[ 52.991770][ T661] br1: port 1(veth1) entered blocking state [ 52.992093][ T661] br1: port 1(veth1) entered disabled state [ 52.992407][ T661] veth1: entered allmulticast mode [ 52.993906][ T661] veth1: entered promiscuous mode [ 53.025585][ T102] br1: port 1(veth1) entered blocking state [ 53.025775][ T102] br1: port 1(veth1) entered forwarding state [ 60.658463][ T717] veth1: left allmulticast mode [ 60.658649][ T717] veth1: left promiscuous mode [ 60.658861][ T717] br1: port 1(veth1) entered disabled state [ 62.695666][ T719] br1: port 1(veth1) entered blocking state [ 62.695928][ T719] br1: port 1(veth1) entered disabled state [ 62.696190][ T719] veth1: entered allmulticast mode [ 62.698049][ T719] veth1: entered promiscuous mode [ 62.698512][ T719] br1: port 1(veth1) entered blocking state [ 62.698721][ T719] br1: port 1(veth1) entered forwarding state [ 81.391627][ T827] veth1: left allmulticast mode [ 81.391811][ T827] veth1: left promiscuous mode [ 81.392026][ T827] br1: port 1(veth1) entered disabled state [ 83.456588][ T830] br1: port 1(veth1) entered blocking state [ 83.456857][ T830] br1: port 1(veth1) entered disabled state [ 83.457120][ T830] veth1: entered allmulticast mode [ 83.458966][ T830] veth1: entered promiscuous mode [ 83.459938][ T830] br1: port 1(veth1) entered blocking state [ 83.460179][ T830] br1: port 1(veth1) entered forwarding state [ 85.666602][ T864] [ 85.666696][ T864] ======================================================== [ 85.666824][ T864] WARNING: possible irq lock inversion dependency detected [ 85.666943][ T864] 7.1.0-rc5-virtme #1 Not tainted [ 85.667024][ T864] -------------------------------------------------------- [ 85.667143][ T864] sysctl/864 just changed the state of lock: [ 85.667242][ T864] ffffffff9b97e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 85.667396][ T864] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 85.667514][ T864] (&ndev->lock){++--}-{3:3} [ 85.667517][ T864] [ 85.667517][ T864] [ 85.667517][ T864] and interrupts could create inverse lock ordering between them. [ 85.667517][ T864] [ 85.667807][ T864] [ 85.667807][ T864] other info that might help us debug this: [ 85.667928][ T864] Possible interrupt unsafe locking scenario: [ 85.667928][ T864] [ 85.668052][ T864] CPU0 CPU1 [ 85.668135][ T864] ---- ---- [ 85.668218][ T864] lock(acaddr_hash_lock); [ 85.668298][ T864] local_irq_disable(); [ 85.668399][ T864] lock(&ndev->lock); [ 85.668495][ T864] lock(acaddr_hash_lock); [ 85.668594][ T864] [ 85.668660][ T864] lock(&ndev->lock); [ 85.668720][ T864] [ 85.668720][ T864] *** DEADLOCK *** [ 85.668720][ T864] [ 85.668835][ T864] 2 locks held by sysctl/864: [ 85.668914][ T864] #0: ff11000009c843e0 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x116/0x250 [ 85.669057][ T864] #1: ffffffff9b88c9c0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_fixup_forwarding+0x4d/0x4d0 [ 85.669215][ T864] [ 85.669215][ T864] the shortest dependencies between 2nd lock and 1st lock: [ 85.669350][ T864] -> (&ndev->lock){++--}-{3:3} { [ 85.669436][ T864] HARDIRQ-ON-W at: [ 85.669497][ T864] __lock_acquire+0x378/0xc10 [ 