[ 29.225259][ T288] 8021q: 802.1Q VLAN Support v1.8 [ 33.977633][ T332] br1: port 1(vx100) entered blocking state [ 33.978209][ T332] br1: port 1(vx100) entered disabled state [ 33.978567][ T332] vx100: entered allmulticast mode [ 33.980471][ T332] vx100: entered promiscuous mode [ 33.981247][ T332] br1: port 1(vx100) entered blocking state [ 33.981566][ T332] br1: port 1(vx100) entered forwarding state [ 34.250216][ T334] br1: port 2(veth1) entered blocking state [ 34.250503][ T334] br1: port 2(veth1) entered disabled state [ 34.250784][ T334] veth1: entered allmulticast mode [ 34.252650][ T334] veth1: entered promiscuous mode [ 34.370130][ T50] br1: port 2(veth1) entered blocking state [ 34.370506][ T50] br1: port 2(veth1) entered forwarding state [ 34.607869][ T337] br1: port 3(veth2) entered blocking state [ 34.608179][ T337] br1: port 3(veth2) entered disabled state [ 34.614304][ T337] veth2: entered allmulticast mode [ 34.616440][ T337] veth2: entered promiscuous mode [ 34.758251][ T50] br1: port 3(veth2) entered blocking state [ 34.758518][ T50] br1: port 3(veth2) entered forwarding state [ 36.079426][ C2] [ 36.079609][ C2] ======================================================== [ 36.080008][ C2] WARNING: possible irq lock inversion dependency detected [ 36.080400][ C2] 6.9.0-rc1-virtme #1 Not tainted [ 36.080671][ C2] -------------------------------------------------------- [ 36.081025][ C2] ip/354 just changed the state of lock: [ 36.081196][ C2] ffff888008890d80 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 36.081523][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 36.081768][ C2] (&p->alloc_lock){+.+.}-{2:2} [ 36.081772][ C2] [ 36.081772][ C2] [ 36.081772][ C2] and interrupts could create inverse lock ordering between them. [ 36.081772][ C2] [ 36.082444][ C2] [ 36.082444][ C2] other info that might help us debug this: [ 36.082697][ C2] Possible interrupt unsafe locking scenario: [ 36.082697][ C2] [ 36.083040][ C2] CPU0 CPU1 [ 36.083295][ C2] ---- ---- [ 36.083548][ C2] lock(&p->alloc_lock); [ 36.083744][ C2] local_irq_disable(); [ 36.084088][ C2] lock(&ndev->lock); [ 36.084437][ C2] lock(&p->alloc_lock); [ 36.084793][ C2] [ 36.085002][ C2] lock(&ndev->lock); [ 36.085216][ C2] [ 36.085216][ C2] *** DEADLOCK *** [ 36.085216][ C2] [ 36.085615][ C2] 3 locks held by ip/354: [ 36.085826][ C2] #0: ffffffffac121c90 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 36.086390][ C2] #1: ffffc90000230b68 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 36.086883][ C2] #2: ffffffffabf522e0 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 36.087247][ C2] [ 36.087247][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 36.087580][ C2] -> (&p->alloc_lock){+.+.