdevice_many_notify+0x71a/0x1b30 [ 310.228166][ T12] default_device_exit_batch+0x38b/0x600 [ 310.228298][ T12] ops_undo_list+0x2ce/0x8f0 [ 310.228402][ T12] cleanup_net+0x431/0x940 [ 310.228504][ T12] process_one_work+0xdf8/0x1410 [ 310.228607][ T12] worker_thread+0x4f1/0xd60 [ 310.228710][ T12] kthread+0x367/0x460 [ 310.228884][ T12] ret_from_fork+0x474/0x6b0 [ 310.228989][ T12] ret_from_fork_asm+0x11/0x20 [ 310.229092][ T12] INITIAL USE at: [ 310.229202][ T12] __lock_acquire+0x378/0xc10 [ 310.229306][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.229411][ T12] _raw_spin_lock+0x33/0x40 [ 310.229514][ T12] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 310.229636][ T12] __ipv6_dev_ac_inc+0x57e/0x930 [ 310.229782][ T12] addrconf_join_anycast+0x1bc/0x260 [ 310.229886][ T12] __ipv6_ifa_notify+0x75b/0xad0 [ 310.230033][ T12] addrconf_dad_completed+0x14b/0xe10 [ 310.230138][ T12] addrconf_dad_work+0x3c1/0x930 [ 310.230243][ T12] process_one_work+0xdf8/0x1410 [ 310.230390][ T12] worker_thread+0x4f1/0xd60 [ 310.230491][ T12] kthread+0x367/0x460 [ 310.230572][ T12] ret_from_fork+0x474/0x6b0 [ 310.230721][ T12] ret_from_fork_asm+0x11/0x20 [ 310.230823][ T12] } [ 310.230864][ T12] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 310.230987][ T12] ... acquired at: [ 310.231089][ T12] mark_lock+0x1d7/0xa00 [ 310.231170][ T12] mark_usage+0x105/0x170 [ 310.231254][ T12] __lock_acquire+0x378/0xc10 [ 310.231338][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.231463][ T12] _raw_spin_lock+0x33/0x40 [ 310.231545][ T12] __ipv6_dev_ac_dec+0x236/0x5d0 [ 310.231626][ T12] addrconf_leave_anycast+0x1bc/0x260 [ 310.231709][ T12] __ipv6_ifa_notify+0x6b4/0xad0 [ 310.231831][ T12] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 310.231912][ T12] addrconf_notify+0x2c8/0xf30 [ 310.231995][ T12] notifier_call_chain+0xb0/0x320 [ 310.232075][ T12] netif_close_many+0x2c9/0x640 [ 310.232204][ T12] unregister_netdevice_many_notify+0x71a/0x1b30 [ 310.232311][ T12] default_device_exit_batch+0x38b/0x600 [ 310.232416][ T12] ops_undo_list+0x2ce/0x8f0 [ 310.232496][ T12] cleanup_net+0x431/0x940 [ 310.232620][ T12] process_one_work+0xdf8/0x1410 [ 310.232707][ T12] worker_thread+0x4f1/0xd60 [ 310.232790][ T12] kthread+0x367/0x460 [ 310.232852][ T12] ret_from_fork+0x474/0x6b0 [ 310.232977][ T12] ret_from_fork_asm+0x11/0x20 [ 310.233060][ T12] [ 310.233101][ T12] [ 310.233101][ T12] stack backtrace: [ 310.233211][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 310.233214][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 310.233217][ T12] Workqueue: netns cleanup_net [ 310.233220][ T12] Call Trace: [ 310.233222][ T12] [ 310.233224][ T12] dump_stack_lvl+0x6f/0xa0 [ 310.233227][ T12] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 310.233230][ T12] mark_lock_irq+0x989/0x9c0 [ 310.233233][ T12] mark_lock+0x1d7/0xa00 [ 310.233235][ T12] mark_usage+0x105/0x170 [ 310.233237][ T12] __lock_acquire+0x378/0xc10 [ 310.233239][ T12] lock_acquire.part.0+0xbc/0x260 [ 310.233241][ T12] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 310.233243][ T12] ? rcu_is_watching+0x15/0xd0 [ 310.233246][ T12] ? do_raw_read_unlock+0x70/0x70 [ 310.233248][ T12] ? lock_acquire+0x134/0x160 [ 310.233250][ T12] _raw_spin_lock+0x33/0x40 [ 310.233252][ T12] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 310.233253][ T12] __ipv6_dev_ac_dec+0x236/0x5d0 [ 310.233256][ T12] addrconf_leave_anycast+0x1bc/0x260 [ 310.233258][ T12] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 310.233260][ T12] ? __ipv6_isatap_ifid+0x210/0x210 [ 310.233262][ T12] ? nlmsg_notify+0x62/0x250 [ 310.233265][ T12] __ipv6_ifa_notify+0x6b4/0xad0 [ 310.233267][ T12] ? cleanup_prefix_route+0x550/0x550 [ 310.233269][ T12] ? find_held_lock+0x2b/0x80 [ 310.233271][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 310.233272][ T12] ? __rwlock_init+0x150/0x150 [ 310.233274][ T12] ? mark_held_locks+0x40/0x70 [ 310.233276][ T12] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 310.233278][ T12] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 310.233280][ T12] ? __timer_delete_sync+0xdb/0x130 [ 310.233283][ T12] ? addrconf_dad_run+0x1b0/0x1b0 [ 310.233285][ T12] ? netkit_xmit+0x14c0/0x14c0 [ 310.233289][ T12] ? mark_held_locks+0x40/0x70 [ 310.233291][ T12] addrconf_notify+0x2c8/0xf30 [ 310.233292][ T12] ? team_port_get_rtnl+0x65/0xc0 [ 310.233295][ T12] notifier_call_chain+0xb0/0x320 [ 310.233297][ T12] netif_close_many+0x2c9/0x640 [ 310.233299][ T12] ? lock_acquire+0x134/0x160 [ 310.233300][ T12] ? rcu_is_watching+0x15/0xd0 [ 310.233302][ T12] ? rcu_is_watching+0x15/0xd0 [ 310.233304][ T12] ? __dev_close_many+0x670/0x670 [ 310.233306][ T12] ? netif_close_many_and_unlock+0x22/0x2c0 [ 310.233308][ T12] unregister_netdevice_many_notify+0x71a/0x1b30 [ 310.233310][ T12] ? mutex_is_locked+0x1c/0x50 [ 310.233313][ T12] ? unregister_netdevice_queued+0x80/0x80 [ 310.233315][ T12] ? mutex_is_locked+0x1c/0x50 [ 310.233317][ T12] ? rtnl_is_locked+0x15/0x20 [ 310.233319][ T12] ? unregister_netdevice_queue+0x6a/0x470 [ 310.233321][ T12] ? unregister_netdevice_many+0x20/0x20 [ 310.233323][ T12] default_device_exit_batch+0x38b/0x600 [ 310.233325][ T12] ? unregister_netdev+0x60/0x60 [ 310.233326][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0 [ 310.233329][ T12] ? fou_exit_net+0x30/0x110 [ 310.233333][ T12] ops_undo_list+0x2ce/0x8f0 [ 310.233335][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 310.233337][ T12] ? netns_install+0x2a0/0x2a0 [ 310.233338][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 310.233340][ T12] ? idr_destroy+0x121/0x250 [ 310.233343][ T12] cleanup_net+0x431/0x940 [ 310.233345][ T12] ? net_passive_dec+0x1c0/0x1c0 [ 310.233346][ T12] ? process_one_work+0xdb7/0x1410 [ 310.233348][ T12] ? lock_acquire+0x134/0x160 [ 310.233350][ T12] ? rcu_is_watching+0x15/0xd0 [ 310.233352][ T12] process_one_work+0xdf8/0x1410 [ 310.233355][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 310.233357][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 310.233359][ T12] worker_thread+0x4f1/0xd60 [ 310.233363][ T12] ? rescuer_thread+0x1320/0x1320 [ 310.233364][ T12] kthread+0x367/0x460 [ 310.233366][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 310.233369][ T12] ? kthread_affine_node+0x330/0x330 [ 310.233371][ T12] ret_from_fork+0x474/0x6b0 [ 310.233373][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 310.233375][ T12] ? __switch_to+0x5a3/0xe00 [ 310.233377][ T12] ? kthread_affine_node+0x330/0x330 [ 310.233379][ T12] ret_from_fork_asm+0x11/0x20 [ 310.233382][ T12]