[ 10.201448][ T186] ip (186) used greatest stack depth: 24432 bytes left [ 10.201464][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.201466][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 10.201468][ T186] preempt_count: 2, expected: 0 [ 10.201468][ T186] RCU nest depth: 0, expected: 0 [ 10.201470][ T186] locks held by ip/186: 5, last CPU#2: [ 10.201472][ T186] #0: ffffffff94e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.201484][ T186] #1: ffffffff94f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.201490][ T186] #2: ffffffff94f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.201493][ T186] #3: ffffffff94e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.201497][ T186] #4: ffffffff94e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.201501][ T186] irq event stamp: 44638 [ 10.201502][ T186] hardirqs last enabled at (44637): [] __down_trylock_console_sem+0x86/0xa0 [ 10.201504][ T186] hardirqs last disabled at (44638): [] console_emit_next_record+0x3d4/0x4c0 [ 10.201506][ T186] softirqs last enabled at (43354): [] netlink_release+0x17b/0xcf0 [ 10.201510][ T186] softirqs last disabled at (43352): [] netlink_release+0xd2/0xcf0 [ 10.201512][ T186] Preemption disabled at: [ 10.201512][ T186] [<0000000000000000>] 0x0 [ 10.201519][ T186] CPU: 2 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.201522][ T186] Tainted: [W]=WARN [ 10.201523][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.201525][ T186] Call Trace: [ 10.201526][ T186] [ 10.201528][ T186] dump_stack_lvl+0x6f/0xa0 [ 10.201534][ T186] __might_resched.cold+0x1fe/0x2c1 [ 10.201538][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.201542][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 10.201548][ T186] __kmalloc_noprof+0x443/0x760 [ 10.201550][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 10.201555][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 10.201558][ T186] alloc_buf.isra.0+0x4b/0x260 [ 10.201561][ T186] put_chars+0x1e1/0x2f0 [ 10.201564][ T186] ? __send_to_port+0x420/0x420 [ 10.201565][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.201570][ T186] ? validate_chain+0x38b/0xc20 [ 10.201577][ T186] hvc_console_print+0x292/0x780 [ 10.201583][ T186] ? hvc_write+0x3a0/0x3a0 [ 10.201585][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.201587][ T186] ? lock_acquire+0x13c/0x160 [ 10.201591][ T186] console_emit_next_record+0x22f/0x4c0 [ 10.201595][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 10.201597][ T186] ? console_flush_one_record+0x106/0x710 [ 10.201600][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.201602][ T186] ? lock_acquire+0x13c/0x160 [ 10.201606][ T186] console_flush_one_record+0x46f/0x710 [ 10.201610][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 10.201612][ T186] ? __lock_acquire+0x518/0xc20 [ 10.201617][ T186] console_unlock+0xee/0x1f0 [ 10.201619][ T186] ? console_flush_one_record+0x710/0x710 [ 10.201621][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.201623][ T186] ? lock_acquire+0x60/0x160 [ 10.201627][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.201628][ T186] ? vprintk_emit+0x320/0x3e0 [ 10.201632][ T186] vprintk_emit+0x37c/0x3e0 [ 10.201635][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 10.201639][ T186] ? __lock_acquire+0x518/0xc20 [ 10.201642][ T186] _printk+0xc7/0x100 [ 10.201646][ T186] ? snapshot_read.cold+0x21/0x21 [ 10.201649][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.201651][ T186] ? __rwlock_init+0x150/0x150 [ 10.201655][ T186] ? do_raw_spin_lock+0x131/0x280 [ 10.201658][ T186] do_exit.cold+0x82/0x9c [ 10.201661][ T186] ? exit_notify+0x890/0x890 [ 10.201663][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 10.201666][ T186] ? rcu_is_watching+0x16/0xd0 [ 10.201670][ T186] do_group_exit+0xb8/0x370 [ 10.201672][ T186] __x64_sys_exit_group+0x3c/0x50 [ 10.201674][ T186] x64_sys_call+0x1567/0x1570 [ 10.201676][ T186] do_syscall_64+0xff/0x530 [ 10.201679][ T186] ? exc_page_fault+0xee/0x100 [ 10.201682][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.201684][ T186] RIP: 0033:0x7f5535bb01b8 [ 10.201687][ T186] Code: Unable to access opcode bytes at 0x7f5535bb018e. [ 10.201688][ T186] RSP: 002b:00007ffcba9fb3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.201690][ T186] RAX: ffffffffffffffda RBX: 00007f5535ce0f88 RCX: 00007f5535bb01b8 [ 10.201691][ T186] RDX: 00007f55358fafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.201692][ T186] RBP: 00007ffcba9fb420 R08: 0000000000000000 R09: 0000000000008010 [ 10.201693][ T186] R10: 00007ffcba9fb1e0 R11: 0000000000000246 R12: 0000000000000001 [ 10.201694][ T186] R13: 0000000000000000 R14: 00007f5535cdf680 R15: 00007f5535ce0fa0 [ 10.201700][ T186] [ 11.095321][ T229] 8021q: 802.1Q VLAN Support v1.8 [ 12.076420][ T266] br0: port 1(veth1) entered blocking state [ 12.076499][ T266] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.076501][ T266] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 266, name: ip [ 12.076502][ T266] preempt_count: 1, expected: 0 [ 12.076503][ T266] RCU nest depth: 0, expected: 0 [ 12.076504][ T266] locks held by ip/266: 5, last CPU#2: [ 12.076507][ T266] #0: ffffffff956d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 12.076518][ T266] #1: ffffffff94f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.076524][ T266] #2: ffffffff94f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.076528][ T266] #3: ffffffff94e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.076532][ T266] #4: ffffffff94e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.076535][ T266] irq event stamp: 13206 [ 12.076536][ T266] hardirqs last enabled at (13205): [] __down_trylock_console_sem+0x86/0xa0 [ 12.076539][ T266] hardirqs last disabled at (13206): [] console_emit_next_record+0x3d4/0x4c0 [ 12.076541][ T266] softirqs last enabled at (13116): [] __alloc_skb+0x4c2/0x5f0 [ 12.076544][ T266] softirqs last disabled at (13114): [] __alloc_skb+0x4c2/0x5f0 [ 12.076546][ T266] Preemption disabled at: [ 12.076547][ T266] [] vprintk_emit+0x31b/0x3e0 [ 12.076552][ T266] CPU: 2 UID: 0 PID: 266 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.076556][ T266] Tainted: [W]=WARN [ 12.076557][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.076558][ T266] Call Trace: [ 12.076560][ T266] [ 12.076562][ T266] dump_stack_lvl+0x6f/0xa0 [ 12.076567][ T266] ? vprintk_emit+0x31b/0x3e0 [ 12.076569][ T266] __might_resched.cold+0x1fe/0x2c1 [ 12.076574][ T266] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.076579][ T266] ? __kmalloc_noprof+0xdb/0x760 [ 12.076584][ T266] __kmalloc_noprof+0x443/0x760 [ 12.076586][ T266] ? alloc_buf.isra.0+0x4b/0x260 [ 12.076591][ T266] ? do_raw_spin_unlock+0x59/0x250 [ 12.076594][ T266] alloc_buf.isra.0+0x4b/0x260 [ 12.076597][ T266] put_chars+0x1e1/0x2f0 [ 12.076600][ T266] ? __send_to_port+0x420/0x420 [ 12.076605][ T266] ? validate_chain+0x34a/0xc20 [ 12.076608][ T266] hvc_console_print+0x292/0x780 [ 12.076611][ T266] ? mark_usage+0x61/0x170 [ 12.076612][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076614][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076618][ T266] ? hvc_write+0x3a0/0x3a0 [ 12.076620][ T266] ? console_emit_next_record+0x1df/0x4c0 [ 12.076623][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076627][ T266] ? lock_acquire+0x13c/0x160 [ 12.076631][ T266] console_emit_next_record+0x22f/0x4c0 [ 12.076635][ T266] ? devkmsg_read+0x4b0/0x4b0 [ 12.076636][ T266] ? console_flush_one_record+0x106/0x710 [ 12.076639][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076642][ T266] ? lock_acquire+0x13c/0x160 [ 12.076646][ T266] console_flush_one_record+0x46f/0x710 [ 12.076650][ T266] ? console_emit_next_record+0x4c0/0x4c0 [ 12.076651][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076657][ T266] console_unlock+0xee/0x1f0 [ 12.076659][ T266] ? console_flush_one_record+0x710/0x710 [ 12.076661][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076663][ T266] ? lock_acquire+0x60/0x160 [ 12.076667][ T266] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.076669][ T266] ? vprintk_emit+0x320/0x3e0 [ 12.076672][ T266] vprintk_emit+0x37c/0x3e0 [ 12.076676][ T266] ? wake_up_klogd_work_func+0x90/0x90 [ 12.076678][ T266] ? __lock_release.isra.0+0x69/0x1a0 [ 12.076680][ T266] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.076684][ T266] ? mark_held_locks+0x40/0x70 [ 12.076687][ T266] _printk+0xc7/0x100 [ 12.076691][ T266] ? snapshot_read.cold+0x21/0x21 [ 12.076695][ T266] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 12.076712][ T266] ? do_setlink.isra.0+0xa31/0x2750 [ 12.076713][ T266] ? rtnl_newlink+0x9f1/0x11c0 [ 12.076714][ T266] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.076719][ T266] br_set_state+0x22f/0x430 [bridge] [ 12.076728][ T266] br_init_port+0xc4/0x200 [bridge] [ 12.076737][ T266] new_nbp+0x39c/0x580 [bridge] [ 12.076746][ T266] br_add_if+0x212/0x1320 [bridge] [ 12.076754][ T266] ? is_bpf_text_address+0x72/0x110 [ 12.076758][ T266] ? kernel_text_address+0x149/0x170 [ 12.076760][ T266] ? __kernel_text_address+0x12/0x30 [ 12.076764][ T266] do_set_master+0x357/0x580 [ 12.076769][ T266] do_setlink.isra.0+0xa31/0x2750 [ 12.076772][ T266] ? stack_trace_save+0x93/0xc0 [ 12.076775][ T266] ? rtnl_link_get_size+0x350/0x350 [ 12.076776][ T266] ? rcu_read_lock_any_held+0x66/0x90 [ 12.076778][ T266] ? stack_depot_save_flags+0x38e/0x790 [ 12.076782][ T266] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.076784][ T266] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.076786][ T266] ? validate_chain+0x38b/0xc20 [ 12.076789][ T266] ? kasan_save_stack+0x3d/0x50 [ 12.076792][ T266] ? kasan_save_stack+0x2f/0x50 [ 12.076793][ T266] ? kasan_save_track+0x14/0x30 [ 12.076796][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076798][ T266] ? netlink_seq_next+0x4e/0x60 [ 12.076800][ T266] ? ___sys_sendmsg+0xb0/0x1d0 [ 12.076805][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 12.076807][ T266] ? rtnl_newlink+0x9a8/0x11c0 [ 12.076809][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076811][ T266] ? lock_acquire+0x13c/0x160 [ 12.076813][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076815][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076817][ T266] ? trace_contention_end+0xb3/0x180 [ 12.076821][ T266] ? __mutex_lock+0x1db/0x1ea0 [ 12.076822][ T266] ? __mutex_lock+0x9a3/0x1ea0 [ 12.076824][ T266] ? rtnl_newlink+0x9a8/0x11c0 [ 12.076828][ T266] ? ww_mutex_lock+0x160/0x160 [ 12.076829][ T266] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.076834][ T266] ? __rtnl_newlink+0x3fa/0xa50 [ 12.076839][ T266] rtnl_newlink+0x9f1/0x11c0 [ 12.076844][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 12.076846][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076850][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 12.076852][ T266] ? find_held_lock+0x2b/0x80 [ 12.076854][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 12.076856][ T266] ? __lock_release.isra.0+0x69/0x1a0 [ 12.076860][ T266] ? rtnl_bridge_getlink+0x850/0x850 [ 12.076862][ T266] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.076865][ T266] ? rtnl_link_fill+0x920/0x920 [ 12.076866][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076870][ T266] ? lock_acquire.part.0+0xd4/0x280 [ 12.076872][ T266] ? find_held_lock+0x2b/0x80 [ 12.076875][ T266] netlink_rcv_skb+0x14e/0x3a0 [ 12.076877][ T266] ? rtnl_link_fill+0x920/0x920 [ 12.076880][ T266] ? netlink_ack+0xcf0/0xcf0 [ 12.076886][ T266] ? netlink_deliver_tap+0xc5/0x330 [ 12.076888][ T266] ? netlink_deliver_tap+0x13c/0x330 [ 12.076892][ T266] netlink_unicast+0x486/0x750 [ 12.076895][ T266] ? netlink_attachskb+0x810/0x810 [ 12.076898][ T266] ? __lock_acquire+0x518/0xc20 [ 12.076902][ T266] netlink_sendmsg+0x735/0xc60 [ 12.076905][ T266] ? netlink_unicast+0x750/0x750 [ 12.076909][ T266] ? __might_fault+0x97/0x140 [ 12.076914][ T266] ____sys_sendmsg+0x415/0x880 [ 12.076916][ T266] ? copy_msghdr_from_user+0x279/0x420 [ 12.076919][ T266] ? get_timestamp.constprop.0+0x390/0x390 [ 12.076920][ T266] ? move_addr_to_kernel+0x40/0x40 [ 12.076927][ T266] ___sys_sendmsg+0x14e/0x1d0 [ 12.076930][ T266] ? copy_msghdr_from_user+0x420/0x420 [ 12.076945][ T266] __sys_sendmsg+0x12c/0x1d0 [ 12.076948][ T266] ? __sys_sendmsg_sock+0x20/0x20 [ 12.076954][ T266] ? rcu_is_watching+0x16/0xd0 [ 12.076958][ T266] do_syscall_64+0xff/0x530 [ 12.076960][ T266] ? exc_page_fault+0xee/0x100 [ 12.076963][ T266] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.076965][ T266] RIP: 0033:0x7f2b732f854e [ 12.076969][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 12.076971][ T266] RSP: 002b:00007ffdb790ef20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.076973][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2b732f854e [ 12.076975][ T266] RDX: 0000000000000000 RSI: 00007ffdb790efd0 RDI: 0000000000000005 [ 12.076976][ T266] RBP: 00007ffdb790ef30 R08: 0000000000000000 R09: 0000000000000000 [ 12.076976][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910742 [ 12.076977][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb790f690 [ 12.076984][ T266] [ 12.124481][ T266] br0: port 1(veth1) entered disabled state [ 12.124926][ T266] veth1: entered allmulticast mode [ 12.126911][ T266] veth1: entered promiscuous mode [ 12.144097][ T266] ip (266) used greatest stack depth: 23336 bytes left [ 12.179367][ T37] br0: port 1(veth1) entered blocking state [ 12.180015][ T37] br0: port 1(veth1) entered forwarding state [ 12.254187][ T270] br0: port 2(veth2) entered blocking state [ 12.254566][ T270] br0: port 2(veth2) entered disabled state [ 12.254883][ T270] veth2: entered allmulticast mode [ 12.256466][ T270] veth2: entered promiscuous mode [ 12.282695][ T38] br0: port 2(veth2) entered blocking state [ 12.283005][ T38] br0: port 2(veth2) entered forwarding state [ 27.503366][ C0] [ 27.503381][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.503383][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 27.503385][ C0] preempt_count: 104, expected: 0 [ 27.503386][ C0] RCU nest depth: 0, expected: 0 [ 27.503387][ C0] INFO: lockdep is turned off. [ 27.503388][ C0] irq event stamp: 1031832 [ 27.503388][ C0] hardirqs last enabled at (1031832): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.503397][ C0] hardirqs last disabled at (1031831): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.503399][ C0] softirqs last enabled at (1031816): [] handle_softirqs+0x67c/0x900 [ 27.503403][ C0] softirqs last disabled at (1031829): [] __irq_exit_rcu+0x145/0x1c0 [ 27.503405][ C0] Preemption disabled at: [ 27.503406][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 27.503411][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.503415][ C0] Tainted: [W]=WARN [ 27.503415][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.503417][ C0] Call Trace: [ 27.503419][ C0] [ 27.503420][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.503426][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 27.503427][ C0] __might_resched.cold+0x1fe/0x2c1 [ 27.503431][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.503434][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.503438][ C0] ? __asan_memcpy+0x3c/0x60 [ 27.503440][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503443][ C0] __kmalloc_noprof+0x443/0x760 [ 27.503445][ C0] ? __rwlock_init+0x150/0x150 [ 27.503448][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 27.503452][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 27.503453][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.503455][ C0] put_chars+0x1e1/0x2f0 [ 27.503457][ C0] ? __send_to_port+0x420/0x420 [ 27.503459][ C0] ? console_prepend_replay+0x20/0x20 [ 27.503462][ C0] hvc_console_print+0x292/0x780 [ 27.503465][ C0] ? hvc_write+0x3a0/0x3a0 [ 27.503467][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503469][ C0] ? lock_acquire+0x13c/0x160 [ 27.503471][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.503473][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 27.503476][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503477][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503479][ C0] ? lock_acquire+0x13c/0x160 [ 27.503481][ C0] ? console_flush_one_record+0x111/0x710 [ 27.503483][ C0] console_flush_one_record+0x46f/0x710 [ 27.503485][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 27.503488][ C0] console_unlock+0xee/0x1f0 [ 27.503490][ C0] ? lock_acquire+0x13c/0x160 [ 27.503491][ C0] ? console_flush_one_record+0x710/0x710 [ 27.503493][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503494][ C0] ? lock_release+0x184/0x1f0 [ 27.503496][ C0] ? lock_acquire+0x60/0x160 [ 27.503498][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.503500][ C0] ? vprintk_emit+0x320/0x3e0 [ 27.503502][ C0] vprintk_emit+0x37c/0x3e0 [ 27.503504][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 27.503506][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503508][ C0] ? lock_release+0x184/0x1f0 [ 27.503509][ C0] ? x86_64_start_kernel+0xe0/0x130 [ 27.503514][ C0] _printk+0xc7/0x100 [ 27.503517][ C0] ? snapshot_read.cold+0x21/0x21 [ 27.503519][ C0] ? arch_stack_walk+0xd7/0x130 [ 27.503523][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.503525][ C0] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.503527][ C0] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.503529][ C0] mark_lock_irq+0x989/0x9c0 [ 27.503532][ C0] mark_lock+0x1d7/0xa00 [ 27.503534][ C0] mark_usage+0x42/0x170 [ 27.503536][ C0] __lock_acquire+0x388/0xc20 [ 27.503538][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.503540][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.503552][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503554][ C0] ? lock_acquire+0x13c/0x160 [ 27.503556][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.503562][ C0] _raw_spin_lock+0x33/0x40 [ 27.503564][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.503570][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.503577][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.503583][ C0] call_timer_fn+0x160/0x4d0 [ 27.503587][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.503588][ C0] ? debug_object_active_state+0x430/0x430 [ 27.503592][ C0] ? find_held_lock+0x2b/0x80 [ 27.503594][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.503595][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503598][ C0] __run_timers+0x68f/0xaa0 [ 27.503599][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.503607][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.503609][ C0] ? __lock_acquire+0x518/0xc20 [ 27.503611][ C0] ? __rwlock_init+0x150/0x150 [ 27.503614][ C0] run_timer_softirq+0xf0/0x160 [ 27.503616][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.503617][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.503620][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503621][ C0] handle_softirqs+0x1d3/0x900 [ 27.503623][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.503625][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.503627][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.503628][ C0] irq_exit_rcu+0xe/0x30 [ 27.503630][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.503633][ C0] [ 27.503633][ C0] [ 27.503634][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.503636][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.503638][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.503640][ C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.503642][ C0] RSP: 0018:ffffffff94c07cf8 