}-{2:2} { [ 36.087770][ C2] HARDIRQ-ON-W at: [ 36.087907][ C2] __lock_acquire+0x797/0x1570 [ 36.088154][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.088388][ C2] _raw_spin_lock+0x30/0x40 [ 36.088619][ C2] set_mems_allowed+0x1d/0x210 [ 36.088872][ C2] kernel_init_freeable+0x72/0x310 [ 36.089097][ C2] kernel_init+0x20/0x200 [ 36.089319][ C2] ret_from_fork+0x31/0x70 [ 36.089590][ C2] ret_from_fork_asm+0x1a/0x30 [ 36.089928][ C2] SOFTIRQ-ON-W at: [ 36.090123][ C2] __lock_acquire+0x797/0x1570 [ 36.090498][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.090852][ C2] _raw_spin_lock+0x30/0x40 [ 36.091214][ C2] set_mems_allowed+0x1d/0x210 [ 36.091571][ C2] kernel_init_freeable+0x72/0x310 [ 36.091940][ C2] kernel_init+0x20/0x200 [ 36.092292][ C2] ret_from_fork+0x31/0x70 [ 36.092653][ C2] ret_from_fork_asm+0x1a/0x30 [ 36.093018][ C2] INITIAL USE at: [ 36.093226][ C2] __lock_acquire+0x797/0x1570 [ 36.093574][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.093844][ C2] _raw_spin_lock+0x30/0x40 [ 36.094070][ C2] set_mems_allowed+0x1d/0x210 [ 36.094294][ C2] kernel_init_freeable+0x72/0x310 [ 36.094514][ C2] kernel_init+0x20/0x200 [ 36.094729][ C2] ret_from_fork+0x31/0x70 [ 36.094941][ C2] ret_from_fork_asm+0x1a/0x30 [ 36.095162][ C2] } [ 36.095254][ C2] ... key at: [] __key.387+0x0/0x40 [ 36.095507][ C2] ... acquired at: [ 36.095634][ C2] __lock_acquire+0xaf0/0x1570 [ 36.095853][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.096100][ C2] _raw_spin_lock+0x30/0x40 [ 36.096360][ C2] __get_task_comm+0x27/0x70 [ 36.096619][ C2] ref_tracker_alloc+0x2ee/0x490 [ 36.096894][ C2] netdev_get_by_index+0x5e/0x80 [ 36.097171][ C2] fib6_nh_init+0x3d8/0x15b0 [ 36.097452][ C2] ip6_route_info_create+0xf18/0x17d0 [ 36.097720][ C2] addrconf_f6i_alloc+0x265/0x560 [ 36.097994][ C2] __ipv6_dev_ac_inc+0x25f/0xb10 [ 36.098273][ C2] addrconf_join_anycast+0x1c0/0x220 [ 36.098547][ C2] __ipv6_ifa_notify+0x6b3/0xaf0 [ 36.098820][ C2] addrconf_dad_completed+0x12b/0xe20 [ 36.099096][ C2] addrconf_dad_work+0x38c/0xab0 [ 36.099383][ C2] process_one_work+0xe2c/0x1730 [ 36.099663][ C2] worker_thread+0x587/0xd30 [ 36.099927][ C2] kthread+0x28a/0x350 [ 36.100101][ C2] ret_from_fork+0x31/0x70 [ 36.100272][ C2] ret_from_fork_asm+0x1a/0x30 [ 36.100445][ C2] [ 36.100543][ C2] -> (&ndev->lock){++.-}-{2:2} { [ 36.100721][ C2] HARDIRQ-ON-W at: [ 36.100854][ C2] __lock_acquire+0x797/0x1570 [ 36.101091][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.101304][ C2] _raw_write_lock_bh+0x38/0x50 [ 36.101513][ C2] addrconf_permanent_addr+0x6e/0x670 [ 36.101725][ C2] addrconf_notify+0x749/0xd60 [ 36.102012][ C2] notifier_call_chain+0xcd/0x150 [ 36.102342][ C2] __dev_notify_flags+0xe6/0x250 [ 36.102669][ C2] dev_change_flags+0xec/0x160 [ 36.103002][ C2] do_setlink+0x7d6/0x21e0 [ 36.103345][ C2] __rtnl_newlink+0xaa7/0xd80 [ 36.103702][ C2] rtnl_newlink+0x63/0xa0 [ 36.104041][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 36.104387][ C2] netlink_rcv_skb+0x130/0x360 [ 36.104737][ C2] netlink_unicast+0x449/0x710 [ 36.105074][ C2] netlink_sendmsg+0x723/0xbe0 [ 36.105417][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 