[ 28.220833][ T285] br0: port 1(veth1) entered blocking state
[ 28.221252][ T285] br0: port 1(veth1) entered disabled state
[ 28.221599][ T285] veth1: entered allmulticast mode
[ 28.223579][ T285] veth1: entered promiscuous mode
[ 28.375183][ T287] br0: port 2(veth2) entered blocking state
[ 28.375483][ T287] br0: port 2(veth2) entered disabled state
[ 28.376619][ T287] veth2: entered allmulticast mode
[ 28.378534][ T287] veth2: entered promiscuous mode
[ 28.627888][ T51] br0: port 1(veth1) entered blocking state
[ 28.628211][ T51] br0: port 1(veth1) entered forwarding state
[ 28.749974][ T51] br0: port 2(veth2) entered blocking state
[ 28.750211][ T51] br0: port 2(veth2) entered forwarding state
[ 37.684853][ T317] veth0: entered promiscuous mode
[ 38.259114][ T323] GACT probability NOT on
[ 43.823056][ C1]
[ 43.823279][ C1] ========================================================
[ 43.823606][ C1] WARNING: possible irq lock inversion dependency detected
[ 43.823918][ C1] 6.9.0-rc1-virtme #1 Not tainted
[ 43.824127][ C1] --------------------------------------------------------
[ 43.824431][ C1] swapper/1/0 just changed the state of lock:
[ 43.824683][ C1] ffff888005632c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.825209][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past:
[ 43.825516][ C1] (&p->alloc_lock){+.+.}-{2:2}
[ 43.825524][ C1]
[ 43.825524][ C1]
[ 43.825524][ C1] and interrupts could create inverse lock ordering between them.
[ 43.825524][ C1]
[ 43.826303][ C1]
[ 43.826303][ C1] other info that might help us debug this:
[ 43.826599][ C1] Chain exists of:
[ 43.826599][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock
[ 43.826599][ C1]
[ 43.827056][ C1] Possible interrupt unsafe locking scenario:
[ 43.827056][ C1]
[ 43.827385][ C1] CPU0 CPU1
[ 43.827541][ C1] ---- ----
[ 43.827689][ C1] lock(&p->alloc_lock);
[ 43.827805][ C1] local_irq_disable();
[ 43.827985][ C1] lock(&br->lock);
[ 43.828166][ C1] lock(lweventlist_lock);
[ 43.828346][ C1] <Interrupt>
[ 43.828459][ C1] lock(&br->lock);
[ 43.828576][ C1]
[ 43.828576][ C1] *** DEADLOCK ***
[ 43.828576][ C1]
[ 43.828787][ C1] 1 lock held by swapper/1/0:
[ 43.828934][ C1] #0: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 43.829236][ C1]
[ 43.829236][ C1] the shortest dependencies between 2nd lock and 1st lock:
[ 43.829488][ C1] -> (&p->alloc_lock){+.+.}-{2:2} {
[ 43.829644][ C1] HARDIRQ-ON-W at:
[ 43.829759][ C1] __lock_acquire+0x797/0x1570
[ 43.829949][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.830132][ C1] _raw_spin_lock+0x30/0x40
[ 43.830319][ C1] set_mems_allowed+0x1d/0x210
[ 43.830504][ C1] kernel_init_freeable+0x72/0x310
[ 43.830696][ C1] kernel_init+0x20/0x200
[ 43.830882][ C1] ret_from_fork+0x31/0x70
[ 43.831065][ C1] ret_from_fork_asm+0x1a/0x30
[ 43.831248][ C1] SOFTIRQ-ON-W at:
[ 43.831358][ C1] __lock_acquire+0x797/0x1570
[ 43.831541][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.831728][ C1] _raw_spin_lock+0x30/0x40
[ 43.831914][ C1] set_mems_allowed+0x1d/0x210
