[ 11.308389][ T262] br1: port 1(veth1) entered blocking state [ 11.308536][ T262] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.308538][ T262] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 262, name: ip [ 11.308539][ T262] preempt_count: 1, expected: 0 [ 11.308540][ T262] RCU nest depth: 0, expected: 0 [ 11.308541][ T262] locks held by ip/262: 5, last CPU#2: [ 11.308544][ T262] #0: ffffffffa32d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.308556][ T262] #1: ffffffffa2b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.308562][ T262] #2: ffffffffa2b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.308566][ T262] #3: ffffffffa2a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.308570][ T262] #4: ffffffffa2a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.308574][ T262] irq event stamp: 14532 [ 11.308575][ T262] hardirqs last enabled at (14531): [] __down_trylock_console_sem+0x86/0xa0 [ 11.308577][ T262] hardirqs last disabled at (14532): [] console_emit_next_record+0x3d4/0x4c0 [ 11.308579][ T262] softirqs last enabled at (14442): [] __alloc_skb+0x4c2/0x5f0 [ 11.308582][ T262] softirqs last disabled at (14440): [] __alloc_skb+0x4c2/0x5f0 [ 11.308585][ T262] Preemption disabled at: [ 11.308586][ T262] [] vprintk_emit+0x31b/0x3e0 [ 11.308592][ T262] CPU: 2 UID: 0 PID: 262 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.308595][ T262] Tainted: [W]=WARN [ 11.308596][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.308598][ T262] Call Trace: [ 11.308600][ T262] [ 11.308601][ T262] dump_stack_lvl+0x6f/0xa0 [ 11.308607][ T262] ? vprintk_emit+0x31b/0x3e0 [ 11.308609][ T262] __might_resched.cold+0x1fe/0x2c1 [ 11.308614][ T262] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.308618][ T262] ? __kmalloc_noprof+0xdb/0x760 [ 11.308623][ T262] __kmalloc_noprof+0x443/0x760 [ 11.308626][ T262] ? alloc_buf.isra.0+0x4b/0x260 [ 11.308632][ T262] ? do_raw_spin_unlock+0x59/0x250 [ 11.308634][ T262] alloc_buf.isra.0+0x4b/0x260 [ 11.308638][ T262] put_chars+0x1e1/0x2f0 [ 11.308641][ T262] ? __send_to_port+0x420/0x420 [ 11.308645][ T262] ? validate_chain+0x34a/0xc20 [ 11.308649][ T262] hvc_console_print+0x292/0x780 [ 11.308652][ T262] ? mark_usage+0x61/0x170 [ 11.308654][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308655][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308659][ T262] ? hvc_write+0x3a0/0x3a0 [ 11.308661][ T262] ? console_emit_next_record+0x1df/0x4c0 [ 11.308665][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.308669][ T262] ? lock_acquire+0x13c/0x160 [ 11.308673][ T262] console_emit_next_record+0x22f/0x4c0 [ 11.308676][ T262] ? devkmsg_read+0x4b0/0x4b0 [ 11.308678][ T262] ? console_flush_one_record+0x106/0x710 [ 11.308681][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.308684][ T262] ? lock_acquire+0x13c/0x160 [ 11.308688][ T262] console_flush_one_record+0x46f/0x710 [ 11.308692][ T262] ? console_emit_next_record+0x4c0/0x4c0 [ 11.308694][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308699][ T262] console_unlock+0xee/0x1f0 [ 11.308702][ T262] ? console_flush_one_record+0x710/0x710 [ 11.308704][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.308706][ T262] ? lock_acquire+0x60/0x160 [ 11.308710][ T262] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.308712][ T262] ? vprintk_emit+0x320/0x3e0 [ 11.308715][ T262] vprintk_emit+0x37c/0x3e0 [ 11.308719][ T262] ? wake_up_klogd_work_func+0x90/0x90 [ 11.308722][ T262] ? __lock_release.isra.0+0x69/0x1a0 [ 11.308723][ T262] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.308728][ T262] ? mark_held_locks+0x40/0x70 [ 11.308732][ T262] _printk+0xc7/0x100 [ 11.308735][ T262] ? snapshot_read.cold+0x21/0x21 [ 11.308739][ T262] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.308751][ T262] ? do_setlink.isra.0+0xa31/0x2750 [ 11.308753][ T262] ? rtnl_newlink+0x9f1/0x11c0 [ 11.308754][ T262] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.308758][ T262] br_set_state+0x22f/0x430 [bridge] [ 11.308769][ T262] br_init_port+0xc4/0x200 [bridge] [ 11.308777][ T262] new_nbp+0x39c/0x580 [bridge] [ 11.308786][ T262] br_add_if+0x212/0x1320 [bridge] [ 11.308794][ T262] ? is_bpf_text_address+0x72/0x110 [ 11.308798][ T262] ? kernel_text_address+0x149/0x170 [ 11.308801][ T262] ? __kernel_text_address+0x12/0x30 [ 11.308805][ T262] do_set_master+0x357/0x580 [ 11.308809][ T262] do_setlink.isra.0+0xa31/0x2750 [ 11.308813][ T262] ? stack_trace_save+0x93/0xc0 [ 11.308816][ T262] ? rtnl_link_get_size+0x350/0x350 [ 11.308817][ T262] ? rcu_read_lock_any_held+0x66/0x90 [ 11.308820][ T262] ? stack_depot_save_flags+0x38e/0x790 [ 11.308828][ T262] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.308831][ T262] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.308832][ T262] ? validate_chain+0x38b/0xc20 [ 11.308835][ T262] ? kasan_save_stack+0x3d/0x50 [ 11.308838][ T262] ? kasan_save_stack+0x2f/0x50 [ 11.308840][ T262] ? kasan_save_track+0x14/0x30 [ 11.308842][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308844][ T262] ? netlink_seq_next+0xe/0x60 [ 11.308847][ T262] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.308852][ T262] ? lock_acquire.part.0+0xd4/0x280 [ 11.308854][ T262] ? rtnl_newlink+0x9a8/0x11c0 [ 11.308857][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.308859][ T262] ? lock_acquire+0x13c/0x160 [ 11.308861][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.308862][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.308865][ T262] ? trace_contention_end+0xb3/0x180 [ 11.308869][ T262] ? __mutex_lock+0x1db/0x1ea0 [ 11.308870][ T262] ? __mutex_lock+0x9a3/0x1ea0 [ 11.308872][ T262] ? rtnl_newlink+0x9a8/0x11c0 [ 11.308876][ T262] ? ww_mutex_lock+0x160/0x160 [ 11.308878][ T262] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.308883][ T262] ? __rtnl_newlink+0x3fa/0xa50 [ 11.308888][ T262] rtnl_newlink+0x9f1/0x11c0 [ 11.308893][ T262] ? rtnl_bridge_getlink+0x850/0x850 [ 11.308895][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308899][ T262] ? lock_acquire.part.0+0xd4/0x280 [ 11.308901][ T262] ? find_held_lock+0x2b/0x80 [ 11.308903][ T262] ? rtnl_bridge_getlink+0x850/0x850 [ 11.308905][ T262] ? __lock_release.isra.0+0x69/0x1a0 [ 11.308909][ T262] ? rtnl_bridge_getlink+0x850/0x850 [ 11.308911][ T262] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.308914][ T262] ? rtnl_link_fill+0x920/0x920 [ 11.308915][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308920][ T262] ? lock_acquire.part.0+0xd4/0x280 [ 11.308922][ T262] ? find_held_lock+0x2b/0x80 [ 11.308925][ T262] netlink_rcv_skb+0x14e/0x3a0 [ 11.308927][ T262] ? rtnl_link_fill+0x920/0x920 [ 11.308930][ T262] ? netlink_ack+0xcf0/0xcf0 [ 11.308936][ T262] ? netlink_deliver_tap+0xc5/0x330 [ 11.308937][ T262] ? netlink_deliver_tap+0x13c/0x330 [ 11.308942][ T262] netlink_unicast+0x486/0x750 [ 11.308945][ T262] ? netlink_attachskb+0x810/0x810 [ 11.308948][ T262] ? __lock_acquire+0x518/0xc20 [ 11.308952][ T262] netlink_sendmsg+0x735/0xc60 [ 11.308956][ T262] ? netlink_unicast+0x750/0x750 [ 11.308960][ T262] ? __might_fault+0x97/0x140 [ 11.308965][ T262] ____sys_sendmsg+0x415/0x880 [ 11.308967][ T262] ? copy_msghdr_from_user+0x279/0x420 [ 11.308970][ T262] ? get_timestamp.constprop.0+0x390/0x390 [ 11.308971][ T262] ? move_addr_to_kernel+0x40/0x40 [ 11.308979][ T262] ___sys_sendmsg+0x14e/0x1d0 [ 11.308981][ T262] ? copy_msghdr_from_user+0x420/0x420 [ 11.308997][ T262] __sys_sendmsg+0x12c/0x1d0 [ 11.309000][ T262] ? __sys_sendmsg_sock+0x20/0x20 [ 11.309006][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.309010][ T262] do_syscall_64+0xff/0x530 [ 11.309012][ T262] ? exc_page_fault+0xee/0x100 [ 11.309016][ T262] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.309018][ T262] RIP: 0033:0x7f19a348454e [ 11.309021][ T262] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 11.309023][ T262] RSP: 002b:00007ffcd6641fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.309026][ T262] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f19a348454e [ 11.309028][ T262] RDX: 0000000000000000 RSI: 00007ffcd6642050 RDI: 0000000000000005 [ 11.309029][ T262] RBP: 00007ffcd6641fb0 R08: 0000000000000000 R09: 0000000000000000 [ 11.309029][ T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac48 [ 11.309030][ T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd6642710 [ 11.309037][ T262] [ 11.362549][ T262] br1: port 1(veth1) entered disabled state [ 11.363034][ T262] veth1: entered allmulticast mode [ 11.365420][ T262] veth1: entered promiscuous mode [ 11.375041][ T262] ip (262) used greatest stack depth: 23336 bytes left [ 11.482415][ T39] br1: port 1(veth1) entered blocking state [ 11.483094][ T39] br1: port 1(veth1) entered forwarding state [ 11.546300][ T275] br1: port 2(veth2) entered blocking state [ 11.546669][ T275] br1: port 2(veth2) entered disabled state [ 11.547023][ T275] veth2: entered allmulticast mode [ 11.548582][ T275] veth2: entered promiscuous mode [ 11.643383][ T39] br1: port 2(veth2) entered blocking state [ 11.643727][ T39] br1: port 2(veth2) entered forwarding state [ 26.490234][ C3] [ 26.490251][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.490253][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/3 [ 26.490255][ C3] preempt_count: 104, expected: 0 [ 26.490256][ C3] RCU nest depth: 0, expected: 0 [ 26.490257][ C3] INFO: lockdep is turned off. [ 26.490258][ C3] irq event stamp: 956592 [ 26.490259][ C3] hardirqs last enabled at (956592): [] _raw_spin_unlock_irq+0x28/0x50 [ 26.490268][ C3] hardirqs last disabled at (956591): [] _raw_spin_lock_irq+0x4a/0x50 [ 26.490270][ C3] softirqs last enabled at (956582): [] handle_softirqs+0x67c/0x900 [ 26.490274][ C3] softirqs last disabled at (956589): [] __irq_exit_rcu+0x145/0x1c0 [ 26.490276][ C3] Preemption disabled at: [ 26.490277][ C3] [<0000000000000000>] 0x0 [ 26.490284][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.490288][ C3] Tainted: [W]=WARN [ 26.490289][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.490291][ C3] Call Trace: [ 26.490293][ C3] [ 26.490294][ C3] dump_stack_lvl+0x6f/0xa0 [ 26.490300][ C3] __might_resched.cold+0x1fe/0x2c1 [ 26.490304][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.490307][ C3] ? __asan_memcpy+0x3c/0x60 [ 26.490310][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490314][ C3] __kmalloc_noprof+0x443/0x760 [ 26.490318][ C3] ? __rwlock_init+0x150/0x150 [ 26.490320][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 26.490324][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 26.490326][ C3] alloc_buf.isra.0+0x4b/0x260 [ 26.490328][ C3] put_chars+0x1e1/0x2f0 [ 26.490330][ C3] ? __send_to_port+0x420/0x420 [ 26.490331][ C3] ? console_prepend_replay+0x20/0x20 [ 26.490335][ C3] hvc_console_print+0x292/0x780 [ 26.490339][ C3] ? hvc_write+0x3a0/0x3a0 [ 26.490340][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490342][ C3] ? lock_acquire+0x13c/0x160 [ 26.490344][ C3] console_emit_next_record+0x22f/0x4c0 [ 26.490347][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 26.490349][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490351][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490353][ C3] ? lock_acquire+0x13c/0x160 [ 26.490354][ C3] ? console_flush_one_record+0x111/0x710 [ 26.490356][ C3] console_flush_one_record+0x46f/0x710 [ 26.490359][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 26.490361][ C3] console_unlock+0xee/0x1f0 [ 26.490363][ C3] ? lock_acquire+0x13c/0x160 [ 26.490365][ C3] ? console_flush_one_record+0x710/0x710 [ 26.490366][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490368][ C3] ? lock_release+0x184/0x1f0 [ 26.490370][ C3] ? lock_acquire+0x60/0x160 [ 26.490372][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.490373][ C3] ? vprintk_emit+0x320/0x3e0 [ 26.490375][ C3] vprintk_emit+0x37c/0x3e0 [ 26.490378][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 26.490380][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.490392][ C3] ? lock_release+0x184/0x1f0 [ 26.490393][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.490400][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.490411][ C3] ? is_module_text_address+0x154/0x250 [ 26.490415][ C3] _printk+0xc7/0x100 [ 26.490418][ C3] ? snapshot_read.cold+0x21/0x21 [ 26.490420][ C3] ? arch_stack_walk+0xd7/0x130 [ 26.490424][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.490426][ C3] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 26.490428][ C3] print_irq_inversion_bug.part.0+0x32/0xc0 [ 26.490431][ C3] mark_lock_irq+0x989/0x9c0 [ 26.490434][ C3] mark_lock+0x1d7/0xa00 [ 26.490436][ C3] mark_usage+0x42/0x170 [ 26.490437][ C3] __lock_acquire+0x388/0xc20 [ 26.490440][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.490442][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.490448][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490450][ C3] ? lock_acquire+0x13c/0x160 [ 26.490452][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.490458][ C3] _raw_spin_lock+0x33/0x40 [ 26.490460][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.490466][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.490472][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.490479][ C3] call_timer_fn+0x160/0x4d0 [ 26.490482][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 26.490483][ C3] ? debug_object_active_state+0x430/0x430 [ 26.490487][ C3] ? find_held_lock+0x2b/0x80 [ 26.490489][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.490491][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490493][ C3] __run_timers+0x68f/0xaa0 [ 26.490495][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.490502][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.490504][ C3] ? __lock_acquire+0x518/0xc20 [ 26.490506][ C3] ? __rwlock_init+0x150/0x150 [ 26.490509][ C3] run_timer_softirq+0xf0/0x160 [ 26.490511][ C3] ? __run_timers+0xaa0/0xaa0 [ 26.490513][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.490515][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490517][ C3] handle_softirqs+0x1d3/0x900 [ 26.490519][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.490521][ C3] ? _local_bh_enable+0xc0/0xc0 [ 26.490523][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.490524][ C3] irq_exit_rcu+0xe/0x30 [ 26.490526][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.490529][ C3] [ 26.490529][ C3] [ 26.490530][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 