36.105757][ C2] ___sys_sendmsg+0xee/0x170 [ 36.106068][ C2] __sys_sendmsg+0xcd/0x170 [ 36.106286][ C2] do_syscall_64+0xc6/0x1e0 [ 36.106500][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.106772][ C2] HARDIRQ-ON-R at: [ 36.106899][ C2] __lock_acquire+0x797/0x1570 [ 36.107128][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.107340][ C2] _raw_read_lock_bh+0x44/0x80 [ 36.107549][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 36.107764][ C2] inet6_fill_link_af+0x5e/0xe0 [ 36.108030][ C2] rtnl_fill_ifinfo+0x1612/0x29e0 [ 36.108351][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 36.108691][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 36.109097][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 36.109416][ C2] register_netdevice+0x1177/0x1690 [ 36.109633][ C2] register_netdev+0x20/0x40 [ 36.109855][ C2] sit_init_net+0x250/0x4f0 [ 36.110080][ C2] ops_init+0x9b/0x560 [ 36.110251][ C2] register_pernet_operations+0x2db/0x710 [ 36.110510][ C2] register_pernet_device+0x2a/0x60 [ 36.110883][ C2] sit_init+0x23/0xe0 [ 36.111064][ C2] do_one_initcall+0x8d/0x1e0 [ 36.111286][ C2] do_initcalls+0x1b2/0x3e0 [ 36.111609][ C2] kernel_init_freeable+0x232/0x310 [ 36.111840][ C2] kernel_init+0x20/0x200 [ 36.112055][ C2] ret_from_fork+0x31/0x70 [ 36.112286][ C2] ret_from_fork_asm+0x1a/0x30 [ 36.112611][ C2] IN-SOFTIRQ-R at: [ 36.112738][ C2] __lock_acquire+0x797/0x1570 [ 36.112956][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.113273][ C2] _raw_read_lock_bh+0x44/0x80 [ 36.113488][ C2] ipv6_get_lladdr+0xa9/0x3e0 [ 36.113699][ C2] ndisc_send_ns+0xe7/0x100 [ 36.113914][ C2] ndisc_solicit+0x2ae/0x4d0 [ 36.114236][ C2] neigh_probe+0xaa/0xf0 [ 36.114447][ C2] neigh_timer_handler+0x45b/0xdf0 [ 36.114663][ C2] call_timer_fn+0x13b/0x230 [ 36.114989][ C2] __run_timers+0x545/0x810 [ 36.115201][ C2] timer_expire_remote+0x9b/0xe0 [ 36.115411][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 36.115619][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 36.116049][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 36.116263][ C2] __do_softirq+0x1f8/0x5df [ 36.116472][ C2] irq_exit_rcu+0x97/0xc0 [ 36.116796][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 36.117044][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 36.117298][ C2] _raw_spin_unlock_irqrestore+0x43/0x70 [ 36.117657][ C2] qlist_free_all+0x4c/0x140 [ 36.117874][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 36.118085][ C2] __kasan_slab_alloc+0x49/0x70 [ 36.118410][ C2] kmem_cache_alloc+0xef/0x270 [ 36.118624][ C2] p9_tag_alloc+0x99/0x700 [ 36.118839][ C2] p9_client_prepare_req+0xe6/0x290 [ 36.119051][ C2] p9_client_rpc+0x18d/0x930 [ 36.119537][ C2] p9_client_clunk+0x74/0xe0 [ 36.119798][ C2] v9fs_dentry_release+0xb9/0x140 [ 36.120032][ C2] __dentry_kill+0x1d9/0x4f0 [ 36.120360][ C2] dput.part.0+0x333/0x6c0 [ 36.120571][ C2] walk_component+0x199/0x4f0 [ 