[ 43.832099][ C1] kernel_init_freeable+0x72/0x310
[ 43.832284][ C1] kernel_init+0x20/0x200
[ 43.832467][ C1] ret_from_fork+0x31/0x70
[ 43.832649][ C1] ret_from_fork_asm+0x1a/0x30
[ 43.832833][ C1] INITIAL USE at:
[ 43.832946][ C1] __lock_acquire+0x797/0x1570
[ 43.833130][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.833313][ C1] _raw_spin_lock+0x30/0x40
[ 43.833497][ C1] set_mems_allowed+0x1d/0x210
[ 43.833678][ C1] kernel_init_freeable+0x72/0x310
[ 43.833862][ C1] kernel_init+0x20/0x200
[ 43.834054][ C1] ret_from_fork+0x31/0x70
[ 43.834239][ C1] ret_from_fork_asm+0x1a/0x30
[ 43.834419][ C1] }
[ 43.834495][ C1] ... key at: [<ffffffffb71ffd20>] __key.387+0x0/0x40
[ 43.834717][ C1] ... acquired at:
[ 43.834826][ C1] __lock_acquire+0xaf0/0x1570
[ 43.834973][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.835117][ C1] _raw_spin_lock+0x30/0x40
[ 43.835264][ C1] __get_task_comm+0x27/0x70
[ 43.835410][ C1] ref_tracker_alloc+0x2ee/0x490
[ 43.835557][ C1] linkwatch_fire_event+0x196/0x200
[ 43.835702][ C1] veth_newlink+0x367/0x830 [veth]
[ 43.835857][ C1] rtnl_newlink_create+0x341/0x850
[ 43.836003][ C1] __rtnl_newlink+0xac9/0xd80
[ 43.836147][ C1] rtnl_newlink+0x63/0xa0
[ 43.836291][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 43.836440][ C1] netlink_rcv_skb+0x130/0x360
[ 43.836586][ C1] netlink_unicast+0x449/0x710
[ 43.836728][ C1] netlink_sendmsg+0x723/0xbe0
[ 43.836871][ C1] ____sys_sendmsg+0x7b2/0xa10
[ 43.837018][ C1] ___sys_sendmsg+0xee/0x170
[ 43.837162][ C1] __sys_sendmsg+0xcd/0x170
[ 43.837321][ C1] do_syscall_64+0xc6/0x1e0
[ 43.837465][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 43.837652][ C1]
[ 43.837726][ C1] -> (lweventlist_lock){....}-{2:2} {
[ 43.837878][ C1] INITIAL USE at:
[ 43.837987][ C1] __lock_acquire+0x797/0x1570
[ 43.838169][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.838354][ C1] _raw_spin_lock_irqsave+0x3f/0x60
[ 43.838538][ C1] linkwatch_sync_dev+0x29/0x1f0
[ 43.838723][ C1] rtnl_getlink+0x4c9/0x970
[ 43.838905][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 43.839088][ C1] netlink_rcv_skb+0x130/0x360
[ 43.839268][ C1] netlink_unicast+0x449/0x710
[ 43.839446][ C1] netlink_sendmsg+0x723/0xbe0
[ 43.839627][ C1] __sys_sendto+0x37d/0x410
[ 43.839817][ C1] __x64_sys_sendto+0xe0/0x1c0
[ 43.840010][ C1] do_syscall_64+0xc6/0x1e0
[ 43.840189][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 43.840416][ C1] }
[ 43.840489][ C1] ... key at: [<ffffffffb619a738>] lweventlist_lock+0x18/0x60
[ 43.840703][ C1] ... acquired at:
[ 43.840811][ C1] __lock_acquire+0xaf0/0x1570
[ 43.840963][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.841109][ C1] _raw_spin_lock_irqsave+0x3f/0x60
[ 43.841253][ C1] linkwatch_fire_event+0x74/0x200
[ 43.841398][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge]
[ 43.841621][ C1] br_set_mac_address+0x1f3/0x260 [bridge]
[ 43.841834][ C1] dev_set_mac_address+0x28a/0x410
[ 43.841982][ C1] dev_set_mac_address_user+0x31/0x50
[ 43.842130][ C1] do_setlink+0x17b4/0x21e0
[ 43.842275][ C1] rtnl_setlink+0x1f7/0x310
