[ 301.670486][ T12] [ 301.670578][ T12] ======================================================== [ 301.670713][ T12] WARNING: possible irq lock inversion dependency detected [ 301.670834][ T12] 7.1.0-rc5-virtme #1 Not tainted [ 301.670917][ T12] -------------------------------------------------------- [ 301.671049][ T12] kworker/u16:0/12 just changed the state of lock: [ 301.671154][ T12] ffffffffb77b7438 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 301.671313][ T12] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 301.671443][ T12] (&ndev->lock){++--}-{3:3} [ 301.671445][ T12] [ 301.671445][ T12] [ 301.671445][ T12] and interrupts could create inverse lock ordering between them. [ 301.671445][ T12] [ 301.671746][ T12] [ 301.671746][ T12] other info that might help us debug this: [ 301.671868][ T12] Possible interrupt unsafe locking scenario: [ 301.671868][ T12] [ 301.671997][ T12] CPU0 CPU1 [ 301.672079][ T12] ---- ---- [ 301.672164][ T12] lock(acaddr_hash_lock); [ 301.672254][ T12] local_irq_disable(); [ 301.672356][ T12] lock(&ndev->lock); [ 301.672461][ T12] lock(acaddr_hash_lock); [ 301.672563][ T12] [ 301.672625][ T12] lock(&ndev->lock); [ 301.672688][ T12] [ 301.672688][ T12] *** DEADLOCK *** [ 301.672688][ T12] [ 301.672808][ T12] 4 locks held by kworker/u16:0/12: [ 301.672893][ T12] #0: ff110000019e9d40 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xd55/0x1410 [ 301.673072][ T12] #1: ffa00000000c7d10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0xdb7/0x1410 [ 301.673216][ T12] #2: ffffffffb7698268 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbf/0x940 [ 301.673364][ T12] #3: ffffffffb76b4040 (rtnl_mutex){+.+.}-{4:4}, at: default_device_exit_batch+0x9a/0x600 [ 301.673528][ T12] [ 301.673528][ T12] the shortest dependencies between 2nd lock and 1st lock: [ 301.673672][ T12] -> (&ndev->lock){++--}-{3:3} { [ 301.673764][ T12] HARDIRQ-ON-W at: [ 301.673830][ T12] __lock_acquire+0x378/0xc10 [ 301.673939][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.674047][ T12] _raw_write_lock_bh+0x38/0x50 [ 301.674156][ T12] addrconf_permanent_addr+0x108/0x9c0 [ 301.674284][ T12] addrconf_notify+0x151/0xf30 [ 301.674392][ T12] notifier_call_chain+0xb0/0x320 [ 301.674500][ T12] __dev_notify_flags+0xde/0x280 [ 301.674605][ T12] netif_change_flags+0xfe/0x190 [ 301.674707][ T12] do_setlink.isra.0+0x1d25/0x2a60 [ 301.674809][ T12] rtnl_newlink+0x8d1/0xee0 [ 301.674912][ T12] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 301.675023][ T12] netlink_rcv_skb+0x14e/0x3a0 [ 301.675127][ T12] netlink_unicast+0x486/0x750 [ 301.675230][ T12] netlink_sendmsg+0x735/0xc60 [ 301.675333][ T12] ____sys_sendmsg+0x419/0x850 [ 301.675440][ T12] ___sys_sendmsg+0x14e/0x1d0 [ 301.675549][ T12] __sys_sendmsg+0x145/0x1f0 [ 301.675658][ T12] do_syscall_64+0x117/0x590 [ 301.675768][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 301.675896][ T12] HARDIRQ-ON-R at: [ 