[ 483.347833][ T4345] br1: port 1(vx10) entered blocking state [ 483.348051][ T4345] br1: port 1(vx10) entered disabled state [ 483.348235][ T4345] vx10: entered allmulticast mode [ 483.349655][ T4345] vx10: entered promiscuous mode [ 483.350021][ T4345] br1: port 1(vx10) entered blocking state [ 483.350191][ T4345] br1: port 1(vx10) entered forwarding state [ 483.474766][ T4350] br1: port 2(vx20) entered blocking state [ 483.474968][ T4350] br1: port 2(vx20) entered disabled state [ 483.475147][ T4350] vx20: entered allmulticast mode [ 483.476876][ T4350] vx20: entered promiscuous mode [ 483.477217][ T4350] br1: port 2(vx20) entered blocking state [ 483.477389][ T4350] br1: port 2(vx20) entered forwarding state [ 483.526165][ T4352] br1: port 3(veth1) entered blocking state [ 483.526360][ T4352] br1: port 3(veth1) entered disabled state [ 483.526545][ T4352] veth1: entered allmulticast mode [ 483.528443][ T4352] veth1: entered promiscuous mode [ 483.554821][ T39] br1: port 3(veth1) entered blocking state [ 483.555040][ T39] br1: port 3(veth1) entered forwarding state [ 483.650345][ T4357] br1: port 4(veth2) entered blocking state [ 483.650544][ T4357] br1: port 4(veth2) entered disabled state [ 483.650727][ T4357] veth2: entered allmulticast mode [ 483.652137][ T4357] veth2: entered promiscuous mode [ 483.680788][ T4195] br1: port 4(veth2) entered blocking state [ 483.681010][ T4195] br1: port 4(veth2) entered forwarding state [ 484.810909][ T4409] br2: port 1(w1) entered blocking state [ 484.811127][ T4409] br2: port 1(w1) entered disabled state [ 484.811331][ T4409] w1: entered allmulticast mode [ 484.813332][ T4409] w1: entered promiscuous mode [ 485.010866][ T4417] br2: port 2(vx10) entered blocking state [ 485.011066][ T4417] br2: port 2(vx10) entered disabled state [ 485.011248][ T4417] vx10: entered allmulticast mode [ 485.012670][ T4417] vx10: entered promiscuous mode [ 485.013027][ T4417] br2: port 2(vx10) entered blocking state [ 485.013199][ T4417] br2: port 2(vx10) entered forwarding state [ 485.191338][ T4424] br2: port 3(vx20) entered blocking state [ 485.191548][ T4424] br2: port 3(vx20) entered disabled state [ 485.191725][ T4424] vx20: entered allmulticast mode [ 485.193073][ T4424] vx20: entered promiscuous mode [ 485.193410][ T4424] br2: port 3(vx20) entered blocking state [ 485.193600][ T4424] br2: port 3(vx20) entered forwarding state [ 485.386180][ T39] br2: port 1(w1) entered blocking state [ 485.386345][ T39] br2: port 1(w1) entered forwarding state [ 486.150028][ T4465] br2: port 1(w1) entered blocking state [ 486.150343][ T4465] br2: port 1(w1) entered disabled state [ 486.150679][ T4465] w1: entered allmulticast mode [ 486.153056][ T4465] w1: entered promiscuous mode [ 486.395813][ T4473] br2: port 2(vx10) entered blocking state [ 486.396032][ T4473] br2: port 2(vx10) entered disabled state [ 486.396215][ T4473] vx10: entered allmulticast mode [ 486.398098][ T4473] vx10: entered promiscuous mode [ 486.398509][ T4473] br2: port 2(vx10) entered blocking state [ 486.398696][ T4473] br2: port 2(vx10) entered forwarding state [ 486.600963][ T4480] br2: port 3(vx20) entered blocking state [ 486.601156][ T4480] br2: port 3(vx20) entered disabled state [ 486.601333][ T4480] vx20: entered allmulticast mode [ 486.603398][ T4480] vx20: entered promiscuous mode [ 486.603733][ T4480] br2: port 3(vx20) entered blocking state [ 