[ 26.282457][ T245] ip (245) used greatest stack depth: 24496 bytes left
[ 29.926301][ T284] br1: port 1(veth1) entered blocking state
[ 29.926701][ T284] br1: port 1(veth1) entered disabled state
[ 29.927242][ T284] veth1: entered allmulticast mode
[ 29.930563][ T284] veth1: entered promiscuous mode
[ 30.055031][ T7] br1: port 1(veth1) entered blocking state
[ 30.055491][ T7] br1: port 1(veth1) entered forwarding state
[ 30.167669][ T287] br1: port 2(veth2) entered blocking state
[ 30.167919][ T287] br1: port 2(veth2) entered disabled state
[ 30.169011][ T287] veth2: entered allmulticast mode
[ 30.171036][ T287] veth2: entered promiscuous mode
[ 30.322474][ T51] br1: port 2(veth2) entered blocking state
[ 30.322733][ T51] br1: port 2(veth2) entered forwarding state
[ 36.920701][ T306] GACT probability NOT on
[ 45.360129][ C0]
[ 45.360361][ C0] ========================================================
[ 45.360734][ C0] WARNING: possible irq lock inversion dependency detected
[ 45.361099][ C0] 6.9.0-rc1-virtme #1 Not tainted
[ 45.361353][ C0] --------------------------------------------------------
[ 45.361715][ C0] swapper/0/0 just changed the state of lock:
[ 45.362002][ C0] ffff888005f92c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.362606][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past:
[ 45.362968][ C0] (&p->alloc_lock){+.+.}-{2:2}
[ 45.362976][ C0]
[ 45.362976][ C0]
[ 45.362976][ C0] and interrupts could create inverse lock ordering between them.
[ 45.362976][ C0]
[ 45.363852][ C0]
[ 45.363852][ C0] other info that might help us debug this:
[ 45.364205][ C0] Chain exists of:
[ 45.364205][ C0] &br->lock --> lweventlist_lock --> &p->alloc_lock
[ 45.364205][ C0]
[ 45.364740][ C0] Possible interrupt unsafe locking scenario:
[ 45.364740][ C0]
[ 45.365086][ C0] CPU0 CPU1
[ 45.365326][ C0] ---- ----
[ 45.365566][ C0] lock(&p->alloc_lock);
[ 45.365751][ C0] local_irq_disable();
[ 45.366050][ C0] lock(&br->lock);
[ 45.366361][ C0] lock(lweventlist_lock);
[ 45.366668][ C0] <Interrupt>
[ 45.366834][ C0] lock(&br->lock);
[ 45.366999][ C0]
[ 45.366999][ C0] *** DEADLOCK ***
[ 45.366999][ C0]
[ 45.367332][ C0] 1 lock held by swapper/0/0:
[ 45.367563][ C0] #0: ffffc90000007d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 45.368057][ C0]
[ 45.368057][ C0] the shortest dependencies between 2nd lock and 1st lock:
[ 45.368474][ C0] -> (&p->alloc_lock){+.+.}-{2:2} {
[ 45.368738][ C0] HARDIRQ-ON-W at:
[ 45.368926][ C0] __lock_acquire+0x797/0x1570
[ 45.369258][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.369564][ C0] _raw_spin_lock+0x30/0x40
[ 45.369866][ C0] set_mems_allowed+0x1d/0x210
[ 45.370175][ C0] kernel_init_freeable+0x72/0x310
[ 45.370487][ C0] kernel_init+0x20/0x200
[ 45.370806][ C0] ret_from_fork+0x31/0x70
[ 45.371111][ C0] ret_from_fork_asm+0x1a/0x30
[ 45.371412][ C0] SOFTIRQ-ON-W at:
[ 45.371593][ C0] __lock_acquire+0x797/0x1570
[ 45.371888][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.372157][ C0] _raw_spin_lock+0x30/0x40
[ 45.372343][ C0] set_mems_allowed+0x1d/0x210
