[ 10.216990][ T225] 8021q: 802.1Q VLAN Support v1.8 [ 10.217009][ T225] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.217011][ T225] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 225, name: modprobe [ 10.217013][ T225] preempt_count: 1, expected: 0 [ 10.217014][ T225] RCU nest depth: 0, expected: 0 [ 10.217014][ T225] locks held by modprobe/225: 4, last CPU#2: [ 10.217017][ T225] #0: ffffffff8c769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.217029][ T225] #1: ffffffff8c769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.217033][ T225] #2: ffffffff8c689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.217037][ T225] #3: ffffffff8c689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.217041][ T225] irq event stamp: 28292 [ 10.217042][ T225] hardirqs last enabled at (28291): [] __down_trylock_console_sem+0x86/0xa0 [ 10.217044][ T225] hardirqs last disabled at (28292): [] console_emit_next_record+0x3d4/0x4c0 [ 10.217046][ T225] softirqs last enabled at (25312): [] handle_softirqs+0x67c/0x900 [ 10.217049][ T225] softirqs last disabled at (25307): [] __irq_exit_rcu+0x145/0x1c0 [ 10.217052][ T225] Preemption disabled at: [ 10.217053][ T225] [] vprintk_emit+0x31b/0x3e0 [ 10.217059][ T225] CPU: 2 UID: 0 PID: 225 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.217062][ T225] Tainted: [W]=WARN [ 10.217063][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.217065][ T225] Call Trace: [ 10.217066][ T225] [ 10.217068][ T225] dump_stack_lvl+0x6f/0xa0 [ 10.217074][ T225] ? vprintk_emit+0x31b/0x3e0 [ 10.217076][ T225] __might_resched.cold+0x1fe/0x2c1 [ 10.217081][ T225] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.217085][ T225] ? __kmalloc_noprof+0xdb/0x760 [ 10.217090][ T225] __kmalloc_noprof+0x443/0x760 [ 10.217092][ T225] ? alloc_buf.isra.0+0x4b/0x260 [ 10.217097][ T225] ? do_raw_spin_unlock+0x59/0x250 [ 10.217100][ T225] alloc_buf.isra.0+0x4b/0x260 [ 10.217103][ T225] put_chars+0x1e1/0x2f0 [ 10.217106][ T225] ? __send_to_port+0x420/0x420 [ 10.217107][ T225] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.217112][ T225] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.217115][ T225] ? validate_chain+0x38b/0xc20 [ 10.217119][ T225] hvc_console_print+0x292/0x780 [ 10.217122][ T225] ? __lock_acquire+0x518/0xc20 [ 10.217127][ T225] ? hvc_write+0x3a0/0x3a0 [ 10.217129][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.217134][ T225] console_emit_next_record+0x22f/0x4c0 [ 10.217138][ T225] ? devkmsg_read+0x4b0/0x4b0 [ 10.217140][ T225] ? console_flush_one_record+0x106/0x710 [ 10.217143][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.217145][ T225] ? lock_acquire+0x13c/0x160 [ 10.217149][ T225] console_flush_one_record+0x46f/0x710 [ 10.217153][ T225] ? console_emit_next_record+0x4c0/0x4c0 [ 10.217154][ T225] ? __lock_acquire+0x518/0xc20 [ 10.217159][ T225] console_unlock+0xee/0x1f0 [ 10.217162][ T225] ? console_flush_one_record+0x710/0x710 [ 10.217164][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.217166][ T225] ? lock_acquire+0x60/0x160 [ 10.217170][ T225] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.217171][ T225] ? vprintk_emit+0x320/0x3e0 [ 10.217174][ T225] vprintk_emit+0x37c/0x3e0 [ 10.217178][ T225] ? wake_up_klogd_work_func+0x90/0x90 [ 10.217184][ T225] ? vlan_netlink_fini+0x960/0x960 [8021q] [ 10.217187][ T225] _printk+0xc7/0x100 [ 10.217191][ T225] ? snapshot_read.cold+0x21/0x21 [ 10.217197][ T225] ? do_one_initcall+0x113/0x4f0 [ 10.217200][ T225] vlan_proto_init+0x24/0x90 [8021q] [ 10.217203][ T225] do_one_initcall+0x124/0x4f0 [ 10.217206][ T225] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.217210][ T225] ? do_init_module+0xae/0x8a0 [ 10.217214][ T225] ? kasan_unpoison+0x44/0x70 [ 10.217220][ T225] do_init_module+0x2ad/0x8a0 [ 10.217224][ T225] ? lockdep_hardirqs_on+0x91/0x130 [ 10.217228][ T225] ? free_module+0x470/0x470 [ 10.217231][ T225] ? kfree+0x123/0x590 [ 10.217235][ T225] load_module+0x1424/0x1bb0 [ 10.217242][ T225] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.217245][ T225] ? __ia32_sys_fsconfig+0x180/0x180 [ 10.217248][ T225] ? ovl_real_file+0x172/0x1e0 [ 10.217252][ T225] ? find_held_lock+0x2b/0x80 [ 10.217254][ T225] ? backing_file_read_iter+0x541/0x790 [ 10.217257][ T225] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.217261][ T225] init_module_from_file+0x11f/0x1a0 [ 10.217264][ T225] ? __do_sys_init_module+0x220/0x220 [ 10.217272][ T225] ? __rwlock_init+0x150/0x150 [ 10.217275][ T225] ? do_raw_spin_unlock+0x59/0x250 [ 10.217278][ T225] idempotent_init_module+0x37b/0x7c0 [ 10.217281][ T225] ? init_module_from_file+0x1a0/0x1a0 [ 10.217287][ T225] ? rcu_is_watching+0x16/0xd0 [ 10.217290][ T225] ? cap_capable+0x1d7/0x3d0 [ 10.217296][ T225] __x64_sys_finit_module+0xdf/0x190 [ 10.217298][ T225] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.217301][ T225] do_syscall_64+0xff/0x530 [ 10.217303][ T225] ? exc_page_fault+0xee/0x100 [ 10.217306][ T225] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.217308][ T225] RIP: 0033:0x7f11ce14c37d [ 10.217312][ 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 [ 10.217313][ T225] RSP: 002b:00007ffcfe424098 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.217316][ T225] RAX: ffffffffffffffda RBX: 000055ab69cf8810 RCX: 00007f11ce14c37d [ 10.217317][ T225] RDX: 0000000000000000 RSI: 000055ab39017ffd RDI: 0000000000000000 [ 10.217318][ T225] RBP: 00007ffcfe424130 R08: 0000000000000000 R09: 0000000000000000 [ 10.217319][ T225] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ab39017ffd [ 10.217320][ T225] R13: 000055ab69cf8960 R14: 0000000000040000 R15: 0000000000000000 [ 10.217326][ T225] [ 11.067746][ T248] br0: port 1(veth1) entered blocking state [ 11.069290][ T248] br0: port 1(veth1) entered disabled state [ 11.069877][ T248] veth1: entered allmulticast mode [ 11.072849][ T248] veth1: entered promiscuous mode [ 11.119963][ T250] br0: port 2(veth2) entered blocking state [ 11.120998][ T250] br0: port 2(veth2) entered disabled state [ 11.121561][ T250] veth2: entered allmulticast mode [ 11.124494][ T250] veth2: entered promiscuous mode [ 11.196311][ T93] br0: port 1(veth1) entered blocking state [ 11.196730][ T93] br0: port 1(veth1) entered forwarding state [ 11.246885][ T93] br0: port 2(veth2) entered blocking state [ 11.246905][ T93] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.246908][ T93] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 93, name: kworker/u19:1 [ 11.246910][ T93] preempt_count: 202, expected: 0 [ 11.246912][ T93] RCU nest depth: 0, expected: 0 [ 11.246913][ T93] locks held by kworker/u19:1/93: 8, last CPU#2: [ 11.246916][ T93] #0: ff1100000114a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 11.246932][ T93] #1: ffa00000005e7d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 11.246938][ T93] #2: ffffffff8ced2c40 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 11.246946][ T93] #3: ff1100000252ae58 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [bridge] [ 11.246967][ T93] #4: ffffffff8c769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.246974][ T93] #5: ffffffff8c769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.246979][ T93] #6: ffffffff8c689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.246985][ T93] #7: ffffffff8c689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.246991][ T93] irq event stamp: 30347 [ 11.246992][ T93] hardirqs last enabled at (30346): [] __down_trylock_console_sem+0x86/0xa0 [ 11.246996][ T93] hardirqs last disabled at (30347): [] console_emit_next_record+0x3d4/0x4c0 [ 11.246999][ T93] softirqs last enabled at (30308): [] inet6_fill_ifla6_attrs+0x1b3e/0x21e0 [ 11.247003][ T93] softirqs last disabled at (30342): [] br_port_carrier_check+0x161/0x430 [bridge] [ 11.247016][ T93] Preemption disabled at: [ 11.247017][ T93] [<0000000000000000>] 0x0 [ 11.247025][ T93] CPU: 2 UID: 0 PID: 93 Comm: kworker/u19:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.247030][ T93] Tainted: [W]=WARN [ 11.247031][ T93] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.247034][ T93] Workqueue: events_unbound linkwatch_event [ 11.247038][ T93] Call Trace: [ 11.247041][ T93] [ 11.247043][ T93] dump_stack_lvl+0x6f/0xa0 [ 11.247052][ T93] __might_resched.cold+0x1fe/0x2c1 [ 11.247059][ T93] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.247064][ T93] ? __kmalloc_noprof+0xdb/0x760 [ 11.247072][ T93] __kmalloc_noprof+0x443/0x760 [ 11.247076][ T93] ? alloc_buf.isra.0+0x4b/0x260 [ 11.247085][ T93] ? do_raw_spin_unlock+0x59/0x250 [ 11.247089][ T93] alloc_buf.isra.0+0x4b/0x260 [ 11.247094][ T93] put_chars+0x1e1/0x2f0 [ 11.247098][ T93] ? __send_to_port+0x420/0x420 [ 11.247103][ T93] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.247109][ T93] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.247113][ T93] ? validate_chain+0x38b/0xc20 [ 11.247120][ T93] hvc_console_print+0x292/0x780 [ 11.247123][ T93] ? mark_usage+0x61/0x170 [ 11.247126][ T93] ? __lock_acquire+0x518/0xc20 [ 11.247129][ T93] ? __lock_acquire+0x518/0xc20 [ 11.247136][ T93] ? hvc_write+0x3a0/0x3a0 [ 11.247138][ T93] ? lock_acquire.part.0+0xd4/0x280 [ 11.247146][ T93] ? lock_acquire+0x13c/0x160 [ 11.247153][ T93] console_emit_next_record+0x22f/0x4c0 [ 11.247160][ T93] ? devkmsg_read+0x4b0/0x4b0 [ 11.247162][ T93] ? console_flush_one_record+0x106/0x710 [ 11.247168][ T93] ? rcu_is_watching+0x16/0xd0 [ 11.247171][ T93] ? lock_acquire+0x13c/0x160 [ 11.247179][ T93] console_flush_one_record+0x46f/0x710 [ 11.247186][ T93] ? console_emit_next_record+0x4c0/0x4c0 [ 11.247189][ T93] ? __lock_acquire+0x518/0xc20 [ 11.247198][ T93] console_unlock+0xee/0x1f0 [ 11.247203][ T93] ? console_flush_one_record+0x710/0x710 [ 11.247205][ T93] ? rcu_is_watching+0x16/0xd0 [ 11.247209][ T93] ? lock_acquire+0x60/0x160 [ 11.247216][ T93] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.247220][ T93] ? vprintk_emit+0x320/0x3e0 [ 11.247226][ T93] vprintk_emit+0x37c/0x3e0 [ 11.247232][ T93] ? wake_up_klogd_work_func+0x90/0x90 [ 11.247237][ T93] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.247241][ T93] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.247248][ T93] _printk+0xc7/0x100 [ 11.247253][ T93] ? snapshot_read.cold+0x21/0x21 [ 11.247262][ T93] ? lock_acquire.part.0+0xd4/0x280 [ 11.247269][ T93] br_set_state+0x22f/0x430 [bridge] [ 11.247286][ T93] br_init_port+0xc4/0x200 [bridge] [ 11.247300][ T93] br_stp_enable_port+0x12/0x50 [bridge] [ 11.247313][ T93] br_port_carrier_check+0x220/0x430 [bridge] [ 11.247328][ T93] br_device_event+0x52d/0x8f0 [bridge] [ 11.247343][ T93] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 11.247346][ T93] ? nlmsg_notify+0x62/0x250 [ 11.247357][ T93] notifier_call_chain+0xae/0x300 [ 11.247367][ T93] netif_state_change+0x139/0x340 [ 11.247374][ T93] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 11.247382][ T93] ? linkwatch_do_dev+0xae/0xd0 [ 11.247386][ T93] __linkwatch_run_queue+0x34c/0x750 [ 11.247391][ T93] ? linkwatch_do_dev+0xd0/0xd0 [ 11.247396][ T93] ? lock_acquire.part.0+0xd4/0x280 [ 11.247403][ T93] linkwatch_event+0x7f/0xb0 [ 11.247407][ T93] ? __linkwatch_run_queue+0x750/0x750 [ 11.247413][ T93] process_one_work+0xe3e/0x1560 [ 11.247425][ T93] ? __queue_delayed_work+0x470/0x470 [ 11.247429][ T93] ? lock_acquire.part.0+0xd4/0x280 [ 11.247443][ T93] worker_thread+0x4f1/0xd60 [ 11.247450][ T93] ? rescuer_thread+0x1340/0x1340 [ 11.247453][ T93] ? __kthread_parkme+0xbd/0x210 [ 11.247458][ T93] ? rescuer_thread+0x1340/0x1340 [ 11.247462][ T93] ? rescuer_thread+0x1340/0x1340 [ 11.247465][ T93] kthread+0x367/0x460 [ 11.247468][ T93] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.247472][ T93] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.247477][ T93] ret_from_fork+0x474/0x6b0 [ 11.247483][ T93] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 11.247486][ T93] ? trace_x86_fpu_regs_deactivated+0x9b/0x190 [ 11.247490][ T93] ? save_fpregs_to_fpstate+0x46/0x1a0 [ 11.247493][ T93] ? __switch_to+0x5a3/0xe00 [ 11.247497][ T93] ? kthread_affine_preferred+0x4c0/0x4c0 [ 11.247502][ T93] ret_from_fork_asm+0x11/0x20 [ 11.247517][ T93] [ 11.301202][ T93] br0: port 2(veth2) entered forwarding state [ 26.483284][ C1] [ 26.483300][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.483303][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1 [ 26.483305][ C1] preempt_count: 104, expected: 0 [ 26.483306][ C1] RCU nest depth: 0, expected: 0 [ 26.483307][ C1] INFO: lockdep is turned off. [ 26.483308][ C1] irq event stamp: 584796 [ 26.483308][ C1] hardirqs last enabled at (584796): [] _raw_spin_unlock_irq+0x28/0x50 [ 26.483317][ C1] hardirqs last disabled at (584795): [] _raw_spin_lock_irq+0x4a/0x50 [ 26.483319][ C1] softirqs last enabled at (584750): [] handle_softirqs+0x67c/0x900 [ 26.483323][ C1] softirqs last disabled at (584793): [] __irq_exit_rcu+0x145/0x1c0 [ 26.483325][ C1] Preemption disabled at: [ 26.483326][ C1] [<0000000000000000>] 0x0 [ 26.483333][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.483337][ C1] Tainted: [W]=WARN [ 26.483338][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.483339][ C1] Call Trace: [ 26.483341][ C1] [ 26.483344][ C1] dump_stack_lvl+0x6f/0xa0 [ 26.483349][ C1] __might_resched.cold+0x1fe/0x2c1 [ 26.483353][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.483357][ C1] ? __asan_memcpy+0x3c/0x60 [ 26.483360][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483363][ C1] __kmalloc_noprof+0x443/0x760 [ 26.483367][ C1] ? __rwlock_init+0x150/0x150 [ 26.483369][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 26.483373][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 26.483374][ C1] alloc_buf.isra.0+0x4b/0x260 [ 26.483377][ C1] put_chars+0x1e1/0x2f0 [ 26.483379][ C1] ? __send_to_port+0x420/0x420 [ 26.483380][ C1] ? console_prepend_replay+0x20/0x20 [ 26.483384][ C1] hvc_console_print+0x292/0x780 [ 26.483387][ C1] ? hvc_write+0x3a0/0x3a0 [ 26.483389][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483391][ C1] ? lock_acquire+0x13c/0x160 [ 26.483393][ C1] console_emit_next_record+0x22f/0x4c0 [ 26.483395][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 26.483397][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483399][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483400][ C1] ? lock_acquire+0x13c/0x160 [ 26.483402][ C1] ? console_flush_one_record+0x111/0x710 [ 26.483404][ C1] console_flush_one_record+0x46f/0x710 [ 26.483406][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 26.483409][ C1] console_unlock+0xee/0x1f0 [ 26.483411][ C1] ? lock_acquire+0x13c/0x160 [ 26.483412][ C1] ? console_flush_one_record+0x710/0x710 [ 26.483414][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483415][ C1] ? lock_release+0x184/0x1f0 [ 26.483417][ C1] ? lock_acquire+0x60/0x160 [ 26.483419][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.483421][ C1] ? vprintk_emit+0x320/0x3e0 [ 26.483423][ C1] vprintk_emit+0x37c/0x3e0 [ 26.483425][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 26.483427][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483439][ C1] ? lock_release+0x184/0x1f0 [ 26.483441][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483447][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483453][ C1] ? is_module_text_address+0x154/0x250 [ 26.483457][ C1] _printk+0xc7/0x100 [ 26.483460][ C1] ? snapshot_read.cold+0x21/0x21 [ 26.483462][ C1] ? arch_stack_walk+0xd7/0x130 [ 26.483466][ C1] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.483468][ C1] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 26.483470][ C1] print_irq_inversion_bug.part.0+0x32/0xc0 [ 26.483472][ C1] mark_lock_irq+0x989/0x9c0 [ 26.483475][ C1] mark_lock+0x1d7/0xa00 [ 26.483477][ C1] mark_usage+0x42/0x170 [ 26.483478][ C1] __lock_acquire+0x388/0xc20 [ 26.483481][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.483482][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483489][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483490][ C1] ? lock_acquire+0x13c/0x160 [ 26.483492][ C1] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.483498][ C1] _raw_spin_lock+0x33/0x40 [ 26.483500][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483506][ C1] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.483513][ C1] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.483519][ C1] call_timer_fn+0x160/0x4d0 [ 26.483522][ C1] ? detach_if_pending+0x1d0/0x1d0 [ 26.483523][ C1] ? debug_object_active_state+0x430/0x430 [ 26.483527][ C1] ? find_held_lock+0x2b/0x80 [ 26.483529][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 26.483531][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483533][ C1] __run_timers+0x68f/0xaa0 [ 26.483535][ C1] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.483541][ C1] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.483543][ C1] ? __lock_acquire+0x518/0xc20 [ 26.483546][ C1] ? __rwlock_init+0x150/0x150 [ 26.483548][ C1] run_timer_softirq+0xf0/0x160 [ 26.483550][ C1] ? __run_timers+0xaa0/0xaa0 [ 26.483552][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.483554][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483556][ C1] handle_softirqs+0x1d3/0x900 [ 26.483558][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 26.483559][ C1] ? _local_bh_enable+0xc0/0xc0 [ 26.483562][ C1] __irq_exit_rcu+0x145/0x1c0 [ 26.483563][ C1] irq_exit_rcu+0xe/0x30 [ 26.483565][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.483568][ C1] [ 26.483568][ C1] [ 26.483569][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 26.483571][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.483573][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.483576][ C1] 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 [ 26.483578][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282 [ 26.483581][ C1] RAX: 000000000008ec57 RBX: ff11000001bea380 RCX: ffffffff894f0307 [ 26.483582][ C1] RDX: ff11000001bea380 RSI: ffffffff8c238b1c RDI: ffffffff8bc8d8e0 [ 26.483583][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.483584][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3 [ 26.483585][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.483586][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.483590][ C1] default_idle+0x9/0x10 [ 26.483592][ C1] default_idle_call+0x6e/0xb0 [ 26.483593][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.483595][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 26.483597][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 26.483599][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.483600][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.483602][ C1] do_idle+0xd8/0x190 [ 26.483604][ C1] cpu_startup_entry+0x53/0x70 [ 26.483605][ C1] start_secondary+0x204/0x2b0 [ 26.483607][ C1] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.483609][ C1] common_startup_64+0x13e/0x148 [ 26.483613][ C1] [ 26.502291][ C1] ======================================================== [ 26.502503][ C1] WARNING: possible irq lock inversion dependency detected [ 26.502707][ C1] 7.2.0-virtme #1 Tainted: G W [ 26.502880][ C1] -------------------------------------------------------- [ 26.503115][ C1] swapper/1/0 just changed the state of lock: [ 26.503284][ C1] ff1100000252ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.503571][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 26.503836][ C1] (fs_reclaim){+.+.}-{0:0} [ 26.503839][ C1] [ 26.503839][ C1] [ 26.503839][ C1] and interrupts could create inverse lock ordering between them. [ 26.503839][ C1] [ 26.504448][ C1] [ 26.504448][ C1] other info that might help us debug this: [ 26.504699][ C1] Chain exists of: [ 26.504699][ C1] &br->lock --> console_owner --> fs_reclaim [ 26.504699][ C1] [ 26.505062][ C1] Possible interrupt unsafe locking scenario: [ 26.505062][ C1] [ 26.505332][ C1] CPU0 CPU1 [ 26.505481][ C1] ---- ---- [ 26.505664][ C1] lock(fs_reclaim); [ 26.505778][ C1] local_irq_disable(); [ 26.506017][ C1] lock(&br->lock); [ 26.506194][ C1] lock(console_owner); [ 26.506411][ C1] [ 26.506513][ C1] lock(&br->lock); [ 26.506663][ C1] [ 26.506663][ C1] *** DEADLOCK *** [ 26.506663][ C1] [ 26.506928][ C1] locks held by swapper/1/0: 1, last CPU#1: [ 26.507143][ C1] #0: ffa00000001d0c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 26.507471][ C1] [ 26.507471][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 26.507759][ C1] -> (fs_reclaim){+.+.