301.675961][ T12] __lock_acquire+0x378/0xc10 [ 301.676069][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.676177][ T12] _raw_read_lock_bh+0x44/0x80 [ 301.676280][ T12] inet6_fill_ifla6_attrs+0x1c9c/0x23e0 [ 301.676405][ T12] inet6_fill_link_af+0x5c/0xe0 [ 301.676512][ T12] rtnl_fill_ifinfo.isra.0+0x1a45/0x2cd0 [ 301.676639][ T12] rtmsg_ifinfo_build_skb+0x144/0x250 [ 301.676762][ T12] rtmsg_ifinfo_event.part.0+0x2c/0x130 [ 301.676886][ T12] rtmsg_ifinfo+0x5c/0xb0 [ 301.676993][ T12] register_netdevice+0x1526/0x1bc0 [ 301.677098][ T12] register_netdev+0x23/0x40 [ 301.677203][ T12] vti6_init_net+0x280/0x3c0 [ 301.677308][ T12] ops_init+0x187/0x560 [ 301.677415][ T12] register_pernet_operations+0x395/0x8e0 [ 301.677540][ T12] register_pernet_device+0x2c/0x60 [ 301.677647][ T12] vti6_tunnel_init+0x17/0x100 [ 301.677754][ T12] do_one_initcall+0x12b/0x520 [ 301.677859][ T12] kernel_init_freeable+0x596/0x630 [ 301.677968][ T12] kernel_init+0x1e/0x170 [ 301.678076][ T12] ret_from_fork+0x474/0x6b0 [ 301.678180][ T12] ret_from_fork_asm+0x11/0x20 [ 301.678290][ T12] IN-SOFTIRQ-W at: [ 301.678352][ T12] __lock_acquire+0x378/0xc10 [ 301.678457][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.678560][ T12] _raw_write_lock+0x33/0x40 [ 301.678666][ T12] addrconf_rs_timer+0xb0/0x770 [ 301.678768][ T12] call_timer_fn+0x163/0x4f0 [ 301.678874][ T12] __run_timers+0x68f/0xab0 [ 301.678983][ T12] run_timer_softirq+0xf0/0x160 [ 301.679088][ T12] handle_softirqs+0x1d8/0x940 [ 301.679192][ T12] __irq_exit_rcu+0x103/0x1c0 [ 301.679295][ T12] irq_exit_rcu+0xe/0x30 [ 301.679401][ T12] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 301.679526][ T12] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 301.679650][ T12] pv_native_safe_halt+0xf/0x10 [ 301.679755][ T12] default_idle+0x9/0x10 [ 301.679865][ T12] default_idle_call+0x6e/0xb0 [ 301.679976][ T12] cpuidle_idle_call.constprop.0+0x237/0x410 [ 301.680101][ T12] do_idle+0xf5/0x160 [ 301.680205][ T12] cpu_startup_entry+0x53/0x70 [ 301.680311][ T12] rest_init+0x1f7/0x200 [ 301.680418][ T12] start_kernel+0x3ad/0x3b0 [ 301.680521][ T12] x86_64_start_reservations+0x24/0x30 [ 301.680646][ T12] x86_64_start_kernel+0x12b/0x130 [ 301.680754][ T12] common_startup_64+0x13e/0x148 [ 301.680860][ T12] IN-SOFTIRQ-R at: [ 301.680931][ T12] __lock_acquire+0x378/0xc10 [ 301.681039][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.681140][ T12] _raw_read_lock_bh+0x44/0x80 [ 301.681242][ T12] ipv6_get_lladdr+0xa8/0x3f0 [ 301.681346][ T12] addrconf_rs_timer+0x251/0x770 [ 301.681453][ T12] call_timer_fn+0x163/0x4f0 [ 301.681555][ T12] __run_timers+0x68f/0xab0 [ 301.681660][ T12] run_timer_softirq+0xf0/0x160 [ 301.681765][ T12] handle_softirqs+0x1d8/0x940 [ 301.681870][ T12] __irq_exit_rcu+0x103/0x1c0 [ 301.681980][ T12] irq_exit_rcu+0xe/0x30 [ 301.682084][ T12] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 301.682211][ T12] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 301.682334][ T12] pv_native_safe_halt+0xf/0x10 [ 301.682442][ T12] default_idle+0x9/0x10 [ 301.682545][ T12] default_idle_call+0x6e/0xb0 [ 301.682651][ T12] cpuidle_idle_call.constprop.0+0x237/0x410 [ 301.682780][ T12] do_idle+0xf5/0x160 [ 301.682888][ T12] cpu_startup_entry+0x53/0x70 [ 301.683000][ T12] rest_init+0x1f7/0x200 [ 301.683111][ T12] start_kernel+0x3ad/0x3b0 [ 301.683217][ T12] x86_64_start_reservations+0x24/0x30 [ 301.683341][ T12] x86_64_start_kernel+0x12b/0x130 [ 301.683448][ T12] common_startup_64+0x13e/0x148 [ 301.683552][ T12] INITIAL USE at: [ 301.683614][ T12] __lock_acquire+0x378/0xc10 [ 301.683717][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.683821][ T12] _raw_write_lock_bh+0x38/0x50 [ 301.683927][ T12] addrconf_permanent_addr+0x108/0x9c0 [ 301.684057][ T12] addrconf_notify+0x151/0xf30 [ 301.684171][ T12] notifier_call_chain+0xb0/0x320 [ 301.684280][ T12] __dev_notify_flags+0xde/0x280 [ 301.684386][ T12] netif_change_flags+0xfe/0x190 [ 301.684489][ T12] do_setlink.isra.0+0x1d25/0x2a60 [ 301.684592][ T12] rtnl_newlink+0x8d1/0xee0 [ 301.684706][ T12] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 301.684856][ T12] netlink_rcv_skb+0x14e/0x3a0 [ 301.684967][ T12] netlink_unicast+0x486/0x750 [ 301.685070][ T12] netlink_sendmsg+0x735/0xc60 [ 301.685225][ T12] ____sys_sendmsg+0x419/0x850 [ 301.685336][ T12] ___sys_sendmsg+0x14e/0x1d0 [ 301.685448][ T12] __sys_sendmsg+0x145/0x1f0 [ 301.685553][ T12] do_syscall_64+0x117/0x590 [ 301.685700][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 301.685831][ T12] INITIAL READ USE at: [ 301.685917][ T12] __lock_acquire+0x378/0xc10 [ 301.686076][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.686208][ T12] _raw_read_lock_bh+0x44/0x80 [ 301.686313][ T12] inet6_fill_ifla6_attrs+0x1c9c/0x23e0 [ 301.686483][ T12] inet6_fill_link_af+0x5c/0xe0 [ 301.686586][ T12] rtnl_fill_ifinfo.isra.0+0x1a45/0x2cd0 [ 301.686710][ T12] rtmsg_ifinfo_build_skb+0x144/0x250 [ 301.686885][ T12] rtmsg_ifinfo_event.part.0+0x2c/0x130 [ 301.687021][ T12] rtmsg_ifinfo+0x5c/0xb0 [ 301.687170][ T12] register_netdevice+0x1526/0x1bc0 [ 301.687294][ T12] register_netdev+0x23/0x40 [ 301.687401][ T12] vti6_init_net+0x280/0x3c0 [ 301.687549][ T12] ops_init+0x187/0x560 [ 301.687660][ T12] register_pernet_operations+0x395/0x8e0 [ 301.687791][ T12] register_pernet_device+0x2c/0x60 [ 301.687962][ T12] vti6_tunnel_init+0x17/0x100 [ 301.688064][ T12] do_one_initcall+0x12b/0x520 [ 301.688167][ T12] kernel_init_freeable+0x596/0x630 [ 301.688334][ T12] kernel_init+0x1e/0x170 [ 301.688439][ T12] ret_from_fork+0x474/0x6b0 [ 301.688541][ T12] ret_from_fork_asm+0x11/0x20 [ 301.688689][ T12] } [ 301.688732][ T12] ... key at: [] __key.37+0x0/0x40 [ 301.688855][ T12] ... acquired at: [ 301.688919][ T12] __lock_acquire+0x508/0xc10 [ 301.689005][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.689139][ T12] _raw_spin_lock+0x33/0x40 [ 301.689219][ T12] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 301.689320][ T12] __ipv6_dev_ac_inc+0x57e/0x930 [ 301.689451][ T12] addrconf_join_anycast+0x1bc/0x260 [ 301.689533][ T12] dev_forward_change+0x2be/0x850 [ 301.689617][ T12] addrconf_fixup_forwarding+0x2af/0x4d0 [ 301.689720][ T12] addrconf_sysctl_forward+0x209/0x2b0 [ 301.689850][ T12] proc_sys_call_handler+0x31b/0x480 [ 301.689934][ T12] new_sync_write+0x333/0x750 [ 301.690024][ T12] vfs_write+0x6a4/0xc10 [ 301.690107][ T12] ksys_write+0x116/0x250 [ 301.690233][ T12] do_syscall_64+0x117/0x590 [ 301.690317][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 301.690421][ T12] [ 301.690463][ T12] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 301.690547][ T12] HARDIRQ-ON-W at: [ 301.690609][ T12] __lock_acquire+0x378/0xc10 [ 301.690719][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.690822][ T12] _raw_spin_lock+0x33/0x40 [ 301.690976][ T12] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 301.691100][ T12] __ipv6_dev_ac_inc+0x57e/0x930 [ 301.691203][ T12] addrconf_join_anycast+0x1bc/0x260 [ 301.691356][ T12] dev_forward_change+0x2be/0x850 [ 301.691465][ T12] addrconf_fixup_forwarding+0x2af/0x4d0 [ 301.691599][ T12] addrconf_sysctl_forward+0x209/0x2b0 [ 301.691750][ T12] proc_sys_call_handler+0x31b/0x480 [ 301.691853][ T12] new_sync_write+0x333/0x750 [ 301.691958][ T12] vfs_write+0x6a4/0xc10 [ 301.692105][ T12] ksys_write+0x116/0x250 [ 301.692208][ T12] do_syscall_64+0x117/0x590 [ 301.692310][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 301.692477][ T12] SOFTIRQ-ON-W at: [ 301.692539][ T12] __lock_acquire+0x378/0xc10 [ 301.692643][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.692746][ T12] _raw_spin_lock+0x33/0x40 [ 301.692895][ T12] __ipv6_dev_ac_dec+0x236/0x5d0 [ 301.693001][ T12] addrconf_leave_anycast+0x1bc/0x260 [ 301.693104][ T12] __ipv6_ifa_notify+0x6b4/0xad0 [ 301.693251][ T12] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 301.693358][ T12] addrconf_notify+0x339/0xf30 [ 301.693461][ T12] notifier_call_chain+0xb0/0x320 [ 301.693565][ T12] __netdev_upper_dev_unlink+0x10b/0x1e0 [ 301.693691][ T12] netdev_upper_dev_unlink+0x79/0xa0 [ 301.693794][ T12] vrf_dellink+0xcb/0x180 [ 301.693955][ T12] default_device_exit_batch+0x19d/0x600 [ 301.694079][ T12] ops_undo_list+0x2ce/0x8f0 [ 301.694197][ T12] cleanup_net+0x431/0x940 [ 301.694344][ T12] process_one_work+0xdf8/0x1410 [ 301.694448][ T12] worker_thread+0x4f1/0xd60 [ 301.694557][ T12] kthread+0x367/0x460 [ 301.694641][ T12] ret_from_fork+0x474/0x6b0 [ 301.694790][ T12] ret_from_fork_asm+0x11/0x20 [ 301.694896][ T12] INITIAL USE at: [ 301.694966][ T12] __lock_acquire+0x378/0xc10 [ 301.695115][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.695218][ T12] _raw_spin_lock+0x33/0x40 [ 301.695321][ T12] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 301.695498][ T12] __ipv6_dev_ac_inc+0x57e/0x930 [ 