[ 10.286527][ T235] br: port 1(d1) entered blocking state [ 10.286662][ T235] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.286664][ T235] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 235, name: ip [ 10.286666][ T235] preempt_count: 1, expected: 0 [ 10.286666][ T235] RCU nest depth: 0, expected: 0 [ 10.286668][ T235] locks held by ip/235: 5, last CPU#3: [ 10.286670][ T235] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 10.286682][ T235] #1: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.286688][ T235] #2: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.286692][ T235] #3: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.286696][ T235] #4: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.286701][ T235] irq event stamp: 16480 [ 10.286701][ T235] hardirqs last enabled at (16479): [] __down_trylock_console_sem+0x86/0xa0 [ 10.286704][ T235] hardirqs last disabled at (16480): [] console_emit_next_record+0x3d4/0x4c0 [ 10.286706][ T235] softirqs last enabled at (16392): [] __alloc_skb+0x4c2/0x5f0 [ 10.286710][ T235] softirqs last disabled at (16390): [] __alloc_skb+0x4c2/0x5f0 [ 10.286712][ T235] Preemption disabled at: [ 10.286713][ T235] [] vprintk_emit+0x31b/0x3e0 [ 10.286719][ T235] CPU: 3 UID: 0 PID: 235 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.286723][ T235] Tainted: [W]=WARN [ 10.286723][ T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.286727][ T235] Call Trace: [ 10.286729][ T235] [ 10.286730][ T235] dump_stack_lvl+0x6f/0xa0 [ 10.286736][ T235] ? vprintk_emit+0x31b/0x3e0 [ 10.286738][ T235] __might_resched.cold+0x1fe/0x2c1 [ 10.286742][ T235] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.286747][ T235] ? __kmalloc_noprof+0xdb/0x760 [ 10.286751][ T235] __kmalloc_noprof+0x443/0x760 [ 10.286753][ T235] ? alloc_buf.isra.0+0x4b/0x260 [ 10.286760][ T235] ? do_raw_spin_unlock+0x59/0x250 [ 10.286763][ T235] alloc_buf.isra.0+0x4b/0x260 [ 10.286767][ T235] put_chars+0x1e1/0x2f0 [ 10.286769][ T235] ? __send_to_port+0x420/0x420 [ 10.286772][ T235] ? validate_chain+0x34a/0xc20 [ 10.286778][ T235] hvc_console_print+0x292/0x780 [ 10.286786][ T235] ? hvc_write+0x3a0/0x3a0 [ 10.286788][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286791][ T235] ? lock_acquire+0x13c/0x160 [ 10.286795][ T235] console_emit_next_record+0x22f/0x4c0 [ 10.286799][ T235] ? devkmsg_read+0x4b0/0x4b0 [ 10.286801][ T235] ? console_flush_one_record+0x106/0x710 [ 10.286805][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286806][ T235] ? lock_acquire+0x13c/0x160 [ 10.286810][ T235] console_flush_one_record+0x46f/0x710 [ 10.286815][ T235] ? console_emit_next_record+0x4c0/0x4c0 [ 10.286817][ T235] ? __lock_acquire+0x518/0xc20 [ 10.286822][ T235] console_unlock+0xee/0x1f0 [ 10.286825][ T235] ? console_flush_one_record+0x710/0x710 [ 10.286827][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286828][ T235] ? lock_acquire+0xe0/0x160 [ 10.286832][ T235] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.286834][ T235] ? vprintk_emit+0x320/0x3e0 [ 10.286837][ T235] vprintk_emit+0x37c/0x3e0 [ 10.286840][ T235] ? wake_up_klogd_work_func+0x90/0x90 [ 10.286842][ T235] ? __lock_release.isra.0+0x69/0x1a0 [ 10.286843][ T235] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 10.286848][ T235] ? mark_held_locks+0x40/0x70 [ 10.286852][ T235] _printk+0xc7/0x100 [ 10.286855][ T235] ? snapshot_read.cold+0x21/0x21 [ 10.286859][ T235] ? br_multicast_flood+0x960/0x960 [ 10.286863][ T235] ? do_setlink.isra.0+0x9ec/0x2a60 [ 10.286864][ T235] ? rtnl_newlink+0x9f1/0x11b0 [ 10.286865][ T235] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.286870][ T235] br_set_state+0x22f/0x430 [ 10.286874][ T235] br_init_port+0xc4/0x200 [ 10.286876][ T235] new_nbp+0x3a0/0x650 [ 10.286880][ T235] br_add_if+0x212/0x1320 [ 10.286883][ T235] ? is_bpf_text_address+0x72/0x110 [ 10.286886][ T235] ? kernel_text_address+0x149/0x170 [ 10.286892][ T235] do_set_master+0x3b2/0x780 [ 10.286896][ T235] do_setlink.isra.0+0x9ec/0x2a60 [ 10.286899][ T235] ? stack_trace_save+0x93/0xc0 [ 10.286903][ T235] ? rtnl_link_get_size+0x350/0x350 [ 10.286904][ T235] ? rcu_read_lock_any_held+0x66/0x90 [ 10.286907][ T235] ? stack_depot_save_flags+0x38e/0x790 [ 10.286910][ T235] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.286913][ T235] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.286914][ T235] ? validate_chain+0x38b/0xc20 [ 10.286917][ T235] ? kasan_save_stack+0x3d/0x50 [ 10.286919][ T235] ? kasan_save_stack+0x2f/0x50 [ 10.286921][ T235] ? kasan_save_track+0x14/0x30 [ 10.286922][ T235] ? __kasan_kmalloc+0x7b/0x90 [ 10.286924][ T235] ? __lock_acquire+0x518/0xc20 [ 10.286926][ T235] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 10.286929][ T235] ? ___sys_sendmsg+0xd0/0x1d0 [ 10.286933][ T235] ? lock_acquire.part.0+0xd4/0x280 [ 10.286935][ T235] ? rtnl_newlink+0x9a8/0x11b0 [ 10.286938][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286939][ T235] ? lock_acquire+0x13c/0x160 [ 10.286941][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286942][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286944][ T235] ? trace_contention_end+0xb3/0x180 [ 10.286946][ T235] ? __mutex_lock+0x1db/0x1ea0 [ 10.286948][ T235] ? __mutex_lock+0x9a3/0x1ea0 [ 10.286950][ T235] ? rtnl_newlink+0x9a8/0x11b0 [ 10.286953][ T235] ? ww_mutex_lock+0x160/0x160 [ 10.286955][ T235] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.286960][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.286962][ T235] ? __rtnl_newlink+0x3fa/0xa50 [ 10.286967][ T235] rtnl_newlink+0x9f1/0x11b0 [ 10.286973][ T235] ? rtnl_bridge_getlink+0x850/0x850 [ 10.286974][ T235] ? __lock_acquire+0x518/0xc20 [ 10.286979][ T235] ? lock_acquire.part.0+0xd4/0x280 [ 10.286981][ T235] ? find_held_lock+0x2b/0x80 [ 10.286983][ T235] ? rtnl_bridge_getlink+0x850/0x850 [ 10.286989][ T235] ? __lock_release.isra.0+0x69/0x1a0 [ 10.286993][ T235] ? rtnl_bridge_getlink+0x850/0x850 [ 10.286996][ T235] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.286999][ T235] ? rtnl_link_fill+0x920/0x920 [ 10.287000][ T235] ? __lock_acquire+0x518/0xc20 [ 10.287005][ T235] ? lock_acquire.part.0+0xd4/0x280 [ 10.287007][ T235] ? find_held_lock+0x2b/0x80 [ 10.287010][ T235] netlink_rcv_skb+0x14e/0x3a0 [ 10.287013][ T235] ? rtnl_link_fill+0x920/0x920 [ 10.287016][ T235] ? netlink_ack+0xcf0/0xcf0 [ 10.287023][ T235] ? netlink_deliver_tap+0xc5/0x330 [ 10.287025][ T235] ? netlink_deliver_tap+0x13c/0x330 [ 10.287030][ T235] netlink_unicast+0x486/0x750 [ 10.287034][ T235] ? netlink_attachskb+0x810/0x810 [ 10.287036][ T235] ? find_held_lock+0x2b/0x80 [ 10.287041][ T235] netlink_sendmsg+0x75b/0xc90 [ 10.287045][ T235] ? netlink_unicast+0x750/0x750 [ 10.287049][ T235] ? __lock_release.isra.0+0x69/0x1a0 [ 10.287050][ T235] ? __import_iovec+0x36c/0x620 [ 10.287056][ T235] __sock_sendmsg+0xce/0x190 [ 10.287059][ T235] ____sys_sendmsg+0x61a/0x860 [ 10.287061][ T235] ? copy_msghdr_from_user+0x279/0x420 [ 10.287064][ T235] ? sock_write_iter+0x400/0x400 [ 10.287065][ T235] ? move_addr_to_kernel+0x40/0x40 [ 10.287073][ T235] ___sys_sendmsg+0x14e/0x1d0 [ 10.287076][ T235] ? copy_msghdr_from_user+0x420/0x420 [ 10.287092][ T235] __sys_sendmsg+0x12c/0x1d0 [ 10.287095][ T235] ? __sys_sendmsg_sock+0x20/0x20 [ 10.287101][ T235] ? rcu_is_watching+0x16/0xd0 [ 10.287105][ T235] do_syscall_64+0xff/0x530 [ 10.287108][ T235] ? exc_page_fault+0xee/0x100 [ 10.287111][ T235] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.287113][ T235] RIP: 0033:0x7fdf107b354e [ 10.287117][ T235] 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 [ 10.287118][ T235] RSP: 002b:00007ffd92a86cc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.287121][ T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdf107b354e [ 10.287123][ T235] RDX: 0000000000000000 RSI: 00007ffd92a86d70 RDI: 0000000000000005 [ 10.287124][ T235] RBP: 00007ffd92a86cd0 R08: 0000000000000000 R09: 0000000000000000 [ 10.287125][ T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b077 [ 10.287125][ T235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd92a87430 [ 10.287132][ T235] [ 10.321743][ T235] br: port 1(d1) entered disabled state [ 10.322013][ T235] d1: entered allmulticast mode [ 10.323086][ T235] d1: entered promiscuous mode [ 10.324222][ T235] br: port 1(d1) entered blocking state [ 10.324516][ T235] br: port 1(d1) entered forwarding state [ 10.342903][ T235] ip (235) used greatest stack depth: 23336 bytes left [ 10.715765][ T264] br: port 2(d2) entered blocking state [ 10.716213][ T264] br: port 2(d2) entered disabled state [ 10.716655][ T264] d2: entered allmulticast mode [ 10.718430][ T264] d2: entered promiscuous mode [ 10.719720][ T264] br: port 2(d2) entered blocking state [ 10.720142][ T264] br: port 2(d2) entered forwarding state [ 11.123225][ T292] br: port 3(d3) entered blocking state [ 11.123660][ T292] br: port 3(d3) entered disabled state [ 11.124124][ T292] d3: entered allmulticast mode [ 11.136695][ T292] d3: entered promiscuous mode [ 11.137818][ T292] br: port 3(d3) entered blocking state [ 11.138220][ T292] br: port 3(d3) entered forwarding state [ 12.089480][ T389] br: port 1(d1) entered disabled state [ 12.089499][ T389] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.089501][ T389] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 389, name: ip [ 12.089502][ T389] preempt_count: 202, expected: 0 [ 12.089503][ T389] RCU nest depth: 0, expected: 0 [ 12.089504][ T389] locks held by ip/389: 6, last CPU#0: [ 12.089506][ T389] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.089518][ T389] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 12.089523][ T389] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.089528][ T389] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.089532][ T389] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.089535][ T389] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.089539][ T389] irq event stamp: 15521 [ 12.089540][ T389] hardirqs last enabled at (15520): [] __down_trylock_console_sem+0x86/0xa0 [ 12.089543][ T389] hardirqs last disabled at (15521): [] console_emit_next_record+0x3d4/0x4c0 [ 12.089545][ T389] softirqs last enabled at (15504): [] ipv6_mc_down+0x134/0x2d0 [ 12.089548][ T389] softirqs last disabled at (15516): [] br_device_event+0x1d7/0x8f0 [ 12.089550][ T389] Preemption disabled at: [ 12.089551][ T389] [<0000000000000000>] 0x0 [ 12.089558][ T389] CPU: 0 UID: 0 PID: 389 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.089561][ T389] Tainted: [W]=WARN [ 12.089562][ T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.089564][ T389] Call Trace: [ 12.089565][ T389] [ 12.089567][ T389] dump_stack_lvl+0x6f/0xa0 [ 12.089573][ T389] __might_resched.cold+0x1fe/0x2c1 [ 12.089578][ T389] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.089582][ T389] ? __kmalloc_noprof+0xdb/0x760 [ 12.089586][ T389] __kmalloc_noprof+0x443/0x760 [ 12.089588][ T389] ? alloc_buf.isra.0+0x4b/0x260 [ 12.089595][ T389] ? do_raw_spin_unlock+0x59/0x250 [ 12.089598][ T389] alloc_buf.isra.0+0x4b/0x260 [ 12.089601][ T389] put_chars+0x1e1/0x2f0 [ 12.089604][ T389] ? __send_to_port+0x420/0x420 [ 12.089610][ T389] hvc_console_print+0x292/0x780 [ 12.089617][ T389] ? hvc_write+0x3a0/0x3a0 [ 12.089620][ T389] ? lock_acquire+0x13c/0x160 [ 12.089625][ T389] console_emit_next_record+0x22f/0x4c0 [ 12.089629][ T389] ? devkmsg_read+0x4b0/0x4b0 [ 12.089631][ T389] ? console_flush_one_record+0x106/0x710 [ 12.089634][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089637][ T389] ? lock_acquire+0x13c/0x160 [ 12.089641][ T389] console_flush_one_record+0x46f/0x710 [ 12.089645][ T389] ? console_emit_next_record+0x4c0/0x4c0 [ 12.089646][ T389] ? __lock_acquire+0x518/0xc20 [ 12.089652][ T389] console_unlock+0xee/0x1f0 [ 12.089655][ T389] ? console_flush_one_record+0x710/0x710 [ 12.089656][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089658][ T389] ? lock_acquire+0xe0/0x160 [ 12.089662][ T389] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.089663][ T389] ? vprintk_emit+0x320/0x3e0 [ 12.089666][ T389] vprintk_emit+0x37c/0x3e0 [ 12.089669][ T389] ? wake_up_klogd_work_func+0x90/0x90 [ 12.089670][ T389] ? mark_held_locks+0x40/0x70 [ 12.089673][ T389] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.089675][ T389] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.089679][ T389] _printk+0xc7/0x100 [ 12.089683][ T389] ? snapshot_read.cold+0x21/0x21 [ 12.089690][ T389] br_set_state+0x22f/0x430 [ 12.089695][ T389] br_stp_disable_port+0x11f/0x390 [ 12.089698][ T389] br_device_event+0x7b5/0x8f0 [ 12.089700][ T389] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.089704][ T389] ? packet_sendmsg_spkt+0x1360/0x1360 [ 12.089710][ T389] notifier_call_chain+0xae/0x300 [ 12.089715][ T389] __dev_notify_flags+0x23c/0x450 [ 12.089721][ T389] ? netif_change_name+0x8c0/0x8c0 [ 12.089727][ T389] ? netif_set_allmulti+0x2c0/0x2c0 [ 12.089731][ T389] ? __kernel_text_address+0x12/0x30 [ 12.089734][ T389] ? write_profile+0xf0/0xf0 [ 12.089738][ T389] netif_change_flags+0xfe/0x190 [ 12.089742][ T389] do_setlink.isra.0+0x1d25/0x2a60 [ 12.089745][ T389] ? stack_trace_save+0x93/0xc0 [ 12.089747][ T389] ? rtnl_link_get_size+0x350/0x350 [ 12.089749][ T389] ? rcu_read_lock_any_held+0x66/0x90 [ 12.089751][ T389] ? stack_depot_save_flags+0x38e/0x790 [ 12.089754][ T389] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.089756][ T389] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.089758][ T389] ? validate_chain+0x38b/0xc20 [ 12.089760][ T389] ? kasan_save_stack+0x3d/0x50 [ 12.089763][ T389] ? kasan_save_stack+0x2f/0x50 [ 12.089764][ T389] ? kasan_save_track+0x14/0x30 [ 12.089765][ T389] ? __kasan_kmalloc+0x7b/0x90 [ 12.089767][ T389] ? __lock_acquire+0x518/0xc20 [ 12.089769][ T389] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.089772][ T389] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.089776][ T389] ? lock_acquire.part.0+0xd4/0x280 [ 12.089778][ T389] ? rtnl_newlink+0x9a8/0x11b0 [ 12.089780][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089782][ T389] ? lock_acquire+0x13c/0x160 [ 12.089783][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089785][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089786][ T389] ? trace_contention_end+0xb3/0x180 [ 12.089789][ T389] ? __mutex_lock+0x1db/0x1ea0 [ 12.089790][ T389] ? __mutex_lock+0x9a3/0x1ea0 [ 12.089792][ T389] ? rtnl_newlink+0x9a8/0x11b0 [ 12.089795][ T389] ? ww_mutex_lock+0x160/0x160 [ 12.089799][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089801][ T389] ? __rtnl_newlink+0x3fa/0xa50 [ 12.089806][ T389] rtnl_newlink+0x9f1/0x11b0 [ 12.089811][ T389] ? rtnl_bridge_getlink+0x850/0x850 [ 12.089813][ T389] ? __lock_acquire+0x518/0xc20 [ 12.089818][ T389] ? lock_acquire.part.0+0xd4/0x280 [ 12.089819][ T389] ? find_held_lock+0x2b/0x80 [ 12.089822][ T389] ? rtnl_bridge_getlink+0x850/0x850 [ 12.089823][ T389] ? __lock_release.isra.0+0x69/0x1a0 [ 12.089827][ T389] ? rtnl_bridge_getlink+0x850/0x850 [ 12.089829][ T389] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.089832][ T389] ? rtnl_link_fill+0x920/0x920 [ 12.089834][ T389] ? __lock_acquire+0x518/0xc20 [ 12.089838][ T389] ? lock_acquire.part.0+0xd4/0x280 [ 12.089840][ T389] ? find_held_lock+0x2b/0x80 [ 12.089843][ T389] netlink_rcv_skb+0x14e/0x3a0 [ 12.089846][ T389] ? rtnl_link_fill+0x920/0x920 [ 12.089849][ T389] ? netlink_ack+0xcf0/0xcf0 [ 12.089856][ T389] ? netlink_deliver_tap+0xc5/0x330 [ 12.089858][ T389] ? netlink_deliver_tap+0x13c/0x330 [ 12.089862][ T389] netlink_unicast+0x486/0x750 [ 12.089866][ T389] ? netlink_attachskb+0x810/0x810 [ 12.089868][ T389] ? find_held_lock+0x2b/0x80 [ 12.089873][ T389] netlink_sendmsg+0x75b/0xc90 [ 12.089877][ T389] ? netlink_unicast+0x750/0x750 [ 12.089880][ T389] ? __lock_release.isra.0+0x69/0x1a0 [ 12.089882][ T389] ? __import_iovec+0x36c/0x620 [ 12.089887][ T389] __sock_sendmsg+0xce/0x190 [ 12.089890][ T389] ____sys_sendmsg+0x61a/0x860 [ 12.089892][ T389] ? copy_msghdr_from_user+0x279/0x420 [ 12.089895][ T389] ? sock_write_iter+0x400/0x400 [ 12.089896][ T389] ? move_addr_to_kernel+0x40/0x40 [ 12.089904][ T389] ___sys_sendmsg+0x14e/0x1d0 [ 12.089906][ T389] ? copy_msghdr_from_user+0x420/0x420 [ 12.089922][ T389] __sys_sendmsg+0x12c/0x1d0 [ 12.089925][ T389] ? __sys_sendmsg_sock+0x20/0x20 [ 12.089931][ T389] ? rcu_is_watching+0x16/0xd0 [ 12.089934][ T389] do_syscall_64+0xff/0x530 [ 12.089937][ T389] ? exc_page_fault+0xee/0x100 [ 12.089940][ T389] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.089942][ T389] RIP: 0033:0x7f5dd337254e [ 12.089945][ T389] 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 [ 12.089946][ T389] RSP: 002b:00007ffea5319bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.089949][ T389] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5dd337254e [ 12.089950][ T389] RDX: 0000000000000000 RSI: 00007ffea5319c70 RDI: 0000000000000005 [ 12.089951][ T389] RBP: 00007ffea5319bd0 R08: 0000000000000000 R09: 0000000000000000 [ 12.089952][ T389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b079 [ 12.089952][ T389] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea531a330 [ 12.089959][ T389] [ 12.136199][ T389] ip (389) used greatest stack depth: 23016 bytes left [ 12.470294][ T427] br: port 1(d1) entered blocking state [ 12.470590][ T427] br: port 1(d1) entered forwarding state [ 12.561810][ T435] br: port 2(d2) entered disabled state [ 12.881579][ T473] br: port 2(d2) entered blocking state [ 12.881867][ T473] br: port 2(d2) entered forwarding state [ 12.961476][ T481] br: port 1(d1) entered disabled state [ 13.046432][ T489] br: port 2(d2) entered disabled state [ 13.402789][ T527] br: port 2(d2) entered blocking state [ 13.402808][ T527] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.402811][ T527] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 527, name: ip [ 13.402812][ T527] preempt_count: 202, expected: 0 [ 13.402813][ T527] RCU nest depth: 0, expected: 0 [ 13.402814][ T527] locks held by ip/527: 6, last CPU#3: [ 13.402816][ T527] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 13.402828][ T527] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 13.402834][ T527] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.402839][ T527] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.402843][ T527] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.402847][ T527] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.402851][ T527] irq event stamp: 18933 [ 13.402852][ T527] hardirqs last enabled at (18932): [] __down_trylock_console_sem+0x86/0xa0 [ 13.402855][ T527] hardirqs last disabled at (18933): [] console_emit_next_record+0x3d4/0x4c0 [ 13.402857][ T527] softirqs last enabled at (18894): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 13.402860][ T527] softirqs last disabled at (18928): [] br_device_event+0x5fd/0x8f0 [ 13.402862][ T527] Preemption disabled at: [ 13.402862][ T527] [<0000000000000000>] 0x0 [ 13.402870][ T527] CPU: 3 UID: 0 PID: 527 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.402873][ T527] Tainted: [W]=WARN [ 13.402874][ T527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.402876][ T527] Call Trace: [ 13.402877][ T527] [ 13.402879][ T527] dump_stack_lvl+0x6f/0xa0 [ 13.402885][ T527] __might_resched.cold+0x1fe/0x2c1 [ 13.402890][ T527] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.402894][ T527] ? __kmalloc_noprof+0xdb/0x760 [ 13.402899][ T527] __kmalloc_noprof+0x443/0x760 [ 13.402901][ T527] ? alloc_buf.isra.0+0x4b/0x260 [ 13.402907][ T527] ? do_raw_spin_unlock+0x59/0x250 [ 13.402910][ T527] alloc_buf.isra.0+0x4b/0x260 [ 13.402914][ T527] put_chars+0x1e1/0x2f0 [ 13.402916][ T527] ? __send_to_port+0x420/0x420 [ 13.402917][ T527] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.402921][ T527] ? validate_chain+0x38b/0xc20 [ 13.402927][ T527] hvc_console_print+0x292/0x780 [ 13.402934][ T527] ? hvc_write+0x3a0/0x3a0 [ 13.402937][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.402939][ T527] ? lock_acquire+0x13c/0x160 [ 13.402943][ T527] console_emit_next_record+0x22f/0x4c0 [ 13.402947][ T527] ? devkmsg_read+0x4b0/0x4b0 [ 13.402948][ T527] ? console_flush_one_record+0x106/0x710 [ 13.402952][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.402953][ T527] ? lock_acquire+0x13c/0x160 [ 13.402957][ T527] console_flush_one_record+0x46f/0x710 [ 13.402961][ T527] ? console_emit_next_record+0x4c0/0x4c0 [ 13.402963][ T527] ? __lock_acquire+0x518/0xc20 [ 13.402968][ T527] console_unlock+0xee/0x1f0 [ 13.402971][ T527] ? console_flush_one_record+0x710/0x710 [ 13.402973][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.402975][ T527] ? lock_acquire+0xe0/0x160 [ 13.402978][ T527] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.402980][ T527] ? vprintk_emit+0x320/0x3e0 [ 13.402983][ T527] vprintk_emit+0x37c/0x3e0 [ 13.402986][ T527] ? wake_up_klogd_work_func+0x90/0x90 [ 13.402988][ T527] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.402990][ T527] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.402995][ T527] _printk+0xc7/0x100 [ 13.403004][ T527] ? snapshot_read.cold+0x21/0x21 [ 13.403009][ T527] ? lock_acquire.part.0+0xd4/0x280 [ 13.403013][ T527] br_set_state+0x22f/0x430 [ 13.403018][ T527] br_init_port+0xc4/0x200 [ 13.403020][ T527] br_stp_enable_port+0x12/0x50 [ 13.403022][ T527] br_device_event+0x605/0x8f0 [ 13.403025][ T527] ? packet_sendmsg_spkt+0x1360/0x1360 [ 13.403027][ T527] ? nlmsg_notify+0x62/0x250 [ 13.403034][ T527] notifier_call_chain+0xae/0x300 [ 13.403040][ T527] __dev_notify_flags+0x1b7/0x450 [ 13.403045][ T527] ? netif_change_name+0x8c0/0x8c0 [ 13.403049][ T527] ? netif_set_allmulti+0x2c0/0x2c0 [ 13.403051][ T527] ? kernel_text_address+0x149/0x170 [ 13.403054][ T527] ? __kernel_text_address+0x12/0x30 [ 13.403055][ T527] ? write_profile+0xf0/0xf0 [ 13.403061][ T527] netif_change_flags+0xfe/0x190 [ 13.403064][ T527] do_setlink.isra.0+0x1d25/0x2a60 [ 13.403068][ T527] ? stack_trace_save+0x93/0xc0 [ 13.403070][ T527] ? rtnl_link_get_size+0x350/0x350 [ 13.403071][ T527] ? rcu_read_lock_any_held+0x66/0x90 [ 13.403073][ T527] ? stack_depot_save_flags+0x38e/0x790 [ 13.403076][ T527] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.403078][ T527] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.403080][ T527] ? validate_chain+0x38b/0xc20 [ 13.403082][ T527] ? kasan_save_stack+0x3d/0x50 [ 13.403085][ T527] ? kasan_save_stack+0x2f/0x50 [ 13.403086][ T527] ? kasan_save_track+0x14/0x30 [ 13.403087][ T527] ? __kasan_kmalloc+0x7b/0x90 [ 13.403089][ T527] ? __lock_acquire+0x518/0xc20 [ 13.403091][ T527] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 13.403094][ T527] ? ___sys_sendmsg+0xd0/0x1d0 [ 13.403098][ T527] ? lock_acquire.part.0+0xd4/0x280 [ 13.403100][ T527] ? rtnl_newlink+0x9a8/0x11b0 [ 13.403102][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.403104][ T527] ? lock_acquire+0x13c/0x160 [ 13.403105][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.403107][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.403108][ T527] ? trace_contention_end+0xb3/0x180 [ 13.403111][ T527] ? __mutex_lock+0x1db/0x1ea0 [ 13.403113][ T527] ? __mutex_lock+0x9a3/0x1ea0 [ 13.403115][ T527] ? rtnl_newlink+0x9a8/0x11b0 [ 13.403119][ T527] ? ww_mutex_lock+0x160/0x160 [ 13.403122][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.403124][ T527] ? __rtnl_newlink+0x3fa/0xa50 [ 13.403130][ T527] rtnl_newlink+0x9f1/0x11b0 [ 13.403135][ T527] ? rtnl_bridge_getlink+0x850/0x850 [ 13.403137][ T527] ? __lock_acquire+0x518/0xc20 [ 13.403141][ T527] ? lock_acquire.part.0+0xd4/0x280 [ 13.403143][ T527] ? find_held_lock+0x2b/0x80 [ 13.403145][ T527] ? rtnl_bridge_getlink+0x850/0x850 [ 13.403147][ T527] ? __lock_release.isra.0+0x69/0x1a0 [ 13.403151][ T527] ? rtnl_bridge_getlink+0x850/0x850 [ 13.403153][ T527] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.403156][ T527] ? rtnl_link_fill+0x920/0x920 [ 13.403157][ T527] ? __lock_acquire+0x518/0xc20 [ 13.403162][ T527] ? lock_acquire.part.0+0xd4/0x280 [ 13.403164][ T527] ? find_held_lock+0x2b/0x80 [ 13.403167][ T527] netlink_rcv_skb+0x14e/0x3a0 [ 13.403169][ T527] ? rtnl_link_fill+0x920/0x920 [ 13.403172][ T527] ? netlink_ack+0xcf0/0xcf0 [ 13.403178][ T527] ? netlink_deliver_tap+0xc5/0x330 [ 13.403180][ T527] ? netlink_deliver_tap+0x13c/0x330 [ 13.403185][ T527] netlink_unicast+0x486/0x750 [ 13.403189][ T527] ? netlink_attachskb+0x810/0x810 [ 13.403191][ T527] ? find_held_lock+0x2b/0x80 [ 13.403196][ T527] netlink_sendmsg+0x75b/0xc90 [ 13.403200][ T527] ? netlink_unicast+0x750/0x750 [ 13.403203][ T527] ? __lock_release.isra.0+0x69/0x1a0 [ 13.403205][ T527] ? __import_iovec+0x36c/0x620 [ 13.403210][ T527] __sock_sendmsg+0xce/0x190 [ 13.403213][ T527] ____sys_sendmsg+0x61a/0x860 [ 13.403215][ T527] ? copy_msghdr_from_user+0x279/0x420 [ 13.403218][ T527] ? sock_write_iter+0x400/0x400 [ 13.403219][ T527] ? move_addr_to_kernel+0x40/0x40 [ 13.403227][ T527] ___sys_sendmsg+0x14e/0x1d0 [ 13.403230][ T527] ? copy_msghdr_from_user+0x420/0x420 [ 13.403247][ T527] __sys_sendmsg+0x12c/0x1d0 [ 13.403250][ T527] ? __sys_sendmsg_sock+0x20/0x20 [ 13.403256][ T527] ? rcu_is_watching+0x16/0xd0 [ 13.403259][ T527] do_syscall_64+0xff/0x530 [ 13.403262][ T527] ? exc_page_fault+0xee/0x100 [ 13.403265][ T527] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.403267][ T527] RIP: 0033:0x7f947b64454e [ 13.403269][ T527] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 13.403271][ T527] RSP: 002b:00007fffd5c34970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.403273][ T527] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f947b64454e [ 13.403275][ T527] RDX: 0000000000000000 RSI: 00007fffd5c34a20 RDI: 0000000000000005 [ 13.403275][ T527] RBP: 00007fffd5c34980 R08: 0000000000000000 R09: 0000000000000000 [ 13.403276][ T527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b07a [ 13.403277][ T527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd5c350e0 [ 13.403284][ T527] [ 13.441410][ T527] br: port 2(d2) entered forwarding state [ 13.488637][ T39] br: port 1(d1) entered blocking state [ 13.489102][ T39] br: port 1(d1) entered forwarding state [ 13.580754][ T537] br: port 1(d1) entered disabled state [ 13.668497][ T545] br: port 2(d2) entered disabled state [ 13.760203][ T553] br: port 3(d3) entered disabled state [ 14.147865][ T39] br: port 3(d3) entered blocking state [ 14.157436][ T39] br: port 3(d3) entered forwarding state [ 14.179140][ T38] br: port 2(d2) entered blocking state [ 14.179382][ T38] br: port 2(d2) entered forwarding state [ 14.217448][ T36] br: port 1(d1) entered blocking state [ 14.217826][ T36] br: port 1(d1) entered forwarding state [ 15.038459][ T649] br: port 1(d1) entered disabled state [ 15.038478][ T649] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.038480][ T649] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 649, name: ip [ 15.038482][ T649] preempt_count: 202, expected: 0 [ 15.038483][ T649] RCU nest depth: 0, expected: 0 [ 15.038484][ T649] locks held by ip/649: 6, last CPU#1: [ 15.038486][ T649] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 15.038497][ T649] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 15.038503][ T649] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.038508][ T649] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.038512][ T649] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.038515][ T649] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.038519][ T649] irq event stamp: 22047 [ 15.038520][ T649] hardirqs last enabled at (22046): [] __down_trylock_console_sem+0x86/0xa0 [ 15.038523][ T649] hardirqs last disabled at (22047): [] console_emit_next_record+0x3d4/0x4c0 [ 15.038525][ T649] softirqs last enabled at (22030): [] ipv6_mc_down+0x134/0x2d0 [ 15.038528][ T649] softirqs last disabled at (22042): [] br_device_event+0x1d7/0x8f0 [ 15.038530][ T649] Preemption disabled at: [ 15.038531][ T649] [<0000000000000000>] 0x0 [ 15.038538][ T649] CPU: 1 UID: 0 PID: 649 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.038541][ T649] Tainted: [W]=WARN [ 15.038542][ T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.038544][ T649] Call Trace: [ 15.038545][ T649] [ 15.038547][ T649] dump_stack_lvl+0x6f/0xa0 [ 15.038553][ T649] __might_resched.cold+0x1fe/0x2c1 [ 15.038558][ T649] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.038562][ T649] ? __kmalloc_noprof+0xdb/0x760 [ 15.038566][ T649] __kmalloc_noprof+0x443/0x760 [ 15.038568][ T649] ? alloc_buf.isra.0+0x4b/0x260 [ 15.038575][ T649] ? do_raw_spin_unlock+0x59/0x250 [ 15.038577][ T649] alloc_buf.isra.0+0x4b/0x260 [ 15.038581][ T649] put_chars+0x1e1/0x2f0 [ 15.038583][ T649] ? __send_to_port+0x420/0x420 [ 15.038590][ T649] hvc_console_print+0x292/0x780 [ 15.038597][ T649] ? hvc_write+0x3a0/0x3a0 [ 15.038601][ T649] ? lock_acquire+0x13c/0x160 [ 15.038605][ T649] console_emit_next_record+0x22f/0x4c0 [ 15.038609][ T649] ? devkmsg_read+0x4b0/0x4b0 [ 15.038611][ T649] ? console_flush_one_record+0x106/0x710 [ 15.038614][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038617][ T649] ? lock_acquire+0x13c/0x160 [ 15.038621][ T649] console_flush_one_record+0x46f/0x710 [ 15.038625][ T649] ? console_emit_next_record+0x4c0/0x4c0 [ 15.038627][ T649] ? __lock_acquire+0x518/0xc20 [ 15.038632][ T649] console_unlock+0xee/0x1f0 [ 15.038635][ T649] ? console_flush_one_record+0x710/0x710 [ 15.038637][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038638][ T649] ? lock_acquire+0xe0/0x160 [ 15.038642][ T649] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.038644][ T649] ? vprintk_emit+0x320/0x3e0 [ 15.038647][ T649] vprintk_emit+0x37c/0x3e0 [ 15.038650][ T649] ? wake_up_klogd_work_func+0x90/0x90 [ 15.038651][ T649] ? mark_held_locks+0x40/0x70 [ 15.038653][ T649] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.038655][ T649] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.038660][ T649] _printk+0xc7/0x100 [ 15.038663][ T649] ? snapshot_read.cold+0x21/0x21 [ 15.038674][ T649] br_set_state+0x22f/0x430 [ 15.038679][ T649] br_stp_disable_port+0x11f/0x390 [ 15.038682][ T649] br_device_event+0x7b5/0x8f0 [ 15.038685][ T649] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 15.038688][ T649] ? packet_sendmsg_spkt+0x1360/0x1360 [ 15.038694][ T649] notifier_call_chain+0xae/0x300 [ 15.038700][ T649] __dev_notify_flags+0x23c/0x450 [ 15.038705][ T649] ? netif_change_name+0x8c0/0x8c0 [ 15.038709][ T649] ? netif_set_allmulti+0x2c0/0x2c0 [ 15.038710][ T649] ? kernel_text_address+0xaf/0x170 [ 15.038714][ T649] ? __kernel_text_address+0x12/0x30 [ 15.038715][ T649] ? write_profile+0xf0/0xf0 [ 15.038720][ T649] netif_change_flags+0xfe/0x190 [ 15.038724][ T649] do_setlink.isra.0+0x1d25/0x2a60 [ 15.038727][ T649] ? stack_trace_save+0x93/0xc0 [ 15.038730][ T649] ? rtnl_link_get_size+0x350/0x350 [ 15.038731][ T649] ? rcu_read_lock_any_held+0x66/0x90 [ 15.038733][ T649] ? stack_depot_save_flags+0x38e/0x790 [ 15.038736][ T649] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.038738][ T649] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.038740][ T649] ? validate_chain+0x38b/0xc20 [ 15.038742][ T649] ? kasan_save_stack+0x3d/0x50 [ 15.038745][ T649] ? kasan_save_stack+0x2f/0x50 [ 15.038746][ T649] ? kasan_save_track+0x14/0x30 [ 15.038747][ T649] ? __kasan_kmalloc+0x7b/0x90 [ 15.038749][ T649] ? __lock_acquire+0x518/0xc20 [ 15.038751][ T649] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 15.038754][ T649] ? ___sys_sendmsg+0xd0/0x1d0 [ 15.038758][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 15.038760][ T649] ? rtnl_newlink+0x9a8/0x11b0 [ 15.038762][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038764][ T649] ? lock_acquire+0x13c/0x160 [ 15.038765][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038766][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038768][ T649] ? trace_contention_end+0xb3/0x180 [ 15.038770][ T649] ? __mutex_lock+0x1db/0x1ea0 [ 15.038772][ T649] ? __mutex_lock+0x9a3/0x1ea0 [ 15.038774][ T649] ? rtnl_newlink+0x9a8/0x11b0 [ 15.038777][ T649] ? ww_mutex_lock+0x160/0x160 [ 15.038781][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038783][ T649] ? __rtnl_newlink+0x3fa/0xa50 [ 15.038788][ T649] rtnl_newlink+0x9f1/0x11b0 [ 15.038793][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 15.038795][ T649] ? __lock_acquire+0x518/0xc20 [ 15.038800][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 15.038802][ T649] ? find_held_lock+0x2b/0x80 [ 15.038804][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 15.038806][ T649] ? __lock_release.isra.0+0x69/0x1a0 [ 15.038809][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 15.038811][ T649] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.038815][ T649] ? rtnl_link_fill+0x920/0x920 [ 15.038816][ T649] ? __lock_acquire+0x518/0xc20 [ 15.038820][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 15.038822][ T649] ? find_held_lock+0x2b/0x80 [ 15.038826][ T649] netlink_rcv_skb+0x14e/0x3a0 [ 15.038829][ T649] ? rtnl_link_fill+0x920/0x920 [ 15.038832][ T649] ? netlink_ack+0xcf0/0xcf0 [ 15.038838][ T649] ? netlink_deliver_tap+0xc5/0x330 [ 15.038840][ T649] ? netlink_deliver_tap+0x13c/0x330 [ 15.038844][ T649] netlink_unicast+0x486/0x750 [ 15.038848][ T649] ? netlink_attachskb+0x810/0x810 [ 15.038851][ T649] ? find_held_lock+0x2b/0x80 [ 15.038855][ T649] netlink_sendmsg+0x75b/0xc90 [ 15.038859][ T649] ? netlink_unicast+0x750/0x750 [ 15.038863][ T649] ? __lock_release.isra.0+0x69/0x1a0 [ 15.038864][ T649] ? __import_iovec+0x36c/0x620 [ 15.038870][ T649] __sock_sendmsg+0xce/0x190 [ 15.038872][ T649] ____sys_sendmsg+0x61a/0x860 [ 15.038874][ T649] ? copy_msghdr_from_user+0x279/0x420 [ 15.038877][ T649] ? sock_write_iter+0x400/0x400 [ 15.038878][ T649] ? move_addr_to_kernel+0x40/0x40 [ 15.038886][ T649] ___sys_sendmsg+0x14e/0x1d0 [ 15.038888][ T649] ? copy_msghdr_from_user+0x420/0x420 [ 15.038904][ T649] __sys_sendmsg+0x12c/0x1d0 [ 15.038907][ T649] ? __sys_sendmsg_sock+0x20/0x20 [ 15.038914][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.038917][ T649] do_syscall_64+0xff/0x530 [ 15.038920][ T649] ? exc_page_fault+0xee/0x100 [ 15.038922][ T649] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.038925][ T649] RIP: 0033:0x7f7f3473354e [ 15.038927][ T649] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 15.038929][ T649] RSP: 002b:00007fff66205160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.038931][ T649] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f3473354e [ 15.038933][ T649] RDX: 0000000000000000 RSI: 00007fff66205210 RDI: 0000000000000005 [ 15.038933][ T649] RBP: 00007fff66205170 R08: 0000000000000000 R09: 0000000000000000 [ 15.038934][ T649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b07c [ 15.038935][ T649] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff662058d0 [ 15.038942][ T649] [ 15.488532][ T687] br: port 1(d1) entered blocking state [ 15.488831][ T687] br: port 1(d1) entered forwarding state [ 15.577868][ T695] br: port 2(d2) entered disabled state [ 15.961633][ T733] br: port 2(d2) entered blocking state [ 15.962131][ T733] br: port 2(d2) entered forwarding state [ 16.049211][ T741] br: port 1(d1) entered disabled state [ 16.049231][ T741] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.049233][ T741] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 741, name: ip [ 16.049235][ T741] preempt_count: 202, expected: 0 [ 16.049236][ T741] RCU nest depth: 0, expected: 0 [ 16.049237][ T741] locks held by ip/741: 6, last CPU#2: [ 16.049239][ T741] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 16.049251][ T741] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 16.049256][ T741] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.049261][ T741] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.049266][ T741] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.049269][ T741] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.049273][ T741] irq event stamp: 16137 [ 16.049274][ T741] hardirqs last enabled at (16136): [] __down_trylock_console_sem+0x86/0xa0 [ 16.049277][ T741] hardirqs last disabled at (16137): [] console_emit_next_record+0x3d4/0x4c0 [ 16.049280][ T741] softirqs last enabled at (16120): [] ipv6_mc_down+0x134/0x2d0 [ 16.049282][ T741] softirqs last disabled at (16132): [] br_device_event+0x1d7/0x8f0 [ 16.049285][ T741] Preemption disabled at: [ 16.049285][ T741] [<0000000000000000>] 0x0 [ 16.049292][ T741] CPU: 2 UID: 0 PID: 741 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.049295][ T741] Tainted: [W]=WARN [ 16.049296][ T741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.049298][ T741] Call Trace: [ 16.049300][ T741] [ 16.049301][ T741] dump_stack_lvl+0x6f/0xa0 [ 16.049308][ T741] __might_resched.cold+0x1fe/0x2c1 [ 16.049312][ T741] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.049316][ T741] ? __kmalloc_noprof+0xdb/0x760 [ 16.049321][ T741] __kmalloc_noprof+0x443/0x760 [ 16.049323][ T741] ? alloc_buf.isra.0+0x4b/0x260 [ 16.049329][ T741] ? do_raw_spin_unlock+0x59/0x250 [ 16.049332][ T741] alloc_buf.isra.0+0x4b/0x260 [ 16.049335][ T741] put_chars+0x1e1/0x2f0 [ 16.049338][ T741] ? __send_to_port+0x420/0x420 [ 16.049344][ T741] hvc_console_print+0x292/0x780 [ 16.049352][ T741] ? hvc_write+0x3a0/0x3a0 [ 16.049355][ T741] ? lock_acquire+0x13c/0x160 [ 16.049360][ T741] console_emit_next_record+0x22f/0x4c0 [ 16.049364][ T741] ? devkmsg_read+0x4b0/0x4b0 [ 16.049366][ T741] ? console_flush_one_record+0x106/0x710 [ 16.049369][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049372][ T741] ? lock_acquire+0x13c/0x160 [ 16.049376][ T741] console_flush_one_record+0x46f/0x710 [ 16.049380][ T741] ? console_emit_next_record+0x4c0/0x4c0 [ 16.049382][ T741] ? __lock_acquire+0x518/0xc20 [ 16.049388][ T741] console_unlock+0xee/0x1f0 [ 16.049391][ T741] ? console_flush_one_record+0x710/0x710 [ 16.049392][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049394][ T741] ? lock_acquire+0xe0/0x160 [ 16.049398][ T741] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.049400][ T741] ? vprintk_emit+0x320/0x3e0 [ 16.049403][ T741] vprintk_emit+0x37c/0x3e0 [ 16.049406][ T741] ? wake_up_klogd_work_func+0x90/0x90 [ 16.049407][ T741] ? mark_held_locks+0x40/0x70 [ 16.049410][ T741] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.049412][ T741] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.049416][ T741] _printk+0xc7/0x100 [ 16.049419][ T741] ? snapshot_read.cold+0x21/0x21 [ 16.049427][ T741] br_set_state+0x22f/0x430 [ 16.049432][ T741] br_stp_disable_port+0x11f/0x390 [ 16.049436][ T741] br_device_event+0x7b5/0x8f0 [ 16.049438][ T741] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 16.049442][ T741] ? packet_sendmsg_spkt+0x1360/0x1360 [ 16.049447][ T741] notifier_call_chain+0xae/0x300 [ 16.049453][ T741] __dev_notify_flags+0x23c/0x450 [ 16.049458][ T741] ? netif_change_name+0x8c0/0x8c0 [ 16.049462][ T741] ? netif_set_allmulti+0x2c0/0x2c0 [ 16.049465][ T741] ? __kernel_text_address+0x12/0x30 [ 16.049468][ T741] ? write_profile+0xf0/0xf0 [ 16.049473][ T741] netif_change_flags+0xfe/0x190 [ 16.049477][ T741] do_setlink.isra.0+0x1d25/0x2a60 [ 16.049480][ T741] ? stack_trace_save+0x93/0xc0 [ 16.049482][ T741] ? rtnl_link_get_size+0x350/0x350 [ 16.049484][ T741] ? rcu_read_lock_any_held+0x66/0x90 [ 16.049486][ T741] ? stack_depot_save_flags+0x38e/0x790 [ 16.049489][ T741] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.049491][ T741] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.049493][ T741] ? validate_chain+0x38b/0xc20 [ 16.049495][ T741] ? kasan_save_stack+0x3d/0x50 [ 16.049497][ T741] ? kasan_save_stack+0x2f/0x50 [ 16.049499][ T741] ? kasan_save_track+0x14/0x30 [ 16.049500][ T741] ? __kasan_kmalloc+0x7b/0x90 [ 16.049502][ T741] ? __lock_acquire+0x518/0xc20 [ 16.049504][ T741] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 16.049507][ T741] ? ___sys_sendmsg+0xd0/0x1d0 [ 16.049511][ T741] ? lock_acquire.part.0+0xd4/0x280 [ 16.049513][ T741] ? rtnl_newlink+0x9a8/0x11b0 [ 16.049515][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049517][ T741] ? lock_acquire+0x13c/0x160 [ 16.049519][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049520][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049522][ T741] ? trace_contention_end+0xb3/0x180 [ 16.049524][ T741] ? __mutex_lock+0x1db/0x1ea0 [ 16.049526][ T741] ? __mutex_lock+0x9a3/0x1ea0 [ 16.049528][ T741] ? rtnl_newlink+0x9a8/0x11b0 [ 16.049531][ T741] ? ww_mutex_lock+0x160/0x160 [ 16.049535][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049537][ T741] ? __rtnl_newlink+0x3fa/0xa50 [ 16.049542][ T741] rtnl_newlink+0x9f1/0x11b0 [ 16.049548][ T741] ? rtnl_bridge_getlink+0x850/0x850 [ 16.049550][ T741] ? __lock_acquire+0x518/0xc20 [ 16.049554][ T741] ? lock_acquire.part.0+0xd4/0x280 [ 16.049556][ T741] ? find_held_lock+0x2b/0x80 [ 16.049558][ T741] ? rtnl_bridge_getlink+0x850/0x850 [ 16.049560][ T741] ? __lock_release.isra.0+0x69/0x1a0 [ 16.049564][ T741] ? rtnl_bridge_getlink+0x850/0x850 [ 16.049566][ T741] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.049570][ T741] ? rtnl_link_fill+0x920/0x920 [ 16.049571][ T741] ? __lock_acquire+0x518/0xc20 [ 16.049576][ T741] ? lock_acquire.part.0+0xd4/0x280 [ 16.049578][ T741] ? find_held_lock+0x2b/0x80 [ 16.049581][ T741] netlink_rcv_skb+0x14e/0x3a0 [ 16.049584][ T741] ? rtnl_link_fill+0x920/0x920 [ 16.049587][ T741] ? netlink_ack+0xcf0/0xcf0 [ 16.049594][ T741] ? netlink_deliver_tap+0xc5/0x330 [ 16.049596][ T741] ? netlink_deliver_tap+0x13c/0x330 [ 16.049600][ T741] netlink_unicast+0x486/0x750 [ 16.049604][ T741] ? netlink_attachskb+0x810/0x810 [ 16.049607][ T741] ? find_held_lock+0x2b/0x80 [ 16.049611][ T741] netlink_sendmsg+0x75b/0xc90 [ 16.049615][ T741] ? netlink_unicast+0x750/0x750 [ 16.049619][ T741] ? __lock_release.isra.0+0x69/0x1a0 [ 16.049621][ T741] ? __import_iovec+0x36c/0x620 [ 16.049627][ T741] __sock_sendmsg+0xce/0x190 [ 16.049629][ T741] ____sys_sendmsg+0x61a/0x860 [ 16.049632][ T741] ? copy_msghdr_from_user+0x279/0x420 [ 16.049634][ T741] ? sock_write_iter+0x400/0x400 [ 16.049636][ T741] ? move_addr_to_kernel+0x40/0x40 [ 16.049643][ T741] ___sys_sendmsg+0x14e/0x1d0 [ 16.049646][ T741] ? copy_msghdr_from_user+0x420/0x420 [ 16.049662][ T741] __sys_sendmsg+0x12c/0x1d0 [ 16.049665][ T741] ? __sys_sendmsg_sock+0x20/0x20 [ 16.049672][ T741] ? rcu_is_watching+0x16/0xd0 [ 16.049675][ T741] do_syscall_64+0xff/0x530 [ 16.049678][ T741] ? exc_page_fault+0xee/0x100 [ 16.049681][ T741] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.049683][ T741] RIP: 0033:0x7fe1cf4ad54e [ 16.049685][ T741] 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 [ 16.049687][ T741] RSP: 002b:00007ffe5c2c9460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.049689][ T741] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe1cf4ad54e [ 16.049691][ T741] RDX: 0000000000000000 RSI: 00007ffe5c2c9510 RDI: 0000000000000005 [ 16.049691][ T741] RBP: 00007ffe5c2c9470 R08: 0000000000000000 R09: 0000000000000000 [ 16.049692][ T741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b07d [ 16.049693][ T741] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5c2c9bd0 [ 16.049700][ T741] [ 16.199435][ T749] br: port 2(d2) entered disabled state [ 16.587330][ T787] br: port 2(d2) entered blocking state [ 16.587619][ T787] br: port 2(d2) entered forwarding state [ 16.616966][ T39] br: port 1(d1) entered blocking state [ 16.617238][ T39] br: port 1(d1) entered forwarding state [ 16.695508][ T797] br: port 1(d1) entered disabled state [ 16.771719][ T805] br: port 2(d2) entered disabled state [ 16.867658][ T813] br: port 3(d3) entered disabled state [ 17.429532][ T36] br: port 3(d3) entered blocking state [ 17.429556][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.429558][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 17.429560][ T36] preempt_count: 202, expected: 0 [ 17.429562][ T36] RCU nest depth: 0, expected: 0 [ 17.429563][ T36] locks held by kworker/u17:0/36: 8, last CPU#1: [ 17.429566][ T36] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.429582][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.429588][ T36] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 17.429596][ T36] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 17.429603][ T36] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.429609][ T36] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.429615][ T36] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.429621][ T36] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.429627][ T36] irq event stamp: 130103 [ 17.429629][ T36] hardirqs last enabled at (130102): [] __down_trylock_console_sem+0x86/0xa0 [ 17.429633][ T36] hardirqs last disabled at (130103): [] console_emit_next_record+0x3d4/0x4c0 [ 17.429636][ T36] softirqs last enabled at (130064): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 17.429640][ T36] softirqs last disabled at (130098): [] br_port_carrier_check+0x161/0x430 [ 17.429643][ T36] Preemption disabled at: [ 17.429644][ T36] [<0000000000000000>] 0x0 [ 17.429653][ T36] CPU: 1 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.429657][ T36] Tainted: [W]=WARN [ 17.429659][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.429661][ T36] Workqueue: events_unbound linkwatch_event [ 17.429666][ T36] Call Trace: [ 17.429668][ T36] [ 17.429671][ T36] dump_stack_lvl+0x6f/0xa0 [ 17.429680][ T36] __might_resched.cold+0x1fe/0x2c1 [ 17.429686][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.429692][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 17.429699][ T36] __kmalloc_noprof+0x443/0x760 [ 17.429703][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 17.429713][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 17.429717][ T36] alloc_buf.isra.0+0x4b/0x260 [ 17.429728][ T36] put_chars+0x1e1/0x2f0 [ 17.429733][ T36] ? __send_to_port+0x420/0x420 [ 17.429738][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.429742][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.429746][ T36] ? validate_chain+0x38b/0xc20 [ 17.429754][ T36] hvc_console_print+0x292/0x780 [ 17.429759][ T36] ? mark_usage+0x61/0x170 [ 17.429762][ T36] ? __lock_acquire+0x518/0xc20 [ 17.429764][ T36] ? __lock_acquire+0x518/0xc20 [ 17.429772][ T36] ? hvc_write+0x3a0/0x3a0 [ 17.429775][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 17.429783][ T36] ? lock_acquire+0x13c/0x160 [ 17.429791][ T36] console_emit_next_record+0x22f/0x4c0 [ 17.429797][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 17.429800][ T36] ? console_flush_one_record+0x106/0x710 [ 17.429806][ T36] ? rcu_is_watching+0x16/0xd0 [ 17.429809][ T36] ? lock_acquire+0x13c/0x160 [ 17.429816][ T36] console_flush_one_record+0x46f/0x710 [ 17.429824][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 17.429827][ T36] ? __lock_acquire+0x518/0xc20 [ 17.429837][ T36] console_unlock+0xee/0x1f0 [ 17.429842][ T36] ? console_flush_one_record+0x710/0x710 [ 17.429844][ T36] ? rcu_is_watching+0x16/0xd0 [ 17.429847][ T36] ? lock_acquire+0xe0/0x160 [ 17.429854][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.429857][ T36] ? vprintk_emit+0x320/0x3e0 [ 17.429862][ T36] vprintk_emit+0x37c/0x3e0 [ 17.429868][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 17.429872][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.429875][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.429883][ T36] _printk+0xc7/0x100 [ 17.429888][ T36] ? snapshot_read.cold+0x21/0x21 [ 17.429898][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 17.429905][ T36] br_set_state+0x22f/0x430 [ 17.429912][ T36] br_init_port+0xc4/0x200 [ 17.429916][ T36] br_stp_enable_port+0x12/0x50 [ 17.429919][ T36] br_port_carrier_check+0x220/0x430 [ 17.429926][ T36] br_device_event+0x52d/0x8f0 [ 17.429931][ T36] ? packet_sendmsg_spkt+0x1360/0x1360 [ 17.429934][ T36] ? nlmsg_notify+0x62/0x250 [ 17.429944][ T36] notifier_call_chain+0xae/0x300 [ 17.429954][ T36] netif_state_change+0x139/0x3d0 [ 17.429962][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 17.429970][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 17.429974][ T36] __linkwatch_run_queue+0x350/0x850 [ 17.429979][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 17.429984][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 17.429992][ T36] linkwatch_event+0x7f/0xb0 [ 17.429995][ T36] ? __linkwatch_run_queue+0x850/0x850 [ 17.430002][ T36] process_one_work+0xe3e/0x1560 [ 17.430014][ T36] ? __queue_delayed_work+0x470/0x470 [ 17.430025][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 17.430040][ T36] worker_thread+0x4f1/0xd60 [ 17.430053][ T36] ? rescuer_thread+0x1340/0x1340 [ 17.430056][ T36] kthread+0x367/0x460 [ 17.430059][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.430064][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.430069][ T36] ret_from_fork+0x474/0x6b0 [ 17.430075][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.430081][ T36] ? __switch_to+0x5a3/0xe00 [ 17.430086][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.430091][ T36] ret_from_fork_asm+0x11/0x20 [ 17.430106][ T36] [ 17.468895][ T36] br: port 3(d3) entered forwarding state [ 17.504079][ T38] br: port 2(d2) entered blocking state [ 17.504374][ T38] br: port 2(d2) entered forwarding state [ 17.545147][ T38] br: port 1(d1) entered blocking state [ 17.545443][ T38] br: port 1(d1) entered forwarding state [ 18.479523][ T930] br: port 1(d1) entered disabled state [ 18.479546][ T930] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.479549][ T930] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 930, name: ip [ 18.479551][ T930] preempt_count: 202, expected: 0 [ 18.479552][ T930] RCU nest depth: 0, expected: 0 [ 18.479554][ T930] locks held by ip/930: 6, last CPU#3: [ 18.479556][ T930] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 18.479570][ T930] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 18.479578][ T930] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.479585][ T930] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.479591][ T930] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.479597][ T930] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.479603][ T930] irq event stamp: 17165 [ 18.479605][ T930] hardirqs last enabled at (17164): [] __down_trylock_console_sem+0x86/0xa0 [ 18.479609][ T930] hardirqs last disabled at (17165): [] console_emit_next_record+0x3d4/0x4c0 [ 18.479612][ T930] softirqs last enabled at (17148): [] ipv6_mc_down+0x134/0x2d0 [ 18.479616][ T930] softirqs last disabled at (17160): [] br_device_event+0x1d7/0x8f0 [ 18.479619][ T930] Preemption disabled at: [ 18.479620][ T930] [<0000000000000000>] 0x0 [ 18.479628][ T930] CPU: 3 UID: 0 PID: 930 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.479633][ T930] Tainted: [W]=WARN [ 18.479634][ T930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.479636][ T930] Call Trace: [ 18.479639][ T930] [ 18.479641][ T930] dump_stack_lvl+0x6f/0xa0 [ 18.479649][ T930] __might_resched.cold+0x1fe/0x2c1 [ 18.479655][ T930] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.479661][ T930] ? __kmalloc_noprof+0xdb/0x760 [ 18.479667][ T930] __kmalloc_noprof+0x443/0x760 [ 18.479670][ T930] ? alloc_buf.isra.0+0x4b/0x260 [ 18.479680][ T930] ? do_raw_spin_unlock+0x59/0x250 [ 18.479683][ T930] alloc_buf.isra.0+0x4b/0x260 [ 18.479689][ T930] put_chars+0x1e1/0x2f0 [ 18.479693][ T930] ? __send_to_port+0x420/0x420 [ 18.479704][ T930] hvc_console_print+0x292/0x780 [ 18.479716][ T930] ? hvc_write+0x3a0/0x3a0 [ 18.479721][ T930] ? lock_acquire+0x13c/0x160 [ 18.479732][ T930] console_emit_next_record+0x22f/0x4c0 [ 18.479738][ T930] ? devkmsg_read+0x4b0/0x4b0 [ 18.479741][ T930] ? console_flush_one_record+0x106/0x710 [ 18.479746][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.479750][ T930] ? lock_acquire+0x13c/0x160 [ 18.479757][ T930] console_flush_one_record+0x46f/0x710 [ 18.479764][ T930] ? console_emit_next_record+0x4c0/0x4c0 [ 18.479767][ T930] ? __lock_acquire+0x518/0xc20 [ 18.479776][ T930] console_unlock+0xee/0x1f0 [ 18.479781][ T930] ? console_flush_one_record+0x710/0x710 [ 18.479783][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.479786][ T930] ? lock_acquire+0xe0/0x160 [ 18.479793][ T930] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.479795][ T930] ? vprintk_emit+0x320/0x3e0 [ 18.479800][ T930] vprintk_emit+0x37c/0x3e0 [ 18.479806][ T930] ? wake_up_klogd_work_func+0x90/0x90 [ 18.479808][ T930] ? mark_held_locks+0x40/0x70 [ 18.479812][ T930] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.479815][ T930] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.479823][ T930] _printk+0xc7/0x100 [ 18.479827][ T930] ? snapshot_read.cold+0x21/0x21 [ 18.479841][ T930] br_set_state+0x22f/0x430 [ 18.479848][ T930] br_stp_disable_port+0x11f/0x390 [ 18.479854][ T930] br_device_event+0x7b5/0x8f0 [ 18.479857][ T930] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 18.479862][ T930] ? packet_sendmsg_spkt+0x1360/0x1360 [ 18.479872][ T930] notifier_call_chain+0xae/0x300 [ 18.479882][ T930] __dev_notify_flags+0x23c/0x450 [ 18.479889][ T930] ? netif_change_name+0x8c0/0x8c0 [ 18.479895][ T930] ? netif_set_allmulti+0x2c0/0x2c0 [ 18.479900][ T930] ? __kernel_text_address+0x12/0x30 [ 18.479904][ T930] ? write_profile+0xf0/0xf0 [ 18.479912][ T930] netif_change_flags+0xfe/0x190 [ 18.479918][ T930] do_setlink.isra.0+0x1d25/0x2a60 [ 18.479924][ T930] ? stack_trace_save+0x93/0xc0 [ 18.479927][ T930] ? rtnl_link_get_size+0x350/0x350 [ 18.479930][ T930] ? rcu_read_lock_any_held+0x66/0x90 [ 18.479933][ T930] ? stack_depot_save_flags+0x38e/0x790 [ 18.479937][ T930] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.479940][ T930] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.479943][ T930] ? validate_chain+0x38b/0xc20 [ 18.479947][ T930] ? kasan_save_stack+0x3d/0x50 [ 18.479951][ T930] ? kasan_save_stack+0x2f/0x50 [ 18.479952][ T930] ? kasan_save_track+0x14/0x30 [ 18.479954][ T930] ? __kasan_kmalloc+0x7b/0x90 [ 18.479959][ T930] ? __lock_acquire+0x518/0xc20 [ 18.479961][ T930] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 18.479965][ T930] ? ___sys_sendmsg+0xd0/0x1d0 [ 18.479971][ T930] ? lock_acquire.part.0+0xd4/0x280 [ 18.479974][ T930] ? rtnl_newlink+0x9a8/0x11b0 [ 18.479979][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.479982][ T930] ? lock_acquire+0x13c/0x160 [ 18.479984][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.479986][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.479989][ T930] ? trace_contention_end+0xb3/0x180 [ 18.479993][ T930] ? __mutex_lock+0x1db/0x1ea0 [ 18.479995][ T930] ? __mutex_lock+0x9a3/0x1ea0 [ 18.479998][ T930] ? rtnl_newlink+0x9a8/0x11b0 [ 18.480004][ T930] ? ww_mutex_lock+0x160/0x160 [ 18.480011][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.480015][ T930] ? __rtnl_newlink+0x3fa/0xa50 [ 18.480031][ T930] rtnl_newlink+0x9f1/0x11b0 [ 18.480041][ T930] ? rtnl_bridge_getlink+0x850/0x850 [ 18.480044][ T930] ? __lock_acquire+0x518/0xc20 [ 18.480052][ T930] ? lock_acquire.part.0+0xd4/0x280 [ 18.480055][ T930] ? find_held_lock+0x2b/0x80 [ 18.480058][ T930] ? rtnl_bridge_getlink+0x850/0x850 [ 18.480061][ T930] ? __lock_release.isra.0+0x69/0x1a0 [ 18.480068][ T930] ? rtnl_bridge_getlink+0x850/0x850 [ 18.480071][ T930] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.480077][ T930] ? rtnl_link_fill+0x920/0x920 [ 18.480079][ T930] ? __lock_acquire+0x518/0xc20 [ 18.480086][ T930] ? lock_acquire.part.0+0xd4/0x280 [ 18.480089][ T930] ? find_held_lock+0x2b/0x80 [ 18.480095][ T930] netlink_rcv_skb+0x14e/0x3a0 [ 18.480099][ T930] ? rtnl_link_fill+0x920/0x920 [ 18.480104][ T930] ? netlink_ack+0xcf0/0xcf0 [ 18.480115][ T930] ? netlink_deliver_tap+0xc5/0x330 [ 18.480118][ T930] ? netlink_deliver_tap+0x13c/0x330 [ 18.480126][ T930] netlink_unicast+0x486/0x750 [ 18.480132][ T930] ? netlink_attachskb+0x810/0x810 [ 18.480136][ T930] ? find_held_lock+0x2b/0x80 [ 18.480144][ T930] netlink_sendmsg+0x75b/0xc90 [ 18.480151][ T930] ? netlink_unicast+0x750/0x750 [ 18.480157][ T930] ? __lock_release.isra.0+0x69/0x1a0 [ 18.480159][ T930] ? __import_iovec+0x36c/0x620 [ 18.480168][ T930] __sock_sendmsg+0xce/0x190 [ 18.480173][ T930] ____sys_sendmsg+0x61a/0x860 [ 18.480176][ T930] ? copy_msghdr_from_user+0x279/0x420 [ 18.480180][ T930] ? sock_write_iter+0x400/0x400 [ 18.480182][ T930] ? move_addr_to_kernel+0x40/0x40 [ 18.480196][ T930] ___sys_sendmsg+0x14e/0x1d0 [ 18.480200][ T930] ? copy_msghdr_from_user+0x420/0x420 [ 18.480230][ T930] __sys_sendmsg+0x12c/0x1d0 [ 18.480235][ T930] ? __sys_sendmsg_sock+0x20/0x20 [ 18.480246][ T930] ? rcu_is_watching+0x16/0xd0 [ 18.480252][ T930] do_syscall_64+0xff/0x530 [ 18.480256][ T930] ? exc_page_fault+0xee/0x100 [ 18.480260][ T930] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.480264][ T930] RIP: 0033:0x7f1b04b1754e [ 18.480267][ T930] 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 [ 18.480269][ T930] RSP: 002b:00007ffd9e2833f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.480273][ T930] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1b04b1754e [ 18.480275][ T930] RDX: 0000000000000000 RSI: 00007ffd9e2834a0 RDI: 0000000000000005 [ 18.480276][ T930] RBP: 00007ffd9e283400 R08: 0000000000000000 R09: 0000000000000000 [ 18.480277][ T930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b07f [ 18.480279][ T930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e283b60 [ 18.480292][ T930] [ 18.923341][ T968] br: port 1(d1) entered blocking state [ 18.923793][ T968] br: port 1(d1) entered forwarding state [ 19.020469][ T976] br: port 2(d2) entered disabled state [ 19.392412][ T36] br: port 2(d2) entered blocking state [ 19.401347][ T36] br: port 2(d2) entered forwarding state [ 19.477424][ T1022] br: port 1(d1) entered disabled state [ 19.580651][ T1030] br: port 2(d2) entered disabled state [ 19.580672][ T1030] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.580674][ T1030] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1030, name: ip [ 19.580675][ T1030] preempt_count: 202, expected: 0 [ 19.580676][ T1030] RCU nest depth: 0, expected: 0 [ 19.580677][ T1030] locks held by ip/1030: 6, last CPU#2: [ 19.580679][ T1030] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 19.580692][ T1030] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 19.580697][ T1030] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.580702][ T1030] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.580706][ T1030] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.580710][ T1030] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.580714][ T1030] irq event stamp: 15175 [ 19.580715][ T1030] hardirqs last enabled at (15174): [] __down_trylock_console_sem+0x86/0xa0 [ 19.580718][ T1030] hardirqs last disabled at (15175): [] console_emit_next_record+0x3d4/0x4c0 [ 19.580720][ T1030] softirqs last enabled at (15158): [] ipv6_mc_down+0x134/0x2d0 [ 19.580723][ T1030] softirqs last disabled at (15170): [] br_device_event+0x1d7/0x8f0 [ 19.580727][ T1030] Preemption disabled at: [ 19.580728][ T1030] [<0000000000000000>] 0x0 [ 19.580735][ T1030] CPU: 2 UID: 0 PID: 1030 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.580739][ T1030] Tainted: [W]=WARN [ 19.580740][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.580741][ T1030] Call Trace: [ 19.580743][ T1030] [ 19.580745][ T1030] dump_stack_lvl+0x6f/0xa0 [ 19.580751][ T1030] __might_resched.cold+0x1fe/0x2c1 [ 19.580756][ T1030] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.580760][ T1030] ? __kmalloc_noprof+0xdb/0x760 [ 19.580765][ T1030] __kmalloc_noprof+0x443/0x760 [ 19.580767][ T1030] ? alloc_buf.isra.0+0x4b/0x260 [ 19.580773][ T1030] ? do_raw_spin_unlock+0x59/0x250 [ 19.580776][ T1030] alloc_buf.isra.0+0x4b/0x260 [ 19.580780][ T1030] put_chars+0x1e1/0x2f0 [ 19.580782][ T1030] ? __send_to_port+0x420/0x420 [ 19.580788][ T1030] hvc_console_print+0x292/0x780 [ 19.580796][ T1030] ? hvc_write+0x3a0/0x3a0 [ 19.580799][ T1030] ? lock_acquire+0x13c/0x160 [ 19.580803][ T1030] console_emit_next_record+0x22f/0x4c0 [ 19.580807][ T1030] ? devkmsg_read+0x4b0/0x4b0 [ 19.580809][ T1030] ? console_flush_one_record+0x106/0x710 [ 19.580812][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.580815][ T1030] ? lock_acquire+0x13c/0x160 [ 19.580819][ T1030] console_flush_one_record+0x46f/0x710 [ 19.580823][ T1030] ? console_emit_next_record+0x4c0/0x4c0 [ 19.580825][ T1030] ? __lock_acquire+0x518/0xc20 [ 19.580830][ T1030] console_unlock+0xee/0x1f0 [ 19.580833][ T1030] ? console_flush_one_record+0x710/0x710 [ 19.580835][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.580836][ T1030] ? lock_acquire+0xe0/0x160 [ 19.580840][ T1030] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.580842][ T1030] ? vprintk_emit+0x320/0x3e0 [ 19.580844][ T1030] vprintk_emit+0x37c/0x3e0 [ 19.580847][ T1030] ? wake_up_klogd_work_func+0x90/0x90 [ 19.580849][ T1030] ? mark_held_locks+0x40/0x70 [ 19.580851][ T1030] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.580853][ T1030] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.580857][ T1030] _printk+0xc7/0x100 [ 19.580861][ T1030] ? snapshot_read.cold+0x21/0x21 [ 19.580868][ T1030] br_set_state+0x22f/0x430 [ 19.580873][ T1030] br_stp_disable_port+0x11f/0x390 [ 19.580876][ T1030] br_device_event+0x7b5/0x8f0 [ 19.580878][ T1030] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 19.580883][ T1030] ? packet_sendmsg_spkt+0x1360/0x1360 [ 19.580888][ T1030] notifier_call_chain+0xae/0x300 [ 19.580894][ T1030] __dev_notify_flags+0x23c/0x450 [ 19.580899][ T1030] ? netif_change_name+0x8c0/0x8c0 [ 19.580903][ T1030] ? netif_set_allmulti+0x2c0/0x2c0 [ 19.580906][ T1030] ? __kernel_text_address+0x12/0x30 [ 19.580909][ T1030] ? write_profile+0xf0/0xf0 [ 19.580914][ T1030] netif_change_flags+0xfe/0x190 [ 19.580917][ T1030] do_setlink.isra.0+0x1d25/0x2a60 [ 19.580921][ T1030] ? stack_trace_save+0x93/0xc0 [ 19.580923][ T1030] ? rtnl_link_get_size+0x350/0x350 [ 19.580924][ T1030] ? rcu_read_lock_any_held+0x66/0x90 [ 19.580926][ T1030] ? stack_depot_save_flags+0x38e/0x790 [ 19.580929][ T1030] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.580931][ T1030] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.580933][ T1030] ? validate_chain+0x38b/0xc20 [ 19.580936][ T1030] ? kasan_save_stack+0x3d/0x50 [ 19.580938][ T1030] ? kasan_save_stack+0x2f/0x50 [ 19.580939][ T1030] ? kasan_save_track+0x14/0x30 [ 19.580940][ T1030] ? __kasan_kmalloc+0x7b/0x90 [ 19.580943][ T1030] ? __lock_acquire+0x518/0xc20 [ 19.580945][ T1030] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 19.580947][ T1030] ? ___sys_sendmsg+0xd0/0x1d0 [ 19.580951][ T1030] ? lock_acquire.part.0+0xd4/0x280 [ 19.580953][ T1030] ? rtnl_newlink+0x9a8/0x11b0 [ 19.580956][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.580957][ T1030] ? lock_acquire+0x13c/0x160 [ 19.580959][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.580960][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.580962][ T1030] ? trace_contention_end+0xb3/0x180 [ 19.580964][ T1030] ? __mutex_lock+0x1db/0x1ea0 [ 19.580965][ T1030] ? __mutex_lock+0x9a3/0x1ea0 [ 19.580967][ T1030] ? rtnl_newlink+0x9a8/0x11b0 [ 19.580971][ T1030] ? ww_mutex_lock+0x160/0x160 [ 19.580974][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.580976][ T1030] ? __rtnl_newlink+0x3fa/0xa50 [ 19.580981][ T1030] rtnl_newlink+0x9f1/0x11b0 [ 19.580987][ T1030] ? rtnl_bridge_getlink+0x850/0x850 [ 19.580988][ T1030] ? __lock_acquire+0x518/0xc20 [ 19.580993][ T1030] ? lock_acquire.part.0+0xd4/0x280 [ 19.580995][ T1030] ? find_held_lock+0x2b/0x80 [ 19.580997][ T1030] ? rtnl_bridge_getlink+0x850/0x850 [ 19.580999][ T1030] ? __lock_release.isra.0+0x69/0x1a0 [ 19.581002][ T1030] ? rtnl_bridge_getlink+0x850/0x850 [ 19.581004][ T1030] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.581008][ T1030] ? rtnl_link_fill+0x920/0x920 [ 19.581009][ T1030] ? __lock_acquire+0x518/0xc20 [ 19.581013][ T1030] ? lock_acquire.part.0+0xd4/0x280 [ 19.581015][ T1030] ? find_held_lock+0x2b/0x80 [ 19.581019][ T1030] netlink_rcv_skb+0x14e/0x3a0 [ 19.581022][ T1030] ? rtnl_link_fill+0x920/0x920 [ 19.581029][ T1030] ? netlink_ack+0xcf0/0xcf0 [ 19.581035][ T1030] ? netlink_deliver_tap+0xc5/0x330 [ 19.581038][ T1030] ? netlink_deliver_tap+0x13c/0x330 [ 19.581042][ T1030] netlink_unicast+0x486/0x750 [ 19.581046][ T1030] ? netlink_attachskb+0x810/0x810 [ 19.581048][ T1030] ? find_held_lock+0x2b/0x80 [ 19.581053][ T1030] netlink_sendmsg+0x75b/0xc90 [ 19.581057][ T1030] ? netlink_unicast+0x750/0x750 [ 19.581060][ T1030] ? __lock_release.isra.0+0x69/0x1a0 [ 19.581062][ T1030] ? __import_iovec+0x36c/0x620 [ 19.581068][ T1030] __sock_sendmsg+0xce/0x190 [ 19.581070][ T1030] ____sys_sendmsg+0x61a/0x860 [ 19.581073][ T1030] ? copy_msghdr_from_user+0x279/0x420 [ 19.581075][ T1030] ? sock_write_iter+0x400/0x400 [ 19.581077][ T1030] ? move_addr_to_kernel+0x40/0x40 [ 19.581084][ T1030] ___sys_sendmsg+0x14e/0x1d0 [ 19.581087][ T1030] ? copy_msghdr_from_user+0x420/0x420 [ 19.581103][ T1030] __sys_sendmsg+0x12c/0x1d0 [ 19.581106][ T1030] ? __sys_sendmsg_sock+0x20/0x20 [ 19.581112][ T1030] ? rcu_is_watching+0x16/0xd0 [ 19.581115][ T1030] do_syscall_64+0xff/0x530 [ 19.581118][ T1030] ? exc_page_fault+0xee/0x100 [ 19.581120][ T1030] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.581123][ T1030] RIP: 0033:0x7f98cd5e154e [ 19.581125][ T1030] 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 [ 19.581127][ T1030] RSP: 002b:00007fff2409e950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.581129][ T1030] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f98cd5e154e [ 19.581131][ T1030] RDX: 0000000000000000 RSI: 00007fff2409ea00 RDI: 0000000000000005 [ 19.581132][ T1030] RBP: 00007fff2409e960 R08: 0000000000000000 R09: 0000000000000000 [ 19.581132][ T1030] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b080 [ 19.581133][ T1030] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2409f0c0 [ 19.581140][ T1030] [ 20.025656][ T1068] br: port 2(d2) entered blocking state [ 20.025960][ T1068] br: port 2(d2) entered forwarding state [ 20.056100][ T1070] br: port 1(d1) entered blocking state [ 20.056406][ T1070] br: port 1(d1) entered forwarding state [ 20.153929][ T1078] br: port 1(d1) entered disabled state [ 20.259425][ T1086] br: port 2(d2) entered disabled state [ 20.359346][ T1094] br: port 3(d3) entered disabled state [ 20.754762][ T1132] br: port 3(d3) entered blocking state [ 20.754782][ T1132] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.754785][ T1132] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1132, name: ip [ 20.754786][ T1132] preempt_count: 202, expected: 0 [ 20.754787][ T1132] RCU nest depth: 0, expected: 0 [ 20.754788][ T1132] locks held by ip/1132: 6, last CPU#0: [ 20.754790][ T1132] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 20.754802][ T1132] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 20.754807][ T1132] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.754813][ T1132] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.754817][ T1132] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.754820][ T1132] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.754824][ T1132] irq event stamp: 16597 [ 20.754825][ T1132] hardirqs last enabled at (16596): [] __down_trylock_console_sem+0x86/0xa0 [ 20.754829][ T1132] hardirqs last disabled at (16597): [] console_emit_next_record+0x3d4/0x4c0 [ 20.754831][ T1132] softirqs last enabled at (16558): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 20.754833][ T1132] softirqs last disabled at (16592): [] br_device_event+0x5fd/0x8f0 [ 20.754836][ T1132] Preemption disabled at: [ 20.754836][ T1132] [<0000000000000000>] 0x0 [ 20.754843][ T1132] CPU: 0 UID: 0 PID: 1132 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.754846][ T1132] Tainted: [W]=WARN [ 20.754847][ T1132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.754849][ T1132] Call Trace: [ 20.754851][ T1132] [ 20.754852][ T1132] dump_stack_lvl+0x6f/0xa0 [ 20.754859][ T1132] __might_resched.cold+0x1fe/0x2c1 [ 20.754864][ T1132] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.754868][ T1132] ? __kmalloc_noprof+0xdb/0x760 [ 20.754872][ T1132] __kmalloc_noprof+0x443/0x760 [ 20.754874][ T1132] ? alloc_buf.isra.0+0x4b/0x260 [ 20.754881][ T1132] ? do_raw_spin_unlock+0x59/0x250 [ 20.754884][ T1132] alloc_buf.isra.0+0x4b/0x260 [ 20.754888][ T1132] put_chars+0x1e1/0x2f0 [ 20.754890][ T1132] ? __send_to_port+0x420/0x420 [ 20.754892][ T1132] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.754895][ T1132] ? validate_chain+0x38b/0xc20 [ 20.754901][ T1132] hvc_console_print+0x292/0x780 [ 20.754909][ T1132] ? hvc_write+0x3a0/0x3a0 [ 20.754912][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.754914][ T1132] ? lock_acquire+0x13c/0x160 [ 20.754918][ T1132] console_emit_next_record+0x22f/0x4c0 [ 20.754922][ T1132] ? devkmsg_read+0x4b0/0x4b0 [ 20.754924][ T1132] ? console_flush_one_record+0x106/0x710 [ 20.754927][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.754929][ T1132] ? lock_acquire+0x13c/0x160 [ 20.754933][ T1132] console_flush_one_record+0x46f/0x710 [ 20.754937][ T1132] ? console_emit_next_record+0x4c0/0x4c0 [ 20.754939][ T1132] ? __lock_acquire+0x518/0xc20 [ 20.754945][ T1132] console_unlock+0xee/0x1f0 [ 20.754948][ T1132] ? console_flush_one_record+0x710/0x710 [ 20.754950][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.754951][ T1132] ? lock_acquire+0xe0/0x160 [ 20.754955][ T1132] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.754957][ T1132] ? vprintk_emit+0x320/0x3e0 [ 20.754960][ T1132] vprintk_emit+0x37c/0x3e0 [ 20.754963][ T1132] ? wake_up_klogd_work_func+0x90/0x90 [ 20.754965][ T1132] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.754967][ T1132] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.754972][ T1132] _printk+0xc7/0x100 [ 20.754976][ T1132] ? snapshot_read.cold+0x21/0x21 [ 20.754981][ T1132] ? lock_acquire.part.0+0xd4/0x280 [ 20.754985][ T1132] br_set_state+0x22f/0x430 [ 20.754989][ T1132] br_init_port+0xc4/0x200 [ 20.754992][ T1132] br_stp_enable_port+0x12/0x50 [ 20.754994][ T1132] br_device_event+0x605/0x8f0 [ 20.754997][ T1132] ? packet_sendmsg_spkt+0x1360/0x1360 [ 20.754999][ T1132] ? nlmsg_notify+0x62/0x250 [ 20.755006][ T1132] notifier_call_chain+0xae/0x300 [ 20.755012][ T1132] __dev_notify_flags+0x1b7/0x450 [ 20.755017][ T1132] ? netif_change_name+0x8c0/0x8c0 [ 20.755021][ T1132] ? netif_set_allmulti+0x2c0/0x2c0 [ 20.755023][ T1132] ? kernel_text_address+0x149/0x170 [ 20.755026][ T1132] ? __kernel_text_address+0x12/0x30 [ 20.755028][ T1132] ? write_profile+0xf0/0xf0 [ 20.755038][ T1132] netif_change_flags+0xfe/0x190 [ 20.755042][ T1132] do_setlink.isra.0+0x1d25/0x2a60 [ 20.755046][ T1132] ? stack_trace_save+0x93/0xc0 [ 20.755048][ T1132] ? rtnl_link_get_size+0x350/0x350 [ 20.755049][ T1132] ? rcu_read_lock_any_held+0x66/0x90 [ 20.755051][ T1132] ? stack_depot_save_flags+0x38e/0x790 [ 20.755055][ T1132] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.755056][ T1132] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.755058][ T1132] ? validate_chain+0x38b/0xc20 [ 20.755061][ T1132] ? kasan_save_stack+0x3d/0x50 [ 20.755063][ T1132] ? kasan_save_stack+0x2f/0x50 [ 20.755064][ T1132] ? kasan_save_track+0x14/0x30 [ 20.755066][ T1132] ? __kasan_kmalloc+0x7b/0x90 [ 20.755068][ T1132] ? __lock_acquire+0x518/0xc20 [ 20.755070][ T1132] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 20.755073][ T1132] ? ___sys_sendmsg+0xd0/0x1d0 [ 20.755077][ T1132] ? lock_acquire.part.0+0xd4/0x280 [ 20.755079][ T1132] ? rtnl_newlink+0x9a8/0x11b0 [ 20.755081][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.755083][ T1132] ? lock_acquire+0x13c/0x160 [ 20.755084][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.755086][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.755087][ T1132] ? trace_contention_end+0xb3/0x180 [ 20.755090][ T1132] ? __mutex_lock+0x1db/0x1ea0 [ 20.755092][ T1132] ? __mutex_lock+0x9a3/0x1ea0 [ 20.755094][ T1132] ? rtnl_newlink+0x9a8/0x11b0 [ 20.755098][ T1132] ? ww_mutex_lock+0x160/0x160 [ 20.755101][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.755104][ T1132] ? __rtnl_newlink+0x3fa/0xa50 [ 20.755109][ T1132] rtnl_newlink+0x9f1/0x11b0 [ 20.755114][ T1132] ? rtnl_bridge_getlink+0x850/0x850 [ 20.755116][ T1132] ? __lock_acquire+0x518/0xc20 [ 20.755121][ T1132] ? lock_acquire.part.0+0xd4/0x280 [ 20.755123][ T1132] ? find_held_lock+0x2b/0x80 [ 20.755125][ T1132] ? rtnl_bridge_getlink+0x850/0x850 [ 20.755127][ T1132] ? __lock_release.isra.0+0x69/0x1a0 [ 20.755131][ T1132] ? rtnl_bridge_getlink+0x850/0x850 [ 20.755133][ T1132] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.755136][ T1132] ? rtnl_link_fill+0x920/0x920 [ 20.755138][ T1132] ? __lock_acquire+0x518/0xc20 [ 20.755142][ T1132] ? lock_acquire.part.0+0xd4/0x280 [ 20.755144][ T1132] ? find_held_lock+0x2b/0x80 [ 20.755148][ T1132] netlink_rcv_skb+0x14e/0x3a0 [ 20.755149][ T1132] ? rtnl_link_fill+0x920/0x920 [ 20.755152][ T1132] ? netlink_ack+0xcf0/0xcf0 [ 20.755159][ T1132] ? netlink_deliver_tap+0xc5/0x330 [ 20.755161][ T1132] ? netlink_deliver_tap+0x13c/0x330 [ 20.755166][ T1132] netlink_unicast+0x486/0x750 [ 20.755170][ T1132] ? netlink_attachskb+0x810/0x810 [ 20.755172][ T1132] ? find_held_lock+0x2b/0x80 [ 20.755177][ T1132] netlink_sendmsg+0x75b/0xc90 [ 20.755181][ T1132] ? netlink_unicast+0x750/0x750 [ 20.755185][ T1132] ? __lock_release.isra.0+0x69/0x1a0 [ 20.755186][ T1132] ? __import_iovec+0x36c/0x620 [ 20.755191][ T1132] __sock_sendmsg+0xce/0x190 [ 20.755194][ T1132] ____sys_sendmsg+0x61a/0x860 [ 20.755197][ T1132] ? copy_msghdr_from_user+0x279/0x420 [ 20.755199][ T1132] ? sock_write_iter+0x400/0x400 [ 20.755200][ T1132] ? move_addr_to_kernel+0x40/0x40 [ 20.755208][ T1132] ___sys_sendmsg+0x14e/0x1d0 [ 20.755211][ T1132] ? copy_msghdr_from_user+0x420/0x420 [ 20.755227][ T1132] __sys_sendmsg+0x12c/0x1d0 [ 20.755230][ T1132] ? __sys_sendmsg_sock+0x20/0x20 [ 20.755237][ T1132] ? rcu_is_watching+0x16/0xd0 [ 20.755240][ T1132] do_syscall_64+0xff/0x530 [ 20.755243][ T1132] ? exc_page_fault+0xee/0x100 [ 20.755246][ T1132] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.755248][ T1132] RIP: 0033:0x7fc08394854e [ 20.755250][ T1132] 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 [ 20.755252][ T1132] RSP: 002b:00007ffe318b8740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.755255][ T1132] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc08394854e [ 20.755256][ T1132] RDX: 0000000000000000 RSI: 00007ffe318b87f0 RDI: 0000000000000005 [ 20.755257][ T1132] RBP: 00007ffe318b8750 R08: 0000000000000000 R09: 0000000000000000 [ 20.755258][ T1132] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b082 [ 20.755258][ T1132] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe318b8eb0 [ 20.755266][ T1132] [ 20.793495][ T1132] br: port 3(d3) entered forwarding state [ 20.835424][ T1134] br: port 2(d2) entered blocking state [ 20.835676][ T1134] br: port 2(d2) entered forwarding state [ 20.875124][ T39] br: port 1(d1) entered blocking state [ 20.875393][ T39] br: port 1(d1) entered forwarding state [ 21.691540][ T1193] br: port 1(d1) entered disabled state [ 22.018384][ T1231] br: port 1(d1) entered blocking state [ 22.018405][ T1231] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.018407][ T1231] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1231, name: ip [ 22.018408][ T1231] preempt_count: 202, expected: 0 [ 22.018409][ T1231] RCU nest depth: 0, expected: 0 [ 22.018410][ T1231] locks held by ip/1231: 6, last CPU#3: [ 22.018412][ T1231] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 22.018424][ T1231] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 22.018430][ T1231] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.018435][ T1231] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.018439][ T1231] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.018442][ T1231] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.018447][ T1231] irq event stamp: 15397 [ 22.018448][ T1231] hardirqs last enabled at (15396): [] __down_trylock_console_sem+0x86/0xa0 [ 22.018451][ T1231] hardirqs last disabled at (15397): [] console_emit_next_record+0x3d4/0x4c0 [ 22.018453][ T1231] softirqs last enabled at (15358): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 22.018456][ T1231] softirqs last disabled at (15392): [] br_device_event+0x5fd/0x8f0 [ 22.018458][ T1231] Preemption disabled at: [ 22.018458][ T1231] [<0000000000000000>] 0x0 [ 22.018466][ T1231] CPU: 3 UID: 0 PID: 1231 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.018469][ T1231] Tainted: [W]=WARN [ 22.018470][ T1231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.018472][ T1231] Call Trace: [ 22.018473][ T1231] [ 22.018475][ T1231] dump_stack_lvl+0x6f/0xa0 [ 22.018481][ T1231] __might_resched.cold+0x1fe/0x2c1 [ 22.018486][ T1231] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.018490][ T1231] ? __kmalloc_noprof+0xdb/0x760 [ 22.018494][ T1231] __kmalloc_noprof+0x443/0x760 [ 22.018496][ T1231] ? alloc_buf.isra.0+0x4b/0x260 [ 22.018503][ T1231] ? do_raw_spin_unlock+0x59/0x250 [ 22.018506][ T1231] alloc_buf.isra.0+0x4b/0x260 [ 22.018509][ T1231] put_chars+0x1e1/0x2f0 [ 22.018512][ T1231] ? __send_to_port+0x420/0x420 [ 22.018513][ T1231] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.018517][ T1231] ? validate_chain+0x38b/0xc20 [ 22.018522][ T1231] hvc_console_print+0x292/0x780 [ 22.018530][ T1231] ? hvc_write+0x3a0/0x3a0 [ 22.018533][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018535][ T1231] ? lock_acquire+0x13c/0x160 [ 22.018539][ T1231] console_emit_next_record+0x22f/0x4c0 [ 22.018543][ T1231] ? devkmsg_read+0x4b0/0x4b0 [ 22.018544][ T1231] ? console_flush_one_record+0x106/0x710 [ 22.018548][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018549][ T1231] ? lock_acquire+0x13c/0x160 [ 22.018553][ T1231] console_flush_one_record+0x46f/0x710 [ 22.018557][ T1231] ? console_emit_next_record+0x4c0/0x4c0 [ 22.018559][ T1231] ? __lock_acquire+0x518/0xc20 [ 22.018565][ T1231] console_unlock+0xee/0x1f0 [ 22.018567][ T1231] ? console_flush_one_record+0x710/0x710 [ 22.018569][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018571][ T1231] ? lock_acquire+0xe0/0x160 [ 22.018575][ T1231] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.018576][ T1231] ? vprintk_emit+0x320/0x3e0 [ 22.018579][ T1231] vprintk_emit+0x37c/0x3e0 [ 22.018582][ T1231] ? wake_up_klogd_work_func+0x90/0x90 [ 22.018584][ T1231] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.018586][ T1231] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.018591][ T1231] _printk+0xc7/0x100 [ 22.018595][ T1231] ? snapshot_read.cold+0x21/0x21 [ 22.018600][ T1231] ? lock_acquire.part.0+0xd4/0x280 [ 22.018604][ T1231] br_set_state+0x22f/0x430 [ 22.018609][ T1231] br_init_port+0xc4/0x200 [ 22.018611][ T1231] br_stp_enable_port+0x12/0x50 [ 22.018613][ T1231] br_device_event+0x605/0x8f0 [ 22.018616][ T1231] ? packet_sendmsg_spkt+0x1360/0x1360 [ 22.018618][ T1231] ? nlmsg_notify+0x62/0x250 [ 22.018624][ T1231] notifier_call_chain+0xae/0x300 [ 22.018630][ T1231] __dev_notify_flags+0x1b7/0x450 [ 22.018635][ T1231] ? netif_change_name+0x8c0/0x8c0 [ 22.018639][ T1231] ? netif_set_allmulti+0x2c0/0x2c0 [ 22.018642][ T1231] ? kernel_text_address+0x149/0x170 [ 22.018645][ T1231] ? __kernel_text_address+0x12/0x30 [ 22.018646][ T1231] ? write_profile+0xf0/0xf0 [ 22.018651][ T1231] netif_change_flags+0xfe/0x190 [ 22.018655][ T1231] do_setlink.isra.0+0x1d25/0x2a60 [ 22.018658][ T1231] ? stack_trace_save+0x93/0xc0 [ 22.018660][ T1231] ? rtnl_link_get_size+0x350/0x350 [ 22.018662][ T1231] ? rcu_read_lock_any_held+0x66/0x90 [ 22.018664][ T1231] ? stack_depot_save_flags+0x38e/0x790 [ 22.018667][ T1231] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.018669][ T1231] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.018670][ T1231] ? validate_chain+0x38b/0xc20 [ 22.018673][ T1231] ? kasan_save_stack+0x3d/0x50 [ 22.018675][ T1231] ? kasan_save_stack+0x2f/0x50 [ 22.018676][ T1231] ? kasan_save_track+0x14/0x30 [ 22.018678][ T1231] ? __kasan_kmalloc+0x7b/0x90 [ 22.018680][ T1231] ? __lock_acquire+0x518/0xc20 [ 22.018682][ T1231] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 22.018684][ T1231] ? ___sys_sendmsg+0xd0/0x1d0 [ 22.018688][ T1231] ? lock_acquire.part.0+0xd4/0x280 [ 22.018690][ T1231] ? rtnl_newlink+0x9a8/0x11b0 [ 22.018693][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018694][ T1231] ? lock_acquire+0x13c/0x160 [ 22.018696][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018697][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018699][ T1231] ? trace_contention_end+0xb3/0x180 [ 22.018701][ T1231] ? __mutex_lock+0x1db/0x1ea0 [ 22.018704][ T1231] ? __mutex_lock+0x9a3/0x1ea0 [ 22.018706][ T1231] ? rtnl_newlink+0x9a8/0x11b0 [ 22.018709][ T1231] ? ww_mutex_lock+0x160/0x160 [ 22.018713][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018715][ T1231] ? __rtnl_newlink+0x3fa/0xa50 [ 22.018720][ T1231] rtnl_newlink+0x9f1/0x11b0 [ 22.018728][ T1231] ? rtnl_bridge_getlink+0x850/0x850 [ 22.018730][ T1231] ? __lock_acquire+0x518/0xc20 [ 22.018734][ T1231] ? lock_acquire.part.0+0xd4/0x280 [ 22.018736][ T1231] ? find_held_lock+0x2b/0x80 [ 22.018738][ T1231] ? rtnl_bridge_getlink+0x850/0x850 [ 22.018740][ T1231] ? __lock_release.isra.0+0x69/0x1a0 [ 22.018744][ T1231] ? rtnl_bridge_getlink+0x850/0x850 [ 22.018746][ T1231] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.018749][ T1231] ? rtnl_link_fill+0x920/0x920 [ 22.018751][ T1231] ? __lock_acquire+0x518/0xc20 [ 22.018755][ T1231] ? lock_acquire.part.0+0xd4/0x280 [ 22.018757][ T1231] ? find_held_lock+0x2b/0x80 [ 22.018761][ T1231] netlink_rcv_skb+0x14e/0x3a0 [ 22.018762][ T1231] ? rtnl_link_fill+0x920/0x920 [ 22.018765][ T1231] ? netlink_ack+0xcf0/0xcf0 [ 22.018772][ T1231] ? netlink_deliver_tap+0xc5/0x330 [ 22.018774][ T1231] ? netlink_deliver_tap+0x13c/0x330 [ 22.018778][ T1231] netlink_unicast+0x486/0x750 [ 22.018782][ T1231] ? netlink_attachskb+0x810/0x810 [ 22.018785][ T1231] ? find_held_lock+0x2b/0x80 [ 22.018789][ T1231] netlink_sendmsg+0x75b/0xc90 [ 22.018793][ T1231] ? netlink_unicast+0x750/0x750 [ 22.018797][ T1231] ? __lock_release.isra.0+0x69/0x1a0 [ 22.018798][ T1231] ? __import_iovec+0x36c/0x620 [ 22.018804][ T1231] __sock_sendmsg+0xce/0x190 [ 22.018806][ T1231] ____sys_sendmsg+0x61a/0x860 [ 22.018809][ T1231] ? copy_msghdr_from_user+0x279/0x420 [ 22.018811][ T1231] ? sock_write_iter+0x400/0x400 [ 22.018812][ T1231] ? move_addr_to_kernel+0x40/0x40 [ 22.018820][ T1231] ___sys_sendmsg+0x14e/0x1d0 [ 22.018823][ T1231] ? copy_msghdr_from_user+0x420/0x420 [ 22.018839][ T1231] __sys_sendmsg+0x12c/0x1d0 [ 22.018841][ T1231] ? __sys_sendmsg_sock+0x20/0x20 [ 22.018848][ T1231] ? rcu_is_watching+0x16/0xd0 [ 22.018851][ T1231] do_syscall_64+0xff/0x530 [ 22.018854][ T1231] ? exc_page_fault+0xee/0x100 [ 22.018856][ T1231] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.018859][ T1231] RIP: 0033:0x7f29a80cb54e [ 22.018861][ T1231] 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 [ 22.018863][ T1231] RSP: 002b:00007ffe25ecf980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.018865][ T1231] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f29a80cb54e [ 22.018867][ T1231] RDX: 0000000000000000 RSI: 00007ffe25ecfa30 RDI: 0000000000000005 [ 22.018867][ T1231] RBP: 00007ffe25ecf990 R08: 0000000000000000 R09: 0000000000000000 [ 22.018868][ T1231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b083 [ 22.018869][ T1231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe25ed00f0 [ 22.018876][ T1231] [ 22.057131][ T1231] br: port 1(d1) entered forwarding state [ 22.162385][ T1239] br: port 2(d2) entered disabled state [ 22.484140][ T39] br: port 2(d2) entered blocking state [ 22.484416][ T39] br: port 2(d2) entered forwarding state [ 22.574966][ T1285] br: port 1(d1) entered disabled state [ 22.661872][ T1293] br: port 2(d2) entered disabled state [ 22.996844][ T1331] br: port 2(d2) entered blocking state [ 22.997136][ T1331] br: port 2(d2) entered forwarding state [ 23.026387][ T1333] br: port 1(d1) entered blocking state [ 23.026405][ T1333] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.026407][ T1333] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1333, name: ip [ 23.026409][ T1333] preempt_count: 202, expected: 0 [ 23.026409][ T1333] RCU nest depth: 0, expected: 0 [ 23.026410][ T1333] locks held by ip/1333: 6, last CPU#2: [ 23.026412][ T1333] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 23.026424][ T1333] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 23.026430][ T1333] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.026435][ T1333] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.026440][ T1333] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.026443][ T1333] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.026447][ T1333] irq event stamp: 13681 [ 23.026448][ T1333] hardirqs last enabled at (13680): [] __down_trylock_console_sem+0x86/0xa0 [ 23.026452][ T1333] hardirqs last disabled at (13681): [] console_emit_next_record+0x3d4/0x4c0 [ 23.026454][ T1333] softirqs last enabled at (13642): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 23.026457][ T1333] softirqs last disabled at (13676): [] br_device_event+0x5fd/0x8f0 [ 23.026459][ T1333] Preemption disabled at: [ 23.026460][ T1333] [<0000000000000000>] 0x0 [ 23.026467][ T1333] CPU: 2 UID: 0 PID: 1333 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.026470][ T1333] Tainted: [W]=WARN [ 23.026471][ T1333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.026473][ T1333] Call Trace: [ 23.026474][ T1333] [ 23.026476][ T1333] dump_stack_lvl+0x6f/0xa0 [ 23.026482][ T1333] __might_resched.cold+0x1fe/0x2c1 [ 23.026487][ T1333] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.026491][ T1333] ? __kmalloc_noprof+0xdb/0x760 [ 23.026496][ T1333] __kmalloc_noprof+0x443/0x760 [ 23.026498][ T1333] ? alloc_buf.isra.0+0x4b/0x260 [ 23.026505][ T1333] ? do_raw_spin_unlock+0x59/0x250 [ 23.026507][ T1333] alloc_buf.isra.0+0x4b/0x260 [ 23.026511][ T1333] put_chars+0x1e1/0x2f0 [ 23.026513][ T1333] ? __send_to_port+0x420/0x420 [ 23.026515][ T1333] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.026518][ T1333] ? validate_chain+0x38b/0xc20 [ 23.026524][ T1333] hvc_console_print+0x292/0x780 [ 23.026532][ T1333] ? hvc_write+0x3a0/0x3a0 [ 23.026534][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026536][ T1333] ? lock_acquire+0x13c/0x160 [ 23.026540][ T1333] console_emit_next_record+0x22f/0x4c0 [ 23.026544][ T1333] ? devkmsg_read+0x4b0/0x4b0 [ 23.026546][ T1333] ? console_flush_one_record+0x106/0x710 [ 23.026549][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026551][ T1333] ? lock_acquire+0x13c/0x160 [ 23.026555][ T1333] console_flush_one_record+0x46f/0x710 [ 23.026559][ T1333] ? console_emit_next_record+0x4c0/0x4c0 [ 23.026561][ T1333] ? __lock_acquire+0x518/0xc20 [ 23.026566][ T1333] console_unlock+0xee/0x1f0 [ 23.026569][ T1333] ? console_flush_one_record+0x710/0x710 [ 23.026571][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026573][ T1333] ? lock_acquire+0xe0/0x160 [ 23.026576][ T1333] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.026578][ T1333] ? vprintk_emit+0x320/0x3e0 [ 23.026581][ T1333] vprintk_emit+0x37c/0x3e0 [ 23.026584][ T1333] ? wake_up_klogd_work_func+0x90/0x90 [ 23.026586][ T1333] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.026588][ T1333] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.026592][ T1333] _printk+0xc7/0x100 [ 23.026596][ T1333] ? snapshot_read.cold+0x21/0x21 [ 23.026601][ T1333] ? lock_acquire.part.0+0xd4/0x280 [ 23.026605][ T1333] br_set_state+0x22f/0x430 [ 23.026609][ T1333] br_init_port+0xc4/0x200 [ 23.026612][ T1333] br_stp_enable_port+0x12/0x50 [ 23.026614][ T1333] br_device_event+0x605/0x8f0 [ 23.026617][ T1333] ? packet_sendmsg_spkt+0x1360/0x1360 [ 23.026619][ T1333] ? nlmsg_notify+0x62/0x250 [ 23.026625][ T1333] notifier_call_chain+0xae/0x300 [ 23.026631][ T1333] __dev_notify_flags+0x1b7/0x450 [ 23.026636][ T1333] ? netif_change_name+0x8c0/0x8c0 [ 23.026640][ T1333] ? netif_set_allmulti+0x2c0/0x2c0 [ 23.026643][ T1333] ? kernel_text_address+0x149/0x170 [ 23.026646][ T1333] ? __kernel_text_address+0x12/0x30 [ 23.026647][ T1333] ? write_profile+0xf0/0xf0 [ 23.026652][ T1333] netif_change_flags+0xfe/0x190 [ 23.026656][ T1333] do_setlink.isra.0+0x1d25/0x2a60 [ 23.026659][ T1333] ? stack_trace_save+0x93/0xc0 [ 23.026661][ T1333] ? rtnl_link_get_size+0x350/0x350 [ 23.026663][ T1333] ? rcu_read_lock_any_held+0x66/0x90 [ 23.026664][ T1333] ? stack_depot_save_flags+0x38e/0x790 [ 23.026668][ T1333] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.026670][ T1333] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.026671][ T1333] ? validate_chain+0x38b/0xc20 [ 23.026674][ T1333] ? kasan_save_stack+0x3d/0x50 [ 23.026676][ T1333] ? kasan_save_stack+0x2f/0x50 [ 23.026677][ T1333] ? kasan_save_track+0x14/0x30 [ 23.026679][ T1333] ? __kasan_kmalloc+0x7b/0x90 [ 23.026681][ T1333] ? __lock_acquire+0x518/0xc20 [ 23.026683][ T1333] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 23.026686][ T1333] ? ___sys_sendmsg+0xd0/0x1d0 [ 23.026690][ T1333] ? lock_acquire.part.0+0xd4/0x280 [ 23.026691][ T1333] ? rtnl_newlink+0x9a8/0x11b0 [ 23.026694][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026696][ T1333] ? lock_acquire+0x13c/0x160 [ 23.026697][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026698][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026700][ T1333] ? trace_contention_end+0xb3/0x180 [ 23.026702][ T1333] ? __mutex_lock+0x1db/0x1ea0 [ 23.026705][ T1333] ? __mutex_lock+0x9a3/0x1ea0 [ 23.026707][ T1333] ? rtnl_newlink+0x9a8/0x11b0 [ 23.026710][ T1333] ? ww_mutex_lock+0x160/0x160 [ 23.026714][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026716][ T1333] ? __rtnl_newlink+0x3fa/0xa50 [ 23.026721][ T1333] rtnl_newlink+0x9f1/0x11b0 [ 23.026729][ T1333] ? rtnl_bridge_getlink+0x850/0x850 [ 23.026732][ T1333] ? __lock_acquire+0x518/0xc20 [ 23.026737][ T1333] ? lock_acquire.part.0+0xd4/0x280 [ 23.026739][ T1333] ? find_held_lock+0x2b/0x80 [ 23.026741][ T1333] ? rtnl_bridge_getlink+0x850/0x850 [ 23.026743][ T1333] ? __lock_release.isra.0+0x69/0x1a0 [ 23.026747][ T1333] ? rtnl_bridge_getlink+0x850/0x850 [ 23.026750][ T1333] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.026753][ T1333] ? rtnl_link_fill+0x920/0x920 [ 23.026754][ T1333] ? __lock_acquire+0x518/0xc20 [ 23.026760][ T1333] ? lock_acquire.part.0+0xd4/0x280 [ 23.026762][ T1333] ? find_held_lock+0x2b/0x80 [ 23.026766][ T1333] netlink_rcv_skb+0x14e/0x3a0 [ 23.026768][ T1333] ? rtnl_link_fill+0x920/0x920 [ 23.026771][ T1333] ? netlink_ack+0xcf0/0xcf0 [ 23.026778][ T1333] ? netlink_deliver_tap+0xc5/0x330 [ 23.026780][ T1333] ? netlink_deliver_tap+0x13c/0x330 [ 23.026785][ T1333] netlink_unicast+0x486/0x750 [ 23.026789][ T1333] ? netlink_attachskb+0x810/0x810 [ 23.026791][ T1333] ? find_held_lock+0x2b/0x80 [ 23.026796][ T1333] netlink_sendmsg+0x75b/0xc90 [ 23.026800][ T1333] ? netlink_unicast+0x750/0x750 [ 23.026803][ T1333] ? __lock_release.isra.0+0x69/0x1a0 [ 23.026805][ T1333] ? __import_iovec+0x36c/0x620 [ 23.026811][ T1333] __sock_sendmsg+0xce/0x190 [ 23.026813][ T1333] ____sys_sendmsg+0x61a/0x860 [ 23.026816][ T1333] ? copy_msghdr_from_user+0x279/0x420 [ 23.026818][ T1333] ? sock_write_iter+0x400/0x400 [ 23.026820][ T1333] ? move_addr_to_kernel+0x40/0x40 [ 23.026827][ T1333] ___sys_sendmsg+0x14e/0x1d0 [ 23.026830][ T1333] ? copy_msghdr_from_user+0x420/0x420 [ 23.026846][ T1333] __sys_sendmsg+0x12c/0x1d0 [ 23.026848][ T1333] ? __sys_sendmsg_sock+0x20/0x20 [ 23.026855][ T1333] ? rcu_is_watching+0x16/0xd0 [ 23.026858][ T1333] do_syscall_64+0xff/0x530 [ 23.026861][ T1333] ? exc_page_fault+0xee/0x100 [ 23.026863][ T1333] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.026865][ T1333] RIP: 0033:0x7fb9bd8a954e [ 23.026868][ T1333] 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 [ 23.026869][ T1333] RSP: 002b:00007ffec49fc5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.026872][ T1333] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb9bd8a954e [ 23.026873][ T1333] RDX: 0000000000000000 RSI: 00007ffec49fc680 RDI: 0000000000000005 [ 23.026874][ T1333] RBP: 00007ffec49fc5e0 R08: 0000000000000000 R09: 0000000000000000 [ 23.026875][ T1333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b084 [ 23.026876][ T1333] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec49fcd40 [ 23.026883][ T1333] [ 23.072126][ T1333] br: port 1(d1) entered forwarding state [ 23.163750][ T1341] br: port 1(d1) entered disabled state [ 23.249328][ T1349] br: port 2(d2) entered disabled state [ 23.324414][ T1357] br: port 3(d3) entered disabled state [ 24.461633][ T39] br: port 3(d3) entered blocking state [ 24.461653][ T39] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.461655][ T39] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 39, name: kworker/u20:0 [ 24.461657][ T39] preempt_count: 202, expected: 0 [ 24.461658][ T39] RCU nest depth: 0, expected: 0 [ 24.461659][ T39] locks held by kworker/u20:0/39: 8, last CPU#3: [ 24.461661][ T39] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 24.461673][ T39] #1: ffa00000002bfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 