[ 28.169095][ T283] 8021q: 802.1Q VLAN Support v1.8 [ 32.149438][ T326] GACT probability NOT on [ 33.649055][ T341] br10: port 1(veth1.10) entered blocking state [ 33.649491][ T341] br10: port 1(veth1.10) entered disabled state [ 33.649851][ T341] veth1.10: entered allmulticast mode [ 33.650057][ T341] veth1: entered allmulticast mode [ 33.652042][ T341] veth1.10: entered promiscuous mode [ 33.652555][ T341] veth1: entered promiscuous mode [ 34.126333][ T346] br11: port 1(veth1.11) entered blocking state [ 34.126584][ T346] br11: port 1(veth1.11) entered disabled state [ 34.126831][ T346] veth1.11: entered allmulticast mode [ 34.129166][ T346] veth1.11: entered promiscuous mode [ 35.054158][ T356] br10: port 2(veth2.10) entered blocking state [ 35.055679][ T356] br10: port 2(veth2.10) entered disabled state [ 35.061843][ T356] veth2.10: entered allmulticast mode [ 35.062069][ T356] veth2: entered allmulticast mode [ 35.064017][ T356] veth2.10: entered promiscuous mode [ 35.064435][ T356] veth2: entered promiscuous mode [ 35.632107][ T361] br11: port 2(veth2.11) entered blocking state [ 35.632514][ T361] br11: port 2(veth2.11) entered disabled state [ 35.632878][ T361] veth2.11: entered allmulticast mode [ 35.635756][ T361] veth2.11: entered promiscuous mode [ 36.099560][ T365] br10: port 2(veth2.10) entered blocking state [ 36.099924][ T365] br10: port 2(veth2.10) entered forwarding state [ 36.100746][ T365] br10: port 1(veth1.10) entered blocking state [ 36.100976][ T365] br10: port 1(veth1.10) entered forwarding state [ 36.113864][ T365] ip (365) used greatest stack depth: 24000 bytes left [ 36.224027][ T366] br11: port 2(veth2.11) entered blocking state [ 36.224318][ T366] br11: port 2(veth2.11) entered forwarding state [ 36.224959][ T366] br11: port 1(veth1.11) entered blocking state [ 36.225195][ T366] br11: port 1(veth1.11) entered forwarding state [ 51.544334][ C3] [ 51.544457][ C3] ======================================================== [ 51.544724][ C3] WARNING: possible irq lock inversion dependency detected [ 51.544979][ C3] 6.9.0-rc1-virtme #1 Not tainted [ 51.545150][ C3] -------------------------------------------------------- [ 51.545405][ C3] tc/407 just changed the state of lock: [ 51.545573][ C3] ffff888005b4ac38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.546004][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 51.546255][ C3] (&p->alloc_lock){+.+.}-{2:2} [ 51.546259][ C3] [ 51.546259][ C3] [ 51.546259][ C3] and interrupts could create inverse lock ordering between them. [ 51.546259][ C3] [ 51.546877][ C3] [ 51.546877][ C3] other info that might help us debug this: [ 51.547128][ C3] Chain exists of: [ 51.547128][ C3] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 51.547128][ C3] [ 51.547512][ C3] Possible interrupt unsafe locking scenario: [ 51.547512][ C3] [ 51.547768][ C3] CPU0 CPU1 [ 51.547936][ C3] ---- ---- [ 51.548103][ C3] lock(&p->alloc_lock); [ 51.548242][ C3] local_irq_disable(); [ 51.548452][ C3] lock(&br->lock); [ 51.548672][ C3] lock(lweventlist_lock); [ 51.548892][ C3] [ 51.549011][ C3] lock(&br->lock); [ 51.549133][ C3] [ 51.549133][ C3] *** DEADLOCK *** [ 51.549133][ C3] [ 51.549369][ C3] 2 locks held by tc/407: [ 51.549488][ C3] #0: ffffffff98d21c90 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x85/0x1e0 [ 51.549919][ C3] #1: ffffc90000288d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 51.550236][ C3] [ 51.550236][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 51.550510][ C3] -> (&p->alloc_lock){+.