[ 43.842421][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 43.842565][ C1] netlink_rcv_skb+0x130/0x360
[ 43.842709][ C1] netlink_unicast+0x449/0x710
[ 43.842854][ C1] netlink_sendmsg+0x723/0xbe0
[ 43.843001][ C1] __sys_sendto+0x37d/0x410
[ 43.843144][ C1] __x64_sys_sendto+0xe0/0x1c0
[ 43.843288][ C1] do_syscall_64+0xc6/0x1e0
[ 43.843439][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 43.843619][ C1]
[ 43.843693][ C1] -> (&br->lock){+.-.}-{2:2} {
[ 43.843840][ C1] HARDIRQ-ON-W at:
[ 43.843948][ C1] __lock_acquire+0x797/0x1570
[ 43.844133][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.844313][ C1] _raw_spin_lock_bh+0x38/0x50
[ 43.844496][ C1] br_set_ageing_time+0x2d/0xf0 [bridge]
[ 43.844753][ C1] br_changelink+0x231/0x1360 [bridge]
[ 43.844974][ C1] br_dev_newlink+0xa5/0x100 [bridge]
[ 43.845192][ C1] rtnl_newlink_create+0x341/0x850
[ 43.845374][ C1] __rtnl_newlink+0xac9/0xd80
[ 43.845558][ C1] rtnl_newlink+0x63/0xa0
[ 43.845737][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 43.845926][ C1] netlink_rcv_skb+0x130/0x360
[ 43.846110][ C1] netlink_unicast+0x449/0x710
[ 43.846292][ C1] netlink_sendmsg+0x723/0xbe0
[ 43.846474][ C1] ____sys_sendmsg+0x7b2/0xa10
[ 43.846656][ C1] ___sys_sendmsg+0xee/0x170
[ 43.846840][ C1] __sys_sendmsg+0xcd/0x170
[ 43.847024][ C1] do_syscall_64+0xc6/0x1e0
[ 43.847205][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 43.847426][ C1] IN-SOFTIRQ-W at:
[ 43.847526][ C1] __lock_acquire+0x797/0x1570
[ 43.847699][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.847871][ C1] _raw_spin_lock+0x30/0x40
[ 43.848052][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.848310][ C1] call_timer_fn+0x13b/0x230
[ 43.848496][ C1] __run_timers+0x545/0x810
[ 43.848669][ C1] run_timer_softirq+0xe8/0x1b0
[ 43.848836][ C1] __do_softirq+0x1f8/0x5df
[ 43.849010][ C1] irq_exit_rcu+0x97/0xc0
[ 43.849180][ C1] sysvec_apic_timer_interrupt+0x75/0x80
[ 43.849384][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 43.849584][ C1] default_idle+0xf/0x20
[ 43.849755][ C1] default_idle_call+0x6d/0xb0
[ 43.849921][ C1] cpuidle_idle_call+0x1f4/0x280
[ 43.850096][ C1] do_idle+0xf9/0x160
[ 43.850230][ C1] cpu_startup_entry+0x54/0x60
[ 43.850401][ C1] start_secondary+0x21c/0x2b0
[ 43.850574][ C1] common_startup_64+0x12c/0x138
[ 43.850746][ C1] INITIAL USE at:
[ 43.850846][ C1] __lock_acquire+0x797/0x1570
[ 43.851023][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.851190][ C1] _raw_spin_lock_bh+0x38/0x50
[ 43.851358][ C1] br_set_ageing_time+0x2d/0xf0 [bridge]
[ 43.851601][ C1] br_changelink+0x231/0x1360 [bridge]
[ 43.851811][ C1] br_dev_newlink+0xa5/0x100 [bridge]
[ 43.852019][ C1] rtnl_newlink_create+0x341/0x850
[ 43.852192][ C1] __rtnl_newlink+0xac9/0xd80
[ 43.852360][ C1] rtnl_newlink+0x63/0xa0
[ 43.852527][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 43.852697][ C1] netlink_rcv_skb+0x130/0x360
[ 43.852870][ C1] netlink_unicast+0x449/0x710
[ 43.853045][ C1] netlink_sendmsg+0x723/0xbe0
[ 43.853217][ C1] ____sys_sendmsg+0x7b2/0xa10