486.603899][ T4480] br2: port 3(vx20) entered forwarding state [ 486.812808][ T4195] br2: port 1(w1) entered blocking state [ 486.812973][ T4195] br2: port 1(w1) entered forwarding state [ 581.634085][ T12] vx20: left allmulticast mode [ 581.634321][ T12] vx20: left promiscuous mode [ 581.635370][ T12] br2: port 3(vx20) entered disabled state [ 581.638111][ T12] vx10: left allmulticast mode [ 581.638254][ T12] vx10: left promiscuous mode [ 581.639038][ T12] br2: port 2(vx10) entered disabled state [ 581.641018][ T12] w1: left allmulticast mode [ 581.641156][ T12] w1: left promiscuous mode [ 581.641363][ T12] br2: port 1(w1) entered disabled state [ 581.763334][ T12] vx20: left allmulticast mode [ 581.763556][ T12] vx20: left promiscuous mode [ 581.763768][ T12] br2: port 3(vx20) entered disabled state [ 581.767620][ T12] vx10: left allmulticast mode [ 581.767765][ T12] vx10: left promiscuous mode [ 581.767977][ T12] br2: port 2(vx10) entered disabled state [ 581.770280][ T12] w1: left allmulticast mode [ 581.770692][ T12] w1: left promiscuous mode [ 581.770901][ T12] br2: port 1(w1) entered disabled state [ 581.837544][ T4760] [ 581.837610][ T4760] ======================================================== [ 581.837753][ T4760] WARNING: possible irq lock inversion dependency detected [ 581.837878][ T4760] 7.1.0-rc5-virtme #1 Not tainted [ 581.837965][ T4760] -------------------------------------------------------- [ 581.838094][ T4760] ip/4760 just changed the state of lock: [ 581.838184][ T4760] ffffffff9cd7e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 581.838341][ T4760] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 581.838471][ T4760] (&ndev->lock){++--}-{3:3} [ 581.838474][ T4760] [ 581.838474][ T4760] [ 581.838474][ T4760] and interrupts could create inverse lock ordering between them. [ 581.838474][ T4760] [ 581.838775][ T4760] [ 581.838775][ T4760] other info that might help us debug this: [ 581.838897][ T4760] Possible interrupt unsafe locking scenario: [ 581.838897][ T4760] [ 581.839020][ T4760] CPU0 CPU1 [ 581.839115][ T4760] ---- ---- [ 581.839200][ T4760] lock(acaddr_hash_lock); [ 581.839287][ T4760] local_irq_disable(); [ 581.839390][ T4760] lock(&ndev->lock); [ 581.839498][ T4760] lock(acaddr_hash_lock); [ 581.839611][ T4760] [ 581.839680][ T4760] lock(&ndev->lock); [ 581.839747][ T4760] [ 581.839747][ T4760] *** DEADLOCK *** [ 581.839747][ T4760] [ 581.839870][ T4760] 1 lock held by ip/4760: [ 581.839936][ T4760] #0: ffffffff9cc8c9c0 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_deladdr+0x18c/0x2e0 [ 581.840088][ T4760] [ 581.840088][ T4760] the shortest dependencies between 2nd lock and 1st lock: [ 581.840233][ T4760] -> (&ndev->lock){++--}-{3:3} { [ 581.840327][ T4760] HARDIRQ-ON-W at: [ 581.840393][ T4760] __lock_acquire+0x378/0xc10 [ 581.840511][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.840616][ T4760] _raw_write_lock_bh+0x38/0x50 [ 581.840723][ T4760] addrconf_permanent_addr+0x108/0x9c0 [ 581.840849][ T4760] addrconf_notify+0x151/0xf30 [ 581.840960][ T4760] notifier_call_chain+0xb0/0x320 [ 581.841065][ T4760] __dev_notify_flags+0xde/0x280 [ 581.841170][ T4760] netif_change_flags+0xfe/0x190 [ 581.841274][ T4760] do_setlink.isra.0+0x1cc3/0x2750 [ 581.841379][ T4760] rtnl_newlink+0x8d1/0xef0 [ 581.841489][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.841593][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.841699][ T4760] netlink_unicast+0x486/0x750 [ 581.841803][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.841908][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.842016][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.842121][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.842226][ T4760] do_syscall_64+0x117/0x590 [ 581.842333][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.842470][ T4760] HARDIRQ-ON-R at: [ 581.842543][ T4760] __lock_acquire+0x378/0xc10 [ 581.842650][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.842753][ T4760] _raw_read_lock_bh+0x44/0x80 [ 581.842871][ T4760] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 581.842998][ T4760] inet6_fill_link_af+0x5c/0xe0 [ 581.843103][ T4760] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 581.843231][ T4760] rtnl_getlink+0x9c9/0xeb0 [ 581.843342][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.843456][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.843569][ T4760] netlink_unicast+0x486/0x750 [ 581.843672][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.843776][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.843882][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.843992][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.844097][ T4760] do_syscall_64+0x117/0x590 [ 581.844202][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.844326][ T4760] IN-SOFTIRQ-W at: [ 581.844391][ T4760] __lock_acquire+0x378/0xc10 [ 581.844507][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.844612][ T4760] _raw_write_lock+0x33/0x40 [ 581.844718][ T4760] addrconf_rs_timer+0xb0/0x770 [ 581.844823][ T4760] call_timer_fn+0x163/0x4f0 [ 581.844930][ T4760] __run_timers+0x68f/0xab0 [ 581.845035][ T4760] run_timer_softirq+0xf0/0x160 [ 581.845150][ T4760] handle_softirqs+0x1d8/0x940 [ 581.845257][ T4760] __irq_exit_rcu+0x103/0x1c0 [ 581.845362][ T4760] irq_exit_rcu+0xe/0x30 [ 581.845471][ T4760] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 581.845600][ T4760] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 581.845732][ T4760] unwind_next_frame+0x29c/0x1ea0 [ 581.845838][ T4760] arch_stack_walk+0xd7/0x130 [ 581.845943][ T4760] stack_trace_save+0x93/0xc0 [ 581.846064][ T4760] set_track_prepare+0x62/0x90 [ 581.846180][ T4760] free_to_partial_list+0x1c1/0x300 [ 581.846285][ T4760] qlist_free_all+0x5c/0x110 [ 581.846391][ T4760] kasan_quarantine_reduce+0x196/0x240 [ 581.846518][ T4760] __kasan_kmalloc+0x6b/0x90 [ 581.846625][ T4760] ovl_open+0x1ef/0x2f0 [ 581.846742][ T4760] do_dentry_open+0x408/0x1310 [ 581.846847][ T4760] vfs_open+0x7a/0x440 [ 581.846953][ T4760] do_open+0x671/0xda0 [ 581.847059][ T4760] path_openat+0x1d0/0x3b0 [ 581.847164][ T4760] do_file_open+0x209/0x480 [ 581.847269][ T4760] do_sys_openat2+0xde/0x170 [ 581.847375][ T4760] __x64_sys_openat+0x10e/0x210 [ 581.847486][ T4760] do_syscall_64+0x117/0x590 [ 581.847589][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.847734][ T4760] IN-SOFTIRQ-R at: [ 581.847797][ T4760] __lock_acquire+0x378/0xc10 [ 581.847900][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.848006][ T4760] _raw_read_lock_bh+0x44/0x80 [ 581.848111][ T4760] ipv6_get_lladdr+0xa8/0x3f0 [ 581.848220][ T4760] addrconf_rs_timer+0x251/0x770 [ 581.848324][ T4760] call_timer_fn+0x163/0x4f0 [ 581.848431][ T4760] __run_timers+0x68f/0xab0 [ 581.848537][ T4760] run_timer_softirq+0xf0/0x160 [ 581.848642][ T4760] handle_softirqs+0x1d8/0x940 [ 581.848746][ T4760] __irq_exit_rcu+0x103/0x1c0 [ 581.848850][ T4760] irq_exit_rcu+0xe/0x30 [ 581.848955][ T4760] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 581.849080][ T4760] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 581.849206][ T4760] unwind_next_frame+0x29c/0x1ea0 [ 581.849310][ T4760] arch_stack_walk+0xd7/0x130 [ 581.849419][ T4760] stack_trace_save+0x93/0xc0 [ 581.849524][ T4760] set_track_prepare+0x62/0x90 [ 581.849627][ T4760] free_to_partial_list+0x1c1/0x300 [ 581.849732][ T4760] qlist_free_all+0x5c/0x110 [ 581.849841][ T4760] kasan_quarantine_reduce+0x196/0x240 [ 581.849966][ T4760] __kasan_kmalloc+0x6b/0x90 [ 581.850072][ T4760] ovl_open+0x1ef/0x2f0 [ 581.850176][ T4760] do_dentry_open+0x408/0x1310 [ 581.850288][ T4760] vfs_open+0x7a/0x440 [ 581.850395][ T4760] do_open+0x671/0xda0 [ 581.850507][ T4760] path_openat+0x1d0/0x3b0 [ 581.850614][ T4760] do_file_open+0x209/0x480 [ 581.850719][ T4760] do_sys_openat2+0xde/0x170 [ 581.850823][ T4760] __x64_sys_openat+0x10e/0x210 [ 581.850928][ T4760] do_syscall_64+0x117/0x590 [ 581.851032][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.851154][ T4760] INITIAL USE at: [ 581.851216][ T4760] __lock_acquire+0x378/0xc10 [ 581.851320][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.851429][ T4760] _raw_write_lock_bh+0x38/0x50 [ 581.851536][ T4760] addrconf_permanent_addr+0x108/0x9c0 [ 581.851661][ T4760] addrconf_notify+0x151/0xf30 [ 581.851765][ T4760] notifier_call_chain+0xb0/0x320 [ 581.851869][ T4760] __dev_notify_flags+0xde/0x280 [ 581.851975][ T4760] netif_change_flags+0xfe/0x190 [ 581.852080][ T4760] do_setlink.isra.0+0x1cc3/0x2750 [ 581.852184][ T4760] rtnl_newlink+0x8d1/0xef0 [ 581.852289][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.852393][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.852507][ T4760] netlink_unicast+0x486/0x750 [ 581.852618][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.852722][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.852826][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.852937][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.853041][ T4760] do_syscall_64+0x117/0x590 [ 581.853151][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.853284][ T4760] INITIAL READ USE at: [ 581.853367][ T4760] __lock_acquire+0x378/0xc10 [ 581.853475][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.853599][ T4760] _raw_read_lock_bh+0x44/0x80 [ 581.853704][ T4760] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 581.853830][ T4760] inet6_fill_link_af+0x5c/0xe0 [ 581.853935][ T4760] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 581.854062][ T4760] rtnl_getlink+0x9c9/0xeb0 [ 581.854166][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.854269][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.854379][ T4760] netlink_unicast+0x486/0x750 [ 581.854489][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.854594][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.854703][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.854807][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.854912][ T4760] do_syscall_64+0x117/0x590 [ 581.855014][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.855138][ T4760] } [ 581.855185][ T4760] ... key at: [] __key.37+0x0/0x40 [ 581.855313][ T4760] ... acquired at: [ 581.855375][ T4760] __lock_acquire+0x508/0xc10 [ 581.855466][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.855550][ T4760] _raw_spin_lock+0x33/0x40 [ 581.855632][ T4760] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 581.855733][ T4760] __ipv6_dev_ac_inc+0x57e/0x930 [ 581.855815][ T4760] addrconf_join_anycast+0x1bc/0x260 [ 581.855898][ T4760] __ipv6_ifa_notify+0x75b/0xad0 [ 581.855981][ T4760] addrconf_dad_completed+0x14b/0xe10 [ 581.856066][ T4760] addrconf_dad_work+0x3c1/0x930 [ 581.856149][ T4760] process_one_work+0xdf8/0x1410 [ 581.856232][ T4760] worker_thread+0x4f1/0xd60 [ 581.856314][ T4760] kthread+0x367/0x460 [ 581.856377][ T4760] ret_from_fork+0x474/0x6b0 [ 581.856465][ T4760] ret_from_fork_asm+0x11/0x20 [ 581.856548][ T4760] [ 581.856591][ T4760] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 581.856677][ T4760] HARDIRQ-ON-W at: [ 581.856739][ T4760] __lock_acquire+0x378/0xc10 [ 581.856843][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.856948][ T4760] _raw_spin_lock+0x33/0x40 [ 581.857057][ T4760] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 581.857182][ T4760] __ipv6_dev_ac_inc+0x57e/0x930 [ 581.857288][ T4760] addrconf_join_anycast+0x1bc/0x260 [ 581.857395][ T4760] __ipv6_ifa_notify+0x75b/0xad0 [ 581.857503][ T4760] addrconf_dad_completed+0x14b/0xe10 [ 581.857614][ T4760] addrconf_dad_work+0x3c1/0x930 [ 581.857718][ T4760] process_one_work+0xdf8/0x1410 [ 581.857824][ T4760] worker_thread+0x4f1/0xd60 [ 581.857931][ T4760] kthread+0x367/0x460 [ 581.858018][ T4760] ret_from_fork+0x474/0x6b0 [ 581.858124][ T4760] ret_from_fork_asm+0x11/0x20 [ 581.858232][ T4760] SOFTIRQ-ON-W at: [ 581.858296][ T4760] __lock_acquire+0x378/0xc10 [ 581.858403][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.858512][ T4760] _raw_spin_lock+0x33/0x40 [ 581.858615][ T4760] __ipv6_dev_ac_dec+0x236/0x5d0 [ 581.858719][ T4760] addrconf_leave_anycast+0x1bc/0x260 [ 581.858824][ T4760] __ipv6_ifa_notify+0x6b4/0xad0 [ 581.858930][ T4760] ipv6_del_addr+0x419/0xa20 [ 581.859045][ T4760] inet6_addr_del.isra.0+0x21d/0x6c0 [ 581.859150][ T4760] inet6_rtm_deladdr+0x200/0x2e0 [ 581.859258][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.859362][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.859471][ T4760] netlink_unicast+0x486/0x750 [ 581.859576][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.859679][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.859783][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.859886][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.859990][ T4760] do_syscall_64+0x117/0x590 [ 581.860093][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.860219][ T4760] INITIAL USE at: [ 581.860282][ T4760] __lock_acquire+0x378/0xc10 [ 581.860386][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.860493][ T4760] _raw_spin_lock+0x33/0x40 [ 581.860598][ T4760] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 581.860723][ T4760] __ipv6_dev_ac_inc+0x57e/0x930 [ 581.860827][ T4760] addrconf_join_anycast+0x1bc/0x260 [ 581.860931][ T4760] __ipv6_ifa_notify+0x75b/0xad0 [ 581.861034][ T4760] addrconf_dad_completed+0x14b/0xe10 [ 581.861138][ T4760] addrconf_dad_work+0x3c1/0x930 [ 581.861243][ T4760] process_one_work+0xdf8/0x1410 [ 581.861357][ T4760] worker_thread+0x4f1/0xd60 [ 581.861468][ T4760] kthread+0x367/0x460 [ 581.861552][ T4760] ret_from_fork+0x474/0x6b0 [ 581.861655][ T4760] ret_from_fork_asm+0x11/0x20 [ 581.861759][ T4760] } [ 581.861800][ T4760] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 581.861927][ T4760] ... acquired at: [ 581.861989][ T4760] mark_lock+0x1d7/0xa00 [ 581.862072][ T4760] mark_usage+0x105/0x170 [ 581.862155][ T4760] __lock_acquire+0x378/0xc10 [ 581.862238][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.862321][ T4760] _raw_spin_lock+0x33/0x40 [ 581.862404][ T4760] __ipv6_dev_ac_dec+0x236/0x5d0 [ 581.862503][ T4760] addrconf_leave_anycast+0x1bc/0x260 [ 581.862586][ T4760] __ipv6_ifa_notify+0x6b4/0xad0 [ 581.862668][ T4760] ipv6_del_addr+0x419/0xa20 [ 581.862751][ T4760] inet6_addr_del.isra.0+0x21d/0x6c0 [ 581.862835][ T4760] inet6_rtm_deladdr+0x200/0x2e0 [ 581.862918][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.863000][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.863090][ T4760] netlink_unicast+0x486/0x750 [ 581.863173][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.863256][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.863340][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.863428][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.863509][ T4760] do_syscall_64+0x117/0x590 [ 581.863591][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.863693][ T4760] [ 581.863736][ T4760] [ 581.863736][ T4760] stack backtrace: [ 581.863842][ T4760] CPU: 0 UID: 0 PID: 4760 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 581.863845][ T4760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 581.863847][ T4760] Call Trace: [ 581.863849][ T4760] [ 581.863850][ T4760] dump_stack_lvl+0x6f/0xa0 [ 581.863854][ T4760] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 581.863857][ T4760] mark_lock_irq+0x989/0x9c0 [ 581.863860][ T4760] mark_lock+0x1d7/0xa00 [ 581.863862][ T4760] mark_usage+0x105/0x170 [ 581.863863][ T4760] __lock_acquire+0x378/0xc10 [ 581.863866][ T4760] lock_acquire.part.0+0xbc/0x260 [ 581.863867][ T4760] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 581.863869][ T4760] ? rcu_is_watching+0x15/0xd0 [ 581.863871][ T4760] ? do_raw_read_unlock+0x70/0x70 [ 581.863874][ T4760] ? lock_acquire+0x134/0x160 [ 581.863875][ T4760] _raw_spin_lock+0x33/0x40 [ 581.863877][ T4760] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 581.863878][ T4760] __ipv6_dev_ac_dec+0x236/0x5d0 [ 581.863880][ T4760] addrconf_leave_anycast+0x1bc/0x260 [ 581.863882][ T4760] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 581.863884][ T4760] ? __ipv6_isatap_ifid+0x210/0x210 [ 581.863886][ T4760] ? nlmsg_notify+0x62/0x250 [ 581.863888][ T4760] __ipv6_ifa_notify+0x6b4/0xad0 [ 581.863890][ T4760] ? cleanup_prefix_route+0x550/0x550 [ 581.863892][ T4760] ? __cancel_work+0x1e0/0x250 [ 581.863894][ T4760] ? try_to_grab_pending+0x840/0x840 [ 581.863896][ T4760] ? __lock_release.isra.0+0x6b/0x1a0 [ 581.863897][ T4760] ? mark_held_locks+0x40/0x70 [ 581.863899][ T4760] ? ipv6_del_addr+0x419/0xa20 [ 581.863901][ T4760] ipv6_del_addr+0x419/0xa20 [ 581.863902][ T4760] ? find_held_lock+0x2b/0x80 [ 581.863905][ T4760] ? addrconf_dad_start+0x110/0x110 [ 581.863907][ T4760] ? __lock_release.isra.0+0x6b/0x1a0 [ 581.863908][ T4760] ? mark_held_locks+0x40/0x70 [ 581.863910][ T4760] inet6_addr_del.isra.0+0x21d/0x6c0 [ 581.863913][ T4760] inet6_rtm_deladdr+0x200/0x2e0 [ 581.863915][ T4760] ? inet6_addr_del.isra.0+0x6c0/0x6c0 [ 581.863918][ T4760] ? rtnetlink_rcv_msg+0x6dc/0xbd0 [ 581.863920][ T4760] ? inet6_addr_del.isra.0+0x6c0/0x6c0 [ 581.863922][ T4760] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 581.863923][ T4760] ? validate_chain+0x38b/0xc20 [ 581.863925][ T4760] ? rtnl_link_fill+0x920/0x920 [ 581.863926][ T4760] ? __lock_acquire+0x508/0xc10 [ 581.863929][ T4760] ? lock_acquire.part.0+0xbc/0x260 [ 581.863930][ T4760] ? find_held_lock+0x2b/0x80 [ 581.863932][ T4760] netlink_rcv_skb+0x14e/0x3a0 [ 581.863934][ T4760] ? rtnl_link_fill+0x920/0x920 [ 581.863935][ T4760] ? netlink_ack+0xcf0/0xcf0 [ 581.863938][ T4760] ? netlink_deliver_tap+0xc5/0x330 [ 581.863940][ T4760] ? netlink_deliver_tap+0x13c/0x330 [ 581.863942][ T4760] netlink_unicast+0x486/0x750 [ 581.863944][ T4760] ? netlink_attachskb+0x810/0x810 [ 581.863946][ T4760] ? __lock_acquire+0x508/0xc10 [ 581.863948][ T4760] netlink_sendmsg+0x735/0xc60 [ 581.863950][ T4760] ? netlink_unicast+0x750/0x750 [ 581.863952][ T4760] ? __might_fault+0x97/0x140 [ 581.863955][ T4760] ____sys_sendmsg+0x419/0x850 [ 581.863957][ T4760] ? copy_msghdr_from_user+0x2a0/0x460 [ 581.863959][ T4760] ? get_timestamp.constprop.0+0x390/0x390 [ 581.863961][ T4760] ? move_addr_to_kernel+0x40/0x40 [ 581.863963][ T4760] ? stack_depot_save_flags+0x367/0x770 [ 581.863966][ T4760] ? validate_chain+0x38b/0xc20 [ 581.863968][ T4760] ___sys_sendmsg+0x14e/0x1d0 [ 581.863970][ T4760] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 581.863972][ T4760] ? copy_msghdr_from_user+0x460/0x460 [ 581.863977][ T4760] __sys_sendmsg+0x145/0x1f0 [ 581.863979][ T4760] ? __sys_sendmsg_sock+0x20/0x20 [ 581.863980][ T4760] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 581.863982][ T4760] ? do_raw_spin_unlock+0x59/0x250 [ 581.863984][ T4760] ? rcu_is_watching+0x15/0xd0 [ 581.863986][ T4760] do_syscall_64+0x117/0x590 [ 581.863987][ T4760] ? trace_hardirqs_off+0xd/0x30 [ 581.863990][ T4760] ? exc_page_fault+0xee/0x100 [ 581.863992][ T4760] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 581.863993][ T4760] RIP: 0033:0x7f5d60c2208e [ 581.863997][ T4760] 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 [ 581.863998][ T4760] RSP: 002b:00007ffe58cb54e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 581.864001][ T4760] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d60c2208e [ 581.864003][ T4760] RDX: 0000000000000000 RSI: 00007ffe58cb5590 RDI: 0000000000000005 [ 581.864004][ T4760] RBP: 00007ffe58cb54f0 R08: 0000000000000000 R09: 0000000000000000 [ 581.864004][ T4760] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1984c7 [ 581.864005][ T4760] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe58cb5ce0 [ 581.864008][ T4760] [ 582.232906][ T4781] br1: port 4(veth2) entered disabled state [ 582.248999][ T4782] veth2: left allmulticast mode [ 582.249111][ T4782] veth2: left promiscuous mode [ 582.249256][ T4782] br1: port 4(veth2) entered disabled state [ 582.311617][ T4786] br1: port 3(veth1) entered disabled state [ 582.323747][ T4787] veth1: left allmulticast mode [ 582.323852][ T4787] veth1: left promiscuous mode [ 582.323994][ T4787] br1: port 3(veth1) entered disabled state [ 582.356100][ T4789] vx20: left allmulticast mode [ 582.356205][ T4789] vx20: left promiscuous mode [ 582.356345][ T4789] br1: port 2(vx20) entered disabled state [ 582.434729][ T4793] vx10: left allmulticast mode [ 582.434850][ T4793] vx10: left promiscuous mode [ 582.434990][ T4793] br1: port 1(vx10) entered disabled state