[ 10.120908][ T196] ip (196) used greatest stack depth: 24416 bytes left [ 10.120924][ T196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.120927][ T196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 196, name: ip [ 10.120929][ T196] preempt_count: 2, expected: 0 [ 10.120930][ T196] RCU nest depth: 0, expected: 0 [ 10.120931][ T196] locks held by ip/196: 5, last CPU#0: [ 10.120933][ T196] #0: ffffffffb62027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.120946][ T196] #1: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.120952][ T196] #2: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.120956][ T196] #3: ffffffffb6289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.120960][ T196] #4: ffffffffb6289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.120964][ T196] irq event stamp: 29098 [ 10.120965][ T196] hardirqs last enabled at (29097): [] __down_trylock_console_sem+0x86/0xa0 [ 10.120968][ T196] hardirqs last disabled at (29098): [] console_emit_next_record+0x3d4/0x4c0 [ 10.120970][ T196] softirqs last enabled at (28918): [] handle_softirqs+0x67c/0x900 [ 10.120972][ T196] softirqs last disabled at (28909): [] __irq_exit_rcu+0x145/0x1c0 [ 10.120974][ T196] Preemption disabled at: [ 10.120975][ T196] [<0000000000000000>] 0x0 [ 10.120982][ T196] CPU: 0 UID: 0 PID: 196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.120985][ T196] Tainted: [W]=WARN [ 10.120986][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.120988][ T196] Call Trace: [ 10.120990][ T196] [ 10.120991][ T196] dump_stack_lvl+0x6f/0xa0 [ 10.120998][ T196] __might_resched.cold+0x1fe/0x2c1 [ 10.121002][ T196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.121007][ T196] ? __kmalloc_noprof+0xdb/0x760 [ 10.121012][ T196] __kmalloc_noprof+0x443/0x760 [ 10.121014][ T196] ? alloc_buf.isra.0+0x4b/0x260 [ 10.121020][ T196] ? do_raw_spin_unlock+0x59/0x250 [ 10.121028][ T196] alloc_buf.isra.0+0x4b/0x260 [ 10.121031][ T196] put_chars+0x1e1/0x2f0 [ 10.121034][ T196] ? __send_to_port+0x420/0x420 [ 10.121036][ T196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.121041][ T196] ? validate_chain+0x38b/0xc20 [ 10.121046][ T196] hvc_console_print+0x292/0x780 [ 10.121052][ T196] ? hvc_write+0x3a0/0x3a0 [ 10.121055][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.121057][ T196] ? lock_acquire+0x13c/0x160 [ 10.121061][ T196] console_emit_next_record+0x22f/0x4c0 [ 10.121065][ T196] ? devkmsg_read+0x4b0/0x4b0 [ 10.121067][ T196] ? console_flush_one_record+0x106/0x710 [ 10.121070][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.121073][ T196] ? lock_acquire+0x13c/0x160 [ 10.121077][ T196] console_flush_one_record+0x46f/0x710 [ 10.121081][ T196] ? console_emit_next_record+0x4c0/0x4c0 [ 10.121083][ T196] ? __lock_acquire+0x518/0xc20 [ 10.121088][ T196] console_unlock+0xee/0x1f0 [ 10.121091][ T196] ? console_flush_one_record+0x710/0x710 [ 10.121093][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.121095][ T196] ? lock_acquire+0x60/0x160 [ 10.121099][ T196] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.121100][ T196] ? vprintk_emit+0x320/0x3e0 [ 10.121105][ T196] vprintk_emit+0x37c/0x3e0 [ 10.121109][ T196] ? wake_up_klogd_work_func+0x90/0x90 [ 10.121113][ T196] ? __lock_acquire+0x518/0xc20 [ 10.121117][ T196] _printk+0xc7/0x100 [ 10.121120][ T196] ? snapshot_read.cold+0x21/0x21 [ 10.121123][ T196] ? do_raw_spin_lock+0x131/0x280 [ 10.121126][ T196] ? __rwlock_init+0x150/0x150 [ 10.121130][ T196] ? do_raw_spin_lock+0x131/0x280 [ 10.121133][ T196] do_exit.cold+0x82/0x9c [ 10.121136][ T196] ? exit_notify+0x890/0x890 [ 10.121139][ T196] ? __lock_release.isra.0+0x69/0x1a0 [ 10.121142][ T196] ? rcu_is_watching+0x16/0xd0 [ 10.121146][ T196] do_group_exit+0xb8/0x370 [ 10.121149][ T196] __x64_sys_exit_group+0x3c/0x50 [ 10.121151][ T196] x64_sys_call+0x1567/0x1570 [ 10.121153][ T196] do_syscall_64+0xff/0x530 [ 10.121156][ T196] ? exc_page_fault+0xee/0x100 [ 10.121159][ T196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.121162][ T196] RIP: 0033:0x7f4a09b0f1b8 [ 10.121164][ T196] Code: Unable to access opcode bytes at 0x7f4a09b0f18e. [ 10.121165][ T196] RSP: 002b:00007ffec325e808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.121168][ T196] RAX: ffffffffffffffda RBX: 00007f4a09c3ff88 RCX: 00007f4a09b0f1b8 [ 10.121169][ T196] RDX: 00007f4a09859fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.121170][ T196] RBP: 00007ffec325e860 R08: 0000000000000000 R09: 0000000000008010 [ 10.121171][ T196] R10: 00007ffec325e620 R11: 0000000000000246 R12: 0000000000000001 [ 10.121172][ T196] R13: 0000000000000000 R14: 00007f4a09c3e680 R15: 00007f4a09c3ffa0 [ 10.121179][ T196] [ 11.228289][ T239] 8021q: 802.1Q VLAN Support v1.8 [ 11.228310][ T239] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.228312][ T239] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 239, name: modprobe [ 11.228314][ T239] preempt_count: 1, expected: 0 [ 11.228315][ T239] RCU nest depth: 0, expected: 0 [ 11.228316][ T239] locks held by modprobe/239: 4, last CPU#0: [ 11.228319][ T239] #0: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.228331][ T239] #1: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.228335][ T239] #2: ffffffffb6289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.228339][ T239] #3: ffffffffb6289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.228343][ T239] irq event stamp: 23326 [ 11.228344][ T239] hardirqs last enabled at (23325): [] __down_trylock_console_sem+0x86/0xa0 [ 11.228347][ T239] hardirqs last disabled at (23326): [] console_emit_next_record+0x3d4/0x4c0 [ 11.228349][ T239] softirqs last enabled at (19772): [] handle_softirqs+0x67c/0x900 [ 11.228352][ T239] softirqs last disabled at (18835): [] __irq_exit_rcu+0x145/0x1c0 [ 11.228355][ T239] Preemption disabled at: [ 11.228355][ T239] [] vprintk_emit+0x31b/0x3e0 [ 11.228361][ T239] CPU: 0 UID: 0 PID: 239 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.228365][ T239] Tainted: [W]=WARN [ 11.228366][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.228368][ T239] Call Trace: [ 11.228369][ T239] [ 11.228371][ T239] dump_stack_lvl+0x6f/0xa0 [ 11.228376][ T239] ? vprintk_emit+0x31b/0x3e0 [ 11.228378][ T239] __might_resched.cold+0x1fe/0x2c1 [ 11.228383][ T239] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.228387][ T239] ? __kmalloc_noprof+0xdb/0x760 [ 11.228393][ T239] __kmalloc_noprof+0x443/0x760 [ 11.228395][ T239] ? alloc_buf.isra.0+0x4b/0x260 [ 11.228401][ T239] ? do_raw_spin_unlock+0x59/0x250 [ 11.228404][ T239] alloc_buf.isra.0+0x4b/0x260 [ 11.228407][ T239] put_chars+0x1e1/0x2f0 [ 11.228410][ T239] ? __send_to_port+0x420/0x420 [ 11.228411][ T239] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.228416][ T239] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.228418][ T239] ? validate_chain+0x38b/0xc20 [ 11.228423][ T239] hvc_console_print+0x292/0x780 [ 11.228426][ T239] ? __lock_acquire+0x518/0xc20 [ 11.228431][ T239] ? hvc_write+0x3a0/0x3a0 [ 11.228433][ T239] ? rcu_is_watching+0x16/0xd0 [ 11.228438][ T239] console_emit_next_record+0x22f/0x4c0 [ 11.228442][ T239] ? devkmsg_read+0x4b0/0x4b0 [ 11.228444][ T239] ? console_flush_one_record+0x106/0x710 [ 11.228447][ T239] ? rcu_is_watching+0x16/0xd0 [ 11.228450][ T239] ? lock_acquire+0x13c/0x160 [ 11.228454][ T239] console_flush_one_record+0x46f/0x710 [ 11.228458][ T239] ? console_emit_next_record+0x4c0/0x4c0 [ 11.228460][ T239] ? __lock_acquire+0x518/0xc20 [ 11.228465][ T239] console_unlock+0xee/0x1f0 [ 11.228468][ T239] ? console_flush_one_record+0x710/0x710 [ 11.228470][ T239] ? rcu_is_watching+0x16/0xd0 [ 11.228472][ T239] ? lock_acquire+0x60/0x160 [ 11.228476][ T239] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.228477][ T239] ? vprintk_emit+0x320/0x3e0 [ 11.228481][ T239] vprintk_emit+0x37c/0x3e0 [ 11.228485][ T239] ? wake_up_klogd_work_func+0x90/0x90 [ 11.228491][ T239] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 11.228495][ T239] _printk+0xc7/0x100 [ 11.228499][ T239] ? snapshot_read.cold+0x21/0x21 [ 11.228505][ T239] ? do_one_initcall+0x113/0x4f0 [ 11.228508][ T239] vlan_proto_init+0x24/0x90 [8021q] [ 11.228511][ T239] do_one_initcall+0x124/0x4f0 [ 11.228514][ T239] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 11.228518][ T239] ? do_init_module+0xae/0x8a0 [ 11.228521][ T239] ? kasan_unpoison+0x44/0x70 [ 11.228526][ T239] do_init_module+0x2ad/0x8a0 [ 11.228530][ T239] ? lockdep_hardirqs_on+0x91/0x130 [ 11.228534][ T239] ? free_module+0x470/0x470 [ 11.228537][ T239] ? kfree+0x123/0x590 [ 11.228541][ T239] load_module+0x1424/0x1bb0 [ 11.228549][ T239] ? layout_and_allocate.isra.0+0x680/0x680 [ 11.228553][ T239] ? __ia32_sys_fsconfig+0x180/0x180 [ 11.228556][ T239] ? ovl_real_file+0x172/0x1e0 [ 11.228560][ T239] ? backing_file_read_iter+0x541/0x790 [ 11.228563][ T239] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.228568][ T239] init_module_from_file+0x11f/0x1a0 [ 11.228571][ T239] ? __do_sys_init_module+0x220/0x220 [ 11.228580][ T239] ? __rwlock_init+0x150/0x150 [ 11.228584][ T239] ? do_raw_spin_unlock+0x59/0x250 [ 11.228587][ T239] idempotent_init_module+0x37b/0x7c0 [ 11.228591][ T239] ? init_module_from_file+0x1a0/0x1a0 [ 11.228598][ T239] ? rcu_is_watching+0x16/0xd0 [ 11.228600][ T239] ? cap_capable+0x1d7/0x3d0 [ 11.228606][ T239] __x64_sys_finit_module+0xdf/0x190 [ 11.228608][ T239] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.228612][ T239] do_syscall_64+0xff/0x530 [ 11.228614][ T239] ? exc_page_fault+0xee/0x100 [ 11.228617][ T239] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.228619][ T239] RIP: 0033:0x7f7c48b1e37d [ 11.228623][ T239] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 11.228625][ T239] RSP: 002b:00007ffc50d5ea18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.228627][ T239] RAX: ffffffffffffffda RBX: 0000561594bb7810 RCX: 00007f7c48b1e37d [ 11.228629][ T239] RDX: 0000000000000000 RSI: 00005615760fbffd RDI: 0000000000000000 [ 11.228630][ T239] RBP: 00007ffc50d5eab0 R08: 0000000000000000 R09: 0000000000000000 [ 11.228631][ T239] R10: 0000000000000000 R11: 0000000000000246 R12: 00005615760fbffd [ 11.228632][ T239] R13: 0000561594bb7960 R14: 0000000000040000 R15: 0000000000000000 [ 11.228640][ T239] [ 12.595975][ T283] br1: port 1(vx100) entered blocking state [ 12.596154][ T283] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.596156][ T283] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 283, name: ip [ 12.596158][ T283] preempt_count: 1, expected: 0 [ 12.596159][ T283] RCU nest depth: 0, expected: 0 [ 12.596160][ T283] locks held by ip/283: 5, last CPU#0: [ 12.596162][ T283] #0: ffffffffb6ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 12.596174][ T283] #1: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.596180][ T283] #2: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.596184][ T283] #3: ffffffffb6289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.596188][ T283] #4: ffffffffb6289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.596192][ T283] irq event stamp: 12854 [ 12.596192][ T283] hardirqs last enabled at (12853): [] __down_trylock_console_sem+0x86/0xa0 [ 12.596195][ T283] hardirqs last disabled at (12854): [] console_emit_next_record+0x3d4/0x4c0 [ 12.596197][ T283] softirqs last enabled at (12762): [] __alloc_skb+0x4c2/0x5f0 [ 12.596200][ T283] softirqs last disabled at (12760): [] __alloc_skb+0x4c2/0x5f0 [ 12.596203][ T283] Preemption disabled at: [ 12.596203][ T283] [] vprintk_emit+0x31b/0x3e0 [ 12.596209][ T283] CPU: 0 UID: 0 PID: 283 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.596213][ T283] Tainted: [W]=WARN [ 12.596214][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.596216][ T283] Call Trace: [ 12.596218][ T283] [ 12.596219][ T283] dump_stack_lvl+0x6f/0xa0 [ 12.596225][ T283] ? vprintk_emit+0x31b/0x3e0 [ 12.596227][ T283] __might_resched.cold+0x1fe/0x2c1 [ 12.596231][ T283] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.596236][ T283] ? __kmalloc_noprof+0xdb/0x760 [ 12.596241][ T283] __kmalloc_noprof+0x443/0x760 [ 12.596243][ T283] ? alloc_buf.isra.0+0x4b/0x260 [ 12.596249][ T283] ? do_raw_spin_unlock+0x59/0x250 [ 12.596251][ T283] alloc_buf.isra.0+0x4b/0x260 [ 12.596254][ T283] put_chars+0x1e1/0x2f0 [ 12.596257][ T283] ? __send_to_port+0x420/0x420 [ 12.596262][ T283] ? validate_chain+0x34a/0xc20 [ 12.596265][ T283] hvc_console_print+0x292/0x780 [ 12.596268][ T283] ? mark_usage+0x61/0x170 [ 12.596270][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596272][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596275][ T283] ? hvc_write+0x3a0/0x3a0 [ 12.596277][ T283] ? console_emit_next_record+0x1df/0x4c0 [ 12.596281][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596285][ T283] ? lock_acquire+0x13c/0x160 [ 12.596289][ T283] console_emit_next_record+0x22f/0x4c0 [ 12.596292][ T283] ? devkmsg_read+0x4b0/0x4b0 [ 12.596294][ T283] ? console_flush_one_record+0x106/0x710 [ 12.596297][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596300][ T283] ? lock_acquire+0x13c/0x160 [ 12.596304][ T283] console_flush_one_record+0x46f/0x710 [ 12.596308][ T283] ? console_emit_next_record+0x4c0/0x4c0 [ 12.596310][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596315][ T283] console_unlock+0xee/0x1f0 [ 12.596317][ T283] ? console_flush_one_record+0x710/0x710 [ 12.596319][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596322][ T283] ? lock_acquire+0x60/0x160 [ 12.596325][ T283] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.596327][ T283] ? vprintk_emit+0x320/0x3e0 [ 12.596330][ T283] vprintk_emit+0x37c/0x3e0 [ 12.596335][ T283] ? wake_up_klogd_work_func+0x90/0x90 [ 12.596337][ T283] ? __lock_release.isra.0+0x69/0x1a0 [ 12.596339][ T283] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.596343][ T283] ? mark_held_locks+0x40/0x70 [ 12.596347][ T283] _printk+0xc7/0x100 [ 12.596350][ T283] ? snapshot_read.cold+0x21/0x21 [ 12.596354][ T283] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 12.596367][ T283] ? do_setlink.isra.0+0xa31/0x2750 [ 12.596368][ T283] ? rtnl_newlink+0x9f1/0x11c0 [ 12.596369][ T283] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.596374][ T283] br_set_state+0x22f/0x430 [bridge] [ 12.596384][ T283] br_init_port+0xc4/0x200 [bridge] [ 12.596392][ T283] new_nbp+0x39c/0x580 [bridge] [ 12.596403][ T283] br_add_if+0x212/0x1320 [bridge] [ 12.596410][ T283] ? is_bpf_text_address+0x72/0x110 [ 12.596415][ T283] ? kernel_text_address+0x149/0x170 [ 12.596418][ T283] ? __kernel_text_address+0x12/0x30 [ 12.596421][ T283] do_set_master+0x357/0x580 [ 12.596426][ T283] do_setlink.isra.0+0xa31/0x2750 [ 12.596429][ T283] ? stack_trace_save+0x93/0xc0 [ 12.596432][ T283] ? rtnl_link_get_size+0x350/0x350 [ 12.596434][ T283] ? rcu_read_lock_any_held+0x66/0x90 [ 12.596436][ T283] ? stack_depot_save_flags+0x38e/0x790 [ 12.596440][ T283] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.596442][ T283] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.596444][ T283] ? validate_chain+0x38b/0xc20 [ 12.596447][ T283] ? kasan_save_stack+0x3d/0x50 [ 12.596450][ T283] ? kasan_save_stack+0x2f/0x50 [ 12.596451][ T283] ? kasan_save_track+0x14/0x30 [ 12.596454][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596456][ T283] ? netlink_seq_next+0x4e/0x60 [ 12.596459][ T283] ? ___sys_sendmsg+0xb0/0x1d0 [ 12.596464][ T283] ? lock_acquire.part.0+0xd4/0x280 [ 12.596466][ T283] ? rtnl_newlink+0x9a8/0x11c0 [ 12.596468][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596470][ T283] ? lock_acquire+0x13c/0x160 [ 12.596472][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596474][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596476][ T283] ? trace_contention_end+0xb3/0x180 [ 12.596480][ T283] ? __mutex_lock+0x1db/0x1ea0 [ 12.596481][ T283] ? __mutex_lock+0x9a3/0x1ea0 [ 12.596484][ T283] ? rtnl_newlink+0x9a8/0x11c0 [ 12.596487][ T283] ? ww_mutex_lock+0x160/0x160 [ 12.596489][ T283] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.596494][ T283] ? __rtnl_newlink+0x3fa/0xa50 [ 12.596499][ T283] rtnl_newlink+0x9f1/0x11c0 [ 12.596508][ T283] ? rtnl_bridge_getlink+0x850/0x850 [ 12.596511][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596516][ T283] ? lock_acquire.part.0+0xd4/0x280 [ 12.596518][ T283] ? find_held_lock+0x2b/0x80 [ 12.596520][ T283] ? rtnl_bridge_getlink+0x850/0x850 [ 12.596522][ T283] ? __lock_release.isra.0+0x69/0x1a0 [ 12.596526][ T283] ? rtnl_bridge_getlink+0x850/0x850 [ 12.596528][ T283] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.596531][ T283] ? rtnl_link_fill+0x920/0x920 [ 12.596532][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596536][ T283] ? lock_acquire.part.0+0xd4/0x280 [ 12.596538][ T283] ? find_held_lock+0x2b/0x80 [ 12.596542][ T283] netlink_rcv_skb+0x14e/0x3a0 [ 12.596544][ T283] ? rtnl_link_fill+0x920/0x920 [ 12.596546][ T283] ? netlink_ack+0xcf0/0xcf0 [ 12.596553][ T283] ? netlink_deliver_tap+0xc5/0x330 [ 12.596554][ T283] ? netlink_deliver_tap+0x13c/0x330 [ 12.596558][ T283] netlink_unicast+0x486/0x750 [ 12.596563][ T283] ? netlink_attachskb+0x810/0x810 [ 12.596565][ T283] ? __lock_acquire+0x518/0xc20 [ 12.596570][ T283] netlink_sendmsg+0x735/0xc60 [ 12.596573][ T283] ? netlink_unicast+0x750/0x750 [ 12.596577][ T283] ? __might_fault+0x97/0x140 [ 12.596583][ T283] ____sys_sendmsg+0x415/0x880 [ 12.596585][ T283] ? copy_msghdr_from_user+0x279/0x420 [ 12.596587][ T283] ? get_timestamp.constprop.0+0x390/0x390 [ 12.596589][ T283] ? move_addr_to_kernel+0x40/0x40 [ 12.596596][ T283] ___sys_sendmsg+0x14e/0x1d0 [ 12.596599][ T283] ? copy_msghdr_from_user+0x420/0x420 [ 12.596615][ T283] __sys_sendmsg+0x12c/0x1d0 [ 12.596618][ T283] ? __sys_sendmsg_sock+0x20/0x20 [ 12.596624][ T283] ? rcu_is_watching+0x16/0xd0 [ 12.596628][ T283] do_syscall_64+0xff/0x530 [ 12.596630][ T283] ? exc_page_fault+0xee/0x100 [ 12.596633][ T283] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.596636][ T283] RIP: 0033:0x7f5e3bfaa54e [ 12.596639][ T283] 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 [ 12.596641][ T283] RSP: 002b:00007ffd30f07700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.596644][ T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5e3bfaa54e [ 12.596646][ T283] RDX: 0000000000000000 RSI: 00007ffd30f077b0 RDI: 0000000000000005 [ 12.596646][ T283] RBP: 00007ffd30f07710 R08: 0000000000000000 R09: 0000000000000000 [ 12.596647][ T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91635f [ 12.596648][ T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd30f07e70 [ 12.596659][ T283] [ 12.639171][ T283] br1: port 1(vx100) entered disabled state [ 12.639680][ T283] vx100: entered allmulticast mode [ 12.641406][ T283] vx100: entered promiscuous mode [ 12.642082][ T283] br1: port 1(vx100) entered blocking state [ 12.642805][ T283] br1: port 1(vx100) entered forwarding state [ 12.682936][ T283] ip (283) used greatest stack depth: 23336 bytes left [ 12.759028][ T285] br1: port 2(veth1) entered blocking state [ 12.760183][ T285] br1: port 2(veth1) entered disabled state [ 12.760771][ T285] veth1: entered allmulticast mode [ 12.763549][ T285] veth1: entered promiscuous mode [ 12.809046][ T38] br1: port 2(veth1) entered blocking state [ 12.810051][ T38] br1: port 2(veth1) entered forwarding state [ 12.969003][ T291] br2: port 1(vx200) entered blocking state [ 12.969354][ T291] br2: port 1(vx200) entered disabled state [ 12.969687][ T291] vx200: entered allmulticast mode [ 12.971337][ T291] vx200: entered promiscuous mode [ 12.972019][ T291] br2: port 1(vx200) entered blocking state [ 12.972335][ T291] br2: port 1(vx200) entered forwarding state [ 13.071868][ T294] br2: port 2(veth2.20) entered blocking state [ 13.072230][ T294] br2: port 2(veth2.20) entered disabled state [ 13.072549][ T294] veth2.20: entered allmulticast mode [ 13.072773][ T294] veth2: entered allmulticast mode [ 13.074399][ T294] veth2.20: entered promiscuous mode [ 13.074652][ T294] veth2: entered promiscuous mode [ 13.109527][ T295] br2: port 2(veth2.20) entered blocking state [ 13.109876][ T295] br2: port 2(veth2.20) entered forwarding state [ 14.405575][ T341] br3: port 1(w1) entered blocking state [ 14.405596][ T341] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.405599][ T341] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 341, name: ip [ 14.405600][ T341] preempt_count: 1, expected: 0 [ 14.405601][ T341] RCU nest depth: 0, expected: 0 [ 14.405602][ T341] locks held by ip/341: 5, last CPU#2: [ 14.405605][ T341] #0: ffffffffb6ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 14.405617][ T341] #1: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.405624][ T341] #2: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.405628][ T341] #3: ffffffffb6289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.405632][ T341] #4: ffffffffb6289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.405636][ T341] irq event stamp: 25056 [ 14.405637][ T341] hardirqs last enabled at (25055): [] __down_trylock_console_sem+0x86/0xa0 [ 14.405640][ T341] hardirqs last disabled at (25056): [] console_emit_next_record+0x3d4/0x4c0 [ 14.405642][ T341] softirqs last enabled at (24996): [] __alloc_skb+0x4c2/0x5f0 [ 14.405645][ T341] softirqs last disabled at (24994): [] __alloc_skb+0x4c2/0x5f0 [ 14.405648][ T341] Preemption disabled at: [ 14.405648][ T341] [] vprintk_emit+0x31b/0x3e0 [ 14.405654][ T341] CPU: 2 UID: 0 PID: 341 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.405658][ T341] Tainted: [W]=WARN [ 14.405659][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.405660][ T341] Call Trace: [ 14.405662][ T341] [ 14.405663][ T341] dump_stack_lvl+0x6f/0xa0 [ 14.405669][ T341] ? vprintk_emit+0x31b/0x3e0 [ 14.405671][ T341] __might_resched.cold+0x1fe/0x2c1 [ 14.405676][ T341] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.405680][ T341] ? __kmalloc_noprof+0xdb/0x760 [ 14.405686][ T341] __kmalloc_noprof+0x443/0x760 [ 14.405688][ T341] ? alloc_buf.isra.0+0x4b/0x260 [ 14.405694][ T341] ? do_raw_spin_unlock+0x59/0x250 [ 14.405696][ T341] alloc_buf.isra.0+0x4b/0x260 [ 14.405700][ T341] put_chars+0x1e1/0x2f0 [ 14.405702][ T341] ? prb_final_commit+0x50/0x50 [ 14.405704][ T341] ? __send_to_port+0x420/0x420 [ 14.405707][ T341] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.405711][ T341] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.405713][ T341] ? validate_chain+0x38b/0xc20 [ 14.405717][ T341] hvc_console_print+0x292/0x780 [ 14.405720][ T341] ? mark_usage+0x61/0x170 [ 14.405722][ T341] ? __lock_acquire+0x518/0xc20 [ 14.405723][ T341] ? __lock_acquire+0x518/0xc20 [ 14.405727][ T341] ? hvc_write+0x3a0/0x3a0 [ 14.405729][ T341] ? console_emit_next_record+0x1df/0x4c0 [ 14.405732][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.405735][ T341] ? lock_acquire+0x13c/0x160 [ 14.405739][ T341] console_emit_next_record+0x22f/0x4c0 [ 14.405743][ T341] ? devkmsg_read+0x4b0/0x4b0 [ 14.405745][ T341] ? console_flush_one_record+0x106/0x710 [ 14.405748][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.405750][ T341] ? lock_acquire+0x13c/0x160 [ 14.405754][ T341] console_flush_one_record+0x46f/0x710 [ 14.405758][ T341] ? console_emit_next_record+0x4c0/0x4c0 [ 14.405760][ T341] ? __lock_acquire+0x518/0xc20 [ 14.405766][ T341] console_unlock+0xee/0x1f0 [ 14.405769][ T341] ? console_flush_one_record+0x710/0x710 [ 14.405770][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.405773][ T341] ? lock_acquire+0x60/0x160 [ 14.405777][ T341] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.405778][ T341] ? vprintk_emit+0x320/0x3e0 [ 14.405782][ T341] vprintk_emit+0x37c/0x3e0 [ 14.405786][ T341] ? wake_up_klogd_work_func+0x90/0x90 [ 14.405789][ T341] ? __lock_release.isra.0+0x69/0x1a0 [ 14.405791][ T341] ? mark_held_locks+0x40/0x70 [ 14.405795][ T341] _printk+0xc7/0x100 [ 14.405799][ T341] ? snapshot_read.cold+0x21/0x21 [ 14.405803][ T341] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 14.405816][ T341] ? do_setlink.isra.0+0xa31/0x2750 [ 14.405818][ T341] ? rtnl_newlink+0x9f1/0x11c0 [ 14.405819][ T341] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.405824][ T341] br_set_state+0x22f/0x430 [bridge] [ 14.405834][ T341] br_init_port+0xc4/0x200 [bridge] [ 14.405843][ T341] new_nbp+0x39c/0x580 [bridge] [ 14.405853][ T341] br_add_if+0x212/0x1320 [bridge] [ 14.405860][ T341] ? is_bpf_text_address+0x72/0x110 [ 14.405864][ T341] ? kernel_text_address+0x149/0x170 [ 14.405867][ T341] ? __kernel_text_address+0x12/0x30 [ 14.405871][ T341] do_set_master+0x357/0x580 [ 14.405875][ T341] do_setlink.isra.0+0xa31/0x2750 [ 14.405878][ T341] ? stack_trace_save+0x93/0xc0 [ 14.405881][ T341] ? rtnl_link_get_size+0x350/0x350 [ 14.405883][ T341] ? rcu_read_lock_any_held+0x66/0x90 [ 14.405885][ T341] ? stack_depot_save_flags+0x38e/0x790 [ 14.405888][ T341] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.405891][ T341] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.405893][ T341] ? validate_chain+0x38b/0xc20 [ 14.405895][ T341] ? kasan_save_stack+0x3d/0x50 [ 14.405898][ T341] ? kasan_save_stack+0x2f/0x50 [ 14.405900][ T341] ? kasan_save_track+0x14/0x30 [ 14.405902][ T341] ? __lock_acquire+0x518/0xc20 [ 14.405904][ T341] ? netlink_seq_next+0x4e/0x60 [ 14.405907][ T341] ? ___sys_sendmsg+0xb0/0x1d0 [ 14.405912][ T341] ? lock_acquire.part.0+0xd4/0x280 [ 14.405914][ T341] ? rtnl_newlink+0x9a8/0x11c0 [ 14.405916][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.405919][ T341] ? lock_acquire+0x13c/0x160 [ 14.405921][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.405922][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.405925][ T341] ? trace_contention_end+0xb3/0x180 [ 14.405929][ T341] ? __mutex_lock+0x1db/0x1ea0 [ 14.405932][ T341] ? __mutex_lock+0x9a3/0x1ea0 [ 14.405934][ T341] ? rtnl_newlink+0x9a8/0x11c0 [ 14.405937][ T341] ? ww_mutex_lock+0x160/0x160 [ 14.405939][ T341] ? nla_get_range_signed+0x3d0/0x3d0 [ 14.405944][ T341] ? __rtnl_newlink+0x3fa/0xa50 [ 14.405949][ T341] rtnl_newlink+0x9f1/0x11c0 [ 14.405955][ T341] ? rtnl_bridge_getlink+0x850/0x850 [ 14.405956][ T341] ? __lock_acquire+0x518/0xc20 [ 14.405961][ T341] ? lock_acquire.part.0+0xd4/0x280 [ 14.405963][ T341] ? find_held_lock+0x2b/0x80 [ 14.405965][ T341] ? rtnl_bridge_getlink+0x850/0x850 [ 14.405967][ T341] ? __lock_release.isra.0+0x69/0x1a0 [ 14.405970][ T341] ? rtnl_bridge_getlink+0x850/0x850 [ 14.405972][ T341] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.405975][ T341] ? rtnl_link_fill+0x920/0x920 [ 14.405977][ T341] ? __lock_acquire+0x518/0xc20 [ 14.405981][ T341] ? lock_acquire.part.0+0xd4/0x280 [ 