[ 45.372530][ C0] kernel_init_freeable+0x72/0x310
[ 45.372715][ C0] kernel_init+0x20/0x200
[ 45.372912][ C0] ret_from_fork+0x31/0x70
[ 45.373103][ C0] ret_from_fork_asm+0x1a/0x30
[ 45.373287][ C0] INITIAL USE at:
[ 45.373397][ C0] __lock_acquire+0x797/0x1570
[ 45.373591][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.373782][ C0] _raw_spin_lock+0x30/0x40
[ 45.373970][ C0] set_mems_allowed+0x1d/0x210
[ 45.374152][ C0] kernel_init_freeable+0x72/0x310
[ 45.374337][ C0] kernel_init+0x20/0x200
[ 45.374522][ C0] ret_from_fork+0x31/0x70
[ 45.374713][ C0] ret_from_fork_asm+0x1a/0x30
[ 45.374983][ C0] }
[ 45.375106][ C0] ... key at: [<ffffffff967ffd20>] __key.387+0x0/0x40
[ 45.375468][ C0] ... acquired at:
[ 45.375644][ C0] __lock_acquire+0xaf0/0x1570
[ 45.375886][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.376127][ C0] _raw_spin_lock+0x30/0x40
[ 45.376277][ C0] __get_task_comm+0x27/0x70
[ 45.376434][ C0] ref_tracker_alloc+0x2ee/0x490
[ 45.376582][ C0] linkwatch_fire_event+0x196/0x200
[ 45.376733][ C0] veth_newlink+0x367/0x830 [veth]
[ 45.376897][ C0] rtnl_newlink_create+0x341/0x850
[ 45.377045][ C0] __rtnl_newlink+0xac9/0xd80
[ 45.377190][ C0] rtnl_newlink+0x63/0xa0
[ 45.377342][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 45.377486][ C0] netlink_rcv_skb+0x130/0x360
[ 45.377643][ C0] netlink_unicast+0x449/0x710
[ 45.377799][ C0] netlink_sendmsg+0x723/0xbe0
[ 45.377950][ C0] ____sys_sendmsg+0x7b2/0xa10
[ 45.378101][ C0] ___sys_sendmsg+0xee/0x170
[ 45.378257][ C0] __sys_sendmsg+0xcd/0x170
[ 45.378406][ C0] do_syscall_64+0xc6/0x1e0
[ 45.378556][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 45.378776][ C0]
[ 45.378856][ C0] -> (lweventlist_lock){....}-{2:2} {
[ 45.379012][ C0] INITIAL USE at:
[ 45.379124][ C0] __lock_acquire+0x797/0x1570
[ 45.379315][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.379500][ C0] _raw_spin_lock_irqsave+0x3f/0x60
[ 45.379686][ C0] linkwatch_sync_dev+0x29/0x1f0
[ 45.379878][ C0] rtnl_getlink+0x4c9/0x970
[ 45.380071][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 45.380256][ C0] netlink_rcv_skb+0x130/0x360
[ 45.380439][ C0] netlink_unicast+0x449/0x710
[ 45.380625][ C0] netlink_sendmsg+0x723/0xbe0
[ 45.380838][ C0] __sys_sendto+0x37d/0x410
[ 45.381134][ C0] __x64_sys_sendto+0xe0/0x1c0
[ 45.381326][ C0] do_syscall_64+0xc6/0x1e0
[ 45.381513][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 45.381735][ C0] }
[ 45.381818][ C0] ... key at: [<ffffffff9579a738>] lweventlist_lock+0x18/0x60
[ 45.382040][ C0] ... acquired at:
[ 45.382149][ C0] __lock_acquire+0xaf0/0x1570
[ 45.382300][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.382453][ C0] _raw_spin_lock_irqsave+0x3f/0x60
[ 45.382603][ C0] linkwatch_fire_event+0x74/0x200
[ 45.382750][ C0] br_stp_change_bridge_id+0x25f/0x360 [bridge]
[ 45.382984][ C0] br_set_mac_address+0x1f3/0x260 [bridge]
[ 45.383197][ C0] dev_set_mac_address+0x28a/0x410
[ 45.383346][ C0] dev_set_mac_address_user+0x31/0x50
[ 45.383492][ C0] do_setlink+0x17b4/0x21e0
[ 45.383643][ C0] rtnl_setlink+0x1f7/0x310