[ 43.853389][ C1] ___sys_sendmsg+0xee/0x170
[ 43.853557][ C1] __sys_sendmsg+0xcd/0x170
[ 43.853727][ C1] do_syscall_64+0xc6/0x1e0
[ 43.853902][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 43.854120][ C1] }
[ 43.854194][ C1] ... key at: [<ffffffffc0567540>] __key.6+0x0/0xfffffffffffe5ac0 [bridge]
[ 43.854483][ C1] ... acquired at:
[ 43.854586][ C1] mark_lock+0x28d/0x3e0
[ 43.854801][ C1] mark_usage+0xd9/0x2a0
[ 43.854937][ C1] __lock_acquire+0x797/0x1570
[ 43.855082][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.855222][ C1] _raw_spin_lock+0x30/0x40
[ 43.855435][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.855637][ C1] call_timer_fn+0x13b/0x230
[ 43.855772][ C1] __run_timers+0x545/0x810
[ 43.855906][ C1] run_timer_softirq+0xe8/0x1b0
[ 43.856119][ C1] __do_softirq+0x1f8/0x5df
[ 43.856256][ C1] irq_exit_rcu+0x97/0xc0
[ 43.856389][ C1] sysvec_apic_timer_interrupt+0x75/0x80
[ 43.856557][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 43.856800][ C1] default_idle+0xf/0x20
[ 43.856936][ C1] default_idle_call+0x6d/0xb0
[ 43.857074][ C1] cpuidle_idle_call+0x1f4/0x280
[ 43.857208][ C1] do_idle+0xf9/0x160
[ 43.857397][ C1] cpu_startup_entry+0x54/0x60
[ 43.857531][ C1] start_secondary+0x21c/0x2b0
[ 43.857663][ C1] common_startup_64+0x12c/0x138
[ 43.857797][ C1]
[ 43.857869][ C1]
[ 43.857869][ C1] stack backtrace:
[ 43.858118][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc1-virtme #1
[ 43.858317][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 43.858613][ C1] Call Trace:
[ 43.858715][ C1] <IRQ>
[ 43.858788][ C1] dump_stack_lvl+0x82/0xd0
[ 43.858925][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570
[ 43.859101][ C1] ? common_startup_64+0x12c/0x138
[ 43.859388][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10
[ 43.859555][ C1] ? __pfx_usage_skip+0x10/0x10
[ 43.859697][ C1] ? __pfx_usage_match+0x10/0x10
[ 43.859832][ C1] ? arch_stack_walk+0x8c/0xf0
[ 43.860042][ C1] mark_lock_irq+0x4cd/0xa10
[ 43.860176][ C1] ? __pfx_mark_lock_irq+0x10/0x10
[ 43.860312][ C1] ? stack_trace_save+0x94/0xd0
[ 43.860455][ C1] ? add_chain_cache+0x248/0x8b0
[ 43.860666][ C1] ? save_trace+0x8f/0x5b0
[ 43.860800][ C1] mark_lock+0x28d/0x3e0
[ 43.860902][ C1] mark_usage+0xd9/0x2a0
[ 43.861007][ C1] __lock_acquire+0x797/0x1570
[ 43.861142][ C1] ? __lock_acquire+0xaf0/0x1570
[ 43.861352][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 43.861586][ C1] lock_acquire.part.0+0xeb/0x330
[ 43.861723][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.862003][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 43.862137][ C1] ? trace_lock_acquire+0x135/0x1c0
[ 43.862270][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.862470][ C1] ? lock_acquire+0x32/0xc0
[ 43.862679][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.862882][ C1] _raw_spin_lock+0x30/0x40
[ 43.863021][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.863223][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 43.863506][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 43.863741][ C1] call_timer_fn+0x13b/0x230