EFLAGS: 00000296 [ 27.503645][ C0] RAX: 00000000000fbe93 RBX: ffffffff94c1c600 RCX: ffffffff91cf0307 [ 27.503646][ C0] RDX: ffffffff94c1c600 RSI: ffffffff94a38b01 RDI: ffffffff9448d8e0 [ 27.503647][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.503648][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2980fa2 [ 27.503649][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.503651][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.503654][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.503655][ C0] default_idle+0x9/0x10 [ 27.503657][ C0] default_idle_call+0x6e/0xb0 [ 27.503659][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.503660][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.503662][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.503664][ C0] ? check_preemption_disabled+0xe0/0xe0 [ 27.503666][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.503668][ C0] do_idle+0xd8/0x190 [ 27.503670][ C0] cpu_startup_entry+0x53/0x70 [ 27.503671][ C0] rest_init+0x279/0x280 [ 27.503673][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.503676][ C0] ? rest_init+0x280/0x280 [ 27.503678][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.503681][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.503684][ C0] ? acpi_enable+0x1e4/0x330 [ 27.503687][ C0] start_kernel+0x3af/0x3b0 [ 27.503689][ C0] x86_64_start_reservations+0x24/0x30 [ 27.503691][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.503693][ C0] common_startup_64+0x13e/0x148 [ 27.503697][ C0] [ 27.530218][ C0] ======================================================== [ 27.530438][ C0] WARNING: possible irq lock inversion dependency detected [ 27.530711][ C0] 7.2.0-virtme #1 Tainted: G W [ 27.530901][ C0] -------------------------------------------------------- [ 27.531171][ C0] swapper/0/0 just changed the state of lock: [ 27.531409][ C0] ff1100000d57ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.531768][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.531989][ C0] (fs_reclaim){+.+.}-{0:0} [ 27.531992][ C0] [ 27.531992][ C0] [ 27.531992][ C0] and interrupts could create inverse lock ordering between them. [ 27.531992][ C0] [ 27.532638][ C0] [ 27.532638][ C0] other info that might help us debug this: [ 27.532915][ C0] Chain exists of: [ 27.532915][ C0] &br->lock --> console_owner --> fs_reclaim [ 27.532915][ C0] [ 27.533297][ C0] Possible interrupt unsafe locking scenario: [ 27.533297][ C0] [ 27.533570][ C0] CPU0 CPU1 [ 27.533719][ C0] ---- ---- [ 27.533953][ C0] lock(fs_reclaim); [ 27.534074][ C0] local_irq_disable(); [ 27.534331][ C0] lock(&br->lock); [ 27.534573][ C0] lock(console_owner); [ 27.534790][ C0] [ 27.534981][ C0] lock(&br->lock); [ 27.535104][ C0] [ 27.535104][ C0] *** DEADLOCK *** [ 27.535104][ C0] [ 27.535400][ C0] locks held by swapper/0/0: 1, last CPU#0: [ 27.535619][ C0] #0: ffa0000000007c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.536030][ C0] [ 27.536030][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 27.536411][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 27.536651][ C0] HARDIRQ-ON-W at: [ 27.536777][ C0] __lock_acquire+0x388/0xc20 [ 27.537031][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.537238][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.537508][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.537846][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.538083][ C0] workqueue_init+0x2a/0x680 [ 27.538326][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.538630][ C0] kernel_init+0x21/0x150 [ 27.538841][ C0] ret_from_fork+0x474/0x6b0 [ 27.539090][ C0] ret_from_fork_asm+0x11/0x20 [ 27.539334][ C0] SOFTIRQ-ON-W at: [ 27.539445][ C0] __lock_acquire+0x388/0xc20 [ 27.539685][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.539874][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.540115][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.540392][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.540618][ C0] workqueue_init+0x2a/0x680 [ 27.540861][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.541170][ C0] kernel_init+0x21/0x150 [ 27.541370][ C0] ret_from_fork+0x474/0x6b0 [ 27.541617][ C0] ret_from_fork_asm+0x11/0x20 [ 27.541873][ C0] INITIAL USE at: [ 27.541991][ C0] __lock_acquire+0x388/0xc20 [ 27.542268][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.542458][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.542731][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.543042][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.543267][ C0] workqueue_init+0x2a/0x680 [ 27.543511][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.543790][ C0] kernel_init+0x21/0x150 [ 27.543984][ C0] ret_from_fork+0x474/0x6b0 [ 27.544225][ C0] ret_from_fork_asm+0x11/0x20 [ 27.544490][ C0] } [ 27.544568][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.544861][ C0] ... acquired at: [ 27.544978][ C0] __lock_acquire+0x518/0xc20 [ 27.545130][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.545335][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.545482][ C0] __kmalloc_noprof+0xd3/0x760 [ 27.545688][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.545841][ C0] put_chars+0x1e1/0x2f0 [ 27.546042][ C0] hvc_console_print+0x292/0x780 [ 27.546190][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.546394][ C0] console_flush_one_record+0x46f/0x710 [ 27.546541][ C0] console_unlock+0xee/0x1f0 [ 27.546745][ C0] vprintk_emit+0x37c/0x3e0 [ 27.546892][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 27.547097][ C0] dev_printk_emit+0xb9/0xee [ 27.547243][ C0] _dev_info+0xe2/0x116 [ 27.547409][ C0] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 27.547594][ C0] cmos_do_probe+0x73b/0x98a [ 27.547841][ C0] platform_probe+0xfe/0x1f0 [ 27.547998][ C0] call_driver_probe+0x61/0x1c0 [ 27.548198][ C0] really_probe+0x199/0x760 [ 27.548346][ C0] __driver_probe_device+0x24f/0x440 [ 27.548547][ C0] driver_probe_device+0x4a/0xf0 [ 27.548695][ C0] __driver_attach+0x1b8/0x540 [ 27.548906][ C0] bus_for_each_dev+0x130/0x1e0 [ 27.549056][ C0] bus_add_driver+0x2c8/0x530 [ 27.549260][ C0] driver_register+0x1a3/0x390 [ 27.549407][ C0] __platform_driver_probe+0x13f/0x270 [ 27.549614][ C0] cmos_init+0x31/0x40 [ 27.549733][ C0] do_one_initcall+0x124/0x4f0 [ 27.549939][ C0] kernel_init_freeable+0x596/0x630 [ 27.550092][ C0] kernel_init+0x21/0x150 [ 27.550322][ C0] ret_from_fork+0x474/0x6b0 [ 27.550492][ C0] ret_from_fork_asm+0x11/0x20 [ 27.550741][ C0] [ 27.550830][ C0] -> (console_owner){....}-{0:0} { [ 27.551062][ C0] INITIAL USE at: [ 27.551181][ C0] } [ 27.551256][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.551564][ C0] ... acquired at: [ 27.551692][ C0] __lock_acquire+0x518/0xc20 [ 27.551939][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.552109][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.552350][ C0] console_emit_next_record+0x1d1/0x4c0 [ 27.552525][ C0] console_flush_one_record+0x46f/0x710 [ 27.552780][ C0] console_unlock+0xee/0x1f0 [ 27.552963][ C0] vprintk_emit+0x37c/0x3e0 [ 27.553198][ C0] _printk+0xc7/0x100 [ 27.553333][ C0] br_set_state+0x22f/0x430 [bridge] [ 27.553578][ C0] br_init_port+0xc4/0x200 [bridge] [ 27.553759][ C0] br_stp_enable_port+0x12/0x50 [bridge] [ 27.554037][ C0] br_port_carrier_check+0x220/0x430 [bridge] [ 27.554290][ C0] br_device_event+0x52d/0x8f0 [bridge] [ 27.554444][ C0] notifier_call_chain+0xae/0x300 [ 27.554651][ C0] netif_state_change+0x139/0x340 [ 27.554814][ C0] __linkwatch_run_queue+0x34c/0x750 [ 27.555017][ C0] linkwatch_event+0x7f/0xb0 [ 27.555164][ C0] process_one_work+0xe3e/0x1560 [ 27.555365][ C0] worker_thread+0x4f1/0xd60 [ 27.555513][ C0] kthread+0x367/0x460 [ 27.555624][ C0] ret_from_fork+0x474/0x6b0 [ 27.555830][ C0] ret_from_fork_asm+0x11/0x20 [ 27.555981][ C0] [ 27.556109][ C0] -> (&br->lock){+.-.}-{3:3} { [ 27.556259][ C0] HARDIRQ-ON-W at: [ 27.556422][ C0] __lock_acquire+0x388/0xc20 [ 27.556608][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.556853][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.557039][ C0] br_stp_enable_bridge+0x23/0x340 [bridge] [ 27.557321][ C0] br_dev_open+0x94/0x120 [bridge] [ 27.557571][ C0] __dev_open+0x2f3/0x610 [ 27.557766][ C0] __dev_change_flags+0x4a4/0x660 [ 27.558013][ C0] netif_change_flags+0x87/0x190 [ 27.558306][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 27.558536][ C0] rtnl_newlink+0x9f1/0x11c0 [ 27.558793][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.559057][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.559271][ C0] netlink_unicast+0x486/0x750 [ 27.559511][ C0] netlink_sendmsg+0x735/0xc60 [ 27.559704][ C0] ____sys_sendmsg+0x415/0x880 [ 27.559962][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.560207][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.560392][ C0] do_syscall_64+0xff/0x530 [ 27.560634][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.560928][ C0] IN-SOFTIRQ-W at: [ 27.561041][ C0] __lock_acquire+0x388/0xc20 [ 27.561287][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.561479][ C0] _raw_spin_lock+0x33/0x40 [ 27.561761][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.562064][ C0] call_timer_fn+0x160/0x4d0 [ 27.562286][ C0] __run_timers+0x68f/0xaa0 [ 27.562582][ C0] run_timer_softirq+0xf0/0x160 [ 27.562862][ C0] handle_softirqs+0x1d3/0x900 [ 27.563097][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.563393][ C0] irq_exit_rcu+0xe/0x30 [ 27.563627][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.563927][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.564272][ C0] pv_native_safe_halt+0xf/0x10 [ 27.564560][ C0] default_idle+0x9/0x10 [ 27.564761][ C0] default_idle_call+0x6e/0xb0 [ 27.565018][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.565342][ C0] do_idle+0xd8/0x190 [ 