[ 10.924865][ T225] 8021q: 802.1Q VLAN Support v1.8 [ 10.924888][ T225] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.924891][ T225] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 225, name: modprobe [ 10.924894][ T225] preempt_count: 1, expected: 0 [ 10.924895][ T225] RCU nest depth: 0, expected: 0 [ 10.924896][ T225] locks held by modprobe/225: 4, last CPU#2: [ 10.924900][ T225] #0: ffffffffab369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.924914][ T225] #1: ffffffffab369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.924920][ T225] #2: ffffffffab289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.924932][ T225] #3: ffffffffab289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.924938][ T225] irq event stamp: 30528 [ 10.924939][ T225] hardirqs last enabled at (30527): [] __down_trylock_console_sem+0x86/0xa0 [ 10.924943][ T225] hardirqs last disabled at (30528): [] console_emit_next_record+0x3d4/0x4c0 [ 10.924946][ T225] softirqs last enabled at (27980): [] handle_softirqs+0x67c/0x900 [ 10.924950][ T225] softirqs last disabled at (27571): [] __irq_exit_rcu+0x145/0x1c0 [ 10.924953][ T225] Preemption disabled at: [ 10.924954][ T225] [] vprintk_emit+0x31b/0x3e0 [ 10.924962][ T225] CPU: 2 UID: 0 PID: 225 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.924966][ T225] Tainted: [W]=WARN [ 10.924968][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.924970][ T225] Call Trace: [ 10.924972][ T225] [ 10.924974][ T225] dump_stack_lvl+0x6f/0xa0 [ 10.924981][ T225] ? vprintk_emit+0x31b/0x3e0 [ 10.924984][ T225] __might_resched.cold+0x1fe/0x2c1 [ 10.924991][ T225] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.924996][ T225] ? __kmalloc_noprof+0xdb/0x760 [ 10.925003][ T225] __kmalloc_noprof+0x443/0x760 [ 10.925007][ T225] ? alloc_buf.isra.0+0x4b/0x260 [ 10.925016][ T225] ? do_raw_spin_unlock+0x59/0x250 [ 10.925019][ T225] alloc_buf.isra.0+0x4b/0x260 [ 10.925024][ T225] put_chars+0x1e1/0x2f0 [ 10.925028][ T225] ? __send_to_port+0x420/0x420 [ 10.925030][ T225] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.925036][ T225] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.925040][ T225] ? validate_chain+0x38b/0xc20 [ 10.925048][ T225] hvc_console_print+0x292/0x780 [ 10.925051][ T225] ? __lock_acquire+0x518/0xc20 [ 10.925059][ T225] ? hvc_write+0x3a0/0x3a0 [ 10.925064][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.925072][ T225] console_emit_next_record+0x22f/0x4c0 [ 10.925078][ T225] ? devkmsg_read+0x4b0/0x4b0 [ 10.925081][ T225] ? console_flush_one_record+0x106/0x710 [ 10.925086][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.925089][ T225] ? lock_acquire+0x13c/0x160 [ 10.925096][ T225] console_flush_one_record+0x46f/0x710 [ 10.925103][ T225] ? console_emit_next_record+0x4c0/0x4c0 [ 10.925105][ T225] ? __lock_acquire+0x518/0xc20 [ 10.925114][ T225] console_unlock+0xee/0x1f0 [ 10.925118][ T225] ? console_flush_one_record+0x710/0x710 [ 10.925120][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.925124][ T225] ? lock_acquire+0x60/0x160 [ 10.925130][ T225] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.925133][ T225] ? vprintk_emit+0x320/0x3e0 [ 10.925138][ T225] vprintk_emit+0x37c/0x3e0 [ 10.925144][ T225] ? wake_up_klogd_work_func+0x90/0x90 [ 10.925154][ T225] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 10.925159][ T225] _printk+0xc7/0x100 [ 10.925164][ T225] ? snapshot_read.cold+0x21/0x21 [ 10.925174][ T225] ? do_one_initcall+0x113/0x4f0 [ 10.925179][ T225] vlan_proto_init+0x24/0x90 [8021q] [ 10.925184][ T225] do_one_initcall+0x124/0x4f0 [ 10.925188][ T225] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.925196][ T225] ? do_init_module+0xae/0x8a0 [ 10.925200][ T225] ? kasan_unpoison+0x44/0x70 [ 10.925207][ T225] do_init_module+0x2ad/0x8a0 [ 10.925213][ T225] ? lockdep_hardirqs_on+0x91/0x130 [ 10.925219][ T225] ? free_module+0x470/0x470 [ 10.925224][ T225] ? kfree+0x123/0x590 [ 10.925231][ T225] load_module+0x1424/0x1bb0 [ 10.925243][ T225] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.925249][ T225] ? __ia32_sys_fsconfig+0x180/0x180 [ 10.925253][ T225] ? ovl_real_file+0x172/0x1e0 [ 10.925258][ T225] ? backing_file_read_iter+0x541/0x790 [ 10.925263][ T225] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.925269][ T225] init_module_from_file+0x11f/0x1a0 [ 10.925274][ T225] ? __do_sys_init_module+0x220/0x220 [ 10.925288][ T225] ? __rwlock_init+0x150/0x150 [ 10.925294][ T225] ? do_raw_spin_unlock+0x59/0x250 [ 10.925299][ T225] idempotent_init_module+0x37b/0x7c0 [ 10.925305][ T225] ? init_module_from_file+0x1a0/0x1a0 [ 10.925316][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.925319][ T225] ? cap_capable+0x1d7/0x3d0 [ 10.925328][ T225] __x64_sys_finit_module+0xdf/0x190 [ 10.925331][ T225] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.925337][ T225] do_syscall_64+0xff/0x530 [ 10.925339][ T225] ? exc_page_fault+0xee/0x100 [ 10.925344][ T225] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.925347][ T225] RIP: 0033:0x7f6a0975237d [ 10.925352][ T225] 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 [ 10.925354][ T225] RSP: 002b:00007ffe20098e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.925358][ T225] RAX: ffffffffffffffda RBX: 000056213a847810 RCX: 00007f6a0975237d [ 10.925360][ T225] RDX: 0000000000000000 RSI: 0000562128bf3ffd RDI: 0000000000000000 [ 10.925361][ T225] RBP: 00007ffe20098f10 