[ 43.863873][ C1] ? call_timer_fn+0xe8/0x230
[ 43.864014][ C1] ? call_timer_fn+0xe8/0x230
[ 43.864225][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 43.864365][ C1] ? mark_lock+0x38/0x3e0
[ 43.864471][ C1] __run_timers+0x545/0x810
[ 43.864605][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 43.864919][ C1] ? __pfx___run_timers+0x10/0x10
[ 43.865059][ C1] ? do_raw_spin_lock+0x131/0x270
[ 43.865195][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 43.865327][ C1] ? lock_acquire+0x32/0xc0
[ 43.865538][ C1] ? run_timer_softirq+0xe0/0x1b0
[ 43.865676][ C1] run_timer_softirq+0xe8/0x1b0
[ 43.865810][ C1] __do_softirq+0x1f8/0x5df
[ 43.865944][ C1] irq_exit_rcu+0x97/0xc0
[ 43.866122][ C1] sysvec_apic_timer_interrupt+0x75/0x80
[ 43.866254][ C1] </IRQ>
[ 43.866322][ C1] <TASK>
[ 43.866390][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 43.866554][ C1] RIP: 0010:default_idle+0xf/0x20
[ 43.866773][ C1] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 30 35 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 43.867251][ C1] RSP: 0018:ffffc9000014fdf8 EFLAGS: 00000242
[ 43.867514][ C1] RAX: 0000000000087d57 RBX: 1ffff92000029fc1 RCX: ffffffffb470e9d5
[ 43.867713][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb20aa4a4
[ 43.867913][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1709c
[ 43.868197][ C1] R10: ffff8880360b84e3 R11: ffff8880360ad9b0 R12: 0000000000000000
[ 43.868395][ C1] R13: ffff888001b7a300 R14: dffffc0000000000 R15: 0000000000000000
[ 43.868595][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 43.868804][ C1] ? cpuidle_idle_call+0x1f4/0x280
[ 43.868938][ C1] default_idle_call+0x6d/0xb0
[ 43.869074][ C1] cpuidle_idle_call+0x1f4/0x280
[ 43.869212][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 43.869419][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 43.869555][ C1] do_idle+0xf9/0x160
[ 43.869655][ C1] cpu_startup_entry+0x54/0x60
[ 43.869790][ C1] start_secondary+0x21c/0x2b0
[ 43.869923][ C1] ? __pfx_start_secondary+0x10/0x10
[ 43.870217][ C1] common_startup_64+0x12c/0x138
[ 43.870353][ C1] </TASK>
[ 64.719708][ T351] veth0: left promiscuous mode
[ 64.999888][ T355] veth3: entered promiscuous mode
[ 66.787260][ T364] veth3: left promiscuous mode
[ 66.979140][ T366] veth3: entered promiscuous mode
[ 68.809429][ T375] veth3: left promiscuous mode
[ 69.010243][ T378] veth3: entered promiscuous mode
[ 70.885851][ T387] veth3: left promiscuous mode
[ 71.074728][ T389] veth3: entered promiscuous mode
[ 72.938779][ T398] veth3: left promiscuous mode
[ 96.614169][ T428] br0: port 2(veth2) entered disabled state
[ 96.720491][ T429] br0: port 1(veth1) entered disabled state
[ 96.817191][ T430] veth2: left allmulticast mode
[ 96.817366][ T430] veth2: left promiscuous mode
[ 96.817626][ T430] br0: port 2(veth2) entered disabled state
[ 96.818577][ T430] veth1: left allmulticast mode
[ 96.818719][ T430] veth1: left promiscuous mode
[ 96.818969][ T430] br0: port 1(veth1) entered disabled state