14.405983][ T341] ? find_held_lock+0x2b/0x80 [ 14.405986][ T341] netlink_rcv_skb+0x14e/0x3a0 [ 14.405988][ T341] ? rtnl_link_fill+0x920/0x920 [ 14.405991][ T341] ? netlink_ack+0xcf0/0xcf0 [ 14.405997][ T341] ? netlink_deliver_tap+0xc5/0x330 [ 14.405999][ T341] ? netlink_deliver_tap+0x13c/0x330 [ 14.406003][ T341] netlink_unicast+0x486/0x750 [ 14.406007][ T341] ? netlink_attachskb+0x810/0x810 [ 14.406009][ T341] ? __lock_acquire+0x518/0xc20 [ 14.406013][ T341] netlink_sendmsg+0x735/0xc60 [ 14.406017][ T341] ? netlink_unicast+0x750/0x750 [ 14.406021][ T341] ? __might_fault+0x97/0x140 [ 14.406026][ T341] ____sys_sendmsg+0x415/0x880 [ 14.406028][ T341] ? copy_msghdr_from_user+0x279/0x420 [ 14.406031][ T341] ? get_timestamp.constprop.0+0x390/0x390 [ 14.406032][ T341] ? move_addr_to_kernel+0x40/0x40 [ 14.406047][ T341] ___sys_sendmsg+0x14e/0x1d0 [ 14.406050][ T341] ? copy_msghdr_from_user+0x420/0x420 [ 14.406065][ T341] __sys_sendmsg+0x12c/0x1d0 [ 14.406068][ T341] ? __sys_sendmsg_sock+0x20/0x20 [ 14.406074][ T341] ? rcu_is_watching+0x16/0xd0 [ 14.406078][ T341] do_syscall_64+0xff/0x530 [ 14.406080][ T341] ? exc_page_fault+0xee/0x100 [ 14.406084][ T341] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.406086][ T341] RIP: 0033:0x7f083e16554e [ 14.406090][ T341] 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 [ 14.406092][ T341] RSP: 002b:00007ffc88d840d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.406095][ T341] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f083e16554e [ 14.406097][ T341] RDX: 0000000000000000 RSI: 00007ffc88d84180 RDI: 0000000000000005 [ 14.406098][ T341] RBP: 00007ffc88d840e0 R08: 0000000000000000 R09: 0000000000000000 [ 14.406098][ T341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916360 [ 14.406099][ T341] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88d84840 [ 14.406111][ T341] [ 14.456022][ T341] br3: port 1(w1) entered disabled state [ 14.456463][ T341] w1: entered allmulticast mode [ 14.458876][ T341] w1: entered promiscuous mode [ 14.497597][ T342] br3: port 1(w1) entered blocking state [ 14.497881][ T342] br3: port 1(w1) entered forwarding state [ 14.659447][ T347] br3: port 2(vx100) entered blocking state [ 14.659799][ T347] br3: port 2(vx100) entered disabled state [ 14.660377][ T347] vx100: entered allmulticast mode [ 14.661993][ T347] vx100: entered promiscuous mode [ 14.662678][ T347] br3: port 2(vx100) entered blocking state [ 14.662980][ T347] br3: port 2(vx100) entered forwarding state [ 15.879963][ T394] br3: port 1(w1) entered blocking state [ 15.879981][ T394] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.879984][ T394] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 394, name: ip [ 15.879986][ T394] preempt_count: 1, expected: 0 [ 15.879987][ T394] RCU nest depth: 0, expected: 0 [ 15.879988][ T394] locks held by ip/394: 5, last CPU#1: [ 15.879990][ T394] #0: ffffffffb6ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.880002][ T394] #1: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.880009][ T394] #2: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.880013][ T394] #3: ffffffffb6289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.880016][ T394] #4: ffffffffb6289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.880021][ T394] irq event stamp: 26758 [ 15.880022][ T394] hardirqs last enabled at (26757): [] __down_trylock_console_sem+0x86/0xa0 [ 15.880024][ T394] hardirqs last disabled at (26758): [] console_emit_next_record+0x3d4/0x4c0 [ 15.880026][ T394] softirqs last enabled at (26700): [] __alloc_skb+0x4c2/0x5f0 [ 15.880029][ T394] softirqs last disabled at (26698): [] __alloc_skb+0x4c2/0x5f0 [ 15.880032][ T394] Preemption disabled at: [ 15.880033][ T394] [] vprintk_emit+0x31b/0x3e0 [ 15.880045][ T394] CPU: 1 UID: 0 PID: 394 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.880049][ T394] Tainted: [W]=WARN [ 15.880050][ T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.880052][ T394] Call Trace: [ 15.880054][ T394] [ 15.880055][ T394] dump_stack_lvl+0x6f/0xa0 [ 15.880061][ T394] ? vprintk_emit+0x31b/0x3e0 [ 15.880063][ T394] __might_resched.cold+0x1fe/0x2c1 [ 15.880068][ T394] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.880073][ T394] ? __kmalloc_noprof+0xdb/0x760 [ 15.880078][ T394] __kmalloc_noprof+0x443/0x760 [ 15.880080][ T394] ? alloc_buf.isra.0+0x4b/0x260 [ 15.880086][ T394] ? do_raw_spin_unlock+0x59/0x250 [ 15.880089][ T394] alloc_buf.isra.0+0x4b/0x260 [ 15.880092][ T394] put_chars+0x1e1/0x2f0 [ 15.880094][ T394] ? prb_final_commit+0x50/0x50 [ 15.880097][ T394] ? __send_to_port+0x420/0x420 [ 15.880100][ T394] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.880107][ T394] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.880110][ T394] ? validate_chain+0x38b/0xc20 [ 15.880114][ T394] hvc_console_print+0x292/0x780 [ 15.880117][ T394] ? mark_usage+0x61/0x170 [ 15.880119][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880120][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880124][ T394] ? hvc_write+0x3a0/0x3a0 [ 15.880126][ T394] ? console_emit_next_record+0x1df/0x4c0 [ 15.880130][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880132][ T394] ? lock_acquire+0x13c/0x160 [ 15.880136][ T394] console_emit_next_record+0x22f/0x4c0 [ 15.880140][ T394] ? devkmsg_read+0x4b0/0x4b0 [ 15.880142][ T394] ? console_flush_one_record+0x106/0x710 [ 15.880145][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880148][ T394] ? lock_acquire+0x13c/0x160 [ 15.880152][ T394] console_flush_one_record+0x46f/0x710 [ 15.880156][ T394] ? console_emit_next_record+0x4c0/0x4c0 [ 15.880158][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880163][ T394] console_unlock+0xee/0x1f0 [ 15.880166][ T394] ? console_flush_one_record+0x710/0x710 [ 15.880168][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880170][ T394] ? lock_acquire+0x60/0x160 [ 15.880174][ T394] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.880175][ T394] ? vprintk_emit+0x320/0x3e0 [ 15.880179][ T394] vprintk_emit+0x37c/0x3e0 [ 15.880183][ T394] ? wake_up_klogd_work_func+0x90/0x90 [ 15.880186][ T394] ? __lock_release.isra.0+0x69/0x1a0 [ 15.880188][ T394] ? mark_held_locks+0x40/0x70 [ 15.880192][ T394] _printk+0xc7/0x100 [ 15.880196][ T394] ? snapshot_read.cold+0x21/0x21 [ 15.880200][ T394] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 15.880213][ T394] ? do_setlink.isra.0+0xa31/0x2750 [ 15.880214][ T394] ? rtnl_newlink+0x9f1/0x11c0 [ 15.880216][ T394] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.880220][ T394] br_set_state+0x22f/0x430 [bridge] [ 15.880231][ T394] br_init_port+0xc4/0x200 [bridge] [ 15.880240][ T394] new_nbp+0x39c/0x580 [bridge] [ 15.880249][ T394] br_add_if+0x212/0x1320 [bridge] [ 15.880257][ T394] ? is_bpf_text_address+0x72/0x110 [ 15.880261][ T394] ? kernel_text_address+0x149/0x170 [ 15.880264][ T394] ? __kernel_text_address+0x12/0x30 [ 15.880268][ T394] do_set_master+0x357/0x580 [ 15.880272][ T394] do_setlink.isra.0+0xa31/0x2750 [ 15.880276][ T394] ? stack_trace_save+0x93/0xc0 [ 15.880279][ T394] ? rtnl_link_get_size+0x350/0x350 [ 15.880280][ T394] ? rcu_read_lock_any_held+0x66/0x90 [ 15.880282][ T394] ? stack_depot_save_flags+0x38e/0x790 [ 15.880286][ T394] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.880289][ T394] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.880290][ T394] ? validate_chain+0x38b/0xc20 [ 15.880293][ T394] ? kasan_save_stack+0x3d/0x50 [ 15.880296][ T394] ? kasan_save_stack+0x2f/0x50 [ 15.880298][ T394] ? kasan_save_track+0x14/0x30 [ 15.880301][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880303][ T394] ? netlink_seq_next+0x4e/0x60 [ 15.880306][ T394] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.880311][ T394] ? lock_acquire.part.0+0xd4/0x280 [ 15.880313][ T394] ? rtnl_newlink+0x9a8/0x11c0 [ 15.880315][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880318][ T394] ? lock_acquire+0x13c/0x160 [ 15.880319][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880321][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880323][ T394] ? trace_contention_end+0xb3/0x180 [ 15.880327][ T394] ? __mutex_lock+0x1db/0x1ea0 [ 15.880330][ T394] ? __mutex_lock+0x9a3/0x1ea0 [ 15.880333][ T394] ? rtnl_newlink+0x9a8/0x11c0 [ 15.880336][ T394] ? ww_mutex_lock+0x160/0x160 [ 15.880338][ T394] ? nla_get_range_signed+0x3d0/0x3d0 [ 15.880343][ T394] ? __rtnl_newlink+0x3fa/0xa50 [ 15.880348][ T394] rtnl_newlink+0x9f1/0x11c0 [ 15.880353][ T394] ? rtnl_bridge_getlink+0x850/0x850 [ 15.880355][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880360][ T394] ? lock_acquire.part.0+0xd4/0x280 [ 15.880362][ T394] ? find_held_lock+0x2b/0x80 [ 15.880364][ T394] ? rtnl_bridge_getlink+0x850/0x850 [ 15.880366][ T394] ? __lock_release.isra.0+0x69/0x1a0 [ 15.880369][ T394] ? rtnl_bridge_getlink+0x850/0x850 [ 15.880372][ T394] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.880375][ T394] ? rtnl_link_fill+0x920/0x920 [ 15.880376][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880381][ T394] ? lock_acquire.part.0+0xd4/0x280 [ 15.880382][ T394] ? find_held_lock+0x2b/0x80 [ 15.880386][ T394] netlink_rcv_skb+0x14e/0x3a0 [ 15.880388][ T394] ? rtnl_link_fill+0x920/0x920 [ 15.880391][ T394] ? netlink_ack+0xcf0/0xcf0 [ 15.880397][ T394] ? netlink_deliver_tap+0xc5/0x330 [ 15.880399][ T394] ? netlink_deliver_tap+0x13c/0x330 [ 15.880403][ T394] netlink_unicast+0x486/0x750 [ 15.880407][ T394] ? netlink_attachskb+0x810/0x810 [ 15.880409][ T394] ? __lock_acquire+0x518/0xc20 [ 15.880414][ T394] netlink_sendmsg+0x735/0xc60 [ 15.880417][ T394] ? netlink_unicast+0x750/0x750 [ 15.880421][ T394] ? __might_fault+0x97/0x140 [ 15.880427][ T394] ____sys_sendmsg+0x415/0x880 [ 15.880429][ T394] ? copy_msghdr_from_user+0x279/0x420 [ 15.880431][ T394] ? get_timestamp.constprop.0+0x390/0x390 [ 15.880433][ T394] ? move_addr_to_kernel+0x40/0x40 [ 15.880441][ T394] ___sys_sendmsg+0x14e/0x1d0 [ 15.880443][ T394] ? copy_msghdr_from_user+0x420/0x420 [ 15.880459][ T394] __sys_sendmsg+0x12c/0x1d0 [ 15.880462][ T394] ? __sys_sendmsg_sock+0x20/0x20 [ 15.880468][ T394] ? rcu_is_watching+0x16/0xd0 [ 15.880472][ T394] do_syscall_64+0xff/0x530 [ 15.880474][ T394] ? exc_page_fault+0xee/0x100 [ 15.880478][ T394] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.880480][ T394] RIP: 0033:0x7efc4be7c54e [ 15.880483][ T394] 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 [ 15.880485][ T394] RSP: 002b:00007ffdb4d9a760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.880488][ T394] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efc4be7c54e [ 15.880490][ T394] RDX: 0000000000000000 RSI: 00007ffdb4d9a810 RDI: 0000000000000005 [ 15.880491][ T394] RBP: 00007ffdb4d9a770 R08: 0000000000000000 R09: 0000000000000000 [ 15.880491][ T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916362 [ 15.880492][ T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb4d9aed0 [ 15.880499][ T394] [ 15.921719][ T394] br3: port 1(w1) entered disabled state [ 15.922009][ T394] w1: entered allmulticast mode [ 15.923723][ T394] w1: entered promiscuous mode [ 15.964603][ T395] br3: port 1(w1) entered blocking state [ 15.965090][ T395] br3: port 1(w1) entered forwarding state [ 16.106069][ T400] br3: port 2(vx200) entered blocking state [ 16.107006][ T400] br3: port 2(vx200) entered disabled state [ 16.107407][ T400] vx200: entered allmulticast mode [ 16.109044][ T400] vx200: entered promiscuous mode [ 16.109815][ T400] br3: port 2(vx200) entered blocking state [ 16.110162][ T400] br3: port 2(vx200) entered forwarding state [ 16.173294][ T38] br3: port 1(w1) entered disabled state [ 16.318898][ T62] br3: port 1(w1) entered blocking state [ 16.319196][ T62] br3: port 1(w1) entered forwarding state [ 16.863691][ T439] br3: port 3(w1.20) entered blocking state [ 16.864045][ T439] br3: port 3(w1.20) entered disabled state [ 16.864368][ T439] w1.20: entered allmulticast mode [ 16.865941][ T439] w1.20: entered promiscuous mode [ 17.050408][ T452] br3: port 3(w1.20) entered blocking state [ 17.050433][ T452] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.050436][ T452] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 452, name: ip [ 17.050438][ T452] preempt_count: 202, expected: 0 [ 17.050440][ T452] RCU nest depth: 0, expected: 0 [ 17.050442][ T452] locks held by ip/452: 6, last CPU#2: [ 17.050445][ T452] #0: ffffffffb6ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 17.050460][ T452] #1: ff1100000d19ae58 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [bridge] [ 17.050482][ T452] #2: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.050491][ T452] #3: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.050497][ T452] #4: ffffffffb6289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.050503][ T452] #5: ffffffffb6289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.050509][ T452] irq event stamp: 12241 [ 17.050510][ T452] hardirqs last enabled at (12240): [] __down_trylock_console_sem+0x86/0xa0 [ 17.050513][ T452] hardirqs last disabled at (12241): [] console_emit_next_record+0x3d4/0x4c0 [ 17.050516][ T452] softirqs last enabled at (12202): [] inet6_fill_ifla6_attrs+0x1b3e/0x21e0 [ 17.050521][ T452] softirqs last disabled at (12236): [] br_device_event+0x5fd/0x8f0 [bridge] [ 17.050534][ T452] Preemption disabled at: [ 17.050535][ T452] [<0000000000000000>] 0x0 [ 17.050542][ T452] CPU: 2 UID: 0 PID: 452 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.050547][ T452] Tainted: [W]=WARN [ 17.050549][ T452] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.050551][ T452] Call Trace: [ 17.050553][ T452] [ 17.050556][ T452] dump_stack_lvl+0x6f/0xa0 [ 17.050565][ T452] __might_resched.cold+0x1fe/0x2c1 [ 17.050572][ T452] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.050578][ T452] ? __kmalloc_noprof+0xdb/0x760 [ 17.050586][ T452] __kmalloc_noprof+0x443/0x760 [ 17.050590][ T452] ? alloc_buf.isra.0+0x4b/0x260 [ 17.050599][ T452] ? do_raw_spin_unlock+0x59/0x250 [ 17.050602][ T452] alloc_buf.isra.0+0x4b/0x260 [ 17.050608][ T452] put_chars+0x1e1/0x2f0 [ 17.050610][ T452] ? prb_final_commit+0x50/0x50 [ 17.050614][ T452] ? __send_to_port+0x420/0x420 [ 17.050620][ T452] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.050625][ T452] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.050629][ T452] ? validate_chain+0x38b/0xc20 [ 17.050635][ T452] hvc_console_print+0x292/0x780 [ 17.050640][ T452] ? mark_usage+0x61/0x170 [ 17.050643][ T452] ? __lock_acquire+0x518/0xc20 [ 17.050645][ T452] ? __lock_acquire+0x518/0xc20 [ 17.050652][ T452] ? hvc_write+0x3a0/0x3a0 [ 17.050656][ T452] ? console_emit_next_record+0x1df/0x4c0 [ 17.050662][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.050665][ T452] ? lock_acquire+0x13c/0x160 [ 17.050672][ T452] console_emit_next_record+0x22f/0x4c0 [ 17.050679][ T452] ? devkmsg_read+0x4b0/0x4b0 [ 17.050682][ T452] ? console_flush_one_record+0x106/0x710 [ 17.050687][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.050691][ T452] ? lock_acquire+0x13c/0x160 [ 17.050698][ T452] console_flush_one_record+0x46f/0x710 [ 17.050705][ T452] ? console_emit_next_record+0x4c0/0x4c0 [ 17.050708][ T452] ? __lock_acquire+0x518/0xc20 [ 17.050718][ T452] console_unlock+0xee/0x1f0 [ 17.050722][ T452] ? console_flush_one_record+0x710/0x710 [ 17.050725][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.050729][ T452] ? lock_acquire+0x60/0x160 [ 17.050736][ T452] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.050738][ T452] ? vprintk_emit+0x320/0x3e0 [ 17.050744][ T452] vprintk_emit+0x37c/0x3e0 [ 17.050751][ T452] ? wake_up_klogd_work_func+0x90/0x90 [ 17.050755][ T452] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.050760][ T452] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.050766][ T452] _printk+0xc7/0x100 [ 17.050771][ T452] ? snapshot_read.cold+0x21/0x21 [ 17.050781][ T452] ? lock_acquire.part.0+0xd4/0x280 [ 17.050788][ T452] br_set_state+0x22f/0x430 [bridge] [ 17.050808][ T452] br_init_port+0xc4/0x200 [bridge] [ 17.050824][ T452] br_stp_enable_port+0x12/0x50 [bridge] [ 17.050838][ T452] br_device_event+0x605/0x8f0 [bridge] [ 17.050854][ T452] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 17.050857][ T452] ? nlmsg_notify+0x62/0x250 [ 17.050868][ T452] notifier_call_chain+0xae/0x300 [ 17.050878][ T452] __dev_notify_flags+0x1b7/0x3c0 [ 17.050885][ T452] ? netif_change_name+0x8c0/0x8c0 [ 17.050891][ T452] ? netif_set_allmulti+0x250/0x250 [ 17.050894][ T452] ? kernel_text_address+0x149/0x170 [ 17.050899][ T452] ? __kernel_text_address+0x12/0x30 [ 17.050901][ T452] ? write_profile+0xf0/0xf0 [ 17.050904][ T452] ? unwind_get_return_address+0x67/0xd0 [ 17.050912][ T452] netif_change_flags+0xfe/0x190 [ 17.050918][ T452] do_setlink.isra.0+0x1cc3/0x2750 [ 17.050925][ T452] ? stack_trace_save+0x93/0xc0 [ 17.050928][ T452] ? rtnl_link_get_size+0x350/0x350 [ 17.050931][ T452] ? rcu_read_lock_any_held+0x66/0x90 [ 17.050934][ T452] ? stack_depot_save_flags+0x38e/0x790 [ 17.050938][ T452] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.050942][ T452] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.050945][ T452] ? validate_chain+0x38b/0xc20 [ 17.050950][ T452] ? kasan_save_stack+0x3d/0x50 [ 17.050954][ T452] ? kasan_save_stack+0x2f/0x50 [ 17.050956][ T452] ? kasan_save_track+0x14/0x30 [ 17.050961][ T452] ? __lock_acquire+0x518/0xc20 [ 17.050964][ T452] ? netlink_seq_next+0x4e/0x60 [ 17.050967][ T452] ? ___sys_sendmsg+0xb0/0x1d0 [ 17.050974][ T452] ? lock_acquire.part.0+0xd4/0x280 [ 17.050977][ T452] ? rtnl_newlink+0x9a8/0x11c0 [ 17.050981][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.050985][ T452] ? lock_acquire+0x13c/0x160 [ 