[ 10.323427][ T186] ip (186) used greatest stack depth: 24032 bytes left [ 10.323446][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.323449][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 10.323451][ T186] preempt_count: 2, expected: 0 [ 10.323453][ T186] RCU nest depth: 0, expected: 0 [ 10.323454][ T186] locks held by ip/186: 5, last CPU#1: [ 10.323457][ T186] #0: ffffffff92a027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.323473][ T186] #1: ffffffff92b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.323480][ T186] #2: ffffffff92b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.323486][ T186] #3: ffffffff92a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.323492][ T186] #4: ffffffff92a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.323498][ T186] irq event stamp: 35434 [ 10.323499][ T186] hardirqs last enabled at (35433): [] __down_trylock_console_sem+0x86/0xa0 [ 10.323503][ T186] hardirqs last disabled at (35434): [] console_emit_next_record+0x3d4/0x4c0 [ 10.323506][ T186] softirqs last enabled at (35346): [] handle_softirqs+0x67c/0x900 [ 10.323509][ T186] softirqs last disabled at (35341): [] __irq_exit_rcu+0x145/0x1c0 [ 10.323512][ T186] Preemption disabled at: [ 10.323513][ T186] [<0000000000000000>] 0x0 [ 10.323522][ T186] CPU: 1 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.323527][ T186] Tainted: [W]=WARN [ 10.323528][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.323530][ T186] Call Trace: [ 10.323533][ T186] [ 10.323535][ T186] dump_stack_lvl+0x6f/0xa0 [ 10.323543][ T186] __might_resched.cold+0x1fe/0x2c1 [ 10.323549][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.323555][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 10.323563][ T186] __kmalloc_noprof+0x443/0x760 [ 10.323566][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 10.323575][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 10.323579][ T186] alloc_buf.isra.0+0x4b/0x260 [ 10.323584][ T186] put_chars+0x1e1/0x2f0 [ 10.323588][ T186] ? __send_to_port+0x420/0x420 [ 10.323591][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.323598][ T186] ? validate_chain+0x38b/0xc20 [ 10.323607][ T186] hvc_console_print+0x292/0x780 [ 10.323617][ T186] ? hvc_write+0x3a0/0x3a0 [ 10.323621][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.323624][ T186] ? lock_acquire+0x13c/0x160 [ 10.323632][ T186] console_emit_next_record+0x22f/0x4c0 [ 10.323638][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 10.323641][ T186] ? console_flush_one_record+0x106/0x710 [ 10.323646][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.323650][ T186] ? lock_acquire+0x13c/0x160 [ 10.323657][ T186] console_flush_one_record+0x46f/0x710 [ 10.323664][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 10.323666][ T186] ? __lock_acquire+0x518/0xc20 [ 10.323676][ T186] console_unlock+0xee/0x1f0 [ 10.323681][ T186] ? console_flush_one_record+0x710/0x710 [ 10.323683][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.323687][ T186] ? lock_acquire+0x60/0x160 [ 10.323694][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.323696][ T186] ? vprintk_emit+0x320/0x3e0 [ 10.323702][ T186] vprintk_emit+0x37c/0x3e0 [ 10.323708][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 10.323714][ T186] ? __lock_acquire+0x518/0xc20 [ 10.323721][ T186] _printk+0xc7/0x100 [ 10.323726][ T186] ? snapshot_read.cold+0x21/0x21 [ 10.323731][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.323735][ T186] ? __rwlock_init+0x150/0x150 [ 10.323742][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.323746][ T186] do_exit.cold+0x82/0x9c [ 10.323751][ T186] ? exit_notify+0x890/0x890 [ 10.323754][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 10.323759][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.323767][ T186] do_group_exit+0xb8/0x370 [ 10.323772][ T186] __x64_sys_exit_group+0x3c/0x50 [ 10.323774][ T186] x64_sys_call+0x1567/0x1570 [ 10.323778][ T186] do_syscall_64+0xff/0x530 [ 10.323782][ T186] ? exc_page_fault+0xee/0x100 [ 10.323787][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.323790][ T186] RIP: 0033:0x7f3d8dddd1b8 [ 10.323793][ T186] Code: Unable to access opcode bytes at 0x7f3d8dddd18e. [ 10.323795][ T186] RSP: 002b:00007ffc0202d3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.323798][ T186] RAX: ffffffffffffffda RBX: 00007f3d8df0df88 RCX: 00007f3d8dddd1b8 [ 10.323800][ T186] RDX: 00007f3d8db27fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.323802][ T186] RBP: 00007ffc0202d450 R08: 0000000000000000 R09: 0000000000008010 [ 10.323803][ T186] R10: 00007ffc0202d210 R11: 0000000000000246 R12: 0000000000000001 [ 10.323805][ T186] R13: 0000000000000000 R14: 00007f3d8df0c680 R15: 00007f3d8df0dfa0 [ 10.323826][ T186] [ 11.802013][ T237] 8021q: 802.1Q VLAN Support v1.8 [ 11.802034][ T237] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.802037][ T237] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 237, name: modprobe [ 11.802039][ T237] preempt_count: 1, expected: 0 [ 11.802040][ T237] RCU nest depth: 0, expected: 0 [ 11.802041][ T237] locks held by modprobe/237: 4, last CPU#3: [ 11.802043][ T237] #0: ffffffff92b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.802056][ T237] #1: ffffffff92b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.802060][ T237] #2: ffffffff92a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.802064][ T237] #3: ffffffff92a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.802068][ T237] irq event stamp: 23418 [ 11.802069][ T237] hardirqs last enabled at (23417): [] __down_trylock_console_sem+0x86/0xa0 [ 11.802072][ T237] hardirqs last disabled at (23418): [] console_emit_next_record+0x3d4/0x4c0 [ 11.802074][ T237] softirqs last enabled at (20640): [] handle_softirqs+0x67c/0x900 [ 11.802077][ T237] softirqs last disabled at (20029): [] __irq_exit_rcu+0x145/0x1c0 [ 11.802080][ T237] Preemption disabled at: [ 11.802080][ T237] [] vprintk_emit+0x31b/0x3e0 [ 11.802087][ T237] CPU: 3 UID: 0 PID: 237 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.802091][ T237] Tainted: [W]=WARN [ 11.802092][ T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.802094][ T237] Call Trace: [ 11.802096][ T237] [ 11.802097][ T237] dump_stack_lvl+0x6f/0xa0 [ 11.802103][ T237] ? vprintk_emit+0x31b/0x3e0 [ 11.802105][ T237] __might_resched.cold+0x1fe/0x2c1 [ 11.802109][ T237] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.802114][ T237] ? __kmalloc_noprof+0xdb/0x760 [ 11.802119][ T237] __kmalloc_noprof+0x443/0x760 [ 11.802121][ T237] ? alloc_buf.isra.0+0x4b/0x260 [ 11.802127][ T237] ? do_raw_spin_unlock+0x59/0x250 [ 11.802129][ T237] alloc_buf.isra.0+0x4b/0x260 [ 11.802133][ T237] put_chars+0x1e1/0x2f0 [ 11.802136][ T237] ? __send_to_port+0x420/0x420 [ 11.802137][ T237] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.802142][ T237] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.802144][ T237] ? validate_chain+0x38b/0xc20 [ 11.802149][ T237] hvc_console_print+0x292/0x780 [ 11.802151][ T237] ? __lock_acquire+0x518/0xc20 [ 11.802156][ T237] ? hvc_write+0x3a0/0x3a0 [ 11.802159][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.802164][ T237] console_emit_next_record+0x22f/0x4c0 [ 11.802168][ T237] ? devkmsg_read+0x4b0/0x4b0 [ 11.802170][ T237] ? console_flush_one_record+0x106/0x710 [ 11.802175][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.802177][ T237] ? lock_acquire+0x13c/0x160 [ 11.802181][ T237] console_flush_one_record+0x46f/0x710 [ 11.802185][ T237] ? console_emit_next_record+0x4c0/0x4c0 [ 11.802187][ T237] ? __lock_acquire+0x518/0xc20 [ 11.802192][ T237] console_unlock+0xee/0x1f0 [ 11.802195][ T237] ? console_flush_one_record+0x710/0x710 [ 11.802197][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.802199][ T237] ? lock_acquire+0x60/0x160 [ 11.802203][ T237] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.802204][ T237] ? vprintk_emit+0x320/0x3e0 [ 11.802208][ T237] vprintk_emit+0x37c/0x3e0 [ 11.802212][ T237] ? wake_up_klogd_work_func+0x90/0x90 [ 11.802217][ T237] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 11.802222][ T237] _printk+0xc7/0x100 [ 11.802226][ T237] ? snapshot_read.cold+0x21/0x21 [ 11.802232][ T237] ? do_one_initcall+0x113/0x4f0 [ 11.802235][ T237] vlan_proto_init+0x24/0x90 [8021q] [ 11.802239][ T237] do_one_initcall+0x124/0x4f0 [ 11.802241][ T237] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 11.802246][ T237] ? do_init_module+0xae/0x8a0 [ 11.802249][ T237] ? kasan_unpoison+0x44/0x70 [ 11.802254][ T237] do_init_module+0x2ad/0x8a0 [ 11.802257][ T237] ? lockdep_hardirqs_on+0x91/0x130 [ 11.802262][ T237] ? free_module+0x470/0x470 [ 11.802265][ T237] ? kfree+0x123/0x590 [ 11.802269][ T237] load_module+0x1424/0x1bb0 [ 11.802276][ T237] ? layout_and_allocate.isra.0+0x680/0x680 [ 11.802280][ T237] ? __ia32_sys_fsconfig+0x180/0x180 [ 11.802283][ T237] ? ovl_real_file+0x172/0x1e0 [ 11.802287][ T237] ? backing_file_read_iter+0x541/0x790 [ 11.802290][ T237] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.802294][ T237] init_module_from_file+0x11f/0x1a0 [ 11.802297][ T237] ? __do_sys_init_module+0x220/0x220 [ 11.802305][ T237] ? __rwlock_init+0x150/0x150 [ 11.802308][ T237] ? do_raw_spin_unlock+0x59/0x250 [ 11.802312][ T237] idempotent_init_module+0x37b/0x7c0 [ 11.802315][ T237] ? init_module_from_file+0x1a0/0x1a0 [ 11.802321][ T237] ? rcu_is_watching+0x16/0xd0 [ 11.802324][ T237] ? cap_capable+0x1d7/0x3d0 [ 11.802330][ T237] __x64_sys_finit_module+0xdf/0x190 [ 11.802332][ T237] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.802335][ T237] do_syscall_64+0xff/0x530 [ 11.802337][ T237] ? exc_page_fault+0xee/0x100 [ 11.802340][ T237] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.802342][ T237] RIP: 0033:0x7f730443137d [ 11.802346][ T237] 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 [ 11.802348][ T237] RSP: 002b:00007ffe837f8138 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.802351][ T237] RAX: ffffffffffffffda RBX: 000055f71169a810 RCX: 00007f730443137d [ 11.802352][ T237] RDX: 0000000000000000 RSI: 000055f6eaafaffd RDI: 0000000000000000 [ 11.802353][ T237] RBP: 00007ffe837f81d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.802354][ T237] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6eaafaffd [ 11.802355][ T237] R13: 000055f71169a960 R14: 0000000000040000 R15: 0000000000000000 [ 11.802362][ T237] [ 13.258981][ T285] br1: port 1(vx10) entered blocking state [ 13.259068][ T285] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.259070][ T285] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 285, name: ip [ 13.259072][ T285] preempt_count: 1, expected: 0 [ 13.259073][ T285] RCU nest depth: 0, expected: 0 [ 13.259074][ T285] locks held by ip/285: 5, last CPU#2: [ 13.259077][ T285] #0: ffffffff932d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 13.259089][ T285] #1: ffffffff92b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.259096][ T285] #2: ffffffff92b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.259099][ T285] #3: ffffffff92a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.259103][ T285] #4: ffffffff92a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.259107][ T285] irq event stamp: 20308 [ 13.259108][ T285] hardirqs last enabled at (20307): [] __down_trylock_console_sem+0x86/0xa0 [ 13.259111][ T285] hardirqs last disabled at (20308): [] console_emit_next_record+0x3d4/0x4c0 [ 13.259113][ T285] softirqs last enabled at (20218): [] __alloc_skb+0x4c2/0x5f0 [ 13.259116][ T285] softirqs last disabled at (20216): [] __alloc_skb+0x4c2/0x5f0 [ 13.259119][ T285] Preemption disabled at: [ 13.259119][ T285] [] vprintk_emit+0x31b/0x3e0 [ 13.259126][ T285] CPU: 2 UID: 0 PID: 285 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.259130][ T285] Tainted: [W]=WARN [ 13.259131][ T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.259133][ T285] Call Trace: [ 13.259135][ T285] [ 13.259136][ T285] dump_stack_lvl+0x6f/0xa0 [ 13.259143][ T285] ? vprintk_emit+0x31b/0x3e0 [ 13.259145][ T285] __might_resched.cold+0x1fe/0x2c1 [ 13.259150][ T285] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.259154][ T285] ? __kmalloc_noprof+0xdb/0x760 [ 13.259159][ T285] __kmalloc_noprof+0x443/0x760 [ 13.259162][ T285] ? alloc_buf.isra.0+0x4b/0x260 [ 13.259167][ T285] ? do_raw_spin_unlock+0x59/0x250 [ 13.259170][ T285] alloc_buf.isra.0+0x4b/0x260 [ 13.259176][ T285] put_chars+0x1e1/0x2f0 [ 13.259179][ T285] ? __send_to_port+0x420/0x420 [ 13.259183][ T285] ? validate_chain+0x34a/0xc20 [ 13.259187][ T285] hvc_console_print+0x292/0x780 [ 13.259190][ T285] ? mark_usage+0x61/0x170 [ 13.259192][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259193][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259197][ T285] ? hvc_write+0x3a0/0x3a0 [ 13.259199][ T285] ? console_emit_next_record+0x1df/0x4c0 [ 13.259202][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259207][ T285] ? lock_acquire+0x13c/0x160 [ 13.259211][ T285] console_emit_next_record+0x22f/0x4c0 [ 13.259214][ T285] ? devkmsg_read+0x4b0/0x4b0 [ 13.259216][ T285] ? console_flush_one_record+0x106/0x710 [ 13.259220][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259222][ T285] ? lock_acquire+0x13c/0x160 [ 13.259226][ T285] console_flush_one_record+0x46f/0x710 [ 13.259230][ T285] ? console_emit_next_record+0x4c0/0x4c0 [ 13.259232][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259238][ T285] console_unlock+0xee/0x1f0 [ 13.259240][ T285] ? console_flush_one_record+0x710/0x710 [ 13.259242][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259245][ T285] ? lock_acquire+0x60/0x160 [ 13.259248][ T285] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.259250][ T285] ? vprintk_emit+0x320/0x3e0 [ 13.259254][ T285] vprintk_emit+0x37c/0x3e0 [ 13.259258][ T285] ? wake_up_klogd_work_func+0x90/0x90 [ 13.259260][ T285] ? __lock_release.isra.0+0x69/0x1a0 [ 13.259262][ T285] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.259266][ T285] ? mark_held_locks+0x40/0x70 [ 13.259270][ T285] _printk+0xc7/0x100 [ 13.259273][ T285] ? snapshot_read.cold+0x21/0x21 [ 13.259277][ T285] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 13.259291][ T285] ? do_setlink.isra.0+0xa31/0x2750 [ 13.259292][ T285] ? rtnl_newlink+0x9f1/0x11c0 [ 13.259293][ T285] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.259298][ T285] br_set_state+0x22f/0x430 [bridge] [ 13.259308][ T285] br_init_port+0xc4/0x200 [bridge] [ 13.259317][ T285] new_nbp+0x39c/0x580 [bridge] [ 13.259326][ T285] br_add_if+0x212/0x1320 [bridge] [ 13.259334][ T285] ? is_bpf_text_address+0x72/0x110 [ 13.259338][ T285] ? kernel_text_address+0x149/0x170 [ 13.259341][ T285] ? __kernel_text_address+0x12/0x30 [ 13.259345][ T285] do_set_master+0x357/0x580 [ 13.259350][ T285] do_setlink.isra.0+0xa31/0x2750 [ 13.259353][ T285] ? stack_trace_save+0x93/0xc0 [ 13.259356][ T285] ? rtnl_link_get_size+0x350/0x350 [ 13.259358][ T285] ? rcu_read_lock_any_held+0x66/0x90 [ 13.259360][ T285] ? stack_depot_save_flags+0x38e/0x790 [ 13.259364][ T285] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.259367][ T285] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.259368][ T285] ? validate_chain+0x38b/0xc20 [ 13.259371][ T285] ? kasan_save_stack+0x3d/0x50 [ 13.259374][ T285] ? kasan_save_stack+0x2f/0x50 [ 13.259376][ T285] ? kasan_save_track+0x14/0x30 [ 13.259379][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259381][ T285] ? netlink_seq_next+0x4e/0x60 [ 13.259384][ T285] ? ___sys_sendmsg+0xb0/0x1d0 [ 13.259388][ T285] ? lock_acquire.part.0+0xd4/0x280 [ 13.259390][ T285] ? rtnl_newlink+0x9a8/0x11c0 [ 13.259393][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259395][ T285] ? lock_acquire+0x13c/0x160 [ 13.259397][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259399][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259401][ T285] ? trace_contention_end+0xb3/0x180 [ 13.259405][ T285] ? __mutex_lock+0x1db/0x1ea0 [ 13.259407][ T285] ? __mutex_lock+0x9a3/0x1ea0 [ 13.259409][ T285] ? rtnl_newlink+0x9a8/0x11c0 [ 13.259412][ T285] ? ww_mutex_lock+0x160/0x160 [ 13.259414][ T285] ? nla_get_range_signed+0x3d0/0x3d0 [ 13.259419][ T285] ? __rtnl_newlink+0x3fa/0xa50 [ 13.259424][ T285] rtnl_newlink+0x9f1/0x11c0 [ 13.259429][ T285] ? rtnl_bridge_getlink+0x850/0x850 [ 13.259431][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259436][ T285] ? lock_acquire.part.0+0xd4/0x280 [ 13.259438][ T285] ? find_held_lock+0x2b/0x80 [ 13.259440][ T285] ? rtnl_bridge_getlink+0x850/0x850 [ 13.259442][ T285] ? __lock_release.isra.0+0x69/0x1a0 [ 13.259445][ T285] ? rtnl_bridge_getlink+0x850/0x850 [ 13.259447][ T285] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.259451][ T285] ? rtnl_link_fill+0x920/0x920 [ 13.259452][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259456][ T285] ? lock_acquire.part.0+0xd4/0x280 [ 13.259458][ T285] ? find_held_lock+0x2b/0x80 [ 13.259462][ T285] netlink_rcv_skb+0x14e/0x3a0 [ 13.259464][ T285] ? rtnl_link_fill+0x920/0x920 [ 13.259467][ T285] ? netlink_ack+0xcf0/0xcf0 [ 13.259473][ T285] ? netlink_deliver_tap+0xc5/0x330 [ 13.259474][ T285] ? netlink_deliver_tap+0x13c/0x330 [ 13.259478][ T285] netlink_unicast+0x486/0x750 [ 13.259482][ T285] ? netlink_attachskb+0x810/0x810 [ 13.259485][ T285] ? __lock_acquire+0x518/0xc20 [ 13.259489][ T285] netlink_sendmsg+0x735/0xc60 [ 13.259493][ T285] ? netlink_unicast+0x750/0x750 [ 13.259497][ T285] ? __might_fault+0x97/0x140 [ 13.259502][ T285] ____sys_sendmsg+0x415/0x880 [ 13.259504][ T285] ? copy_msghdr_from_user+0x279/0x420 [ 13.259507][ T285] ? get_timestamp.constprop.0+0x390/0x390 [ 13.259508][ T285] ? move_addr_to_kernel+0x40/0x40 [ 13.259516][ T285] ___sys_sendmsg+0x14e/0x1d0 [ 13.259518][ T285] ? copy_msghdr_from_user+0x420/0x420 [ 13.259534][ T285] __sys_sendmsg+0x12c/0x1d0 [ 13.259537][ T285] ? __sys_sendmsg_sock+0x20/0x20 [ 13.259543][ T285] ? rcu_is_watching+0x16/0xd0 [ 13.259547][ T285] do_syscall_64+0xff/0x530 [ 13.259550][ T285] ? exc_page_fault+0xee/0x100 [ 13.259553][ T285] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.259555][ T285] RIP: 0033:0x7f3a63ba354e [ 13.259559][ T285] 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 [ 13.259560][ T285] RSP: 002b:00007fff49274bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.259563][ T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3a63ba354e [ 13.259565][ T285] RDX: 0000000000000000 RSI: 00007fff49274c60 RDI: 0000000000000005 [ 13.259566][ T285] RBP: 00007fff49274bc0 R08: 0000000000000000 R09: 0000000000000000 [ 13.259567][ T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e617 [ 13.259568][ T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff49275320 [ 13.259575][ T285] [ 13.310104][ T285] br1: port 1(vx10) entered disabled state [ 13.311513][ T285] vx10: entered allmulticast mode [ 13.314303][ T285] vx10: entered promiscuous mode [ 13.314878][ T285] br1: port 1(vx10) entered blocking state [ 13.315387][ T285] br1: port 1(vx10) entered forwarding state [ 13.322060][ T285] ip (285) used greatest stack depth: 23336 bytes left [ 13.467574][ T289] br1: port 2(vx20) entered blocking state [ 13.467937][ T289] br1: port 2(vx20) entered disabled state [ 13.468283][ T289] vx20: entered allmulticast mode [ 13.469922][ T289] vx20: entered promiscuous mode [ 13.470442][ T289] br1: port 2(vx20) entered blocking state [ 13.471040][ T289] br1: port 2(vx20) entered forwarding state [ 13.559086][ T292] br1: port 3(veth1) entered blocking state [ 13.559439][ T292] br1: port 3(veth1) entered disabled state [ 13.559762][ T292] veth1: entered allmulticast mode [ 13.563487][ T292] veth1: entered promiscuous mode [ 13.613643][ T36] br1: port 3(veth1) entered blocking state [ 13.614425][ T36] br1: port 3(veth1) entered forwarding state [ 13.702447][ T296] br1: port 4(veth2) entered blocking state [ 13.702842][ T296] br1: port 4(veth2) entered disabled state [ 13.704538][ T296] veth2: entered allmulticast mode [ 13.706234][ T296] veth2: entered promiscuous mode [ 13.760225][ T36] br1: port 4(veth2) entered blocking state [ 13.760564][ T36] br1: port 4(veth2) entered forwarding state [ 15.456692][ T345] br2: port 1(w1) entered blocking state [ 15.456715][ T345] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.456719][ T345] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 345, name: ip [ 15.456721][ T345] preempt_count: 1, expected: 0 [ 15.456722][ T345] RCU nest depth: 0, expected: 0 [ 15.456724][ T345] locks held by ip/345: 5, last CPU#3: [ 15.456726][ T345] #0: ffffffff932d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 15.456742][ T345] #1: ffffffff92b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.456751][ T345] #2: ffffffff92b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.456757][ T345] #3: ffffffff92a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.456763][ T345] #4: ffffffff92a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.456769][ T345] irq event stamp: 11794 [ 15.456770][ T345] hardirqs last enabled at (11793): [] __down_trylock_console_sem+0x86/0xa0 [ 15.456774][ T345] hardirqs last disabled at (11794): [] console_emit_next_record+0x3d4/0x4c0 [ 15.456777][ T345] softirqs last enabled at (11736): [] __alloc_skb+0x4c2/0x5f0 [ 15.456781][ T345] softirqs last disabled at (11734): [] __alloc_skb+0x4c2/0x5f0 [ 15.456785][ T345] Preemption disabled at: [ 15.456785][ T345] [] vprintk_emit+0x31b/0x3e0 [ 15.456793][ T345] CPU: 3 UID: 0 PID: 345 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.456798][ T345] Tainted: [W]=WARN [ 15.456799][ T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.456802][ T345] Call Trace: [ 15.456804][ T345] [ 15.456806][ T345] dump_stack_lvl+0x6f/0xa0 [ 15.456813][ T345] ? vprintk_emit+0x31b/0x3e0 [ 15.456817][ T345] __might_resched.cold+0x1fe/0x2c1 [ 15.456823][ T345] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.456834][ T345] ? __kmalloc_noprof+0xdb/0x760 [ 15.456842][ T345] __kmalloc_noprof+0x443/0x760 [ 15.456845][ T345] ? alloc_buf.isra.0+0x4b/0x260 [ 15.456854][ T345] ? do_raw_spin_unlock+0x59/0x250 [ 15.456857][ T345] alloc_buf.isra.0+0x4b/0x260 [ 15.456862][ T345] put_chars+0x1e1/0x2f0 [ 15.456865][ T345] ? prb_final_commit+0x50/0x50 [ 15.456869][ T345] ? __send_to_port+0x420/0x420 [ 15.456875][ T345] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.456880][ T345] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.456884][ T345] ? validate_chain+0x38b/0xc20 [ 15.456890][ T345] hvc_console_print+0x292/0x780 [ 15.456894][ T345] ? mark_usage+0x61/0x170 [ 15.456897][ T345] ? __lock_acquire+0x518/0xc20 [ 15.456900][ T345] ? __lock_acquire+0x518/0xc20 [ 15.456906][ T345] ? hvc_write+0x3a0/0x3a0 [ 15.456910][ T345] ? console_emit_next_record+0x1df/0x4c0 [ 15.456915][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.456919][ T345] ? lock_acquire+0x13c/0x160 [ 15.456926][ T345] console_emit_next_record+0x22f/0x4c0 [ 15.456932][ T345] ? devkmsg_read+0x4b0/0x4b0 [ 15.456935][ T345] ? console_flush_one_record+0x106/0x710 [ 15.456940][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.456944][ T345] ? lock_acquire+0x13c/0x160 [ 15.456951][ T345] console_flush_one_record+0x46f/0x710 [ 15.456958][ T345] ? console_emit_next_record+0x4c0/0x4c0 [ 15.456961][ T345] ? __lock_acquire+0x518/0xc20 [ 15.456970][ T345] console_unlock+0xee/0x1f0 [ 15.456975][ T345] ? console_flush_one_record+0x710/0x710 [ 15.456978][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.456981][ T345] ? lock_acquire+0x60/0x160 [ 15.456988][ T345] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.456990][ T345] ? vprintk_emit+0x320/0x3e0 [ 15.456996][ T345] vprintk_emit+0x37c/0x3e0 [ 15.457003][ T345] ? wake_up_klogd_work_func+0x90/0x90 [ 15.457007][ T345] ? __lock_release.isra.0+0x69/0x1a0 [ 15.457011][ T345] ? mark_held_locks+0x40/0x70 [ 15.457017][ T345] _printk+0xc7/0x100 [ 15.457022][ T345] ? snapshot_read.cold+0x21/0x21 [ 15.457029][ T345] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 15.457047][ T345] ? do_setlink.isra.0+0xa31/0x2750 [ 15.457049][ T345] ? rtnl_newlink+0x9f1/0x11c0 [ 15.457051][ T345] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.457060][ T345] br_set_state+0x22f/0x430 [bridge] [ 15.457077][ T345] br_init_port+0xc4/0x200 [bridge] [ 15.457094][ T345] new_nbp+0x39c/0x580 [bridge] [ 15.457110][ T345] br_add_if+0x212/0x1320 [bridge] [ 15.457122][ T345] ? is_bpf_text_address+0x72/0x110 [ 15.457128][ T345] ? kernel_text_address+0x149/0x170 [ 15.457132][ T345] ? __kernel_text_address+0x12/0x30 [ 15.457139][ T345] do_set_master+0x357/0x580 [ 15.457147][ T345] do_setlink.isra.0+0xa31/0x2750 [ 15.457152][ T345] ? stack_trace_save+0x93/0xc0 [ 15.457157][ T345] ? rtnl_link_get_size+0x350/0x350 [ 15.457159][ T345] ? rcu_read_lock_any_held+0x66/0x90 [ 15.457162][ T345] ? stack_depot_save_flags+0x38e/0x790 [ 15.457167][ T345] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.457173][ T345] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.457176][ T345] ? validate_chain+0x38b/0xc20 [ 15.457181][ T345] ? kasan_save_stack+0x3d/0x50 [ 15.457185][ T345] ? kasan_save_stack+0x2f/0x50 [ 15.457187][ T345] ? kasan_save_track+0x14/0x30 [ 15.457192][ T345] ? __lock_acquire+0x518/0xc20 [ 15.457195][ T345] ? netlink_seq_next+0x4e/0x60 [ 15.457199][ T345] ? ___sys_sendmsg+0xb0/0x1d0 [ 15.457206][ T345] ? lock_acquire.part.0+0xd4/0x280 [ 15.457209][ T345] ? rtnl_newlink+0x9a8/0x11c0 [ 15.457214][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.457218][ T345] ? lock_acquire+0x13c/0x160 [ 15.457220][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.457223][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.457226][ T345] ? trace_contention_end+0xb3/0x180 [ 15.457232][ T345] ? __mutex_lock+0x1db/0x1ea0 [ 15.457236][ T345] ? __mutex_lock+0x9a3/0x1ea0 [ 15.457239][ T345] ? rtnl_newlink+0x9a8/0x11c0 [ 15.457246][ T345] ? ww_mutex_lock+0x160/0x160 [ 15.457248][ T345] ? nla_get_range_signed+0x3d0/0x3d0 [ 15.457257][ T345] ? __rtnl_newlink+0x3fa/0xa50 [ 15.457267][ T345] rtnl_newlink+0x9f1/0x11c0 [ 15.457277][ T345] ? rtnl_bridge_getlink+0x850/0x850 [ 15.457280][ T345] ? __lock_acquire+0x518/0xc20 [ 15.457288][ T345] ? lock_acquire.part.0+0xd4/0x280 [ 15.457291][ T345] ? find_held_lock+0x2b/0x80 [ 15.457295][ T345] ? rtnl_bridge_getlink+0x850/0x850 [ 15.457298][ T345] ? __lock_release.isra.0+0x69/0x1a0 [ 15.457305][ T345] ? rtnl_bridge_getlink+0x850/0x850 [ 15.457308][ T345] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.457314][ T345] ? rtnl_link_fill+0x920/0x920 [ 15.457316][ T345] ? __lock_acquire+0x518/0xc20 [ 15.457324][ T345] ? lock_acquire.part.0+0xd4/0x280 [ 15.457327][ T345] ? find_held_lock+0x2b/0x80 [ 15.457333][ T345] netlink_rcv_skb+0x14e/0x3a0 [ 15.457336][ T345] ? rtnl_link_fill+0x920/0x920 [ 15.457341][ T345] ? netlink_ack+0xcf0/0xcf0 [ 15.457352][ T345] ? netlink_deliver_tap+0xc5/0x330 [ 15.457355][ T345] ? netlink_deliver_tap+0x13c/0x330 [ 15.457363][ T345] netlink_unicast+0x486/0x750 [ 15.457369][ T345] ? netlink_attachskb+0x810/0x810 [ 15.457374][ T345] ? __lock_acquire+0x518/0xc20 [ 15.457381][ T345] netlink_sendmsg+0x735/0xc60 [ 15.457388][ T345] ? netlink_unicast+0x750/0x750 [ 15.457395][ T345] ? __might_fault+0x97/0x140 [ 15.457404][ T345] ____sys_sendmsg+0x415/0x880 [ 15.457408][ T345] ? copy_msghdr_from_user+0x279/0x420 [ 15.457411][ T345] ? get_timestamp.constprop.0+0x390/0x390 [ 15.457414][ T345] ? move_addr_to_kernel+0x40/0x40 [ 15.457427][ T345] ___sys_sendmsg+0x14e/0x1d0 [ 15.457432][ T345] ? copy_msghdr_from_user+0x420/0x420 [ 15.457462][ T345] __sys_sendmsg+0x12c/0x1d0 [ 15.457467][ T345] ? __sys_sendmsg_sock+0x20/0x20 [ 15.457478][ T345] ? rcu_is_watching+0x16/0xd0 [ 15.457485][ T345] do_syscall_64+0xff/0x530 [ 15.457488][ T345] ? exc_page_fault+0xee/0x100 [ 15.457493][ T345] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.457496][ T345] RIP: 0033:0x7fca82fdb54e [ 15.457502][ T345] 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 [ 15.457504][ T345] RSP: 002b:00007ffdc82d4060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.457508][ T345] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fca82fdb54e [ 15.457510][ T345] RDX: 0000000000000000 RSI: 00007ffdc82d4110 RDI: 0000000000000005 [ 15.457511][ T345] RBP: 00007ffdc82d4070 R08: 0000000000000000 R09: 0000000000000000 [ 15.457513][ T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e619 [ 15.457514][ T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc82d47d0 [ 15.457528][ T345] [ 15.532689][ T345] br2: port 1(w1) entered disabled state [ 15.533275][ T345] w1: entered allmulticast mode [ 15.536559][ T345] w1: entered promiscuous mode [ 15.590667][ T346] br2: port 1(w1) entered blocking state [ 15.591112][ T346] br2: port 1(w1) entered forwarding state [ 15.904915][ T353] br2: port 2(vx10) entered blocking state [ 15.905419][ T353] br2: port 2(vx10) entered disabled state [ 15.905943][ T353] vx10: entered allmulticast mode [ 15.908636][ T353] vx10: entered promiscuous mode [ 15.909431][ T353] br2: port 2(vx10) entered blocking state [ 15.909934][ T353] br2: port 2(vx10) entered forwarding state [ 16.201434][ T36] br2: port 1(w1) entered disabled state [ 16.230790][ T360] br2: port 3(vx20) entered blocking state [ 16.231996][ T360] br2: port 3(vx20) entered disabled state [ 16.232531][ T360] vx20: entered allmulticast mode [ 16.235596][ T360] vx20: entered promiscuous mode [ 16.236397][ T360] br2: port 3(vx20) entered blocking state [ 16.236898][ T360] br2: port 3(vx20) entered forwarding state [ 16.537675][ T36] br2: port 1(w1) entered blocking state [ 16.537697][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.537699][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 16.537701][ T36] preempt_count: 202, expected: 0 [ 16.537702][ T36] RCU nest depth: 0, expected: 0 [ 16.537703][ T36] locks held by kworker/u17:0/36: 8, last CPU#0: [ 16.537706][ T36] #0: ff1100000114a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 16.537719][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 16.537723][ T36] #2: ffffffff932d2c40 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 16.537729][ T36] #3: ff11000010d1ae58 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [bridge] [ 16.537745][ T36] #4: ffffffff92b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.537750][ T36] #5: ffffffff92b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.537754][ T36] #6: ffffffff92a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.537758][ T36] #7: ffffffff92a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.537763][ T36] irq event stamp: 152701 [ 16.537763][ T36] hardirqs last enabled at (152700): [] __down_trylock_console_sem+0x86/0xa0 [ 16.537766][ T36] hardirqs last disabled at (152701): [] console_emit_next_record+0x3d4/0x4c0 [ 16.537768][ T36] softirqs last enabled at (152662): [] inet6_fill_ifla6_attrs+0x1b3e/0x21e0 [ 16.537772][ T36] softirqs last disabled at (152696): [] br_port_carrier_check+0x161/0x430 [bridge] [ 16.537780][ T36] Preemption disabled at: [ 16.537781][ T36] [<0000000000000000>] 0x0 [ 16.537788][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.537791][ T36] Tainted: [W]=WARN [ 16.537792][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.537794][ T36] Workqueue: events_unbound linkwatch_event [ 16.537797][ T36] Call Trace: [ 16.537799][ T36] [ 16.537801][ T36] dump_stack_lvl+0x6f/0xa0 [ 16.537808][ T36] __might_resched.cold+0x1fe/0x2c1 [ 16.537813][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.537817][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 16.537822][ T36] __kmalloc_noprof+0x443/0x760 [ 16.537825][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 16.537835][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 16.537838][ T36] alloc_buf.isra.0+0x4b/0x260 [ 16.537842][ T36] put_chars+0x1e1/0x2f0 [ 16.537844][ T36] ? __send_to_port+0x420/0x420 [ 16.537847][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.537852][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.537855][ T36] ? validate_chain+0x38b/0xc20 [ 16.537859][ T36] hvc_console_print+0x292/0x780 [ 16.537861][ T36] ? mark_usage+0x61/0x170 [ 16.537863][ T36] ? __lock_acquire+0x518/0xc20 [ 16.537865][ T36] ? __lock_acquire+0x518/0xc20 [ 16.537869][ T36] ? hvc_write+0x3a0/0x3a0 [ 16.537871][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 16.537875][ T36] ? lock_acquire+0x13c/0x160 [ 16.537880][ T36] console_emit_next_record+0x22f/0x4c0 [ 16.537884][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 16.537885][ T36] ? console_flush_one_record+0x106/0x710 [ 16.537889][ T36] ? rcu_is_watching+0x16/0xd0 [ 16.537891][ T36] ? lock_acquire+0x13c/0x160 [ 16.537895][ T36] console_flush_one_record+0x46f/0x710 [ 16.537900][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 16.537902][ T36] ? __lock_acquire+0x518/0xc20 [ 16.537907][ T36] console_unlock+0xee/0x1f0 [ 16.537910][ T36] ? console_flush_one_record+0x710/0x710 [ 16.537912][ T36] ? rcu_is_watching+0x16/0xd0 [ 16.537914][ T36] ? lock_acquire+0x60/0x160 [ 16.537918][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.537920][ T36] ? vprintk_emit+0x320/0x3e0 [ 16.537923][ T36] vprintk_emit+0x37c/0x3e0 [ 16.537928][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 16.537931][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.537933][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.537937][ T36] _printk+0xc7/0x100 [ 16.537941][ T36] ? snapshot_read.cold+0x21/0x21 [ 16.537947][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 16.537951][ T36] br_set_state+0x22f/0x430 [bridge] [ 16.537961][ T36] br_init_port+0xc4/0x200 [bridge] [ 16.537970][ T36] br_stp_enable_port+0x12/0x50 [bridge] [ 16.537977][ T36] br_port_carrier_check+0x220/0x430 [bridge] [ 16.537986][ T36] br_device_event+0x52d/0x8f0 [bridge] [ 16.537995][ T36] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 16.537997][ T36] ? nlmsg_notify+0x62/0x250 [ 16.538005][ T36] notifier_call_chain+0xae/0x300 [ 16.538011][ T36] netif_state_change+0x139/0x340 [ 16.538015][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 16.538020][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 16.538022][ T36] __linkwatch_run_queue+0x34c/0x750 [ 16.538026][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 16.538028][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 16.538033][ T36] linkwatch_event+0x7f/0xb0 [ 16.538035][ T36] ? __linkwatch_run_queue+0x750/0x750 [ 16.538039][ T36] process_one_work+0xe3e/0x1560 [ 16.538045][ T36] ? __queue_delayed_work+0x470/0x470 [ 16.538048][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 16.538056][ T36] worker_thread+0x4f1/0xd60 [ 16.538064][ T36] ? rescuer_thread+0x1340/0x1340 [ 16.538066][ T36] kthread+0x367/0x460 [ 16.538068][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.538071][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.538074][ T36] ret_from_fork+0x474/0x6b0 [ 16.538078][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 16.538082][ T36] ? __switch_to+0x5a3/0xe00 [ 16.538085][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.538088][ T36] ret_from_fork_asm+0x11/0x20 [ 16.538097][ T36] [ 16.564387][ T36] br2: port 1(w1) entered forwarding state [ 17.585352][ T399] br2: port 1(w1) entered blocking state [ 17.585372][ T399] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.585375][ T399] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 399, name: ip [ 17.585376][ T399] preempt_count: 1, expected: 0 [ 17.585377][ T399] RCU nest depth: 0, expected: 0 [ 17.585378][ T399] locks held by ip/399: 5, last CPU#3: [ 17.585381][ T399] #0: ffffffff932d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 17.585393][ T399] #1: ffffffff92b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.585399][ T399] #2: ffffffff92b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.585403][ T399] #3: ffffffff92a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.585406][ T399] #4: ffffffff92a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.585410][ T399] irq event stamp: 11060 [ 17.585411][ T399] hardirqs last enabled at (11059): [] __down_trylock_console_sem+0x86/0xa0 [ 17.585414][ T399] hardirqs last disabled at (11060): [] console_emit_next_record+0x3d4/0x4c0 [ 17.585416][ T399] softirqs last enabled at (11002): [] __alloc_skb+0x4c2/0x5f0 [ 17.585419][ T399] softirqs last disabled at (11000): [] __alloc_skb+0x4c2/0x5f0 [ 17.585422][ T399] Preemption disabled at: [ 17.585422][ T399] [] vprintk_emit+0x31b/0x3e0 [ 17.585429][ T399] CPU: 3 UID: 0 PID: 399 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.585432][ T399] Tainted: [W]=WARN [ 17.585433][ T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.585435][ T399] Call Trace: [ 17.585437][ T399] [ 17.585439][ T399] dump_stack_lvl+0x6f/0xa0 [ 17.585445][ T399] ? vprintk_emit+0x31b/0x3e0 [ 17.585447][ T399] __might_resched.cold+0x1fe/0x2c1 [ 17.585452][ T399] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.585456][ T399] ? __kmalloc_noprof+0xdb/0x760 [ 17.585461][ T399] __kmalloc_noprof+0x443/0x760 [ 17.585463][ T399] ? alloc_buf.isra.0+0x4b/0x260 [ 17.585469][ T399] ? do_raw_spin_unlock+0x59/0x250 [ 17.585472][ T399] alloc_buf.isra.0+0x4b/0x260 [ 17.585475][ T399] put_chars+0x1e1/0x2f0 [ 17.585477][ T399] ? prb_final_commit+0x50/0x50 [ 17.585479][ T399] ? __send_to_port+0x420/0x420 [ 17.585482][ T399] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.585486][ T399] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.585489][ T399] ? validate_chain+0x38b/0xc20 [ 17.585492][ T399] hvc_console_print+0x292/0x780 [ 17.585495][ T399] ? mark_usage+0x61/0x170 [ 17.585497][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585499][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585503][ T399] ? hvc_write+0x3a0/0x3a0 [ 17.585505][ T399] ? console_emit_next_record+0x1df/0x4c0 [ 17.585508][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585510][ T399] ? lock_acquire+0x13c/0x160 [ 17.585514][ T399] console_emit_next_record+0x22f/0x4c0 [ 17.585518][ T399] ? devkmsg_read+0x4b0/0x4b0 [ 17.585520][ T399] ? console_flush_one_record+0x106/0x710 [ 17.585523][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585525][ T399] ? lock_acquire+0x13c/0x160 [ 17.585529][ T399] console_flush_one_record+0x46f/0x710 [ 17.585533][ T399] ? console_emit_next_record+0x4c0/0x4c0 [ 17.585535][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585540][ T399] console_unlock+0xee/0x1f0 [ 17.585543][ T399] ? console_flush_one_record+0x710/0x710 [ 17.585545][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585547][ T399] ? lock_acquire+0x60/0x160 [ 17.585551][ T399] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.585553][ T399] ? vprintk_emit+0x320/0x3e0 [ 17.585556][ T399] vprintk_emit+0x37c/0x3e0 [ 17.585560][ T399] ? wake_up_klogd_work_func+0x90/0x90 [ 17.585563][ T399] ? __lock_release.isra.0+0x69/0x1a0 [ 17.585565][ T399] ? mark_held_locks+0x40/0x70 [ 17.585569][ T399] _printk+0xc7/0x100 [ 17.585573][ T399] ? snapshot_read.cold+0x21/0x21 [ 17.585577][ T399] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 17.585589][ T399] ? do_setlink.isra.0+0xa31/0x2750 [ 17.585591][ T399] ? rtnl_newlink+0x9f1/0x11c0 [ 17.585592][ T399] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.585597][ T399] br_set_state+0x22f/0x430 [bridge] [ 17.585607][ T399] br_init_port+0xc4/0x200 [bridge] [ 17.585616][ T399] new_nbp+0x39c/0x580 [bridge] [ 17.585625][ T399] br_add_if+0x212/0x1320 [bridge] [ 17.585632][ T399] ? is_bpf_text_address+0x72/0x110 [ 17.585637][ T399] ? kernel_text_address+0x149/0x170 [ 17.585640][ T399] ? __kernel_text_address+0x12/0x30 [ 17.585643][ T399] do_set_master+0x357/0x580 [ 17.585648][ T399] do_setlink.isra.0+0xa31/0x2750 [ 17.585651][ T399] ? stack_trace_save+0x93/0xc0 [ 17.585654][ T399] ? rtnl_link_get_size+0x350/0x350 [ 17.585656][ T399] ? rcu_read_lock_any_held+0x66/0x90 [ 17.585657][ T399] ? stack_depot_save_flags+0x38e/0x790 [ 17.585661][ T399] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.585664][ T399] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.585665][ T399] ? validate_chain+0x38b/0xc20 [ 17.585668][ T399] ? kasan_save_stack+0x3d/0x50 [ 17.585671][ T399] ? kasan_save_stack+0x2f/0x50 [ 17.585672][ T399] ? kasan_save_track+0x14/0x30 [ 17.585675][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585677][ T399] ? netlink_seq_next+0x4e/0x60 [ 17.585680][ T399] ? ___sys_sendmsg+0xb0/0x1d0 [ 17.585685][ T399] ? lock_acquire.part.0+0xd4/0x280 [ 17.585687][ T399] ? rtnl_newlink+0x9a8/0x11c0 [ 17.585689][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585691][ T399] ? lock_acquire+0x13c/0x160 [ 17.585693][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585695][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585697][ T399] ? trace_contention_end+0xb3/0x180 [ 17.585701][ T399] ? __mutex_lock+0x1db/0x1ea0 [ 17.585704][ T399] ? __mutex_lock+0x9a3/0x1ea0 [ 17.585706][ T399] ? rtnl_newlink+0x9a8/0x11c0 [ 17.585709][ T399] ? ww_mutex_lock+0x160/0x160 [ 17.585711][ T399] ? nla_get_range_signed+0x3d0/0x3d0 [ 17.585716][ T399] ? __rtnl_newlink+0x3fa/0xa50 [ 17.585721][ T399] rtnl_newlink+0x9f1/0x11c0 [ 17.585726][ T399] ? rtnl_bridge_getlink+0x850/0x850 [ 17.585728][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585732][ T399] ? lock_acquire.part.0+0xd4/0x280 [ 17.585734][ T399] ? find_held_lock+0x2b/0x80 [ 17.585736][ T399] ? rtnl_bridge_getlink+0x850/0x850 [ 17.585738][ T399] ? __lock_release.isra.0+0x69/0x1a0 [ 17.585742][ T399] ? rtnl_bridge_getlink+0x850/0x850 [ 17.585744][ T399] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 17.585747][ T399] ? rtnl_link_fill+0x920/0x920 [ 17.585748][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585752][ T399] ? lock_acquire.part.0+0xd4/0x280 [ 17.585754][ T399] ? find_held_lock+0x2b/0x80 [ 17.585758][ T399] netlink_rcv_skb+0x14e/0x3a0 [ 17.585759][ T399] ? rtnl_link_fill+0x920/0x920 [ 17.585762][ T399] ? netlink_ack+0xcf0/0xcf0 [ 17.585768][ T399] ? netlink_deliver_tap+0xc5/0x330 [ 17.585770][ T399] ? netlink_deliver_tap+0x13c/0x330 [ 17.585774][ T399] netlink_unicast+0x486/0x750 [ 17.585778][ T399] ? netlink_attachskb+0x810/0x810 [ 17.585780][ T399] ? __lock_acquire+0x518/0xc20 [ 17.585784][ T399] netlink_sendmsg+0x735/0xc60 [ 17.585788][ T399] ? netlink_unicast+0x750/0x750 [ 17.585792][ T399] ? __might_fault+0x97/0x140 [ 17.585797][ T399] ____sys_sendmsg+0x415/0x880 [ 17.585799][ T399] ? copy_msghdr_from_user+0x279/0x420 [ 17.585802][ T399] ? get_timestamp.constprop.0+0x390/0x390 [ 17.585803][ T399] ? move_addr_to_kernel+0x40/0x40 [ 17.585811][ T399] ___sys_sendmsg+0x14e/0x1d0 [ 17.585813][ T399] ? copy_msghdr_from_user+0x420/0x420 [ 17.585829][ T399] __sys_sendmsg+0x12c/0x1d0 [ 17.585832][ T399] ? __sys_sendmsg_sock+0x20/0x20 [ 17.585843][ T399] ? rcu_is_watching+0x16/0xd0 [ 17.585847][ T399] do_syscall_64+0xff/0x530 [ 17.585849][ T399] ? exc_page_fault+0xee/0x100 [ 17.585852][ T399] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.585855][ T399] RIP: 0033:0x7f5fa1ab054e [ 17.585858][ T399] 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 [ 17.585860][ T399] RSP: 002b:00007ffde52c7b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.585863][ T399] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5fa1ab054e [ 17.585865][ T399] RDX: 0000000000000000 RSI: 00007ffde52c7c10 RDI: 0000000000000005 [ 17.585865][ T399] RBP: 00007ffde52c7b70 R08: 0000000000000000 R09: 0000000000000000 [ 17.585866][ T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e61b [ 17.585867][ T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde52c82d0 [ 17.585874][ T399] [ 17.633824][ T399] br2: port 1(w1) entered disabled state [ 17.634185][ T399] w1: entered allmulticast mode [ 17.635939][ T399] w1: entered promiscuous mode [ 17.669707][ T400] br2: port 1(w1) entered blocking state [ 17.670006][ T400] br2: port 1(w1) entered forwarding state [ 17.909102][ T407] br2: port 2(vx10) entered blocking state [ 17.910185][ T407] br2: port 2(vx10) entered disabled state [ 17.910576][ T407] vx10: entered allmulticast mode [ 17.912289][ T407] vx10: entered promiscuous mode [ 17.912907][ T407] br2: port 2(vx10) entered blocking state [ 17.913273][ T407] br2: port 2(vx10) entered forwarding state [ 18.191451][ T414] br2: port 3(vx20) entered blocking state [ 18.191789][ T414] br2: port 3(vx20) entered disabled state [ 18.192111][ T414] vx20: entered allmulticast mode [ 18.193655][ T414] vx20: entered promiscuous mode [ 18.194108][ T414] br2: port 3(vx20) entered blocking state [ 18.194413][ T414] br2: port 3(vx20) entered forwarding state [ 18.248739][ T36] br2: port 1(w1) entered disabled state [ 18.489145][ T36] br2: port 1(w1) entered blocking state [ 18.489622][ T36] br2: port 1(w1) entered forwarding state [ 28.552245][ C3] [ 28.552265][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.552267][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/3 [ 28.552269][ C3] preempt_count: 