R08: 0000000000000000 R09: 0000000000000000 [ 10.925362][ T225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562128bf3ffd [ 10.925364][ T225] R13: 000056213a847960 R14: 0000000000040000 R15: 0000000000000000 [ 10.925377][ T225] [ 11.864743][ T249] br0: port 1(veth1) entered blocking state [ 11.865426][ T249] br0: port 1(veth1) entered disabled state [ 11.865741][ T249] veth1: entered allmulticast mode [ 11.867342][ T249] veth1: entered promiscuous mode [ 11.899337][ T251] br0: port 2(veth2) entered blocking state [ 11.899878][ T251] br0: port 2(veth2) entered disabled state [ 11.900562][ T251] veth2: entered allmulticast mode [ 11.902102][ T251] veth2: entered promiscuous mode [ 11.969147][ T45] br0: port 1(veth1) entered blocking state [ 11.969210][ T45] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.969212][ T45] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 45, name: kworker/u17:1 [ 11.969214][ T45] preempt_count: 202, expected: 0 [ 11.969215][ T45] RCU nest depth: 0, expected: 0 [ 11.969216][ T45] locks held by kworker/u17:1/45: 8, last CPU#0: [ 11.969218][ T45] #0: ff1100000114a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 11.969231][ T45] #1: ffa000000031fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 11.969235][ T45] #2: ffffffffabad2c40 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 11.969241][ T45] #3: ff1100000cbeae58 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [bridge] [ 11.969256][ T45] #4: ffffffffab369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.969262][ T45] #5: ffffffffab369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.969266][ T45] #6: ffffffffab289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.969269][ T45] #7: ffffffffab289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.969273][ T45] irq event stamp: 54829 [ 11.969274][ T45] hardirqs last enabled at (54828): [] __down_trylock_console_sem+0x86/0xa0 [ 11.969277][ T45] hardirqs last disabled at (54829): [] console_emit_next_record+0x3d4/0x4c0 [ 11.969279][ T45] softirqs last enabled at (54782): [] inet6_fill_ifla6_attrs+0x1b3e/0x21e0 [ 11.969283][ T45] softirqs last disabled at (54824): [] br_port_carrier_check+0x161/0x430 [bridge] [ 11.969291][ T45] Preemption disabled at: [ 11.969292][ T45] [<0000000000000000>] 0x0 [ 11.969299][ T45] CPU: 0 UID: 0 PID: 45 Comm: kworker/u17:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.969303][ T45] Tainted: [W]=WARN [ 11.969304][ T45] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.969306][ T45] Workqueue: events_unbound linkwatch_event [ 11.969309][ T45] Call Trace: [ 11.969311][ T45] [ 11.969312][ T45] dump_stack_lvl+0x6f/0xa0 [ 11.969319][ T45] __might_resched.cold+0x1fe/0x2c1 [ 11.969323][ T45] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.969328][ T45] ? __kmalloc_noprof+0xdb/0x760 [ 11.969333][ T45] __kmalloc_noprof+0x443/0x760 [ 11.969336][ T45] ? alloc_buf.isra.0+0x4b/0x260 [ 11.969342][ T45] ? do_raw_spin_unlock+0x59/0x250 [ 11.969344][ T45] alloc_buf.isra.0+0x4b/0x260 [ 11.969348][ T45] put_chars+0x1e1/0x2f0 [ 11.969351][ T45] ? __send_to_port+0x420/0x420 [ 11.969352][ T45] ? check_prev_add+0x316/0xe90 [ 11.969356][ T45] ? validate_chain+0x34a/0xc20 [ 11.969360][ T45] hvc_console_print+0x292/0x780 [ 11.969363][ T45] ? mark_usage+0x61/0x170 [ 11.969365][ T45] ? __lock_acquire+0x518/0xc20 [ 11.969366][ T45] ? __lock_acquire+0x518/0xc20 [ 11.969371][ T45] ? hvc_write+0x3a0/0x3a0 [ 11.969372][ T45] ? lock_acquire.part.0+0xd4/0x280 [ 11.969377][ T45] ? lock_acquire+0x13c/0x160 [ 11.969382][ T45] console_emit_next_record+0x22f/0x4c0 [ 11.969386][ T45] ? devkmsg_read+0x4b0/0x4b0 [ 11.969387][ T45] ? console_flush_one_record+0x106/0x710 [ 11.969391][ T45] ? rcu_is_watching+0x16/0xd0 [ 11.969395][ T45] ? lock_acquire+0x13c/0x160 [ 11.969399][ T45] console_flush_one_record+0x46f/0x710 [ 11.969403][ T45] ? console_emit_next_record+0x4c0/0x4c0 [ 11.969405][ T45] ? __lock_acquire+0x518/0xc20 [ 11.969410][ T45] console_unlock+0xee/0x1f0 [ 11.969413][ T45] ? console_flush_one_record+0x710/0x710 [ 11.969415][ T45] ? rcu_is_watching+0x16/0xd0 [ 11.969417][ T45] ? lock_acquire+0x60/0x160 [ 11.969421][ T45] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.969423][ T45] ? vprintk_emit+0x320/0x3e0 [ 11.969426][ T45] vprintk_emit+0x37c/0x3e0 [ 11.969430][ T45] ? wake_up_klogd_work_func+0x90/0x90 [ 11.969437][ T45] _printk+0xc7/0x100 [ 11.969440][ T45] ? snapshot_read.cold+0x21/0x21 [ 11.969446][ T45] ? lock_acquire.part.0+0xd4/0x280 [ 11.969450][ T45] br_set_state+0x22f/0x430 [bridge] [ 11.969460][ T45] br_init_port+0xc4/0x200 [bridge] [ 11.969468][ T45] br_stp_enable_port+0x12/0x50 [bridge] [ 11.969476][ T45] br_port_carrier_check+0x220/0x430 [bridge] [ 11.969484][ T45] br_device_event+0x52d/0x8f0 [bridge] [ 11.969493][ T45] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 11.969495][ T45] ? nlmsg_notify+0x62/0x250 [ 11.969502][ T45] notifier_call_chain+0xae/0x300 [ 11.969508][ T45] netif_state_change+0x139/0x340 [ 11.969512][ T45] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 11.969517][ T45] ? linkwatch_do_dev+0xae/0xd0 [ 11.969519][ T45] __linkwatch_run_queue+0x34c/0x750 [ 11.969522][ T45] ? linkwatch_do_dev+0xd0/0xd0 [ 11.969525][ T45] ? lock_acquire.part.0+0xd4/0x280 [ 11.969529][ T45] linkwatch_event+0x7f/0xb0 [ 11.969532][ T45] ? __linkwatch_run_queue+0x750/0x750 [ 11.969535][ T45] process_one_work+0xe3e/0x1560 [ 11.969542][ T45] ? __queue_delayed_work+0x470/0x470 [ 11.969545][ T45] ? lock_acquire.part.0+0xd4/0x280 [ 11.969552][ T45] worker_thread+0x4f1/0xd60 [ 11.969560][ T45] ? rescuer_thread+0x1340/0x1340 [ 11.969562][ T45] kthread+0x367/0x460 [ 11.969564][ T45] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.969567][ T45] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.969569][ T45] ret_from_fork+0x474/0x6b0 [ 11.969573][ T45] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 11.969577][ T45] ? __switch_to+0x5a3/0xe00 [ 11.969580][ T45] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.969583][ T45] ret_from_fork_asm+0x11/0x20 [ 11.969591][ T45] [ 11.995038][ T45] br0: port 1(veth1) entered forwarding state [ 12.026833][ T45] br0: port 2(veth2) entered blocking state [ 12.027207][ T45] br0: port 2(veth2) entered forwarding state [ 27.496988][ C0] [ 27.497010][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.497012][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 27.497014][ C0] preempt_count: 104, expected: 0 [ 27.497015][ C0] RCU nest depth: 0, expected: 0 [ 27.497016][ C0] INFO: lockdep is turned off. [ 27.497016][ C0] irq event stamp: 677248 [ 27.497017][ C0] hardirqs last enabled at (677248): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.497026][ C0] hardirqs last disabled at (677247): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.497028][ C0] softirqs last enabled at (677238): [] handle_softirqs+0x67c/0x900 [ 27.497032][ C0] softirqs last disabled at (677245): [] __irq_exit_rcu+0x145/0x1c0 [ 27.497033][ C0] Preemption disabled at: [ 27.497034][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 27.497041][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.497044][ C0] Tainted: [W]=WARN [ 27.497045][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.497047][ C0] Call Trace: [ 27.497049][ C0] [ 27.497050][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.497056][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 27.497057][ C0] __might_resched.cold+0x1fe/0x2c1 [ 27.497060][ C0] ? validate_chain+0x38b/0xc20 [ 27.497063][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.497066][ C0] ? __asan_memcpy+0x3c/0x60 [ 27.497069][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497073][ C0] __kmalloc_noprof+0x443/0x760 [ 27.497076][ C0] ? __rwlock_init+0x150/0x150 [ 27.497078][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 27.497082][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 27.497083][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.497085][ C0] put_chars+0x1e1/0x2f0 [ 27.497087][ C0] ? __send_to_port+0x420/0x420 [ 27.497089][ C0] ? console_prepend_replay+0x20/0x20 [ 27.497092][ C0] hvc_console_print+0x292/0x780 [ 27.497096][ C0] ? hvc_write+0x3a0/0x3a0 [ 27.497097][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497099][ C0] ? lock_acquire+0x13c/0x160 [ 27.497101][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.497103][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 27.497105][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497107][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497109][ C0] ? lock_acquire+0x13c/0x160 [ 27.497110][ C0] ? console_flush_one_record+0x111/0x710 [ 27.497112][ C0] console_flush_one_record+0x46f/0x710 [ 27.497114][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 27.497117][ C0] console_unlock+0xee/0x1f0 [ 27.497118][ C0] ? lock_acquire+0x13c/0x160 [ 27.497120][ C0] ? console_flush_one_record+0x710/0x710 [ 27.497122][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497123][ C0] ? lock_release+0x184/0x1f0 [ 27.497124][ C0] ? lock_acquire+0x60/0x160 [ 27.497126][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.497128][ C0] ? vprintk_emit+0x320/0x3e0 [ 27.497130][ C0] vprintk_emit+0x37c/0x3e0 [ 27.497132][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 27.497134][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497135][ C0] ? lock_release+0x184/0x1f0 [ 27.497137][ C0] ? x86_64_start_kernel+0xe0/0x130 [ 27.497141][ C0] _printk+0xc7/0x100 [ 27.497144][ C0] ? snapshot_read.cold+0x21/0x21 [ 27.497146][ C0] ? arch_stack_walk+0xd7/0x130 [ 27.497150][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.497152][ C0] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.497154][ C0] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.497156][ C0] mark_lock_irq+0x989/0x9c0 [ 27.497159][ C0] mark_lock+0x1d7/0xa00 [ 27.497161][ C0] mark_usage+0x42/0x170 [ 27.497162][ C0] __lock_acquire+0x388/0xc20 [ 27.497164][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.497166][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.497179][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497180][ C0] ? lock_acquire+0x13c/0x160 [ 27.497182][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.497188][ C0] _raw_spin_lock+0x33/0x40 [ 27.497190][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.497196][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.497203][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.497209][ C0] call_timer_fn+0x160/0x4d0 [ 27.497212][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.497214][ C0] ? debug_object_active_state+0x430/0x430 [ 27.497217][ C0] ? find_held_lock+0x2b/0x80 [ 27.497219][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.497220][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497223][ C0] __run_timers+0x68f/0xaa0 [ 27.497224][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.497231][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.497233][ C0] ? __lock_acquire+0x518/0xc20 [ 27.497235][ C0] ? __rwlock_init+0x150/0x150 [ 27.497237][ C0] run_timer_softirq+0xf0/0x160 [ 27.497239][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.497241][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.497243][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497245][ C0] handle_softirqs+0x1d3/0x900 [ 27.497247][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.497248][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.497250][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.497252][ C0] irq_exit_rcu+0xe/0x30 [ 27.497253][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.497256][ C0] [ 27.497256][ C0] [ 27.497257][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.497259][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.497261][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.497263][ C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.497265][ C0] RSP: 0018:ffffffffab007cf8 EFLAGS: 00000296 [ 27.497268][ C0] RAX: 00000000000a557b RBX: ffffffffab01c600 RCX: ffffffffa80f0307 [ 27.497269][ C0] RDX: ffffffffab01c600 RSI: ffffffffaae38af6 RDI: ffffffffaa88d8e0 [ 27.497270][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.497271][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5600fa2 [ 27.497272][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.497273][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.497277][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.497278][ C0] default_idle+0x9/0x10 [ 27.497280][ C0] default_idle_call+0x6e/0xb0 [ 27.497281][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.497283][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.497284][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.497287][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.497289][ C0] do_idle+0xd8/0x190 [ 27.497290][ C0] cpu_startup_entry+0x53/0x70 [ 27.497292][ C0] rest_init+0x279/0x280 [ 27.497294][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.497297][ C0] ? rest_init+0x280/0x280 [ 27.497299][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.497302][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.497305][ C0] ? acpi_enable+0x1e4/0x330 [ 27.497307][ C0] start_kernel+0x3af/0x3b0 [ 27.497309][ C0] x86_64_start_reservations+0x24/0x30 [ 27.497311][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.497313][ C0] common_startup_64+0x13e/0x148 [ 27.497317][ C0] [ 27.523479][ C0] ======================================================== [ 27.523750][ C0] WARNING: possible irq lock inversion dependency detected [ 27.523968][ C0] 7.2.0-virtme #1 Tainted: G W [ 27.524203][ C0] -------------------------------------------------------- [ 27.524471][ C0] swapper/0/0 just changed the state of lock: [ 27.524653][ C0] ff1100000cbeae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.525015][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.525283][ C0] (fs_reclaim){+.+.}-{0:0} [ 27.525285][ C0] [ 27.525285][ C0] [ 27.525285][ C0] and interrupts could create inverse lock ordering between them. [ 27.525285][ C0] [ 27.525918][ C0] [ 27.525918][ C0] other info that might help us debug this: [ 27.526193][ C0] Chain exists of: [ 27.526193][ C0] &br->lock --> console_owner --> fs_reclaim [ 27.526193][ C0] [ 27.526573][ C0] Possible interrupt unsafe locking scenario: [ 27.526573][ C0] [ 27.526839][ C0] CPU0 CPU1 [ 27.526985][ C0] ---- ---- [ 27.527191][ C0] lock(fs_reclaim); [ 27.527306][ C0] local_irq_disable(); [ 27.527540][ C0] lock(&br->lock); [ 27.527725][ C0] lock(console_owner); [ 27.527958][ C0] [ 27.528073][ C0] lock(&br->lock); [ 27.528237][ C0] [ 27.528237][ C0] *** DEADLOCK *** [ 27.528237][ C0] [ 27.528454][ C0] locks held by swapper/0/0: 1, last CPU#0: [ 27.528686][ C0] #0: ffa0000000007c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.529032][ C0] [ 27.529032][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 27.529333][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 27.529483][ C0] HARDIRQ-ON-W at: [ 27.529647][ C0] __lock_acquire+0x388/0xc20 [ 27.529841][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.530079][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.530313][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.530532][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.530802][ C0] workqueue_init+0x2a/0x680 [ 27.531044][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.531263][ C0] kernel_init+0x21/0x150 [ 27.531502][ C0] ret_from_fork+0x474/0x6b0 [ 27.531738][ C0] ret_from_fork_asm+0x11/0x20 [ 27.531923][ C0] SOFTIRQ-ON-W at: [ 27.532092][ C0] __lock_acquire+0x388/0xc20 [ 27.532274][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.532510][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.532747][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.532968][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.533242][ C0] workqueue_init+0x2a/0x680 [ 27.533480][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.533695][ C0] kernel_init+0x21/0x150 [ 27.533929][ C0] ret_from_fork+0x474/0x6b0 [ 27.534171][ C0] ret_from_fork_asm+0x11/0x20 [ 27.534355][ C0] INITIAL USE at: [ 27.534514][ C0] __lock_acquire+0x388/0xc20 [ 