[ 11.792748][ T262] br1: port 1(veth1) entered blocking state [ 11.792818][ T262] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.792820][ T262] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 262, name: ip [ 11.792822][ T262] preempt_count: 1, expected: 0 [ 11.792823][ T262] RCU nest depth: 0, expected: 0 [ 11.792824][ T262] locks held by ip/262: 5, last CPU#0: [ 11.792826][ T262] #0: ffffffffb86d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 11.792838][ T262] #1: ffffffffb7f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.792844][ T262] #2: ffffffffb7f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.792848][ T262] #3: ffffffffb7e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.792852][ T262] #4: ffffffffb7e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.792856][ T262] irq event stamp: 26306 [ 11.792856][ T262] hardirqs last enabled at (26305): [] __down_trylock_console_sem+0x86/0xa0 [ 11.792859][ T262] hardirqs last disabled at (26306): [] console_emit_next_record+0x3d4/0x4c0 [ 11.792861][ T262] softirqs last enabled at (26216): [] __alloc_skb+0x4c2/0x5f0 [ 11.792864][ T262] softirqs last disabled at (26214): [] __alloc_skb+0x4c2/0x5f0 [ 11.792867][ T262] Preemption disabled at: [ 11.792867][ T262] [] vprintk_emit+0x31b/0x3e0 [ 11.792873][ T262] CPU: 0 UID: 0 PID: 262 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.792876][ T262] Tainted: [W]=WARN [ 11.792877][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.792879][ T262] Call Trace: [ 11.792881][ T262] [ 11.792882][ T262] dump_stack_lvl+0x6f/0xa0 [ 11.792888][ T262] ? vprintk_emit+0x31b/0x3e0 [ 11.792891][ T262] __might_resched.cold+0x1fe/0x2c1 [ 11.792895][ T262] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.792900][ T262] ? __kmalloc_noprof+0xdb/0x760 [ 11.792905][ T262] __kmalloc_noprof+0x443/0x760 [ 11.792907][ T262] ? alloc_buf.isra.0+0x4b/0x260 [ 11.792913][ T262] ? do_raw_spin_unlock+0x59/0x250 [ 11.792915][ T262] alloc_buf.isra.0+0x4b/0x260 [ 11.792919][ T262] put_chars+0x1e1/0x2f0 [ 11.792921][ T262] ? __send_to_port+0x420/0x420 [ 11.792926][ T262] ? validate_chain+0x34a/0xc20 [ 11.792929][ T262] hvc_console_print+0x292/0x780 [ 11.792933][ T262] ? mark_usage+0x61/0x170 [ 11.792934][ T262] ? __lock_acquire+0x518/0xc20 [ 11.792936][ T262] ? __lock_acquire+0x518/0xc20 [ 11.792940][ T262] ? hvc_write+0x3a0/0x3a0 [ 11.792942][ T262] ? console_emit_next_record+0x1df/0x4c0 [ 11.792946][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.792950][ T262] ? lock_acquire+0x13c/0x160 [ 11.792954][ T262] console_emit_next_record+0x22f/0x4c0 [ 11.792965][ T262] ? devkmsg_read+0x4b0/0x4b0 [ 11.792967][ T262] ? console_flush_one_record+0x106/0x710 [ 11.792970][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.792973][ T262] ? lock_acquire+0x13c/0x160 [ 11.792977][ T262] console_flush_one_record+0x46f/0x710 [ 11.792981][ T262] ? console_emit_next_record+0x4c0/0x4c0 [ 11.792983][ T262] ? __lock_acquire+0x518/0xc20 [ 11.792988][ T262] console_unlock+0xee/0x1f0 [ 11.792991][ T262] ? console_flush_one_record+0x710/0x710 [ 11.792992][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.792995][ T262] ? lock_acquire+0x60/0x160 [ 11.792998][ T262] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.793000][ T262] ? vprintk_emit+0x320/0x3e0 [ 11.793003][ T262] vprintk_emit+0x37c/0x3e0 [ 11.793007][ T262] ? wake_up_klogd_work_func+0x90/0x90 [ 11.793010][ T262] ? __lock_release.isra.0+0x69/0x1a0 [ 11.793011][ T262] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.793016][ T262] ? mark_held_locks+0x40/0x70 [ 11.793019][ T262] _printk+0xc7/0x100 [ 11.793023][ T262] ? snapshot_read.cold+0x21/0x21 [ 11.793027][ T262] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 11.793040][ T262] ? do_setlink.isra.0+0xa31/0x2750 [ 11.793042][ T262] ? rtnl_newlink+0x9f1/0x11c0 [ 11.793043][ T262] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.793047][ T262] br_set_state+0x22f/0x430 [bridge] [ 11.793058][ T262] br_init_port+0xc4/0x200 [bridge] [ 11.793067][ T262] new_nbp+0x39c/0x580 [bridge] [ 11.793076][ T262] br_add_if+0x212/0x1320 [bridge] [ 11.793083][ T262] ? is_bpf_text_address+0x72/0x110 [ 11.793087][ T262] ? kernel_text_address+0x149/0x170 [ 11.793090][ T262] ? __kernel_text_address+0x12/0x30 [ 11.793094][ T262] do_set_master+0x357/0x580 [ 11.793099][ T262] do_setlink.isra.0+0xa31/0x2750 [ 11.793102][ T262] ? stack_trace_save+0x93/0xc0 [ 11.793105][ T262] ? rtnl_link_get_size+0x350/0x350 [ 11.793106][ T262] ? rcu_read_lock_any_held+0x66/0x90 [ 11.793109][ T262] ? stack_depot_save_flags+0x38e/0x790 [ 11.793112][ T262] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.793115][ T262] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.793117][ T262] ? validate_chain+0x38b/0xc20 [ 11.793119][ T262] ? kasan_save_stack+0x3d/0x50 [ 11.793123][ T262] ? kasan_save_stack+0x2f/0x50 [ 11.793124][ T262] ? kasan_save_track+0x14/0x30 [ 11.793127][ T262] ? __lock_acquire+0x518/0xc20 [ 11.793129][ T262] ? netlink_seq_next+0x4e/0x60 [ 11.793132][ T262] ? ___sys_sendmsg+0xb0/0x1d0 [ 11.793136][ T262] ? lock_acquire.part.0+0xd4/0x280 [ 11.793138][ T262] ? rtnl_newlink+0x9a8/0x11c0 [ 11.793141][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.793143][ T262] ? lock_acquire+0x13c/0x160 [ 11.793145][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.793146][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.793149][ T262] ? trace_contention_end+0xb3/0x180 [ 11.793153][ T262] ? __mutex_lock+0x1db/0x1ea0 [ 11.793154][ T262] ? __mutex_lock+0x9a3/0x1ea0 [ 11.793156][ T262] ? rtnl_newlink+0x9a8/0x11c0 [ 11.793160][ T262] ? ww_mutex_lock+0x160/0x160 [ 11.793161][ T262] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.793166][ T262] ? __rtnl_newlink+0x3fa/0xa50 [ 11.793171][ T262] rtnl_newlink+0x9f1/0x11c0 [ 11.793177][ T262] ? rtnl_bridge_getlink+0x850/0x850 [ 11.793179][ T262] ? __lock_acquire+0x518/0xc20 [ 11.793183][ T262] ? lock_acquire.part.0+0xd4/0x280 [ 11.793185][ T262] ? find_held_lock+0x2b/0x80 [ 11.793187][ T262] ? rtnl_bridge_getlink+0x850/0x850 [ 11.793189][ T262] ? __lock_release.isra.0+0x69/0x1a0 [ 11.793192][ T262] ? rtnl_bridge_getlink+0x850/0x850 [ 11.793195][ T262] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.793198][ T262] ? rtnl_link_fill+0x920/0x920 [ 11.793199][ T262] ? __lock_acquire+0x518/0xc20 [ 11.793203][ T262] ? lock_acquire.part.0+0xd4/0x280 [ 11.793205][ T262] ? find_held_lock+0x2b/0x80 [ 11.793208][ T262] netlink_rcv_skb+0x14e/0x3a0 [ 11.793210][ T262] ? rtnl_link_fill+0x920/0x920 [ 11.793213][ T262] ? netlink_ack+0xcf0/0xcf0 [ 11.793219][ T262] ? netlink_deliver_tap+0xc5/0x330 [ 11.793221][ T262] ? netlink_deliver_tap+0x13c/0x330 [ 11.793225][ T262] netlink_unicast+0x486/0x750 [ 11.793229][ T262] ? netlink_attachskb+0x810/0x810 [ 11.793231][ T262] ? __lock_acquire+0x518/0xc20 [ 11.793235][ T262] netlink_sendmsg+0x735/0xc60 [ 11.793239][ T262] ? netlink_unicast+0x750/0x750 [ 11.793243][ T262] ? __might_fault+0x97/0x140 [ 11.793249][ T262] ____sys_sendmsg+0x415/0x880 [ 11.793251][ T262] ? copy_msghdr_from_user+0x279/0x420 [ 11.793253][ T262] ? get_timestamp.constprop.0+0x390/0x390 [ 11.793255][ T262] ? move_addr_to_kernel+0x40/0x40 [ 11.793262][ T262] ___sys_sendmsg+0x14e/0x1d0 [ 11.793265][ T262] ? copy_msghdr_from_user+0x420/0x420 [ 11.793280][ T262] __sys_sendmsg+0x12c/0x1d0 [ 11.793283][ T262] ? __sys_sendmsg_sock+0x20/0x20 [ 11.793289][ T262] ? rcu_is_watching+0x16/0xd0 [ 11.793293][ T262] do_syscall_64+0xff/0x530 [ 11.793296][ T262] ? exc_page_fault+0xee/0x100 [ 11.793299][ T262] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.793301][ T262] RIP: 0033:0x7fb4181bd54e [ 11.793305][ 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 [ 11.793307][ T262] RSP: 002b:00007fff6a0a5260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.793309][ T262] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb4181bd54e [ 11.793311][ T262] RDX: 0000000000000000 RSI: 00007fff6a0a5310 RDI: 0000000000000005 [ 11.793312][ T262] RBP: 00007fff6a0a5270 R08: 0000000000000000 R09: 0000000000000000 [ 11.793312][ T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbc3 [ 11.793313][ T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6a0a59d0 [ 11.793320][ T262] [ 11.831775][ T262] br1: port 1(veth1) entered disabled state [ 11.832153][ T262] veth1: entered allmulticast mode [ 11.833773][ T262] veth1: entered promiscuous mode [ 11.840678][ T262] ip (262) used greatest stack depth: 23336 bytes left [ 11.929997][ T38] br1: port 1(veth1) entered blocking state [ 11.930442][ T38] br1: port 1(veth1) entered forwarding state [ 11.980655][ T275] br1: port 2(veth2) entered blocking state [ 11.981016][ T275] br1: port 2(veth2) entered disabled state [ 11.981385][ T275] veth2: entered allmulticast mode [ 11.983468][ T275] veth2: entered promiscuous mode [ 12.098442][ T46] br1: port 2(veth2) entered blocking state [ 12.099016][ T46] br1: port 2(veth2) entered forwarding state [ 27.006536][ C2] [ 27.006551][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.006554][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/2 [ 27.006555][ C2] preempt_count: 104, expected: 0 [ 27.006556][ C2] RCU nest depth: 0, expected: 0 [ 27.006557][ C2] INFO: lockdep is turned off. [ 27.006558][ C2] irq event stamp: 1006422 [ 27.006559][ C2] hardirqs last enabled at (1006422): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.006568][ C2] hardirqs last disabled at (1006421): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.006570][ C2] softirqs last enabled at (1006400): [] handle_softirqs+0x67c/0x900 [ 27.006574][ C2] softirqs last