301.695604][ T12] addrconf_join_anycast+0x1bc/0x260 [ 301.695708][ T12] dev_forward_change+0x2be/0x850 [ 301.695854][ T12] addrconf_fixup_forwarding+0x2af/0x4d0 [ 301.695988][ T12] addrconf_sysctl_forward+0x209/0x2b0 [ 301.696091][ T12] proc_sys_call_handler+0x31b/0x480 [ 301.696241][ T12] new_sync_write+0x333/0x750 [ 301.696344][ T12] vfs_write+0x6a4/0xc10 [ 301.696447][ T12] ksys_write+0x116/0x250 [ 301.696554][ T12] do_syscall_64+0x117/0x590 [ 301.696658][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 301.696779][ T12] } [ 301.696830][ T12] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 301.697001][ T12] ... acquired at: [ 301.697062][ T12] mark_lock+0x1d7/0xa00 [ 301.697156][ T12] mark_usage+0x105/0x170 [ 301.697237][ T12] __lock_acquire+0x378/0xc10 [ 301.697363][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.697449][ T12] _raw_spin_lock+0x33/0x40 [ 301.697533][ T12] __ipv6_dev_ac_dec+0x236/0x5d0 [ 301.697615][ T12] addrconf_leave_anycast+0x1bc/0x260 [ 301.697741][ T12] __ipv6_ifa_notify+0x6b4/0xad0 [ 301.697823][ T12] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 301.697912][ T12] addrconf_notify+0x339/0xf30 [ 301.697998][ T12] notifier_call_chain+0xb0/0x320 [ 301.698124][ T12] __netdev_upper_dev_unlink+0x10b/0x1e0 [ 301.698227][ T12] netdev_upper_dev_unlink+0x79/0xa0 [ 301.698309][ T12] vrf_dellink+0xcb/0x180 [ 301.698391][ T12] default_device_exit_batch+0x19d/0x600 [ 301.698538][ T12] ops_undo_list+0x2ce/0x8f0 [ 301.698619][ T12] cleanup_net+0x431/0x940 [ 301.698710][ T12] process_one_work+0xdf8/0x1410 [ 301.698792][ T12] worker_thread+0x4f1/0xd60 [ 301.698921][ T12] kthread+0x367/0x460 [ 301.698988][ T12] ret_from_fork+0x474/0x6b0 [ 301.699077][ T12] ret_from_fork_asm+0x11/0x20 [ 301.699168][ T12] [ 301.699252][ T12] [ 301.699252][ T12] stack backtrace: [ 301.699364][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 301.699368][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 301.699370][ T12] Workqueue: netns cleanup_net [ 301.699373][ T12] Call Trace: [ 301.699375][ T12] [ 301.699377][ T12] dump_stack_lvl+0x6f/0xa0 [ 301.699380][ T12] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 301.699383][ T12] mark_lock_irq+0x989/0x9c0 [ 301.699386][ T12] mark_lock+0x1d7/0xa00 [ 301.699388][ T12] mark_usage+0x105/0x170 [ 301.699389][ T12] __lock_acquire+0x378/0xc10 [ 301.699391][ T12] lock_acquire.part.0+0xbc/0x260 [ 301.699393][ T12] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 301.699395][ T12] ? rcu_is_watching+0x15/0xd0 [ 301.699397][ T12] ? do_raw_read_unlock+0x70/0x70 [ 301.699399][ T12] ? lock_acquire+0x134/0x160 [ 301.699401][ T12] _raw_spin_lock+0x33/0x40 [ 301.699402][ T12] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 301.699404][ T12] __ipv6_dev_ac_dec+0x236/0x5d0 [ 301.699406][ T12] addrconf_leave_anycast+0x1bc/0x260 [ 301.699407][ T12] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 301.699409][ T12] ? __ipv6_isatap_ifid+0x210/0x210 [ 301.699412][ T12] ? nlmsg_notify+0x62/0x250 [ 301.699414][ T12] __ipv6_ifa_notify+0x6b4/0xad0 [ 301.699416][ T12] ? cleanup_prefix_route+0x550/0x550 [ 301.699418][ T12] ? find_held_lock+0x2b/0x80 [ 301.699419][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 301.699421][ T12] ? __rwlock_init+0x150/0x150 [ 301.699422][ T12] ? mark_held_locks+0x40/0x70 [ 301.699424][ T12] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 301.699426][ T12] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 301.699429][ T12] ? addrconf_dad_run+0x1b0/0x1b0 [ 301.699431][ T12] ? netkit_xmit+0x14c0/0x14c0 [ 301.699434][ T12] addrconf_notify+0x339/0xf30 [ 301.699435][ T12] ? team_port_get_rtnl+0x65/0xc0 [ 301.699438][ T12] notifier_call_chain+0xb0/0x320 [ 301.699440][ T12] __netdev_upper_dev_unlink+0x10b/0x1e0 [ 301.699442][ T12] ? lock_acquire+0x134/0x160 [ 301.699444][ T12] ? netdev_adjacent_change_prepare+0x170/0x170 [ 301.699445][ T12] ? trace_contention_end+0xb3/0x1a0 [ 301.699448][ T12] ? default_device_exit_batch+0x9a/0x600 [ 301.699449][ T12] ? rcu_is_watching+0x15/0xd0 [ 301.699451][ T12] ? lock_acquire+0x134/0x160 [ 301.699452][ T12] ? rcu_is_watching+0x15/0xd0 [ 301.699454][ T12] netdev_upper_dev_unlink+0x79/0xa0 [ 301.699456][ T12] ? __netdev_upper_dev_unlink+0x1e0/0x1e0 [ 301.699458][ T12] ? rtnl_is_locked+0x15/0x20 [ 301.699460][ T12] vrf_dellink+0xcb/0x180 [ 301.699462][ T12] ? vrf_map_unregister_dev+0x410/0x410 [ 301.699464][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0 [ 301.699468][ T12] default_device_exit_batch+0x19d/0x600 [ 301.699469][ T12] ? unregister_netdev+0x60/0x60 [ 301.699471][ T12] ? perf_trace_sched_switch+0x7d0/0x7d0 [ 301.699473][ T12] ? fou_exit_net+0x30/0x110 [ 301.699476][ T12] ops_undo_list+0x2ce/0x8f0 [ 301.699478][ T12] ? lockdep_hardirqs_on+0x8c/0x130 [ 301.699479][ T12] ? netns_install+0x2a0/0x2a0 [ 301.699481][ T12] ? __lock_release.isra.0+0x6b/0x1a0 [ 301.699482][ T12] ? idr_destroy+0x121/0x250 [ 301.699485][ T12] cleanup_net+0x431/0x940 [ 301.699487][ T12] ? net_passive_dec+0x1c0/0x1c0 [ 301.699488][ T12] ? process_one_work+0xdb7/0x1410 [ 301.699490][ T12] ? lock_acquire+0x134/0x160 [ 301.699492][ T12] ? rcu_is_watching+0x15/0xd0 [ 301.699494][ T12] process_one_work+0xdf8/0x1410 [ 301.699496][ T12] ? pwq_dec_nr_in_flight+0x710/0x710 [ 301.699498][ T12] ? lock_acquire.part.0+0xbc/0x260 [ 301.699501][ T12] worker_thread+0x4f1/0xd60 [ 301.699504][ T12] ? rescuer_thread+0x1320/0x1320 [ 301.699506][ T12] kthread+0x367/0x460 [ 301.699507][ T12] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 301.699510][ T12] ? kthread_affine_node+0x330/0x330 [ 301.699512][ T12] ret_from_fork+0x474/0x6b0 [ 301.699514][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 301.699516][ T12] ? __switch_to+0x5a3/0xe00 [ 301.699518][ T12] ? kthread_affine_node+0x330/0x330 [ 301.699519][ T12] ret_from_fork_asm+0x11/0x20 [ 301.699522][ T12]