17.050988][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.050990][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.050994][ T452] ? trace_contention_end+0xb3/0x180 [ 17.051000][ T452] ? __mutex_lock+0x1db/0x1ea0 [ 17.051003][ T452] ? __mutex_lock+0x9a3/0x1ea0 [ 17.051007][ T452] ? rtnl_newlink+0x9a8/0x11c0 [ 17.051013][ T452] ? ww_mutex_lock+0x160/0x160 [ 17.051023][ T452] ? __rtnl_newlink+0x3fa/0xa50 [ 17.051032][ T452] rtnl_newlink+0x9f1/0x11c0 [ 17.051049][ T452] ? rtnl_bridge_getlink+0x850/0x850 [ 17.051053][ T452] ? __lock_acquire+0x518/0xc20 [ 17.051060][ T452] ? lock_acquire.part.0+0xd4/0x280 [ 17.051064][ T452] ? find_held_lock+0x2b/0x80 [ 17.051067][ T452] ? rtnl_bridge_getlink+0x850/0x850 [ 17.051070][ T452] ? __lock_release.isra.0+0x69/0x1a0 [ 17.051077][ T452] ? rtnl_bridge_getlink+0x850/0x850 [ 17.051080][ T452] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.051086][ T452] ? rtnl_link_fill+0x920/0x920 [ 17.051088][ T452] ? __lock_acquire+0x518/0xc20 [ 17.051096][ T452] ? lock_acquire.part.0+0xd4/0x280 [ 17.051099][ T452] ? find_held_lock+0x2b/0x80 [ 17.051107][ T452] netlink_rcv_skb+0x14e/0x3a0 [ 17.051110][ T452] ? rtnl_link_fill+0x920/0x920 [ 17.051115][ T452] ? netlink_ack+0xcf0/0xcf0 [ 17.051126][ T452] ? netlink_deliver_tap+0xc5/0x330 [ 17.051129][ T452] ? netlink_deliver_tap+0x13c/0x330 [ 17.051137][ T452] netlink_unicast+0x486/0x750 [ 17.051144][ T452] ? netlink_attachskb+0x810/0x810 [ 17.051148][ T452] ? __lock_acquire+0x518/0xc20 [ 17.051155][ T452] netlink_sendmsg+0x735/0xc60 [ 17.051162][ T452] ? netlink_unicast+0x750/0x750 [ 17.051168][ T452] ? __might_fault+0x97/0x140 [ 17.051177][ T452] ____sys_sendmsg+0x415/0x880 [ 17.051181][ T452] ? copy_msghdr_from_user+0x279/0x420 [ 17.051184][ T452] ? get_timestamp.constprop.0+0x390/0x390 [ 17.051187][ T452] ? move_addr_to_kernel+0x40/0x40 [ 17.051200][ T452] ___sys_sendmsg+0x14e/0x1d0 [ 17.051205][ T452] ? copy_msghdr_from_user+0x420/0x420 [ 17.051236][ T452] __sys_sendmsg+0x12c/0x1d0 [ 17.051241][ T452] ? __sys_sendmsg_sock+0x20/0x20 [ 17.051252][ T452] ? rcu_is_watching+0x16/0xd0 [ 17.051259][ T452] do_syscall_64+0xff/0x530 [ 17.051262][ T452] ? exc_page_fault+0xee/0x100 [ 17.051268][ T452] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.051271][ T452] RIP: 0033:0x7f4ce266d54e [ 17.051276][ T452] 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 [ 17.051278][ T452] RSP: 002b:00007ffdc9ffddc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.051284][ T452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4ce266d54e [ 17.051286][ T452] RDX: 0000000000000000 RSI: 00007ffdc9ffde70 RDI: 0000000000000005 [ 17.051288][ T452] RBP: 00007ffdc9ffddd0 R08: 0000000000000000 R09: 0000000000000000 [ 17.051289][ T452] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916363 [ 17.051291][ T452] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc9ffe530 [ 17.051304][ T452] [ 17.127021][ T452] br3: port 3(w1.20) entered forwarding state [ 17.151432][ T452] ip (452) used greatest stack depth: 23016 bytes left [ 17.341068][ C1] IPv6: w2: IPv6 duplicate address fe80::80a:f4ff:fec0:dba9 used by 0a:0a:f4:c0:db:a9 detected! [ 17.341115][ C1] [ 17.341116][ C1] ======================================================== [ 17.341118][ C1] WARNING: possible irq lock inversion dependency detected [ 17.341119][ C1] 7.2.0-virtme #1 Tainted: G W [ 17.341121][ C1] -------------------------------------------------------- [ 17.341122][ C1] kworker/u16:1/72 just changed the state of lock: [ 17.341123][ C1] ffffffffb6289660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.341135][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.341136][ C1] (fs_reclaim){+.+.}-{0:0} [ 17.341138][ C1] [ 17.341138][ C1] [ 17.341138][ C1] and interrupts could create inverse lock ordering between them. [ 17.341138][ C1] [ 17.341138][ C1] [ 17.341138][ C1] other info that might help us debug this: [ 17.341139][ C1] Possible interrupt unsafe locking scenario: [ 17.341139][ C1] [ 17.341140][ C1] CPU0 CPU1 [ 17.341140][ C1] ---- ---- [ 17.341141][ C1] lock(fs_reclaim); [ 17.341142][ C1] local_irq_disable(); [ 17.341142][ C1] lock(console_owner); [ 17.341144][ C1] lock(fs_reclaim); [ 17.341144][ C1] [ 17.341145][ C1] lock(console_owner); [ 17.341146][ C1] [ 17.341146][ C1] *** DEADLOCK *** [ 17.341146][ C1] [ 17.341146][ C1] locks held by kworker/u16:1/72: 10, last CPU#1: [ 17.341147][ C1] #0: ff1100000893f140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.341152][ C1] #1: ffa00000004d7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.341156][ C1] #2: ffffffffb6ad2c40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 17.341161][ C1] #3: ffffffffb6380b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 17.341165][ C1] #4: ffffffffb6380b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 17.341168][ C1] #5: ffffffffb6380b00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 17.341173][ C1] #6: ffffffffb6380b00 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570 [ 17.341176][ C1] #7: ff11000010d29440 (&ifa->lock){+.-.}-{3:3}, at: addrconf_dad_failure+0x103/0x820 [ 17.341179][ C1] #8: ffffffffb6369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.341182][ C1] #9: ffffffffb6369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.341186][ C1] [ 17.341186][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 17.341190][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 17.341192][ C1] HARDIRQ-ON-W at: [ 17.341194][ C1] __lock_acquire+0x388/0xc20 [ 17.341197][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341199][ C1] fs_reclaim_acquire+0xd5/0x120 [ 17.341201][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 17.341204][ C1] kthread_create_worker_on_node+0xea/0x210 [ 17.341206][ C1] workqueue_init+0x2a/0x680 [ 17.341210][ C1] kernel_init_freeable+0x2fe/0x630 [ 17.341212][ C1] kernel_init+0x21/0x150 [ 17.341215][ C1] ret_from_fork+0x474/0x6b0 [ 17.341217][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341220][ C1] SOFTIRQ-ON-W at: [ 17.341221][ C1] __lock_acquire+0x388/0xc20 [ 17.341222][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341224][ C1] fs_reclaim_acquire+0xd5/0x120 [ 17.341225][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 17.341226][ C1] kthread_create_worker_on_node+0xea/0x210 [ 17.341227][ C1] workqueue_init+0x2a/0x680 [ 17.341229][ C1] kernel_init_freeable+0x2fe/0x630 [ 17.341230][ C1] kernel_init+0x21/0x150 [ 17.341231][ C1] ret_from_fork+0x474/0x6b0 [ 17.341232][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341233][ C1] INITIAL USE at: [ 17.341234][ C1] __lock_acquire+0x388/0xc20 [ 17.341235][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341237][ C1] fs_reclaim_acquire+0xd5/0x120 [ 17.341238][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 17.341239][ C1] kthread_create_worker_on_node+0xea/0x210 [ 17.341241][ C1] workqueue_init+0x2a/0x680 [ 17.341242][ C1] kernel_init_freeable+0x2fe/0x630 [ 17.341243][ C1] kernel_init+0x21/0x150 [ 17.341244][ C1] ret_from_fork+0x474/0x6b0 [ 17.341245][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341247][ C1] } [ 17.341247][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 17.341251][ C1] ... acquired at: [ 17.341252][ C1] __lock_acquire+0x518/0xc20 [ 17.341254][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341255][ C1] fs_reclaim_acquire+0xd5/0x120 [ 17.341256][ C1] __kmalloc_noprof+0xd3/0x760 [ 17.341257][ C1] alloc_buf.isra.0+0x4b/0x260 [ 17.341260][ C1] put_chars+0x1e1/0x2f0 [ 17.341261][ C1] hvc_console_print+0x292/0x780 [ 17.341263][ C1] console_emit_next_record+0x22f/0x4c0 [ 17.341265][ C1] console_flush_one_record+0x46f/0x710 [ 17.341266][ C1] console_unlock+0xee/0x1f0 [ 17.341268][ C1] vprintk_emit+0x37c/0x3e0 [ 17.341269][ C1] dev_vprintk_emit+0x27f/0x2c0 [ 17.341273][ C1] dev_printk_emit+0xb9/0xee [ 17.341274][ C1] _dev_info+0xe2/0x116 [ 17.341276][ C1] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 17.341279][ C1] cmos_do_probe+0x73b/0x98a [ 17.341280][ C1] platform_probe+0xfe/0x1f0 [ 17.341283][ C1] call_driver_probe+0x61/0x1c0 [ 17.341285][ C1] really_probe+0x199/0x760 [ 17.341287][ C1] __driver_probe_device+0x24f/0x440 [ 17.341288][ C1] driver_probe_device+0x4a/0xf0 [ 17.341289][ C1] __driver_attach+0x1b8/0x540 [ 17.341291][ C1] bus_for_each_dev+0x130/0x1e0 [ 17.341292][ C1] bus_add_driver+0x2c8/0x530 [ 17.341293][ C1] driver_register+0x1a3/0x390 [ 17.341295][ C1] __platform_driver_probe+0x13f/0x270 [ 17.341296][ C1] cmos_init+0x31/0x40 [ 17.341299][ C1] do_one_initcall+0x124/0x4f0 [ 17.341301][ C1] kernel_init_freeable+0x596/0x630 [ 17.341302][ C1] kernel_init+0x21/0x150 [ 17.341303][ C1] ret_from_fork+0x474/0x6b0 [ 17.341304][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341306][ C1] [ 17.341306][ C1] -> (console_owner){..-.