85.669599][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.669697][ T864] _raw_write_lock_bh+0x38/0x50 [ 85.669801][ T864] addrconf_permanent_addr+0x108/0x9c0 [ 85.669916][ T864] addrconf_notify+0x151/0xf30 [ 85.670018][ T864] notifier_call_chain+0xb0/0x320 [ 85.670118][ T864] __dev_notify_flags+0xde/0x280 [ 85.670218][ T864] netif_change_flags+0xfe/0x190 [ 85.670315][ T864] do_setlink.isra.0+0x1cc3/0x2750 [ 85.670418][ T864] rtnl_newlink+0x8d1/0xef0 [ 85.670520][ T864] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 85.670623][ T864] netlink_rcv_skb+0x14e/0x3a0 [ 85.670723][ T864] netlink_unicast+0x486/0x750 [ 85.670821][ T864] netlink_sendmsg+0x735/0xc60 [ 85.670918][ T864] ____sys_sendmsg+0x419/0x850 [ 85.671019][ T864] ___sys_sendmsg+0x14e/0x1d0 [ 85.671118][ T864] __sys_sendmsg+0x145/0x1f0 [ 85.671216][ T864] do_syscall_64+0x117/0x590 [ 85.671315][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.671436][ T864] HARDIRQ-ON-R at: [ 85.671494][ T864] __lock_acquire+0x378/0xc10 [ 85.671595][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.671692][ T864] _raw_read_lock_bh+0x44/0x80 [ 85.671790][ T864] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 85.671908][ T864] inet6_fill_link_af+0x5c/0xe0 [ 85.672006][ T864] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 85.672126][ T864] rtnl_getlink+0x9c9/0xeb0 [ 85.672224][ T864] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 85.672322][ T864] netlink_rcv_skb+0x14e/0x3a0 [ 85.672426][ T864] netlink_unicast+0x486/0x750 [ 85.672525][ T864] netlink_sendmsg+0x735/0xc60 [ 85.672627][ T864] ____sys_sendmsg+0x419/0x850 [ 85.672727][ T864] ___sys_sendmsg+0x14e/0x1d0 [ 85.672825][ T864] __sys_sendmsg+0x145/0x1f0 [ 85.672923][ T864] do_syscall_64+0x117/0x590 [ 85.673022][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.673145][ T864] IN-SOFTIRQ-W at: [ 85.673204][ T864] __lock_acquire+0x378/0xc10 [ 85.673303][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.673409][ T864] _raw_write_lock+0x33/0x40 [ 85.673507][ T864] addrconf_rs_timer+0xb0/0x770 [ 85.673606][ T864] call_timer_fn+0x163/0x4f0 [ 85.673707][ T864] __run_timers+0x68f/0xab0 [ 85.673805][ T864] run_timer_softirq+0xf0/0x160 [ 85.673904][ T864] handle_softirqs+0x1d8/0x940 [ 85.674004][ T864] __irq_exit_rcu+0x103/0x1c0 [ 85.674102][ T864] irq_exit_rcu+0xe/0x30 [ 85.674202][ T864] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 85.674320][ T864] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 85.674446][ T864] finish_task_switch.isra.0+0x219/0x990 [ 85.674564][ T864] __schedule+0xd6d/0x1a70 [ 85.674663][ T864] preempt_schedule_irq+0x51/0xa0 [ 85.674760][ T864] irqentry_exit+0x1de/0x710 [ 85.674858][ T864] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 85.675022][ T864] lock_release+0xdc/0x1f0 [ 85.675121][ T864] __is_insn_slot_addr+0xf6/0x260 [ 85.675222][ T864] kernel_text_address+0xcb/0x170 [ 85.675321][ T864] __kernel_text_address+0x12/0x30 [ 85.675468][ T864] unwind_get_return_address+0x67/0xd0 [ 85.675586][ T864] arch_stack_walk+0xed/0x130 [ 85.675690][ T864] stack_trace_save+0x93/0xc0 [ 85.675834][ T864] kasan_save_stack+0x2f/0x50 [ 85.675934][ T864] kasan_save_track+0x14/0x30 [ 85.676033][ T864] __kasan_slab_alloc+0x60/0x70 [ 85.676175][ T864] kmem_cache_alloc_noprof+0x221/0x5f0 [ 85.676294][ T864] __alloc_object+0x30/0x250 [ 85.676401][ T864] __create_object+0x30/0x110 [ 85.676540][ T864] __kmalloc_cache_noprof+0x463/0x620 [ 85.676660][ T864] kmem_cache_free+0x368/0x560 [ 85.676758][ T864] tear_down_vmas+0x178/0x610 [ 85.676897][ T864] exit_mmap+0x486/0x970 [ 85.676995][ T864] mmput+0xa9/0x450 [ 85.677076][ T864] exit_mm+0x1a6/0x290 [ 85.677214][ T864] do_exit+0x548/0xdc0 [ 85.677313][ T864] do_group_exit+0xb8/0x370 [ 85.677415][ T864] __x64_sys_exit_group+0x3c/0x50 [ 85.677556][ T864] x64_sys_call+0x102c/0x1530 [ 85.677657][ T864] do_syscall_64+0x117/0x590 [ 85.677760][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.677919][ T864] IN-SOFTIRQ-R at: [ 85.677982][ T864] __lock_acquire+0x378/0xc10 [ 85.678080][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.678179][ T864] _raw_read_lock_bh+0x44/0x80 [ 85.678320][ T864] ipv6_get_lladdr+0xa8/0x3f0 [ 85.678424][ T864] addrconf_rs_timer+0x251/0x770 [ 85.678523][ T864] call_timer_fn+0x163/0x4f0 [ 85.678664][ T864] __run_timers+0x68f/0xab0 [ 85.678762][ T864] run_timer_softirq+0xf0/0x160 [ 85.678861][ T864] handle_softirqs+0x1d8/0x940 [ 85.679000][ T864] __irq_exit_rcu+0x103/0x1c0 [ 85.679100][ T864] irq_exit_rcu+0xe/0x30 [ 85.679200][ T864] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 85.679359][ T864] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 85.679480][ T864] finish_task_switch.isra.0+0x219/0x990 [ 85.679597][ T864] __schedule+0xd6d/0x1a70 [ 85.679735][ T864] preempt_schedule_irq+0x51/0xa0 [ 85.679833][ T864] irqentry_exit+0x1de/0x710 [ 85.679931][ T864] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 85.680090][ T864] lock_release+0xdc/0x1f0 [ 85.680191][ T864] __is_insn_slot_addr+0xf6/0x260 [ 85.680290][ T864] kernel_text_address+0xcb/0x170 [ 85.680435][ T864] __kernel_text_address+0x12/0x30 [ 85.680532][ T864] unwind_get_return_address+0x67/0xd0 [ 85.680650][ T864] arch_stack_walk+0xed/0x130 [ 85.680789][ T864] stack_trace_save+0x93/0xc0 [ 85.680886][ T864] kasan_save_stack+0x2f/0x50 [ 85.680986][ T864] kasan_save_track+0x14/0x30 [ 85.681085][ T864] __kasan_slab_alloc+0x60/0x70 [ 85.681182][ T864] kmem_cache_alloc_noprof+0x221/0x5f0 [ 85.681300][ T864] __alloc_object+0x30/0x250 [ 85.681404][ T864] __create_object+0x30/0x110 [ 85.681543][ T864] __kmalloc_cache_noprof+0x463/0x620 [ 85.681662][ T864] kmem_cache_free+0x368/0x560 [ 85.681760][ T864] tear_down_vmas+0x178/0x610 [ 85.681899][ T864] exit_mmap+0x486/0x970 [ 85.682000][ T864] mmput+0xa9/0x450 [ 85.682078][ T864] exit_mm+0x1a6/0x290 [ 85.682176][ T864] do_exit+0x548/0xdc0 [ 85.682278][ T864] do_group_exit+0xb8/0x370 [ 85.682378][ T864] __x64_sys_exit_group+0x3c/0x50 [ 85.682518][ T864] x64_sys_call+0x102c/0x1530 [ 85.682620][ T864] do_syscall_64+0x117/0x590 [ 85.682720][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.682877][ T864] INITIAL USE at: [ 85.682942][ T864] __lock_acquire+0x378/0xc10 [ 85.683039][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.683137][ T864] _raw_write_lock_bh+0x38/0x50 [ 85.683275][ T864] addrconf_permanent_addr+0x108/0x9c0 [ 