27.534698][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.534931][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.535171][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.535394][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.535665][ C0] workqueue_init+0x2a/0x680 [ 27.535901][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.536090][ C0] kernel_init+0x21/0x150 [ 27.536321][ C0] ret_from_fork+0x474/0x6b0 [ 27.536552][ C0] ret_from_fork_asm+0x11/0x20 [ 27.536737][ C0] } [ 27.536814][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.537089][ C0] ... acquired at: [ 27.537250][ C0] __lock_acquire+0x518/0xc20 [ 27.537401][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.537596][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.537742][ C0] __kmalloc_noprof+0xd3/0x760 [ 27.537936][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.538089][ C0] put_chars+0x1e1/0x2f0 [ 27.538286][ C0] hvc_console_print+0x292/0x780 [ 27.538432][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.538630][ C0] console_flush_one_record+0x46f/0x710 [ 27.538775][ C0] console_unlock+0xee/0x1f0 [ 27.538976][ C0] vprintk_emit+0x37c/0x3e0 [ 27.539127][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 27.539323][ C0] dev_printk_emit+0xb9/0xee [ 27.539468][ C0] _dev_info+0xe2/0x116 [ 27.539580][ C0] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 27.539809][ C0] cmos_do_probe+0x73b/0x98a [ 27.540009][ C0] platform_probe+0xfe/0x1f0 [ 27.540153][ C0] call_driver_probe+0x61/0x1c0 [ 27.540348][ C0] really_probe+0x199/0x760 [ 27.540492][ C0] __driver_probe_device+0x24f/0x440 [ 27.540687][ C0] driver_probe_device+0x4a/0xf0 [ 27.540834][ C0] __driver_attach+0x1b8/0x540 [ 27.541037][ C0] bus_for_each_dev+0x130/0x1e0 [ 27.541185][ C0] bus_add_driver+0x2c8/0x530 [ 27.541377][ C0] driver_register+0x1a3/0x390 [ 27.541521][ C0] __platform_driver_probe+0x13f/0x270 [ 27.541719][ C0] cmos_init+0x31/0x40 [ 27.541830][ C0] do_one_initcall+0x124/0x4f0 [ 27.541975][ C0] kernel_init_freeable+0x596/0x630 [ 27.542175][ C0] kernel_init+0x21/0x150 [ 27.542326][ C0] ret_from_fork+0x474/0x6b0 [ 27.542522][ C0] ret_from_fork_asm+0x11/0x20 [ 27.542668][ C0] [ 27.542795][ C0] -> (console_owner){....}-{0:0} { [ 27.542951][ C0] INITIAL USE at: [ 27.543117][ C0] } [ 27.543192][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.543460][ C0] ... acquired at: [ 27.543568][ C0] __lock_acquire+0x518/0xc20 [ 27.543718][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.543912][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.544148][ C0] console_emit_next_record+0x1d1/0x4c0 [ 27.544294][ C0] console_flush_one_record+0x46f/0x710 [ 27.544491][ C0] console_unlock+0xee/0x1f0 [ 27.544638][ C0] vprintk_emit+0x37c/0x3e0 [ 27.544833][ C0] _printk+0xc7/0x100 [ 27.544946][ C0] br_set_state+0x22f/0x430 [bridge] [ 27.545104][ C0] br_init_port+0xc4/0x200 [bridge] [ 27.545308][ C0] br_stp_enable_port+0x12/0x50 [bridge] [ 27.545544][ C0] br_port_carrier_check+0x220/0x430 [bridge] [ 27.545737][ C0] br_device_event+0x52d/0x8f0 [bridge] [ 27.545939][ C0] notifier_call_chain+0xae/0x300 [ 27.546089][ C0] netif_state_change+0x139/0x340 [ 27.546285][ C0] __linkwatch_run_queue+0x34c/0x750 [ 27.546436][ C0] linkwatch_event+0x7f/0xb0 [ 27.546631][ C0] process_one_work+0xe3e/0x1560 [ 27.546775][ C0] worker_thread+0x4f1/0xd60 [ 27.546970][ C0] kthread+0x367/0x460 [ 27.547087][ C0] ret_from_fork+0x474/0x6b0 [ 27.547285][ C0] ret_from_fork_asm+0x11/0x20 [ 27.547431][ C0] [ 27.547503][ C0] -> (&br->lock){+.-.}-{3:3} { [ 27.547703][ C0] HARDIRQ-ON-W at: [ 27.547814][ C0] __lock_acquire+0x388/0xc20 [ 27.548052][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.548232][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.548465][ C0] recalculate_group_addr+0x51/0x120 [bridge] [ 27.548742][ C0] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 27.549022][ C0] br_changelink+0x575/0x16e0 [bridge] [ 27.549213][ C0] br_dev_newlink+0xeb/0x160 [bridge] [ 27.549448][ C0] rtnl_newlink_create+0x2d0/0x750 [ 27.549632][ C0] __rtnl_newlink+0x22b/0xa50 [ 27.549863][ C0] rtnl_newlink+0x9f1/0x11c0 [ 27.550101][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.550284][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.550520][ C0] netlink_unicast+0x486/0x750 [ 27.550774][ C0] netlink_sendmsg+0x735/0xc60 [ 27.550957][ C0] ____sys_sendmsg+0x415/0x880 [ 27.551195][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.551382][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.551616][ C0] do_syscall_64+0xff/0x530 [ 27.551849][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.552076][ C0] IN-SOFTIRQ-W at: [ 27.552237][ C0] __lock_acquire+0x388/0xc20 [ 27.552420][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.552657][ C0] _raw_spin_lock+0x33/0x40 [ 27.552895][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.553124][ C0] call_timer_fn+0x160/0x4d0 [ 27.553359][ C0] __run_timers+0x68f/0xaa0 [ 27.553593][ C0] run_timer_softirq+0xf0/0x160 [ 27.553775][ C0] handle_softirqs+0x1d3/0x900 [ 27.554016][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.554251][ C0] irq_exit_rcu+0xe/0x30 [ 27.554433][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.554699][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.554967][ C0] pv_native_safe_halt+0xf/0x10 [ 27.555155][ C0] default_idle+0x9/0x10 [ 27.555388][ C0] default_idle_call+0x6e/0xb0 [ 27.555620][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.555838][ C0] do_idle+0xd8/0x190 [ 27.556036][ C0] cpu_startup_entry+0x53/0x70 [ 27.556222][ C0] rest_init+0x279/0x280 [ 27.556457][ C0] start_kernel+0x3af/0x3b0 [ 27.556695][ C0] x86_64_start_reservations+0x24/0x30 [ 27.556881][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.557121][ C0] common_startup_64+0x13e/0x148 [ 27.557356][ C0] INITIAL USE at: [ 27.557468][ C0] __lock_acquire+0x388/0xc20 [ 27.557713][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.557898][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.558139][ C0] recalculate_group_addr+0x51/0x120 [bridge] [ 27.558418][ C0] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 27.558643][ C0] br_changelink+0x575/0x16e0 [bridge] [ 27.558883][ C0] br_dev_newlink+0xeb/0x160 [bridge] [ 27.559127][ C0] rtnl_newlink_create+0x2d0/0x750 [ 27.559314][ C0] __rtnl_newlink+0x22b/0xa50 [ 27.559546][ C0] rtnl_newlink+0x9f1/0x11c0 [ 27.559731][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.559963][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.560203][ C0] netlink_unicast+0x486/0x750 [ 27.560387][ C0] netlink_sendmsg+0x735/0xc60 [ 27.560619][ C0] ____sys_sendmsg+0x415/0x880 [ 27.560853][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.561036][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.561265][ C0] do_syscall_64+0xff/0x530 [ 27.561444][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.561709][ C0] } [ 27.561783][ C0] ... key at: [] __key.7+0x0/0x40 [bridge] [ 27.562051][ C0] ... acquired at: [ 27.562204][ C0] mark_lock+0x1d7/0xa00 [ 27.562348][ C0] mark_usage+0x42/0x170 [ 27.562540][ C0] __lock_acquire+0x388/0xc20 [ 27.562683][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.562875][ C0] _raw_spin_lock+0x33/0x40 [ 27.563020][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.563251][ C0] call_timer_fn+0x160/0x4d0 [ 27.563394][ C0] __run_timers+0x68f/0xaa0 [ 27.563584][ C0] run_timer_softirq+0xf0/0x160 [ 27.563725][ C0] handle_softirqs+0x1d3/0x900 [ 27.563917][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.564065][ C0] irq_exit_rcu+0xe/0x30 [ 27.564254][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.564433][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.564657][ C0] pv_native_safe_halt+0xf/0x10 [ 27.564797][ C0] default_idle+0x9/0x10 [ 27.564989][ C0] default_idle_call+0x6e/0xb0 [ 27.565137][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.565364][ C0] do_idle+0xd8/0x190 [ 27.565472][ C0] cpu_startup_entry+0x53/0x70 [ 27.565663][ C0] rest_init+0x279/0x280 [ 27.565807][ C0] start_kernel+0x3af/0x3b0 [ 27.566003][ C0] x86_64_start_reservations+0x24/0x30 [ 27.566145][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.566335][ C0] common_startup_64+0x13e/0x148 [ 27.566486][ C0] [ 27.566608][ C0] [ 27.566608][ C0] stack backtrace: [ 27.566786][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.566790][ C0] Tainted: [W]=WARN [ 27.566792][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.566793][ C0] Call Trace: [ 27.566795][ C0] [ 27.566796][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.566800][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.566803][ C0] mark_lock_irq+0x989/0x9c0 [ 27.566806][ C0] mark_lock+0x1d7/0xa00 [ 27.566808][ C0] mark_usage+0x42/0x170 [ 27.566810][ C0] __lock_acquire+0x388/0xc20 [ 27.566812][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.566814][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.566820][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.566823][ C0] ? lock_acquire+0x13c/0x160 [ 27.566825][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.566831][ C0] _raw_spin_lock+0x33/0x40 [ 27.566833][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.566839][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.566845][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.566851][ C0] call_timer_fn+0x160/0x4d0 [ 27.566853][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.566855][ C0] ? debug_object_active_state+0x430/0x430 [ 27.566859][ C0] ? find_held_lock+0x2b/0x80 [ 27.566860][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.566862][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.566864][ C0] __run_timers+0x68f/0xaa0 [ 27.566866][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.566873][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.566875][ C0] ? __lock_acquire+0x518/0xc20 [ 27.566877][ C0] ? __rwlock_init+0x150/0x150 [ 27.566880][ C0] run_timer_softirq+0xf0/0x160 [ 27.566882][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.566883][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.566885][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.566887][ C0] handle_softirqs+0x1d3/0x900 [ 27.566889][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.566891][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.566893][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.566894][ C0] irq_exit_rcu+0xe/0x30 [ 27.566895][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.566897][ C0] [ 27.566898][ C0] [ 27.566898][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.566900][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.566902][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.566904][ C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.566905][ C0] RSP: 0018:ffffffffab007cf8 EFLAGS: 00000296 [ 27.566908][ C0] RAX: 00000000000a557b RBX: ffffffffab01c600 RCX: ffffffffa80f0307 [ 27.566909][ C0] RDX: ffffffffab01c600 RSI: ffffffffaae38af6 RDI: ffffffffaa88d8e0 [ 27.566910][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.566911][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5600fa2 [ 27.566912][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.566914][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.566916][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.566917][ C0] default_idle+0x9/0x10 [ 27.566919][ C0] default_idle_call+0x6e/0xb0 [ 27.566920][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.566922][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.566923][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.566926][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.566928][ C0] do_idle+0xd8/0x190 [ 27.566929][ C0] cpu_startup_entry+0x53/0x70 [ 27.566931][ C0] rest_init+0x279/0x280 [ 27.566933][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.566935][ C0] ? rest_init+0x280/0x280 [ 27.566937][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.566941][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.566943][ C0] ? acpi_enable+0x1e4/0x330 [ 27.566945][ C0] start_kernel+0x3af/0x3b0 [ 27.566947][ C0] x86_64_start_reservations+0x24/0x30 [ 27.566949][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.566950][ C0] common_startup_64+0x13e/0x148 [ 27.566953][ C0] [ 38.729790][ T348] br0: port 2(veth2) entered disabled state [ 38.729807][ T348] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.729810][ T348] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 348, name: ip [ 38.729811][ T348] preempt_count: 202, expected: 0 [ 38.729812][ T348] RCU nest depth: 0, expected: 0 [ 38.729813][ T348] INFO: lockdep is turned off. [ 38.729814][ T348] irq event stamp: 0 [ 38.729815][ T348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.729820][ T348] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 38.729826][ T348] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 38.729828][ T348] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.729829][ T348] Preemption disabled at: [ 38.729830][ T348] [<0000000000000000>] 0x0 [ 38.729835][ T348] CPU: 2 UID: 0 PID: 348 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.729839][ T348] Tainted: [W]=WARN [ 38.729839][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.729841][ T348] Call Trace: [ 38.729843][ T348] [ 38.729844][ T348] dump_stack_lvl+0x6f/0xa0 [ 38.729849][ T348] __might_resched.cold+0x1fe/0x2c1 [ 38.729853][ T348] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.729857][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729861][ T348] __kmalloc_noprof+0x443/0x760 [ 38.729864][ T348] ? __rwlock_init+0x150/0x150 [ 38.729867][ T348] ? alloc_buf.isra.0+0x4b/0x260 [ 38.729871][ T348] ? do_raw_spin_unlock+0x59/0x250 [ 38.729873][ T348] alloc_buf.isra.0+0x4b/0x260 [ 38.729875][ T348] put_chars+0x1e1/0x2f0 [ 38.729877][ T348] ? __send_to_port+0x420/0x420 [ 38.729878][ T348] ? printk_get_next_message+0x240/0x650 [ 38.729882][ T348] hvc_console_print+0x292/0x780 [ 38.729885][ T348] ? hvc_write+0x3a0/0x3a0 [ 38.729887][ T348] ? __rwlock_init+0x150/0x150 [ 38.729889][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729890][ T348] ? lock_acquire+0x13c/0x160 [ 38.729893][ T348] console_emit_next_record+0x22f/0x4c0 [ 38.729895][ T348] ? devkmsg_read+0x4b0/0x4b0 [ 38.729897][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729899][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729900][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729902][ T348] ? lock_acquire+0x13c/0x160 [ 38.729904][ T348] ? console_flush_one_record+0x111/0x710 [ 38.729905][ T348] console_flush_one_record+0x46f/0x710 [ 38.729908][ T348] ? console_emit_next_record+0x4c0/0x4c0 [ 38.729910][ T348] console_unlock+0xee/0x1f0 [ 38.729912][ T348] ? lock_acquire+0x13c/0x160 [ 38.729914][ T348] ? console_flush_one_record+0x710/0x710 [ 38.729915][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729917][ T348] ? lock_release+0x184/0x1f0 [ 38.729918][ T348] ? lock_acquire+0x60/0x160 [ 38.729920][ T348] ? __rcu_read_lock+0x30/0x70 [ 38.729922][ T348] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.729924][ T348] ? vprintk_emit+0x320/0x3e0 [ 38.729926][ T348] vprintk_emit+0x37c/0x3e0 [ 38.729928][ T348] ? wake_up_klogd_work_func+0x90/0x90 [ 38.729933][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.729934][ T348] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.729937][ T348] ? trace_hardirqs_on+0x36/0x40 [ 38.729939][ T348] _printk+0xc7/0x100 [ 38.729942][ T348] ? snapshot_read.cold+0x21/0x21 [ 38.729944][ T348] ? ipv6_mc_down+0x17e/0x2d0 [ 38.729949][ T348] br_set_state+0x22f/0x430 [bridge] [ 38.729962][ T348] br_stp_disable_port+0x11f/0x390 [bridge] [ 38.729969][ T348] br_device_event+0x7b5/0x8f0 [bridge] [ 38.729978][ T348] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 38.729981][ T348] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 38.729983][ T348] ? addrconf_notify+0x2c8/0xf30 [ 38.729987][ T348] notifier_call_chain+0xae/0x300 [ 38.729990][ T348] __dev_notify_flags+0x23c/0x3c0 [ 38.729994][ T348] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.729995][ T348] ? netif_change_name+0x8c0/0x8c0 [ 38.729997][ T348] ? netif_set_allmulti+0x250/0x250 [ 38.729999][ T348] ? __kernel_text_address+0x12/0x30 [ 38.730002][ T348] ? write_profile+0xf0/0xf0 [ 38.730004][ T348] ? unwind_get_return_address+0x67/0xd0 [ 38.730007][ T348] netif_change_flags+0xfe/0x190 [ 38.730009][ T348] do_setlink.isra.0+0x1cc3/0x2750 [ 38.730012][ T348] ? stack_trace_save+0x93/0xc0 [ 38.730013][ T348] ? rtnl_link_get_size+0x350/0x350 [ 38.730015][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730016][ T348] ? stack_depot_save_flags+0x1bc/0x790 [ 38.730020][ T348] ? kasan_save_stack+0x3d/0x50 [ 38.730023][ T348] ? kasan_save_stack+0x2f/0x50 [ 38.730025][ T348] ? kasan_save_track+0x14/0x30 [ 38.730026][ T348] ? __kasan_kmalloc+0x7b/0x90 [ 38.730027][ T348] ? __kmalloc_cache_noprof+0x29a/0x620 [ 38.730029][ T348] ? rtnl_newlink+0x124/0x11c0 [ 38.730030][ T348] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.730031][ T348] ? netlink_rcv_skb+0x14e/0x3a0 [ 38.730034][ T348] ? netlink_unicast+0x486/0x750 [ 38.730041][ T348] ? netlink_sendmsg+0x735/0xc60 [ 38.730042][ T348] ? ____sys_sendmsg+0x415/0x880 [ 38.730045][ T348] ? ___sys_sendmsg+0x14e/0x1d0 [ 38.730046][ T348] ? __sys_sendmsg+0x12c/0x1d0 [ 38.730048][ T348] ? do_syscall_64+0xff/0x530 [ 38.730050][ T348] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.730052][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730054][ T348] ? lock_acquire+0x13c/0x160 [ 38.730055][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730057][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730059][ T348] ? trace_contention_end+0xb3/0x180 [ 38.730062][ T348] ? __mutex_lock+0x1db/0x1ea0 [ 38.730064][ T348] ? __mutex_lock+0x9a3/0x1ea0 [ 38.730065][ T348] ? rtnl_newlink+0x9a8/0x11c0 [ 38.730067][ T348] ? ww_mutex_lock+0x160/0x160 [ 38.730069][ T348] ? __rtnl_newlink+0x3fa/0xa50 [ 38.730071][ T348] rtnl_newlink+0x9f1/0x11c0 [ 38.730073][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730075][ T348] ? rtnl_bridge_getlink+0x850/0x850 [ 38.730076][ T348] ? lock_acquire+0x13c/0x160 [ 38.730077][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730079][ T348] ? is_bpf_text_address+0x3e/0x110 [ 38.730083][ T348] ? is_bpf_text_address+0x72/0x110 [ 38.730084][ T348] ? kernel_text_address+0x149/0x170 [ 38.730086][ T348] ? __kernel_text_address+0x12/0x30 [ 38.730087][ T348] ? write_profile+0xf0/0xf0 [ 38.730088][ T348] ? unwind_get_return_address+0x67/0xd0 [ 38.730089][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730091][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730093][ T348] ? cap_capable+0x1d7/0x3d0 [ 38.730096][ T348] ? lock_acquire+0x13c/0x160 [ 38.730098][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730100][ T348] ? rtnl_bridge_getlink+0x850/0x850 [ 38.730101][ T348] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 38.730103][ T348] ? rtnl_link_fill+0x920/0x920 [ 38.730104][ T348] ? filter_irq_stacks+0xd0/0xd0 [ 38.730106][ T348] ? stack_depot_save_flags+0x1bc/0x790 [ 38.730108][ T348] netlink_rcv_skb+0x14e/0x3a0 [ 38.730109][ T348] ? rtnl_link_fill+0x920/0x920 [ 38.730111][ T348] ? lock_release+0x184/0x1f0 [ 38.730112][ T348] ? netlink_ack+0xcf0/0xcf0 [ 38.730114][ T348] ? __netlink_lookup+0xb9/0x6b0 [ 38.730116][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730118][ T348] ? lock_release+0x184/0x1f0 [ 38.730120][ T348] netlink_unicast+0x486/0x750 [ 38.730122][ T348] ? netlink_attachskb+0x810/0x810 [ 38.730123][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730125][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730127][ T348] ? lock_acquire+0x13c/0x160 [ 38.730128][ T348] netlink_sendmsg+0x735/0xc60 [ 38.730130][ T348] ? netlink_unicast+0x750/0x750 [ 38.730132][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730134][ T348] ? lock_release+0x184/0x1f0 [ 38.730136][ T348] ____sys_sendmsg+0x415/0x880 [ 38.730137][ T348] ? copy_msghdr_from_user+0x279/0x420 [ 38.730139][ T348] ? get_timestamp.constprop.0+0x390/0x390 [ 38.730140][ T348] ? move_addr_to_kernel+0x40/0x40 [ 38.730142][ T348] ? filter_irq_stacks+0xd0/0xd0 [ 38.730144][ T348] ___sys_sendmsg+0x14e/0x1d0 [ 38.730146][ T348] ? copy_msghdr_from_user+0x420/0x420 [ 38.730151][ T348] __sys_sendmsg+0x12c/0x1d0 [ 38.730153][ T348] ? __sys_sendmsg_sock+0x20/0x20 [ 38.730156][ T348] ? rcu_is_watching+0x16/0xd0 [ 38.730158][ T348] do_syscall_64+0xff/0x530 [ 38.730159][ T348] ? exc_page_fault+0xee/0x100 [ 38.730161][ T348] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 38.730162][ T348] RIP: 0033:0x7f02dd27054e [ 38.730164][ T348] 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 [ 38.730166][ T348] RSP: 002b:00007fff23da31a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.730170][ T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f02dd27054e [ 38.730171][ T348] RDX: 0000000000000000 RSI: 00007fff23da3250 RDI: 0000000000000005 [ 38.730172][ T348] RBP: 00007fff23da31b0 R08: 0000000000000000 R09: 0000000000000000 [ 38.730173][ T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918178 [ 38.730174][ T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff23da3910 [ 38.730176][ T348] [ 38.769423][ T348] ip (348) used greatest stack depth: 23016 bytes left [ 38.795637][ T350] br0: port 1(veth1) entered disabled state [ 38.818638][ T351] veth2: left allmulticast mode [ 38.818876][ T351] veth2: left promiscuous mode [ 38.819834][ T351] br0: port 2(veth2) entered disabled state [ 38.820719][ T351] veth1: left allmulticast mode [ 38.828122][ T351] veth1: left promiscuous mode [ 38.828429][ T351] br0: port 1(veth1) entered disabled state