24.461677][ T39] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 24.461683][ T39] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 24.461689][ T39] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.461693][ T39] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.461697][ T39] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.461700][ T39] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.461705][ T39] irq event stamp: 254975 [ 24.461705][ T39] hardirqs last enabled at (254974): [] __down_trylock_console_sem+0x86/0xa0 [ 24.461709][ T39] hardirqs last disabled at (254975): [] console_emit_next_record+0x3d4/0x4c0 [ 24.461711][ T39] softirqs last enabled at (254936): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 24.461713][ T39] softirqs last disabled at (254970): [] br_port_carrier_check+0x161/0x430 [ 24.461716][ T39] Preemption disabled at: [ 24.461717][ T39] [<0000000000000000>] 0x0 [ 24.461724][ T39] CPU: 3 UID: 0 PID: 39 Comm: kworker/u20:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.461730][ T39] Tainted: [W]=WARN [ 24.461731][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.461733][ T39] Workqueue: events_unbound linkwatch_event [ 24.461737][ T39] Call Trace: [ 24.461738][ T39] [ 24.461740][ T39] dump_stack_lvl+0x6f/0xa0 [ 24.461747][ T39] __might_resched.cold+0x1fe/0x2c1 [ 24.461751][ T39] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.461755][ T39] ? __kmalloc_noprof+0xdb/0x760 [ 24.461760][ T39] __kmalloc_noprof+0x443/0x760 [ 24.461762][ T39] ? alloc_buf.isra.0+0x4b/0x260 [ 24.461769][ T39] ? do_raw_spin_unlock+0x59/0x250 [ 24.461771][ T39] alloc_buf.isra.0+0x4b/0x260 [ 24.461775][ T39] put_chars+0x1e1/0x2f0 [ 24.461778][ T39] ? __send_to_port+0x420/0x420 [ 24.461781][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.461784][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.461787][ T39] ? validate_chain+0x38b/0xc20 [ 24.461791][ T39] hvc_console_print+0x292/0x780 [ 24.461795][ T39] ? mark_usage+0x61/0x170 [ 24.461797][ T39] ? __lock_acquire+0x518/0xc20 [ 24.461798][ T39] ? __lock_acquire+0x518/0xc20 [ 24.461803][ T39] ? hvc_write+0x3a0/0x3a0 [ 24.461805][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 24.461809][ T39] ? lock_acquire+0x13c/0x160 [ 24.461813][ T39] console_emit_next_record+0x22f/0x4c0 [ 24.461817][ T39] ? devkmsg_read+0x4b0/0x4b0 [ 24.461819][ T39] ? console_flush_one_record+0x106/0x710 [ 24.461822][ T39] ? rcu_is_watching+0x16/0xd0 [ 24.461824][ T39] ? lock_acquire+0x13c/0x160 [ 24.461828][ T39] console_flush_one_record+0x46f/0x710 [ 24.461833][ T39] ? console_emit_next_record+0x4c0/0x4c0 [ 24.461834][ T39] ? __lock_acquire+0x518/0xc20 [ 24.461840][ T39] console_unlock+0xee/0x1f0 [ 24.461843][ T39] ? console_flush_one_record+0x710/0x710 [ 24.461845][ T39] ? rcu_is_watching+0x16/0xd0 [ 24.461846][ T39] ? lock_acquire+0xe0/0x160 [ 24.461850][ T39] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.461852][ T39] ? vprintk_emit+0x320/0x3e0 [ 24.461855][ T39] vprintk_emit+0x37c/0x3e0 [ 24.461858][ T39] ? wake_up_klogd_work_func+0x90/0x90 [ 24.461860][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.461862][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.461866][ T39] _printk+0xc7/0x100 [ 24.461869][ T39] ? snapshot_read.cold+0x21/0x21 [ 24.461874][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 24.461878][ T39] br_set_state+0x22f/0x430 [ 24.461883][ T39] br_init_port+0xc4/0x200 [ 24.461885][ T39] br_stp_enable_port+0x12/0x50 [ 24.461887][ T39] br_port_carrier_check+0x220/0x430 [ 24.461891][ T39] br_device_event+0x52d/0x8f0 [ 24.461894][ T39] ? packet_sendmsg_spkt+0x1360/0x1360 [ 24.461896][ T39] ? nlmsg_notify+0x62/0x250 [ 24.461903][ T39] notifier_call_chain+0xae/0x300 [ 24.461909][ T39] netif_state_change+0x139/0x3d0 [ 24.461914][ T39] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 24.461919][ T39] ? linkwatch_do_dev+0xae/0xd0 [ 24.461921][ T39] __linkwatch_run_queue+0x350/0x850 [ 24.461924][ T39] ? linkwatch_do_dev+0xd0/0xd0 [ 24.461926][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 24.461931][ T39] linkwatch_event+0x7f/0xb0 [ 24.461933][ T39] ? __linkwatch_run_queue+0x850/0x850 [ 24.461937][ T39] process_one_work+0xe3e/0x1560 [ 24.461944][ T39] ? __queue_delayed_work+0x470/0x470 [ 24.461947][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 24.461955][ T39] worker_thread+0x4f1/0xd60 [ 24.461962][ T39] ? rescuer_thread+0x1340/0x1340 [ 24.461964][ T39] kthread+0x367/0x460 [ 24.461966][ T39] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 24.461970][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.461972][ T39] ret_from_fork+0x474/0x6b0 [ 24.461977][ T39] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 24.461980][ T39] ? __switch_to+0x5a3/0xe00 [ 24.461984][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.461986][ T39] ret_from_fork_asm+0x11/0x20 [ 24.461995][ T39] [ 24.485124][ T39] br: port 3(d3) entered forwarding state [ 24.501137][ T38] br: port 2(d2) entered blocking state [ 24.501406][ T38] br: port 2(d2) entered forwarding state [ 24.536273][ T39] br: port 1(d1) entered blocking state [ 24.536522][ T39] br: port 1(d1) entered forwarding state [ 25.400330][ T1537] br: port 1(d1) entered disabled state [ 25.721196][ T1575] br: port 1(d1) entered blocking state [ 25.721216][ T1575] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.721218][ T1575] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1575, name: ip [ 25.721220][ T1575] preempt_count: 202, expected: 0 [ 25.721221][ T1575] RCU nest depth: 0, expected: 0 [ 25.721222][ T1575] locks held by ip/1575: 6, last CPU#0: [ 25.721224][ T1575] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 25.721236][ T1575] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 25.721242][ T1575] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.721247][ T1575] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.721252][ T1575] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.721255][ T1575] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.721259][ T1575] irq event stamp: 13953 [ 25.721260][ T1575] hardirqs last enabled at (13952): [] __down_trylock_console_sem+0x86/0xa0 [ 25.721264][ T1575] hardirqs last disabled at (13953): [] console_emit_next_record+0x3d4/0x4c0 [ 25.721266][ T1575] softirqs last enabled at (13914): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 25.721268][ T1575] softirqs last disabled at (13948): [] br_device_event+0x5fd/0x8f0 [ 25.721271][ T1575] Preemption disabled at: [ 25.721271][ T1575] [<0000000000000000>] 0x0 [ 25.721278][ T1575] CPU: 0 UID: 0 PID: 1575 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.721282][ T1575] Tainted: [W]=WARN [ 25.721283][ T1575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.721285][ T1575] Call Trace: [ 25.721286][ T1575] [ 25.721288][ T1575] dump_stack_lvl+0x6f/0xa0 [ 25.721295][ T1575] __might_resched.cold+0x1fe/0x2c1 [ 25.721300][ T1575] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.721304][ T1575] ? __kmalloc_noprof+0xdb/0x760 [ 25.721309][ T1575] __kmalloc_noprof+0x443/0x760 [ 25.721311][ T1575] ? alloc_buf.isra.0+0x4b/0x260 [ 25.721317][ T1575] ? do_raw_spin_unlock+0x59/0x250 [ 25.721320][ T1575] alloc_buf.isra.0+0x4b/0x260 [ 25.721324][ T1575] put_chars+0x1e1/0x2f0 [ 25.721326][ T1575] ? __send_to_port+0x420/0x420 [ 25.721327][ T1575] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.721331][ T1575] ? validate_chain+0x38b/0xc20 [ 25.721336][ T1575] hvc_console_print+0x292/0x780 [ 25.721344][ T1575] ? hvc_write+0x3a0/0x3a0 [ 25.721347][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721349][ T1575] ? lock_acquire+0x13c/0x160 [ 25.721353][ T1575] console_emit_next_record+0x22f/0x4c0 [ 25.721357][ T1575] ? devkmsg_read+0x4b0/0x4b0 [ 25.721359][ T1575] ? console_flush_one_record+0x106/0x710 [ 25.721362][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721364][ T1575] ? lock_acquire+0x13c/0x160 [ 25.721368][ T1575] console_flush_one_record+0x46f/0x710 [ 25.721372][ T1575] ? console_emit_next_record+0x4c0/0x4c0 [ 25.721374][ T1575] ? __lock_acquire+0x518/0xc20 [ 25.721379][ T1575] console_unlock+0xee/0x1f0 [ 25.721382][ T1575] ? console_flush_one_record+0x710/0x710 [ 25.721384][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721385][ T1575] ? lock_acquire+0xe0/0x160 [ 25.721389][ T1575] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.721391][ T1575] ? vprintk_emit+0x320/0x3e0 [ 25.721396][ T1575] vprintk_emit+0x37c/0x3e0 [ 25.721400][ T1575] ? wake_up_klogd_work_func+0x90/0x90 [ 25.721402][ T1575] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.721404][ T1575] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.721408][ T1575] _printk+0xc7/0x100 [ 25.721412][ T1575] ? snapshot_read.cold+0x21/0x21 [ 25.721417][ T1575] ? lock_acquire.part.0+0xd4/0x280 [ 25.721421][ T1575] br_set_state+0x22f/0x430 [ 25.721426][ T1575] br_init_port+0xc4/0x200 [ 25.721428][ T1575] br_stp_enable_port+0x12/0x50 [ 25.721430][ T1575] br_device_event+0x605/0x8f0 [ 25.721433][ T1575] ? packet_sendmsg_spkt+0x1360/0x1360 [ 25.721435][ T1575] ? nlmsg_notify+0x62/0x250 [ 25.721442][ T1575] notifier_call_chain+0xae/0x300 [ 25.721448][ T1575] __dev_notify_flags+0x1b7/0x450 [ 25.721453][ T1575] ? netif_change_name+0x8c0/0x8c0 [ 25.721457][ T1575] ? netif_set_allmulti+0x2c0/0x2c0 [ 25.721460][ T1575] ? kernel_text_address+0x149/0x170 [ 25.721462][ T1575] ? __kernel_text_address+0x12/0x30 [ 25.721464][ T1575] ? write_profile+0xf0/0xf0 [ 25.721469][ T1575] netif_change_flags+0xfe/0x190 [ 25.721473][ T1575] do_setlink.isra.0+0x1d25/0x2a60 [ 25.721476][ T1575] ? stack_trace_save+0x93/0xc0 [ 25.721478][ T1575] ? rtnl_link_get_size+0x350/0x350 [ 25.721480][ T1575] ? rcu_read_lock_any_held+0x66/0x90 [ 25.721482][ T1575] ? stack_depot_save_flags+0x38e/0x790 [ 25.721485][ T1575] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.721487][ T1575] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.721489][ T1575] ? validate_chain+0x38b/0xc20 [ 25.721491][ T1575] ? kasan_save_stack+0x3d/0x50 [ 25.721493][ T1575] ? kasan_save_stack+0x2f/0x50 [ 25.721495][ T1575] ? kasan_save_track+0x14/0x30 [ 25.721496][ T1575] ? __kasan_kmalloc+0x7b/0x90 [ 25.721498][ T1575] ? __lock_acquire+0x518/0xc20 [ 25.721500][ T1575] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 25.721503][ T1575] ? ___sys_sendmsg+0xd0/0x1d0 [ 25.721507][ T1575] ? lock_acquire.part.0+0xd4/0x280 [ 25.721509][ T1575] ? rtnl_newlink+0x9a8/0x11b0 [ 25.721511][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721513][ T1575] ? lock_acquire+0x13c/0x160 [ 25.721514][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721516][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721517][ T1575] ? trace_contention_end+0xb3/0x180 [ 25.721520][ T1575] ? __mutex_lock+0x1db/0x1ea0 [ 25.721522][ T1575] ? __mutex_lock+0x9a3/0x1ea0 [ 25.721524][ T1575] ? rtnl_newlink+0x9a8/0x11b0 [ 25.721528][ T1575] ? ww_mutex_lock+0x160/0x160 [ 25.721531][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721533][ T1575] ? __rtnl_newlink+0x3fa/0xa50 [ 25.721539][ T1575] rtnl_newlink+0x9f1/0x11b0 [ 25.721544][ T1575] ? rtnl_bridge_getlink+0x850/0x850 [ 25.721546][ T1575] ? __lock_acquire+0x518/0xc20 [ 25.721550][ T1575] ? lock_acquire.part.0+0xd4/0x280 [ 25.721552][ T1575] ? find_held_lock+0x2b/0x80 [ 25.721555][ T1575] ? rtnl_bridge_getlink+0x850/0x850 [ 25.721556][ T1575] ? __lock_release.isra.0+0x69/0x1a0 [ 25.721560][ T1575] ? rtnl_bridge_getlink+0x850/0x850 [ 25.721562][ T1575] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 25.721565][ T1575] ? rtnl_link_fill+0x920/0x920 [ 25.721567][ T1575] ? __lock_acquire+0x518/0xc20 [ 25.721571][ T1575] ? lock_acquire.part.0+0xd4/0x280 [ 25.721573][ T1575] ? find_held_lock+0x2b/0x80 [ 25.721577][ T1575] netlink_rcv_skb+0x14e/0x3a0 [ 25.721579][ T1575] ? rtnl_link_fill+0x920/0x920 [ 25.721582][ T1575] ? netlink_ack+0xcf0/0xcf0 [ 25.721588][ T1575] ? netlink_deliver_tap+0xc5/0x330 [ 25.721590][ T1575] ? netlink_deliver_tap+0x13c/0x330 [ 25.721595][ T1575] netlink_unicast+0x486/0x750 [ 25.721598][ T1575] ? netlink_attachskb+0x810/0x810 [ 25.721601][ T1575] ? find_held_lock+0x2b/0x80 [ 25.721605][ T1575] netlink_sendmsg+0x75b/0xc90 [ 25.721609][ T1575] ? netlink_unicast+0x750/0x750 [ 25.721613][ T1575] ? __lock_release.isra.0+0x69/0x1a0 [ 25.721615][ T1575] ? __import_iovec+0x36c/0x620 [ 25.721620][ T1575] __sock_sendmsg+0xce/0x190 [ 25.721623][ T1575] ____sys_sendmsg+0x61a/0x860 [ 25.721625][ T1575] ? copy_msghdr_from_user+0x279/0x420 [ 25.721627][ T1575] ? sock_write_iter+0x400/0x400 [ 25.721629][ T1575] ? move_addr_to_kernel+0x40/0x40 [ 25.721637][ T1575] ___sys_sendmsg+0x14e/0x1d0 [ 25.721639][ T1575] ? copy_msghdr_from_user+0x420/0x420 [ 25.721656][ T1575] __sys_sendmsg+0x12c/0x1d0 [ 25.721659][ T1575] ? __sys_sendmsg_sock+0x20/0x20 [ 25.721665][ T1575] ? rcu_is_watching+0x16/0xd0 [ 25.721668][ T1575] do_syscall_64+0xff/0x530 [ 25.721671][ T1575] ? exc_page_fault+0xee/0x100 [ 25.721674][ T1575] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.721676][ T1575] RIP: 0033:0x7ff65ab4054e [ 25.721678][ T1575] 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 [ 25.721680][ T1575] RSP: 002b:00007ffc6bd77e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.721683][ T1575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff65ab4054e [ 25.721684][ T1575] RDX: 0000000000000000 RSI: 00007ffc6bd77ee0 RDI: 0000000000000005 [ 25.721685][ T1575] RBP: 00007ffc6bd77e40 R08: 0000000000000000 R09: 0000000000000000 [ 25.721686][ T1575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b087 [ 25.721687][ T1575] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6bd785a0 [ 25.721694][ T1575] [ 25.767130][ T1575] br: port 1(d1) entered forwarding state [ 25.862181][ T1583] br: port 2(d2) entered disabled state [ 26.186174][ T1621] br: port 2(d2) entered blocking state [ 26.186502][ T1621] br: port 2(d2) entered forwarding state [ 26.268061][ T1629] br: port 1(d1) entered disabled state [ 26.350517][ T1637] br: port 2(d2) entered disabled state [ 26.663206][ T1675] br: port 2(d2) entered blocking state [ 26.663502][ T1675] br: port 2(d2) entered forwarding state [ 26.698771][ T38] br: port 1(d1) entered blocking state [ 26.699054][ T38] br: port 1(d1) entered forwarding state [ 26.779275][ T1685] br: port 1(d1) entered disabled state [ 26.779292][ T1685] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.779294][ T1685] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1685, name: ip [ 26.779295][ T1685] preempt_count: 202, expected: 0 [ 26.779296][ T1685] RCU nest depth: 0, expected: 0 [ 26.779297][ T1685] locks held by ip/1685: 6, last CPU#3: [ 26.779299][ T1685] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.779310][ T1685] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 26.779316][ T1685] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.779321][ T1685] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.779326][ T1685] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.779329][ T1685] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.779333][ T1685] irq event stamp: 21859 [ 26.779334][ T1685] hardirqs last enabled at (21858): [] __down_trylock_console_sem+0x86/0xa0 [ 26.779337][ T1685] hardirqs last disabled at (21859): [] console_emit_next_record+0x3d4/0x4c0 [ 26.779339][ T1685] softirqs last enabled at (21842): [] ipv6_mc_down+0x134/0x2d0 [ 26.779342][ T1685] softirqs last disabled at (21854): [] br_device_event+0x1d7/0x8f0 [ 26.779345][ T1685] Preemption disabled at: [ 26.779345][ T1685] [<0000000000000000>] 0x0 [ 26.779352][ T1685] CPU: 3 UID: 0 PID: 1685 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.779356][ T1685] Tainted: [W]=WARN [ 26.779357][ T1685] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.779358][ T1685] Call Trace: [ 26.779360][ T1685] [ 26.779361][ T1685] dump_stack_lvl+0x6f/0xa0 [ 26.779368][ T1685] __might_resched.cold+0x1fe/0x2c1 [ 26.779372][ T1685] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.779377][ T1685] ? __kmalloc_noprof+0xdb/0x760 [ 26.779381][ T1685] __kmalloc_noprof+0x443/0x760 [ 26.779383][ T1685] ? alloc_buf.isra.0+0x4b/0x260 [ 26.779389][ T1685] ? do_raw_spin_unlock+0x59/0x250 [ 26.779392][ T1685] alloc_buf.isra.0+0x4b/0x260 [ 26.779396][ T1685] put_chars+0x1e1/0x2f0 [ 26.779398][ T1685] ? __send_to_port+0x420/0x420 [ 26.779404][ T1685] hvc_console_print+0x292/0x780 [ 26.779412][ T1685] ? hvc_write+0x3a0/0x3a0 [ 26.779415][ T1685] ? lock_acquire+0x13c/0x160 [ 26.779420][ T1685] console_emit_next_record+0x22f/0x4c0 [ 26.779424][ T1685] ? devkmsg_read+0x4b0/0x4b0 [ 26.779425][ T1685] ? console_flush_one_record+0x106/0x710 [ 26.779429][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779431][ T1685] ? lock_acquire+0x13c/0x160 [ 26.779435][ T1685] console_flush_one_record+0x46f/0x710 [ 26.779440][ T1685] ? console_emit_next_record+0x4c0/0x4c0 [ 26.779441][ T1685] ? __lock_acquire+0x518/0xc20 [ 26.779447][ T1685] console_unlock+0xee/0x1f0 [ 26.779450][ T1685] ? console_flush_one_record+0x710/0x710 [ 26.779452][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779453][ T1685] ? lock_acquire+0xe0/0x160 [ 26.779457][ T1685] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.779459][ T1685] ? vprintk_emit+0x320/0x3e0 [ 26.779461][ T1685] vprintk_emit+0x37c/0x3e0 [ 26.779464][ T1685] ? wake_up_klogd_work_func+0x90/0x90 [ 26.779466][ T1685] ? mark_held_locks+0x40/0x70 [ 26.779468][ T1685] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.779470][ T1685] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.779474][ T1685] _printk+0xc7/0x100 [ 26.779478][ T1685] ? snapshot_read.cold+0x21/0x21 [ 26.779485][ T1685] br_set_state+0x22f/0x430 [ 26.779490][ T1685] br_stp_disable_port+0x11f/0x390 [ 26.779493][ T1685] br_device_event+0x7b5/0x8f0 [ 26.779495][ T1685] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 26.779500][ T1685] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.779505][ T1685] notifier_call_chain+0xae/0x300 [ 26.779511][ T1685] __dev_notify_flags+0x23c/0x450 [ 26.779516][ T1685] ? netif_change_name+0x8c0/0x8c0 [ 26.779520][ T1685] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.779523][ T1685] ? __kernel_text_address+0x12/0x30 [ 26.779526][ T1685] ? write_profile+0xf0/0xf0 [ 26.779531][ T1685] netif_change_flags+0xfe/0x190 [ 26.779535][ T1685] do_setlink.isra.0+0x1d25/0x2a60 [ 26.779538][ T1685] ? stack_trace_save+0x93/0xc0 [ 26.779540][ T1685] ? rtnl_link_get_size+0x350/0x350 [ 26.779541][ T1685] ? rcu_read_lock_any_held+0x66/0x90 [ 26.779543][ T1685] ? stack_depot_save_flags+0x38e/0x790 [ 26.779547][ T1685] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.779549][ T1685] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.779550][ T1685] ? validate_chain+0x38b/0xc20 [ 26.779553][ T1685] ? kasan_save_stack+0x3d/0x50 [ 26.779555][ T1685] ? kasan_save_stack+0x2f/0x50 [ 26.779556][ T1685] ? kasan_save_track+0x14/0x30 [ 26.779558][ T1685] ? __kasan_kmalloc+0x7b/0x90 [ 26.779560][ T1685] ? __lock_acquire+0x518/0xc20 [ 26.779562][ T1685] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 26.779565][ T1685] ? ___sys_sendmsg+0xd0/0x1d0 [ 26.779568][ T1685] ? lock_acquire.part.0+0xd4/0x280 [ 26.779570][ T1685] ? rtnl_newlink+0x9a8/0x11b0 [ 26.779573][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779575][ T1685] ? lock_acquire+0x13c/0x160 [ 26.779576][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779577][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779579][ T1685] ? trace_contention_end+0xb3/0x180 [ 26.779581][ T1685] ? __mutex_lock+0x1db/0x1ea0 [ 26.779583][ T1685] ? __mutex_lock+0x9a3/0x1ea0 [ 26.779585][ T1685] ? rtnl_newlink+0x9a8/0x11b0 [ 26.779588][ T1685] ? ww_mutex_lock+0x160/0x160 [ 26.779591][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779594][ T1685] ? __rtnl_newlink+0x3fa/0xa50 [ 26.779599][ T1685] rtnl_newlink+0x9f1/0x11b0 [ 26.779604][ T1685] ? rtnl_bridge_getlink+0x850/0x850 [ 26.779606][ T1685] ? __lock_acquire+0x518/0xc20 [ 26.779610][ T1685] ? lock_acquire.part.0+0xd4/0x280 [ 26.779612][ T1685] ? find_held_lock+0x2b/0x80 [ 26.779615][ T1685] ? rtnl_bridge_getlink+0x850/0x850 [ 26.779616][ T1685] ? __lock_release.isra.0+0x69/0x1a0 [ 26.779620][ T1685] ? rtnl_bridge_getlink+0x850/0x850 [ 26.779622][ T1685] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.779625][ T1685] ? rtnl_link_fill+0x920/0x920 [ 26.779627][ T1685] ? __lock_acquire+0x518/0xc20 [ 26.779631][ T1685] ? lock_acquire.part.0+0xd4/0x280 [ 26.779633][ T1685] ? find_held_lock+0x2b/0x80 [ 26.779636][ T1685] netlink_rcv_skb+0x14e/0x3a0 [ 26.779640][ T1685] ? rtnl_link_fill+0x920/0x920 [ 26.779642][ T1685] ? netlink_ack+0xcf0/0xcf0 [ 26.779649][ T1685] ? netlink_deliver_tap+0xc5/0x330 [ 26.779651][ T1685] ? netlink_deliver_tap+0x13c/0x330 [ 26.779655][ T1685] netlink_unicast+0x486/0x750 [ 26.779659][ T1685] ? netlink_attachskb+0x810/0x810 [ 26.779662][ T1685] ? find_held_lock+0x2b/0x80 [ 26.779666][ T1685] netlink_sendmsg+0x75b/0xc90 [ 26.779670][ T1685] ? netlink_unicast+0x750/0x750 [ 26.779674][ T1685] ? __lock_release.isra.0+0x69/0x1a0 [ 26.779675][ T1685] ? __import_iovec+0x36c/0x620 [ 26.779681][ T1685] __sock_sendmsg+0xce/0x190 [ 26.779684][ T1685] ____sys_sendmsg+0x61a/0x860 [ 26.779686][ T1685] ? copy_msghdr_from_user+0x279/0x420 [ 26.779688][ T1685] ? sock_write_iter+0x400/0x400 [ 26.779690][ T1685] ? move_addr_to_kernel+0x40/0x40 [ 26.779697][ T1685] ___sys_sendmsg+0x14e/0x1d0 [ 26.779700][ T1685] ? copy_msghdr_from_user+0x420/0x420 [ 26.779716][ T1685] __sys_sendmsg+0x12c/0x1d0 [ 26.779719][ T1685] ? __sys_sendmsg_sock+0x20/0x20 [ 26.779727][ T1685] ? rcu_is_watching+0x16/0xd0 [ 26.779731][ T1685] do_syscall_64+0xff/0x530 [ 26.779734][ T1685] ? exc_page_fault+0xee/0x100 [ 26.779736][ T1685] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.779739][ T1685] RIP: 0033:0x7f97bd73154e [ 26.779741][ T1685] 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 [ 26.779742][ T1685] RSP: 002b:00007ffc4bf4af10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.779745][ T1685] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f97bd73154e [ 26.779746][ T1685] RDX: 0000000000000000 RSI: 00007ffc4bf4afc0 RDI: 0000000000000005 [ 26.779747][ T1685] RBP: 00007ffc4bf4af20 R08: 0000000000000000 R09: 0000000000000000 [ 26.779748][ T1685] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b088 [ 26.779749][ T1685] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4bf4b680 [ 26.779756][ T1685] [ 26.895269][ T1693] br: port 2(d2) entered disabled state [ 26.987369][ T1701] br: port 3(d3) entered disabled state [ 27.314033][ T38] br: port 3(d3) entered blocking state [ 27.314297][ T38] br: port 3(d3) entered forwarding state [ 27.342127][ T38] br: port 2(d2) entered blocking state [ 27.342367][ T38] br: port 2(d2) entered forwarding state [ 27.376864][ T39] br: port 1(d1) entered blocking state [ 27.377115][ T39] br: port 1(d1) entered forwarding state [ 28.220515][ T1801] br: port 1(d1) entered disabled state [ 28.220536][ T1801] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.220538][ T1801] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1801, name: ip [ 28.220539][ T1801] preempt_count: 202, expected: 0 [ 28.220540][ T1801] RCU nest depth: 0, expected: 0 [ 