[ 45.383796][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 45.383945][ C0] netlink_rcv_skb+0x130/0x360
[ 45.384092][ C0] netlink_unicast+0x449/0x710
[ 45.384239][ C0] netlink_sendmsg+0x723/0xbe0
[ 45.384385][ C0] __sys_sendto+0x37d/0x410
[ 45.384530][ C0] __x64_sys_sendto+0xe0/0x1c0
[ 45.384679][ C0] do_syscall_64+0xc6/0x1e0
[ 45.384856][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 45.385050][ C0]
[ 45.385125][ C0] -> (&br->lock){+.-.}-{2:2} {
[ 45.385278][ C0] HARDIRQ-ON-W at:
[ 45.385390][ C0] __lock_acquire+0x797/0x1570
[ 45.385575][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.385758][ C0] _raw_spin_lock_bh+0x38/0x50
[ 45.385957][ C0] br_stp_enable_bridge+0x1f/0x2f0 [bridge]
[ 45.386364][ C0] br_dev_open+0xa2/0x120 [bridge]
[ 45.386716][ C0] __dev_open+0x221/0x430
[ 45.386983][ C0] __dev_change_flags+0x469/0x6c0
[ 45.387253][ C0] rtnl_configure_link+0x118/0x200
[ 45.387543][ C0] rtnl_newlink_create+0x36e/0x850
[ 45.387829][ C0] __rtnl_newlink+0xac9/0xd80
[ 45.388133][ C0] rtnl_newlink+0x63/0xa0
[ 45.388428][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 45.388723][ C0] netlink_rcv_skb+0x130/0x360
[ 45.389026][ C0] netlink_unicast+0x449/0x710
[ 45.389322][ C0] netlink_sendmsg+0x723/0xbe0
[ 45.389620][ C0] ____sys_sendmsg+0x7b2/0xa10
[ 45.389921][ C0] ___sys_sendmsg+0xee/0x170
[ 45.390237][ C0] __sys_sendmsg+0xcd/0x170
[ 45.390540][ C0] do_syscall_64+0xc6/0x1e0
[ 45.390834][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 45.391193][ C0] IN-SOFTIRQ-W at:
[ 45.391372][ C0] __lock_acquire+0x797/0x1570
[ 45.391668][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.391969][ C0] _raw_spin_lock+0x30/0x40
[ 45.392276][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.392700][ C0] call_timer_fn+0x13b/0x230
[ 45.392999][ C0] __run_timers+0x545/0x810
[ 45.393302][ C0] run_timer_softirq+0xe8/0x1b0
[ 45.393714][ C0] __do_softirq+0x1f8/0x5df
[ 45.394017][ C0] irq_exit_rcu+0x97/0xc0
[ 45.394335][ C0] sysvec_apic_timer_interrupt+0x75/0x80
[ 45.394686][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 45.395015][ C0] default_idle+0xf/0x20
[ 45.395316][ C0] default_idle_call+0x6d/0xb0
[ 45.395610][ C0] cpuidle_idle_call+0x1f4/0x280
[ 45.395909][ C0] do_idle+0xf9/0x160
[ 45.396149][ C0] cpu_startup_entry+0x54/0x60
[ 45.396460][ C0] rest_init+0x14f/0x260
[ 45.396751][ C0] start_kernel+0x318/0x3d0
[ 45.397045][ C0] x86_64_start_reservations+0x18/0x30
[ 45.397340][ C0] x86_64_start_kernel+0xba/0x110
[ 45.397623][ C0] common_startup_64+0x12c/0x138
[ 45.397916][ C0] INITIAL USE at:
[ 45.398112][ C0] __lock_acquire+0x797/0x1570
[ 45.398422][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.398709][ C0] _raw_spin_lock_bh+0x38/0x50
[ 45.398993][ C0] br_stp_enable_bridge+0x1f/0x2f0 [bridge]
[ 45.399407][ C0] br_dev_open+0xa2/0x120 [bridge]
[ 45.399751][ C0] __dev_open+0x221/0x430
[ 45.400044][ C0] __dev_change_flags+0x469/0x6c0
[ 45.400332][ C0] rtnl_configure_link+0x118/0x200
[ 45.400621][ C0] rtnl_newlink_create+0x36e/0x850
[ 45.400900][ C0] __rtnl_newlink+0xac9/0xd80