26.490532][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.490534][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.490537][ C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 26.490538][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 26.490542][ C3] RAX: 00000000000e98ab RBX: ff11000001c88040 RCX: ffffffff9f8f0307 [ 26.490543][ C3] RDX: ff11000001c88040 RSI: ffffffffa2638af6 RDI: ffffffffa208d8e0 [ 26.490544][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.490545][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 26.490545][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.490547][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.490550][ C3] default_idle+0x9/0x10 [ 26.490552][ C3] default_idle_call+0x6e/0xb0 [ 26.490554][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.490555][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 26.490557][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 26.490559][ C3] ? default_idle_call+0x98/0xb0 [ 26.490561][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.490563][ C3] do_idle+0xd8/0x190 [ 26.490565][ C3] cpu_startup_entry+0x53/0x70 [ 26.490566][ C3] start_secondary+0x204/0x2b0 [ 26.490568][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.490570][ C3] common_startup_64+0x13e/0x148 [ 26.490575][ C3] [ 26.510729][ C3] ======================================================== [ 26.510948][ C3] WARNING: possible irq lock inversion dependency detected [ 26.511157][ C3] 7.2.0-virtme #1 Tainted: G W [ 26.511327][ C3] -------------------------------------------------------- [ 26.511536][ C3] swapper/3/0 just changed the state of lock: [ 26.511709][ C3] ff1100000b33ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.512002][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 26.512206][ C3] (fs_reclaim){+.+.}-{0:0} [ 26.512209][ C3] [ 26.512209][ C3] [ 26.512209][ C3] and interrupts could create inverse lock ordering between them. [ 26.512209][ C3] [ 26.512729][ C3] [ 26.512729][ C3] other info that might help us debug this: [ 26.512940][ C3] Chain exists of: [ 26.512940][ C3] &br->lock --> console_owner --> fs_reclaim [ 26.512940][ C3] [ 26.513262][ C3] Possible interrupt unsafe locking scenario: [ 26.513262][ C3] [ 26.513480][ C3] CPU0 CPU1 [ 26.513622][ C3] ---- ---- [ 26.513761][ C3] lock(fs_reclaim); [ 26.513866][ C3] local_irq_disable(); [ 26.514047][ C3] lock(&br->lock); [ 26.514223][ C3] lock(console_owner); [ 26.514406][ C3] [ 26.514518][ C3] lock(&br->lock); [ 26.514626][ C3] [ 26.514626][ C3] *** DEADLOCK *** [ 26.514626][ C3] [ 26.514835][ C3] locks held by swapper/3/0: 1, last CPU#3: [ 26.515014][ C3] #0: ffa0000000280c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 26.515301][ C3] [ 26.515301][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 26.515544][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 26.515690][ C3] HARDIRQ-ON-W at: [ 26.515799][ C3] __lock_acquire+0x388/0xc20 [ 26.515985][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.516165][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.516344][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 26.516555][ C3] kthread_create_worker_on_node+0xea/0x210 [ 26.516761][ C3] workqueue_init+0x2a/0x680 [ 26.516948][ C3] kernel_init_freeable+0x2fe/0x630 [ 26.517159][ C3] kernel_init+0x21/0x150 [ 26.517344][ C3] ret_from_fork+0x474/0x6b0 [ 26.517523][ C3] ret_from_fork_asm+0x11/0x20 [ 26.517696][ C3] SOFTIRQ-ON-W at: [ 26.517800][ C3] __lock_acquire+0x388/0xc20 [ 26.517981][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.518156][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.518331][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 26.518545][ C3] kthread_create_worker_on_node+0xea/0x210 [ 26.518753][ C3] workqueue_init+0x2a/0x680 [ 26.518930][ C3] kernel_init_freeable+0x2fe/0x630 [ 26.519139][ C3] kernel_init+0x21/0x150 [ 26.519316][ C3] ret_from_fork+0x474/0x6b0 [ 26.519496][ C3] ret_from_fork_asm+0x11/0x20 [ 26.519672][ C3] INITIAL USE at: [ 26.519774][ C3] __lock_acquire+0x388/0xc20 [ 26.519955][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.520133][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.520308][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 26.520516][ C3] kthread_create_worker_on_node+0xea/0x210 [ 26.520728][ C3] workqueue_init+0x2a/0x680 [ 26.520911][ C3] kernel_init_freeable+0x2fe/0x630 [ 26.521087][ C3] kernel_init+0x21/0x150 [ 26.521262][ C3] ret_from_fork+0x474/0x6b0 [ 26.521442][ C3] ret_from_fork_asm+0x11/0x20 [ 26.521613][ C3] } [ 26.521690][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 26.521902][ C3] ... acquired at: [ 26.522007][ C3] __lock_acquire+0x518/0xc20 [ 26.522148][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.522285][ C3] fs_reclaim_acquire+0xd5/0x120 [ 26.522422][ C3] __kmalloc_noprof+0xd3/0x760 [ 26.522562][ C3] alloc_buf.isra.0+0x4b/0x260 [ 26.522700][ C3] put_chars+0x1e1/0x2f0 [ 26.522846][ C3] hvc_console_print+0x292/0x780 [ 26.522997][ C3] console_emit_next_record+0x22f/0x4c0 [ 26.523141][ C3] console_flush_one_record+0x46f/0x710 [ 26.523278][ C3] console_unlock+0xee/0x1f0 [ 26.523416][ C3] vprintk_emit+0x37c/0x3e0 [ 26.523554][ C3] _printk+0xc7/0x100 [ 26.523664][ C3] sock_register+0x12d/0x290 [ 26.523803][ C3] inet6_init+0x1a6/0x3e0 [ 26.523952][ C3] do_one_initcall+0x124/0x4f0 [ 26.524090][ C3] kernel_init_freeable+0x596/0x630 [ 26.524234][ C3] kernel_init+0x21/0x150 [ 26.524375][ C3] ret_from_fork+0x474/0x6b0 [ 26.524513][ C3] ret_from_fork_asm+0x11/0x20 [ 26.524653][ C3] [ 26.524724][ C3] -> (console_owner){....}-{0:0} { [ 26.524866][ C3] INITIAL USE at: [ 26.524977][ C3] } [ 26.525046][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 26.525251][ C3] ... acquired at: [ 26.525354][ C3] __lock_acquire+0x518/0xc20 [ 26.525490][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.525626][ C3] console_lock_spinning_enable+0x5c/0x60 [ 26.525797][ C3] console_emit_next_record+0x1d1/0x4c0 [ 26.525945][ C3] console_flush_one_record+0x46f/0x710 [ 26.526082][ C3] console_unlock+0xee/0x1f0 [ 26.526218][ C3] vprintk_emit+0x37c/0x3e0 [ 26.526351][ C3] _printk+0xc7/0x100 [ 26.526455][ C3] br_set_state+0x22f/0x430 [bridge] [ 26.526600][ C3] br_init_port+0xc4/0x200 [bridge] [ 26.526747][ C3] br_stp_enable_port+0x12/0x50 [bridge] [ 26.526931][ C3] br_port_carrier_check+0x220/0x430 [bridge] [ 26.527110][ C3] br_device_event+0x52d/0x8f0 [bridge] [ 26.527250][ C3] notifier_call_chain+0xae/0x300 [ 26.527386][ C3] netif_state_change+0x139/0x340 [ 26.527525][ C3] __linkwatch_run_queue+0x34c/0x750 [ 26.527664][ C3] linkwatch_event+0x7f/0xb0 [ 26.527800][ C3] process_one_work+0xe3e/0x1560 [ 26.527942][ C3] worker_thread+0x4f1/0xd60 [ 26.528081][ C3] kthread+0x367/0x460 [ 26.528189][ C3] ret_from_fork+0x474/0x6b0 [ 26.528329][ C3] ret_from_fork_asm+0x11/0x20 [ 26.528472][ C3] [ 26.528540][ C3] -> (&br->lock){+.-.}-{3:3} { [ 26.528685][ C3] HARDIRQ-ON-W at: [ 26.528787][ C3] __lock_acquire+0x388/0xc20 [ 26.528967][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.529138][ C3] _raw_spin_lock_bh+0x38/0x50 [ 26.529477][ C3] br_set_ageing_time+0x2d/0xf0 [bridge] [ 26.529691][ C3] br_changelink+0x240/0x16e0 [bridge] [ 26.529866][ C3] br_dev_newlink+0xeb/0x160 [bridge] [ 26.530049][ C3] rtnl_newlink_create+0x2d0/0x750 [ 26.530222][ C3] __rtnl_newlink+0x22b/0xa50 [ 26.530396][ C3] rtnl_newlink+0x9f1/0x11c0 [ 26.530624][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.530845][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 26.531026][ C3] netlink_unicast+0x486/0x750 [ 26.531250][ C3] netlink_sendmsg+0x735/0xc60 [ 26.531422][ C3] ____sys_sendmsg+0x415/0x880 [ 26.531643][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 26.531860][ C3] __sys_sendmsg+0x12c/0x1d0 [ 26.532038][ C3] do_syscall_64+0xff/0x530 [ 26.532261][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.532518][ C3] IN-SOFTIRQ-W at: [ 26.532623][ C3] __lock_acquire+0x388/0xc20 [ 26.532844][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.533025][ C3] _raw_spin_lock+0x33/0x40 [ 26.533245][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.533504][ C3] call_timer_fn+0x160/0x4d0 [ 26.533679][ C3] __run_timers+0x68f/0xaa0 [ 26.533951][ C3] run_timer_softirq+0xf0/0x160 [ 26.534170][ C3] handle_softirqs+0x1d3/0x900 [ 26.534342][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.534514][ C3] irq_exit_rcu+0xe/0x30 [ 26.534685][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.534943][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.535193][ C3] pv_native_safe_halt+0xf/0x10 [ 26.535407][ C3] default_idle+0x9/0x10 [ 26.535574][ C3] default_idle_call+0x6e/0xb0 [ 26.535796][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.536060][ C3] do_idle+0xd8/0x190 [ 26.536200][ C3] cpu_startup_entry+0x53/0x70 [ 26.536423][ C3] start_secondary+0x204/0x2b0 [ 26.536596][ C3] common_startup_64+0x13e/0x148 [ 26.536817][ C3] INITIAL USE at: [ 26.536926][ C3] __lock_acquire+0x388/0xc20 [ 26.537152][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.537372][ C3] _raw_spin_lock_bh+0x38/0x50 [ 26.537545][ C3] br_set_ageing_time+0x2d/0xf0 [bridge] [ 26.537803][ C3] br_changelink+0x240/0x16e0 [bridge] [ 26.538032][ C3] br_dev_newlink+0xeb/0x160 [bridge] [ 26.538207][ C3] rtnl_newlink_create+0x2d0/0x750 [ 26.538423][ C3] __rtnl_newlink+0x22b/0xa50 [ 26.538597][ C3] rtnl_newlink+0x9f1/0x11c0 [ 26.538818][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.539047][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 26.539219][ C3] netlink_unicast+0x486/0x750 [ 26.539447][ C3] netlink_sendmsg+0x735/0xc60 [ 26.539664][ C3] ____sys_sendmsg+0x415/0x880 [ 