}-{0:0} { [ 26.507924][ C1] HARDIRQ-ON-W at: [ 26.508078][ C1] __lock_acquire+0x388/0xc20 [ 26.508255][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.508475][ C1] fs_reclaim_acquire+0xd5/0x120 [ 26.508698][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 26.508913][ C1] kthread_create_worker_on_node+0xea/0x210 [ 26.509164][ C1] workqueue_init+0x2a/0x680 [ 26.509386][ C1] kernel_init_freeable+0x2fe/0x630 [ 26.509593][ C1] kernel_init+0x21/0x150 [ 26.509818][ C1] ret_from_fork+0x474/0x6b0 [ 26.510041][ C1] ret_from_fork_asm+0x11/0x20 [ 26.510211][ C1] SOFTIRQ-ON-W at: [ 26.510358][ C1] __lock_acquire+0x388/0xc20 [ 26.510529][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.510749][ C1] fs_reclaim_acquire+0xd5/0x120 [ 26.510969][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 26.511171][ C1] kthread_create_worker_on_node+0xea/0x210 [ 26.511377][ C1] workqueue_init+0x2a/0x680 [ 26.511598][ C1] kernel_init_freeable+0x2fe/0x630 [ 26.511806][ C1] kernel_init+0x21/0x150 [ 26.512054][ C1] ret_from_fork+0x474/0x6b0 [ 26.512273][ C1] ret_from_fork_asm+0x11/0x20 [ 26.512444][ C1] INITIAL USE at: [ 26.512597][ C1] __lock_acquire+0x388/0xc20 [ 26.512779][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.512999][ C1] fs_reclaim_acquire+0xd5/0x120 [ 26.513217][ C1] __kmalloc_cache_noprof+0x6e/0x620 [ 26.513424][ C1] kthread_create_worker_on_node+0xea/0x210 [ 26.513674][ C1] workqueue_init+0x2a/0x680 [ 26.513922][ C1] kernel_init_freeable+0x2fe/0x630 [ 26.514093][ C1] kernel_init+0x21/0x150 [ 26.514308][ C1] ret_from_fork+0x474/0x6b0 [ 26.514523][ C1] ret_from_fork_asm+0x11/0x20 [ 26.514699][ C1] } [ 26.514771][ C1] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 26.515030][ C1] ... acquired at: [ 26.515179][ C1] __lock_acquire+0x518/0xc20 [ 26.515320][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.515500][ C1] fs_reclaim_acquire+0xd5/0x120 [ 26.515636][ C1] __kmalloc_noprof+0xd3/0x760 [ 26.515820][ C1] alloc_buf.isra.0+0x4b/0x260 [ 26.515963][ C1] put_chars+0x1e1/0x2f0 [ 26.516140][ C1] hvc_console_print+0x292/0x780 [ 26.516275][ C1] console_emit_next_record+0x22f/0x4c0 [ 26.516456][ C1] console_flush_one_record+0x46f/0x710 [ 26.516593][ C1] console_unlock+0xee/0x1f0 [ 26.516776][ C1] vprintk_emit+0x37c/0x3e0 [ 26.516914][ C1] _printk+0xc7/0x100 [ 26.517016][ C1] sock_register+0x12d/0x290 [ 26.517202][ C1] inet6_init+0x1a6/0x3e0 [ 26.517337][ C1] do_one_initcall+0x124/0x4f0 [ 26.517518][ C1] kernel_init_freeable+0x596/0x630 [ 26.517652][ C1] kernel_init+0x21/0x150 [ 26.517836][ C1] ret_from_fork+0x474/0x6b0 [ 26.517971][ C1] ret_from_fork_asm+0x11/0x20 [ 26.518149][ C1] [ 26.518218][ C1] -> (console_owner){....}-{0:0} { [ 26.518405][ C1] INITIAL USE at: [ 26.518507][ C1] } [ 26.518576][ C1] ... key at: [] console_owner_dep_map+0x0/0x60 [ 26.518828][ C1] ... acquired at: [ 26.518935][ C1] __lock_acquire+0x518/0xc20 [ 26.519118][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.519253][ C1] console_lock_spinning_enable+0x5c/0x60 [ 26.519469][ C1] console_emit_next_record+0x1d1/0x4c0 [ 26.519651][ C1] console_flush_one_record+0x46f/0x710 [ 26.519794][ C1] console_unlock+0xee/0x1f0 [ 26.519978][ C1] vprintk_emit+0x37c/0x3e0 [ 26.520113][ C1] _printk+0xc7/0x100 [ 26.520215][ C1] br_set_state+0x22f/0x430 [bridge] [ 26.520405][ C1] br_init_port+0xc4/0x200 [bridge] [ 26.520546][ C1] br_stp_enable_port+0x12/0x50 [bridge] [ 26.520772][ C1] br_port_carrier_check+0x220/0x430 [bridge] [ 26.521003][ C1] br_device_event+0x52d/0x8f0 [bridge] [ 26.521142][ C1] notifier_call_chain+0xae/0x300 [ 26.521275][ C1] netif_state_change+0x139/0x340 [ 26.521410][ C1] __linkwatch_run_queue+0x34c/0x750 [ 26.521597][ C1] linkwatch_event+0x7f/0xb0 [ 26.521735][ C1] process_one_work+0xe3e/0x1560 [ 26.521920][ C1] worker_thread+0x4f1/0xd60 [ 26.522054][ C1] kthread+0x367/0x460 [ 26.522200][ C1] ret_from_fork+0x474/0x6b0 [ 26.522337][ C1] ret_from_fork_asm+0x11/0x20 [ 26.522515][ C1] [ 26.522584][ C1] -> (&br->lock){+.-.}-{3:3} { [ 26.522728][ C1] HARDIRQ-ON-W at: [ 26.522874][ C1] __lock_acquire+0x388/0xc20 [ 26.523050][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.523266][ C1] _raw_spin_lock_bh+0x38/0x50 [ 26.527764][ C1] recalculate_group_addr+0x51/0x120 [bridge] [ 26.527994][ C1] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 26.528253][ C1] br_changelink+0x575/0x16e0 [bridge] [ 26.528480][ C1] br_dev_newlink+0xeb/0x160 [bridge] [ 26.528653][ C1] rtnl_newlink_create+0x2d0/0x750 [ 26.528882][ C1] __rtnl_newlink+0x22b/0xa50 [ 26.529103][ C1] rtnl_newlink+0x9f1/0x11c0 [ 26.529271][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.529488][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 26.529660][ C1] netlink_unicast+0x486/0x750 [ 26.529883][ C1] netlink_sendmsg+0x735/0xc60 [ 26.530110][ C1] ____sys_sendmsg+0x415/0x880 [ 26.530285][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 26.530503][ C1] __sys_sendmsg+0x12c/0x1d0 [ 26.530724][ C1] do_syscall_64+0xff/0x530 [ 26.530900][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.531154][ C1] IN-SOFTIRQ-W at: [ 26.531257][ C1] __lock_acquire+0x388/0xc20 [ 26.531477][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.531701][ C1] _raw_spin_lock+0x33/0x40 [ 26.531873][ C1] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.532135][ C1] call_timer_fn+0x160/0x4d0 [ 26.532353][ C1] __run_timers+0x68f/0xaa0 [ 26.532522][ C1] run_timer_softirq+0xf0/0x160 [ 26.532742][ C1] handle_softirqs+0x1d3/0x900 [ 26.532918][ C1] __irq_exit_rcu+0x145/0x1c0 [ 26.533135][ C1] irq_exit_rcu+0xe/0x30 [ 26.533351][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.533558][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.533810][ C1] pv_native_safe_halt+0xf/0x10 [ 26.534035][ C1] default_idle+0x9/0x10 [ 26.534207][ C1] default_idle_call+0x6e/0xb0 [ 26.534431][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.534684][ C1] do_idle+0xd8/0x190 [ 26.534827][ C1] cpu_startup_entry+0x53/0x70 [ 26.535048][ C1] start_secondary+0x204/0x2b0 [ 26.535268][ C1] common_startup_64+0x13e/0x148 [ 26.535445][ C1] INITIAL USE at: [ 26.535594][ C1] __lock_acquire+0x388/0xc20 [ 26.535774][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.535997][ C1] _raw_spin_lock_bh+0x38/0x50 [ 26.536169][ C1] recalculate_group_addr+0x51/0x120 [bridge] [ 26.536421][ C1] br_vlan_filter_toggle+0x85/0x110 [bridge] [ 26.536679][ C1] br_changelink+0x575/0x16e0 [bridge] [ 26.536916][ C1] br_dev_newlink+0xeb/0x160 [bridge] [ 26.537089][ C1] rtnl_newlink_create+0x2d0/0x750 [ 26.537308][ C1] __rtnl_newlink+0x22b/0xa50 [ 26.537481][ C1] rtnl_newlink+0x9f1/0x11c0 [ 26.537704][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.537926][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 26.538100][ C1] netlink_unicast+0x486/0x750 [ 26.538316][ C1] netlink_sendmsg+0x735/0xc60 [ 26.538534][ C1] ____sys_sendmsg+0x415/0x880 [ 26.538712][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 26.538932][ C1] __sys_sendmsg+0x12c/0x1d0 [ 26.539101][ C1] do_syscall_64+0xff/0x530 [ 26.539319][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.539567][ C1] } [ 26.539637][ C1] ... key at: [] __key.7+0x0/0x40 [bridge] [ 26.539897][ C1] ... acquired at: [ 26.539999][ C1] mark_lock+0x1d7/0xa00 [ 26.540184][ C1] mark_usage+0x42/0x170 [ 26.540318][ C1] __lock_acquire+0x388/0xc20 [ 26.540498][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.540632][ C1] _raw_spin_lock+0x33/0x40 [ 26.540816][ C1] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.540993][ C1] call_timer_fn+0x160/0x4d0 [ 26.541175][ C1] __run_timers+0x68f/0xaa0 [ 26.541317][ C1] run_timer_softirq+0xf0/0x160 [ 26.541498][ C1] handle_softirqs+0x1d3/0x900 [ 26.541634][ C1] __irq_exit_rcu+0x145/0x1c0 [ 26.541817][ C1] irq_exit_rcu+0xe/0x30 [ 26.541959][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.542172][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.542384][ C1] pv_native_safe_halt+0xf/0x10 [ 26.542520][ C1] default_idle+0x9/0x10 [ 26.542708][ C1] default_idle_call+0x6e/0xb0 [ 26.542842][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.543060][ C1] do_idle+0xd8/0x190 [ 26.543162][ C1] cpu_startup_entry+0x53/0x70 [ 26.543340][ C1] start_secondary+0x204/0x2b0 [ 26.543473][ C1] common_startup_64+0x13e/0x148 [ 26.543653][ C1] [ 26.543727][ C1] [ 26.543727][ C1] stack backtrace: [ 26.543903][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.543906][ C1] Tainted: [W]=WARN [ 26.543907][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.543909][ C1] Call Trace: [ 26.543910][ C1] [ 26.543912][ C1] dump_stack_lvl+0x6f/0xa0 [ 26.543916][ C1] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 26.543919][ C1] mark_lock_irq+0x989/0x9c0 [ 26.543922][ C1] mark_lock+0x1d7/0xa00 [ 26.543923][ C1] mark_usage+0x42/0x170 [ 26.543925][ C1] __lock_acquire+0x388/0xc20 [ 26.543927][ C1] lock_acquire.part.0+0xd4/0x280 [ 26.543929][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.543936][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.543939][ C1] ? lock_acquire+0x13c/0x160 [ 26.543941][ C1] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.543947][ C1] _raw_spin_lock+0x33/0x40 [ 26.543949][ C1] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.543955][ C1] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 26.543962][ C1] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.543968][ C1] call_timer_fn+0x160/0x4d0 [ 26.543970][ C1] ? detach_if_pending+0x1d0/0x1d0 [ 26.543972][ C1] ? debug_object_active_state+0x430/0x430 [ 26.543976][ C1] ? find_held_lock+0x2b/0x80 [ 26.543977][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 26.543979][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.543981][ C1] __run_timers+0x68f/0xaa0 [ 26.543983][ C1] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 26.543990][ C1] ? __bpf_trace_itimer_expire+0x10/0x10 [ 26.543992][ C1] ? __lock_acquire+0x518/0xc20 [ 26.543994][ C1] ? __rwlock_init+0x150/0x150 [ 26.543997][ C1] run_timer_softirq+0xf0/0x160 [ 26.543999][ C1] ? __run_timers+0xaa0/0xaa0 [ 26.544000][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.544003][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.544004][ C1] handle_softirqs+0x1d3/0x900 [ 26.544006][ C1] ? __lock_release.isra.0+0x69/0x1a0 [ 26.544008][ C1] ? _local_bh_enable+0xc0/0xc0 [ 26.544010][ C1] __irq_exit_rcu+0x145/0x1c0 [ 26.544011][ C1] irq_exit_rcu+0xe/0x30 [ 26.544013][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.544014][ C1] [ 26.544015][ C1] [ 26.544015][ C1] ? lockdep_hardirqs_on+0x91/0x130 [ 26.544017][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.544019][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.544021][ C1] 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 [ 26.544023][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282 [ 26.544025][ C1] RAX: 000000000008ec57 RBX: ff11000001bea380 RCX: ffffffff894f0307 [ 26.544026][ C1] RDX: ff11000001bea380 RSI: ffffffff8c238b1c RDI: ffffffff8bc8d8e0 [ 26.544027][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.544028][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3 [ 26.544029][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.544031][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.544033][ C1] default_idle+0x9/0x10 [ 26.544035][ C1] default_idle_call+0x6e/0xb0 [ 26.544036][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.544038][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 26.544039][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 26.544041][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 26.544042][ C1] ? rcu_is_watching+0x16/0xd0 [ 26.544044][ C1] do_idle+0xd8/0x190 [ 26.544046][ C1] cpu_startup_entry+0x53/0x70 [ 26.544047][ C1] start_secondary+0x204/0x2b0 [ 26.544048][ C1] ? set_cpu_sibling_map+0x2130/0x2130 [ 26.544050][ C1] common_startup_64+0x13e/0x148 [ 26.544053][ C1] [ 37.815763][ T348] br0: port 2(veth2) entered disabled state [ 37.815779][ T348] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 37.815782][ T348] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 348, name: ip [ 37.815784][ T348] preempt_count: 202, expected: 0 [ 37.815785][ T348] RCU nest depth: 0, expected: 0 [ 37.815785][ T348] INFO: lockdep is turned off. [ 37.815787][ T348] irq event stamp: 0 [ 37.815788][ T348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.815793][ T348] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 37.815799][ T348] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 37.815801][ T348] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.815802][ T348] Preemption disabled at: [ 37.815803][ T348] [<0000000000000000>] 0x0 [ 37.815808][ T348] CPU: 0 UID: 0 PID: 348 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 37.815812][ T348] Tainted: [W]=WARN [ 37.815813][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.815814][ T348] Call Trace: [ 37.815816][ T348] [ 37.815817][ T348] dump_stack_lvl+0x6f/0xa0 [ 37.815823][ T348] __might_resched.cold+0x1fe/0x2c1 [ 37.815827][ T348] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 37.815830][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815834][ T348] __kmalloc_noprof+0x443/0x760 [ 37.815838][ T348] ? __rwlock_init+0x150/0x150 [ 37.815841][ T348] ? alloc_buf.isra.0+0x4b/0x260 [ 37.815845][ T348] ? do_raw_spin_unlock+0x59/0x250 [ 37.815847][ T348] alloc_buf.isra.0+0x4b/0x260 [ 37.815849][ T348] put_chars+0x1e1/0x2f0 [ 37.815851][ T348] ? __send_to_port+0x420/0x420 [ 37.815853][ T348] ? printk_get_next_message+0x240/0x650 [ 37.815856][ T348] hvc_console_print+0x292/0x780 [ 37.815860][ T348] ? hvc_write+0x3a0/0x3a0 [ 37.815862][ T348] ? __rwlock_init+0x150/0x150 [ 37.815863][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815865][ T348] ? lock_acquire+0x13c/0x160 [ 37.815867][ T348] console_emit_next_record+0x22f/0x4c0 [ 37.815870][ T348] ? devkmsg_read+0x4b0/0x4b0 [ 37.815872][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815873][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815875][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815877][ T348] ? lock_acquire+0x13c/0x160 [ 37.815878][ T348] ? console_flush_one_record+0x111/0x710 [ 37.815880][ T348] console_flush_one_record+0x46f/0x710 [ 37.815883][ T348] ? console_emit_next_record+0x4c0/0x4c0 [ 37.815886][ T348] console_unlock+0xee/0x1f0 [ 37.815889][ T348] ? lock_acquire+0x13c/0x160 [ 37.815891][ T348] ? console_flush_one_record+0x710/0x710 [ 37.815893][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815896][ T348] ? lock_release+0x184/0x1f0 [ 37.815898][ T348] ? lock_acquire+0x60/0x160 [ 37.815899][ T348] ? __rcu_read_lock+0x30/0x70 [ 37.815902][ T348] ? __down_trylock_console_sem+0x5e/0xa0 [ 37.815903][ T348] ? vprintk_emit+0x320/0x3e0 [ 37.815905][ T348] vprintk_emit+0x37c/0x3e0 [ 37.815908][ T348] ? wake_up_klogd_work_func+0x90/0x90 [ 37.815910][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815911][ T348] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 37.815914][ T348] ? trace_hardirqs_on+0x36/0x40 [ 37.815916][ T348] _printk+0xc7/0x100 [ 37.815919][ T348] ? snapshot_read.cold+0x21/0x21 [ 37.815922][ T348] ? ipv6_mc_down+0x17e/0x2d0 [ 37.815926][ T348] br_set_state+0x22f/0x430 [bridge] [ 37.815939][ T348] br_stp_disable_port+0x11f/0x390 [bridge] [ 37.815947][ T348] br_device_event+0x7b5/0x8f0 [bridge] [ 37.815956][ T348] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 37.815959][ T348] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 37.815962][ T348] ? addrconf_notify+0x2c8/0xf30 [ 37.815965][ T348] notifier_call_chain+0xae/0x300 [ 37.815968][ T348] __dev_notify_flags+0x23c/0x3c0 [ 37.815972][ T348] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 37.815974][ T348] ? netif_change_name+0x8c0/0x8c0 [ 37.815976][ T348] ? netif_set_allmulti+0x250/0x250 [ 37.815978][ T348] ? __kernel_text_address+0x12/0x30 [ 37.815980][ T348] ? write_profile+0xf0/0xf0 [ 37.815982][ T348] ? unwind_get_return_address+0x67/0xd0 [ 37.815986][ T348] netif_change_flags+0xfe/0x190 [ 37.815988][ T348] do_setlink.isra.0+0x1cc3/0x2750 [ 37.815991][ T348] ? stack_trace_save+0x93/0xc0 [ 37.815992][ T348] ? rtnl_link_get_size+0x350/0x350 [ 37.815993][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.815995][ T348] ? stack_depot_save_flags+0x1bc/0x790 [ 37.815999][ T348] ? kasan_save_stack+0x3d/0x50 [ 37.816002][ T348] ? kasan_save_stack+0x2f/0x50 [ 37.816003][ T348] ? kasan_save_track+0x14/0x30 [ 37.816005][ T348] ? __kasan_kmalloc+0x7b/0x90 [ 37.816006][ T348] ? __kmalloc_cache_noprof+0x29a/0x620 [ 37.816008][ T348] ? rtnl_newlink+0x124/0x11c0 [ 37.816009][ T348] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.816010][ T348] ? netlink_rcv_skb+0x14e/0x3a0 [ 37.816013][ T348] ? netlink_unicast+0x486/0x750 [ 37.816014][ T348] ? netlink_sendmsg+0x735/0xc60 [ 37.816015][ T348] ? ____sys_sendmsg+0x415/0x880 [ 37.816018][ T348] ? ___sys_sendmsg+0x14e/0x1d0 [ 37.816019][ T348] ? __sys_sendmsg+0x12c/0x1d0 [ 37.816021][ T348] ? do_syscall_64+0xff/0x530 [ 37.816023][ T348] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.816025][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816027][ T348] ? lock_acquire+0x13c/0x160 [ 37.816029][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816030][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816032][ T348] ? trace_contention_end+0xb3/0x180 [ 37.816035][ T348] ? __mutex_lock+0x1db/0x1ea0 [ 37.816037][ T348] ? __mutex_lock+0x9a3/0x1ea0 [ 37.816038][ T348] ? rtnl_newlink+0x9a8/0x11c0 [ 37.816039][ T348] ? ww_mutex_lock+0x160/0x160 [ 37.816042][ T348] ? __rtnl_newlink+0x3fa/0xa50 [ 37.816044][ T348] rtnl_newlink+0x9f1/0x11c0 [ 37.816046][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816048][ T348] ? rtnl_bridge_getlink+0x850/0x850 [ 37.816049][ T348] ? lock_acquire+0x13c/0x160 [ 37.816050][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816052][ T348] ? is_bpf_text_address+0x3e/0x110 [ 37.816055][ T348] ? is_bpf_text_address+0x72/0x110 [ 37.816057][ T348] ? kernel_text_address+0x149/0x170 [ 37.816059][ T348] ? __kernel_text_address+0x12/0x30 [ 37.816060][ T348] ? write_profile+0xf0/0xf0 [ 37.816061][ T348] ? unwind_get_return_address+0x67/0xd0 [ 37.816062][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816064][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816066][ T348] ? cap_capable+0x1d7/0x3d0 [ 37.816069][ T348] ? lock_acquire+0x13c/0x160 [ 37.816071][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816073][ T348] ? rtnl_bridge_getlink+0x850/0x850 [ 37.816074][ T348] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.816076][ T348] ? rtnl_link_fill+0x920/0x920 [ 37.816077][ T348] ? filter_irq_stacks+0xd0/0xd0 [ 37.816078][ T348] ? stack_depot_save_flags+0x1bc/0x790 [ 37.816081][ T348] netlink_rcv_skb+0x14e/0x3a0 [ 37.816082][ T348] ? rtnl_link_fill+0x920/0x920 [ 37.816084][ T348] ? lock_release+0x184/0x1f0 [ 37.816085][ T348] ? netlink_ack+0xcf0/0xcf0 [ 37.816087][ T348] ? __netlink_lookup+0xb9/0x6b0 [ 37.816089][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816091][ T348] ? lock_release+0x184/0x1f0 [ 37.816093][ T348] netlink_unicast+0x486/0x750 [ 37.816095][ T348] ? netlink_attachskb+0x810/0x810 [ 37.816096][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816098][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816100][ T348] ? lock_acquire+0x13c/0x160 [ 37.816102][ T348] netlink_sendmsg+0x735/0xc60 [ 37.816103][ T348] ? netlink_unicast+0x750/0x750 [ 37.816105][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816107][ T348] ? lock_release+0x184/0x1f0 [ 37.816109][ T348] ____sys_sendmsg+0x415/0x880 [ 37.816111][ T348] ? copy_msghdr_from_user+0x279/0x420 [ 37.816112][ T348] ? get_timestamp.constprop.0+0x390/0x390 [ 37.816114][ T348] ? move_addr_to_kernel+0x40/0x40 [ 37.816115][ T348] ? filter_irq_stacks+0xd0/0xd0 [ 37.816118][ T348] ___sys_sendmsg+0x14e/0x1d0 [ 37.816119][ T348] ? copy_msghdr_from_user+0x420/0x420 [ 37.816124][ T348] __sys_sendmsg+0x12c/0x1d0 [ 37.816126][ T348] ? __sys_sendmsg_sock+0x20/0x20 [ 37.816129][ T348] ? rcu_is_watching+0x16/0xd0 [ 37.816131][ T348] do_syscall_64+0xff/0x530 [ 37.816133][ T348] ? exc_page_fault+0xee/0x100 [ 37.816135][ T348] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.816136][ T348] RIP: 0033:0x7fdd2665d54e [ 37.816138][ 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 [ 37.816140][ T348] RSP: 002b:00007ffeabf4f2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.816143][ T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdd2665d54e [ 37.816145][ T348] RDX: 0000000000000000 RSI: 00007ffeabf4f3a0 RDI: 0000000000000005 [ 37.816145][ T348] RBP: 00007ffeabf4f300 R08: 0000000000000000 R09: 0000000000000000 [ 37.816146][ T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dadc [ 37.816147][ T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeabf4fa60 [ 37.816149][ T348] [ 37.843772][ T348] ip (348) used greatest stack depth: 23016 bytes left [ 37.862087][ T349] br0: port 1(veth1) entered disabled state [ 37.877141][ T350] veth2: left allmulticast mode [ 37.877307][ T350] veth2: left promiscuous mode [ 37.877505][ T350] br0: port 2(veth2) entered disabled state [ 37.878051][ T350] veth1: left allmulticast mode [ 37.878185][ T350] veth1: left promiscuous mode [ 37.879224][ T350] br0: port 1(veth1) entered disabled state