27.565509][ C0] cpu_startup_entry+0x53/0x70 [ 27.565762][ C0] rest_init+0x279/0x280 [ 27.565986][ C0] start_kernel+0x3af/0x3b0 [ 27.566273][ C0] x86_64_start_reservations+0x24/0x30 [ 27.566547][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.566743][ C0] common_startup_64+0x13e/0x148 [ 27.567016][ C0] INITIAL USE at: [ 27.567132][ C0] __lock_acquire+0x388/0xc20 [ 27.567382][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.567570][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.567821][ C0] br_stp_enable_bridge+0x23/0x340 [bridge] [ 27.568110][ C0] br_dev_open+0x94/0x120 [bridge] [ 27.568306][ C0] __dev_open+0x2f3/0x610 [ 27.568493][ C0] __dev_change_flags+0x4a4/0x660 [ 27.568737][ C0] netif_change_flags+0x87/0x190 [ 27.568923][ C0] do_setlink.isra.0+0x1cc3/0x2750 [ 27.569165][ C0] rtnl_newlink+0x9f1/0x11c0 [ 27.569350][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.569536][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.569780][ C0] netlink_unicast+0x486/0x750 [ 27.569970][ C0] netlink_sendmsg+0x735/0xc60 [ 27.570213][ C0] ____sys_sendmsg+0x415/0x880 [ 27.570508][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.570728][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.571025][ C0] do_syscall_64+0xff/0x530 [ 27.571270][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.571498][ C0] } [ 27.571640][ C0] ... key at: [] __key.7+0x0/0x40 [bridge] [ 27.571917][ C0] ... acquired at: [ 27.572089][ C0] mark_lock+0x1d7/0xa00 [ 27.572275][ C0] mark_usage+0x42/0x170 [ 27.572507][ C0] __lock_acquire+0x388/0xc20 [ 27.572679][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.572924][ C0] _raw_spin_lock+0x33/0x40 [ 27.573095][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.573391][ C0] call_timer_fn+0x160/0x4d0 [ 27.573591][ C0] __run_timers+0x68f/0xaa0 [ 27.573807][ C0] run_timer_softirq+0xf0/0x160 [ 27.573959][ C0] handle_softirqs+0x1d3/0x900 [ 27.574165][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.574315][ C0] irq_exit_rcu+0xe/0x30 [ 27.574522][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.574707][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.574957][ C0] pv_native_safe_halt+0xf/0x10 [ 27.575160][ C0] default_idle+0x9/0x10 [ 27.575314][ C0] default_idle_call+0x6e/0xb0 [ 27.575515][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.575702][ C0] do_idle+0xd8/0x190 [ 27.575876][ C0] cpu_startup_entry+0x53/0x70 [ 27.576028][ C0] rest_init+0x279/0x280 [ 27.576229][ C0] start_kernel+0x3af/0x3b0 [ 27.576422][ C0] x86_64_start_reservations+0x24/0x30 [ 27.576646][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.576820][ C0] common_startup_64+0x13e/0x148 [ 27.577026][ C0] [ 27.577100][ C0] [ 27.577100][ C0] stack backtrace: [ 27.577289][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.577292][ C0] Tainted: [W]=WARN [ 27.577293][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.577294][ C0] Call Trace: [ 27.577295][ C0] [ 27.577295][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.577299][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.577301][ C0] mark_lock_irq+0x989/0x9c0 [ 27.577304][ C0] mark_lock+0x1d7/0xa00 [ 27.577306][ C0] mark_usage+0x42/0x170 [ 27.577308][ C0] __lock_acquire+0x388/0xc20 [ 27.577310][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.577312][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.577319][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.577322][ C0] ? lock_acquire+0x13c/0x160 [ 27.577323][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.577330][ C0] _raw_spin_lock+0x33/0x40 [ 27.577331][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.577338][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 27.577349][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.577355][ C0] call_timer_fn+0x160/0x4d0 [ 27.577357][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.577359][ C0] ? debug_object_active_state+0x430/0x430 [ 27.577362][ C0] ? find_held_lock+0x2b/0x80 [ 27.577364][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.577365][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.577368][ C0] __run_timers+0x68f/0xaa0 [ 27.577370][ C0] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 27.577376][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.577378][ C0] ? __lock_acquire+0x518/0xc20 [ 27.577381][ C0] ? __rwlock_init+0x150/0x150 [ 27.577383][ C0] run_timer_softirq+0xf0/0x160 [ 27.577385][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.577387][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.577389][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.577391][ C0] handle_softirqs+0x1d3/0x900 [ 27.577393][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.577394][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.577396][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.577398][ C0] irq_exit_rcu+0xe/0x30 [ 27.577399][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.577401][ C0] [ 27.577402][ C0] [ 27.577402][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.577404][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.577405][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.577407][ C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.577409][ C0] RSP: 0018:ffffffff94c07cf8 EFLAGS: 00000296 [ 27.577410][ C0] RAX: 00000000000fbe93 RBX: ffffffff94c1c600 RCX: ffffffff91cf0307 [ 27.577412][ C0] RDX: ffffffff94c1c600 RSI: ffffffff94a38b01 RDI: ffffffff9448d8e0 [ 27.577412][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.577413][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2980fa2 [ 27.577414][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.577415][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.577417][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.577419][ C0] default_idle+0x9/0x10 [ 27.577421][ C0] default_idle_call+0x6e/0xb0 [ 27.577422][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.577424][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.577426][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.577428][ C0] ? check_preemption_disabled+0xe0/0xe0 [ 27.577430][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.577432][ C0] do_idle+0xd8/0x190 [ 27.577433][ C0] cpu_startup_entry+0x53/0x70 [ 27.577435][ C0] rest_init+0x279/0x280 [ 27.577437][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.577439][ C0] ? rest_init+0x280/0x280 [ 27.577441][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.577444][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.577447][ C0] ? acpi_enable+0x1e4/0x330 [ 27.577449][ C0] start_kernel+0x3af/0x3b0 [ 27.577451][ C0] x86_64_start_reservations+0x24/0x30 [ 27.577453][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.577454][ C0] common_startup_64+0x13e/0x148 [ 27.577457][ C0] [ 50.506629][ T2057] br0: port 2(veth2) entered disabled state [ 50.506644][ T2057] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 50.506647][ T2057] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2057, name: ip [ 50.506648][ T2057] preempt_count: 202, expected: 0 [ 50.506649][ T2057] RCU nest depth: 0, expected: 0 [ 50.506650][ T2057] INFO: lockdep is turned off. [ 50.506651][ T2057] irq event stamp: 0 [ 50.506652][ T2057] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.506656][ T2057] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 50.506663][ T2057] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 50.506664][ T2057] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.506666][ T2057] Preemption disabled at: [ 50.506666][ T2057] [<0000000000000000>] 0x0 [ 50.506671][ T2057] CPU: 2 UID: 0 PID: 2057 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 50.506674][ T2057] Tainted: [W]=WARN [ 50.506675][ T2057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.506677][ T2057] Call Trace: [ 50.506679][ T2057] [ 50.506680][ T2057] dump_stack_lvl+0x6f/0xa0 [ 50.506685][ T2057] __might_resched.cold+0x1fe/0x2c1 [ 50.506688][ T2057] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 50.506692][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506696][ T2057] __kmalloc_noprof+0x443/0x760 [ 50.506699][ T2057] ? __rwlock_init+0x150/0x150 [ 50.506702][ T2057] ? alloc_buf.isra.0+0x4b/0x260 [ 50.506705][ T2057] ? do_raw_spin_unlock+0x59/0x250 [ 50.506707][ T2057] alloc_buf.isra.0+0x4b/0x260 [ 50.506709][ T2057] put_chars+0x1e1/0x2f0 [ 50.506711][ T2057] ? __send_to_port+0x420/0x420 [ 50.506712][ T2057] ? printk_get_next_message+0x240/0x650 [ 50.506716][ T2057] hvc_console_print+0x292/0x780 [ 50.506719][ T2057] ? hvc_write+0x3a0/0x3a0 [ 50.506721][ T2057] ? __rwlock_init+0x150/0x150 [ 50.506722][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506724][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506726][ T2057] console_emit_next_record+0x22f/0x4c0 [ 50.506729][ T2057] ? devkmsg_read+0x4b0/0x4b0 [ 50.506730][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506732][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506734][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506735][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506737][ T2057] ? console_flush_one_record+0x111/0x710 [ 50.506739][ T2057] console_flush_one_record+0x46f/0x710 [ 50.506741][ T2057] ? console_emit_next_record+0x4c0/0x4c0 [ 50.506744][ T2057] console_unlock+0xee/0x1f0 [ 50.506746][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506753][ T2057] ? console_flush_one_record+0x710/0x710 [ 50.506755][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506756][ T2057] ? lock_release+0x184/0x1f0 [ 50.506758][ T2057] ? lock_acquire+0x60/0x160 [ 50.506759][ T2057] ? __rcu_read_lock+0x30/0x70 [ 50.506761][ T2057] ? __down_trylock_console_sem+0x5e/0xa0 [ 50.506763][ T2057] ? vprintk_emit+0x320/0x3e0 [ 50.506765][ T2057] vprintk_emit+0x37c/0x3e0 [ 50.506767][ T2057] ? wake_up_klogd_work_func+0x90/0x90 [ 50.506769][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506771][ T2057] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.506773][ T2057] ? trace_hardirqs_on+0x36/0x40 [ 50.506775][ T2057] _printk+0xc7/0x100 [ 50.506778][ T2057] ? snapshot_read.cold+0x21/0x21 [ 50.506780][ T2057] ? ipv6_mc_down+0x17e/0x2d0 [ 50.506784][ T2057] br_set_state+0x22f/0x430 [bridge] [ 50.506798][ T2057] br_stp_disable_port+0x11f/0x390 [bridge] [ 50.506809][ T2057] br_device_event+0x7b5/0x8f0 [bridge] [ 50.506819][ T2057] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 50.506822][ T2057] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 50.506824][ T2057] ? addrconf_notify+0x2c8/0xf30 [ 50.506828][ T2057] notifier_call_chain+0xae/0x300 [ 50.506831][ T2057] __dev_notify_flags+0x23c/0x3c0 [ 50.506834][ T2057] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 50.506836][ T2057] ? netif_change_name+0x8c0/0x8c0 [ 50.506838][ T2057] ? netif_set_allmulti+0x250/0x250 [ 50.506840][ T2057] ? __kernel_text_address+0x12/0x30 [ 50.506842][ T2057] ? write_profile+0xf0/0xf0 [ 50.506844][ T2057] ? unwind_get_return_address+0x67/0xd0 [ 50.506847][ T2057] netif_change_flags+0xfe/0x190 [ 50.506849][ T2057] do_setlink.isra.0+0x1cc3/0x2750 [ 50.506852][ T2057] ? stack_trace_save+0x93/0xc0 [ 50.506853][ T2057] ? rtnl_link_get_size+0x350/0x350 [ 50.506854][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506856][ T2057] ? stack_depot_save_flags+0x1bc/0x790 [ 50.506860][ T2057] ? kasan_save_stack+0x3d/0x50 [ 50.506863][ T2057] ? kasan_save_stack+0x2f/0x50 [ 50.506864][ T2057] ? kasan_save_track+0x14/0x30 [ 50.506866][ T2057] ? __kasan_kmalloc+0x7b/0x90 [ 50.506867][ T2057] ? __kmalloc_cache_noprof+0x29a/0x620 [ 50.506869][ T2057] ? rtnl_newlink+0x124/0x11c0 [ 50.506870][ T2057] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 50.506871][ T2057] ? netlink_rcv_skb+0x14e/0x3a0 [ 50.506874][ T2057] ? netlink_unicast+0x486/0x750 [ 50.506875][ T2057] ? netlink_sendmsg+0x735/0xc60 [ 50.506877][ T2057] ? ____sys_sendmsg+0x415/0x880 [ 50.506879][ T2057] ? ___sys_sendmsg+0x14e/0x1d0 [ 50.506880][ T2057] ? __sys_sendmsg+0x12c/0x1d0 [ 50.506882][ T2057] ? do_syscall_64+0xff/0x530 [ 50.506884][ T2057] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 50.506886][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506888][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506889][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506891][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506893][ T2057] ? trace_contention_end+0xb3/0x180 [ 50.506896][ T2057] ? __mutex_lock+0x1db/0x1ea0 [ 50.506897][ T2057] ? __mutex_lock+0x9a3/0x1ea0 [ 50.506898][ T2057] ? rtnl_newlink+0x9a8/0x11c0 [ 50.506900][ T2057] ? ww_mutex_lock+0x160/0x160 [ 50.506902][ T2057] ? __rtnl_newlink+0x3fa/0xa50 [ 50.506904][ T2057] rtnl_newlink+0x9f1/0x11c0 [ 50.506906][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506908][ T2057] ? rtnl_bridge_getlink+0x850/0x850 [ 50.506909][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506910][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506912][ T2057] ? is_bpf_text_address+0x3e/0x110 [ 50.506915][ T2057] ? is_bpf_text_address+0x72/0x110 [ 50.506917][ T2057] ? kernel_text_address+0x149/0x170 [ 50.506918][ T2057] ? __kernel_text_address+0x12/0x30 [ 50.506919][ T2057] ? write_profile+0xf0/0xf0 [ 50.506921][ T2057] ? unwind_get_return_address+0x67/0xd0 [ 50.506922][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506924][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506925][ T2057] ? cap_capable+0x1d7/0x3d0 [ 50.506929][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506930][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506932][ T2057] ? rtnl_bridge_getlink+0x850/0x850 [ 50.506933][ T2057] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 50.506935][ T2057] ? rtnl_link_fill+0x920/0x920 [ 50.506936][ T2057] ? filter_irq_stacks+0xd0/0xd0 [ 50.506937][ T2057] ? stack_depot_save_flags+0x1bc/0x790 [ 50.506940][ T2057] netlink_rcv_skb+0x14e/0x3a0 [ 50.506941][ T2057] ? rtnl_link_fill+0x920/0x920 [ 50.506942][ T2057] ? lock_release+0x184/0x1f0 [ 50.506944][ T2057] ? netlink_ack+0xcf0/0xcf0 [ 50.506945][ T2057] ? __netlink_lookup+0xb9/0x6b0 [ 50.506948][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506950][ T2057] ? lock_release+0x184/0x1f0 [ 50.506951][ T2057] netlink_unicast+0x486/0x750 [ 50.506953][ T2057] ? netlink_attachskb+0x810/0x810 [ 50.506955][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506957][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506958][ T2057] ? lock_acquire+0x13c/0x160 [ 50.506960][ T2057] netlink_sendmsg+0x735/0xc60 [ 50.506962][ T2057] ? netlink_unicast+0x750/0x750 [ 50.506964][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506965][ T2057] ? lock_release+0x184/0x1f0 [ 50.506967][ T2057] ____sys_sendmsg+0x415/0x880 [ 50.506969][ T2057] ? copy_msghdr_from_user+0x279/0x420 [ 50.506970][ T2057] ? get_timestamp.constprop.0+0x390/0x390 [ 50.506972][ T2057] ? move_addr_to_kernel+0x40/0x40 [ 50.506973][ T2057] ? filter_irq_stacks+0xd0/0xd0 [ 50.506976][ T2057] ___sys_sendmsg+0x14e/0x1d0 [ 50.506977][ T2057] ? copy_msghdr_from_user+0x420/0x420 [ 50.506982][ T2057] __sys_sendmsg+0x12c/0x1d0 [ 50.506984][ T2057] ? __sys_sendmsg_sock+0x20/0x20 [ 50.506987][ T2057] ? rcu_is_watching+0x16/0xd0 [ 50.506989][ T2057] do_syscall_64+0xff/0x530 [ 50.506990][ T2057] ? exc_page_fault+0xee/0x100 [ 50.506992][ T2057] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 50.506993][ T2057] RIP: 0033:0x7fcca58c054e [ 50.506995][ T2057] 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 [ 50.506997][ T2057] RSP: 002b:00007fffd9128030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 50.507001][ T2057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcca58c054e [ 50.507002][ T2057] RDX: 0000000000000000 RSI: 00007fffd91280e0 RDI: 0000000000000005 [ 50.507003][ T2057] RBP: 00007fffd9128040 R08: 0000000000000000 R09: 0000000000000000 [ 50.507004][ T2057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910768 [ 50.507005][ T2057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd91287a0 [ 50.507007][ T2057] [ 50.545614][ T2057] ip (2057) used greatest stack depth: 23016 bytes left [ 50.556373][ T2058] veth2: left allmulticast mode [ 50.556522][ T2058] veth2: left promiscuous mode [ 50.556711][ T2058] br0: port 2(veth2) entered disabled state [ 50.579122][ T2059] br0: port 1(veth1) entered disabled state [ 50.601667][ T2061] veth1: left allmulticast mode [ 50.601830][ T2061] veth1: left promiscuous mode [ 50.602022][ T2061] br0: port 1(veth1) entered disabled state [ 50.770026][ T2079] br0: port 1(veth1) entered blocking state [ 50.770255][ T2079] br0: port 1(veth1) entered disabled state [ 50.770465][ T2079] veth1: entered allmulticast mode [ 50.771358][ T2079] veth1: entered promiscuous mode [ 50.796491][ T2080] br0: port 1(veth1) entered blocking state [ 50.796745][ T2080] br0: port 1(veth1) entered forwarding state [ 50.870061][ T2084] br0: port 2(veth2) entered blocking state [ 50.870353][ T2084] br0: port 2(veth2) entered disabled state [ 50.870597][ T2084] veth2: entered allmulticast mode [ 50.871561][ T2084] veth2: entered promiscuous mode [ 50.897395][ T36] br0: port 2(veth2) entered blocking state [ 50.897619][ T36] br0: port 2(veth2) entered forwarding state [ 87.367948][ T3880] br0: port 2(veth2) entered disabled state [ 87.367965][ T3880] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 87.367967][ T3880] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 3880, name: ip [ 87.367968][ T3880] preempt_count: 202, expected: 0 [ 87.367969][ T3880] RCU nest depth: 0, expected: 0 [ 87.367970][ T3880] INFO: lockdep is turned off. [ 87.367971][ T3880] irq event stamp: 0 [ 87.367972][ T3880] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 87.367976][ T3880] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 87.367982][ T3880] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 87.367984][ T3880] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 87.367985][ T3880] Preemption disabled at: [ 87.367986][ T3880] [<0000000000000000>] 0x0 [ 87.367990][ T3880] CPU: 3 UID: 0 PID: 3880 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 87.367993][ T3880] Tainted: [W]=WARN [ 87.367994][ T3880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.367996][ T3880] Call Trace: [ 87.367997][ T3880] [ 87.367998][ T3880] dump_stack_lvl+0x6f/0xa0 [ 87.368004][ T3880] __might_resched.cold+0x1fe/0x2c1 [ 87.368007][ T3880] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 87.368010][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368014][ T3880] __kmalloc_noprof+0x443/0x760 [ 87.368017][ T3880] ? __rwlock_init+0x150/0x150 [ 87.368020][ T3880] ? alloc_buf.isra.0+0x4b/0x260 [ 87.368023][ T3880] ? do_raw_spin_unlock+0x59/0x250 [ 87.368025][ T3880] alloc_buf.isra.0+0x4b/0x260 [ 87.368027][ T3880] put_chars+0x1e1/0x2f0 [ 87.368028][ T3880] ? __send_to_port+0x420/0x420 [ 87.368030][ T3880] ? printk_get_next_message+0x240/0x650 [ 87.368033][ T3880] hvc_console_print+0x292/0x780 [ 87.368036][ T3880] ? hvc_write+0x3a0/0x3a0 [ 87.368038][ T3880] ? __rwlock_init+0x150/0x150 [ 87.368040][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368042][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368044][ T3880] console_emit_next_record+0x22f/0x4c0 [ 87.368046][ T3880] ? devkmsg_read+0x4b0/0x4b0 [ 87.368048][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368050][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368051][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368053][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368055][ T3880] ? console_flush_one_record+0x111/0x710 [ 87.368056][ T3880] console_flush_one_record+0x46f/0x710 [ 87.368058][ T3880] ? console_emit_next_record+0x4c0/0x4c0 [ 87.368061][ T3880] console_unlock+0xee/0x1f0 [ 87.368062][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368064][ T3880] ? console_flush_one_record+0x710/0x710 [ 87.368065][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368067][ T3880] ? lock_release+0x184/0x1f0 [ 87.368068][ T3880] ? lock_acquire+0x60/0x160 [ 87.368070][ T3880] ? __rcu_read_lock+0x30/0x70 [ 87.368072][ T3880] ? __down_trylock_console_sem+0x5e/0xa0 [ 87.368074][ T3880] ? vprintk_emit+0x320/0x3e0 [ 87.368075][ T3880] vprintk_emit+0x37c/0x3e0 [ 87.368078][ T3880] ? wake_up_klogd_work_func+0x90/0x90 [ 87.368079][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368081][ T3880] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 87.368083][ T3880] ? trace_hardirqs_on+0x36/0x40 [ 87.368085][ T3880] _printk+0xc7/0x100 [ 87.368088][ T3880] ? snapshot_read.cold+0x21/0x21 [ 87.368090][ T3880] ? ipv6_mc_down+0x17e/0x2d0 [ 87.368094][ T3880] br_set_state+0x22f/0x430 [bridge] [ 87.368107][ T3880] br_stp_disable_port+0x11f/0x390 [bridge] [ 87.368114][ T3880] br_device_event+0x7b5/0x8f0 [bridge] [ 87.368123][ T3880] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 87.368126][ T3880] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 87.368128][ T3880] ? addrconf_notify+0x2c8/0xf30 [ 87.368131][ T3880] notifier_call_chain+0xae/0x300 [ 87.368134][ T3880] __dev_notify_flags+0x23c/0x3c0 [ 87.368138][ T3880] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 87.368139][ T3880] ? netif_change_name+0x8c0/0x8c0 [ 87.368141][ T3880] ? netif_set_allmulti+0x250/0x250 [ 87.368143][ T3880] ? __kernel_text_address+0x12/0x30 [ 87.368145][ T3880] ? write_profile+0xf0/0xf0 [ 87.368148][ T3880] ? unwind_get_return_address+0x67/0xd0 [ 87.368151][ T3880] netif_change_flags+0xfe/0x190 [ 87.368153][ T3880] do_setlink.isra.0+0x1cc3/0x2750 [ 87.368155][ T3880] ? stack_trace_save+0x93/0xc0 [ 87.368157][ T3880] ? rtnl_link_get_size+0x350/0x350 [ 87.368158][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368159][ T3880] ? stack_depot_save_flags+0x1bc/0x790 [ 87.368163][ T3880] ? kasan_save_stack+0x3d/0x50 [ 87.368166][ T3880] ? kasan_save_stack+0x2f/0x50 [ 87.368167][ T3880] ? kasan_save_track+0x14/0x30 [ 87.368168][ T3880] ? __kasan_kmalloc+0x7b/0x90 [ 87.368170][ T3880] ? __kmalloc_cache_noprof+0x29a/0x620 [ 87.368171][ T3880] ? rtnl_newlink+0x124/0x11c0 [ 87.368172][ T3880] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 87.368174][ T3880] ? netlink_rcv_skb+0x14e/0x3a0 [ 87.368176][ T3880] ? netlink_unicast+0x486/0x750 [ 87.368178][ T3880] ? netlink_sendmsg+0x735/0xc60 [ 87.368179][ T3880] ? ____sys_sendmsg+0x415/0x880 [ 87.368181][ T3880] ? ___sys_sendmsg+0x14e/0x1d0 [ 87.368183][ T3880] ? __sys_sendmsg+0x12c/0x1d0 [ 87.368184][ T3880] ? do_syscall_64+0xff/0x530 [ 87.368186][ T3880] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 87.368189][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368190][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368192][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368193][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368195][ T3880] ? trace_contention_end+0xb3/0x180 [ 87.368198][ T3880] ? __mutex_lock+0x1db/0x1ea0 [ 87.368199][ T3880] ? __mutex_lock+0x9a3/0x1ea0 [ 87.368200][ T3880] ? rtnl_newlink+0x9a8/0x11c0 [ 87.368202][ T3880] ? ww_mutex_lock+0x160/0x160 [ 87.368204][ T3880] ? __rtnl_newlink+0x3fa/0xa50 [ 87.368206][ T3880] rtnl_newlink+0x9f1/0x11c0 [ 87.368208][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368209][ T3880] ? rtnl_bridge_getlink+0x850/0x850 [ 87.368211][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368212][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368214][ T3880] ? is_bpf_text_address+0x3e/0x110 [ 87.368217][ T3880] ? is_bpf_text_address+0x72/0x110 [ 87.368219][ T3880] ? kernel_text_address+0x149/0x170 [ 87.368220][ T3880] ? __kernel_text_address+0x12/0x30 [ 87.368221][ T3880] ? write_profile+0xf0/0xf0 [ 87.368222][ T3880] ? unwind_get_return_address+0x67/0xd0 [ 87.368223][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368225][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368227][ T3880] ? cap_capable+0x1d7/0x3d0 [ 87.368230][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368231][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368233][ T3880] ? rtnl_bridge_getlink+0x850/0x850 [ 87.368234][ T3880] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 87.368236][ T3880] ? rtnl_link_fill+0x920/0x920 [ 87.368237][ T3880] ? filter_irq_stacks+0xd0/0xd0 [ 87.368239][ T3880] ? stack_depot_save_flags+0x1bc/0x790 [ 87.368241][ T3880] netlink_rcv_skb+0x14e/0x3a0 [ 87.368243][ T3880] ? rtnl_link_fill+0x920/0x920 [ 87.368244][ T3880] ? lock_release+0x184/0x1f0 [ 87.368245][ T3880] ? netlink_ack+0xcf0/0xcf0 [ 87.368246][ T3880] ? __netlink_lookup+0xb9/0x6b0 [ 87.368249][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368250][ T3880] ? lock_release+0x184/0x1f0 [ 87.368252][ T3880] netlink_unicast+0x486/0x750 [ 87.368254][ T3880] ? netlink_attachskb+0x810/0x810 [ 87.368256][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368257][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368259][ T3880] ? lock_acquire+0x13c/0x160 [ 87.368261][ T3880] netlink_sendmsg+0x735/0xc60 [ 87.368262][ T3880] ? netlink_unicast+0x750/0x750 [ 87.368264][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368266][ T3880] ? lock_release+0x184/0x1f0 [ 87.368268][ T3880] ____sys_sendmsg+0x415/0x880 [ 87.368269][ T3880] ? copy_msghdr_from_user+0x279/0x420 [ 87.368271][ T3880] ? get_timestamp.constprop.0+0x390/0x390 [ 87.368272][ T3880] ? move_addr_to_kernel+0x40/0x40 [ 87.368273][ T3880] ? filter_irq_stacks+0xd0/0xd0 [ 87.368276][ T3880] ___sys_sendmsg+0x14e/0x1d0 [ 87.368277][ T3880] ? copy_msghdr_from_user+0x420/0x420 [ 87.368282][ T3880] __sys_sendmsg+0x12c/0x1d0 [ 87.368284][ T3880] ? __sys_sendmsg_sock+0x20/0x20 [ 87.368286][ T3880] ? rcu_is_watching+0x16/0xd0 [ 87.368288][ T3880] do_syscall_64+0xff/0x530 [ 87.368290][ T3880] ? exc_page_fault+0xee/0x100 [ 87.368292][ T3880] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 87.368293][ T3880] RIP: 0033:0x7f7e1ba2154e [ 87.368295][ T3880] 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 [ 87.368297][ T3880] RSP: 002b:00007ffc76341900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 87.368301][ T3880] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e1ba2154e [ 87.368302][ T3880] RDX: 0000000000000000 RSI: 00007ffc763419b0 RDI: 0000000000000005 [ 87.368303][ T3880] RBP: 00007ffc76341910 R08: 0000000000000000 R09: 0000000000000000 [ 87.368304][ T3880] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91078d [ 87.368305][ T3880] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc76342070 [ 87.368307][ T3880] [ 87.416574][ T3881] veth2: left allmulticast mode [ 87.416761][ T3881] veth2: left promiscuous mode [ 87.417028][ T3881] br0: port 2(veth2) entered disabled state [ 87.441143][ T3882] br0: port 1(veth1) entered disabled state [ 87.455951][ T3883] veth1: left allmulticast mode [ 87.456128][ T3883] veth1: left promiscuous mode [ 87.456391][ T3883] br0: port 1(veth1) entered disabled state [ 87.632029][ T3901] br0: port 1(veth1) entered blocking state [ 87.632232][ T3901] br0: port 1(veth1) entered disabled state [ 87.632427][ T3901] veth1: entered allmulticast mode [ 87.633249][ T3901] veth1: entered promiscuous mode [ 87.657337][ T3902] br0: port 1(veth1) entered blocking state [ 87.657538][ T3902] br0: port 1(veth1) entered forwarding state [ 87.728939][ T3906] br0: port 2(veth2) entered blocking state [ 87.729137][ T3906] br0: port 2(veth2) entered disabled state [ 87.729324][ T3906] veth2: entered allmulticast mode [ 87.730178][ T3906] veth2: entered promiscuous mode [ 87.744566][ T2060] br0: port 2(veth2) entered blocking state [ 87.744746][ T2060] br0: port 2(veth2) entered forwarding state [ 161.151886][ T7759] br0: port 2(veth2) entered disabled state [ 161.151903][ T7759] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 161.151906][ T7759] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 7759, name: ip [ 161.151907][ T7759] preempt_count: 202, expected: 0 [ 161.151908][ T7759] RCU nest depth: 0, expected: 0 [ 161.151909][ T7759] INFO: lockdep is turned off. [ 161.151910][ T7759] irq event stamp: 0 [ 161.151911][ T7759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 161.151916][ T7759] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 161.151922][ T7759] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 161.151923][ T7759] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 161.151925][ T7759] Preemption disabled at: [ 161.151925][ T7759] [<0000000000000000>] 0x0 [ 161.151930][ T7759] CPU: 3 UID: 0 PID: 7759 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 161.151934][ T7759] Tainted: [W]=WARN [ 161.151934][ T7759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.151936][ T7759] Call Trace: [ 161.151938][ T7759] [ 161.151939][ T7759] dump_stack_lvl+0x6f/0xa0 [ 161.151944][ T7759] __might_resched.cold+0x1fe/0x2c1 [ 161.151948][ T7759] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 161.151952][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.151956][ T7759] __kmalloc_noprof+0x443/0x760 [ 161.151959][ T7759] ? __rwlock_init+0x150/0x150 [ 161.151962][ T7759] ? alloc_buf.isra.0+0x4b/0x260 [ 161.151966][ T7759] ? do_raw_spin_unlock+0x59/0x250 [ 161.151967][ T7759] alloc_buf.isra.0+0x4b/0x260 [ 161.151969][ T7759] put_chars+0x1e1/0x2f0 [ 161.151971][ T7759] ? __send_to_port+0x420/0x420 [ 161.151973][ T7759] ? printk_get_next_message+0x240/0x650 [ 161.151976][ T7759] hvc_console_print+0x292/0x780 [ 161.151979][ T7759] ? hvc_write+0x3a0/0x3a0 [ 161.151981][ T7759] ? __rwlock_init+0x150/0x150 [ 161.151983][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.151985][ T7759] ? lock_acquire+0x13c/0x160 [ 161.151987][ T7759] console_emit_next_record+0x22f/0x4c0 [ 161.151989][ T7759] ? devkmsg_read+0x4b0/0x4b0 [ 161.151991][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.151993][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.151994][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.151996][ T7759] ? lock_acquire+0x13c/0x160 [ 161.151998][ T7759] ? console_flush_one_record+0x111/0x710 [ 161.151999][ T7759] console_flush_one_record+0x46f/0x710 [ 161.152002][ T7759] ? console_emit_next_record+0x4c0/0x4c0 [ 161.152004][ T7759] console_unlock+0xee/0x1f0 [ 161.152006][ T7759] ? lock_acquire+0x13c/0x160 [ 161.152007][ T7759] ? console_flush_one_record+0x710/0x710 [ 161.152009][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152010][ T7759] ? lock_release+0x184/0x1f0 [ 161.152012][ T7759] ? lock_acquire+0x60/0x160 [ 161.152013][ T7759] ? __rcu_read_lock+0x30/0x70 [ 161.152015][ T7759] ? __down_trylock_console_sem+0x5e/0xa0 [ 161.152017][ T7759] ? vprintk_emit+0x320/0x3e0 [ 161.152019][ T7759] vprintk_emit+0x37c/0x3e0 [ 161.152021][ T7759] ? wake_up_klogd_work_func+0x90/0x90 [ 161.152023][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152025][ T7759] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 161.152027][ T7759] ? trace_hardirqs_on+0x36/0x40 [ 161.152029][ T7759] _printk+0xc7/0x100 [ 161.152032][ T7759] ? snapshot_read.cold+0x21/0x21 [ 161.152034][ T7759] ? ipv6_mc_down+0x17e/0x2d0 [ 161.152038][ T7759] br_set_state+0x22f/0x430 [bridge] [ 161.152051][ T7759] br_stp_disable_port+0x11f/0x390 [bridge] [ 161.152058][ T7759] br_device_event+0x7b5/0x8f0 [bridge] [ 161.152066][ T7759] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 161.152070][ T7759] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 161.152071][ T7759] ? addrconf_notify+0x2c8/0xf30 [ 161.152075][ T7759] notifier_call_chain+0xae/0x300 [ 161.152078][ T7759] __dev_notify_flags+0x23c/0x3c0 [ 161.152081][ T7759] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 161.152083][ T7759] ? netif_change_name+0x8c0/0x8c0 [ 161.152085][ T7759] ? netif_set_allmulti+0x250/0x250 [ 161.152087][ T7759] ? __kernel_text_address+0x12/0x30 [ 161.152089][ T7759] ? write_profile+0xf0/0xf0 [ 161.152091][ T7759] ? unwind_get_return_address+0x67/0xd0 [ 161.152093][ T7759] netif_change_flags+0xfe/0x190 [ 161.152096][ T7759] do_setlink.isra.0+0x1cc3/0x2750 [ 161.152099][ T7759] ? stack_trace_save+0x93/0xc0 [ 161.152100][ T7759] ? rtnl_link_get_size+0x350/0x350 [ 161.152101][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152103][ T7759] ? stack_depot_save_flags+0x1bc/0x790 [ 161.152106][ T7759] ? kasan_save_stack+0x3d/0x50 [ 161.152109][ T7759] ? kasan_save_stack+0x2f/0x50 [ 161.152110][ T7759] ? kasan_save_track+0x14/0x30 [ 161.152112][ T7759] ? __kasan_kmalloc+0x7b/0x90 [ 161.152113][ T7759] ? __kmalloc_cache_noprof+0x29a/0x620 [ 161.152115][ T7759] ? rtnl_newlink+0x124/0x11c0 [ 161.152116][ T7759] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 161.152117][ T7759] ? netlink_rcv_skb+0x14e/0x3a0 [ 161.152120][ T7759] ? netlink_unicast+0x486/0x750 [ 161.152121][ T7759] ? netlink_sendmsg+0x735/0xc60 [ 161.152122][ T7759] ? ____sys_sendmsg+0x415/0x880 [ 161.152124][ T7759] ? ___sys_sendmsg+0x14e/0x1d0 [ 161.152126][ T7759] ? __sys_sendmsg+0x12c/0x1d0 [ 161.152127][ T7759] ? do_syscall_64+0xff/0x530 [ 161.152129][ T7759] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 161.152132][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152133][ T7759] ? lock_acquire+0x13c/0x160 [ 161.152135][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152136][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152138][ T7759] ? trace_contention_end+0xb3/0x180 [ 161.152141][ T7759] ? __mutex_lock+0x1db/0x1ea0 [ 161.152142][ T7759] ? __mutex_lock+0x9a3/0x1ea0 [ 161.152143][ T7759] ? rtnl_newlink+0x9a8/0x11c0 [ 161.152145][ T7759] ? ww_mutex_lock+0x160/0x160 [ 161.152147][ T7759] ? __rtnl_newlink+0x3fa/0xa50 [ 161.152149][ T7759] rtnl_newlink+0x9f1/0x11c0 [ 161.152151][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152152][ T7759] ? rtnl_bridge_getlink+0x850/0x850 [ 161.152153][ T7759] ? lock_acquire+0x13c/0x160 [ 161.152155][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152156][ T7759] ? is_bpf_text_address+0x3e/0x110 [ 161.152160][ T7759] ? is_bpf_text_address+0x72/0x110 [ 161.152161][ T7759] ? kernel_text_address+0x149/0x170 [ 161.152163][ T7759] ? __kernel_text_address+0x12/0x30 [ 161.152164][ T7759] ? write_profile+0xf0/0xf0 [ 161.152165][ T7759] ? unwind_get_return_address+0x67/0xd0 [ 161.152166][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152168][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152169][ T7759] ? cap_capable+0x1d7/0x3d0 [ 161.152173][ T7759] ? lock_acquire+0x13c/0x160 [ 161.152174][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152176][ T7759] ? rtnl_bridge_getlink+0x850/0x850 [ 161.152177][ T7759] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 161.152179][ T7759] ? rtnl_link_fill+0x920/0x920 [ 161.152180][ T7759] ? filter_irq_stacks+0xd0/0xd0 [ 161.152181][ T7759] ? stack_depot_save_flags+0x1bc/0x790 [ 161.152184][ T7759] netlink_rcv_skb+0x14e/0x3a0 [ 161.152185][ T7759] ? rtnl_link_fill+0x920/0x920 [ 161.152187][ T7759] ? lock_release+0x184/0x1f0 [ 161.152189][ T7759] ? netlink_ack+0xcf0/0xcf0 [ 161.152191][ T7759] ? __netlink_lookup+0xb9/0x6b0 [ 161.152194][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152197][ T7759] ? lock_release+0x184/0x1f0 [ 161.152200][ T7759] netlink_unicast+0x486/0x750 [ 161.152202][ T7759] ? netlink_attachskb+0x810/0x810 [ 161.152203][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152205][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152206][ T7759] ? lock_acquire+0x13c/0x160 [ 161.152208][ T7759] netlink_sendmsg+0x735/0xc60 [ 161.152210][ T7759] ? netlink_unicast+0x750/0x750 [ 161.152212][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152214][ T7759] ? lock_release+0x184/0x1f0 [ 161.152215][ T7759] ____sys_sendmsg+0x415/0x880 [ 161.152217][ T7759] ? copy_msghdr_from_user+0x279/0x420 [ 161.152219][ T7759] ? get_timestamp.constprop.0+0x390/0x390 [ 161.152220][ T7759] ? move_addr_to_kernel+0x40/0x40 [ 161.152222][ T7759] ? filter_irq_stacks+0xd0/0xd0 [ 161.152224][ T7759] ___sys_sendmsg+0x14e/0x1d0 [ 161.152226][ T7759] ? copy_msghdr_from_user+0x420/0x420 [ 161.152230][ T7759] __sys_sendmsg+0x12c/0x1d0 [ 161.152232][ T7759] ? __sys_sendmsg_sock+0x20/0x20 [ 161.152235][ T7759] ? rcu_is_watching+0x16/0xd0 [ 161.152237][ T7759] do_syscall_64+0xff/0x530 [ 161.152238][ T7759] ? exc_page_fault+0xee/0x100 [ 161.152240][ T7759] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 161.152241][ T7759] RIP: 0033:0x7fd135c0c54e [ 161.152244][ T7759] 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 [ 161.152245][ T7759] RSP: 002b:00007ffc565a2360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 161.152249][ T7759] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd135c0c54e [ 161.152251][ T7759] RDX: 0000000000000000 RSI: 00007ffc565a2410 RDI: 0000000000000005 [ 161.152251][ T7759] RBP: 00007ffc565a2370 R08: 0000000000000000 R09: 0000000000000000 [ 161.152252][ T7759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107d7 [ 161.152253][ T7759] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc565a2ad0 [ 161.152255][ T7759] [ 161.199925][ T7760] veth2: left allmulticast mode [ 161.200095][ T7760] veth2: left promiscuous mode [ 161.200299][ T7760] br0: port 2(veth2) entered disabled state [ 161.217272][ T7761] br0: port 1(veth1) entered disabled state [ 161.238116][ T7762] veth1: left allmulticast mode [ 161.238283][ T7762] veth1: left promiscuous mode [ 161.238485][ T7762] br0: port 1(veth1) entered disabled state [ 161.434673][ T7780] br0: port 1(veth1) entered blocking state [ 161.434904][ T7780] br0: port 1(veth1) entered disabled state [ 161.435090][ T7780] veth1: entered allmulticast mode [ 161.435949][ T7780] veth1: entered promiscuous mode [ 161.457087][ T7781] br0: port 1(veth1) entered blocking state [ 161.457302][ T7781] br0: port 1(veth1) entered forwarding state [ 161.530592][ T7785] br0: port 2(veth2) entered blocking state [ 161.530801][ T7785] br0: port 2(veth2) entered disabled state [ 161.531002][ T7785] veth2: entered allmulticast mode [ 161.532339][ T7785] veth2: entered promiscuous mode [ 161.548589][ T188] br0: port 2(veth2) entered blocking state [ 161.548784][ T188] br0: port 2(veth2) entered forwarding state [ 166.800943][ T7809] br0: port 2(veth2) entered disabled state [ 166.800957][ T7809] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 166.800959][ T7809] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 7809, name: ip [ 166.800961][ T7809] preempt_count: 202, expected: 0 [ 166.800962][ T7809] RCU nest depth: 0, expected: 0 [ 166.800963][ T7809] INFO: lockdep is turned off. [ 166.800964][ T7809] irq event stamp: 0 [ 166.800965][ T7809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 166.800969][ T7809] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 166.800975][ T7809] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 166.800977][ T7809] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 166.800978][ T7809] Preemption disabled at: [ 166.800979][ T7809] [<0000000000000000>] 0x0 [ 166.800984][ T7809] CPU: 3 UID: 0 PID: 7809 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 166.800989][ T7809] Tainted: [W]=WARN [ 166.800990][ T7809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 