36.120785][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 36.121143][ C2] path_openat+0x1be/0x440 [ 36.121359][ C2] do_filp_open+0x1b3/0x3e0 [ 36.121567][ C2] do_sys_openat2+0x122/0x160 [ 36.121775][ C2] __x64_sys_openat+0x123/0x1e0 [ 36.122094][ C2] do_syscall_64+0xc6/0x1e0 [ 36.122307][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.122557][ C2] INITIAL USE at: [ 36.122797][ C2] __lock_acquire+0x797/0x1570 [ 36.123006][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.123221][ C2] _raw_write_lock_bh+0x38/0x50 [ 36.123433][ C2] addrconf_permanent_addr+0x6e/0x670 [ 36.123754][ C2] addrconf_notify+0x749/0xd60 [ 36.123962][ C2] notifier_call_chain+0xcd/0x150 [ 36.124171][ C2] __dev_notify_flags+0xe6/0x250 [ 36.124496][ C2] dev_change_flags+0xec/0x160 [ 36.124705][ C2] do_setlink+0x7d6/0x21e0 [ 36.124916][ C2] __rtnl_newlink+0xaa7/0xd80 [ 36.125235][ C2] rtnl_newlink+0x63/0xa0 [ 36.125490][ C2] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 36.125714][ C2] netlink_rcv_skb+0x130/0x360 [ 36.125947][ C2] netlink_unicast+0x449/0x710 [ 36.126281][ C2] netlink_sendmsg+0x723/0xbe0 [ 36.126505][ C2] ____sys_sendmsg+0x7b2/0xa10 [ 36.126732][ C2] ___sys_sendmsg+0xee/0x170 [ 36.127069][ C2] __sys_sendmsg+0xcd/0x170 [ 36.127295][ C2] do_syscall_64+0xc6/0x1e0 [ 36.127518][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.127907][ C2] INITIAL READ USE at: [ 36.128046][ C2] __lock_acquire+0x797/0x1570 [ 36.128273][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.128499][ C2] _raw_read_lock_bh+0x44/0x80 [ 36.128727][ C2] inet6_fill_ifla6_attrs+0x516/0x740 [ 36.128998][ C2] inet6_fill_link_af+0x5e/0xe0 [ 36.129223][ C2] rtnl_fill_ifinfo+0x1612/0x29e0 [ 36.129686][ C2] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 36.129960][ C2] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 36.130232][ C2] rtmsg_ifinfo+0x5b/0xa0 [ 36.130565][ C2] register_netdevice+0x1177/0x1690 [ 36.130835][ C2] register_netdev+0x20/0x40 [ 36.131066][ C2] sit_init_net+0x250/0x4f0 [ 36.131292][ C2] ops_init+0x9b/0x560 [ 36.131629][ C2] register_pernet_operations+0x2db/0x710 [ 36.131899][ C2] register_pernet_device+0x2a/0x60 [ 36.132171][ C2] sit_init+0x23/0xe0 [ 36.132510][ C2] do_one_initcall+0x8d/0x1e0 [ 36.132739][ C2] do_initcalls+0x1b2/0x3e0 [ 36.132969][ C2] kernel_init_freeable+0x232/0x310 [ 36.133349][ C2] kernel_init+0x20/0x200 [ 36.133573][ C2] ret_from_fork+0x31/0x70 [ 36.133800][ C2] ret_from_fork_asm+0x1a/0x30 [ 36.134136][ C2] } [ 36.134234][ C2] ... key at: [] __key.37+0x0/0x40 [ 36.134508][ C2] ... acquired at: [ 36.134644][ C2] mark_lock+0x28d/0x3e0 [ 36.134828][ C2] mark_usage+0xd9/0x2a0 [ 36.135118][ C2] __lock_acquire+0x797/0x1570 [ 36.135297][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.135478][ C2] _raw_read_lock_bh+0x44/0x80 [ 36.135659][ C2] ipv6_get_lladdr+0xa9/0x3e0 [ 36.135952][ C2] ndisc_send_ns+0xe7/0x100 [ 36.136136][ C2] ndisc_solicit+0x2ae/0x4d0 [ 36.136315][ C2] neigh_probe+0xaa/0xf0 [ 36.136495][ C2] neigh_timer_handler+0x45b/0xdf0 [ 36.136673][ C2] call_timer_fn+0x13b/0x230 [ 36.136858][ C2] __run_timers+0x545/0x810 [ 36.137038][ C2] timer_expire_remote+0x9b/0xe0 [ 36.137219][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 36.137509][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 36.137690][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 36.137871][ C2] __do_softirq+0x1f8/0x5df [ 36.138049][ C2] irq_exit_rcu+0x97/0xc0 [ 36.138234][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 36.138570][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 36.138800][ C2] _raw_spin_unlock_irqrestore+0x43/0x70 [ 36.139026][ C2] qlist_free_all+0x4c/0x140 [ 36.139210][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 36.139405][ C2] __kasan_slab_alloc+0x49/0x70 [ 36.139592][ C2] kmem_cache_alloc+0xef/0x270 [ 36.139774][ C2] p9_tag_alloc+0x99/0x700 [ 36.140069][ C2] p9_client_prepare_req+0xe6/0x290 [ 36.140252][ C2] p9_client_rpc+0x18d/0x930 [ 36.140433][ C2] p9_client_clunk+0x74/0xe0 [ 36.140611][ C2] v9fs_dentry_release+0xb9/0x140 [ 36.140795][ C2] __dentry_kill+0x1d9/0x4f0 [ 36.141091][ C2] dput.part.0+0x333/0x6c0 [ 36.141272][ C2] walk_component+0x199/0x4f0 [ 36.141454][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 36.141676][ C2] path_openat+0x1be/0x440 [ 36.141968][ C2] do_filp_open+0x1b3/0x3e0 [ 36.142147][ C2] do_sys_openat2+0x122/0x160 [ 36.142329][ C2] __x64_sys_openat+0x123/0x1e0 [ 36.142508][ C2] do_syscall_64+0xc6/0x1e0 [ 36.142800][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.143038][ C2] [ 36.143128][ C2] [ 36.143128][ C2] stack backtrace: [ 36.143348][ C2] CPU: 2 PID: 354 Comm: ip Not tainted 6.9.0-rc1-virtme #1 [ 36.143832][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 36.144226][ C2] Call Trace: [ 36.144365][ C2] [ 36.144564][ C2] dump_stack_lvl+0x82/0xd0 [ 36.144749][ C2] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 36.144970][ C2] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 36.145190][ C2] ? __pfx_usage_skip+0x10/0x10 [ 36.145474][ C2] ? __pfx_usage_match+0x10/0x10 [ 36.145654][ C2] ? arch_stack_walk+0xa2/0xf0 [ 36.145835][ C2] mark_lock_irq+0x4cd/0xa10 [ 36.146012][ C2] ? __pfx_mark_lock_irq+0x10/0x10 [ 36.146293][ C2] ? stack_trace_save+0x94/0xd0 [ 36.146475][ C2] ? save_trace+0x8f/0x5b0 [ 36.146652][ C2] mark_lock+0x28d/0x3e0 [ 36.146786][ C2] mark_usage+0xd9/0x2a0 [ 36.146924][ C2] __lock_acquire+0x797/0x1570 [ 36.147215][ C2] lock_acquire.part.0+0xeb/0x330 [ 36.147391][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.147566][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 36.147742][ C2] ? trace_lock_acquire+0x135/0x1c0 [ 36.148028][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.148204][ C2] ? lock_acquire+0x32/0xc0 [ 36.148382][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.148556][ C2] _raw_read_lock_bh+0x44/0x80 [ 36.148732][ C2] ? ipv6_get_lladdr+0xa9/0x3e0 [ 36.149018][ C2] ipv6_get_lladdr+0xa9/0x3e0 [ 36.149195][ C2] ndisc_send_ns+0xe7/0x100 [ 36.149376][ C2] ? __pfx_ndisc_send_ns+0x10/0x10 [ 36.149556][ C2] ? __ipv6_chk_addr_and_flags+0x393/0x650 [ 36.149780][ C2] ndisc_solicit+0x2ae/0x4d0 [ 36.149957][ C2] ? __pfx_ndisc_solicit+0x10/0x10 [ 36.150133][ C2] ? neigh_probe+0x57/0xf0 [ 36.150312][ C2] neigh_probe+0xaa/0xf0 [ 36.150555][ C2] neigh_timer_handler+0x45b/0xdf0 [ 36.150738][ C2] ? call_timer_fn+0xe8/0x230 [ 36.150913][ C2] ? __pfx_neigh_timer_handler+0x10/0x10 [ 36.151089][ C2] call_timer_fn+0x13b/0x230 [ 36.151379][ C2] ? call_timer_fn+0xe8/0x230 [ 36.151555][ C2] ? call_timer_fn+0xe8/0x230 [ 36.151729][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 36.151907][ C2] ? hlock_class+0x4e/0x130 [ 36.152083][ C2] ? mark_held_locks+0x9e/0xe0 [ 36.152373][ C2] __run_timers+0x545/0x810 [ 36.152546][ C2] ? __pfx_neigh_timer_handler+0x10/0x10 [ 36.152720][ C2] ? __pfx___run_timers+0x10/0x10 [ 36.152894][ C2] ? __lock_release+0x103/0x460 [ 36.153185][ C2] ? do_raw_spin_lock+0x131/0x270 [ 36.153363][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 36.153537][ C2] ? lock_acquire+0x32/0xc0 [ 36.153715][ C2] ? timer_expire_remote+0x93/0xe0 [ 36.154005][ C2] timer_expire_remote+0x9b/0xe0 [ 36.154178][ C2] tmigr_handle_remote_cpu+0x270/0x430 [ 36.154353][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 36.154572][ C2] ? hlock_class+0x4e/0x130 [ 36.154857][ C2] ? mark_lock+0x38/0x3e0 [ 36.154990][ C2] ? mark_held_locks+0x9e/0xe0 [ 36.155168][ C2] tmigr_handle_remote_up+0x19f/0x2e0 [ 36.155343][ C2] tmigr_handle_remote+0x21d/0x3a0 [ 36.155518][ C2] ? do_raw_spin_lock+0x131/0x270 [ 36.155805][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 36.155981][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 36.156199][ C2] __do_softirq+0x1f8/0x5df [ 36.156379][ C2] irq_exit_rcu+0x97/0xc0 [ 36.156624][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 36.156798][ C2] [ 36.156888][ C2] [ 36.156980][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 36.157196][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 36.157650][ C2] Code: 10 e8 21 49 9b fd 48 89 ef e8 59 b9 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 05 bf 2f 55 <74> 0e 5b 5d c3 cc cc cc cc e8 4f b3 be fd eb dc 0f 1f 44 00 00 5b [ 36.158388][ C2] RSP: 0018:ffffc900006ef528 EFLAGS: 00000286 [ 36.158616][ C2] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff5be5955 [ 36.158880][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaad40911 [ 36.159250][ C2] RBP: ffff888001040cc0 R08: 0000000000000001 R09: fffffbfff5be38a9 [ 36.159507][ C2] R10: ffffffffadf1c54f R11: 0000000000000200 R12: ffff888006011000 [ 36.159755][ C2] R13: 0000000000000000 R14: ffffc900006ef578 R15: ffff888006227a00 [ 36.160123][ C2] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 36.160326][ C2] qlist_free_all+0x4c/0x140 [ 36.160492][ C2] kasan_quarantine_reduce+0x192/0x1e0 [ 36.160656][ C2] __kasan_slab_alloc+0x49/0x70 [ 36.160934][ C2] kmem_cache_alloc+0xef/0x270 [ 36.161117][ C2] ? kernel_text_address+0xce/0xe0 [ 36.161295][ C2] p9_tag_alloc+0x99/0x700 [ 36.161472][ C2] ? __pfx_p9_tag_alloc+0x10/0x10 [ 36.161647][ C2] ? hlock_class+0x4e/0x130 [ 36.161822][ C2] ? validate_chain+0x130/0x9b0 [ 36.162006][ C2] ? hlock_class+0x4e/0x130 [ 36.162178][ C2] p9_client_prepare_req+0xe6/0x290 [ 36.162340][ C2] ? hlock_class+0x4e/0x130 [ 36.162610][ C2] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 36.162813][ C2] ? __lock_acquire+0xaf0/0x1570 [ 36.162978][ C2] p9_client_rpc+0x18d/0x930 [ 36.163148][ C2] ? __pfx_p9_client_rpc+0x10/0x10 [ 36.163417][ C2] ? __lock_release+0x103/0x460 [ 36.163579][ C2] ? list_lru_add+0x76/0x250 [ 36.163742][ C2] ? __pfx___lock_release+0x10/0x10 [ 36.163906][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 36.164187][ C2] ? find_held_lock+0x2c/0x110 [ 36.164351][ C2] ? __lock_release+0x103/0x460 [ 36.164518][ C2] ? __pfx___lock_release+0x10/0x10 [ 36.164684][ C2] p9_client_clunk+0x74/0xe0 [ 36.164961][ C2] v9fs_dentry_release+0xb9/0x140 [ 36.165133][ C2] __dentry_kill+0x1d9/0x4f0 [ 36.165297][ C2] ? __pfx_kfree_link+0x10/0x10 [ 36.165464][ C2] dput.part.0+0x333/0x6c0 [ 36.165739][ C2] walk_component+0x199/0x4f0 [ 36.165906][ C2] link_path_walk.part.0.constprop.0+0x494/0x9f0 [ 36.166112][ C2] ? __pfx_link_path_walk.part.0.constprop.0+0x10/0x10 [ 36.166318][ C2] path_openat+0x1be/0x440 [ 36.166593][ C2] ? __pfx_path_openat+0x10/0x10 [ 36.166756][ C2] ? __lock_acquire+0xaf0/0x1570 [ 36.166924][ C2] do_filp_open+0x1b3/0x3e0 [ 36.167091][ C2] ? __pfx_do_filp_open+0x10/0x10 [ 36.167361][ C2] ? find_held_lock+0x2c/0x110 [ 36.167526][ C2] ? __pfx_kfree_link+0x10/0x10 [ 36.167691][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 36.167855][ C2] ? alloc_fd+0x1f5/0x650 [ 36.167983][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 36.168254][ C2] ? _raw_spin_unlock+0x23/0x40 [ 36.168421][ C2] ? alloc_fd+0x1f5/0x650 [ 36.168546][ C2] do_sys_openat2+0x122/0x160 [ 36.168707][ C2] ? vfs_fstatat+0x9e/0xc0 [ 36.168983][ C2] ? __pfx_do_sys_openat2+0x10/0x10 [ 36.169163][ C2] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 36.169365][ C2] __x64_sys_openat+0x123/0x1e0 [ 36.169583][ C2] ? __pfx___x64_sys_openat+0x10/0x10 [ 36.169770][ C2] ? __pfx_do_faccessat+0x10/0x10 [ 36.170047][ C2] do_syscall_64+0xc6/0x1e0 [ 36.170210][ C2] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 36.170420][ C2] RIP: 0033:0x7f83f8aa30e8 [ 36.170600][ C2] Code: f9 41 89 f0 41 83 e2 40 75 30 89 f0 25 00 00 41 00 3d 00 00 41 00 74 22 44 89 c2 4c 89 ce bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 30 c3 0f 1f 80 00 00 00 00 48 8d 44 24 08 c7 [ 36.171407][ C2] RSP: 002b:00007ffd5cba9c18 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 36.171801][ C2] RAX: ffffffffffffffda RBX: 00007ffd5cba9eaf RCX: 00007f83f8aa30e8 [ 36.172076][ C2] RDX: 0000000000080000 RSI: 00007ffd5cba9c90 RDI: 00000000ffffff9c [ 36.172348][ C2] RBP: 00007ffd5cba9c80 R08: 0000000000080000 R09: 00007ffd5cba9c90 [ 36.172723][ C2] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffd5cba9c97 [ 36.172989][ C2] R13: 00007ffd5cba9ec0 R14: 00007ffd5cba9c90 R15: 00007f83f8a74000 [ 36.173262][ C2] [ 38.777599][ T379] br2: port 1(w1) entered blocking state [ 38.778912][ T379] br2: port 1(w1) entered disabled state [ 38.779186][ T379] w1: entered allmulticast mode [ 38.781700][ T379] w1: entered promiscuous mode [ 39.524318][ T386] br2: port 2(vx100) entered blocking state [ 39.524557][ T386] br2: port 2(vx100) entered disabled state [ 39.524790][ T386] vx100: entered allmulticast mode [ 39.527452][ T386] vx100: entered promiscuous mode [ 39.527948][ T386] br2: port 2(vx100) entered blocking state [ 39.528162][ T386] br2: port 2(vx100) entered forwarding state [ 40.432577][ T50] br2: port 1(w1) entered blocking state [ 40.432894][ T50] br2: port 1(w1) entered forwarding state [ 43.004594][ T421] br2: port 1(w1) entered blocking state [ 43.005263][ T421] br2: port 1(w1) entered disabled state [ 43.005437][ T421] w1: entered allmulticast mode [ 43.006916][ T421] w1: entered promiscuous mode [ 43.747190][ T428] br2: port 2(vx100) entered blocking state [ 43.747401][ T428] br2: port 2(vx100) entered disabled state [ 43.747594][ T428] vx100: entered allmulticast mode [ 43.749089][ T428] vx100: entered promiscuous mode [ 43.749492][ T428] br2: port 2(vx100) entered blocking state [ 43.749703][ T428] br2: port 2(vx100) entered forwarding state [ 44.550707][ T51] br2: port 1(w1) entered blocking state [ 44.550927][ T51] br2: port 1(w1) entered forwarding state [ 57.342006][ T10] vx100: left allmulticast mode [ 57.342252][ T10] vx100: left promiscuous mode [ 57.342625][ T10] br2: port 2(vx100) entered disabled state [ 57.344445][ T10] w1: left allmulticast mode [ 57.344664][ T10] w1: left promiscuous mode [ 57.345042][ T10] br2: port 1(w1) entered disabled state [ 57.698036][ T10] vx100: left allmulticast mode [ 57.698214][ T10] vx100: left promiscuous mode [ 57.698467][ T10] br2: port 2(vx100) entered disabled state [ 57.702600][ T10] w1: left allmulticast mode [ 57.702775][ T10] w1: left promiscuous mode [ 57.703065][ T10] br2: port 1(w1) entered disabled state [ 59.876196][ T532] br1: port 3(veth2) entered disabled state [ 59.986142][ T533] veth2: left allmulticast mode [ 59.986318][ T533] veth2: left promiscuous mode [ 59.986575][ T533] br1: port 3(veth2) entered disabled state [ 60.219572][ T535] br1: port 2(veth1) entered disabled state [ 60.324101][ T536] veth1: left allmulticast mode [ 60.324277][ T536] veth1: left promiscuous mode [ 60.324523][ T536] br1: port 2(veth1) entered disabled state [ 60.432521][ T537] vx100: left allmulticast mode [ 60.432690][ T537] vx100: left promiscuous mode [ 60.432951][ T537] br1: port 1(vx100) entered disabled state