+.}-{2:2} { [ 51.550669][ C3] HARDIRQ-ON-W at: [ 51.550898][ C3] __lock_acquire+0x797/0x1570 [ 51.551098][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.551296][ C3] _raw_spin_lock+0x30/0x40 [ 51.551491][ C3] set_mems_allowed+0x1d/0x210 [ 51.551689][ C3] kernel_init_freeable+0x72/0x310 [ 51.551885][ C3] kernel_init+0x20/0x200 [ 51.552082][ C3] ret_from_fork+0x31/0x70 [ 51.552282][ C3] ret_from_fork_asm+0x1a/0x30 [ 51.552481][ C3] SOFTIRQ-ON-W at: [ 51.552597][ C3] __lock_acquire+0x797/0x1570 [ 51.552800][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.552994][ C3] _raw_spin_lock+0x30/0x40 [ 51.553191][ C3] set_mems_allowed+0x1d/0x210 [ 51.553389][ C3] kernel_init_freeable+0x72/0x310 [ 51.553602][ C3] kernel_init+0x20/0x200 [ 51.553798][ C3] ret_from_fork+0x31/0x70 [ 51.553999][ C3] ret_from_fork_asm+0x1a/0x30 [ 51.554197][ C3] INITIAL USE at: [ 51.554315][ C3] __lock_acquire+0x797/0x1570 [ 51.554509][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.554702][ C3] _raw_spin_lock+0x30/0x40 [ 51.554897][ C3] set_mems_allowed+0x1d/0x210 [ 51.555099][ C3] kernel_init_freeable+0x72/0x310 [ 51.555305][ C3] kernel_init+0x20/0x200 [ 51.555609][ C3] ret_from_fork+0x31/0x70 [ 51.555805][ C3] ret_from_fork_asm+0x1a/0x30 [ 51.555999][ C3] } [ 51.556085][ C3] ... key at: [] __key.387+0x0/0x40 [ 51.556329][ C3] ... acquired at: [ 51.556447][ C3] __lock_acquire+0xaf0/0x1570 [ 51.556616][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.556776][ C3] _raw_spin_lock+0x30/0x40 [ 51.557033][ C3] __get_task_comm+0x27/0x70 [ 51.557189][ C3] ref_tracker_alloc+0x2ee/0x490 [ 51.557345][ C3] linkwatch_fire_event+0x196/0x200 [ 51.557501][ C3] veth_newlink+0x367/0x830 [veth] [ 51.557665][ C3] rtnl_newlink_create+0x341/0x850 [ 51.557824][ C3] __rtnl_newlink+0xac9/0xd80 [ 51.557980][ C3] rtnl_newlink+0x63/0xa0 [ 51.558238][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.558498][ C3] netlink_rcv_skb+0x130/0x360 [ 51.558660][ C3] netlink_unicast+0x449/0x710 [ 51.558831][ C3] netlink_sendmsg+0x723/0xbe0 [ 51.558987][ C3] ____sys_sendmsg+0x7b2/0xa10 [ 51.559145][ C3] ___sys_sendmsg+0xee/0x170 [ 51.559301][ C3] __sys_sendmsg+0xcd/0x170 [ 51.559563][ C3] do_syscall_64+0xc6/0x1e0 [ 51.559715][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.560014][ C3] [ 51.560102][ C3] -> (lweventlist_lock){....}-{2:2} { [ 51.560274][ C3] INITIAL USE at: [ 51.560394][ C3] __lock_acquire+0x797/0x1570 [ 51.560589][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.560892][ C3] _raw_spin_lock_irqsave+0x3f/0x60 [ 51.561089][ C3] linkwatch_sync_dev+0x29/0x1f0 [ 51.561291][ C3] rtnl_getlink+0x4c9/0x970 [ 51.561599][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.561798][ C3] netlink_rcv_skb+0x130/0x360 [ 51.561998][ C3] netlink_unicast+0x449/0x710 [ 51.562188][ C3] netlink_sendmsg+0x723/0xbe0 [ 51.562496][ C3] __sys_sendto+0x37d/0x410 [ 51.562691][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 51.562892][ C3] do_syscall_64+0xc6/0x1e0 [ 51.563088][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.563323][ C3] } [ 51.563402][ C3] ... key at: [] lweventlist_lock+0x18/0x60 [ 51.563739][ C3] ... acquired at: [ 51.563857][ C3] __lock_acquire+0xaf0/0x1570 [ 51.564122][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.564280][ C3] _raw_spin_lock_irqsave+0x3f/0x60 [ 51.564437][ C3] linkwatch_fire_event+0x74/0x200 [ 51.564595][ C3] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 51.564840][ C3] br_set_mac_address+0x1f3/0x260 [bridge] [ 51.565175][ C3] dev_set_mac_address+0x28a/0x410 [ 51.565331][ C3] dev_set_mac_address_user+0x31/0x50 [ 51.565587][ C3] do_setlink+0x17b4/0x21e0 [ 51.565740][ C3] rtnl_setlink+0x1f7/0x310 [ 51.565895][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.566051][ C3] netlink_rcv_skb+0x130/0x360 [ 51.566309][ C3] netlink_unicast+0x449/0x710 [ 51.566480][ C3] netlink_sendmsg+0x723/0xbe0 [ 51.566639][ C3] __sys_sendto+0x37d/0x410 [ 51.566796][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 51.566951][ C3] do_syscall_64+0xc6/0x1e0 [ 51.567105][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.567296][ C3] [ 51.567375][ C3] -> (&br->lock){+.-.}-{2:2} { [ 51.567532][ C3] HARDIRQ-ON-W at: [ 51.567751][ C3] __lock_acquire+0x797/0x1570 [ 51.567948][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.568145][ C3] _raw_spin_lock_bh+0x38/0x50 [ 51.568343][ C3] br_set_mac_address+0xd2/0x260 [bridge] [ 51.568609][ C3] dev_set_mac_address+0x28a/0x410 [ 51.568809][ C3] dev_set_mac_address_user+0x31/0x50 [ 51.569104][ C3] do_setlink+0x17b4/0x21e0 [ 51.569413][ C3] rtnl_setlink+0x1f7/0x310 [ 51.569609][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.569803][ C3] netlink_rcv_skb+0x130/0x360 [ 51.569997][ C3] netlink_unicast+0x449/0x710 [ 51.570195][ C3] netlink_sendmsg+0x723/0xbe0 [ 51.570391][ C3] __sys_sendto+0x37d/0x410 [ 51.570587][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 51.570885][ C3] do_syscall_64+0xc6/0x1e0 [ 51.571079][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.571313][ C3] IN-SOFTIRQ-W at: [ 51.571430][ C3] __lock_acquire+0x797/0x1570 [ 51.571625][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.571924][ C3] _raw_spin_lock+0x30/0x40 [ 51.572129][ C3] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.572512][ C3] call_timer_fn+0x13b/0x230 [ 51.572712][ C3] __run_timers+0x545/0x810 [ 51.572908][ C3] run_timer_softirq+0xe8/0x1b0 [ 51.573212][ C3] __do_softirq+0x1f8/0x5df [ 51.573410][ C3] irq_exit_rcu+0x97/0xc0 [ 51.573613][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 51.573848][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.574082][ C3] _raw_spin_unlock_irqrestore+0x43/0x70 [ 51.574420][ C3] qlist_free_all+0x4c/0x140 [ 51.574720][ C3] kasan_quarantine_reduce+0x192/0x1e0 [ 51.574934][ C3] __kasan_slab_alloc+0x49/0x70 [ 51.575137][ C3] __kmalloc+0x171/0x3c0 [ 51.575336][ C3] p9pdu_vreadf+0xb15/0x21f0 [ 51.575534][ C3] p9pdu_readf+0xa7/0xe0 [ 51.575730][ C3] p9_client_readlink+0xc1/0x120 [ 51.576032][ C3] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 51.576233][ C3] ovl_get_link+0x62/0x90 [ 51.576430][ C3] pick_link+0x8b4/0x1160 [ 51.576626][ C3] step_into+0x84e/0xfa0 [ 51.576925][ C3] open_last_lookups+0x48c/0xcd0 [ 51.577118][ C3] path_openat+0x16f/0x440 [ 51.577313][ C3] do_filp_open+0x1b3/0x3e0 [ 51.577511][ C3] do_sys_openat2+0x122/0x160 [ 51.577815][ C3] __x64_sys_openat+0x123/0x1e0 [ 51.578011][ C3] do_syscall_64+0xc6/0x1e0 [ 51.578204][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.578436][ C3] INITIAL USE at: [ 51.578553][ C3] __lock_acquire+0x797/0x1570 [ 51.578859][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.579054][ C3] _raw_spin_lock_bh+0x38/0x50 [ 51.579247][ C3] br_set_mac_address+0xd2/0x260 [bridge] [ 51.579512][ C3] dev_set_mac_address+0x28a/0x410 [ 51.579706][ C3] dev_set_mac_address_user+0x31/0x50 [ 51.580005][ C3] do_setlink+0x17b4/0x21e0 [ 51.580200][ C3] rtnl_setlink+0x1f7/0x310 [ 51.580394][ C3] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 51.580693][ C3] netlink_rcv_skb+0x130/0x360 [ 51.580889][ C3] netlink_unicast+0x449/0x710 [ 51.581083][ C3] netlink_sendmsg+0x723/0xbe0 [ 51.581275][ C3] __sys_sendto+0x37d/0x410 [ 51.581571][ C3] __x64_sys_sendto+0xe0/0x1c0 [ 51.581764][ C3] do_syscall_64+0xc6/0x1e0 [ 51.581960][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.582194][ C3] } [ 51.582272][ C3] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 51.582574][ C3] ... acquired at: [ 51.582784][ C3] mark_lock+0x28d/0x3e0 [ 51.583043][ C3] mark_usage+0xd9/0x2a0 [ 51.583201][ C3] __lock_acquire+0x797/0x1570 [ 51.583359][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.583517][ C3] _raw_spin_lock+0x30/0x40 [ 51.583688][ C3] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.583918][ C3] call_timer_fn+0x13b/0x230 [ 51.584177][ C3] __run_timers+0x545/0x810 [ 51.584331][ C3] run_timer_softirq+0xe8/0x1b0 [ 51.584486][ C3] __do_softirq+0x1f8/0x5df [ 51.584641][ C3] irq_exit_rcu+0x97/0xc0 [ 51.584795][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 51.584989][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.585304][ C3] _raw_spin_unlock_irqrestore+0x43/0x70 [ 51.585608][ C3] qlist_free_all+0x4c/0x140 [ 51.585766][ C3] kasan_quarantine_reduce+0x192/0x1e0 [ 51.585926][ C3] __kasan_slab_alloc+0x49/0x70 [ 51.586186][ C3] __kmalloc+0x171/0x3c0 [ 51.586345][ C3] p9pdu_vreadf+0xb15/0x21f0 [ 51.586504][ C3] p9pdu_readf+0xa7/0xe0 [ 51.586661][ C3] p9_client_readlink+0xc1/0x120 [ 51.586919][ C3] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 51.587075][ C3] ovl_get_link+0x62/0x90 [ 51.587228][ C3] pick_link+0x8b4/0x1160 [ 51.587384][ C3] step_into+0x84e/0xfa0 [ 51.587539][ C3] open_last_lookups+0x48c/0xcd0 [ 51.587694][ C3] path_openat+0x16f/0x440 [ 51.587848][ C3] do_filp_open+0x1b3/0x3e0 [ 51.588003][ C3] do_sys_openat2+0x122/0x160 [ 51.588259][ C3] __x64_sys_openat+0x123/0x1e0 [ 51.588516][ C3] do_syscall_64+0xc6/0x1e0 [ 51.588674][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.588880][ C3] [ 51.588960][ C3] [ 51.588960][ C3] stack backtrace: [ 51.589156][ C3] CPU: 3 PID: 407 Comm: tc Not tainted 6.9.0-rc1-virtme #1 [ 51.589389][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 51.589836][ C3] Call Trace: [ 51.589952][ C3] [ 51.590032][ C3] dump_stack_lvl+0x82/0xd0 [ 51.590189][ C3] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 51.590389][ C3] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 51.590686][ C3] ? __pfx_usage_skip+0x10/0x10 [ 51.590841][ C3] ? __pfx_usage_match+0x10/0x10 [ 51.590995][ C3] ? arch_stack_walk+0xa2/0xf0 [ 51.591152][ C3] mark_lock_irq+0x4cd/0xa10 [ 51.591408][ C3] ? __pfx_mark_lock_irq+0x10/0x10 [ 51.591565][ C3] ? stack_trace_save+0x94/0xd0 [ 