disabled at (1006419): [] __irq_exit_rcu+0x145/0x1c0 [ 27.006576][ C2] Preemption disabled at: [ 27.006577][ C2] [<0000000000000000>] 0x0 [ 27.006583][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.006586][ C2] Tainted: [W]=WARN [ 27.006587][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.006589][ C2] Call Trace: [ 27.006591][ C2] [ 27.006592][ C2] dump_stack_lvl+0x6f/0xa0 [ 27.006598][ C2] __might_resched.cold+0x1fe/0x2c1 [ 27.006602][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.006605][ C2] ? __asan_memcpy+0x3c/0x60 [ 27.006608][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006612][ C2] __kmalloc_noprof+0x443/0x760 [ 27.006615][ C2] ? __rwlock_init+0x150/0x150 [ 27.006618][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 27.006621][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 27.006623][ C2] alloc_buf.isra.0+0x4b/0x260 [ 27.006625][ C2] put_chars+0x1e1/0x2f0 [ 27.006627][ C2] ? __send_to_port+0x420/0x420 [ 27.006628][ C2] ? console_prepend_replay+0x20/0x20 [ 27.006632][ C2] hvc_console_print+0x292/0x780 [ 27.006635][ C2] ? hvc_write+0x3a0/0x3a0 [ 27.006637][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006639][ C2] ? lock_acquire+0x13c/0x160 [ 27.006641][ C2] console_emit_next_record+0x22f/0x4c0 [ 27.006643][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 27.006645][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006647][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006648][ C2] ? lock_acquire+0x13c/0x160 [ 27.006650][ C2] ? console_flush_one_record+0x111/0x710 [ 27.006652][ C2] console_flush_one_record+0x46f/0x710 [ 27.006654][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 27.006656][ C2] console_unlock+0xee/0x1f0 [ 27.006658][ C2] ? lock_acquire+0x13c/0x160 [ 27.006660][ C2] ? console_flush_one_record+0x710/0x710 [ 27.006662][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006663][ C2] ? lock_release+0x184/0x1f0 [ 27.006665][ C2] ? lock_acquire+0x60/0x160 [ 27.006666][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.006668][ C2] ? vprintk_emit+0x320/0x3e0 [ 27.006670][ C2] vprintk_emit+0x37c/0x3e0 [ 27.006673][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 27.006674][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.006686][ C2] ? lock_release+0x184/0x1f0 [ 27.006688][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.006694][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.006701][ C2] ? is_module_text_address+0x154/0x250 [ 27.006704][ C2] _printk+0xc7/0x100 [ 27.006708][ C2] ? snapshot_read.cold+0x21/0x21 [ 27.006709][ C2] ? arch_stack_walk+0xd7/0x130 [ 27.006713][ C2] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.006716][ C2] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.006717][ C2] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.006720][ C2] mark_lock_irq+0x989/0x9c0 [ 27.006722][ C2] mark_lock+0x1d7/0xa00 [ 27.006724][ C2] mark_usage+0x42/0x170 [ 27.006726][ C2] __lock_acquire+0x388/0xc20 [ 27.006728][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.006729][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.006736][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006738][ C2] ? lock_acquire+0x13c/0x160 [ 27.006739][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.006745][ C2] _raw_spin_lock+0x33/0x40 [ 27.006747][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.006753][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.006759][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.006765][ C2] call_timer_fn+0x160/0x4d0 [ 27.006768][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 27.006770][ C2] ? debug_object_active_state+0x430/0x430 [ 27.006774][ C2] ? find_held_lock+0x2b/0x80 [ 27.006775][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.006777][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006779][ C2] __run_timers+0x68f/0xaa0 [ 27.006781][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.006788][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.006790][ C2] ? __lock_acquire+0x518/0xc20 [ 27.006792][ C2] ? __rwlock_init+0x150/0x150 [ 27.006795][ C2] run_timer_softirq+0xf0/0x160 [ 27.006796][ C2] ? __run_timers+0xaa0/0xaa0 [ 27.006798][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.006800][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006802][ C2] handle_softirqs+0x1d3/0x900 [ 27.006804][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.006806][ C2] ? _local_bh_enable+0xc0/0xc0 [ 27.006807][ C2] __irq_exit_rcu+0x145/0x1c0 [ 27.006809][ C2] irq_exit_rcu+0xe/0x30 [ 27.006810][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.006813][ C2] [ 27.006814][ C2] [ 27.006814][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 27.006816][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.006818][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.006820][ C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 [ 27.006822][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 27.006825][ C2] RAX: 00000000000f5b51 RBX: ff11000001bec6c0 RCX: ffffffffb4cf0307 [ 27.006827][ C2] RDX: ff11000001bec6c0 RSI: ffffffffb7a38b1c RDI: ffffffffb748d8e0 [ 27.006828][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.006829][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 27.006829][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 27.006831][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.006834][ C2] default_idle+0x9/0x10 [ 27.006836][ C2] default_idle_call+0x6e/0xb0 [ 27.006838][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.006848][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 27.006850][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 27.006852][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.006853][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.006855][ C2] do_idle+0xd8/0x190 [ 27.006856][ C2] cpu_startup_entry+0x53/0x70 [ 27.006858][ C2] start_secondary+0x204/0x2b0 [ 27.006860][ C2] ? set_cpu_sibling_map+0x2130/0x2130 [ 27.006862][ C2] common_startup_64+0x13e/0x148 [ 27.006866][ C2] [ 27.029794][ C2] ======================================================== [ 27.030044][ C2] WARNING: possible irq lock inversion dependency detected [ 27.030288][ C2] 7.2.0-virtme #1 Tainted: G W [ 27.034522][ C2] -------------------------------------------------------- [ 27.034769][ C2] swapper/2/0 just changed the state of lock: [ 27.034984][ C2] ff1100000b502e58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.035320][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.035564][ C2] (fs_reclaim){+.+.}-{0:0} [ 27.035566][ C2] [ 27.035566][ C2] [ 27.035566][ C2] and interrupts could create inverse lock ordering between them. [ 27.035566][ C2] [ 27.036160][ C2] [ 27.036160][ C2] other info that might help us debug this: [ 27.036467][ C2] Chain exists of: [ 27.036467][ C2] &br->lock --> console_owner --> fs_reclaim [ 27.036467][ C2] [ 27.036816][ C2] Possible interrupt unsafe locking scenario: [ 27.036816][ C2] [ 27.037064][ C2] CPU0 CPU1 [ 27.037266][ C2] ---- ---- [ 27.037402][ C2] lock(fs_reclaim); [ 27.037504][ C2] local_irq_disable(); [ 27.037717][ C2] lock(&br->lock); [ 27.037936][ C2] lock(console_owner); [ 27.038181][ C2] [ 27.038382][ C2] lock(&br->lock); [ 27.038520][ C2] [ 27.038520][ C2] *** DEADLOCK *** [ 27.038520][ C2] [ 27.038849][ C2] locks held by swapper/2/0: 1, last CPU#2: [ 27.039069][ C2] #0: ffa0000000228c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.039494][ C2] [ 27.039494][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 27.039860][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 27.040106][ C2] HARDIRQ-ON-W at: [ 27.040242][ C2] __lock_acquire+0x388/0xc20 [ 27.040531][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.040755][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.041049][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 27.041378][ C2] kthread_create_worker_on_node+0xea/0x210 [ 27.041705][ C2] workqueue_init+0x2a/0x680 [ 27.041937][ C2] kernel_init_freeable+0x2fe/0x630 [ 27.042266][ C2] kernel_init+0x21/0x150 [ 27.042550][ C2] ret_from_fork+0x474/0x6b0 [ 27.042774][ C2] ret_from_fork_asm+0x11/0x20 [ 27.043063][ C2] SOFTIRQ-ON-W at: [ 27.043196][ C2] __lock_acquire+0x388/0xc20 [ 27.043479][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.043700][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.043986][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 27.044317][ C2] kthread_create_worker_on_node+0xea/0x210 [ 27.044649][ C2] workqueue_init+0x2a/0x680 [ 27.044875][ C2] kernel_init_freeable+0x2fe/0x630 [ 27.045248][ C2] kernel_init+0x21/0x150 [ 27.045562][ C2] ret_from_fork+0x474/0x6b0 [ 27.045788][ C2] ret_from_fork_asm+0x11/0x20 [ 27.046012][ C2] INITIAL USE at: [ 27.046118][ C2] __lock_acquire+0x388/0xc20 [ 27.046332][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.046503][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.046723][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 27.046976][ C2] kthread_create_worker_on_node+0xea/0x210 [ 27.047223][ C2] workqueue_init+0x2a/0x680 [ 27.047407][ C2] kernel_init_freeable+0x2fe/0x630 [ 27.047630][ C2] kernel_init+0x21/0x150 [ 27.047797][ C2] ret_from_fork+0x474/0x6b0 [ 27.048018][ C2] ret_from_fork_asm+0x11/0x20 [ 27.048256][ C2] } [ 27.048325][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.048578][ C2] ... acquired at: [ 27.048681][ C2] __lock_acquire+0x518/0xc20 [ 27.048868][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.049005][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.049182][ C2] __kmalloc_noprof+0xd3/0x760 [ 27.049318][ C2] alloc_buf.isra.0+0x4b/0x260 [ 27.049496][ C2] put_chars+0x1e1/0x2f0 [ 27.049629][ C2] hvc_console_print+0x292/0x780 [ 27.049808][ C2] console_emit_next_record+0x22f/0x4c0 [ 27.049953][ C2] console_flush_one_record+0x46f/0x710 [ 27.050133][ C2] console_unlock+0xee/0x1f0 [ 27.050265][ C2] vprintk_emit+0x37c/0x3e0 [ 27.050446][ C2] _printk+0xc7/0x100 [ 27.050550][ C2] dm_interface_init+0x50/0x60 [ 27.050683][ C2] dm_init+0x51/0xd0 [ 27.050826][ C2] do_one_initcall+0x124/0x4f0 [ 27.050966][ C2] kernel_init_freeable+0x596/0x630 [ 27.051151][ C2] kernel_init+0x21/0x150 [ 27.051287][ C2] ret_from_fork+0x474/0x6b0 [ 27.051468][ C2] ret_from_fork_asm+0x11/0x20 [ 27.051598][ C2] [ 27.051709][ C2] -> (console_owner){....