85.683398][ T864] addrconf_notify+0x151/0xf30 [ 85.683496][ T864] notifier_call_chain+0xb0/0x320 [ 85.683633][ T864] __dev_notify_flags+0xde/0x280 [ 85.683736][ T864] netif_change_flags+0xfe/0x190 [ 85.683833][ T864] do_setlink.isra.0+0x1cc3/0x2750 [ 85.683973][ T864] rtnl_newlink+0x8d1/0xef0 [ 85.684073][ T864] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 85.684171][ T864] netlink_rcv_skb+0x14e/0x3a0 [ 85.684312][ T864] netlink_unicast+0x486/0x750 [ 85.684418][ T864] netlink_sendmsg+0x735/0xc60 [ 85.684516][ T864] ____sys_sendmsg+0x419/0x850 [ 85.684656][ T864] ___sys_sendmsg+0x14e/0x1d0 [ 85.684754][ T864] __sys_sendmsg+0x145/0x1f0 [ 85.684852][ T864] do_syscall_64+0x117/0x590 [ 85.684950][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.685106][ T864] INITIAL READ USE at: [ 85.685186][ T864] __lock_acquire+0x378/0xc10 [ 85.685284][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.685447][ T864] _raw_read_lock_bh+0x44/0x80 [ 85.685544][ T864] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 85.685663][ T864] inet6_fill_link_af+0x5c/0xe0 [ 85.685804][ T864] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 85.685921][ T864] rtnl_getlink+0x9c9/0xeb0 [ 85.686019][ T864] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 85.686159][ T864] netlink_rcv_skb+0x14e/0x3a0 [ 85.686256][ T864] netlink_unicast+0x486/0x750 [ 85.686357][ T864] netlink_sendmsg+0x735/0xc60 [ 85.686500][ T864] ____sys_sendmsg+0x419/0x850 [ 85.686599][ T864] ___sys_sendmsg+0x14e/0x1d0 [ 85.686697][ T864] __sys_sendmsg+0x145/0x1f0 [ 85.686841][ T864] do_syscall_64+0x117/0x590 [ 85.686945][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.687062][ T864] } [ 85.687103][ T864] ... key at: [] __key.37+0x0/0x40 [ 85.687224][ T864] ... acquired at: [ 85.687288][ T864] __lock_acquire+0x508/0xc10 [ 85.687368][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.687490][ T864] _raw_spin_lock+0x33/0x40 [ 85.687571][ T864] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 85.687670][ T864] __ipv6_dev_ac_inc+0x57e/0x930 [ 85.687752][ T864] addrconf_join_anycast+0x1bc/0x260 [ 85.687871][ T864] __ipv6_ifa_notify+0x75b/0xad0 [ 85.687951][ T864] addrconf_dad_completed+0x14b/0xe10 [ 85.688034][ T864] addrconf_dad_work+0x3c1/0x930 [ 85.688114][ T864] process_one_work+0xdf8/0x1410 [ 85.688232][ T864] worker_thread+0x4f1/0xd60 [ 85.688314][ T864] kthread+0x367/0x460 [ 85.688376][ T864] ret_from_fork+0x474/0x6b0 [ 85.688457][ T864] ret_from_fork_asm+0x11/0x20 [ 85.688585][ T864] [ 85.688626][ T864] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 85.688706][ T864] HARDIRQ-ON-W at: [ 85.688767][ T864] __lock_acquire+0x378/0xc10 [ 85.688870][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.689013][ T864] _raw_spin_lock+0x33/0x40 [ 85.689115][ T864] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 85.689232][ T864] __ipv6_dev_ac_inc+0x57e/0x930 [ 85.689376][ T864] addrconf_join_anycast+0x1bc/0x260 [ 85.689475][ T864] __ipv6_ifa_notify+0x75b/0xad0 [ 85.689574][ T864] addrconf_dad_completed+0x14b/0xe10 [ 85.689714][ T864] addrconf_dad_work+0x3c1/0x930 [ 85.689812][ T864] process_one_work+0xdf8/0x1410 [ 85.689911][ T864] worker_thread+0x4f1/0xd60 [ 85.690053][ T864] kthread+0x367/0x460 [ 85.690132][ T864] ret_from_fork+0x474/0x6b0 [ 85.690232][ T864] ret_from_fork_asm+0x11/0x20 [ 85.690331][ T864] SOFTIRQ-ON-W at: [ 85.690434][ T864] __lock_acquire+0x378/0xc10 [ 85.690532][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.690630][ T864] _raw_spin_lock+0x33/0x40 [ 85.690770][ T864] __ipv6_dev_ac_dec+0x236/0x5d0 [ 85.690871][ T864] addrconf_leave_anycast+0x1bc/0x260 [ 85.690970][ T864] dev_forward_change+0x3b3/0x850 [ 85.691108][ T864] addrconf_fixup_forwarding+0x2af/0x4d0 [ 85.691227][ T864] addrconf_sysctl_forward+0x209/0x2b0 [ 85.691325][ T864] proc_sys_call_handler+0x31b/0x480 [ 85.691472][ T864] new_sync_write+0x333/0x750 [ 85.691571][ T864] vfs_write+0x6a4/0xc10 [ 85.691672][ T864] ksys_write+0x116/0x250 [ 85.691770][ T864] do_syscall_64+0x117/0x590 [ 85.691911][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.692031][ T864] INITIAL USE at: [ 85.692091][ T864] __lock_acquire+0x378/0xc10 [ 85.692231][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.692328][ T864] _raw_spin_lock+0x33/0x40 [ 85.692431][ T864] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 85.692590][ T864] __ipv6_dev_ac_inc+0x57e/0x930 [ 85.692688][ T864] addrconf_join_anycast+0x1bc/0x260 [ 85.692788][ T864] __ipv6_ifa_notify+0x75b/0xad0 [ 85.692927][ T864] addrconf_dad_completed+0x14b/0xe10 [ 85.693025][ T864] addrconf_dad_work+0x3c1/0x930 [ 85.693125][ T864] process_one_work+0xdf8/0x1410 [ 85.693265][ T864] worker_thread+0x4f1/0xd60 [ 85.693364][ T864] kthread+0x367/0x460 [ 85.693446][ T864] ret_from_fork+0x474/0x6b0 [ 85.693546][ T864] ret_from_fork_asm+0x11/0x20 [ 85.693685][ T864] } [ 85.693726][ T864] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 85.693843][ T864] ... acquired at: [ 85.693901][ T864] mark_lock+0x1d7/0xa00 [ 85.694020][ T864] mark_usage+0x105/0x170 [ 85.694101][ T864] __lock_acquire+0x378/0xc10 [ 85.694181][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.694259][ T864] _raw_spin_lock+0x33/0x40 [ 85.694385][ T864] __ipv6_dev_ac_dec+0x236/0x5d0 [ 85.694463][ T864] addrconf_leave_anycast+0x1bc/0x260 [ 85.694540][ T864] dev_forward_change+0x3b3/0x850 [ 85.694618][ T864] addrconf_fixup_forwarding+0x2af/0x4d0 [ 85.694757][ T864] addrconf_sysctl_forward+0x209/0x2b0 [ 85.694840][ T864] proc_sys_call_handler+0x31b/0x480 [ 85.694918][ T864] new_sync_write+0x333/0x750 [ 85.694996][ T864] vfs_write+0x6a4/0xc10 [ 85.695114][ T864] ksys_write+0x116/0x250 [ 85.695192][ T864] do_syscall_64+0x117/0x590 [ 85.695272][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.695413][ T864] [ 85.695453][ T864] [ 85.695453][ T864] stack backtrace: [ 85.695552][ T864] CPU: 0 UID: 0 PID: 864 Comm: sysctl Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 85.695554][ T864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.695557][ T864] Call Trace: [ 85.695558][ T864] [ 85.695560][ T864] dump_stack_lvl+0x6f/0xa0 [ 85.695564][ T864] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 85.695567][ T864] mark_lock_irq+0x989/0x9c0 [ 85.695570][ T864] mark_lock+0x1d7/0xa00 [ 85.695571][ T864] mark_usage+0x105/0x170 [ 85.695573][ T864] __lock_acquire+0x378/0xc10 [ 85.695575][ T864] lock_acquire.part.0+0xbc/0x260 [ 85.695576][ T864] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 85.695578][ T864] ? rcu_is_watching+0x15/0xd0 [ 85.695581][ T864] ? do_raw_read_unlock+0x70/0x70 [ 85.695583][ T864] ? lock_acquire+0x134/0x160 [ 85.695584][ T864] _raw_spin_lock+0x33/0x40 [ 85.695586][ T864] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 85.695587][ T864] __ipv6_dev_ac_dec+0x236/0x5d0 [ 85.695589][ T864] addrconf_leave_anycast+0x1bc/0x260 [ 85.695591][ T864] ? find_held_lock+0x2b/0x80 [ 85.695594][ T864] ? __ipv6_isatap_ifid+0x210/0x210 [ 85.695595][ T864] ? mark_held_locks+0x40/0x70 [ 85.695597][ T864] ? lockdep_hardirqs_on+0x8c/0x130 [ 85.695599][ T864] dev_forward_change+0x3b3/0x850 [ 85.695601][ T864] ? addrconf_fixup_forwarding+0x4d/0x4d0 [ 85.695603][ T864] ? addrconf_sysctl_proxy_ndp+0x2f0/0x2f0 [ 85.695606][ T864] addrconf_fixup_forwarding+0x2af/0x4d0 [ 85.695608][ T864] addrconf_sysctl_forward+0x209/0x2b0 [ 85.695610][ T864] ? addrconf_fixup_forwarding+0x4d0/0x4d0 [ 85.695612][ T864] ? addrconf_fixup_forwarding+0x4d0/0x4d0 [ 85.695614][ T864] ? __kvmalloc_node_noprof+0x305/0x8a0 [ 85.695616][ T864] ? proc_sys_call_handler+0x25d/0x480 [ 85.695618][ T864] proc_sys_call_handler+0x31b/0x480 [ 85.695621][ T864] ? proc_sys_lookup+0x3d0/0x3d0 [ 85.695622][ T864] ? rcu_read_unlock+0x1b/0x70 [ 85.695625][ T864] ? do_raw_spin_unlock+0x59/0x250 [ 85.695626][ T864] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 85.695628][ T864] ? rcu_read_lock_any_held+0x3c/0x90 [ 85.695630][ T864] ? proc_sys_call_handler+0x480/0x480 [ 85.695632][ T864] new_sync_write+0x333/0x750 [ 85.695633][ T864] ? __lock_acquire+0x508/0xc10 [ 85.695635][ T864] ? new_sync_read+0x740/0x740 [ 85.695636][ T864] ? lock_acquire.part.0+0xbc/0x260 [ 85.695638][ T864] ? ksys_write+0x116/0x250 [ 85.695640][ T864] vfs_write+0x6a4/0xc10 [ 85.695642][ T864] ksys_write+0x116/0x250 [ 85.695643][ T864] ? __ia32_sys_read+0xc0/0xc0 [ 85.695644][ T864] ? rcu_is_watching+0x15/0xd0 [ 85.695646][ T864] ? rcu_is_watching+0x15/0xd0 [ 85.695648][ T864] do_syscall_64+0x117/0x590 [ 85.695649][ T864] ? trace_hardirqs_off+0xd/0x30 [ 85.695652][ T864] ? exc_page_fault+0xee/0x100 [ 85.695654][ T864] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 85.695655][ T864] RIP: 0033:0x7fd92b41708e [ 85.695658][ T864] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 85.695660][ T864] RSP: 002b:00007ffe97049300 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 85.695663][ T864] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd92b41708e [ 85.695664][ T864] RDX: 0000000000000002 RSI: 000055eb223724b0 RDI: 0000000000000005 [ 85.695665][ T864] RBP: 00007ffe97049310 R08: 0000000000000000 R09: 0000000000000000 [ 85.695666][ T864] R10: 0000000000000000 R11: 0000000000000202 R12: 000055eb223745e0 [ 85.695667][ T864] R13: 000055eb22372470 R14: 0000000000000002 R15: 0000000000000000 [ 85.695669][ T864] [ 85.845478][ T871] br1: port 1(veth1) entered disabled state [ 85.864069][ T872] veth1: left allmulticast mode [ 85.864196][ T872] veth1: left promiscuous mode [ 85.864344][ T872] br1: port 1(veth1) entered disabled state