}-{0:0} { [ 17.341308][ C1] IN-SOFTIRQ-W at: [ 17.341309][ C1] __lock_acquire+0x388/0xc20 [ 17.341310][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341311][ C1] console_lock_spinning_enable+0x5c/0x60 [ 17.341313][ C1] console_emit_next_record+0x1d1/0x4c0 [ 17.341315][ C1] console_flush_one_record+0x46f/0x710 [ 17.341316][ C1] console_unlock+0xee/0x1f0 [ 17.341318][ C1] vprintk_emit+0x37c/0x3e0 [ 17.341319][ C1] _printk+0xc7/0x100 [ 17.341322][ C1] addrconf_dad_failure.cold+0xfa/0x186 [ 17.341325][ C1] ndisc_recv_ns+0x713/0x1360 [ 17.341326][ C1] icmpv6_rcv+0x12c3/0x17d0 [ 17.341328][ C1] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 17.341329][ C1] ip6_input_finish+0x196/0x590 [ 17.341331][ C1] ip6_input+0x130/0x570 [ 17.341332][ C1] ip6_mc_input+0x429/0xce0 [ 17.341333][ C1] ipv6_rcv+0x3c1/0x5a0 [ 17.341334][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 17.341336][ C1] process_backlog+0x431/0x14c0 [ 17.341338][ C1] __napi_poll+0xa7/0x3b0 [ 17.341339][ C1] net_rx_action+0x513/0xf50 [ 17.341341][ C1] handle_softirqs+0x1d3/0x900 [ 17.341343][ C1] do_softirq+0xac/0xe0 [ 17.341345][ C1] __local_bh_enable_ip+0x118/0x150 [ 17.341346][ C1] __dev_queue_xmit+0x979/0x1b80 [ 17.341347][ C1] ip6_finish_output2+0x423/0x1300 [ 17.341349][ C1] ip6_finish_output+0x646/0xda0 [ 17.341350][ C1] ip6_output+0x23f/0x7f0 [ 17.341351][ C1] ndisc_send_skb+0xba3/0x1520 [ 17.341353][ C1] ndisc_send_ns+0xa9/0x120 [ 17.341354][ C1] addrconf_dad_work+0x6c2/0x930 [ 17.341356][ C1] process_one_work+0xe3e/0x1560 [ 17.341357][ C1] worker_thread+0x4f1/0xd60 [ 17.341359][ C1] kthread+0x367/0x460 [ 17.341360][ C1] ret_from_fork+0x474/0x6b0 [ 17.341361][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341362][ C1] INITIAL USE at: [ 17.341363][ C1] } [ 17.341364][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 17.341367][ C1] ... acquired at: [ 17.341367][ C1] mark_lock+0x1d7/0xa00 [ 17.341368][ C1] mark_usage+0x42/0x170 [ 17.341370][ C1] __lock_acquire+0x388/0xc20 [ 17.341371][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341372][ C1] console_lock_spinning_enable+0x5c/0x60 [ 17.341374][ C1] console_emit_next_record+0x1d1/0x4c0 [ 17.341375][ C1] console_flush_one_record+0x46f/0x710 [ 17.341377][ C1] console_unlock+0xee/0x1f0 [ 17.341378][ C1] vprintk_emit+0x37c/0x3e0 [ 17.341380][ C1] _printk+0xc7/0x100 [ 17.341381][ C1] addrconf_dad_failure.cold+0xfa/0x186 [ 17.341382][ C1] ndisc_recv_ns+0x713/0x1360 [ 17.341383][ C1] icmpv6_rcv+0x12c3/0x17d0 [ 17.341385][ C1] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 17.341386][ C1] ip6_input_finish+0x196/0x590 [ 17.341387][ C1] ip6_input+0x130/0x570 [ 17.341388][ C1] ip6_mc_input+0x429/0xce0 [ 17.341389][ C1] ipv6_rcv+0x3c1/0x5a0 [ 17.341391][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 17.341392][ C1] process_backlog+0x431/0x14c0 [ 17.341394][ C1] __napi_poll+0xa7/0x3b0 [ 17.341395][ C1] net_rx_action+0x513/0xf50 [ 17.341396][ C1] handle_softirqs+0x1d3/0x900 [ 17.341398][ C1] do_softirq+0xac/0xe0 [ 17.341399][ C1] __local_bh_enable_ip+0x118/0x150 [ 17.341400][ C1] __dev_queue_xmit+0x979/0x1b80 [ 17.341401][ C1] ip6_finish_output2+0x423/0x1300 [ 17.341403][ C1] ip6_finish_output+0x646/0xda0 [ 17.341404][ C1] ip6_output+0x23f/0x7f0 [ 17.341405][ C1] ndisc_send_skb+0xba3/0x1520 [ 17.341406][ C1] ndisc_send_ns+0xa9/0x120 [ 17.341407][ C1] addrconf_dad_work+0x6c2/0x930 [ 17.341409][ C1] process_one_work+0xe3e/0x1560 [ 17.341410][ C1] worker_thread+0x4f1/0xd60 [ 17.341412][ C1] kthread+0x367/0x460 [ 17.341413][ C1] ret_from_fork+0x474/0x6b0 [ 17.341414][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341415][ C1] [ 17.341416][ C1] [ 17.341416][ C1] stack backtrace: [ 17.341418][ C1] CPU: 1 UID: 0 PID: 72 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.341422][ C1] Tainted: [W]=WARN [ 17.341422][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.341424][ C1] Workqueue: ipv6_addrconf addrconf_dad_work [ 17.341427][ C1] Call Trace: [ 17.341429][ C1] [ 17.341430][ C1] dump_stack_lvl+0x6f/0xa0 [ 17.341434][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.341436][ C1] mark_lock_irq+0x989/0x9c0 [ 17.341438][ C1] ? add_lock_to_list+0x2c/0x1a0 [ 17.341441][ C1] mark_lock+0x1d7/0xa00 [ 17.341442][ C1] mark_usage+0x42/0x170 [ 17.341444][ C1] __lock_acquire+0x388/0xc20 [ 17.341446][ C1] lock_acquire.part.0+0xd4/0x280 [ 17.341448][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 17.341450][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341453][ C1] ? lock_acquire+0x13c/0x160 [ 17.341455][ C1] console_lock_spinning_enable+0x5c/0x60 [ 17.341457][ C1] ? console_lock_spinning_enable+0x40/0x60 [ 17.341458][ C1] console_emit_next_record+0x1d1/0x4c0 [ 17.341460][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 17.341462][ C1] ? console_flush_one_record+0x106/0x710 [ 17.341464][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341466][ C1] ? lock_acquire+0x13c/0x160 [ 17.341468][ C1] console_flush_one_record+0x46f/0x710 [ 17.341470][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 17.341471][ C1] ? __lock_acquire+0x518/0xc20 [ 17.341474][ C1] console_unlock+0xee/0x1f0 [ 17.341475][ C1] ? console_flush_one_record+0x710/0x710 [ 17.341477][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341479][ C1] ? lock_acquire+0x60/0x160 [ 17.341481][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.341482][ C1] ? vprintk_emit+0x320/0x3e0 [ 17.341484][ C1] vprintk_emit+0x37c/0x3e0 [ 17.341486][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 17.341488][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 17.341490][ C1] _printk+0xc7/0x100 [ 17.341492][ C1] ? snapshot_read.cold+0x21/0x21 [ 17.341493][ C1] ? ___ratelimit+0x4e7/0xa00 [ 17.341497][ C1] ? idr_get_free+0x830/0x830 [ 17.341499][ C1] addrconf_dad_failure.cold+0xfa/0x186 [ 17.341501][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 17.341503][ C1] ? inet6_rtm_newaddr+0x920/0x920 [ 17.341505][ C1] ? ipv6_get_ifaddr+0x2b5/0x570 [ 17.341507][ C1] ? addrconf_dad_work+0x930/0x930 [ 17.341508][ C1] ? __asan_memset+0x27/0x50 [ 17.341511][ C1] ? ndisc_parse_options.part.0+0x38/0x5c0 [ 17.341513][ C1] ndisc_recv_ns+0x713/0x1360 [ 17.341514][ C1] ? __print_lock_name+0x80/0x80 [ 17.341516][ C1] ? ndisc_netdev_event+0x460/0x460 [ 17.341518][ C1] ? ip6_pol_route+0x2dd/0xaa0 [ 17.341521][ C1] ? __asan_memset+0x27/0x50 [ 17.341522][ C1] ? ndisc_rcv+0x4e3/0x700 [ 17.341523][ C1] icmpv6_rcv+0x12c3/0x17d0 [ 17.341526][ C1] ip6_protocol_deliver_rcu+0x15c/0x1480 [ 17.341529][ C1] ip6_input_finish+0x196/0x590 [ 17.341530][ C1] ip6_input+0x130/0x570 [ 17.341532][ C1] ? ip6_input_finish+0x590/0x590 [ 17.341534][ C1] ? ipv6_chk_mcast_addr+0x213/0x7d0 [ 17.341536][ C1] ? ipv6_chk_mcast_addr+0x21d/0x7d0 [ 17.341538][ C1] ip6_mc_input+0x429/0xce0 [ 17.341540][ C1] ? ip6_input+0x570/0x570 [ 17.341541][ C1] ? __asan_memset+0x27/0x50 [ 17.341542][ C1] ? ip6_rcv_core+0xded/0x1be0 [ 17.341545][ C1] ipv6_rcv+0x3c1/0x5a0 [ 17.341546][ C1] ? ip6_rcv_core+0x1be0/0x1be0 [ 17.341548][ C1] ? mark_usage+0x61/0x170 [ 17.341549][ C1] ? __lock_acquire+0x518/0xc20 [ 17.341551][ C1] ? process_backlog+0x3f1/0x14c0 [ 17.341553][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 17.341555][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 17.341556][ C1] ? process_backlog+0x3f1/0x14c0 [ 17.341558][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.341560][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341563][ C1] process_backlog+0x431/0x14c0 [ 17.341565][ C1] __napi_poll+0xa7/0x3b0 [ 17.341568][ C1] net_rx_action+0x513/0xf50 [ 17.341570][ C1] ? __napi_poll+0x3b0/0x3b0 [ 17.341573][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 17.341574][ C1] ? __rwlock_init+0x150/0x150 [ 17.341576][ C1] ? __run_timers+0xaa0/0xaa0 [ 17.341579][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341581][ C1] ? mark_held_locks+0x40/0x70 [ 17.341583][ C1] handle_softirqs+0x1d3/0x900 [ 17.341585][ C1] ? _local_bh_enable+0xc0/0xc0 [ 17.341586][ C1] ? _local_bh_enable+0xc0/0xc0 [ 17.341588][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 17.341590][ C1] do_softirq+0xac/0xe0 [ 17.341591][ C1] [ 17.341591][ C1] [ 17.341592][ C1] __local_bh_enable_ip+0x118/0x150 [ 17.341594][ C1] __dev_queue_xmit+0x979/0x1b80 [ 17.341596][ C1] ? __lock_acquire+0x518/0xc20 [ 17.341598][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.341600][ C1] ? eth_header+0x14c/0x180 [ 17.341605][ C1] ip6_finish_output2+0x423/0x1300 [ 17.341607][ C1] ? ip6_dst_lookup+0x80/0x80 [ 17.341608][ C1] ? find_held_lock+0x2b/0x80 [ 17.341610][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 17.341612][ C1] ? ip6_mtu+0x15d/0x310 [ 17.341613][ C1] ip6_finish_output+0x646/0xda0 [ 17.341615][ C1] ip6_output+0x23f/0x7f0 [ 17.341617][ C1] ? ip6_finish_output+0xda0/0xda0 [ 17.341618][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 17.341619][ C1] ? find_held_lock+0x2b/0x80 [ 