51.591724][ C3] ? add_chain_cache+0x248/0x8b0 [ 51.591880][ C3] ? save_trace+0x8f/0x5b0 [ 51.592038][ C3] mark_lock+0x28d/0x3e0 [ 51.592157][ C3] mark_usage+0xd9/0x2a0 [ 51.592378][ C3] __lock_acquire+0x797/0x1570 [ 51.592533][ C3] ? __lock_acquire+0xaf0/0x1570 [ 51.592689][ C3] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 51.592963][ C3] lock_acquire.part.0+0xeb/0x330 [ 51.593117][ C3] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.593346][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 51.593501][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 51.593751][ C3] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.593977][ C3] ? lock_acquire+0x32/0xc0 [ 51.594136][ C3] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.594369][ C3] _raw_spin_lock+0x30/0x40 [ 51.594525][ C3] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.594757][ C3] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 51.595087][ C3] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 51.595353][ C3] call_timer_fn+0x13b/0x230 [ 51.595508][ C3] ? call_timer_fn+0xe8/0x230 [ 51.595664][ C3] ? call_timer_fn+0xe8/0x230 [ 51.595819][ C3] ? __pfx_call_timer_fn+0x10/0x10 [ 51.596074][ C3] ? hlock_class+0x4e/0x130 [ 51.596229][ C3] ? mark_held_locks+0x9e/0xe0 [ 51.596386][ C3] __run_timers+0x545/0x810 [ 51.596542][ C3] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 51.596912][ C3] ? __pfx___run_timers+0x10/0x10 [ 51.597070][ C3] ? do_raw_spin_lock+0x131/0x270 [ 51.597230][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 51.597387][ C3] ? lock_acquire+0x32/0xc0 [ 51.597547][ C3] ? run_timer_softirq+0xe0/0x1b0 [ 51.597804][ C3] run_timer_softirq+0xe8/0x1b0 [ 51.597959][ C3] __do_softirq+0x1f8/0x5df [ 51.598113][ C3] irq_exit_rcu+0x97/0xc0 [ 51.598229][ C3] sysvec_apic_timer_interrupt+0x75/0x80 [ 51.598383][ C3] [ 51.598462][ C3] [ 51.598542][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.598734][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 51.599044][ C3] Code: 10 e8 11 39 9b fd 48 89 ef e8 49 a9 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 f5 ae 6f 68 <74> 0e 5b 5d c3 cc cc cc cc e8 3f a3 be fd eb dc 0f 1f 44 00 00 5b [ 51.599591][ C3] RSP: 0018:ffffc9000056f5b8 EFLAGS: 00000286 [ 51.599889][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff3565d55 [ 51.600126][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97941921 [ 51.600356][ C3] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff3563ca9 [ 51.600587][ C3] R10: ffffffff9ab1e54f R11: 0000000000000008 R12: ffff888008b8be08 [ 51.600825][ C3] R13: 0000000000000000 R14: ffffc9000056f608 R15: ffff888004e96008 [ 51.601061][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 51.601256][ C3] qlist_free_all+0x4c/0x140 [ 51.601413][ C3] ? p9pdu_vreadf+0xb15/0x21f0 [ 51.601568][ C3] kasan_quarantine_reduce+0x192/0x1e0 [ 51.601723][ C3] __kasan_slab_alloc+0x49/0x70 [ 51.601978][ C3] __kmalloc+0x171/0x3c0 [ 51.602098][ C3] p9pdu_vreadf+0xb15/0x21f0 [ 51.602252][ C3] ? trace_9p_client_res+0xf4/0x150 [ 51.602413][ C3] ? p9_client_rpc+0x48a/0x930 [ 51.602574][ C3] ? __pfx_p9pdu_vreadf+0x10/0x10 [ 51.602735][ C3] ? __pfx_p9_client_rpc+0x10/0x10 [ 51.602894][ C3] p9pdu_readf+0xa7/0xe0 [ 51.603014][ C3] ? __pfx_p9pdu_readf+0x10/0x10 [ 51.603270][ C3] ? __pfx_v9fs_fid_find+0x10/0x10 [ 51.603428][ C3] ? find_held_lock+0x2c/0x110 [ 51.603583][ C3] p9_client_readlink+0xc1/0x120 [ 51.603738][ C3] v9fs_vfs_get_link_dotl+0x94/0x1b0 [ 51.603894][ C3] ? __pfx_v9fs_vfs_get_link_dotl+0x10/0x10 [ 51.604088][ C3] ovl_get_link+0x62/0x90 [ 51.604205][ C3] pick_link+0x8b4/0x1160 [ 51.604321][ C3] ? __lock_release+0x103/0x460 [ 51.604475][ C3] ? __d_lookup+0x1db/0x390 [ 51.604631][ C3] step_into+0x84e/0xfa0 [ 51.604843][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 51.604997][ C3] ? __pfx_step_into+0x10/0x10 [ 51.605153][ C3] ? __d_lookup+0x1e0/0x390 [ 51.605316][ C3] open_last_lookups+0x48c/0xcd0 [ 51.605477][ C3] path_openat+0x16f/0x440 [ 51.605637][ C3] ? __pfx_path_openat+0x10/0x10 [ 51.605793][ C3] ? __lock_acquire+0xaf0/0x1570 [ 51.606051][ C3] do_filp_open+0x1b3/0x3e0 [ 51.606207][ C3] ? __pfx_do_filp_open+0x10/0x10 [ 51.606359][ C3] ? find_held_lock+0x2c/0x110 [ 51.606518][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 51.606672][ C3] ? alloc_fd+0x1f5/0x650 [ 51.606794][ C3] ? _raw_spin_unlock+0x23/0x40 [ 51.607052][ C3] ? alloc_fd+0x1f5/0x650 [ 51.607170][ C3] do_sys_openat2+0x122/0x160 [ 51.607323][ C3] ? __pfx_do_sys_openat2+0x10/0x10 [ 51.607476][ C3] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 51.607771][ C3] ? __virt_addr_valid+0x227/0x420 [ 51.607931][ C3] __x64_sys_openat+0x123/0x1e0 [ 51.608089][ C3] ? __pfx___x64_sys_openat+0x10/0x10 [ 51.608249][ C3] do_syscall_64+0xc6/0x1e0 [ 51.608407][ C3] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 51.608598][ C3] RIP: 0033:0x7efd759930e8 [ 51.608871][ C3] 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 [ 51.609415][ C3] RSP: 002b:00007ffd9e7f8f88 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 51.609651][ C3] RAX: ffffffffffffffda RBX: 00007ffd9e7f920f RCX: 00007efd759930e8 [ 51.610085][ C3] RDX: 0000000000080000 RSI: 00007ffd9e7f9000 RDI: 00000000ffffff9c [ 51.610315][ C3] RBP: 00007ffd9e7f8ff0 R08: 0000000000080000 R09: 00007ffd9e7f9000 [ 51.610545][ C3] R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffd9e7f9007 [ 51.610881][ C3] R13: 00007ffd9e7f9220 R14: 00007ffd9e7f9000 R15: 00007efd75964000 [ 51.611118][ C3] [ 63.283284][ T449] br11: port 2(veth2.11) entered disabled state [ 63.283674][ T449] br11: port 1(veth1.11) entered disabled state [ 63.381035][ T450] br10: port 2(veth2.10) entered disabled state [ 63.381552][ T450] br10: port 1(veth1.10) entered disabled state [ 63.609294][ T452] veth2.11: left allmulticast mode [ 63.609480][ T452] veth2.11: left promiscuous mode [ 63.609787][ T452] br11: port 2(veth2.11) entered disabled state [ 63.833302][ T454] veth2: left allmulticast mode [ 63.833491][ T454] veth2: left promiscuous mode [ 63.938516][ T457] veth2.10: left allmulticast mode [ 63.938710][ T457] veth2.10: left promiscuous mode [ 63.938973][ T457] br10: port 2(veth2.10) entered disabled state [ 64.464974][ T462] veth1.11: left allmulticast mode [ 64.465160][ T462] veth1.11: left promiscuous mode [ 64.465454][ T462] br11: port 1(veth1.11) entered disabled state [ 64.680678][ T464] veth1: left allmulticast mode [ 64.680853][ T464] veth1: left promiscuous mode [ 64.780394][ T465] veth1.10: left allmulticast mode [ 64.780565][ T465] veth1.10: left promiscuous mode [ 64.780823][ T465] br10: port 1(veth1.10) entered disabled state