26.539835][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 26.540064][ C3] __sys_sendmsg+0x12c/0x1d0 [ 26.540236][ C3] do_syscall_64+0xff/0x530 [ 26.540453][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.540705][ C3] } [ 26.540776][ C3] ... key at: [] __key.7+0x0/0x40 [bridge] [ 26.541033][ C3] ... acquired at: [ 26.541133][ C3] mark_lock+0x1d7/0xa00 [ 26.541316][ C3] mark_usage+0x42/0x170 [ 26.541450][ C3] __lock_acquire+0x388/0xc20 [ 26.541632][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.541776][ C3] _raw_spin_lock+0x33/0x40 [ 26.545721][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.545902][ C3] call_timer_fn+0x160/0x4d0 [ 26.546086][ C3] __run_timers+0x68f/0xaa0 [ 26.546221][ C3] run_timer_softirq+0xf0/0x160 [ 26.546404][ C3] handle_softirqs+0x1d3/0x900 [ 26.546543][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.546725][ C3] irq_exit_rcu+0xe/0x30 [ 26.546862][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.547081][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.547299][ C3] pv_native_safe_halt+0xf/0x10 [ 26.547441][ C3] default_idle+0x9/0x10 [ 26.547621][ C3] default_idle_call+0x6e/0xb0 [ 26.547760][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.547979][ C3] do_idle+0xd8/0x190 [ 26.548083][ C3] cpu_startup_entry+0x53/0x70 [ 26.548219][ C3] start_secondary+0x204/0x2b0 [ 26.548355][ C3] common_startup_64+0x13e/0x148 [ 26.548543][ C3] [ 26.548611][ C3] [ 26.548611][ C3] stack backtrace: [ 26.548838][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.548842][ C3] Tainted: [W]=WARN [ 26.548843][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.548844][ C3] Call Trace: [ 26.548846][ C3] [ 26.548847][ C3] dump_stack_lvl+0x6f/0xa0 [ 26.548851][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 26.548854][ C3] mark_lock_irq+0x989/0x9c0 [ 26.548858][ C3] mark_lock+0x1d7/0xa00 [ 26.548860][ C3] mark_usage+0x42/0x170 [ 26.548861][ C3] __lock_acquire+0x388/0xc20 [ 26.548864][ C3] lock_acquire.part.0+0xd4/0x280 [ 26.548865][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.548873][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.548876][ C3] ? lock_acquire+0x13c/0x160 [ 26.548878][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.548884][ C3] _raw_spin_lock+0x33/0x40 [ 26.548886][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.548898][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.548904][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.548910][ C3] call_timer_fn+0x160/0x4d0 [ 26.548912][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 26.548914][ C3] ? debug_object_active_state+0x430/0x430 [ 26.548918][ C3] ? find_held_lock+0x2b/0x80 [ 26.548920][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.548922][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.548924][ C3] __run_timers+0x68f/0xaa0 [ 26.548926][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.548933][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.548935][ C3] ? __lock_acquire+0x518/0xc20 [ 26.548938][ C3] ? __rwlock_init+0x150/0x150 [ 26.548940][ C3] run_timer_softirq+0xf0/0x160 [ 26.548942][ C3] ? __run_timers+0xaa0/0xaa0 [ 26.548944][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.548946][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.548948][ C3] handle_softirqs+0x1d3/0x900 [ 26.548950][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 26.548952][ C3] ? _local_bh_enable+0xc0/0xc0 [ 26.548954][ C3] __irq_exit_rcu+0x145/0x1c0 [ 26.548956][ C3] irq_exit_rcu+0xe/0x30 [ 26.548957][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.548959][ C3] [ 26.548959][ C3] [ 26.548960][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 26.548962][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.548963][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.548966][ C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 26.548967][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 26.548970][ C3] RAX: 00000000000e98ab RBX: ff11000001c88040 RCX: ffffffff9f8f0307 [ 26.548971][ C3] RDX: ff11000001c88040 RSI: ffffffffa2638af6 RDI: ffffffffa208d8e0 [ 26.548972][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.548973][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 26.548973][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.548975][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.548977][ C3] default_idle+0x9/0x10 [ 26.548979][ C3] default_idle_call+0x6e/0xb0 [ 26.548981][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.548982][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 26.548984][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 26.548986][ C3] ? default_idle_call+0x98/0xb0 [ 26.548987][ C3] ? rcu_is_watching+0x16/0xd0 [ 26.548989][ C3] do_idle+0xd8/0x190 [ 26.548991][ C3] cpu_startup_entry+0x53/0x70 [ 