[ 29.273472][ T289] br1: port 1(veth1) entered blocking state [ 29.273846][ T289] br1: port 1(veth1) entered disabled state [ 29.274690][ T289] veth1: entered allmulticast mode [ 29.276741][ T289] veth1: entered promiscuous mode [ 29.424276][ T51] br1: port 1(veth1) entered blocking state [ 29.424614][ T51] br1: port 1(veth1) entered forwarding state [ 29.540855][ T292] br1: port 2(veth2) entered blocking state [ 29.542044][ T292] br1: port 2(veth2) entered disabled state [ 29.542812][ T292] veth2: entered allmulticast mode [ 29.544650][ T292] veth2: entered promiscuous mode [ 29.658584][ T49] br1: port 2(veth2) entered blocking state [ 29.658833][ T49] br1: port 2(veth2) entered forwarding state [ 39.073598][ T326] GACT probability NOT on [ 44.845285][ C0] [ 44.845444][ C0] ======================================================== [ 44.845798][ C0] WARNING: possible irq lock inversion dependency detected [ 44.846162][ C0] 6.9.0-rc1-virtme #1 Not tainted [ 44.846397][ C0] -------------------------------------------------------- [ 44.846747][ C0] jq/393 just changed the state of lock: [ 44.846988][ C0] ffff888005cb2c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.847595][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 44.847945][ C0] (&p->alloc_lock){+.+.}-{2:2} [ 44.847953][ C0] [ 44.847953][ C0] [ 44.847953][ C0] and interrupts could create inverse lock ordering between them. [ 44.847953][ C0] [ 44.848946][ C0] [ 44.848946][ C0] other info that might help us debug this: [ 44.849604][ C0] Chain exists of: [ 44.849604][ C0] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 44.849604][ C0] [ 44.850150][ C0] Possible interrupt unsafe locking scenario: [ 44.850150][ C0] [ 44.850609][ C0] CPU0 CPU1 [ 44.850833][ C0] ---- ---- [ 44.851052][ C0] lock(&p->alloc_lock); [ 44.851227][ C0] local_irq_disable(); [ 44.851680][ C0] lock(&br->lock); [ 44.851981][ C0] lock(lweventlist_lock); [ 44.852262][ C0] [ 44.852434][ C0] lock(&br->lock); [ 44.852762][ C0] [ 44.852762][ C0] *** DEADLOCK *** [ 44.852762][ C0] [ 44.853093][ C0] 2 locks held by jq/393: [ 44.853272][ C0] #0: ffff88803603c6c0 (lock){+.+.}-{2:2}, at: __radix_tree_preload+0x30/0x5b0 [ 44.853845][ C0] #1: ffffc90000007b68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 44.854316][ C0] [ 44.854316][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 44.854877][ C0] -> (&p->alloc_lock){+.+.}-{2:2} { [ 44.855114][ C0] HARDIRQ-ON-W at: [ 44.855438][ C0] __lock_acquire+0x797/0x1570 [ 44.855734][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.856026][ C0] _raw_spin_lock+0x30/0x40 [ 44.856476][ C0] set_mems_allowed+0x1d/0x210 [ 44.856778][ C0] kernel_init_freeable+0x72/0x310 [ 44.857069][ C0] kernel_init+0x20/0x200 [ 44.857366][ C0] ret_from_fork+0x31/0x70 [ 44.857660][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.857973][ C0] SOFTIRQ-ON-W at: [ 44.858158][ C0] __lock_acquire+0x797/0x1570 [ 44.858449][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.858752][ C0] _raw_spin_lock+0x30/0x40 [ 44.859059][ C0] set_mems_allowed+0x1d/0x210 [ 44.859350][ C0] kernel_init_freeable+0x72/0x310 [ 44.859658][ C0] kernel_init+0x20/0x200 [ 44.859934][ C0] ret_from_fork+0x31/0x70 [ 44.860243][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.860546][ C0] INITIAL USE at: [ 44.860725][ C0] __lock_acquire+0x797/0x1570 [ 44.861020][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.861316][ C0] _raw_spin_lock+0x30/0x40 [ 44.861614][ C0] set_mems_allowed+0x1d/0x210 [ 44.861909][ C0] kernel_init_freeable+0x72/0x310 [ 44.862208][ C0] kernel_init+0x20/0x200 [ 44.862667][ C0] ret_from_fork+0x31/0x70 [ 44.862966][ C0] ret_from_fork_asm+0x1a/0x30 [ 44.863263][ C0] } [ 44.863390][ C0] ... key at: [] __key.387+0x0/0x40 [ 44.863909][ C0] ... acquired at: [ 44.864076][ C0] __lock_acquire+0xaf0/0x1570 [ 44.864302][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.864528][ C0] _raw_spin_lock+0x30/0x40 [ 44.864921][ C0] __get_task_comm+0x27/0x70 [ 44.865154][ C0] ref_tracker_alloc+0x2ee/0x490 [ 44.865384][ C0] linkwatch_fire_event+0x196/0x200 [ 44.865610][ C0] veth_newlink+0x367/0x830 [veth] [ 44.866157][ C0] rtnl_newlink_create+0x341/0x850 [ 44.866384][ C0] __rtnl_newlink+0xac9/0xd80 [ 44.866612][ C0] rtnl_newlink+0x63/0xa0 [ 44.866843][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.867236][ C0] netlink_rcv_skb+0x130/0x360 [ 44.867464][ C0] netlink_unicast+0x449/0x710 [ 44.867696][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.867934][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 44.868167][ C0] ___sys_sendmsg+0xee/0x170 [ 44.868403][ C0] __sys_sendmsg+0xcd/0x170 [ 44.868640][ C0] do_syscall_64+0xc6/0x1e0 [ 44.868879][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.869174][ C0] [ 44.869302][ C0] -> (lweventlist_lock){....}-{2:2} { [ 44.869546][ C0] INITIAL USE at: [ 44.869725][ C0] __lock_acquire+0x797/0x1570 [ 44.870027][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.870472][ C0] _raw_spin_lock_irqsave+0x3f/0x60 [ 44.870762][ C0] linkwatch_sync_dev+0x29/0x1f0 [ 44.871048][ C0] rtnl_getlink+0x4c9/0x970 [ 44.871339][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.871800][ C0] netlink_rcv_skb+0x130/0x360 [ 44.872099][ C0] netlink_unicast+0x449/0x710 [ 44.872384][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.872835][ C0] __sys_sendto+0x37d/0x410 [ 44.873131][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 44.873441][ C0] do_syscall_64+0xc6/0x1e0 [ 44.873910][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.874267][ C0] } [ 44.874384][ C0] ... key at: [] lweventlist_lock+0x18/0x60 [ 44.874737][ C0] ... acquired at: [ 44.875082][ C0] __lock_acquire+0xaf0/0x1570 [ 44.875327][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.875567][ C0] _raw_spin_lock_irqsave+0x3f/0x60 [ 44.875794][ C0] linkwatch_fire_event+0x74/0x200 [ 44.876037][ C0] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 44.876563][ C0] br_set_mac_address+0x1f3/0x260 [bridge] [ 44.876927][ C0] dev_set_mac_address+0x28a/0x410 [ 44.877166][ C0] dev_set_mac_address_user+0x31/0x50 [ 44.877397][ C0] do_setlink+0x17b4/0x21e0 [ 44.877636][ C0] rtnl_setlink+0x1f7/0x310 [ 44.877868][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.878097][ C0] netlink_rcv_skb+0x130/0x360 [ 44.878327][ C0] netlink_unicast+0x449/0x710 [ 44.878560][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.878789][ C0] __sys_sendto+0x37d/0x410 [ 44.879036][ C0] __x64_sys_sendto+0xe0/0x1c0 [ 44.879277][ C0] do_syscall_64+0xc6/0x1e0 [ 44.879679][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.879977][ C0] [ 44.880098][ C0] -> (&br->lock){+.-.}-{2:2} { [ 44.880336][ C0] HARDIRQ-ON-W at: [ 44.880513][ C0] __lock_acquire+0x797/0x1570 [ 44.880971][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.881268][ C0] _raw_spin_lock_bh+0x38/0x50 [ 44.881565][ C0] recalculate_group_addr+0x55/0x130 [bridge] [ 44.882129][ C0] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 44.882549][ C0] br_changelink+0x36c/0x1360 [bridge] [ 44.882928][ C0] br_dev_newlink+0xa5/0x100 [bridge] [ 44.883470][ C0] rtnl_newlink_create+0x341/0x850 [ 44.883760][ C0] __rtnl_newlink+0xac9/0xd80 [ 44.884051][ C0] rtnl_newlink+0x63/0xa0 [ 44.884661][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.884955][ C0] netlink_rcv_skb+0x130/0x360 [ 44.885253][ C0] netlink_unicast+0x449/0x710 [ 44.885545][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.885995][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 44.886279][ C0] ___sys_sendmsg+0xee/0x170 [ 44.886563][ C0] __sys_sendmsg+0xcd/0x170 [ 44.887008][ C0] do_syscall_64+0xc6/0x1e0 [ 44.887271][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.887608][ C0] IN-SOFTIRQ-W at: [ 44.887774][ C0] __lock_acquire+0x797/0x1570 [ 44.888210][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.888488][ C0] _raw_spin_lock+0x30/0x40 [ 44.888758][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.889354][ C0] call_timer_fn+0x13b/0x230 [ 44.889657][ C0] __run_timers+0x545/0x810 [ 44.889924][ C0] timer_expire_remote+0x9b/0xe0 [ 44.890206][ C0] tmigr_handle_remote_cpu+0x270/0x430 [ 44.890499][ C0] tmigr_handle_remote_up+0x19f/0x2e0 [ 44.890797][ C0] tmigr_handle_remote+0x21d/0x3a0 [ 44.891099][ C0] __do_softirq+0x1f8/0x5df [ 44.891440][ C0] irq_exit_rcu+0x97/0xc0 [ 44.891737][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 44.892064][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.892560][ C0] _raw_spin_unlock_irq+0x30/0x50 [ 44.892843][ C0] p9_tag_alloc+0x351/0x700 [ 44.893125][ C0] p9_client_prepare_req+0xe6/0x290 [ 44.893570][ C0] p9_client_rpc+0x18d/0x930 [ 44.893861][ C0] p9_client_getattr_dotl+0xb5/0x1a0 [ 44.894150][ C0] v9fs_vfs_getattr_dotl+0x11a/0x370 [ 44.894442][ C0] ovl_getattr+0x46f/0xdd0 [ 44.894873][ C0] vfs_fstat+0x3b/0x80 [ 44.895112][ C0] __do_sys_newfstatat+0x6b/0xc0 [ 44.895409][ C0] do_syscall_64+0xc6/0x1e0 [ 44.895871][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.896223][ C0] INITIAL USE at: [ 44.896404][ C0] __lock_acquire+0x797/0x1570 [ 44.896694][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.897161][ C0] _raw_spin_lock_bh+0x38/0x50 [ 44.897459][ C0] recalculate_group_addr+0x55/0x130 [bridge] [ 44.897883][ C0] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 44.898468][ C0] br_changelink+0x36c/0x1360 [bridge] [ 44.898841][ C0] br_dev_newlink+0xa5/0x100 [bridge] [ 44.899207][ C0] rtnl_newlink_create+0x341/0x850 [ 44.899496][ C0] __rtnl_newlink+0xac9/0xd80 [ 44.899797][ C0] rtnl_newlink+0x63/0xa0 [ 44.900105][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 44.900400][ C0] netlink_rcv_skb+0x130/0x360 [ 44.900692][ C0] netlink_unicast+0x449/0x710 [ 44.900999][ C0] netlink_sendmsg+0x723/0xbe0 [ 44.901306][ C0] ____sys_sendmsg+0x7b2/0xa10 [ 44.901773][ C0] ___sys_sendmsg+0xee/0x170 [ 44.902061][ C0] __sys_sendmsg+0xcd/0x170 [ 44.902370][ C0] do_syscall_64+0xc6/0x1e0 [ 44.902985][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.903341][ C0] } [ 44.903460][ C0] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 44.903929][ C0] ... acquired at: [ 44.904270][ C0] mark_lock+0x28d/0x3e0 [ 44.904507][ C0] mark_usage+0xd9/0x2a0 [ 44.904754][ C0] __lock_acquire+0x797/0x1570 [ 44.904985][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.905224][ C0] _raw_spin_lock+0x30/0x40 [ 44.905460][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.905823][ C0] call_timer_fn+0x13b/0x230 [ 44.906054][ C0] __run_timers+0x545/0x810 [ 44.906291][ C0] timer_expire_remote+0x9b/0xe0 [ 44.906524][ C0] tmigr_handle_remote_cpu+0x270/0x430 [ 44.906780][ C0] tmigr_handle_remote_up+0x19f/0x2e0 [ 44.907015][ C0] tmigr_handle_remote+0x21d/0x3a0 [ 44.907253][ C0] __do_softirq+0x1f8/0x5df [ 44.907649][ C0] irq_exit_rcu+0x97/0xc0 [ 44.907882][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 44.908175][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.908634][ C0] _raw_spin_unlock_irq+0x30/0x50 [ 44.908876][ C0] p9_tag_alloc+0x351/0x700 [ 44.909114][ C0] p9_client_prepare_req+0xe6/0x290 [ 44.909348][ C0] p9_client_rpc+0x18d/0x930 [ 44.909585][ C0] p9_client_getattr_dotl+0xb5/0x1a0 [ 44.909979][ C0] v9fs_vfs_getattr_dotl+0x11a/0x370 [ 44.910217][ C0] ovl_getattr+0x46f/0xdd0 [ 44.910451][ C0] vfs_fstat+0x3b/0x80 [ 44.910630][ C0] __do_sys_newfstatat+0x6b/0xc0 [ 44.911032][ C0] do_syscall_64+0xc6/0x1e0 [ 44.911272][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.911561][ C0] [ 44.911681][ C0] [ 44.911681][ C0] stack backtrace: [ 44.912127][ C0] CPU: 0 PID: 393 Comm: jq Not tainted 6.9.0-rc1-virtme #1 [ 44.912479][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 44.912999][ C0] Call Trace: [ 44.913186][ C0] [ 44.913306][ C0] dump_stack_lvl+0x82/0xd0 [ 44.913548][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 44.913826][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 44.914110][ C0] ? __pfx_usage_skip+0x10/0x10 [ 44.914335][ C0] ? __pfx_usage_match+0x10/0x10 [ 44.914566][ C0] ? arch_stack_walk+0xa2/0xf0 [ 44.914809][ C0] mark_lock_irq+0x4cd/0xa10 [ 44.915054][ C0] ? __pfx_mark_lock_irq+0x10/0x10 [ 44.915452][ C0] ? stack_trace_save+0x94/0xd0 [ 44.915680][ C0] ? add_chain_cache+0x248/0x8b0 [ 44.915910][ C0] ? save_trace+0x8f/0x5b0 [ 44.916140][ C0] mark_lock+0x28d/0x3e0 [ 44.916312][ C0] mark_usage+0xd9/0x2a0 [ 44.916483][ C0] __lock_acquire+0x797/0x1570 [ 44.916712][ C0] ? __lock_acquire+0xaf0/0x1570 [ 44.916947][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 44.917356][ C0] lock_acquire.part.0+0xeb/0x330 [ 44.917584][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.917927][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 44.918153][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 44.918533][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.918879][ C0] ? lock_acquire+0x32/0xc0 [ 44.919103][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.919444][ C0] _raw_spin_lock+0x30/0x40 [ 44.919823][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.920166][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 44.920514][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 44.921254][ C0] call_timer_fn+0x13b/0x230 [ 44.921490][ C0] ? call_timer_fn+0xe8/0x230 [ 44.921722][ C0] ? call_timer_fn+0xe8/0x230 [ 44.921969][ C0] ? __pfx_call_timer_fn+0x10/0x10 [ 44.922201][ C0] ? hlock_class+0x4e/0x130 [ 44.922444][ C0] ? mark_held_locks+0x9e/0xe0 [ 44.922687][ C0] __run_timers+0x545/0x810 [ 44.922925][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 44.923353][ C0] ? __pfx___run_timers+0x10/0x10 [ 44.923582][ C0] ? __lock_release+0x103/0x460 [ 44.923817][ C0] ? do_raw_spin_lock+0x131/0x270 [ 44.924062][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 44.924451][ C0] ? lock_acquire+0x32/0xc0 [ 44.924686][ C0] ? timer_expire_remote+0x93/0xe0 [ 44.924923][ C0] timer_expire_remote+0x9b/0xe0 [ 44.925162][ C0] tmigr_handle_remote_cpu+0x270/0x430 [ 44.925392][ C0] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 44.925848][ C0] ? hlock_class+0x4e/0x130 [ 44.926082][ C0] ? mark_lock+0x38/0x3e0 [ 44.926269][ C0] ? mark_held_locks+0x9e/0xe0 [ 44.926499][ C0] tmigr_handle_remote_up+0x19f/0x2e0 [ 44.926878][ C0] tmigr_handle_remote+0x21d/0x3a0 [ 44.927027][ C0] ? do_raw_spin_lock+0x131/0x270 [ 44.927173][ C0] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 44.927321][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 44.927594][ C0] __do_softirq+0x1f8/0x5df [ 44.927742][ C0] irq_exit_rcu+0x97/0xc0 [ 44.927858][ C0] sysvec_apic_timer_interrupt+0x75/0x80 [ 44.928004][ C0] [ 44.928081][ C0] [ 44.928245][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 44.928428][ C0] RIP: 0010:_raw_spin_unlock_irq+0x30/0x50 [ 44.928618][ C0] Code: 44 00 00 55 48 8b 74 24 08 48 89 fd 48 83 c7 18 e8 75 39 9b fd 48 89 ef e8 ad a9 9b fd e8 c8 a3 be fd fb 65 ff 0d 68 af af 49 <74> 06 5d c3 cc cc cc cc 0f 1f 44 00 00 5d c3 cc cc cc cc 66 66 2e [ 44.929236][ C0] RSP: 0018:ffffc900006cf878 EFLAGS: 00000282 [ 44.929434][ C0] RAX: 0000000000008a57 RBX: 1ffff920000d9f14 RCX: 1ffffffff72e4856 [ 44.929751][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb6541898 [ 44.929971][ C0] RBP: ffff888005b5a000 R08: 0000000000000001 R09: fffffbfff72e3ca5 [ 44.930191][ C0] R10: ffffffffb971e52f R11: ffffc900006cf3c1 R12: ffff8880063f6e80 [ 44.930511][ C0] R13: 0000000000000000 R14: ffff8880063f6e78 R15: 0000000000000000 [ 44.930734][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 