104, expected: 0 [ 28.552271][ C3] RCU nest depth: 0, expected: 0 [ 28.552273][ C3] INFO: lockdep is turned off. [ 28.552273][ C3] irq event stamp: 997518 [ 28.552274][ C3] hardirqs last enabled at (997518): [] _raw_spin_unlock_irq+0x28/0x50 [ 28.552284][ C3] hardirqs last disabled at (997517): [] _raw_spin_lock_irq+0x4a/0x50 [ 28.552286][ C3] softirqs last enabled at (997490): [] handle_softirqs+0x67c/0x900 [ 28.552289][ C3] softirqs last disabled at (997515): [] __irq_exit_rcu+0x145/0x1c0 [ 28.552291][ C3] Preemption disabled at: [ 28.552292][ C3] [<0000000000000000>] 0x0 [ 28.552300][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.552304][ C3] Tainted: [W]=WARN [ 28.552305][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.552307][ C3] Call Trace: [ 28.552309][ C3] [ 28.552312][ C3] dump_stack_lvl+0x6f/0xa0 [ 28.552318][ C3] __might_resched.cold+0x1fe/0x2c1 [ 28.552321][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.552325][ C3] ? __asan_memcpy+0x3c/0x60 [ 28.552327][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552331][ C3] __kmalloc_noprof+0x443/0x760 [ 28.552335][ C3] ? __rwlock_init+0x150/0x150 [ 28.552338][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 28.552341][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 28.552343][ C3] alloc_buf.isra.0+0x4b/0x260 [ 28.552345][ C3] put_chars+0x1e1/0x2f0 [ 28.552347][ C3] ? __send_to_port+0x420/0x420 [ 28.552349][ C3] ? console_prepend_replay+0x20/0x20 [ 28.552352][ C3] hvc_console_print+0x292/0x780 [ 28.552356][ C3] ? hvc_write+0x3a0/0x3a0 [ 28.552357][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552359][ C3] ? lock_acquire+0x13c/0x160 [ 28.552361][ C3] console_emit_next_record+0x22f/0x4c0 [ 28.552364][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 28.552366][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552368][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552369][ C3] ? lock_acquire+0x13c/0x160 [ 28.552371][ C3] ? console_flush_one_record+0x111/0x710 [ 28.552373][ C3] console_flush_one_record+0x46f/0x710 [ 28.552375][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 28.552378][ C3] console_unlock+0xee/0x1f0 [ 28.552380][ C3] ? lock_acquire+0x13c/0x160 [ 28.552381][ C3] ? console_flush_one_record+0x710/0x710 [ 28.552383][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552385][ C3] ? lock_release+0x184/0x1f0 [ 28.552386][ C3] ? lock_acquire+0x60/0x160 [ 28.552388][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.552390][ C3] ? vprintk_emit+0x320/0x3e0 [ 28.552392][ C3] vprintk_emit+0x37c/0x3e0 [ 28.552394][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 28.552396][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.552409][ C3] ? lock_release+0x184/0x1f0 [ 28.552410][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.552417][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.552423][ C3] ? is_module_text_address+0x154/0x250 [ 28.552427][ C3] _printk+0xc7/0x100 [ 28.552430][ C3] ? snapshot_read.cold+0x21/0x21 [ 28.552432][ C3] ? arch_stack_walk+0xd7/0x130 [ 28.552436][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.552438][ C3] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 28.552440][ C3] print_irq_inversion_bug.part.0+0x32/0xc0 [ 28.552443][ C3] mark_lock_irq+0x989/0x9c0 [ 28.552445][ C3] mark_lock+0x1d7/0xa00 [ 28.552447][ C3] mark_usage+0x42/0x170 [ 28.552449][ C3] __lock_acquire+0x388/0xc20 [ 28.552451][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.552453][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.552459][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552461][ C3] ? lock_acquire+0x13c/0x160 [ 28.552463][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 28.552469][ C3] _raw_spin_lock+0x33/0x40 [ 28.552471][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.552477][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.552483][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 28.552490][ C3] call_timer_fn+0x160/0x4d0 [ 28.552493][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 28.552494][ C3] ? debug_object_active_state+0x430/0x430 [ 28.552498][ C3] ? find_held_lock+0x2b/0x80 [ 28.552500][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 28.552501][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552504][ C3] __run_timers+0x68f/0xaa0 [ 28.552505][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 28.552512][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 28.552514][ C3] ? __lock_acquire+0x518/0xc20 [ 28.552517][ C3] ? __rwlock_init+0x150/0x150 [ 28.552519][ C3] run_timer_softirq+0xf0/0x160 [ 28.552521][ C3] ? __run_timers+0xaa0/0xaa0 [ 28.552523][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.552525][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552527][ C3] handle_softirqs+0x1d3/0x900 [ 28.552529][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 28.552531][ C3] ? _local_bh_enable+0xc0/0xc0 [ 28.552533][ C3] __irq_exit_rcu+0x145/0x1c0 [ 28.552534][ C3] irq_exit_rcu+0xe/0x30 [ 28.552536][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.552539][ C3] [ 28.552539][ C3] [ 28.552540][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 28.552542][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.552544][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 28.552548][ C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 28.552549][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 28.552553][ C3] RAX: 00000000000f3889 RBX: ff11000001c88040 RCX: ffffffff8f8f0307 [ 28.552554][ C3] RDX: ff11000001c88040 RSI: ffffffff92638b1c RDI: ffffffff9208d8e0 [ 28.552555][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.552556][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 28.552556][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 28.552558][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.552561][ C3] default_idle+0x9/0x10 [ 28.552564][ C3] default_idle_call+0x6e/0xb0 [ 28.552565][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.552567][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 28.552569][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 28.552571][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552573][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.552575][ C3] do_idle+0xd8/0x190 [ 28.552576][ C3] cpu_startup_entry+0x53/0x70 [ 28.552578][ C3] start_secondary+0x204/0x2b0 [ 28.552580][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 28.552582][ C3] common_startup_64+0x13e/0x148 [ 28.552586][ C3] [ 28.572769][ C3] ======================================================== [ 28.573026][ C3] WARNING: possible irq lock inversion dependency detected [ 28.573229][ C3] 7.2.0-virtme #1 Tainted: G W [ 28.573400][ C3] -------------------------------------------------------- [ 28.573648][ C3] swapper/3/0 just changed the state of lock: [ 28.573866][ C3] ff11000004e7ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.574203][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 28.574410][ C3] (fs_reclaim){+.+.}-{0:0} [ 28.574412][ C3] [ 28.574412][ C3] [ 28.574412][ C3] and interrupts could create inverse lock ordering between them. [ 28.574412][ C3] [ 28.575007][ C3] [ 28.575007][ C3] other info that might help us debug this: [ 28.575257][ C3] Chain exists of: [ 28.575257][ C3] &br->lock --> console_owner --> fs_reclaim [ 28.575257][ C3] [ 28.575618][ C3] Possible interrupt unsafe locking scenario: [ 28.575618][ C3] [ 28.575875][ C3] CPU0 CPU1 [ 28.576014][ C3] ---- ---- [ 28.576200][ C3] lock(fs_reclaim); [ 28.576310][ C3] local_irq_disable(); [ 28.576528][ C3] lock(&br->lock); [ 28.576701][ C3] lock(console_owner); [ 28.576929][ C3] [ 28.577035][ C3] lock(&br->lock); [ 28.577188][ C3] [ 28.577188][ C3] *** DEADLOCK *** [ 28.577188][ C3] [ 28.577440][ C3] locks held by swapper/3/0: 1, last CPU#3: [ 28.577614][ C3] #0: ffa0000000280c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 28.577940][ C3] [ 28.577940][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 28.578227][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 28.578417][ C3] HARDIRQ-ON-W at: [ 28.578526][ C3] __lock_acquire+0x388/0xc20 [ 28.578752][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.578933][ C3] fs_reclaim_acquire+0xd5/0x120 [ 28.579154][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 28.579409][ C3] kthread_create_worker_on_node+0xea/0x210 [ 28.579620][ C3] workqueue_init+0x2a/0x680 [ 28.579840][ C3] kernel_init_freeable+0x2fe/0x630 [ 28.580099][ C3] kernel_init+0x21/0x150 [ 28.580275][ C3] ret_from_fork+0x474/0x6b0 [ 28.580494][ C3] ret_from_fork_asm+0x11/0x20 [ 28.580716][ C3] SOFTIRQ-ON-W at: [ 28.580820][ C3] __lock_acquire+0x388/0xc20 [ 28.581049][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.581220][ C3] fs_reclaim_acquire+0xd5/0x120 [ 28.581440][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 28.581700][ C3] kthread_create_worker_on_node+0xea/0x210 [ 28.581911][ C3] workqueue_init+0x2a/0x680 [ 28.582130][ C3] kernel_init_freeable+0x2fe/0x630 [ 28.582386][ C3] kernel_init+0x21/0x150 [ 28.582559][ C3] ret_from_fork+0x474/0x6b0 [ 28.582777][ C3] ret_from_fork_asm+0x11/0x20 [ 28.583007][ C3] INITIAL USE at: [ 28.583111][ C3] __lock_acquire+0x388/0xc20 [ 28.583330][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.583503][ C3] fs_reclaim_acquire+0xd5/0x120 [ 28.583722][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 28.583982][ C3] kthread_create_worker_on_node+0xea/0x210 [ 28.584193][ C3] workqueue_init+0x2a/0x680 [ 28.584468][ C3] kernel_init_freeable+0x2fe/0x630 [ 28.584689][ C3] kernel_init+0x21/0x150 [ 28.584862][ C3] ret_from_fork+0x474/0x6b0 [ 28.585090][ C3] ret_from_fork_asm+0x11/0x20 [ 28.585259][ C3] } [ 28.585380][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 28.585589][ C3] ... acquired at: [ 28.585742][ C3] __lock_acquire+0x518/0xc20 [ 28.585888][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.586072][ C3] fs_reclaim_acquire+0xd5/0x120 [ 28.586213][ C3] __kmalloc_noprof+0xd3/0x760 [ 28.586398][ C3] alloc_buf.isra.0+0x4b/0x260 [ 28.586532][ C3] put_chars+0x1e1/0x2f0 [ 28.586716][ C3] hvc_console_print+0x292/0x780 [ 28.586855][ C3] console_emit_next_record+0x22f/0x4c0 [ 28.587048][ C3] console_flush_one_record+0x46f/0x710 [ 28.587183][ C3] console_unlock+0xee/0x1f0 [ 28.587372][ C3] vprintk_emit+0x37c/0x3e0 [ 28.587511][ C3] _printk+0xc7/0x100 [ 28.587664][ C3] loop_init+0x12a/0x130 [ 28.587803][ C3] do_one_initcall+0x124/0x4f0 [ 28.587993][ C3] kernel_init_freeable+0x596/0x630 [ 28.588130][ C3] kernel_init+0x21/0x150 [ 28.588313][ C3] ret_from_fork+0x474/0x6b0 [ 28.588452][ C3] ret_from_fork_asm+0x11/0x20 [ 28.588637][ C3] [ 28.588708][ C3] -> (console_owner){....}-{0:0} { [ 28.588847][ C3] INITIAL USE at: [ 28.589003][ C3] } [ 28.589073][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 28.589280][ C3] ... acquired at: [ 28.589382][ C3] __lock_acquire+0x518/0xc20 [ 28.589567][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.589705][ C3] console_lock_spinning_enable+0x5c/0x60 [ 28.589932][ C3] console_emit_next_record+0x1d1/0x4c0 [ 28.590070][ C3] console_flush_one_record+0x46f/0x710 [ 28.590255][ C3] console_unlock+0xee/0x1f0 [ 28.590391][ C3] vprintk_emit+0x37c/0x3e0 [ 28.590574][ C3] _printk+0xc7/0x100 [ 28.590679][ C3] br_set_state+0x22f/0x430 [bridge] [ 28.590878][ C3] br_init_port+0xc4/0x200 [bridge] [ 28.591019][ C3] br_stp_enable_port+0x12/0x50 [bridge] [ 28.591245][ C3] br_add_if+0xde2/0x1320 [bridge] [ 28.591408][ C3] do_set_master+0x357/0x580 [ 28.591595][ C3] do_setlink.isra.0+0xa31/0x2750 [ 28.591731][ C3] rtnl_newlink+0x9f1/0x11c0 [ 28.591923][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.592060][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 28.592250][ C3] netlink_unicast+0x486/0x750 [ 28.592385][ C3] netlink_sendmsg+0x735/0xc60 [ 28.592568][ C3] ____sys_sendmsg+0x415/0x880 [ 28.592705][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 28.592900][ C3] __sys_sendmsg+0x12c/0x1d0 [ 28.593036][ C3] do_syscall_64+0xff/0x530 [ 28.593223][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.593396][ C3] [ 28.593512][ C3] -> (&br->lock){+.-.}-{3:3} { [ 28.593652][ C3] HARDIRQ-ON-W at: [ 28.593803][ C3] __lock_acquire+0x388/0xc20 [ 28.593985][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.594208][ C3] _raw_spin_lock_bh+0x38/0x50 [ 28.594383][ C3] recalculate_group_addr+0x51/0x120 [bridge] [ 28.594656][ C3] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 28.594919][ C3] br_changelink+0x575/0x16e0 [bridge] [ 28.595146][ C3] br_dev_newlink+0xeb/0x160 [bridge] [ 28.595325][ C3] rtnl_newlink_create+0x2d0/0x750 [ 28.595547][ C3] __rtnl_newlink+0x22b/0xa50 [ 28.595719][ C3] rtnl_newlink+0x9f1/0x11c0 [ 28.595968][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.596191][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 28.596364][ C3] netlink_unicast+0x486/0x750 [ 28.596589][ C3] netlink_sendmsg+0x735/0xc60 [ 28.596814][ C3] ____sys_sendmsg+0x415/0x880 [ 28.596993][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 28.597213][ C3] __sys_sendmsg+0x12c/0x1d0 [ 28.597388][ C3] do_syscall_64+0xff/0x530 [ 28.597608][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.597860][ C3] IN-SOFTIRQ-W at: [ 28.597982][ C3] __lock_acquire+0x388/0xc20 [ 28.598205][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.598378][ C3] _raw_spin_lock+0x33/0x40 [ 28.598600][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.598856][ C3] call_timer_fn+0x160/0x4d0 [ 28.599037][ C3] __run_timers+0x68f/0xaa0 [ 28.599264][ C3] run_timer_softirq+0xf0/0x160 [ 28.599487][ C3] handle_softirqs+0x1d3/0x900 [ 28.599660][ C3] __irq_exit_rcu+0x145/0x1c0 [ 28.599884][ C3] irq_exit_rcu+0xe/0x30 [ 28.600104][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.600311][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.600569][ C3] pv_native_safe_halt+0xf/0x10 [ 28.600787][ C3] default_idle+0x9/0x10 [ 28.600968][ C3] default_idle_call+0x6e/0xb0 [ 28.601192][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.601453][ C3] do_idle+0xd8/0x190 [ 28.601594][ C3] cpu_startup_entry+0x53/0x70 [ 28.601814][ C3] start_secondary+0x204/0x2b0 [ 28.605793][ C3] common_startup_64+0x13e/0x148 [ 28.606041][ C3] INITIAL USE at: [ 28.606143][ C3] __lock_acquire+0x388/0xc20 [ 28.606363][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.606581][ C3] _raw_spin_lock_bh+0x38/0x50 [ 28.606754][ C3] recalculate_group_addr+0x51/0x120 [bridge] [ 28.607015][ C3] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 28.607277][ C3] br_changelink+0x575/0x16e0 [bridge] [ 28.607457][ C3] br_dev_newlink+0xeb/0x160 [bridge] [ 28.607682][ C3] rtnl_newlink_create+0x2d0/0x750 [ 28.607909][ C3] __rtnl_newlink+0x22b/0xa50 [ 28.608082][ C3] rtnl_newlink+0x9f1/0x11c0 [ 28.608299][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.608514][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 28.608683][ C3] netlink_unicast+0x486/0x750 [ 28.608909][ C3] netlink_sendmsg+0x735/0xc60 [ 28.609081][ C3] ____sys_sendmsg+0x415/0x880 [ 28.609301][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 28.609519][ C3] __sys_sendmsg+0x12c/0x1d0 [ 28.609690][ C3] do_syscall_64+0xff/0x530 [ 28.609915][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.610165][ C3] } [ 28.610235][ C3] ... key at: [] __key.7+0x0/0x40 [bridge] [ 28.610488][ C3] ... acquired at: [ 28.610590][ C3] mark_lock+0x1d7/0xa00 [ 28.610773][ C3] mark_usage+0x42/0x170 [ 28.610915][ C3] __lock_acquire+0x388/0xc20 [ 28.611098][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.611233][ C3] _raw_spin_lock+0x33/0x40 [ 28.611415][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.611591][ C3] call_timer_fn+0x160/0x4d0 [ 28.611772][ C3] __run_timers+0x68f/0xaa0 [ 28.611915][ C3] run_timer_softirq+0xf0/0x160 [ 28.612099][ C3] handle_softirqs+0x1d3/0x900 [ 28.612234][ C3] __irq_exit_rcu+0x145/0x1c0 [ 28.612414][ C3] irq_exit_rcu+0xe/0x30 [ 28.612553][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.612770][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.612944][ C3] pv_native_safe_halt+0xf/0x10 [ 28.613127][ C3] default_idle+0x9/0x10 [ 28.613265][ C3] default_idle_call+0x6e/0xb0 [ 28.613446][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.613665][ C3] do_idle+0xd8/0x190 [ 28.613768][ C3] cpu_startup_entry+0x53/0x70 [ 28.613911][ C3] start_secondary+0x204/0x2b0 [ 28.614093][ C3] common_startup_64+0x13e/0x148 [ 28.614227][ C3] [ 28.614341][ C3] [ 28.614341][ C3] stack backtrace: [ 28.614513][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.614516][ C3] Tainted: [W]=WARN [ 28.614517][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.614519][ C3] Call Trace: [ 28.614520][ C3] [ 28.614521][ C3] dump_stack_lvl+0x6f/0xa0 [ 28.614524][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 28.614526][ C3] mark_lock_irq+0x989/0x9c0 [ 28.614529][ C3] mark_lock+0x1d7/0xa00 [ 28.614531][ C3] mark_usage+0x42/0x170 [ 28.614533][ C3] __lock_acquire+0x388/0xc20 [ 28.614535][ C3] lock_acquire.part.0+0xd4/0x280 [ 28.614537][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.614544][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.614547][ C3] ? lock_acquire+0x13c/0x160 [ 28.614549][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 28.614555][ C3] _raw_spin_lock+0x33/0x40 [ 28.614557][ C3] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.614563][ C3] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 28.614570][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 28.614576][ C3] call_timer_fn+0x160/0x4d0 [ 28.614578][ C3] ? detach_if_pending+0x1d0/0x1d0 [ 28.614580][ C3] ? debug_object_active_state+0x430/0x430 [ 28.614582][ C3] ? find_held_lock+0x2b/0x80 [ 28.614584][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 28.614586][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.614588][ C3] __run_timers+0x68f/0xaa0 [ 28.614590][ C3] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 28.614597][ C3] ? __bpf_trace_itimer_expire+0x10/0x10 [ 28.614599][ C3] ? __lock_acquire+0x518/0xc20 [ 28.614601][ C3] ? __rwlock_init+0x150/0x150 [ 28.614604][ C3] run_timer_softirq+0xf0/0x160 [ 28.614606][ C3] ? __run_timers+0xaa0/0xaa0 [ 28.614607][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.614610][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.614611][ C3] handle_softirqs+0x1d3/0x900 [ 28.614613][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 28.614615][ C3] ? _local_bh_enable+0xc0/0xc0 [ 28.614617][ C3] __irq_exit_rcu+0x145/0x1c0 [ 28.614618][ C3] irq_exit_rcu+0xe/0x30 [ 28.614620][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.614622][ C3] [ 28.614622][ C3] [ 28.614623][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 28.614625][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.614626][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 28.614628][ C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 28.614630][ C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282 [ 28.614632][ C3] RAX: 00000000000f3889 RBX: ff11000001c88040 RCX: ffffffff8f8f0307 [ 28.614633][ C3] RDX: ff11000001c88040 RSI: ffffffff92638b1c RDI: ffffffff9208d8e0 [ 28.614633][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.614634][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3 [ 28.614635][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 28.614637][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.614639][ C3] default_idle+0x9/0x10 [ 28.614640][ C3] default_idle_call+0x6e/0xb0 [ 28.614642][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.614644][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 28.614645][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 28.614647][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.614649][ C3] ? rcu_is_watching+0x16/0xd0 [ 28.614651][ C3] do_idle+0xd8/0x190 [ 28.614652][ C3] cpu_startup_entry+0x53/0x70 [ 28.614654][ C3] start_secondary+0x204/0x2b0 [ 28.614655][ C3] ? set_cpu_sibling_map+0x2130/0x2130 [ 28.614657][ C3] common_startup_64+0x13e/0x148 [ 28.614660][ C3] [ 31.164156][ T12] vx20: left allmulticast mode [ 31.164221][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.164224][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 31.164226][ T12] preempt_count: 1, expected: 0 [ 31.164227][ T12] RCU nest depth: 0, expected: 0 [ 31.164228][ T12] INFO: lockdep is turned off. [ 31.164229][ T12] irq event stamp: 43996 [ 31.164230][ T12] hardirqs last enabled at (43995): [] _raw_spin_unlock_irq+0x28/0x50 [ 31.164239][ T12] hardirqs last disabled at (43996): [] __schedule+0x1246/0x20e0 [ 31.164241][ T12] softirqs last enabled at (43992): [] __fib6_clean_all+0xff/0x290 [ 31.164244][ T12] softirqs last disabled at (43986): [] __fib6_clean_all+0xd9/0x290 [ 31.164247][ T12] Preemption disabled at: [ 31.164248][ T12] [] vprintk_emit+0x31b/0x3e0 [ 31.164257][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.164260][ T12] Tainted: [W]=WARN [ 31.164261][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.164263][ T12] Workqueue: netns cleanup_net [ 31.164269][ T12] Call Trace: [ 31.164271][ T12] [ 31.164272][ T12] dump_stack_lvl+0x6f/0xa0 [ 31.164278][ T12] ? vprintk_emit+0x31b/0x3e0 [ 31.164280][ T12] __might_resched.cold+0x1fe/0x2c1 [ 31.164284][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.164287][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164291][ T12] __kmalloc_noprof+0x443/0x760 [ 31.164295][ T12] ? __rwlock_init+0x150/0x150 [ 31.164297][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 31.164301][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 31.164303][ T12] alloc_buf.isra.0+0x4b/0x260 [ 31.164305][ T12] put_chars+0x1e1/0x2f0 [ 31.164307][ T12] ? desc_read_finalized_seq+0x79/0x120 [ 31.164308][ T12] ? __send_to_port+0x420/0x420 [ 31.164310][ T12] ? console_prepend_replay+0x20/0x20 [ 31.164313][ T12] hvc_console_print+0x292/0x780 [ 31.164316][ T12] ? hvc_write+0x3a0/0x3a0 [ 31.164317][ T12] ? do_raw_spin_lock+0x131/0x280 [ 31.164319][ T12] ? __rwlock_init+0x150/0x150 [ 31.164320][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164322][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164324][ T12] ? lock_acquire+0x13c/0x160 [ 31.164326][ T12] console_emit_next_record+0x22f/0x4c0 [ 31.164329][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 31.164331][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164332][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164334][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164336][ T12] ? lock_acquire+0x13c/0x160 [ 31.164338][ T12] ? console_flush_one_record+0x111/0x710 [ 31.164339][ T12] console_flush_one_record+0x46f/0x710 [ 31.164341][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 31.164344][ T12] console_unlock+0xee/0x1f0 [ 31.164346][ T12] ? lock_acquire+0x13c/0x160 [ 31.164347][ T12] ? console_flush_one_record+0x710/0x710 [ 31.164349][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164351][ T12] ? lock_release+0x184/0x1f0 [ 31.164352][ T12] ? lock_acquire+0x60/0x160 [ 31.164354][ T12] ? __rcu_read_lock+0x30/0x70 [ 31.164356][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.164358][ T12] ? vprintk_emit+0x320/0x3e0 [ 31.164360][ T12] vprintk_emit+0x37c/0x3e0 [ 31.164362][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 31.164364][ T12] ? process_one_work+0xe3e/0x1560 [ 31.164367][ T12] ? kthread+0x367/0x460 [ 31.164369][ T12] ? ret_from_fork+0x474/0x6b0 [ 31.164371][ T12] ? ret_from_fork_asm+0x11/0x20 [ 31.164374][ T12] _printk+0xc7/0x100 [ 31.164377][ T12] ? snapshot_read.cold+0x21/0x21 [ 31.164379][ T12] ? netdev_name+0x43/0x60 [ 31.164382][ T12] ? __netdev_printk+0x17f/0x1d0 [ 31.164384][ T12] netdev_info+0xe2/0x116 [ 31.164385][ T12] ? netdev_notice+0x120/0x120 [ 31.164387][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164389][ T12] ? __up_read+0x355/0x9e0 [ 31.164390][ T12] ? trace_hardirqs_on+0x36/0x40 [ 31.164393][ T12] ? down_write_nested+0x200/0x200 [ 31.164394][ T12] ? mutex_is_locked+0x1c/0x50 [ 31.164397][ T12] netif_set_allmulti.cold+0x7c/0x166 [ 31.164400][ T12] dev_set_allmulti+0xa2/0x150 [ 31.164402][ T12] del_nbp+0xb7/0xc10 [bridge] [ 31.164415][ T12] br_dev_delete+0x9d/0x1e0 [bridge] [ 31.164423][ T12] br_net_exit_rtnl+0xb8/0x110 [bridge] [ 31.164430][ T12] ops_undo_list+0x5be/0x8f0 [ 31.164433][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 31.164435][ T12] ? idr_destroy+0x121/0x250 [ 31.164438][ T12] cleanup_net+0x431/0x890 [ 31.164440][ T12] ? net_passive_dec+0x230/0x230 [ 31.164442][ T12] ? lock_acquire+0x13c/0x160 [ 31.164444][ T12] ? rcu_is_watching+0x16/0xd0 [ 31.164446][ T12] process_one_work+0xe3e/0x1560 [ 31.164449][ T12] ? __queue_delayed_work+0x470/0x470 [ 31.164451][ T12] ? find_held_lock+0x2b/0x80 [ 31.164453][ T12] ? __rwlock_init+0x150/0x150 [ 31.164455][ T12] worker_thread+0x4f1/0xd60 [ 31.164458][ T12] ? rescuer_thread+0x1340/0x1340 [ 31.164460][ T12] kthread+0x367/0x460 [ 31.164461][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.164463][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.164464][ T12] ret_from_fork+0x474/0x6b0 [ 31.164466][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 31.164468][ T12] ? __switch_to+0x5a3/0xe00 [ 31.164470][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.164472][ T12] ret_from_fork_asm+0x11/0x20 [ 31.164475][ T12] [ 31.183566][ T12] vx20: left promiscuous mode [ 31.183858][ T12] br2: port 3(vx20) entered disabled state [ 31.184987][ T12] vx10: left allmulticast mode [ 31.185243][ T12] vx10: left promiscuous mode [ 31.185519][ T12] br2: port 2(vx10) entered disabled state [ 31.186732][ T12] w1: left allmulticast mode [ 31.186937][ T12] w1: left promiscuous mode [ 31.188069][ T12] br2: port 1(w1) entered disabled state [ 31.280900][ T12] vx20: left allmulticast mode [ 31.281167][ T12] vx20: left promiscuous mode [ 31.281475][ T12] br2: port 3(vx20) entered disabled state [ 31.282815][ T12] vx10: left allmulticast mode [ 31.283047][ T12] vx10: left promiscuous mode [ 31.283684][ T12] br2: port 2(vx10) entered disabled state [ 31.285123][ T12] w1: left allmulticast mode [ 31.292339][ T12] w1: left promiscuous mode [ 31.292694][ T12] br2: port 1(w1) entered disabled state [ 31.811614][ T565] br1: port 4(veth2) entered disabled state [ 31.833091][ T566] veth2: left allmulticast mode [ 31.835013][ T566] veth2: left promiscuous mode [ 31.835249][ T566] br1: port 4(veth2) entered disabled state [ 31.898027][ T569] br1: port 3(veth1) entered disabled state [ 31.915527][ T570] veth1: left allmulticast mode [ 31.915727][ T570] veth1: left promiscuous mode [ 31.915961][ T570] br1: port 3(veth1) entered disabled state [ 31.968686][ T572] vx20: left allmulticast mode [ 31.968900][ T572] vx20: left promiscuous mode [ 31.969118][ T572] br1: port 2(vx20) entered disabled state [ 32.051872][ T576] vx10: left allmulticast mode [ 32.052069][ T576] vx10: left promiscuous mode [ 32.052357][ T576] br1: port 1(vx10) entered disabled state