28.220541][ T1801] locks held by ip/1801: 6, last CPU#0: [ 28.220543][ T1801] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 28.220555][ T1801] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 28.220560][ T1801] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.220565][ T1801] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.220570][ T1801] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.220573][ T1801] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.220578][ T1801] irq event stamp: 14193 [ 28.220579][ T1801] hardirqs last enabled at (14192): [] __down_trylock_console_sem+0x86/0xa0 [ 28.220582][ T1801] hardirqs last disabled at (14193): [] console_emit_next_record+0x3d4/0x4c0 [ 28.220584][ T1801] softirqs last enabled at (14176): [] ipv6_mc_down+0x134/0x2d0 [ 28.220587][ T1801] softirqs last disabled at (14188): [] br_device_event+0x1d7/0x8f0 [ 28.220589][ T1801] Preemption disabled at: [ 28.220590][ T1801] [<0000000000000000>] 0x0 [ 28.220597][ T1801] CPU: 0 UID: 0 PID: 1801 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.220600][ T1801] Tainted: [W]=WARN [ 28.220601][ T1801] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.220603][ T1801] Call Trace: [ 28.220605][ T1801] [ 28.220606][ T1801] dump_stack_lvl+0x6f/0xa0 [ 28.220613][ T1801] __might_resched.cold+0x1fe/0x2c1 [ 28.220617][ T1801] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.220622][ T1801] ? __kmalloc_noprof+0xdb/0x760 [ 28.220626][ T1801] __kmalloc_noprof+0x443/0x760 [ 28.220628][ T1801] ? alloc_buf.isra.0+0x4b/0x260 [ 28.220634][ T1801] ? do_raw_spin_unlock+0x59/0x250 [ 28.220637][ T1801] alloc_buf.isra.0+0x4b/0x260 [ 28.220641][ T1801] put_chars+0x1e1/0x2f0 [ 28.220644][ T1801] ? __send_to_port+0x420/0x420 [ 28.220650][ T1801] hvc_console_print+0x292/0x780 [ 28.220658][ T1801] ? hvc_write+0x3a0/0x3a0 [ 28.220661][ T1801] ? lock_acquire+0x13c/0x160 [ 28.220665][ T1801] console_emit_next_record+0x22f/0x4c0 [ 28.220669][ T1801] ? devkmsg_read+0x4b0/0x4b0 [ 28.220671][ T1801] ? console_flush_one_record+0x106/0x710 [ 28.220674][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.220677][ T1801] ? lock_acquire+0x13c/0x160 [ 28.220681][ T1801] console_flush_one_record+0x46f/0x710 [ 28.220685][ T1801] ? console_emit_next_record+0x4c0/0x4c0 [ 28.220687][ T1801] ? __lock_acquire+0x518/0xc20 [ 28.220692][ T1801] console_unlock+0xee/0x1f0 [ 28.220695][ T1801] ? console_flush_one_record+0x710/0x710 [ 28.220697][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.220699][ T1801] ? lock_acquire+0xe0/0x160 [ 28.220703][ T1801] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.220704][ T1801] ? vprintk_emit+0x320/0x3e0 [ 28.220707][ T1801] vprintk_emit+0x37c/0x3e0 [ 28.220711][ T1801] ? wake_up_klogd_work_func+0x90/0x90 [ 28.220712][ T1801] ? mark_held_locks+0x40/0x70 [ 28.220714][ T1801] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.220716][ T1801] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.220721][ T1801] _printk+0xc7/0x100 [ 28.220724][ T1801] ? snapshot_read.cold+0x21/0x21 [ 28.220735][ T1801] br_set_state+0x22f/0x430 [ 28.220742][ T1801] br_stp_disable_port+0x11f/0x390 [ 28.220748][ T1801] br_device_event+0x7b5/0x8f0 [ 28.220751][ T1801] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 28.220756][ T1801] ? packet_sendmsg_spkt+0x1360/0x1360 [ 28.220765][ T1801] notifier_call_chain+0xae/0x300 [ 28.220774][ T1801] __dev_notify_flags+0x23c/0x450 [ 28.220781][ T1801] ? netif_change_name+0x8c0/0x8c0 [ 28.220786][ T1801] ? netif_set_allmulti+0x2c0/0x2c0 [ 28.220791][ T1801] ? __kernel_text_address+0x12/0x30 [ 28.220793][ T1801] ? write_profile+0xf0/0xf0 [ 28.220800][ T1801] netif_change_flags+0xfe/0x190 [ 28.220805][ T1801] do_setlink.isra.0+0x1d25/0x2a60 [ 28.220809][ T1801] ? stack_trace_save+0x93/0xc0 [ 28.220812][ T1801] ? rtnl_link_get_size+0x350/0x350 [ 28.220813][ T1801] ? rcu_read_lock_any_held+0x66/0x90 [ 28.220815][ T1801] ? stack_depot_save_flags+0x38e/0x790 [ 28.220819][ T1801] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.220821][ T1801] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.220823][ T1801] ? validate_chain+0x38b/0xc20 [ 28.220826][ T1801] ? kasan_save_stack+0x3d/0x50 [ 28.220829][ T1801] ? kasan_save_stack+0x2f/0x50 [ 28.220830][ T1801] ? kasan_save_track+0x14/0x30 [ 28.220832][ T1801] ? __kasan_kmalloc+0x7b/0x90 [ 28.220835][ T1801] ? __lock_acquire+0x518/0xc20 [ 28.220837][ T1801] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 28.220840][ T1801] ? ___sys_sendmsg+0xd0/0x1d0 [ 28.220844][ T1801] ? lock_acquire.part.0+0xd4/0x280 [ 28.220846][ T1801] ? rtnl_newlink+0x9a8/0x11b0 [ 28.220848][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.220850][ T1801] ? lock_acquire+0x13c/0x160 [ 28.220852][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.220853][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.220854][ T1801] ? trace_contention_end+0xb3/0x180 [ 28.220857][ T1801] ? __mutex_lock+0x1db/0x1ea0 [ 28.220858][ T1801] ? __mutex_lock+0x9a3/0x1ea0 [ 28.220860][ T1801] ? rtnl_newlink+0x9a8/0x11b0 [ 28.220863][ T1801] ? ww_mutex_lock+0x160/0x160 [ 28.220867][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.220869][ T1801] ? __rtnl_newlink+0x3fa/0xa50 [ 28.220874][ T1801] rtnl_newlink+0x9f1/0x11b0 [ 28.220880][ T1801] ? rtnl_bridge_getlink+0x850/0x850 [ 28.220882][ T1801] ? __lock_acquire+0x518/0xc20 [ 28.220886][ T1801] ? lock_acquire.part.0+0xd4/0x280 [ 28.220888][ T1801] ? find_held_lock+0x2b/0x80 [ 28.220890][ T1801] ? rtnl_bridge_getlink+0x850/0x850 [ 28.220892][ T1801] ? __lock_release.isra.0+0x69/0x1a0 [ 28.220896][ T1801] ? rtnl_bridge_getlink+0x850/0x850 [ 28.220898][ T1801] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.220901][ T1801] ? rtnl_link_fill+0x920/0x920 [ 28.220902][ T1801] ? __lock_acquire+0x518/0xc20 [ 28.220907][ T1801] ? lock_acquire.part.0+0xd4/0x280 [ 28.220908][ T1801] ? find_held_lock+0x2b/0x80 [ 28.220912][ T1801] netlink_rcv_skb+0x14e/0x3a0 [ 28.220915][ T1801] ? rtnl_link_fill+0x920/0x920 [ 28.220918][ T1801] ? netlink_ack+0xcf0/0xcf0 [ 28.220924][ T1801] ? netlink_deliver_tap+0xc5/0x330 [ 28.220927][ T1801] ? netlink_deliver_tap+0x13c/0x330 [ 28.220931][ T1801] netlink_unicast+0x486/0x750 [ 28.220935][ T1801] ? netlink_attachskb+0x810/0x810 [ 28.220938][ T1801] ? find_held_lock+0x2b/0x80 [ 28.220942][ T1801] netlink_sendmsg+0x75b/0xc90 [ 28.220946][ T1801] ? netlink_unicast+0x750/0x750 [ 28.220950][ T1801] ? __lock_release.isra.0+0x69/0x1a0 [ 28.220951][ T1801] ? __import_iovec+0x36c/0x620 [ 28.220957][ T1801] __sock_sendmsg+0xce/0x190 [ 28.220960][ T1801] ____sys_sendmsg+0x61a/0x860 [ 28.220962][ T1801] ? copy_msghdr_from_user+0x279/0x420 [ 28.220964][ T1801] ? sock_write_iter+0x400/0x400 [ 28.220966][ T1801] ? move_addr_to_kernel+0x40/0x40 [ 28.220973][ T1801] ___sys_sendmsg+0x14e/0x1d0 [ 28.220976][ T1801] ? copy_msghdr_from_user+0x420/0x420 [ 28.220992][ T1801] __sys_sendmsg+0x12c/0x1d0 [ 28.220995][ T1801] ? __sys_sendmsg_sock+0x20/0x20 [ 28.221001][ T1801] ? rcu_is_watching+0x16/0xd0 [ 28.221004][ T1801] do_syscall_64+0xff/0x530 [ 28.221007][ T1801] ? exc_page_fault+0xee/0x100 [ 28.221010][ T1801] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.221012][ T1801] RIP: 0033:0x7f115f5a654e [ 28.221014][ T1801] 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 [ 28.221016][ T1801] RSP: 002b:00007ffc121b7710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.221018][ T1801] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f115f5a654e [ 28.221020][ T1801] RDX: 0000000000000000 RSI: 00007ffc121b77c0 RDI: 0000000000000005 [ 28.221021][ T1801] RBP: 00007ffc121b7720 R08: 0000000000000000 R09: 0000000000000000 [ 28.221021][ T1801] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b089 [ 28.221022][ T1801] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc121b7e80 [ 28.221029][ T1801] [ 28.598319][ T36] br: port 1(d1) entered blocking state [ 28.598577][ T36] br: port 1(d1) entered forwarding state [ 28.688583][ T1847] br: port 2(d2) entered disabled state [ 29.045748][ T1885] br: port 2(d2) entered blocking state [ 29.046045][ T1885] br: port 2(d2) entered forwarding state [ 29.148202][ T1893] br: port 1(d1) entered disabled state [ 29.289713][ T1901] br: port 2(d2) entered disabled state [ 29.289746][ T1901] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.289749][ T1901] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1901, name: ip [ 29.289751][ T1901] preempt_count: 202, expected: 0 [ 29.289753][ T1901] RCU nest depth: 0, expected: 0 [ 29.289754][ T1901] locks held by ip/1901: 6, last CPU#3: [ 29.289757][ T1901] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 29.289772][ T1901] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 29.289779][ T1901] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 29.289787][ T1901] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 29.289793][ T1901] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 29.289798][ T1901] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 29.289805][ T1901] irq event stamp: 22443 [ 29.289806][ T1901] hardirqs last enabled at (22442): [] irqentry_exit+0x21c/0x790 [ 29.289811][ T1901] hardirqs last disabled at (22443): [] console_emit_next_record+0x3d4/0x4c0 [ 29.289814][ T1901] softirqs last enabled at (22424): [] ipv6_mc_down+0x134/0x2d0 [ 29.289818][ T1901] softirqs last disabled at (22436): [] br_device_event+0x1d7/0x8f0 [ 29.289821][ T1901] Preemption disabled at: [ 29.289822][ T1901] [<0000000000000000>] 0x0 [ 29.289831][ T1901] CPU: 3 UID: 0 PID: 1901 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.289835][ T1901] Tainted: [W]=WARN [ 29.289837][ T1901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.289839][ T1901] Call Trace: [ 29.289841][ T1901] [ 29.289843][ T1901] dump_stack_lvl+0x6f/0xa0 [ 29.289852][ T1901] __might_resched.cold+0x1fe/0x2c1 [ 29.289858][ T1901] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.289864][ T1901] ? __kmalloc_noprof+0xdb/0x760 [ 29.289871][ T1901] __kmalloc_noprof+0x443/0x760 [ 29.289874][ T1901] ? alloc_buf.isra.0+0x4b/0x260 [ 29.289884][ T1901] ? do_raw_spin_unlock+0x59/0x250 [ 29.289887][ T1901] alloc_buf.isra.0+0x4b/0x260 [ 29.289893][ T1901] put_chars+0x1e1/0x2f0 [ 29.289897][ T1901] ? __send_to_port+0x420/0x420 [ 29.289908][ T1901] hvc_console_print+0x292/0x780 [ 29.289920][ T1901] ? hvc_write+0x3a0/0x3a0 [ 29.289926][ T1901] ? lock_acquire+0x13c/0x160 [ 29.289933][ T1901] console_emit_next_record+0x22f/0x4c0 [ 29.289939][ T1901] ? devkmsg_read+0x4b0/0x4b0 [ 29.289942][ T1901] ? console_flush_one_record+0x106/0x710 [ 29.289947][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.289951][ T1901] ? lock_acquire+0x13c/0x160 [ 29.289958][ T1901] console_flush_one_record+0x46f/0x710 [ 29.289965][ T1901] ? console_emit_next_record+0x4c0/0x4c0 [ 29.289968][ T1901] ? __lock_acquire+0x518/0xc20 [ 29.289971][ T1901] ? write_ibpb+0xb/0x30 [ 29.289981][ T1901] console_unlock+0xee/0x1f0 [ 29.289986][ T1901] ? console_flush_one_record+0x710/0x710 [ 29.289989][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.289992][ T1901] ? lock_acquire+0xe0/0x160 [ 29.289999][ T1901] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.290002][ T1901] ? vprintk_emit+0x320/0x3e0 [ 29.290007][ T1901] vprintk_emit+0x37c/0x3e0 [ 29.290012][ T1901] ? wake_up_klogd_work_func+0x90/0x90 [ 29.290014][ T1901] ? mark_held_locks+0x40/0x70 [ 29.290019][ T1901] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.290022][ T1901] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.290029][ T1901] _printk+0xc7/0x100 [ 29.290034][ T1901] ? snapshot_read.cold+0x21/0x21 [ 29.290048][ T1901] br_set_state+0x22f/0x430 [ 29.290056][ T1901] br_stp_disable_port+0x11f/0x390 [ 29.290062][ T1901] br_device_event+0x7b5/0x8f0 [ 29.290065][ T1901] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 29.290077][ T1901] ? packet_sendmsg_spkt+0x1360/0x1360 [ 29.290087][ T1901] notifier_call_chain+0xae/0x300 [ 29.290097][ T1901] __dev_notify_flags+0x23c/0x450 [ 29.290105][ T1901] ? netif_change_name+0x8c0/0x8c0 [ 29.290111][ T1901] ? netif_set_allmulti+0x2c0/0x2c0 [ 29.290117][ T1901] ? __kernel_text_address+0x12/0x30 [ 29.290120][ T1901] ? write_profile+0xf0/0xf0 [ 29.290128][ T1901] netif_change_flags+0xfe/0x190 [ 29.290135][ T1901] do_setlink.isra.0+0x1d25/0x2a60 [ 29.290141][ T1901] ? stack_trace_save+0x93/0xc0 [ 29.290145][ T1901] ? rtnl_link_get_size+0x350/0x350 [ 29.290147][ T1901] ? rcu_read_lock_any_held+0x66/0x90 [ 29.290150][ T1901] ? stack_depot_save_flags+0x38e/0x790 [ 29.290155][ T1901] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.290158][ T1901] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.290162][ T1901] ? validate_chain+0x38b/0xc20 [ 29.290166][ T1901] ? kasan_save_stack+0x3d/0x50 [ 29.290169][ T1901] ? kasan_save_stack+0x2f/0x50 [ 29.290171][ T1901] ? kasan_save_track+0x14/0x30 [ 29.290173][ T1901] ? __kasan_kmalloc+0x7b/0x90 [ 29.290177][ T1901] ? __lock_acquire+0x518/0xc20 [ 29.290181][ T1901] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 29.290185][ T1901] ? ___sys_sendmsg+0xd0/0x1d0 [ 29.290191][ T1901] ? lock_acquire.part.0+0xd4/0x280 [ 29.290194][ T1901] ? rtnl_newlink+0x9a8/0x11b0 [ 29.290199][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.290202][ T1901] ? lock_acquire+0x13c/0x160 [ 29.290204][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.290206][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.290209][ T1901] ? trace_contention_end+0xb3/0x180 [ 29.290213][ T1901] ? __mutex_lock+0x1db/0x1ea0 [ 29.290216][ T1901] ? __mutex_lock+0x9a3/0x1ea0 [ 29.290219][ T1901] ? rtnl_newlink+0x9a8/0x11b0 [ 29.290225][ T1901] ? ww_mutex_lock+0x160/0x160 [ 29.290232][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.290236][ T1901] ? __rtnl_newlink+0x3fa/0xa50 [ 29.290246][ T1901] rtnl_newlink+0x9f1/0x11b0 [ 29.290256][ T1901] ? rtnl_bridge_getlink+0x850/0x850 [ 29.290259][ T1901] ? __lock_acquire+0x518/0xc20 [ 29.290268][ T1901] ? lock_acquire.part.0+0xd4/0x280 [ 29.290271][ T1901] ? find_held_lock+0x2b/0x80 [ 29.290274][ T1901] ? rtnl_bridge_getlink+0x850/0x850 [ 29.290278][ T1901] ? __lock_release.isra.0+0x69/0x1a0 [ 29.290284][ T1901] ? rtnl_bridge_getlink+0x850/0x850 [ 29.290288][ T1901] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.290294][ T1901] ? rtnl_link_fill+0x920/0x920 [ 29.290296][ T1901] ? __lock_acquire+0x518/0xc20 [ 29.290304][ T1901] ? lock_acquire.part.0+0xd4/0x280 [ 29.290307][ T1901] ? find_held_lock+0x2b/0x80 [ 29.290314][ T1901] netlink_rcv_skb+0x14e/0x3a0 [ 29.290318][ T1901] ? rtnl_link_fill+0x920/0x920 [ 29.290323][ T1901] ? netlink_ack+0xcf0/0xcf0 [ 29.290335][ T1901] ? netlink_deliver_tap+0xc5/0x330 [ 29.290338][ T1901] ? netlink_deliver_tap+0x13c/0x330 [ 29.290346][ T1901] netlink_unicast+0x486/0x750 [ 29.290353][ T1901] ? netlink_attachskb+0x810/0x810 [ 29.290357][ T1901] ? find_held_lock+0x2b/0x80 [ 29.290366][ T1901] netlink_sendmsg+0x75b/0xc90 [ 29.290373][ T1901] ? netlink_unicast+0x750/0x750 [ 29.290379][ T1901] ? __lock_release.isra.0+0x69/0x1a0 [ 29.290382][ T1901] ? __import_iovec+0x36c/0x620 [ 29.290391][ T1901] __sock_sendmsg+0xce/0x190 [ 29.290396][ T1901] ____sys_sendmsg+0x61a/0x860 [ 29.290399][ T1901] ? copy_msghdr_from_user+0x279/0x420 [ 29.290403][ T1901] ? sock_write_iter+0x400/0x400 [ 29.290405][ T1901] ? move_addr_to_kernel+0x40/0x40 [ 29.290419][ T1901] ___sys_sendmsg+0x14e/0x1d0 [ 29.290424][ T1901] ? copy_msghdr_from_user+0x420/0x420 [ 29.290455][ T1901] __sys_sendmsg+0x12c/0x1d0 [ 29.290460][ T1901] ? __sys_sendmsg_sock+0x20/0x20 [ 29.290471][ T1901] ? rcu_is_watching+0x16/0xd0 [ 29.290477][ T1901] do_syscall_64+0xff/0x530 [ 29.290480][ T1901] ? exc_page_fault+0xee/0x100 [ 29.290485][ T1901] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.290489][ T1901] RIP: 0033:0x7fbd8512454e [ 29.290492][ T1901] 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 [ 29.290494][ T1901] RSP: 002b:00007ffc97aa9cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.290498][ T1901] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd8512454e [ 29.290500][ T1901] RDX: 0000000000000000 RSI: 00007ffc97aa9d60 RDI: 0000000000000005 [ 29.290502][ T1901] RBP: 00007ffc97aa9cc0 R08: 0000000000000000 R09: 0000000000000000 [ 29.290503][ T1901] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b08a [ 29.290504][ T1901] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97aaa420 [ 29.290518][ T1901] [ 29.688545][ T1939] br: port 2(d2) entered blocking state [ 29.688839][ T1939] br: port 2(d2) entered forwarding state [ 29.732168][ T36] br: port 1(d1) entered blocking state [ 29.732429][ T36] br: port 1(d1) entered forwarding state [ 29.824033][ T1949] br: port 1(d1) entered disabled state [ 29.917440][ T1957] br: port 2(d2) entered disabled state [ 30.014614][ T1965] br: port 3(d3) entered disabled state [ 30.594704][ T641] br: port 3(d3) entered blocking state [ 30.594727][ T641] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.594729][ T641] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 641, name: kworker/u18:2 [ 30.594731][ T641] preempt_count: 202, expected: 0 [ 30.594732][ T641] RCU nest depth: 0, expected: 0 [ 30.594733][ T641] locks held by kworker/u18:2/641: 8, last CPU#1: [ 30.594735][ T641] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 30.594749][ T641] #1: ffa0000002597d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 30.594754][ T641] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 30.594759][ T641] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 30.594765][ T641] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.594769][ T641] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.594774][ T641] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.594778][ T641] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 30.594782][ T641] irq event stamp: 119339 [ 30.594783][ T641] hardirqs last enabled at (119338): [] __down_trylock_console_sem+0x86/0xa0 [ 30.594786][ T641] hardirqs last disabled at (119339): [] console_emit_next_record+0x3d4/0x4c0 [ 30.594788][ T641] softirqs last enabled at (119300): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 30.594791][ T641] softirqs last disabled at (119334): [] br_port_carrier_check+0x161/0x430 [ 30.594794][ T641] Preemption disabled at: [ 30.594794][ T641] [<0000000000000000>] 0x0 [ 30.594802][ T641] CPU: 1 UID: 0 PID: 641 Comm: kworker/u18:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.594805][ T641] Tainted: [W]=WARN [ 30.594806][ T641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.594808][ T641] Workqueue: events_unbound linkwatch_event [ 30.594811][ T641] Call Trace: [ 30.594813][ T641] [ 30.594815][ T641] dump_stack_lvl+0x6f/0xa0 [ 30.594822][ T641] __might_resched.cold+0x1fe/0x2c1 [ 30.594826][ T641] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.594830][ T641] ? __kmalloc_noprof+0xdb/0x760 [ 30.594835][ T641] __kmalloc_noprof+0x443/0x760 [ 30.594837][ T641] ? alloc_buf.isra.0+0x4b/0x260 [ 30.594844][ T641] ? do_raw_spin_unlock+0x59/0x250 [ 30.594847][ T641] alloc_buf.isra.0+0x4b/0x260 [ 30.594851][ T641] put_chars+0x1e1/0x2f0 [ 30.594853][ T641] ? __send_to_port+0x420/0x420 [ 30.594856][ T641] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.594859][ T641] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.594862][ T641] ? validate_chain+0x38b/0xc20 [ 30.594867][ T641] hvc_console_print+0x292/0x780 [ 30.594871][ T641] ? mark_usage+0x61/0x170 [ 30.594873][ T641] ? __lock_acquire+0x518/0xc20 [ 30.594875][ T641] ? __lock_acquire+0x518/0xc20 [ 30.594880][ T641] ? hvc_write+0x3a0/0x3a0 [ 30.594881][ T641] ? lock_acquire.part.0+0xd4/0x280 [ 30.594886][ T641] ? lock_acquire+0x13c/0x160 [ 30.594890][ T641] console_emit_next_record+0x22f/0x4c0 [ 30.594895][ T641] ? devkmsg_read+0x4b0/0x4b0 [ 30.594897][ T641] ? console_flush_one_record+0x106/0x710 [ 30.594900][ T641] ? rcu_is_watching+0x16/0xd0 [ 30.594902][ T641] ? lock_acquire+0x13c/0x160 [ 30.594907][ T641] console_flush_one_record+0x46f/0x710 [ 30.594911][ T641] ? console_emit_next_record+0x4c0/0x4c0 [ 30.594913][ T641] ? __lock_acquire+0x518/0xc20 [ 30.594919][ T641] console_unlock+0xee/0x1f0 [ 30.594922][ T641] ? console_flush_one_record+0x710/0x710 [ 30.594924][ T641] ? rcu_is_watching+0x16/0xd0 [ 30.594926][ T641] ? lock_acquire+0xe0/0x160 [ 30.594930][ T641] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.594932][ T641] ? vprintk_emit+0x320/0x3e0 [ 30.594935][ T641] vprintk_emit+0x37c/0x3e0 [ 30.594938][ T641] ? wake_up_klogd_work_func+0x90/0x90 [ 30.594940][ T641] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.594942][ T641] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.594946][ T641] _printk+0xc7/0x100 [ 30.594950][ T641] ? snapshot_read.cold+0x21/0x21 [ 30.594956][ T641] ? lock_acquire.part.0+0xd4/0x280 [ 30.594960][ T641] br_set_state+0x22f/0x430 [ 30.594964][ T641] br_init_port+0xc4/0x200 [ 30.594967][ T641] br_stp_enable_port+0x12/0x50 [ 30.594969][ T641] br_port_carrier_check+0x220/0x430 [ 30.594973][ T641] br_device_event+0x52d/0x8f0 [ 30.594976][ T641] ? packet_sendmsg_spkt+0x1360/0x1360 [ 30.594978][ T641] ? nlmsg_notify+0x62/0x250 [ 30.594986][ T641] notifier_call_chain+0xae/0x300 [ 30.594992][ T641] netif_state_change+0x139/0x3d0 [ 30.594997][ T641] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 30.595002][ T641] ? linkwatch_do_dev+0xae/0xd0 [ 30.595005][ T641] __linkwatch_run_queue+0x350/0x850 [ 30.595008][ T641] ? linkwatch_do_dev+0xd0/0xd0 [ 30.595011][ T641] ? lock_acquire.part.0+0xd4/0x280 [ 30.595015][ T641] linkwatch_event+0x7f/0xb0 [ 30.595018][ T641] ? __linkwatch_run_queue+0x850/0x850 [ 30.595021][ T641] process_one_work+0xe3e/0x1560 [ 30.595028][ T641] ? __queue_delayed_work+0x470/0x470 [ 30.595031][ T641] ? lock_acquire.part.0+0xd4/0x280 [ 30.595040][ T641] worker_thread+0x4f1/0xd60 [ 30.595044][ T641] ? rescuer_thread+0x1340/0x1340 [ 30.595046][ T641] ? __kthread_parkme+0xbd/0x210 [ 30.595049][ T641] ? rescuer_thread+0x1340/0x1340 [ 30.595052][ T641] ? rescuer_thread+0x1340/0x1340 [ 30.595054][ T641] kthread+0x367/0x460 [ 30.595057][ T641] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 30.595060][ T641] ? kthread_affine_preferred+0x4c0/0x4c0 [ 30.595063][ T641] ret_from_fork+0x474/0x6b0 [ 30.595067][ T641] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 30.595071][ T641] ? __switch_to+0x5a3/0xe00 [ 30.595082][ T641] ? kthread_affine_preferred+0x4c0/0x4c0 [ 30.595086][ T641] ret_from_fork_asm+0x11/0x20 [ 30.595095][ T641] [ 30.621043][ T641] br: port 3(d3) entered forwarding state [ 30.665172][ T38] br: port 2(d2) entered blocking state [ 30.665452][ T38] br: port 2(d2) entered forwarding state [ 30.696162][ T39] br: port 1(d1) entered blocking state [ 30.696478][ T39] br: port 1(d1) entered forwarding state [ 31.514357][ T2078] br: port 1(d1) entered disabled state [ 32.204840][ T2129] br: port 1(d1) entered blocking state [ 32.204861][ T2129] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.204863][ T2129] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2129, name: ip [ 32.204864][ T2129] preempt_count: 202, expected: 0 [ 32.204865][ T2129] RCU nest depth: 0, expected: 0 [ 32.204866][ T2129] locks held by ip/2129: 6, last CPU#3: [ 32.204868][ T2129] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 