44.930882][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 44.931029][ C0] p9_tag_alloc+0x351/0x700 [ 44.931276][ C0] ? __pfx_p9_tag_alloc+0x10/0x10 [ 44.931422][ C0] ? __pfx_stack_trace_save+0x10/0x10 [ 44.931570][ C0] ? stack_depot_save_flags+0x45/0x530 [ 44.931719][ C0] ? hlock_class+0x4e/0x130 [ 44.931865][ C0] p9_client_prepare_req+0xe6/0x290 [ 44.932012][ C0] ? kasan_save_track+0x14/0x30 [ 44.932199][ C0] ? __kasan_kmalloc+0x7f/0x90 [ 44.932356][ C0] ? __pfx_p9_client_prepare_req+0x10/0x10 [ 44.932555][ C0] ? vfs_fstat+0x3b/0x80 [ 44.932680][ C0] p9_client_rpc+0x18d/0x930 [ 44.932841][ C0] ? __lock_release+0x103/0x460 [ 44.933005][ C0] ? __pfx___lock_release+0x10/0x10 [ 44.933254][ C0] ? __pfx_p9_client_rpc+0x10/0x10 [ 44.933415][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 44.933576][ C0] ? __create_object+0x5e/0xb0 [ 44.933737][ C0] ? trace_kmalloc+0x2a/0xe0 [ 44.933899][ C0] p9_client_getattr_dotl+0xb5/0x1a0 [ 44.934147][ C0] v9fs_vfs_getattr_dotl+0x11a/0x370 [ 44.934309][ C0] ovl_getattr+0x46f/0xdd0 [ 44.934473][ C0] ? __pfx_ovl_getattr+0x10/0x10 [ 44.934638][ C0] ? find_held_lock+0x2c/0x110 [ 44.934973][ C0] ? __lock_release+0x103/0x460 [ 44.935131][ C0] ? __might_fault+0x11b/0x170 [ 44.935288][ C0] ? __pfx___lock_release+0x10/0x10 [ 44.935447][ C0] ? trace_lock_acquire+0x135/0x1c0 [ 44.935691][ C0] ? __might_fault+0xc3/0x170 [ 44.935848][ C0] ? lock_acquire+0x32/0xc0 [ 44.936005][ C0] ? __might_fault+0xc3/0x170 [ 44.936162][ C0] ? vfs_getattr_nosec+0x77/0x340 [ 44.936409][ C0] vfs_fstat+0x3b/0x80 [ 44.936529][ C0] __do_sys_newfstatat+0x6b/0xc0 [ 44.936686][ C0] ? __pfx___do_sys_newfstatat+0x10/0x10 [ 44.936863][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 44.937059][ C0] do_syscall_64+0xc6/0x1e0 [ 44.937313][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 44.937513][ C0] RIP: 0033:0x7fc6b69e7eae [ 44.937675][ C0] Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 07 00 00 00 0f 1f 80 00 00 00 00 f3 0f 1e fa 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 0b 31 c0 c3 0f 1f 84 00 00 00 00 00 f7 d8 89 05 [ 44.938226][ C0] RSP: 002b:00007ffd43d0ab58 EFLAGS: 00000206 ORIG_RAX: 0000000000000106 [ 44.938465][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc6b69e7eae [ 44.938705][ C0] RDX: 00007ffd43d0abf0 RSI: 00007fc6b69ebcfb RDI: 0000000000000005 [ 44.938936][ C0] RBP: 00007ffd43d0acb0 R08: 00007fc6b69ba850 R09: 00007fc6b69b9940 [ 44.939170][ C0] R10: 0000000000001000 R11: 0000000000000206 R12: 00007fc6b69b9940 [ 44.939492][ C0] R13: 00007ffd43d0ad50 R14: 00007fc6b69f6000 R15: 00007ffd43d0ad50 [ 44.939728][ C0] [ 48.851002][ T447] br1: port 2(veth2) entered disabled state [ 48.948506][ T448] veth2: left allmulticast mode [ 48.948725][ T448] veth2: left promiscuous mode [ 48.948983][ T448] br1: port 2(veth2) entered disabled state [ 49.045705][ T449] br1: port 1(veth1) entered disabled state [ 49.146968][ T450] veth1: left allmulticast mode [ 49.147763][ T450] veth1: left promiscuous mode [ 49.148088][ T450] br1: port 1(veth1) entered disabled state