166.800992][ T7809] Call Trace: [ 166.800994][ T7809] [ 166.800996][ T7809] dump_stack_lvl+0x6f/0xa0 [ 166.801002][ T7809] __might_resched.cold+0x1fe/0x2c1 [ 166.801006][ T7809] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 166.801009][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801013][ T7809] __kmalloc_noprof+0x443/0x760 [ 166.801017][ T7809] ? __rwlock_init+0x150/0x150 [ 166.801019][ T7809] ? alloc_buf.isra.0+0x4b/0x260 [ 166.801023][ T7809] ? do_raw_spin_unlock+0x59/0x250 [ 166.801025][ T7809] alloc_buf.isra.0+0x4b/0x260 [ 166.801026][ T7809] put_chars+0x1e1/0x2f0 [ 166.801028][ T7809] ? desc_read_finalized_seq+0x79/0x120 [ 166.801030][ T7809] ? __send_to_port+0x420/0x420 [ 166.801032][ T7809] ? console_prepend_replay+0x20/0x20 [ 166.801035][ T7809] hvc_console_print+0x292/0x780 [ 166.801038][ T7809] ? hvc_write+0x3a0/0x3a0 [ 166.801039][ T7809] ? do_raw_spin_lock+0x131/0x280 [ 166.801041][ T7809] ? __rwlock_init+0x150/0x150 [ 166.801042][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801044][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801046][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801048][ T7809] console_emit_next_record+0x22f/0x4c0 [ 166.801050][ T7809] ? devkmsg_read+0x4b0/0x4b0 [ 166.801052][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801054][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801055][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801057][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801058][ T7809] ? console_flush_one_record+0x111/0x710 [ 166.801060][ T7809] console_flush_one_record+0x46f/0x710 [ 166.801062][ T7809] ? console_emit_next_record+0x4c0/0x4c0 [ 166.801065][ T7809] console_unlock+0xee/0x1f0 [ 166.801066][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801068][ T7809] ? console_flush_one_record+0x710/0x710 [ 166.801069][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801071][ T7809] ? lock_release+0x184/0x1f0 [ 166.801072][ T7809] ? lock_acquire+0x60/0x160 [ 166.801074][ T7809] ? __rcu_read_lock+0x30/0x70 [ 166.801076][ T7809] ? __down_trylock_console_sem+0x5e/0xa0 [ 166.801077][ T7809] ? vprintk_emit+0x320/0x3e0 [ 166.801079][ T7809] vprintk_emit+0x37c/0x3e0 [ 166.801083][ T7809] ? wake_up_klogd_work_func+0x90/0x90 [ 166.801085][ T7809] ? debug_object_assert_init+0x1d9/0x360 [ 166.801088][ T7809] ? debug_object_activate+0x4a0/0x4a0 [ 166.801090][ T7809] _printk+0xc7/0x100 [ 166.801094][ T7809] ? snapshot_read.cold+0x21/0x21 [ 166.801096][ T7809] ? __rwlock_init+0x150/0x150 [ 166.801097][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801099][ T7809] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 166.801102][ T7809] br_set_state+0x22f/0x430 [bridge] [ 166.801114][ T7809] br_stp_disable_port+0x11f/0x390 [bridge] [ 166.801122][ T7809] br_stp_disable_bridge+0xb9/0x180 [bridge] [ 166.801129][ T7809] br_dev_stop+0x28/0x1a0 [bridge] [ 166.801137][ T7809] ? rtnl_is_locked+0x15/0x20 [ 166.801140][ T7809] __dev_close_many+0x1c8/0x530 [ 166.801144][ T7809] ? netif_open+0x120/0x120 [ 166.801145][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801147][ T7809] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 166.801149][ T7809] __dev_change_flags+0x288/0x660 [ 166.801151][ T7809] ? netif_set_allmulti+0x250/0x250 [ 166.801153][ T7809] ? __kernel_text_address+0x12/0x30 [ 166.801155][ T7809] ? write_profile+0xf0/0xf0 [ 166.801158][ T7809] ? unwind_get_return_address+0x67/0xd0 [ 166.801161][ T7809] netif_change_flags+0x87/0x190 [ 166.801163][ T7809] do_setlink.isra.0+0x1cc3/0x2750 [ 166.801165][ T7809] ? stack_trace_save+0x93/0xc0 [ 166.801166][ T7809] ? rtnl_link_get_size+0x350/0x350 [ 166.801168][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801170][ T7809] ? stack_depot_save_flags+0x1bc/0x790 [ 166.801175][ T7809] ? kasan_save_stack+0x3d/0x50 [ 166.801178][ T7809] ? kasan_save_stack+0x2f/0x50 [ 166.801179][ T7809] ? kasan_save_track+0x14/0x30 [ 166.801181][ T7809] ? __kasan_kmalloc+0x7b/0x90 [ 166.801182][ T7809] ? __kmalloc_cache_noprof+0x29a/0x620 [ 166.801184][ T7809] ? rtnl_newlink+0x124/0x11c0 [ 166.801185][ T7809] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 166.801186][ T7809] ? netlink_rcv_skb+0x14e/0x3a0 [ 166.801189][ T7809] ? netlink_unicast+0x486/0x750 [ 166.801190][ T7809] ? netlink_sendmsg+0x735/0xc60 [ 166.801191][ T7809] ? ____sys_sendmsg+0x415/0x880 [ 166.801194][ T7809] ? ___sys_sendmsg+0x14e/0x1d0 [ 166.801195][ T7809] ? __sys_sendmsg+0x12c/0x1d0 [ 166.801197][ T7809] ? do_syscall_64+0xff/0x530 [ 166.801199][ T7809] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 166.801202][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801203][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801205][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801206][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801208][ T7809] ? trace_contention_end+0xb3/0x180 [ 166.801211][ T7809] ? __mutex_lock+0x1db/0x1ea0 [ 166.801213][ T7809] ? __mutex_lock+0x9a3/0x1ea0 [ 166.801214][ T7809] ? rtnl_newlink+0x9a8/0x11c0 [ 166.801216][ T7809] ? ww_mutex_lock+0x160/0x160 [ 166.801218][ T7809] ? __rtnl_newlink+0x3fa/0xa50 [ 166.801220][ T7809] rtnl_newlink+0x9f1/0x11c0 [ 166.801222][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801224][ T7809] ? rtnl_bridge_getlink+0x850/0x850 [ 166.801225][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801226][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801228][ T7809] ? is_bpf_text_address+0x3e/0x110 [ 166.801231][ T7809] ? is_bpf_text_address+0x72/0x110 [ 166.801233][ T7809] ? kernel_text_address+0x149/0x170 [ 166.801234][ T7809] ? __kernel_text_address+0x12/0x30 [ 166.801236][ T7809] ? write_profile+0xf0/0xf0 [ 166.801237][ T7809] ? unwind_get_return_address+0x67/0xd0 [ 166.801238][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801239][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801241][ T7809] ? cap_capable+0x1d7/0x3d0 [ 166.801244][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801246][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801248][ T7809] ? rtnl_bridge_getlink+0x850/0x850 [ 166.801249][ T7809] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 166.801250][ T7809] ? rtnl_link_fill+0x920/0x920 [ 166.801252][ T7809] ? filter_irq_stacks+0xd0/0xd0 [ 166.801253][ T7809] ? stack_depot_save_flags+0x1bc/0x790 [ 166.801255][ T7809] netlink_rcv_skb+0x14e/0x3a0 [ 166.801257][ T7809] ? rtnl_link_fill+0x920/0x920 [ 166.801258][ T7809] ? lock_release+0x184/0x1f0 [ 166.801260][ T7809] ? netlink_ack+0xcf0/0xcf0 [ 166.801261][ T7809] ? __netlink_lookup+0xb9/0x6b0 [ 166.801263][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801265][ T7809] ? lock_release+0x184/0x1f0 [ 166.801267][ T7809] netlink_unicast+0x486/0x750 [ 166.801269][ T7809] ? netlink_attachskb+0x810/0x810 [ 166.801270][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801272][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801273][ T7809] ? lock_acquire+0x13c/0x160 [ 166.801275][ T7809] netlink_sendmsg+0x735/0xc60 [ 166.801277][ T7809] ? netlink_unicast+0x750/0x750 [ 166.801279][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801280][ T7809] ? lock_release+0x184/0x1f0 [ 166.801282][ T7809] ____sys_sendmsg+0x415/0x880 [ 166.801284][ T7809] ? copy_msghdr_from_user+0x279/0x420 [ 166.801285][ T7809] ? get_timestamp.constprop.0+0x390/0x390 [ 166.801287][ T7809] ? move_addr_to_kernel+0x40/0x40 [ 166.801288][ T7809] ? filter_irq_stacks+0xd0/0xd0 [ 166.801290][ T7809] ___sys_sendmsg+0x14e/0x1d0 [ 166.801292][ T7809] ? copy_msghdr_from_user+0x420/0x420 [ 166.801297][ T7809] __sys_sendmsg+0x12c/0x1d0 [ 166.801299][ T7809] ? __sys_sendmsg_sock+0x20/0x20 [ 166.801301][ T7809] ? rcu_is_watching+0x16/0xd0 [ 166.801303][ T7809] do_syscall_64+0xff/0x530 [ 166.801304][ T7809] ? exc_page_fault+0xee/0x100 [ 166.801307][ T7809] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 166.801308][ T7809] RIP: 0033:0x7f6afd8c454e [ 166.801310][ T7809] 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 [ 166.801312][ T7809] RSP: 002b:00007ffc95a49920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 166.801318][ T7809] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6afd8c454e [ 166.801319][ T7809] RDX: 0000000000000000 RSI: 00007ffc95a499d0 RDI: 0000000000000005 [ 166.801320][ T7809] RBP: 00007ffc95a49930 R08: 0000000000000000 R09: 0000000000000000 [ 166.801321][ T7809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107dd [ 166.801322][ T7809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95a4a090 [ 166.801324][ T7809] [ 166.827022][ T7809] br0: port 1(veth1) entered disabled state [ 166.908683][ T7815] br0: port 2(veth2) entered blocking state [ 166.908938][ T7815] br0: port 2(veth2) entered forwarding state [ 166.909271][ T7815] br0: port 1(veth1) entered blocking state [ 166.909498][ T7815] br0: port 1(veth1) entered forwarding state [ 167.105593][ T7831] br0: port 2(veth2) entered disabled state [ 167.105914][ T7831] br0: port 1(veth1) entered disabled state [ 167.156797][ T7834] br0: port 2(veth2) entered blocking state [ 167.157064][ T7834] br0: port 2(veth2) entered forwarding state [ 167.157400][ T7834] br0: port 1(veth1) entered blocking state [ 167.157614][ T7834] br0: port 1(veth1) entered forwarding state [ 167.250746][ T7841] br0: port 2(veth2) entered disabled state [ 167.270749][ T7842] veth2: left allmulticast mode [ 167.270920][ T7842] veth2: left promiscuous mode [ 167.271125][ T7842] br0: port 2(veth2) entered disabled state [ 167.286342][ T7843] br0: port 1(veth1) entered disabled state [ 167.311275][ T7844] veth1: left allmulticast mode [ 167.311452][ T7844] veth1: left promiscuous mode [ 167.311657][ T7844] br0: port 1(veth1) entered disabled state