32.204880][ T2129] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 32.204885][ T2129] #2: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.204890][ T2129] #3: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.204894][ T2129] #4: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.204898][ T2129] #5: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.204902][ T2129] irq event stamp: 13971 [ 32.204903][ T2129] hardirqs last enabled at (13970): [] __down_trylock_console_sem+0x86/0xa0 [ 32.204906][ T2129] hardirqs last disabled at (13971): [] console_emit_next_record+0x3d4/0x4c0 [ 32.204908][ T2129] softirqs last enabled at (13932): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 32.204911][ T2129] softirqs last disabled at (13966): [] br_device_event+0x5fd/0x8f0 [ 32.204913][ T2129] Preemption disabled at: [ 32.204914][ T2129] [<0000000000000000>] 0x0 [ 32.204920][ T2129] CPU: 3 UID: 0 PID: 2129 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.204924][ T2129] Tainted: [W]=WARN [ 32.204925][ T2129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.204927][ T2129] Call Trace: [ 32.204928][ T2129] [ 32.204930][ T2129] dump_stack_lvl+0x6f/0xa0 [ 32.204936][ T2129] __might_resched.cold+0x1fe/0x2c1 [ 32.204941][ T2129] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.204945][ T2129] ? __kmalloc_noprof+0xdb/0x760 [ 32.204949][ T2129] __kmalloc_noprof+0x443/0x760 [ 32.204951][ T2129] ? alloc_buf.isra.0+0x4b/0x260 [ 32.204958][ T2129] ? do_raw_spin_unlock+0x59/0x250 [ 32.204960][ T2129] alloc_buf.isra.0+0x4b/0x260 [ 32.204964][ T2129] put_chars+0x1e1/0x2f0 [ 32.204966][ T2129] ? __send_to_port+0x420/0x420 [ 32.204968][ T2129] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.204971][ T2129] ? validate_chain+0x38b/0xc20 [ 32.204977][ T2129] hvc_console_print+0x292/0x780 [ 32.204984][ T2129] ? hvc_write+0x3a0/0x3a0 [ 32.204987][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.204989][ T2129] ? lock_acquire+0x13c/0x160 [ 32.204993][ T2129] console_emit_next_record+0x22f/0x4c0 [ 32.204997][ T2129] ? devkmsg_read+0x4b0/0x4b0 [ 32.204999][ T2129] ? console_flush_one_record+0x106/0x710 [ 32.205002][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205003][ T2129] ? lock_acquire+0x13c/0x160 [ 32.205007][ T2129] console_flush_one_record+0x46f/0x710 [ 32.205011][ T2129] ? console_emit_next_record+0x4c0/0x4c0 [ 32.205013][ T2129] ? __lock_acquire+0x518/0xc20 [ 32.205019][ T2129] console_unlock+0xee/0x1f0 [ 32.205021][ T2129] ? console_flush_one_record+0x710/0x710 [ 32.205023][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205025][ T2129] ? lock_acquire+0xe0/0x160 [ 32.205029][ T2129] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.205030][ T2129] ? vprintk_emit+0x320/0x3e0 [ 32.205033][ T2129] vprintk_emit+0x37c/0x3e0 [ 32.205036][ T2129] ? wake_up_klogd_work_func+0x90/0x90 [ 32.205038][ T2129] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.205040][ T2129] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.205045][ T2129] _printk+0xc7/0x100 [ 32.205049][ T2129] ? snapshot_read.cold+0x21/0x21 [ 32.205054][ T2129] ? lock_acquire.part.0+0xd4/0x280 [ 32.205057][ T2129] br_set_state+0x22f/0x430 [ 32.205062][ T2129] br_init_port+0xc4/0x200 [ 32.205065][ T2129] br_stp_enable_port+0x12/0x50 [ 32.205067][ T2129] br_device_event+0x605/0x8f0 [ 32.205069][ T2129] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.205071][ T2129] ? nlmsg_notify+0x62/0x250 [ 32.205078][ T2129] notifier_call_chain+0xae/0x300 [ 32.205090][ T2129] __dev_notify_flags+0x1b7/0x450 [ 32.205096][ T2129] ? netif_change_name+0x8c0/0x8c0 [ 32.205099][ T2129] ? netif_set_allmulti+0x2c0/0x2c0 [ 32.205102][ T2129] ? kernel_text_address+0x149/0x170 [ 32.205105][ T2129] ? __kernel_text_address+0x12/0x30 [ 32.205106][ T2129] ? write_profile+0xf0/0xf0 [ 32.205111][ T2129] netif_change_flags+0xfe/0x190 [ 32.205115][ T2129] do_setlink.isra.0+0x1d25/0x2a60 [ 32.205118][ T2129] ? stack_trace_save+0x93/0xc0 [ 32.205121][ T2129] ? rtnl_link_get_size+0x350/0x350 [ 32.205122][ T2129] ? rcu_read_lock_any_held+0x66/0x90 [ 32.205124][ T2129] ? stack_depot_save_flags+0x38e/0x790 [ 32.205127][ T2129] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.205129][ T2129] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.205131][ T2129] ? validate_chain+0x38b/0xc20 [ 32.205133][ T2129] ? kasan_save_stack+0x3d/0x50 [ 32.205136][ T2129] ? kasan_save_stack+0x2f/0x50 [ 32.205137][ T2129] ? kasan_save_track+0x14/0x30 [ 32.205138][ T2129] ? __kasan_kmalloc+0x7b/0x90 [ 32.205140][ T2129] ? __lock_acquire+0x518/0xc20 [ 32.205142][ T2129] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 32.205145][ T2129] ? ___sys_sendmsg+0xd0/0x1d0 [ 32.205149][ T2129] ? lock_acquire.part.0+0xd4/0x280 [ 32.205151][ T2129] ? rtnl_newlink+0x9a8/0x11b0 [ 32.205154][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205155][ T2129] ? lock_acquire+0x13c/0x160 [ 32.205157][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205158][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205160][ T2129] ? trace_contention_end+0xb3/0x180 [ 32.205162][ T2129] ? __mutex_lock+0x1db/0x1ea0 [ 32.205165][ T2129] ? __mutex_lock+0x9a3/0x1ea0 [ 32.205167][ T2129] ? rtnl_newlink+0x9a8/0x11b0 [ 32.205170][ T2129] ? ww_mutex_lock+0x160/0x160 [ 32.205174][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205176][ T2129] ? __rtnl_newlink+0x3fa/0xa50 [ 32.205181][ T2129] rtnl_newlink+0x9f1/0x11b0 [ 32.205186][ T2129] ? rtnl_bridge_getlink+0x850/0x850 [ 32.205188][ T2129] ? __lock_acquire+0x518/0xc20 [ 32.205192][ T2129] ? lock_acquire.part.0+0xd4/0x280 [ 32.205194][ T2129] ? find_held_lock+0x2b/0x80 [ 32.205197][ T2129] ? rtnl_bridge_getlink+0x850/0x850 [ 32.205198][ T2129] ? __lock_release.isra.0+0x69/0x1a0 [ 32.205202][ T2129] ? rtnl_bridge_getlink+0x850/0x850 [ 32.205204][ T2129] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.205207][ T2129] ? rtnl_link_fill+0x920/0x920 [ 32.205209][ T2129] ? __lock_acquire+0x518/0xc20 [ 32.205213][ T2129] ? lock_acquire.part.0+0xd4/0x280 [ 32.205215][ T2129] ? find_held_lock+0x2b/0x80 [ 32.205218][ T2129] netlink_rcv_skb+0x14e/0x3a0 [ 32.205220][ T2129] ? rtnl_link_fill+0x920/0x920 [ 32.205223][ T2129] ? netlink_ack+0xcf0/0xcf0 [ 32.205231][ T2129] ? netlink_deliver_tap+0xc5/0x330 [ 32.205233][ T2129] ? netlink_deliver_tap+0x13c/0x330 [ 32.205238][ T2129] netlink_unicast+0x486/0x750 [ 32.205242][ T2129] ? netlink_attachskb+0x810/0x810 [ 32.205244][ T2129] ? find_held_lock+0x2b/0x80 [ 32.205249][ T2129] netlink_sendmsg+0x75b/0xc90 [ 32.205253][ T2129] ? netlink_unicast+0x750/0x750 [ 32.205256][ T2129] ? __lock_release.isra.0+0x69/0x1a0 [ 32.205258][ T2129] ? __import_iovec+0x36c/0x620 [ 32.205263][ T2129] __sock_sendmsg+0xce/0x190 [ 32.205266][ T2129] ____sys_sendmsg+0x61a/0x860 [ 32.205268][ T2129] ? copy_msghdr_from_user+0x279/0x420 [ 32.205271][ T2129] ? sock_write_iter+0x400/0x400 [ 32.205272][ T2129] ? move_addr_to_kernel+0x40/0x40 [ 32.205280][ T2129] ___sys_sendmsg+0x14e/0x1d0 [ 32.205282][ T2129] ? copy_msghdr_from_user+0x420/0x420 [ 32.205298][ T2129] __sys_sendmsg+0x12c/0x1d0 [ 32.205301][ T2129] ? __sys_sendmsg_sock+0x20/0x20 [ 32.205308][ T2129] ? rcu_is_watching+0x16/0xd0 [ 32.205311][ T2129] do_syscall_64+0xff/0x530 [ 32.205314][ T2129] ? exc_page_fault+0xee/0x100 [ 32.205316][ T2129] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.205319][ T2129] RIP: 0033:0x7ff35b49754e [ 32.205321][ T2129] 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 [ 32.205323][ T2129] RSP: 002b:00007ffd663d24f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.205325][ T2129] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff35b49754e [ 32.205327][ T2129] RDX: 0000000000000000 RSI: 00007ffd663d25a0 RDI: 0000000000000005 [ 32.205328][ T2129] RBP: 00007ffd663d2500 R08: 0000000000000000 R09: 0000000000000000 [ 32.205328][ T2129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b08d [ 32.205329][ T2129] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd663d2c60 [ 32.205336][ T2129] [ 32.244515][ T2129] br: port 1(d1) entered forwarding state [ 32.348052][ T2137] br: port 2(d2) entered disabled state [ 32.983180][ T39] br: port 2(d2) entered blocking state [ 32.983484][ T39] br: port 2(d2) entered forwarding state [ 33.081462][ T2196] br: port 1(d1) entered disabled state [ 33.176002][ T2204] br: port 2(d2) entered disabled state [ 33.876383][ T36] br: port 2(d2) entered blocking state [ 33.876407][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.876410][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 33.876412][ T36] preempt_count: 202, expected: 0 [ 33.876414][ T36] RCU nest depth: 0, expected: 0 [ 33.876415][ T36] locks held by kworker/u17:0/36: 8, last CPU#0: [ 33.876418][ T36] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 33.876434][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 33.876440][ T36] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 33.876448][ T36] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 33.876456][ T36] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 33.876462][ T36] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 33.876468][ T36] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 33.876474][ T36] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 33.876480][ T36] irq event stamp: 299423 [ 33.876481][ T36] hardirqs last enabled at (299422): [] __down_trylock_console_sem+0x86/0xa0 [ 33.876485][ T36] hardirqs last disabled at (299423): [] console_emit_next_record+0x3d4/0x4c0 [ 33.876488][ T36] softirqs last enabled at (299384): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 33.876492][ T36] softirqs last disabled at (299418): [] br_port_carrier_check+0x161/0x430 [ 33.876496][ T36] Preemption disabled at: [ 33.876497][ T36] [<0000000000000000>] 0x0 [ 33.876506][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.876511][ T36] Tainted: [W]=WARN [ 33.876512][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.876515][ T36] Workqueue: events_unbound linkwatch_event [ 33.876519][ T36] Call Trace: [ 33.876521][ T36] [ 33.876523][ T36] dump_stack_lvl+0x6f/0xa0 [ 33.876533][ T36] __might_resched.cold+0x1fe/0x2c1 [ 33.876539][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.876544][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 33.876551][ T36] __kmalloc_noprof+0x443/0x760 [ 33.876555][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 33.876564][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 33.876568][ T36] alloc_buf.isra.0+0x4b/0x260 [ 33.876574][ T36] put_chars+0x1e1/0x2f0 [ 33.876579][ T36] ? __send_to_port+0x420/0x420 [ 33.876583][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.876588][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.876592][ T36] ? validate_chain+0x38b/0xc20 [ 33.876599][ T36] hvc_console_print+0x292/0x780 [ 33.876604][ T36] ? mark_usage+0x61/0x170 [ 33.876607][ T36] ? __lock_acquire+0x518/0xc20 [ 33.876609][ T36] ? __lock_acquire+0x518/0xc20 [ 33.876617][ T36] ? hvc_write+0x3a0/0x3a0 [ 33.876620][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 33.876627][ T36] ? lock_acquire+0x13c/0x160 [ 33.876635][ T36] console_emit_next_record+0x22f/0x4c0 [ 33.876641][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 33.876644][ T36] ? console_flush_one_record+0x106/0x710 [ 33.876650][ T36] ? rcu_is_watching+0x16/0xd0 [ 33.876653][ T36] ? lock_acquire+0x13c/0x160 [ 33.876660][ T36] console_flush_one_record+0x46f/0x710 [ 33.876668][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 33.876671][ T36] ? __lock_acquire+0x518/0xc20 [ 33.876681][ T36] console_unlock+0xee/0x1f0 [ 33.876685][ T36] ? console_flush_one_record+0x710/0x710 [ 33.876688][ T36] ? rcu_is_watching+0x16/0xd0 [ 33.876691][ T36] ? lock_acquire+0xe0/0x160 [ 33.876698][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.876701][ T36] ? vprintk_emit+0x320/0x3e0 [ 33.876706][ T36] vprintk_emit+0x37c/0x3e0 [ 33.876712][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 33.876715][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.876719][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.876728][ T36] _printk+0xc7/0x100 [ 33.876734][ T36] ? snapshot_read.cold+0x21/0x21 [ 33.876743][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 33.876750][ T36] br_set_state+0x22f/0x430 [ 33.876757][ T36] br_init_port+0xc4/0x200 [ 33.876761][ T36] br_stp_enable_port+0x12/0x50 [ 33.876764][ T36] br_port_carrier_check+0x220/0x430 [ 33.876770][ T36] br_device_event+0x52d/0x8f0 [ 33.876775][ T36] ? packet_sendmsg_spkt+0x1360/0x1360 [ 33.876778][ T36] ? nlmsg_notify+0x62/0x250 [ 33.876789][ T36] notifier_call_chain+0xae/0x300 [ 33.876799][ T36] netif_state_change+0x139/0x3d0 [ 33.876806][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 33.876814][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 33.876818][ T36] __linkwatch_run_queue+0x350/0x850 [ 33.876823][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 33.876828][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 33.876835][ T36] linkwatch_event+0x7f/0xb0 [ 33.876839][ T36] ? __linkwatch_run_queue+0x850/0x850 [ 33.876845][ T36] process_one_work+0xe3e/0x1560 [ 33.876857][ T36] ? __queue_delayed_work+0x470/0x470 [ 33.876862][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 33.876876][ T36] worker_thread+0x4f1/0xd60 [ 33.876888][ T36] ? rescuer_thread+0x1340/0x1340 [ 33.876892][ T36] kthread+0x367/0x460 [ 33.876895][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.876899][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 33.876904][ T36] ret_from_fork+0x474/0x6b0 [ 33.876910][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 33.876916][ T36] ? __switch_to+0x5a3/0xe00 [ 33.876921][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 33.876926][ T36] ret_from_fork_asm+0x11/0x20 [ 33.876940][ T36] [ 33.915655][ T36] br: port 2(d2) entered forwarding state [ 33.932503][ T39] br: port 1(d1) entered blocking state [ 33.932740][ T39] br: port 1(d1) entered forwarding state [ 34.046696][ T2265] br: port 1(d1) entered disabled state [ 34.136367][ T2273] br: port 2(d2) entered disabled state [ 34.242554][ T2281] br: port 3(d3) entered disabled state [ 34.920599][ T202] br: port 3(d3) entered blocking state [ 34.920620][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.920622][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: kworker/u19:2 [ 34.920624][ T202] preempt_count: 202, expected: 0 [ 34.920625][ T202] RCU nest depth: 0, expected: 0 [ 34.920626][ T202] locks held by kworker/u19:2/202: 8, last CPU#2: [ 34.920628][ T202] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 34.920641][ T202] #1: ffa0000001967d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 34.920645][ T202] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 34.920651][ T202] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 34.920656][ T202] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.920661][ T202] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.920665][ T202] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.920668][ T202] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.920673][ T202] irq event stamp: 50141 [ 34.920674][ T202] hardirqs last enabled at (50140): [] __down_trylock_console_sem+0x86/0xa0 [ 34.920677][ T202] hardirqs last disabled at (50141): [] console_emit_next_record+0x3d4/0x4c0 [ 34.920679][ T202] softirqs last enabled at (50102): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 34.920682][ T202] softirqs last disabled at (50136): [] br_port_carrier_check+0x161/0x430 [ 34.920685][ T202] Preemption disabled at: [ 34.920685][ T202] [<0000000000000000>] 0x0 [ 34.920692][ T202] CPU: 2 UID: 0 PID: 202 Comm: kworker/u19:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.920696][ T202] Tainted: [W]=WARN [ 34.920697][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.920699][ T202] Workqueue: events_unbound linkwatch_event [ 34.920702][ T202] Call Trace: [ 34.920704][ T202] [ 34.920705][ T202] dump_stack_lvl+0x6f/0xa0 [ 34.920712][ T202] __might_resched.cold+0x1fe/0x2c1 [ 34.920717][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.920721][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 34.920728][ T202] __kmalloc_noprof+0x443/0x760 [ 34.920730][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 34.920737][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 34.920740][ T202] alloc_buf.isra.0+0x4b/0x260 [ 34.920744][ T202] put_chars+0x1e1/0x2f0 [ 34.920746][ T202] ? __send_to_port+0x420/0x420 [ 34.920749][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.920752][ T202] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.920755][ T202] ? validate_chain+0x38b/0xc20 [ 34.920760][ T202] hvc_console_print+0x292/0x780 [ 34.920764][ T202] ? mark_usage+0x61/0x170 [ 34.920766][ T202] ? __lock_acquire+0x518/0xc20 [ 34.920767][ T202] ? __lock_acquire+0x518/0xc20 [ 34.920772][ T202] ? hvc_write+0x3a0/0x3a0 [ 34.920774][ T202] ? lock_acquire.part.0+0xd4/0x280 [ 34.920778][ T202] ? lock_acquire+0x13c/0x160 [ 34.920782][ T202] console_emit_next_record+0x22f/0x4c0 [ 34.920787][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 34.920789][ T202] ? console_flush_one_record+0x106/0x710 [ 34.920792][ T202] ? rcu_is_watching+0x16/0xd0 [ 34.920794][ T202] ? lock_acquire+0x13c/0x160 [ 34.920798][ T202] console_flush_one_record+0x46f/0x710 [ 34.920802][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 34.920804][ T202] ? __lock_acquire+0x518/0xc20 [ 34.920810][ T202] console_unlock+0xee/0x1f0 [ 34.920813][ T202] ? console_flush_one_record+0x710/0x710 [ 34.920815][ T202] ? rcu_is_watching+0x16/0xd0 [ 34.920817][ T202] ? lock_acquire+0xe0/0x160 [ 34.920821][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.920822][ T202] ? vprintk_emit+0x320/0x3e0 [ 34.920825][ T202] vprintk_emit+0x37c/0x3e0 [ 34.920829][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 34.920831][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.920833][ T202] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.920837][ T202] _printk+0xc7/0x100 [ 34.920840][ T202] ? snapshot_read.cold+0x21/0x21 [ 34.920846][ T202] ? lock_acquire.part.0+0xd4/0x280 [ 34.920850][ T202] br_set_state+0x22f/0x430 [ 34.920854][ T202] br_init_port+0xc4/0x200 [ 34.920857][ T202] br_stp_enable_port+0x12/0x50 [ 34.920859][ T202] br_port_carrier_check+0x220/0x430 [ 34.920863][ T202] br_device_event+0x52d/0x8f0 [ 34.920867][ T202] ? packet_sendmsg_spkt+0x1360/0x1360 [ 34.920868][ T202] ? nlmsg_notify+0x62/0x250 [ 34.920876][ T202] notifier_call_chain+0xae/0x300 [ 34.920882][ T202] netif_state_change+0x139/0x3d0 [ 34.920887][ T202] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 34.920892][ T202] ? linkwatch_do_dev+0xae/0xd0 [ 34.920894][ T202] __linkwatch_run_queue+0x350/0x850 [ 34.920897][ T202] ? linkwatch_do_dev+0xd0/0xd0 [ 34.920900][ T202] ? lock_acquire.part.0+0xd4/0x280 [ 34.920904][ T202] linkwatch_event+0x7f/0xb0 [ 34.920907][ T202] ? __linkwatch_run_queue+0x850/0x850 [ 34.920910][ T202] process_one_work+0xe3e/0x1560 [ 34.920917][ T202] ? __queue_delayed_work+0x470/0x470 [ 34.920920][ T202] ? lock_acquire.part.0+0xd4/0x280 [ 34.920928][ T202] worker_thread+0x4f1/0xd60 [ 34.920932][ T202] ? rescuer_thread+0x1340/0x1340 [ 34.920934][ T202] ? __kthread_parkme+0xbd/0x210 [ 34.920937][ T202] ? rescuer_thread+0x1340/0x1340 [ 34.920940][ T202] ? rescuer_thread+0x1340/0x1340 [ 34.920942][ T202] kthread+0x367/0x460 [ 34.920945][ T202] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.920948][ T202] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.920951][ T202] ret_from_fork+0x474/0x6b0 [ 34.920956][ T202] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 34.920959][ T202] ? __switch_to+0x5a3/0xe00 [ 34.920963][ T202] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.920966][ T202] ret_from_fork_asm+0x11/0x20 [ 34.920975][ T202] [ 34.951291][ T202] br: port 3(d3) entered forwarding state [ 34.955656][ T39] br: port 2(d2) entered blocking state [ 34.956037][ T39] br: port 2(d2) entered forwarding state [ 34.991875][ T39] br: port 1(d1) entered blocking state [ 34.992131][ T39] br: port 1(d1) entered forwarding state [ 35.726668][ T2392] br: port 1(d1) entered disabled state [ 36.366449][ T39] br: port 1(d1) entered blocking state [ 36.366470][ T39] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.366472][ T39] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 39, name: kworker/u20:0 [ 36.366474][ T39] preempt_count: 202, expected: 0 [ 36.366474][ T39] RCU nest depth: 0, expected: 0 [ 36.366475][ T39] locks held by kworker/u20:0/39: 8, last CPU#3: [ 36.366478][ T39] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 36.366491][ T39] #1: ffa00000002bfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 36.366494][ T39] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 36.366500][ T39] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 36.366505][ T39] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 36.366510][ T39] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 36.366513][ T39] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 36.366517][ T39] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 36.366521][ T39] irq event stamp: 435485 [ 36.366522][ T39] hardirqs last enabled at (435484): [] __down_trylock_console_sem+0x86/0xa0 [ 36.366525][ T39] hardirqs last disabled at (435485): [] console_emit_next_record+0x3d4/0x4c0 [ 36.366527][ T39] softirqs last enabled at (435446): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 36.366529][ T39] softirqs last disabled at (435480): [] br_port_carrier_check+0x161/0x430 [ 36.366532][ T39] Preemption disabled at: [ 36.366532][ T39] [<0000000000000000>] 0x0 [ 36.366539][ T39] CPU: 3 UID: 0 PID: 39 Comm: kworker/u20:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.366543][ T39] Tainted: [W]=WARN [ 36.366544][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.366545][ T39] Workqueue: events_unbound linkwatch_event [ 36.366548][ T39] Call Trace: [ 36.366550][ T39] [ 36.366551][ T39] dump_stack_lvl+0x6f/0xa0 [ 36.366558][ T39] __might_resched.cold+0x1fe/0x2c1 [ 36.366562][ T39] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.366566][ T39] ? __kmalloc_noprof+0xdb/0x760 [ 36.366570][ T39] __kmalloc_noprof+0x443/0x760 [ 36.366572][ T39] ? alloc_buf.isra.0+0x4b/0x260 [ 36.366579][ T39] ? do_raw_spin_unlock+0x59/0x250 [ 36.366581][ T39] alloc_buf.isra.0+0x4b/0x260 [ 36.366585][ T39] put_chars+0x1e1/0x2f0 [ 36.366588][ T39] ? __send_to_port+0x420/0x420 [ 36.366590][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.366593][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.366596][ T39] ? validate_chain+0x38b/0xc20 [ 36.366600][ T39] hvc_console_print+0x292/0x780 [ 36.366604][ T39] ? mark_usage+0x61/0x170 [ 36.366606][ T39] ? __lock_acquire+0x518/0xc20 [ 36.366608][ T39] ? __lock_acquire+0x518/0xc20 [ 36.366612][ T39] ? hvc_write+0x3a0/0x3a0 [ 36.366614][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 36.366618][ T39] ? lock_acquire+0x13c/0x160 [ 36.366623][ T39] console_emit_next_record+0x22f/0x4c0 [ 36.366627][ T39] ? devkmsg_read+0x4b0/0x4b0 [ 36.366628][ T39] ? console_flush_one_record+0x106/0x710 [ 36.366632][ T39] ? rcu_is_watching+0x16/0xd0 [ 36.366634][ T39] ? lock_acquire+0x13c/0x160 [ 36.366638][ T39] console_flush_one_record+0x46f/0x710 [ 36.366642][ T39] ? console_emit_next_record+0x4c0/0x4c0 [ 36.366644][ T39] ? __lock_acquire+0x518/0xc20 [ 36.366650][ T39] console_unlock+0xee/0x1f0 [ 36.366652][ T39] ? console_flush_one_record+0x710/0x710 [ 36.366654][ T39] ? rcu_is_watching+0x16/0xd0 [ 36.366656][ T39] ? lock_acquire+0xe0/0x160 [ 36.366660][ T39] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.366662][ T39] ? vprintk_emit+0x320/0x3e0 [ 36.366664][ T39] vprintk_emit+0x37c/0x3e0 [ 36.366667][ T39] ? wake_up_klogd_work_func+0x90/0x90 [ 36.366670][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.366672][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.366675][ T39] _printk+0xc7/0x100 [ 36.366679][ T39] ? snapshot_read.cold+0x21/0x21 [ 36.366684][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 36.366688][ T39] br_set_state+0x22f/0x430 [ 36.366692][ T39] br_init_port+0xc4/0x200 [ 36.366695][ T39] br_stp_enable_port+0x12/0x50 [ 36.366697][ T39] br_port_carrier_check+0x220/0x430 [ 36.366700][ T39] br_device_event+0x52d/0x8f0 [ 36.366704][ T39] ? packet_sendmsg_spkt+0x1360/0x1360 [ 36.366705][ T39] ? nlmsg_notify+0x62/0x250 [ 36.366713][ T39] notifier_call_chain+0xae/0x300 [ 36.366718][ T39] netif_state_change+0x139/0x3d0 [ 36.366723][ T39] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 36.366731][ T39] ? linkwatch_do_dev+0xae/0xd0 [ 36.366733][ T39] __linkwatch_run_queue+0x350/0x850 [ 36.366736][ T39] ? linkwatch_do_dev+0xd0/0xd0 [ 36.366739][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 36.366743][ T39] linkwatch_event+0x7f/0xb0 [ 36.366746][ T39] ? __linkwatch_run_queue+0x850/0x850 [ 36.366749][ T39] process_one_work+0xe3e/0x1560 [ 36.366756][ T39] ? __queue_delayed_work+0x470/0x470 [ 36.366759][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 36.366766][ T39] worker_thread+0x4f1/0xd60 [ 36.366773][ T39] ? rescuer_thread+0x1340/0x1340 [ 36.366775][ T39] kthread+0x367/0x460 [ 36.366778][ T39] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.366781][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 36.366784][ T39] ret_from_fork+0x474/0x6b0 [ 36.366788][ T39] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 36.366792][ T39] ? __switch_to+0x5a3/0xe00 [ 36.366795][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 36.366798][ T39] ret_from_fork_asm+0x11/0x20 [ 36.366807][ T39] [ 36.389998][ T39] br: port 1(d1) entered forwarding state [ 36.469583][ T2451] br: port 2(d2) entered disabled state [ 37.056323][ T2502] br: port 2(d2) entered blocking state [ 37.056658][ T2502] br: port 2(d2) entered forwarding state [ 37.138141][ T2510] br: port 1(d1) entered disabled state [ 37.233106][ T2518] br: port 2(d2) entered disabled state [ 37.854172][ T39] br: port 2(d2) entered blocking state [ 37.854192][ T39] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 37.854194][ T39] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 39, name: kworker/u20:0 [ 37.854196][ T39] preempt_count: 202, expected: 0 [ 37.854197][ T39] RCU nest depth: 0, expected: 0 [ 37.854198][ T39] locks held by kworker/u20:0/39: 8, last CPU#1: [ 37.854200][ T39] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 37.854212][ T39] #1: ffa00000002bfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 37.854216][ T39] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 37.854222][ T39] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 37.854227][ T39] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 37.854232][ T39] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 37.854236][ T39] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 37.854239][ T39] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 37.854243][ T39] irq event stamp: 456061 [ 37.854244][ T39] hardirqs last enabled at (456060): [] __down_trylock_console_sem+0x86/0xa0 [ 37.854247][ T39] hardirqs last disabled at (456061): [] console_emit_next_record+0x3d4/0x4c0 [ 37.854249][ T39] softirqs last enabled at (456022): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 37.854252][ T39] softirqs last disabled at (456056): [] br_port_carrier_check+0x161/0x430 [ 37.854254][ T39] Preemption disabled at: [ 37.854255][ T39] [<0000000000000000>] 0x0 [ 37.854262][ T39] CPU: 1 UID: 0 PID: 39 Comm: kworker/u20:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 37.854266][ T39] Tainted: [W]=WARN [ 37.854267][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.854268][ T39] Workqueue: events_unbound linkwatch_event [ 37.854272][ T39] Call Trace: [ 37.854273][ T39] [ 37.854276][ T39] dump_stack_lvl+0x6f/0xa0 [ 37.854282][ T39] __might_resched.cold+0x1fe/0x2c1 [ 37.854287][ T39] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 37.854291][ T39] ? __kmalloc_noprof+0xdb/0x760 [ 37.854296][ T39] __kmalloc_noprof+0x443/0x760 [ 37.854298][ T39] ? alloc_buf.isra.0+0x4b/0x260 [ 37.854304][ T39] ? do_raw_spin_unlock+0x59/0x250 [ 37.854307][ T39] alloc_buf.isra.0+0x4b/0x260 [ 37.854311][ T39] put_chars+0x1e1/0x2f0 [ 37.854313][ T39] ? __send_to_port+0x420/0x420 [ 37.854316][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 37.854319][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 37.854322][ T39] ? validate_chain+0x38b/0xc20 [ 37.854326][ T39] hvc_console_print+0x292/0x780 [ 37.854330][ T39] ? mark_usage+0x61/0x170 [ 37.854332][ T39] ? __lock_acquire+0x518/0xc20 [ 37.854334][ T39] ? __lock_acquire+0x518/0xc20 [ 37.854338][ T39] ? hvc_write+0x3a0/0x3a0 [ 37.854340][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 37.854345][ T39] ? lock_acquire+0x13c/0x160 [ 37.854349][ T39] console_emit_next_record+0x22f/0x4c0 [ 37.854353][ T39] ? devkmsg_read+0x4b0/0x4b0 [ 37.854355][ T39] ? console_flush_one_record+0x106/0x710 [ 37.854358][ T39] ? rcu_is_watching+0x16/0xd0 [ 37.854360][ T39] ? lock_acquire+0x13c/0x160 [ 37.854364][ T39] console_flush_one_record+0x46f/0x710 [ 37.854368][ T39] ? console_emit_next_record+0x4c0/0x4c0 [ 37.854370][ T39] ? __lock_acquire+0x518/0xc20 [ 37.854375][ T39] console_unlock+0xee/0x1f0 [ 37.854378][ T39] ? console_flush_one_record+0x710/0x710 [ 37.854380][ T39] ? rcu_is_watching+0x16/0xd0 [ 37.854382][ T39] ? lock_acquire+0xe0/0x160 [ 37.854386][ T39] ? __down_trylock_console_sem+0x5e/0xa0 [ 37.854387][ T39] ? vprintk_emit+0x320/0x3e0 [ 37.854390][ T39] vprintk_emit+0x37c/0x3e0 [ 37.854393][ T39] ? wake_up_klogd_work_func+0x90/0x90 [ 37.854395][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 37.854397][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 37.854401][ T39] _printk+0xc7/0x100 [ 37.854405][ T39] ? snapshot_read.cold+0x21/0x21 [ 37.854410][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 37.854414][ T39] br_set_state+0x22f/0x430 [ 37.854418][ T39] br_init_port+0xc4/0x200 [ 37.854421][ T39] br_stp_enable_port+0x12/0x50 [ 37.854423][ T39] br_port_carrier_check+0x220/0x430 [ 37.854427][ T39] br_device_event+0x52d/0x8f0 [ 37.854430][ T39] ? packet_sendmsg_spkt+0x1360/0x1360 [ 37.854432][ T39] ? nlmsg_notify+0x62/0x250 [ 37.854439][ T39] notifier_call_chain+0xae/0x300 [ 37.854445][ T39] netif_state_change+0x139/0x3d0 [ 37.854450][ T39] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 37.854455][ T39] ? linkwatch_do_dev+0xae/0xd0 [ 37.854457][ T39] __linkwatch_run_queue+0x350/0x850 [ 37.854460][ T39] ? linkwatch_do_dev+0xd0/0xd0 [ 37.854462][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 37.854467][ T39] linkwatch_event+0x7f/0xb0 [ 37.854469][ T39] ? __linkwatch_run_queue+0x850/0x850 [ 37.854472][ T39] process_one_work+0xe3e/0x1560 [ 37.854479][ T39] ? __queue_delayed_work+0x470/0x470 [ 37.854482][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 37.854490][ T39] worker_thread+0x4f1/0xd60 [ 37.854497][ T39] ? rescuer_thread+0x1340/0x1340 [ 37.854499][ T39] kthread+0x367/0x460 [ 37.854502][ T39] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 37.854505][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 37.854508][ T39] ret_from_fork+0x474/0x6b0 [ 37.854512][ T39] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 37.854516][ T39] ? __switch_to+0x5a3/0xe00 [ 37.854519][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 37.854522][ T39] ret_from_fork_asm+0x11/0x20 [ 37.854531][ T39] [ 37.876171][ T39] br: port 2(d2) entered forwarding state [ 37.910304][ T38] br: port 1(d1) entered blocking state [ 37.910583][ T38] br: port 1(d1) entered forwarding state [ 38.007762][ T2579] br: port 1(d1) entered disabled state [ 38.108350][ T2587] br: port 2(d2) entered disabled state [ 38.221990][ T2595] br: port 3(d3) entered disabled state [ 38.899172][ T39] br: port 3(d3) entered blocking state [ 38.899193][ T39] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.899196][ T39] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 39, name: kworker/u20:0 [ 38.899197][ T39] preempt_count: 202, expected: 0 [ 38.899198][ T39] RCU nest depth: 0, expected: 0 [ 38.899199][ T39] locks held by kworker/u20:0/39: 8, last CPU#0: [ 38.899202][ T39] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 38.899215][ T39] #1: ffa00000002bfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 38.899219][ T39] #2: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 38.899225][ T39] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 38.899231][ T39] #4: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 38.899236][ T39] #5: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 38.899240][ T39] #6: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 38.899244][ T39] #7: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 38.899248][ T39] irq event stamp: 478233 [ 38.899249][ T39] hardirqs last enabled at (478232): [] __down_trylock_console_sem+0x86/0xa0 [ 38.899252][ T39] hardirqs last disabled at (478233): [] console_emit_next_record+0x3d4/0x4c0 [ 38.899254][ T39] softirqs last enabled at (478194): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 38.899257][ T39] softirqs last disabled at (478228): [] br_port_carrier_check+0x161/0x430 [ 38.899259][ T39] Preemption disabled at: [ 38.899260][ T39] [<0000000000000000>] 0x0 [ 38.899267][ T39] CPU: 0 UID: 0 PID: 39 Comm: kworker/u20:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.899271][ T39] Tainted: [W]=WARN [ 38.899271][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.899273][ T39] Workqueue: events_unbound linkwatch_event [ 38.899277][ T39] Call Trace: [ 38.899279][ T39] [ 38.899280][ T39] dump_stack_lvl+0x6f/0xa0 [ 38.899287][ T39] __might_resched.cold+0x1fe/0x2c1 [ 38.899292][ T39] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.899297][ T39] ? __kmalloc_noprof+0xdb/0x760 [ 38.899301][ T39] __kmalloc_noprof+0x443/0x760 [ 38.899303][ T39] ? alloc_buf.isra.0+0x4b/0x260 [ 38.899310][ T39] ? do_raw_spin_unlock+0x59/0x250 [ 38.899313][ T39] alloc_buf.isra.0+0x4b/0x260 [ 38.899317][ T39] put_chars+0x1e1/0x2f0 [ 38.899320][ T39] ? __send_to_port+0x420/0x420 [ 38.899322][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.899325][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.899328][ T39] ? validate_chain+0x38b/0xc20 [ 38.899333][ T39] hvc_console_print+0x292/0x780 [ 38.899336][ T39] ? mark_usage+0x61/0x170 [ 38.899338][ T39] ? __lock_acquire+0x518/0xc20 [ 38.899340][ T39] ? __lock_acquire+0x518/0xc20 [ 38.899344][ T39] ? hvc_write+0x3a0/0x3a0 [ 38.899346][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 38.899351][ T39] ? lock_acquire+0x13c/0x160 [ 38.899355][ T39] console_emit_next_record+0x22f/0x4c0 [ 38.899359][ T39] ? devkmsg_read+0x4b0/0x4b0 [ 38.899361][ T39] ? console_flush_one_record+0x106/0x710 [ 38.899365][ T39] ? rcu_is_watching+0x16/0xd0 [ 38.899367][ T39] ? lock_acquire+0x13c/0x160 [ 38.899371][ T39] console_flush_one_record+0x46f/0x710 [ 38.899375][ T39] ? console_emit_next_record+0x4c0/0x4c0 [ 38.899377][ T39] ? __lock_acquire+0x518/0xc20 [ 38.899383][ T39] console_unlock+0xee/0x1f0 [ 38.899386][ T39] ? console_flush_one_record+0x710/0x710 [ 38.899387][ T39] ? rcu_is_watching+0x16/0xd0 [ 38.899389][ T39] ? lock_acquire+0xe0/0x160 [ 38.899393][ T39] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.899395][ T39] ? vprintk_emit+0x320/0x3e0 [ 38.899398][ T39] vprintk_emit+0x37c/0x3e0 [ 38.899401][ T39] ? wake_up_klogd_work_func+0x90/0x90 [ 38.899403][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.899405][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.899409][ T39] _printk+0xc7/0x100 [ 38.899413][ T39] ? snapshot_read.cold+0x21/0x21 [ 38.899418][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 38.899422][ T39] br_set_state+0x22f/0x430 [ 38.899426][ T39] br_init_port+0xc4/0x200 [ 38.899429][ T39] br_stp_enable_port+0x12/0x50 [ 38.899431][ T39] br_port_carrier_check+0x220/0x430 [ 38.899435][ T39] br_device_event+0x52d/0x8f0 [ 38.899438][ T39] ? packet_sendmsg_spkt+0x1360/0x1360 [ 38.899440][ T39] ? nlmsg_notify+0x62/0x250 [ 38.899447][ T39] notifier_call_chain+0xae/0x300 [ 38.899453][ T39] netif_state_change+0x139/0x3d0 [ 38.899458][ T39] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 38.899463][ T39] ? linkwatch_do_dev+0xae/0xd0 [ 38.899465][ T39] __linkwatch_run_queue+0x350/0x850 [ 38.899468][ T39] ? linkwatch_do_dev+0xd0/0xd0 [ 38.899471][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 38.899475][ T39] linkwatch_event+0x7f/0xb0 [ 38.899478][ T39] ? __linkwatch_run_queue+0x850/0x850 [ 38.899481][ T39] process_one_work+0xe3e/0x1560 [ 38.899488][ T39] ? __queue_delayed_work+0x470/0x470 [ 38.899491][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 38.899499][ T39] worker_thread+0x4f1/0xd60 [ 38.899506][ T39] ? rescuer_thread+0x1340/0x1340 [ 38.899508][ T39] kthread+0x367/0x460 [ 38.899510][ T39] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.899514][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.899517][ T39] ret_from_fork+0x474/0x6b0 [ 38.899521][ T39] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 38.899524][ T39] ? __switch_to+0x5a3/0xe00 [ 38.899528][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.899531][ T39] ret_from_fork_asm+0x11/0x20 [ 38.899540][ T39] [ 38.929872][ T39] br: port 3(d3) entered forwarding state [ 38.955212][ T39] br: port 2(d2) entered blocking state [ 38.955500][ T39] br: port 2(d2) entered forwarding state [ 38.993882][ T36] br: port 1(d1) entered blocking state [ 38.994147][ T36] br: port 1(d1) entered forwarding state [ 39.726335][ T2699] d3: left allmulticast mode [ 39.732331][ T2699] d3: left promiscuous mode [ 39.732672][ T2699] br: port 3(d3) entered disabled state [ 39.893522][ T2707] d2: left allmulticast mode [ 39.893829][ T2707] d2: left promiscuous mode [ 39.894208][ T2707] br: port 2(d2) entered disabled state [ 40.079910][ T2715] d1: left allmulticast mode [ 40.079929][ T2715] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.079931][ T2715] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2715, name: ip [ 40.079933][ T2715] preempt_count: 1, expected: 0 [ 40.079934][ T2715] RCU nest depth: 0, expected: 0 [ 40.079935][ T2715] locks held by ip/2715: 5, last CPU#2: [ 40.079937][ T2715] #0: ffffffffb971b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 40.079947][ T2715] #1: ffffffffb8f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 40.079953][ T2715] #2: ffffffffb8f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 40.079957][ T2715] #3: ffffffffb8e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 40.079961][ T2715] #4: ffffffffb8e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 40.079965][ T2715] irq event stamp: 14276 [ 40.079966][ T2715] hardirqs last enabled at (14275): [] __down_trylock_console_sem+0x86/0xa0 [ 40.079969][ T2715] hardirqs last disabled at (14276): [] console_emit_next_record+0x3d4/0x4c0 [ 40.079972][ T2715] softirqs last enabled at (14246): [] __alloc_skb+0x4c2/0x5f0 [ 40.079975][ T2715] softirqs last disabled at (14244): [] __alloc_skb+0x4c2/0x5f0 [ 40.079977][ T2715] Preemption disabled at: [ 40.079977][ T2715] [] vprintk_emit+0x31b/0x3e0 [ 40.079983][ T2715] CPU: 2 UID: 0 PID: 2715 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.079986][ T2715] Tainted: [W]=WARN [ 40.079987][ T2715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.079989][ T2715] Call Trace: [ 40.079990][ T2715] [ 40.079992][ T2715] dump_stack_lvl+0x6f/0xa0 [ 40.079998][ T2715] ? vprintk_emit+0x31b/0x3e0 [ 40.079999][ T2715] __might_resched.cold+0x1fe/0x2c1 [ 40.080004][ T2715] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.080008][ T2715] ? __kmalloc_noprof+0xdb/0x760 [ 40.080012][ T2715] __kmalloc_noprof+0x443/0x760 [ 40.080014][ T2715] ? alloc_buf.isra.0+0x4b/0x260 [ 40.080021][ T2715] ? do_raw_spin_unlock+0x59/0x250 [ 40.080024][ T2715] alloc_buf.isra.0+0x4b/0x260 [ 40.080027][ T2715] put_chars+0x1e1/0x2f0 [ 40.080030][ T2715] ? __send_to_port+0x420/0x420 [ 40.080033][ T2715] ? validate_chain+0x38b/0xc20 [ 40.080038][ T2715] hvc_console_print+0x292/0x780 [ 40.080046][ T2715] ? hvc_write+0x3a0/0x3a0 [ 40.080049][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080051][ T2715] ? lock_acquire+0x13c/0x160 [ 40.080055][ T2715] console_emit_next_record+0x22f/0x4c0 [ 40.080059][ T2715] ? devkmsg_read+0x4b0/0x4b0 [ 40.080061][ T2715] ? console_flush_one_record+0x106/0x710 [ 40.080065][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080066][ T2715] ? lock_acquire+0x13c/0x160 [ 40.080070][ T2715] console_flush_one_record+0x46f/0x710 [ 40.080075][ T2715] ? console_emit_next_record+0x4c0/0x4c0 [ 40.080077][ T2715] ? __lock_acquire+0x518/0xc20 [ 40.080082][ T2715] console_unlock+0xee/0x1f0 [ 40.080085][ T2715] ? console_flush_one_record+0x710/0x710 [ 40.080087][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080088][ T2715] ? lock_acquire+0xe0/0x160 [ 40.080092][ T2715] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.080094][ T2715] ? vprintk_emit+0x320/0x3e0 [ 40.080097][ T2715] vprintk_emit+0x37c/0x3e0 [ 40.080100][ T2715] ? wake_up_klogd_work_func+0x90/0x90 [ 40.080101][ T2715] ? rtnl_newlink+0x9f1/0x11b0 [ 40.080102][ T2715] ? netlink_rcv_skb+0x14e/0x3a0 [ 40.080105][ T2715] ? netlink_unicast+0x486/0x750 [ 40.080107][ T2715] ? netlink_sendmsg+0x75b/0xc90 [ 40.080109][ T2715] ? __sock_sendmsg+0xce/0x190 [ 40.080111][ T2715] ? ____sys_sendmsg+0x61a/0x860 [ 40.080118][ T2715] ? ___sys_sendmsg+0x14e/0x1d0 [ 40.080121][ T2715] _printk+0xc7/0x100 [ 40.080125][ T2715] ? snapshot_read.cold+0x21/0x21 [ 40.080129][ T2715] ? netdev_name+0x43/0x60 [ 40.080133][ T2715] ? __netdev_printk+0x17f/0x1d0 [ 40.080137][ T2715] netdev_info+0xe2/0x116 [ 40.080140][ T2715] ? netdev_notice+0x120/0x120 [ 40.080144][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080146][ T2715] ? __up_read+0x355/0x9e0 [ 40.080149][ T2715] ? down_write_nested+0x200/0x200 [ 40.080151][ T2715] ? mutex_is_locked+0x1c/0x50 [ 40.080153][ T2715] netif_set_allmulti.cold+0x7c/0x166 [ 40.080157][ T2715] dev_set_allmulti+0xa6/0x240 [ 40.080161][ T2715] del_nbp+0xb7/0xc10 [ 40.080167][ T2715] br_del_if+0xab/0x200 [ 40.080169][ T2715] ? rtnl_is_locked+0x15/0x20 [ 40.080172][ T2715] do_set_master+0x15c/0x780 [ 40.080176][ T2715] do_setlink.isra.0+0x9ec/0x2a60 [ 40.080179][ T2715] ? stack_trace_save+0x93/0xc0 [ 40.080183][ T2715] ? rtnl_link_get_size+0x350/0x350 [ 40.080184][ T2715] ? rcu_read_lock_any_held+0x66/0x90 [ 40.080187][ T2715] ? stack_depot_save_flags+0x38e/0x790 [ 40.080190][ T2715] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 40.080192][ T2715] ? rcu_read_lock_any_held+0x3c/0x90 [ 40.080194][ T2715] ? validate_chain+0x38b/0xc20 [ 40.080196][ T2715] ? kasan_save_stack+0x3d/0x50 [ 40.080199][ T2715] ? kasan_save_stack+0x2f/0x50 [ 40.080200][ T2715] ? kasan_save_track+0x14/0x30 [ 40.080201][ T2715] ? __kasan_kmalloc+0x7b/0x90 [ 40.080204][ T2715] ? __lock_acquire+0x518/0xc20 [ 40.080206][ T2715] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 40.080208][ T2715] ? ___sys_sendmsg+0xd0/0x1d0 [ 40.080211][ T2715] ? lock_acquire.part.0+0xd4/0x280 [ 40.080213][ T2715] ? rtnl_newlink+0x9a8/0x11b0 [ 40.080216][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080218][ T2715] ? lock_acquire+0x13c/0x160 [ 40.080219][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080220][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080222][ T2715] ? trace_contention_end+0xb3/0x180 [ 40.080224][ T2715] ? __mutex_lock+0x1db/0x1ea0 [ 40.080227][ T2715] ? __mutex_lock+0x9a3/0x1ea0 [ 40.080229][ T2715] ? rtnl_newlink+0x9a8/0x11b0 [ 40.080233][ T2715] ? ww_mutex_lock+0x160/0x160 [ 40.080234][ T2715] ? nla_get_range_signed+0x3d0/0x3d0 [ 40.080239][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080241][ T2715] ? __rtnl_newlink+0x3fa/0xa50 [ 40.080247][ T2715] rtnl_newlink+0x9f1/0x11b0 [ 40.080252][ T2715] ? rtnl_bridge_getlink+0x850/0x850 [ 40.080254][ T2715] ? __lock_acquire+0x518/0xc20 [ 40.080258][ T2715] ? lock_acquire.part.0+0xd4/0x280 [ 40.080260][ T2715] ? find_held_lock+0x2b/0x80 [ 40.080263][ T2715] ? rtnl_bridge_getlink+0x850/0x850 [ 40.080264][ T2715] ? __lock_release.isra.0+0x69/0x1a0 [ 40.080268][ T2715] ? rtnl_bridge_getlink+0x850/0x850 [ 40.080270][ T2715] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.080273][ T2715] ? rtnl_link_fill+0x920/0x920 [ 40.080275][ T2715] ? __lock_acquire+0x518/0xc20 [ 40.080279][ T2715] ? lock_acquire.part.0+0xd4/0x280 [ 40.080281][ T2715] ? find_held_lock+0x2b/0x80 [ 40.080285][ T2715] netlink_rcv_skb+0x14e/0x3a0 [ 40.080286][ T2715] ? rtnl_link_fill+0x920/0x920 [ 40.080289][ T2715] ? netlink_ack+0xcf0/0xcf0 [ 40.080296][ T2715] ? netlink_deliver_tap+0xc5/0x330 [ 40.080298][ T2715] ? netlink_deliver_tap+0x13c/0x330 [ 40.080302][ T2715] netlink_unicast+0x486/0x750 [ 40.080306][ T2715] ? netlink_attachskb+0x810/0x810 [ 40.080309][ T2715] ? find_held_lock+0x2b/0x80 [ 40.080313][ T2715] netlink_sendmsg+0x75b/0xc90 [ 40.080317][ T2715] ? netlink_unicast+0x750/0x750 [ 40.080321][ T2715] ? __lock_release.isra.0+0x69/0x1a0 [ 40.080323][ T2715] ? __import_iovec+0x36c/0x620 [ 40.080328][ T2715] __sock_sendmsg+0xce/0x190 [ 40.080331][ T2715] ____sys_sendmsg+0x61a/0x860 [ 40.080333][ T2715] ? copy_msghdr_from_user+0x279/0x420 [ 40.080335][ T2715] ? sock_write_iter+0x400/0x400 [ 40.080337][ T2715] ? move_addr_to_kernel+0x40/0x40 [ 40.080344][ T2715] ___sys_sendmsg+0x14e/0x1d0 [ 40.080347][ T2715] ? copy_msghdr_from_user+0x420/0x420 [ 40.080363][ T2715] __sys_sendmsg+0x12c/0x1d0 [ 40.080366][ T2715] ? __sys_sendmsg_sock+0x20/0x20 [ 40.080373][ T2715] ? rcu_is_watching+0x16/0xd0 [ 40.080376][ T2715] do_syscall_64+0xff/0x530 [ 40.080378][ T2715] ? exc_page_fault+0xee/0x100 [ 40.080381][ T2715] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.080384][ T2715] RIP: 0033:0x7fc573f4c54e [ 40.080387][ T2715] 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 [ 40.080389][ T2715] RSP: 002b:00007fff2aa70e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.080391][ T2715] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc573f4c54e [ 40.080393][ T2715] RDX: 0000000000000000 RSI: 00007fff2aa70eb0 RDI: 0000000000000005 [ 40.080394][ T2715] RBP: 00007fff2aa70e10 R08: 0000000000000000 R09: 0000000000000000 [ 40.080394][ T2715] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b095 [ 40.080395][ T2715] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2aa71570 [ 40.080402][ T2715] [ 40.124462][ T2715] d1: left promiscuous mode [ 40.124826][ T2715] br: port 1(d1) entered disabled state