[ 45.401178][ C0] rtnl_newlink+0x63/0xa0
[ 45.401462][ C0] rtnetlink_rcv_msg+0x2fb/0xbf0
[ 45.401754][ C0] netlink_rcv_skb+0x130/0x360
[ 45.402050][ C0] netlink_unicast+0x449/0x710
[ 45.402351][ C0] netlink_sendmsg+0x723/0xbe0
[ 45.402646][ C0] ____sys_sendmsg+0x7b2/0xa10
[ 45.402950][ C0] ___sys_sendmsg+0xee/0x170
[ 45.403251][ C0] __sys_sendmsg+0xcd/0x170
[ 45.403727][ C0] do_syscall_64+0xc6/0x1e0
[ 45.404045][ C0] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 45.404419][ C0] }
[ 45.404548][ C0] ... key at: [<ffffffffc03c9540>] __key.6+0x0/0xfffffffffffe5ac0 [bridge]
[ 45.405215][ C0] ... acquired at:
[ 45.405399][ C0] mark_lock+0x28d/0x3e0
[ 45.405651][ C0] mark_usage+0xd9/0x2a0
[ 45.406076][ C0] __lock_acquire+0x797/0x1570
[ 45.406339][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.406602][ C0] _raw_spin_lock+0x30/0x40
[ 45.406851][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.407232][ C0] call_timer_fn+0x13b/0x230
[ 45.407489][ C0] __run_timers+0x545/0x810
[ 45.407740][ C0] run_timer_softirq+0xe8/0x1b0
[ 45.407986][ C0] __do_softirq+0x1f8/0x5df
[ 45.408233][ C0] irq_exit_rcu+0x97/0xc0
[ 45.408660][ C0] sysvec_apic_timer_interrupt+0x75/0x80
[ 45.408970][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 45.409292][ C0] default_idle+0xf/0x20
[ 45.409721][ C0] default_idle_call+0x6d/0xb0
[ 45.409974][ C0] cpuidle_idle_call+0x1f4/0x280
[ 45.410229][ C0] do_idle+0xf9/0x160
[ 45.410423][ C0] cpu_startup_entry+0x54/0x60
[ 45.410676][ C0] rest_init+0x14f/0x260
[ 45.411266][ C0] start_kernel+0x318/0x3d0
[ 45.411512][ C0] x86_64_start_reservations+0x18/0x30
[ 45.411770][ C0] x86_64_start_kernel+0xba/0x110
[ 45.412018][ C0] common_startup_64+0x12c/0x138
[ 45.412270][ C0]
[ 45.412393][ C0]
[ 45.412393][ C0] stack backtrace:
[ 45.412704][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.9.0-rc1-virtme #1
[ 45.413078][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 45.413799][ C0] Call Trace:
[ 45.413997][ C0] <IRQ>
[ 45.414125][ C0] dump_stack_lvl+0x82/0xd0
[ 45.414378][ C0] print_irq_inversion_bug.part.0+0x3d9/0x570
[ 45.414858][ C0] ? common_startup_64+0x12c/0x138
[ 45.415117][ C0] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10
[ 45.415428][ C0] ? __pfx_usage_skip+0x10/0x10
[ 45.415677][ C0] ? __pfx_usage_match+0x10/0x10
[ 45.416095][ C0] ? arch_stack_walk+0x8c/0xf0
[ 45.416348][ C0] mark_lock_irq+0x4cd/0xa10
[ 45.416599][ C0] ? __pfx_mark_lock_irq+0x10/0x10
[ 45.416849][ C0] ? stack_trace_save+0x94/0xd0
[ 45.417266][ C0] ? add_chain_cache+0x248/0x8b0
[ 45.417514][ C0] ? save_trace+0x8f/0x5b0
[ 45.417764][ C0] mark_lock+0x28d/0x3e0
[ 45.417953][ C0] mark_usage+0xd9/0x2a0
[ 45.418144][ C0] __lock_acquire+0x797/0x1570
[ 45.418407][ C0] ? __lock_acquire+0xaf0/0x1570
[ 45.418681][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 45.418967][ C0] lock_acquire.part.0+0xeb/0x330
[ 45.419206][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.419427][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 45.419573][ C0] ? trace_lock_acquire+0x135/0x1c0