26.548992][ C3] start_secondary+0x204/0x2b0 [ 26.548994][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.548996][ C3] common_startup_64+0x13e/0x148 [ 26.548999][ C3] [ 29.504958][ T712] br1: port 2(veth2) entered disabled state [ 29.504975][ T712] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.504977][ T712] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 712, name: ip [ 29.504979][ T712] preempt_count: 202, expected: 0 [ 29.504980][ T712] RCU nest depth: 0, expected: 0 [ 29.504981][ T712] INFO: lockdep is turned off. [ 29.504982][ T712] irq event stamp: 0 [ 29.504982][ T712] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 29.504987][ T712] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 29.504993][ T712] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 29.504994][ T712] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 29.504996][ T712] Preemption disabled at: [ 29.504997][ T712] [<0000000000000000>] 0x0 [ 29.505002][ T712] CPU: 3 UID: 0 PID: 712 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.505006][ T712] Tainted: [W]=WARN [ 29.505006][ T712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.505008][ T712] Call Trace: [ 29.505010][ T712] [ 29.505011][ T712] dump_stack_lvl+0x6f/0xa0 [ 29.505016][ T712] __might_resched.cold+0x1fe/0x2c1 [ 29.505020][ T712] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.505023][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505027][ T712] __kmalloc_noprof+0x443/0x760 [ 29.505031][ T712] ? __rwlock_init+0x150/0x150 [ 29.505033][ T712] ? alloc_buf.isra.0+0x4b/0x260 [ 29.505037][ T712] ? do_raw_spin_unlock+0x59/0x250 [ 29.505039][ T712] alloc_buf.isra.0+0x4b/0x260 [ 29.505041][ T712] put_chars+0x1e1/0x2f0 [ 29.505043][ T712] ? __send_to_port+0x420/0x420 [ 29.505044][ T712] ? printk_get_next_message+0x240/0x650 [ 29.505048][ T712] hvc_console_print+0x292/0x780 [ 29.505051][ T712] ? hvc_write+0x3a0/0x3a0 [ 29.505054][ T712] ? __rwlock_init+0x150/0x150 [ 29.505055][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505057][ T712] ? lock_acquire+0x13c/0x160 [ 29.505059][ T712] console_emit_next_record+0x22f/0x4c0 [ 29.505062][ T712] ? devkmsg_read+0x4b0/0x4b0 [ 29.505064][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505065][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505067][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505069][ T712] ? lock_acquire+0x13c/0x160 [ 29.505070][ T712] ? console_flush_one_record+0x111/0x710 [ 29.505072][ T712] console_flush_one_record+0x46f/0x710 [ 29.505074][ T712] ? console_emit_next_record+0x4c0/0x4c0 [ 29.505077][ T712] console_unlock+0xee/0x1f0 [ 29.505079][ T712] ? lock_acquire+0x13c/0x160 [ 29.505080][ T712] ? console_flush_one_record+0x710/0x710 [ 29.505082][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505083][ T712] ? lock_release+0x184/0x1f0 [ 29.505085][ T712] ? lock_acquire+0x60/0x160 [ 29.505086][ T712] ? __rcu_read_lock+0x30/0x70 [ 29.505088][ T712] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.505090][ T712] ? vprintk_emit+0x320/0x3e0 [ 29.505092][ T712] vprintk_emit+0x37c/0x3e0 [ 29.505094][ T712] ? wake_up_klogd_work_func+0x90/0x90 [ 29.505096][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505098][ T712] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.505100][ T712] ? trace_hardirqs_on+0x36/0x40 [ 29.505102][ T712] _printk+0xc7/0x100 [ 29.505105][ T712] ? snapshot_read.cold+0x21/0x21 [ 29.505107][ T712] ? ipv6_mc_down+0x17e/0x2d0 [ 29.505112][ T712] br_set_state+0x22f/0x430 [bridge] [ 29.505124][ T712] br_stp_disable_port+0x11f/0x390 [bridge] [ 29.505132][ T712] br_device_event+0x7b5/0x8f0 [bridge] [ 29.505140][ T712] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 29.505144][ T712] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 29.505146][ T712] ? addrconf_notify+0x2c8/0xf30 [ 29.505149][ T712] notifier_call_chain+0xae/0x300 [ 29.505152][ T712] __dev_notify_flags+0x23c/0x3c0 [ 29.505156][ T712] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.505157][ T712] ? netif_change_name+0x8c0/0x8c0 [ 29.505159][ T712] ? netif_set_allmulti+0x250/0x250 [ 29.505161][ T712] ? __kernel_text_address+0x12/0x30 [ 29.505163][ T712] ? write_profile+0xf0/0xf0 [ 29.505165][ T712] ? unwind_get_return_address+0x67/0xd0 [ 29.505168][ T712] netif_change_flags+0xfe/0x190 [ 29.505170][ T712] do_setlink.isra.0+0x1cc3/0x2750 [ 29.505175][ T712] ? stack_trace_save+0x93/0xc0 [ 29.505177][ T712] ? rtnl_link_get_size+0x350/0x350 [ 29.505178][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505180][ T712] ? stack_depot_save_flags+0x1bc/0x790 [ 29.505184][ T712] ? kasan_save_stack+0x3d/0x50 [ 29.505187][ T712] ? kasan_save_stack+0x2f/0x50 [ 29.505188][ T712] ? kasan_save_track+0x14/0x30 [ 29.505190][ T712] ? __kasan_kmalloc+0x7b/0x90 [ 29.505191][ T712] ? __kmalloc_cache_noprof+0x29a/0x620 [ 29.505193][ T712] ? rtnl_newlink+0x124/0x11c0 [ 29.505194][ T712] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.505195][ T712] ? netlink_rcv_skb+0x14e/0x3a0 [ 29.505198][ T712] ? netlink_unicast+0x486/0x750 [ 29.505199][ T712] ? netlink_sendmsg+0x735/0xc60 [ 29.505200][ T712] ? ____sys_sendmsg+0x415/0x880 [ 29.505203][ T712] ? ___sys_sendmsg+0x14e/0x1d0 [ 29.505204][ T712] ? __sys_sendmsg+0x12c/0x1d0 [ 29.505206][ T712] ? do_syscall_64+0xff/0x530 [ 29.505208][ T712] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.505210][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505212][ T712] ? lock_acquire+0x13c/0x160 [ 29.505214][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505215][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505217][ T712] ? trace_contention_end+0xb3/0x180 [ 29.505220][ T712] ? __mutex_lock+0x1db/0x1ea0 [ 29.505221][ T712] ? __mutex_lock+0x9a3/0x1ea0 [ 29.505223][ T712] ? rtnl_newlink+0x9a8/0x11c0 [ 29.505224][ T712] ? ww_mutex_lock+0x160/0x160 [ 29.505227][ T712] ? __rtnl_newlink+0x3fa/0xa50 [ 29.505229][ T712] rtnl_newlink+0x9f1/0x11c0 [ 29.505231][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505233][ T712] ? rtnl_bridge_getlink+0x850/0x850 [ 29.505234][ T712] ? lock_acquire+0x13c/0x160 [ 29.505235][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505237][ T712] ? is_bpf_text_address+0x3e/0x110 [ 29.505240][ T712] ? is_bpf_text_address+0x72/0x110 [ 29.505242][ T712] ? kernel_text_address+0x149/0x170 [ 29.505243][ T712] ? __kernel_text_address+0x12/0x30 [ 29.505244][ T712] ? write_profile+0xf0/0xf0 [ 29.505246][ T712] ? unwind_get_return_address+0x67/0xd0 [ 29.505247][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505248][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505250][ T712] ? cap_capable+0x1d7/0x3d0 [ 29.505254][ T712] ? lock_acquire+0x13c/0x160 [ 29.505255][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505257][ T712] ? rtnl_bridge_getlink+0x850/0x850 [ 29.505258][ T712] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.505260][ T712] ? rtnl_link_fill+0x920/0x920 [ 29.505261][ T712] ? filter_irq_stacks+0xd0/0xd0 [ 29.505262][ T712] ? stack_depot_save_flags+0x1bc/0x790 [ 29.505265][ T712] netlink_rcv_skb+0x14e/0x3a0 [ 29.505266][ T712] ? rtnl_link_fill+0x920/0x920 [ 29.505268][ T712] ? lock_release+0x184/0x1f0 [ 29.505269][ T712] ? netlink_ack+0xcf0/0xcf0 [ 29.505270][ T712] ? __netlink_lookup+0xb9/0x6b0 [ 29.505273][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505275][ T712] ? lock_release+0x184/0x1f0 [ 29.505276][ T712] netlink_unicast+0x486/0x750 [ 29.505278][ T712] ? netlink_attachskb+0x810/0x810 [ 29.505280][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505282][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505283][ T712] ? lock_acquire+0x13c/0x160 [ 29.505285][ T712] netlink_sendmsg+0x735/0xc60 [ 29.505287][ T712] ? netlink_unicast+0x750/0x750 [ 29.505289][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505291][ T712] ? lock_release+0x184/0x1f0 [ 29.505292][ T712] ____sys_sendmsg+0x415/0x880 [ 29.505294][ T712] ? copy_msghdr_from_user+0x279/0x420 [ 29.505296][ T712] ? get_timestamp.constprop.0+0x390/0x390 [ 29.505297][ T712] ? move_addr_to_kernel+0x40/0x40 [ 29.505298][ T712] ? filter_irq_stacks+0xd0/0xd0 [ 29.505301][ T712] ___sys_sendmsg+0x14e/0x1d0 [ 29.505303][ T712] ? copy_msghdr_from_user+0x420/0x420 [ 29.505308][ T712] __sys_sendmsg+0x12c/0x1d0 [ 29.505310][ T712] ? __sys_sendmsg_sock+0x20/0x20 [ 29.505313][ T712] ? rcu_is_watching+0x16/0xd0 [ 29.505315][ T712] do_syscall_64+0xff/0x530 [ 29.505316][ T712] ? exc_page_fault+0xee/0x100 [ 29.505318][ T712] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.505320][ T712] RIP: 0033:0x7fdc934c154e [ 29.505322][ T712] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 29.505323][ T712] RSP: 002b:00007ffc580d3290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.505327][ T712] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc934c154e [ 29.505329][ T712] RDX: 0000000000000000 RSI: 00007ffc580d3340 RDI: 0000000000000005 [ 29.505329][ T712] RBP: 00007ffc580d32a0 R08: 0000000000000000 R09: 0000000000000000 [ 29.505330][ T712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac5a [ 29.505331][ T712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc580d3a00 [ 29.505333][ T712] [ 29.538038][ T712] ip (712) used greatest stack depth: 23016 bytes left [ 29.552857][ T714] veth2: left allmulticast mode [ 29.553028][ T714] veth2: left promiscuous mode [ 29.553255][ T714] br1: port 2(veth2) entered disabled state [ 29.581061][ T716] br1: port 1(veth1) entered disabled state [ 29.602523][ T718] veth1: left allmulticast mode [ 29.602689][ T718] veth1: left promiscuous mode [ 29.602895][ T718] br1: port 1(veth1) entered disabled state