}-{0:0} { [ 27.051853][ C2] INITIAL USE at: [ 27.051953][ C2] } [ 27.052066][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.052264][ C2] ... acquired at: [ 27.052405][ C2] __lock_acquire+0x518/0xc20 [ 27.052543][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.052717][ C2] console_lock_spinning_enable+0x5c/0x60 [ 27.052886][ C2] console_emit_next_record+0x1d1/0x4c0 [ 27.053063][ C2] console_flush_one_record+0x46f/0x710 [ 27.053195][ C2] console_unlock+0xee/0x1f0 [ 27.053377][ C2] vprintk_emit+0x37c/0x3e0 [ 27.053516][ C2] _printk+0xc7/0x100 [ 27.053659][ C2] br_set_state+0x22f/0x430 [bridge] [ 27.053802][ C2] br_init_port+0xc4/0x200 [bridge] [ 27.053990][ C2] br_stp_enable_port+0x12/0x50 [bridge] [ 27.054158][ C2] br_port_carrier_check+0x220/0x430 [bridge] [ 27.054376][ C2] br_device_event+0x52d/0x8f0 [bridge] [ 27.054566][ C2] notifier_call_chain+0xae/0x300 [ 27.054698][ C2] netif_state_change+0x139/0x340 [ 27.054882][ C2] __linkwatch_run_queue+0x34c/0x750 [ 27.055017][ C2] linkwatch_event+0x7f/0xb0 [ 27.055191][ C2] process_one_work+0xe3e/0x1560 [ 27.055322][ C2] worker_thread+0x4f1/0xd60 [ 27.055505][ C2] kthread+0x367/0x460 [ 27.055608][ C2] ret_from_fork+0x474/0x6b0 [ 27.055740][ C2] ret_from_fork_asm+0x11/0x20 [ 27.055925][ C2] [ 27.055990][ C2] -> (&br->lock){+.-.}-{3:3} { [ 27.056170][ C2] HARDIRQ-ON-W at: [ 27.056270][ C2] __lock_acquire+0x388/0xc20 [ 27.056484][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.056651][ C2] _raw_spin_lock_bh+0x38/0x50 [ 27.056936][ C2] br_set_ageing_time+0x2d/0xf0 [bridge] [ 27.057213][ C2] br_changelink+0x240/0x16e0 [bridge] [ 27.057399][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 27.057633][ C2] rtnl_newlink_create+0x2d0/0x750 [ 27.057852][ C2] __rtnl_newlink+0x22b/0xa50 [ 27.058021][ C2] rtnl_newlink+0x9f1/0x11c0 [ 27.058234][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.058402][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 27.058616][ C2] netlink_unicast+0x486/0x750 [ 27.058828][ C2] netlink_sendmsg+0x735/0xc60 [ 27.059005][ C2] ____sys_sendmsg+0x415/0x880 [ 27.059226][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 27.059438][ C2] __sys_sendmsg+0x12c/0x1d0 [ 27.059618][ C2] do_syscall_64+0xff/0x530 [ 27.059833][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.060104][ C2] IN-SOFTIRQ-W at: [ 27.060206][ C2] __lock_acquire+0x388/0xc20 [ 27.060434][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.060617][ C2] _raw_spin_lock+0x33/0x40 [ 27.060851][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.061105][ C2] call_timer_fn+0x160/0x4d0 [ 27.061275][ C2] __run_timers+0x68f/0xaa0 [ 27.061497][ C2] run_timer_softirq+0xf0/0x160 [ 27.061668][ C2] handle_softirqs+0x1d3/0x900 [ 27.061886][ C2] __irq_exit_rcu+0x145/0x1c0 [ 27.062098][ C2] irq_exit_rcu+0xe/0x30 [ 27.062269][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.062521][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.062768][ C2] pv_native_safe_halt+0xf/0x10 [ 27.062943][ C2] default_idle+0x9/0x10 [ 27.063156][ C2] default_idle_call+0x6e/0xb0 [ 27.063368][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.063571][ C2] do_idle+0xd8/0x190 [ 27.063751][ C2] cpu_startup_entry+0x53/0x70 [ 27.063970][ C2] start_secondary+0x204/0x2b0 [ 27.064139][ C2] common_startup_64+0x13e/0x148 [ 27.064355][ C2] INITIAL USE at: [ 27.064454][ C2] __lock_acquire+0x388/0xc20 [ 27.064669][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.064835][ C2] _raw_spin_lock_bh+0x38/0x50 [ 27.065056][ C2] br_set_ageing_time+0x2d/0xf0 [bridge] [ 27.065306][ C2] br_changelink+0x240/0x16e0 [bridge] [ 27.065479][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 27.065751][ C2] rtnl_newlink_create+0x2d0/0x750 [ 27.066089][ C2] __rtnl_newlink+0x22b/0xa50 [ 27.066325][ C2] rtnl_newlink+0x9f1/0x11c0 [ 27.066543][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.066755][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 27.066932][ C2] netlink_unicast+0x486/0x750 [ 27.067145][ C2] netlink_sendmsg+0x735/0xc60 [ 27.067312][ C2] ____sys_sendmsg+0x415/0x880 [ 27.067532][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 