[ 45.419722][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.420037][ C0] ? lock_acquire+0x32/0xc0
[ 45.420183][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.420406][ C0] _raw_spin_lock+0x30/0x40
[ 45.420553][ C0] ? br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.420775][ C0] br_forward_delay_timer_expired+0x48/0x440 [bridge]
[ 45.420997][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 45.421250][ C0] call_timer_fn+0x13b/0x230
[ 45.421496][ C0] ? call_timer_fn+0xe8/0x230
[ 45.421649][ C0] ? call_timer_fn+0xe8/0x230
[ 45.421797][ C0] ? __pfx_call_timer_fn+0x10/0x10
[ 45.421943][ C0] ? mark_lock+0x38/0x3e0
[ 45.422061][ C0] __run_timers+0x545/0x810
[ 45.422298][ C0] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge]
[ 45.422553][ C0] ? __pfx___run_timers+0x10/0x10
[ 45.422712][ C0] ? do_raw_spin_lock+0x131/0x270
[ 45.422865][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 45.423104][ C0] ? lock_acquire+0x32/0xc0
[ 45.423250][ C0] ? run_timer_softirq+0xe0/0x1b0
[ 45.423398][ C0] run_timer_softirq+0xe8/0x1b0
[ 45.423543][ C0] __do_softirq+0x1f8/0x5df
[ 45.423690][ C0] irq_exit_rcu+0x97/0xc0
[ 45.423802][ C0] sysvec_apic_timer_interrupt+0x75/0x80
[ 45.423949][ C0] </IRQ>
[ 45.424025][ C0] <TASK>
[ 45.424102][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 45.424376][ C0] RIP: 0010:default_idle+0xf/0x20
[ 45.424527][ C0] 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
[ 45.425149][ C0] RSP: 0018:ffffffff94c07e00 EFLAGS: 00000242
[ 45.425333][ C0] RAX: 000000000009cd43 RBX: 1ffffffff2980fc2 RCX: ffffffff93d0e9d5
[ 45.425557][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff916aa4a4
[ 45.425876][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0709c
[ 45.426094][ C0] R10: ffff8880360384e3 R11: ffff88803602d9b0 R12: 0000000000000000
[ 45.426314][ C0] R13: ffffffff94c1d000 R14: dffffc0000000000 R15: 0000000000014770
[ 45.426627][ C0] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 45.426778][ C0] ? cpuidle_idle_call+0x1f4/0x280
[ 45.426926][ C0] default_idle_call+0x6d/0xb0
[ 45.427072][ C0] cpuidle_idle_call+0x1f4/0x280
[ 45.427309][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 45.427457][ C0] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 45.427609][ C0] do_idle+0xf9/0x160
[ 45.427721][ C0] cpu_startup_entry+0x54/0x60
[ 45.427962][ C0] rest_init+0x14f/0x260
[ 45.428078][ C0] start_kernel+0x318/0x3d0
[ 45.428226][ C0] x86_64_start_reservations+0x18/0x30
[ 45.428376][ C0] x86_64_start_kernel+0xba/0x110
[ 45.428525][ C0] common_startup_64+0x12c/0x138
[ 45.428692][ C0] </TASK>
[ 57.534268][ T472] br1: port 2(veth2) entered disabled state
[ 57.628985][ T474] veth2: left allmulticast mode
[ 57.629158][ T474] veth2: left promiscuous mode
[ 57.629406][ T474] br1: port 2(veth2) entered disabled state
[ 57.723356][ T475] br1: port 1(veth1) entered disabled state
[ 57.818099][ T476] veth1: left allmulticast mode
[ 57.818354][ T476] veth1: left promiscuous mode
[ 57.818618][ T476] br1: port 1(veth1) entered disabled state