17.341621][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 17.341622][ C1] ? __local_bh_enable_ip+0xaa/0x150 [ 17.341624][ C1] ndisc_send_skb+0xba3/0x1520 [ 17.341627][ C1] ? ndisc_recv_na+0xea0/0xea0 [ 17.341629][ C1] ? trace_hardirqs_off+0xd/0x30 [ 17.341632][ C1] ? try_to_grab_pending+0x77/0x840 [ 17.341633][ C1] ? mark_held_locks+0x40/0x70 [ 17.341635][ C1] ndisc_send_ns+0xa9/0x120 [ 17.341636][ C1] ? find_held_lock+0x2b/0x80 [ 17.341638][ C1] ? ndisc_router_discovery+0x2ab0/0x2ab0 [ 17.341639][ C1] ? __rwlock_init+0x150/0x150 [ 17.341640][ C1] ? mark_held_locks+0x40/0x70 [ 17.341642][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 17.341644][ C1] addrconf_dad_work+0x6c2/0x930 [ 17.341646][ C1] ? addrconf_dad_begin+0x540/0x540 [ 17.341648][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341650][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341651][ C1] ? lock_acquire+0x13c/0x160 [ 17.341653][ C1] ? rcu_is_watching+0x16/0xd0 [ 17.341655][ C1] process_one_work+0xe3e/0x1560 [ 17.341658][ C1] ? __queue_delayed_work+0x470/0x470 [ 17.341660][ C1] ? lock_acquire.part.0+0xd4/0x280 [ 17.341662][ C1] worker_thread+0x4f1/0xd60 [ 17.341664][ C1] ? rescuer_thread+0x1340/0x1340 [ 17.341666][ C1] ? __kthread_parkme+0xbd/0x210 [ 17.341668][ C1] ? rescuer_thread+0x1340/0x1340 [ 17.341670][ C1] ? rescuer_thread+0x1340/0x1340 [ 17.341671][ C1] kthread+0x367/0x460 [ 17.341673][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.341674][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.341676][ C1] ret_from_fork+0x474/0x6b0 [ 17.341677][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.341679][ C1] ? __switch_to+0x5a3/0xe00 [ 17.341681][ C1] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.341683][ C1] ret_from_fork_asm+0x11/0x20 [ 17.341686][ C1] [ 24.938358][ T72] w1.20: left allmulticast mode [ 24.938375][ T72] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.938378][ T72] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 72, name: kworker/u16:1 [ 24.938380][ T72] preempt_count: 1, expected: 0 [ 24.938381][ T72] RCU nest depth: 0, expected: 0 [ 24.938381][ T72] INFO: lockdep is turned off. [ 24.938382][ T72] irq event stamp: 38061 [ 24.938383][ T72] hardirqs last enabled at (38060): [] __down_trylock_console_sem+0x86/0xa0 [ 24.938392][ T72] hardirqs last disabled at (38061): [] console_emit_next_record+0x3d4/0x4c0 [ 24.938395][ T72] softirqs last enabled at (37908): [] __dev_queue_xmit+0x964/0x1b80 [ 24.938399][ T72] softirqs last disabled at (37909): [] do_softirq+0xac/0xe0 [ 24.938403][ T72] Preemption disabled at: [ 24.938403][ T72] [] vprintk_emit+0x31b/0x3e0 [ 24.938410][ T72] CPU: 3 UID: 0 PID: 72 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.938413][ T72] Tainted: [W]=WARN [ 24.938414][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.938416][ T72] Workqueue: netns cleanup_net [ 24.938421][ T72] Call Trace: [ 24.938422][ T72] [ 24.938424][ T72] dump_stack_lvl+0x6f/0xa0 [ 24.938429][ T72] ? vprintk_emit+0x31b/0x3e0 [ 24.938431][ T72] __might_resched.cold+0x1fe/0x2c1 [ 24.938435][ T72] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.938438][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938442][ T72] __kmalloc_noprof+0x443/0x760 [ 24.938445][ T72] ? __rwlock_init+0x150/0x150 [ 24.938448][ T72] ? alloc_buf.isra.0+0x4b/0x260 [ 24.938452][ T72] ? do_raw_spin_unlock+0x59/0x250 [ 24.938453][ T72] alloc_buf.isra.0+0x4b/0x260 [ 24.938455][ T72] put_chars+0x1e1/0x2f0 [ 24.938457][ T72] ? desc_read_finalized_seq+0x79/0x120 [ 24.938459][ T72] ? __send_to_port+0x420/0x420 [ 24.938461][ T72] ? console_prepend_replay+0x20/0x20 [ 24.938463][ T72] hvc_console_print+0x292/0x780 [ 24.938467][ T72] ? hvc_write+0x3a0/0x3a0 [ 24.938468][ T72] ? do_raw_spin_lock+0x131/0x280 [ 24.938470][ T72] ? __rwlock_init+0x150/0x150 [ 24.938471][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938473][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938475][ T72] ? lock_acquire+0x13c/0x160 [ 24.938477][ T72] console_emit_next_record+0x22f/0x4c0 [ 24.938479][ T72] ? devkmsg_read+0x4b0/0x4b0 [ 24.938481][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938483][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938484][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938486][ T72] ? lock_acquire+0x13c/0x160 [ 24.938488][ T72] ? console_flush_one_record+0x111/0x710 [ 24.938490][ T72] console_flush_one_record+0x46f/0x710 [ 24.938492][ T72] ? console_emit_next_record+0x4c0/0x4c0 [ 24.938495][ T72] console_unlock+0xee/0x1f0 [ 24.938497][ T72] ? lock_acquire+0x13c/0x160 [ 24.938498][ T72] ? console_flush_one_record+0x710/0x710 [ 24.938500][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938501][ T72] ? lock_release+0x184/0x1f0 [ 24.938503][ T72] ? lock_acquire+0x60/0x160 [ 24.938504][ T72] ? __rcu_read_lock+0x30/0x70 [ 24.938506][ T72] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.938508][ T72] ? vprintk_emit+0x320/0x3e0 [ 24.938510][ T72] vprintk_emit+0x37c/0x3e0 [ 24.938512][ T72] ? wake_up_klogd_work_func+0x90/0x90 [ 24.938514][ T72] ? process_one_work+0xe3e/0x1560 [ 24.938517][ T72] ? kthread+0x367/0x460 [ 24.938519][ T72] ? ret_from_fork+0x474/0x6b0 [ 24.938521][ T72] ? ret_from_fork_asm+0x11/0x20 [ 24.938523][ T72] _printk+0xc7/0x100 [ 24.938527][ T72] ? snapshot_read.cold+0x21/0x21 [ 24.938529][ T72] ? netdev_name+0x43/0x60 [ 24.938532][ T72] ? __netdev_printk+0x17f/0x1d0 [ 24.938534][ T72] netdev_info+0xe2/0x116 [ 24.938535][ T72] ? netdev_notice+0x120/0x120 [ 24.938537][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938539][ T72] ? __up_read+0x355/0x9e0 [ 24.938541][ T72] ? trace_hardirqs_on+0x36/0x40 [ 24.938543][ T72] ? down_write_nested+0x200/0x200 [ 24.938545][ T72] ? mutex_is_locked+0x1c/0x50 [ 24.938548][ T72] netif_set_allmulti.cold+0x7c/0x166 [ 24.938551][ T72] dev_set_allmulti+0xa2/0x150 [ 24.938553][ T72] del_nbp+0xb7/0xc10 [bridge] [ 24.938567][ T72] br_dev_delete+0x9d/0x1e0 [bridge] [ 24.938575][ T72] br_net_exit_rtnl+0xb8/0x110 [bridge] [ 24.938582][ T72] ops_undo_list+0x5be/0x8f0 [ 24.938584][ T72] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 24.938586][ T72] ? idr_destroy+0x121/0x250 [ 24.938590][ T72] cleanup_net+0x431/0x890 [ 24.938592][ T72] ? net_passive_dec+0x230/0x230 [ 24.938594][ T72] ? lock_acquire+0x13c/0x160 [ 24.938596][ T72] ? rcu_is_watching+0x16/0xd0 [ 24.938598][ T72] process_one_work+0xe3e/0x1560 [ 24.938601][ T72] ? __queue_delayed_work+0x470/0x470 [ 24.938604][ T72] ? __rwlock_init+0x150/0x150 [ 24.938606][ T72] worker_thread+0x4f1/0xd60 [ 24.938608][ T72] ? rescuer_thread+0x1340/0x1340 [ 24.938610][ T72] ? __kthread_parkme+0xbd/0x210 [ 24.938611][ T72] ? rescuer_thread+0x1340/0x1340 [ 24.938613][ T72] ? rescuer_thread+0x1340/0x1340 [ 24.938615][ T72] kthread+0x367/0x460 [ 24.938616][ T72] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 24.938618][ T72] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.938619][ T72] ret_from_fork+0x474/0x6b0 [ 24.938621][ T72] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 24.938623][ T72] ? __switch_to+0x5a3/0xe00 [ 24.938625][ T72] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.938627][ T72] ret_from_fork_asm+0x11/0x20 [ 24.938630][ T72] [ 24.953727][ T72] w1.20: left promiscuous mode [ 24.954151][ T72] br3: port 3(w1.20) entered disabled state [ 24.955191][ T72] vx200: left allmulticast mode [ 24.955332][ T72] vx200: left promiscuous mode [ 24.955527][ T72] br3: port 2(vx200) entered disabled state [ 24.957386][ T72] w1: left allmulticast mode [ 24.957565][ T72] w1: left promiscuous mode [ 24.957808][ T72] br3: port 1(w1) entered disabled state [ 25.046955][ T72] vx100: left allmulticast mode [ 25.051888][ T72] vx100: left promiscuous mode [ 25.052239][ T72] br3: port 2(vx100) entered disabled state [ 25.054757][ T72] w1: left allmulticast mode [ 25.054967][ T72] w1: left promiscuous mode [ 25.055518][ T72] br3: port 1(w1) entered disabled state [ 25.435921][ T559] vx200: left allmulticast mode [ 25.436131][ T559] vx200: left promiscuous mode [ 25.436348][ T559] br2: port 1(vx200) entered disabled state [ 25.516130][ T562] br2: port 2(veth2.20) entered disabled state [ 25.516782][ T562] veth2.20 (unregistering): left allmulticast mode [ 25.516962][ T562] veth2: left allmulticast mode [ 25.517883][ T562] veth2.20 (unregistering): left promiscuous mode [ 25.518065][ T562] veth2: left promiscuous mode [ 25.518303][ T562] br2: port 2(veth2.20) entered disabled state [ 25.616670][ T566] br1: port 2(veth1) entered disabled state [ 25.637874][ T567] veth1: left allmulticast mode [ 25.638049][ T567] veth1: left promiscuous mode [ 25.638288][ T567] br1: port 2(veth1) entered disabled state [ 25.662067][ T568] vx100: left allmulticast mode [ 25.662323][ T568] vx100: left promiscuous mode [ 25.662626][ T568] br1: port 1(vx100) entered disabled state