27.067746][ C2] __sys_sendmsg+0x12c/0x1d0 [ 27.067921][ C2] do_syscall_64+0xff/0x530 [ 27.068139][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.068385][ C2] } [ 27.068453][ C2] ... key at: [] __key.7+0x0/0x40 [bridge] [ 27.068707][ C2] ... acquired at: [ 27.068807][ C2] mark_lock+0x1d7/0xa00 [ 27.068991][ C2] mark_usage+0x42/0x170 [ 27.069123][ C2] __lock_acquire+0x388/0xc20 [ 27.069303][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.069435][ C2] _raw_spin_lock+0x33/0x40 [ 27.069616][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.069788][ C2] call_timer_fn+0x160/0x4d0 [ 27.069969][ C2] __run_timers+0x68f/0xaa0 [ 27.070102][ C2] run_timer_softirq+0xf0/0x160 [ 27.070278][ C2] handle_softirqs+0x1d3/0x900 [ 27.070412][ C2] __irq_exit_rcu+0x145/0x1c0 [ 27.070587][ C2] irq_exit_rcu+0xe/0x30 [ 27.070718][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.070932][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.071099][ C2] pv_native_safe_halt+0xf/0x10 [ 27.071279][ C2] default_idle+0x9/0x10 [ 27.071413][ C2] default_idle_call+0x6e/0xb0 [ 27.071594][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.071804][ C2] do_idle+0xd8/0x190 [ 27.071910][ C2] cpu_startup_entry+0x53/0x70 [ 27.072041][ C2] start_secondary+0x204/0x2b0 [ 27.072218][ C2] common_startup_64+0x13e/0x148 [ 27.072353][ C2] [ 27.072464][ C2] [ 27.072464][ C2] stack backtrace: [ 27.072637][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.072641][ C2] Tainted: [W]=WARN [ 27.072642][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.072644][ C2] Call Trace: [ 27.072645][ C2] [ 27.072647][ C2] dump_stack_lvl+0x6f/0xa0 [ 27.072652][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.072655][ C2] mark_lock_irq+0x989/0x9c0 [ 27.072658][ C2] mark_lock+0x1d7/0xa00 [ 27.072660][ C2] mark_usage+0x42/0x170 [ 27.072661][ C2] __lock_acquire+0x388/0xc20 [ 27.072663][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.072665][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.072672][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.072676][ C2] ? lock_acquire+0x13c/0x160 [ 27.072677][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.072683][ C2] _raw_spin_lock+0x33/0x40 [ 27.072685][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.072691][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.072697][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.072703][ C2] call_timer_fn+0x160/0x4d0 [ 27.072705][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 27.072707][ C2] ? debug_object_active_state+0x430/0x430 [ 27.072711][ C2] ? find_held_lock+0x2b/0x80 [ 27.072712][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.072714][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.072716][ C2] __run_timers+0x68f/0xaa0 [ 27.072718][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.072724][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.072726][ C2] ? __lock_acquire+0x518/0xc20 [ 27.072729][ C2] ? __rwlock_init+0x150/0x150 [ 27.072731][ C2] run_timer_softirq+0xf0/0x160 [ 27.072733][ C2] ? __run_timers+0xaa0/0xaa0 [ 27.072735][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.072737][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.072739][ C2] handle_softirqs+0x1d3/0x900 [ 27.072741][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.072742][ C2] ? _local_bh_enable+0xc0/0xc0 [ 27.072744][ C2] __irq_exit_rcu+0x145/0x1c0 [ 27.072746][ C2] irq_exit_rcu+0xe/0x30 [ 27.072747][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.072749][ C2] [ 27.072749][ C2] [ 27.072750][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 27.072752][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.072753][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.072756][ C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 [ 27.072758][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 27.072760][ C2] RAX: 00000000000f5b51 RBX: ff11000001bec6c0 RCX: ffffffffb4cf0307 [ 27.072762][ C2] RDX: ff11000001bec6c0 RSI: ffffffffb7a38b1c RDI: ffffffffb748d8e0 [ 27.072762][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.072763][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 27.072764][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 27.072765][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.072768][ C2] default_idle+0x9/0x10 [ 27.072769][ C2] default_idle_call+0x6e/0xb0 [ 27.072771][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.072772][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 27.072774][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 27.072776][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.072777][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.072779][ C2] do_idle+0xd8/0x190 [ 27.072780][ C2] cpu_startup_entry+0x53/0x70 [ 27.072782][ C2] start_secondary+0x204/0x2b0 [ 27.072783][ C2] ? set_cpu_sibling_map+0x2130/0x2130 [ 27.072785][ C2] common_startup_64+0x13e/0x148 [ 27.072788][ C2] [ 30.036087][ T729] br1: port 2(veth2) entered disabled state [ 30.036106][ T729] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.036108][ T729] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 729, name: ip [ 30.036110][ T729] preempt_count: 202, expected: 0 [ 30.036111][ T729] RCU nest depth: 0, expected: 0 [ 30.036111][ T729] INFO: lockdep is turned off. [ 30.036113][ T729] irq event stamp: 0 [ 30.036114][ T729] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.036119][ T729] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 30.036125][ T729] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 30.036126][ T729] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.036128][ T729] Preemption disabled at: [ 30.036129][ T729] [<0000000000000000>] 0x0 [ 30.036134][ T729] CPU: 0 UID: 0 PID: 729 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.036137][ T729] Tainted: [W]=WARN [ 30.036138][ T729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.036140][ T729] Call Trace: [ 30.036142][ T729] [ 30.036143][ T729] dump_stack_lvl+0x6f/0xa0 [ 30.036149][ T729] __might_resched.cold+0x1fe/0x2c1 [ 30.036152][ T729] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.036156][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036160][ T729] __kmalloc_noprof+0x443/0x760 [ 30.036164][ T729] ? __rwlock_init+0x150/0x150 [ 30.036167][ T729] ? alloc_buf.isra.0+0x4b/0x260 [ 30.036171][ T729] ? do_raw_spin_unlock+0x59/0x250 [ 30.036172][ T729] alloc_buf.isra.0+0x4b/0x260 [ 30.036174][ T729] put_chars+0x1e1/0x2f0 [ 30.036176][ T729] ? __send_to_port+0x420/0x420 [ 30.036178][ T729] ? printk_get_next_message+0x240/0x650 [ 30.036181][ T729] hvc_console_print+0x292/0x780 [ 30.036184][ T729] ? hvc_write+0x3a0/0x3a0 [ 30.036186][ T729] ? __rwlock_init+0x150/0x150 [ 30.036188][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036190][ T729] ? lock_acquire+0x13c/0x160 [ 30.036192][ T729] console_emit_next_record+0x22f/0x4c0 [ 30.036195][ T729] ? devkmsg_read+0x4b0/0x4b0 [ 30.036196][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036198][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036200][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036201][ T729] ? lock_acquire+0x13c/0x160 [ 30.036203][ T729] ? console_flush_one_record+0x111/0x710 [ 30.036205][ T729] console_flush_one_record+0x46f/0x710 [ 30.036207][ T729] ? console_emit_next_record+0x4c0/0x4c0 [ 30.036210][ T729] console_unlock+0xee/0x1f0 [ 30.036211][ T729] ? lock_acquire+0x13c/0x160 [ 30.036213][ T729] ? console_flush_one_record+0x710/0x710 [ 30.036215][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036216][ T729] ? lock_release+0x184/0x1f0 [ 30.036218][ T729] ? lock_acquire+0x60/0x160 [ 30.036219][ T729] ? __rcu_read_lock+0x30/0x70 [ 30.036221][ T729] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.036223][ T729] ? vprintk_emit+0x320/0x3e0 [ 30.036225][ T729] vprintk_emit+0x37c/0x3e0 [ 30.036228][ T729] ? wake_up_klogd_work_func+0x90/0x90 [ 30.036229][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036231][ T729] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.036234][ T729] ? trace_hardirqs_on+0x36/0x40 [ 30.036235][ T729] _printk+0xc7/0x100 [ 30.036238][ T729] ? snapshot_read.cold+0x21/0x21 [ 30.036241][ T729] ? ipv6_mc_down+0x17e/0x2d0 [ 30.036245][ T729] br_set_state+0x22f/0x430 [bridge] [ 30.036258][ T729] br_stp_disable_port+0x11f/0x390 [bridge] [ 30.036267][ T729] br_device_event+0x7b5/0x8f0 [bridge] [ 30.036275][ T729] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 30.036278][ T729] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 30.036281][ T729] ? addrconf_notify+0x2c8/0xf30 [ 30.036284][ T729] notifier_call_chain+0xae/0x300 [ 30.036287][ T729] __dev_notify_flags+0x23c/0x3c0 [ 30.036291][ T729] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.036293][ T729] ? netif_change_name+0x8c0/0x8c0 [ 30.036295][ T729] ? netif_set_allmulti+0x250/0x250 [ 30.036297][ T729] ? __kernel_text_address+0x12/0x30 [ 30.036299][ T729] ? write_profile+0xf0/0xf0 [ 30.036301][ T729] ? unwind_get_return_address+0x67/0xd0 [ 30.036304][ T729] netif_change_flags+0xfe/0x190 [ 30.036306][ T729] do_setlink.isra.0+0x1cc3/0x2750 [ 30.036309][ T729] ? stack_trace_save+0x93/0xc0 [ 30.036311][ T729] ? rtnl_link_get_size+0x350/0x350 [ 30.036312][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036313][ T729] ? stack_depot_save_flags+0x1bc/0x790 [ 30.036317][ T729] ? kasan_save_stack+0x3d/0x50 [ 30.036320][ T729] ? kasan_save_stack+0x2f/0x50 [ 30.036321][ T729] ? kasan_save_track+0x14/0x30 [ 30.036323][ T729] ? __kasan_kmalloc+0x7b/0x90 [ 30.036324][ T729] ? __kmalloc_cache_noprof+0x29a/0x620 [ 30.036326][ T729] ? rtnl_newlink+0x124/0x11c0 [ 30.036327][ T729] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.036328][ T729] ? netlink_rcv_skb+0x14e/0x3a0 [ 30.036331][ T729] ? netlink_unicast+0x486/0x750 [ 30.036332][ T729] ? netlink_sendmsg+0x735/0xc60 [ 30.036333][ T729] ? ____sys_sendmsg+0x415/0x880 [ 30.036336][ T729] ? ___sys_sendmsg+0x14e/0x1d0 [ 30.036337][ T729] ? __sys_sendmsg+0x12c/0x1d0 [ 30.036339][ T729] ? do_syscall_64+0xff/0x530 [ 30.036341][ T729] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.036343][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036345][ T729] ? lock_acquire+0x13c/0x160 [ 30.036346][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036348][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036350][ T729] ? trace_contention_end+0xb3/0x180 [ 30.036353][ T729] ? __mutex_lock+0x1db/0x1ea0 [ 30.036355][ T729] ? __mutex_lock+0x9a3/0x1ea0 [ 30.036356][ T729] ? rtnl_newlink+0x9a8/0x11c0 [ 30.036357][ T729] ? ww_mutex_lock+0x160/0x160 [ 30.036359][ T729] ? __rtnl_newlink+0x3fa/0xa50 [ 30.036361][ T729] rtnl_newlink+0x9f1/0x11c0 [ 30.036363][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036365][ T729] ? rtnl_bridge_getlink+0x850/0x850 [ 30.036366][ T729] ? lock_acquire+0x13c/0x160 [ 30.036368][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036370][ T729] ? is_bpf_text_address+0x3e/0x110 [ 30.036373][ T729] ? is_bpf_text_address+0x72/0x110 [ 30.036375][ T729] ? kernel_text_address+0x149/0x170 [ 30.036376][ T729] ? __kernel_text_address+0x12/0x30 [ 30.036377][ T729] ? write_profile+0xf0/0xf0 [ 30.036379][ T729] ? unwind_get_return_address+0x67/0xd0 [ 30.036380][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036381][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036383][ T729] ? cap_capable+0x1d7/0x3d0 [ 30.036387][ T729] ? lock_acquire+0x13c/0x160 [ 30.036388][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036390][ T729] ? rtnl_bridge_getlink+0x850/0x850 [ 30.036391][ T729] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.036393][ T729] ? rtnl_link_fill+0x920/0x920 [ 30.036394][ T729] ? filter_irq_stacks+0xd0/0xd0 [ 30.036395][ T729] ? stack_depot_save_flags+0x1bc/0x790 [ 30.036398][ T729] netlink_rcv_skb+0x14e/0x3a0 [ 30.036399][ T729] ? rtnl_link_fill+0x920/0x920 [ 30.036401][ T729] ? lock_release+0x184/0x1f0 [ 30.036402][ T729] ? netlink_ack+0xcf0/0xcf0 [ 30.036404][ T729] ? __netlink_lookup+0xb9/0x6b0 [ 30.036406][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036408][ T729] ? lock_release+0x184/0x1f0 [ 30.036410][ T729] netlink_unicast+0x486/0x750 [ 30.036412][ T729] ? netlink_attachskb+0x810/0x810 [ 30.036413][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036415][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036417][ T729] ? lock_acquire+0x13c/0x160 [ 30.036419][ T729] netlink_sendmsg+0x735/0xc60 [ 30.036421][ T729] ? netlink_unicast+0x750/0x750 [ 30.036422][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036424][ T729] ? lock_release+0x184/0x1f0 [ 30.036426][ T729] ____sys_sendmsg+0x415/0x880 [ 30.036428][ T729] ? copy_msghdr_from_user+0x279/0x420 [ 30.036429][ T729] ? get_timestamp.constprop.0+0x390/0x390 [ 30.036431][ T729] ? move_addr_to_kernel+0x40/0x40 [ 30.036432][ T729] ? filter_irq_stacks+0xd0/0xd0 [ 30.036435][ T729] ___sys_sendmsg+0x14e/0x1d0 [ 30.036436][ T729] ? copy_msghdr_from_user+0x420/0x420 [ 30.036441][ T729] __sys_sendmsg+0x12c/0x1d0 [ 30.036443][ T729] ? __sys_sendmsg_sock+0x20/0x20 [ 30.036446][ T729] ? rcu_is_watching+0x16/0xd0 [ 30.036448][ T729] do_syscall_64+0xff/0x530 [ 30.036449][ T729] ? exc_page_fault+0xee/0x100 [ 30.036451][ T729] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.036453][ T729] RIP: 0033:0x7f032188d54e [ 30.036457][ T729] 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 [ 30.036459][ T729] RSP: 002b:00007ffd120a64f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.036462][ T729] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f032188d54e [ 30.036464][ T729] RDX: 0000000000000000 RSI: 00007ffd120a65a0 RDI: 0000000000000005 [ 30.036465][ T729] RBP: 00007ffd120a6500 R08: 0000000000000000 R09: 0000000000000000 [ 30.036465][ T729] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbd5 [ 30.036466][ T729] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd120a6c60 [ 30.036468][ T729] [ 30.063808][ T729] ip (729) used greatest stack depth: 23016 bytes left [ 30.093559][ T731] veth2: left allmulticast mode [ 30.093832][ T731] veth2: left promiscuous mode [ 30.094198][ T731] br1: port 2(veth2) entered disabled state [ 30.115068][ T733] br1: port 1(veth1) entered disabled state [ 30.136396][ T735] veth1: left allmulticast mode [ 30.136557][ T735] veth1: left promiscuous mode [ 30.136760][ T735] br1: port 1(veth1) entered disabled state