[ 8.962219][ T202] ip (202) used greatest stack depth: 24208 bytes left [ 8.962234][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.962235][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: ip [ 8.962237][ T202] preempt_count: 2, expected: 0 [ 8.962238][ T202] RCU nest depth: 0, expected: 0 [ 8.962239][ T202] locks held by ip/202: 5, last CPU#3: [ 8.962241][ T202] #0: ffffffff890167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.962251][ T202] #1: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.962256][ T202] #2: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.962261][ T202] #3: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.962264][ T202] #4: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.962268][ T202] irq event stamp: 31990 [ 8.962269][ T202] hardirqs last enabled at (31989): [] __down_trylock_console_sem+0x86/0xa0 [ 8.962272][ T202] hardirqs last disabled at (31990): [] console_emit_next_record+0x3d4/0x4c0 [ 8.962274][ T202] softirqs last enabled at (30702): [] netlink_release+0x17b/0xcf0 [ 8.962278][ T202] softirqs last disabled at (30700): [] netlink_release+0xd2/0xcf0 [ 8.962281][ T202] Preemption disabled at: [ 8.962282][ T202] [<0000000000000000>] 0x0 [ 8.962288][ T202] CPU: 3 UID: 0 PID: 202 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.962291][ T202] Tainted: [W]=WARN [ 8.962292][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.962294][ T202] Call Trace: [ 8.962295][ T202] [ 8.962297][ T202] dump_stack_lvl+0x6f/0xa0 [ 8.962303][ T202] __might_resched.cold+0x1fe/0x2c1 [ 8.962308][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.962312][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 8.962316][ T202] __kmalloc_noprof+0x443/0x760 [ 8.962318][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 8.962324][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 8.962327][ T202] alloc_buf.isra.0+0x4b/0x260 [ 8.962331][ T202] put_chars+0x1e1/0x2f0 [ 8.962333][ T202] ? __send_to_port+0x420/0x420 [ 8.962334][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.962338][ T202] ? validate_chain+0x38b/0xc20 [ 8.962343][ T202] hvc_console_print+0x292/0x780 [ 8.962351][ T202] ? hvc_write+0x3a0/0x3a0 [ 8.962353][ T202] ? rcu_is_watching+0x16/0xd0 [ 8.962355][ T202] ? lock_acquire+0x13c/0x160 [ 8.962359][ T202] console_emit_next_record+0x22f/0x4c0 [ 8.962363][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 8.962365][ T202] ? console_flush_one_record+0x106/0x710 [ 8.962368][ T202] ? rcu_is_watching+0x16/0xd0 [ 8.962370][ T202] ? lock_acquire+0x13c/0x160 [ 8.962374][ T202] console_flush_one_record+0x46f/0x710 [ 8.962378][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 8.962380][ T202] ? __lock_acquire+0x518/0xc20 [ 8.962385][ T202] console_unlock+0xee/0x1f0 [ 8.962388][ T202] ? console_flush_one_record+0x710/0x710 [ 8.962389][ T202] ? rcu_is_watching+0x16/0xd0 [ 8.962391][ T202] ? lock_acquire+0xe0/0x160 [ 8.962395][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.962397][ T202] ? vprintk_emit+0x320/0x3e0 [ 8.962399][ T202] vprintk_emit+0x37c/0x3e0 [ 8.962402][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 8.962405][ T202] ? __lock_acquire+0x518/0xc20 [ 8.962409][ T202] _printk+0xc7/0x100 [ 8.962412][ T202] ? snapshot_read.cold+0x21/0x21 [ 8.962416][ T202] ? do_raw_spin_lock+0x131/0x280 [ 8.962419][ T202] ? __rwlock_init+0x150/0x150 [ 8.962423][ T202] ? do_raw_spin_lock+0x131/0x280 [ 8.962426][ T202] do_exit.cold+0x82/0x9c [ 8.962429][ T202] ? exit_notify+0x890/0x890 [ 8.962431][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 8.962434][ T202] ? rcu_is_watching+0x16/0xd0 [ 8.962437][ T202] do_group_exit+0xb8/0x370 [ 8.962440][ T202] __x64_sys_exit_group+0x3c/0x50 [ 8.962442][ T202] x64_sys_call+0x1567/0x1570 [ 8.962444][ T202] do_syscall_64+0xff/0x530 [ 8.962448][ T202] ? exc_page_fault+0xee/0x100 [ 8.962451][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.962453][ T202] RIP: 0033:0x7f87985b81b8 [ 8.962455][ T202] Code: Unable to access opcode bytes at 0x7f87985b818e. [ 8.962456][ T202] RSP: 002b:00007fff13f4eb48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.962459][ T202] RAX: ffffffffffffffda RBX: 00007f87986e8f88 RCX: 00007f87985b81b8 [ 8.962460][ T202] RDX: 00007f8798302fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.962461][ T202] RBP: 00007fff13f4eba0 R08: 0000000000000000 R09: 0000000000008010 [ 8.962462][ T202] R10: 00007fff13f4e960 R11: 0000000000000246 R12: 0000000000000001 [ 8.962463][ T202] R13: 0000000000000000 R14: 00007f87986e7680 R15: 00007f87986e8fa0 [ 8.962470][ T202] [ 9.222858][ T227] br: port 1(d1) entered blocking state [ 9.223219][ T227] br: port 1(d1) entered disabled state [ 9.224203][ T227] d1: entered allmulticast mode [ 9.225327][ T227] d1: entered promiscuous mode [ 9.226312][ T227] br: port 1(d1) entered blocking state [ 9.226677][ T227] br: port 1(d1) entered forwarding state [ 9.535069][ T255] br: port 2(d2) entered blocking state [ 9.535307][ T255] br: port 2(d2) entered disabled state [ 9.535541][ T255] d2: entered allmulticast mode [ 9.536521][ T255] d2: entered promiscuous mode [ 9.537116][ T255] br: port 2(d2) entered blocking state [ 9.537330][ T255] br: port 2(d2) entered forwarding state [ 9.631051][ T260] ip (260) used greatest stack depth: 23920 bytes left [ 9.838536][ T283] br: port 3(d3) entered blocking state [ 9.838792][ T283] br: port 3(d3) entered disabled state [ 9.839016][ T283] d3: entered allmulticast mode [ 9.840012][ T283] d3: entered promiscuous mode [ 9.840596][ T283] br: port 3(d3) entered blocking state [ 9.840812][ T283] br: port 3(d3) entered forwarding state [ 10.713251][ T378] br: port 1(d1) entered disabled state [ 10.713266][ T378] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.713268][ T378] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 378, name: ip [ 10.713270][ T378] preempt_count: 202, expected: 0 [ 10.713271][ T378] RCU nest depth: 0, expected: 0 [ 10.713272][ T378] locks held by ip/378: 6, last CPU#2: [ 10.713274][ T378] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 10.713285][ T378] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 10.713291][ T378] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.713296][ T378] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.713300][ T378] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.713304][ T378] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.713307][ T378] irq event stamp: 16779 [ 10.713308][ T378] hardirqs last enabled at (16778): [] __down_trylock_console_sem+0x86/0xa0 [ 10.713311][ T378] hardirqs last disabled at (16779): [] console_emit_next_record+0x3d4/0x4c0 [ 10.713313][ T378] softirqs last enabled at (16762): [] ipv6_mc_down+0x134/0x2d0 [ 10.713316][ T378] softirqs last disabled at (16774): [] br_device_event+0x1d7/0x8f0 [ 10.713318][ T378] Preemption disabled at: [ 10.713319][ T378] [<0000000000000000>] 0x0 [ 10.713325][ T378] CPU: 2 UID: 0 PID: 378 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.713328][ T378] Tainted: [W]=WARN [ 10.713329][ T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.713331][ T378] Call Trace: [ 10.713333][ T378] [ 10.713334][ T378] dump_stack_lvl+0x6f/0xa0 [ 10.713340][ T378] __might_resched.cold+0x1fe/0x2c1 [ 10.713345][ T378] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.713349][ T378] ? __kmalloc_noprof+0xdb/0x760 [ 10.713354][ T378] __kmalloc_noprof+0x443/0x760 [ 10.713356][ T378] ? alloc_buf.isra.0+0x4b/0x260 [ 10.713362][ T378] ? do_raw_spin_unlock+0x59/0x250 [ 10.713365][ T378] alloc_buf.isra.0+0x4b/0x260 [ 10.713369][ T378] put_chars+0x1e1/0x2f0 [ 10.713371][ T378] ? __send_to_port+0x420/0x420 [ 10.713377][ T378] hvc_console_print+0x292/0x780 [ 10.713384][ T378] ? hvc_write+0x3a0/0x3a0 [ 10.713388][ T378] ? lock_acquire+0x13c/0x160 [ 10.713392][ T378] console_emit_next_record+0x22f/0x4c0 [ 10.713396][ T378] ? devkmsg_read+0x4b0/0x4b0 [ 10.713400][ T378] ? console_flush_one_record+0x106/0x710 [ 10.713403][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713406][ T378] ? lock_acquire+0x13c/0x160 [ 10.713410][ T378] console_flush_one_record+0x46f/0x710 [ 10.713414][ T378] ? console_emit_next_record+0x4c0/0x4c0 [ 10.713416][ T378] ? __lock_acquire+0x518/0xc20 [ 10.713422][ T378] console_unlock+0xee/0x1f0 [ 10.713425][ T378] ? console_flush_one_record+0x710/0x710 [ 10.713427][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713428][ T378] ? lock_acquire+0xe0/0x160 [ 10.713432][ T378] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.713434][ T378] ? vprintk_emit+0x320/0x3e0 [ 10.713437][ T378] vprintk_emit+0x37c/0x3e0 [ 10.713440][ T378] ? wake_up_klogd_work_func+0x90/0x90 [ 10.713441][ T378] ? mark_held_locks+0x40/0x70 [ 10.713444][ T378] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.713446][ T378] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.713450][ T378] _printk+0xc7/0x100 [ 10.713454][ T378] ? snapshot_read.cold+0x21/0x21 [ 10.713461][ T378] br_set_state+0x22f/0x430 [ 10.713466][ T378] br_stp_disable_port+0x11f/0x390 [ 10.713470][ T378] br_device_event+0x7b5/0x8f0 [ 10.713472][ T378] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 10.713476][ T378] ? packet_sendmsg_spkt+0x1360/0x1360 [ 10.713481][ T378] notifier_call_chain+0xae/0x300 [ 10.713487][ T378] __dev_notify_flags+0x23c/0x450 [ 10.713492][ T378] ? netif_change_name+0x8c0/0x8c0 [ 10.713496][ T378] ? netif_set_allmulti+0x2c0/0x2c0 [ 10.713499][ T378] ? __kernel_text_address+0x12/0x30 [ 10.713502][ T378] ? write_profile+0xf0/0xf0 [ 10.713507][ T378] netif_change_flags+0xfe/0x190 [ 10.713510][ T378] do_setlink.isra.0+0x1d25/0x2a60 [ 10.713514][ T378] ? stack_trace_save+0x93/0xc0 [ 10.713520][ T378] ? rtnl_link_get_size+0x350/0x350 [ 10.713521][ T378] ? rcu_read_lock_any_held+0x66/0x90 [ 10.713523][ T378] ? stack_depot_save_flags+0x38e/0x790 [ 10.713527][ T378] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.713529][ T378] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.713531][ T378] ? validate_chain+0x38b/0xc20 [ 10.713533][ T378] ? kasan_save_stack+0x3d/0x50 [ 10.713535][ T378] ? kasan_save_stack+0x2f/0x50 [ 10.713536][ T378] ? kasan_save_track+0x14/0x30 [ 10.713538][ T378] ? __kasan_kmalloc+0x7b/0x90 [ 10.713540][ T378] ? __lock_acquire+0x518/0xc20 [ 10.713542][ T378] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 10.713545][ T378] ? ___sys_sendmsg+0xd0/0x1d0 [ 10.713549][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 10.713551][ T378] ? rtnl_newlink+0x9a8/0x11b0 [ 10.713553][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713555][ T378] ? lock_acquire+0x13c/0x160 [ 10.713557][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713558][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713559][ T378] ? trace_contention_end+0xb3/0x180 [ 10.713562][ T378] ? __mutex_lock+0x1db/0x1ea0 [ 10.713563][ T378] ? __mutex_lock+0x9a3/0x1ea0 [ 10.713565][ T378] ? rtnl_newlink+0x9a8/0x11b0 [ 10.713568][ T378] ? ww_mutex_lock+0x160/0x160 [ 10.713571][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713574][ T378] ? __rtnl_newlink+0x3fa/0xa50 [ 10.713579][ T378] rtnl_newlink+0x9f1/0x11b0 [ 10.713584][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 10.713586][ T378] ? __lock_acquire+0x518/0xc20 [ 10.713590][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 10.713592][ T378] ? find_held_lock+0x2b/0x80 [ 10.713595][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 10.713596][ T378] ? __lock_release.isra.0+0x69/0x1a0 [ 10.713600][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 10.713602][ T378] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.713605][ T378] ? rtnl_link_fill+0x920/0x920 [ 10.713606][ T378] ? __lock_acquire+0x518/0xc20 [ 10.713611][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 10.713613][ T378] ? find_held_lock+0x2b/0x80 [ 10.713616][ T378] netlink_rcv_skb+0x14e/0x3a0 [ 10.713619][ T378] ? rtnl_link_fill+0x920/0x920 [ 10.713622][ T378] ? netlink_ack+0xcf0/0xcf0 [ 10.713629][ T378] ? netlink_deliver_tap+0xc5/0x330 [ 10.713631][ T378] ? netlink_deliver_tap+0x13c/0x330 [ 10.713635][ T378] netlink_unicast+0x486/0x750 [ 10.713639][ T378] ? netlink_attachskb+0x810/0x810 [ 10.713641][ T378] ? find_held_lock+0x2b/0x80 [ 10.713646][ T378] netlink_sendmsg+0x75b/0xc90 [ 10.713650][ T378] ? netlink_unicast+0x750/0x750 [ 10.713653][ T378] ? __lock_release.isra.0+0x69/0x1a0 [ 10.713655][ T378] ? __import_iovec+0x36c/0x620 [ 10.713660][ T378] __sock_sendmsg+0xce/0x190 [ 10.713663][ T378] ____sys_sendmsg+0x61a/0x860 [ 10.713665][ T378] ? copy_msghdr_from_user+0x279/0x420 [ 10.713668][ T378] ? sock_write_iter+0x400/0x400 [ 10.713669][ T378] ? move_addr_to_kernel+0x40/0x40 [ 10.713676][ T378] ___sys_sendmsg+0x14e/0x1d0 [ 10.713679][ T378] ? copy_msghdr_from_user+0x420/0x420 [ 10.713695][ T378] __sys_sendmsg+0x12c/0x1d0 [ 10.713698][ T378] ? __sys_sendmsg_sock+0x20/0x20 [ 10.713704][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.713707][ T378] do_syscall_64+0xff/0x530 [ 10.713710][ T378] ? exc_page_fault+0xee/0x100 [ 10.713713][ T378] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.713715][ T378] RIP: 0033:0x7f160c0e754e [ 10.713717][ T378] 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 [ 10.713719][ T378] RSP: 002b:00007ffe2fc4f110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.713722][ T378] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f160c0e754e [ 10.713723][ T378] RDX: 0000000000000000 RSI: 00007ffe2fc4f1c0 RDI: 0000000000000005 [ 10.713724][ T378] RBP: 00007ffe2fc4f120 R08: 0000000000000000 R09: 0000000000000000 [ 10.713724][ T378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f49a [ 10.713725][ T378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2fc4f880 [ 10.713732][ T378] [ 10.770304][ T378] ip (378) used greatest stack depth: 23016 bytes left [ 11.055907][ T104] br: port 1(d1) entered blocking state [ 11.056272][ T104] br: port 1(d1) entered forwarding state [ 11.137107][ T425] br: port 2(d2) entered disabled state [ 11.433919][ T463] br: port 2(d2) entered blocking state [ 11.434187][ T463] br: port 2(d2) entered forwarding state [ 11.522560][ T471] br: port 1(d1) entered disabled state [ 11.592544][ T479] br: port 2(d2) entered disabled state [ 11.900902][ T517] br: port 2(d2) entered blocking state [ 11.900919][ T517] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.900921][ T517] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 517, name: ip [ 11.900923][ T517] preempt_count: 202, expected: 0 [ 11.900924][ T517] RCU nest depth: 0, expected: 0 [ 11.900925][ T517] locks held by ip/517: 6, last CPU#2: [ 11.900927][ T517] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 11.900939][ T517] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 11.900945][ T517] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.900950][ T517] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.900954][ T517] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.900958][ T517] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.900962][ T517] irq event stamp: 22887 [ 11.900962][ T517] hardirqs last enabled at (22886): [] __down_trylock_console_sem+0x86/0xa0 [ 11.900965][ T517] hardirqs last disabled at (22887): [] console_emit_next_record+0x3d4/0x4c0 [ 11.900968][ T517] softirqs last enabled at (22848): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 11.900970][ T517] softirqs last disabled at (22882): [] br_device_event+0x5fd/0x8f0 [ 11.900973][ T517] Preemption disabled at: [ 11.900973][ T517] [<0000000000000000>] 0x0 [ 11.900980][ T517] CPU: 2 UID: 0 PID: 517 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.900983][ T517] Tainted: [W]=WARN [ 11.900984][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.900986][ T517] Call Trace: [ 11.900987][ T517] [ 11.900989][ T517] dump_stack_lvl+0x6f/0xa0 [ 11.900995][ T517] __might_resched.cold+0x1fe/0x2c1 [ 11.901000][ T517] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.901004][ T517] ? __kmalloc_noprof+0xdb/0x760 [ 11.901009][ T517] __kmalloc_noprof+0x443/0x760 [ 11.901010][ T517] ? alloc_buf.isra.0+0x4b/0x260 [ 11.901017][ T517] ? do_raw_spin_unlock+0x59/0x250 [ 11.901020][ T517] alloc_buf.isra.0+0x4b/0x260 [ 11.901023][ T517] put_chars+0x1e1/0x2f0 [ 11.901025][ T517] ? __send_to_port+0x420/0x420 [ 11.901027][ T517] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.901030][ T517] ? validate_chain+0x38b/0xc20 [ 11.901036][ T517] hvc_console_print+0x292/0x780 [ 11.901043][ T517] ? hvc_write+0x3a0/0x3a0 [ 11.901046][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901048][ T517] ? lock_acquire+0x13c/0x160 [ 11.901052][ T517] console_emit_next_record+0x22f/0x4c0 [ 11.901056][ T517] ? devkmsg_read+0x4b0/0x4b0 [ 11.901058][ T517] ? console_flush_one_record+0x106/0x710 [ 11.901061][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901063][ T517] ? lock_acquire+0x13c/0x160 [ 11.901066][ T517] console_flush_one_record+0x46f/0x710 [ 11.901071][ T517] ? console_emit_next_record+0x4c0/0x4c0 [ 11.901072][ T517] ? __lock_acquire+0x518/0xc20 [ 11.901078][ T517] console_unlock+0xee/0x1f0 [ 11.901081][ T517] ? console_flush_one_record+0x710/0x710 [ 11.901082][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901084][ T517] ? lock_acquire+0xe0/0x160 [ 11.901088][ T517] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.901089][ T517] ? vprintk_emit+0x320/0x3e0 [ 11.901092][ T517] vprintk_emit+0x37c/0x3e0 [ 11.901095][ T517] ? wake_up_klogd_work_func+0x90/0x90 [ 11.901097][ T517] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.901099][ T517] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.901104][ T517] _printk+0xc7/0x100 [ 11.901107][ T517] ? snapshot_read.cold+0x21/0x21 [ 11.901112][ T517] ? lock_acquire.part.0+0xd4/0x280 [ 11.901116][ T517] br_set_state+0x22f/0x430 [ 11.901121][ T517] br_init_port+0xc4/0x200 [ 11.901124][ T517] br_stp_enable_port+0x12/0x50 [ 11.901125][ T517] br_device_event+0x605/0x8f0 [ 11.901128][ T517] ? packet_sendmsg_spkt+0x1360/0x1360 [ 11.901130][ T517] ? nlmsg_notify+0x62/0x250 [ 11.901137][ T517] notifier_call_chain+0xae/0x300 [ 11.901142][ T517] __dev_notify_flags+0x1b7/0x450 [ 11.901147][ T517] ? netif_change_name+0x8c0/0x8c0 [ 11.901151][ T517] ? netif_set_allmulti+0x2c0/0x2c0 [ 11.901153][ T517] ? kernel_text_address+0x149/0x170 [ 11.901156][ T517] ? __kernel_text_address+0x12/0x30 [ 11.901158][ T517] ? write_profile+0xf0/0xf0 [ 11.901163][ T517] netif_change_flags+0xfe/0x190 [ 11.901167][ T517] do_setlink.isra.0+0x1d25/0x2a60 [ 11.901170][ T517] ? stack_trace_save+0x93/0xc0 [ 11.901172][ T517] ? rtnl_link_get_size+0x350/0x350 [ 11.901173][ T517] ? rcu_read_lock_any_held+0x66/0x90 [ 11.901175][ T517] ? stack_depot_save_flags+0x38e/0x790 [ 11.901179][ T517] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.901181][ T517] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.901182][ T517] ? validate_chain+0x38b/0xc20 [ 11.901185][ T517] ? kasan_save_stack+0x3d/0x50 [ 11.901187][ T517] ? kasan_save_stack+0x2f/0x50 [ 11.901188][ T517] ? kasan_save_track+0x14/0x30 [ 11.901189][ T517] ? __kasan_kmalloc+0x7b/0x90 [ 11.901192][ T517] ? __lock_acquire+0x518/0xc20 [ 11.901194][ T517] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 11.901196][ T517] ? ___sys_sendmsg+0xd0/0x1d0 [ 11.901200][ T517] ? lock_acquire.part.0+0xd4/0x280 [ 11.901202][ T517] ? rtnl_newlink+0x9a8/0x11b0 [ 11.901205][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901206][ T517] ? lock_acquire+0x13c/0x160 [ 11.901208][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901209][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901210][ T517] ? trace_contention_end+0xb3/0x180 [ 11.901213][ T517] ? __mutex_lock+0x1db/0x1ea0 [ 11.901215][ T517] ? __mutex_lock+0x9a3/0x1ea0 [ 11.901217][ T517] ? rtnl_newlink+0x9a8/0x11b0 [ 11.901220][ T517] ? ww_mutex_lock+0x160/0x160 [ 11.901224][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901226][ T517] ? __rtnl_newlink+0x3fa/0xa50 [ 11.901231][ T517] rtnl_newlink+0x9f1/0x11b0 [ 11.901237][ T517] ? rtnl_bridge_getlink+0x850/0x850 [ 11.901239][ T517] ? __lock_acquire+0x518/0xc20 [ 11.901243][ T517] ? lock_acquire.part.0+0xd4/0x280 [ 11.901245][ T517] ? find_held_lock+0x2b/0x80 [ 11.901247][ T517] ? rtnl_bridge_getlink+0x850/0x850 [ 11.901249][ T517] ? __lock_release.isra.0+0x69/0x1a0 [ 11.901253][ T517] ? rtnl_bridge_getlink+0x850/0x850 [ 11.901255][ T517] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.901258][ T517] ? rtnl_link_fill+0x920/0x920 [ 11.901259][ T517] ? __lock_acquire+0x518/0xc20 [ 11.901263][ T517] ? lock_acquire.part.0+0xd4/0x280 [ 11.901265][ T517] ? find_held_lock+0x2b/0x80 [ 11.901269][ T517] netlink_rcv_skb+0x14e/0x3a0 [ 11.901271][ T517] ? rtnl_link_fill+0x920/0x920 [ 11.901273][ T517] ? netlink_ack+0xcf0/0xcf0 [ 11.901280][ T517] ? netlink_deliver_tap+0xc5/0x330 [ 11.901282][ T517] ? netlink_deliver_tap+0x13c/0x330 [ 11.901287][ T517] netlink_unicast+0x486/0x750 [ 11.901291][ T517] ? netlink_attachskb+0x810/0x810 [ 11.901293][ T517] ? find_held_lock+0x2b/0x80 [ 11.901297][ T517] netlink_sendmsg+0x75b/0xc90 [ 11.901301][ T517] ? netlink_unicast+0x750/0x750 [ 11.901305][ T517] ? __lock_release.isra.0+0x69/0x1a0 [ 11.901306][ T517] ? __import_iovec+0x36c/0x620 [ 11.901312][ T517] __sock_sendmsg+0xce/0x190 [ 11.901314][ T517] ____sys_sendmsg+0x61a/0x860 [ 11.901317][ T517] ? copy_msghdr_from_user+0x279/0x420 [ 11.901319][ T517] ? sock_write_iter+0x400/0x400 [ 11.901320][ T517] ? move_addr_to_kernel+0x40/0x40 [ 11.901328][ T517] ___sys_sendmsg+0x14e/0x1d0 [ 11.901330][ T517] ? copy_msghdr_from_user+0x420/0x420 [ 11.901347][ T517] __sys_sendmsg+0x12c/0x1d0 [ 11.901349][ T517] ? __sys_sendmsg_sock+0x20/0x20 [ 11.901355][ T517] ? rcu_is_watching+0x16/0xd0 [ 11.901358][ T517] do_syscall_64+0xff/0x530 [ 11.901362][ T517] ? exc_page_fault+0xee/0x100 [ 11.901364][ T517] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.901367][ T517] RIP: 0033:0x7fb99164b54e [ 11.901369][ T517] 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 [ 11.901371][ T517] RSP: 002b:00007ffebf631b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.901374][ T517] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb99164b54e [ 11.901375][ T517] RDX: 0000000000000000 RSI: 00007ffebf631be0 RDI: 0000000000000005 [ 11.901376][ T517] RBP: 00007ffebf631b40 R08: 0000000000000000 R09: 0000000000000000 [ 11.901377][ T517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f49b [ 11.901377][ T517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebf6322a0 [ 11.901384][ T517] [ 11.944082][ T517] br: port 2(d2) entered forwarding state [ 11.977618][ T39] br: port 1(d1) entered blocking state [ 11.977921][ T39] br: port 1(d1) entered forwarding state [ 12.056457][ T527] br: port 1(d1) entered disabled state [ 12.130214][ T535] br: port 2(d2) entered disabled state [ 12.213846][ T543] br: port 3(d3) entered disabled state [ 12.515845][ T581] br: port 3(d3) entered blocking state [ 12.516105][ T581] br: port 3(d3) entered forwarding state [ 12.548790][ T583] br: port 2(d2) entered blocking state [ 12.549068][ T583] br: port 2(d2) entered forwarding state [ 12.581111][ T585] br: port 1(d1) entered blocking state [ 12.581357][ T585] br: port 1(d1) entered forwarding state [ 13.220554][ T640] br: port 1(d1) entered disabled state [ 13.220571][ T640] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.220573][ T640] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 640, name: ip [ 13.220574][ T640] preempt_count: 202, expected: 0 [ 13.220575][ T640] RCU nest depth: 0, expected: 0 [ 13.220576][ T640] locks held by ip/640: 6, last CPU#1: [ 13.220578][ T640] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 13.220590][ T640] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 13.220595][ T640] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.220600][ T640] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.220604][ T640] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.220608][ T640] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.220612][ T640] irq event stamp: 29065 [ 13.220613][ T640] hardirqs last enabled at (29064): [] __down_trylock_console_sem+0x86/0xa0 [ 13.220616][ T640] hardirqs last disabled at (29065): [] console_emit_next_record+0x3d4/0x4c0 [ 13.220618][ T640] softirqs last enabled at (29048): [] ipv6_mc_down+0x134/0x2d0 [ 13.220621][ T640] softirqs last disabled at (29060): [] br_device_event+0x1d7/0x8f0 [ 13.220623][ T640] Preemption disabled at: [ 13.220624][ T640] [<0000000000000000>] 0x0 [ 13.220630][ T640] CPU: 1 UID: 0 PID: 640 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.220633][ T640] Tainted: [W]=WARN [ 13.220634][ T640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.220636][ T640] Call Trace: [ 13.220637][ T640] [ 13.220639][ T640] dump_stack_lvl+0x6f/0xa0 [ 13.220645][ T640] __might_resched.cold+0x1fe/0x2c1 [ 13.220650][ T640] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.220654][ T640] ? __kmalloc_noprof+0xdb/0x760 [ 13.220658][ T640] __kmalloc_noprof+0x443/0x760 [ 13.220660][ T640] ? alloc_buf.isra.0+0x4b/0x260 [ 13.220666][ T640] ? do_raw_spin_unlock+0x59/0x250 [ 13.220669][ T640] alloc_buf.isra.0+0x4b/0x260 [ 13.220673][ T640] put_chars+0x1e1/0x2f0 [ 13.220675][ T640] ? __send_to_port+0x420/0x420 [ 13.220681][ T640] hvc_console_print+0x292/0x780 [ 13.220689][ T640] ? hvc_write+0x3a0/0x3a0 [ 13.220692][ T640] ? lock_acquire+0x13c/0x160 [ 13.220697][ T640] console_emit_next_record+0x22f/0x4c0 [ 13.220700][ T640] ? devkmsg_read+0x4b0/0x4b0 [ 13.220702][ T640] ? console_flush_one_record+0x106/0x710 [ 13.220706][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.220708][ T640] ? lock_acquire+0x13c/0x160 [ 13.220712][ T640] console_flush_one_record+0x46f/0x710 [ 13.220716][ T640] ? console_emit_next_record+0x4c0/0x4c0 [ 13.220718][ T640] ? __lock_acquire+0x518/0xc20 [ 13.220723][ T640] console_unlock+0xee/0x1f0 [ 13.220726][ T640] ? console_flush_one_record+0x710/0x710 [ 13.220728][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.220730][ T640] ? lock_acquire+0xe0/0x160 [ 13.220733][ T640] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.220735][ T640] ? vprintk_emit+0x320/0x3e0 [ 13.220738][ T640] vprintk_emit+0x37c/0x3e0 [ 13.220741][ T640] ? wake_up_klogd_work_func+0x90/0x90 [ 13.220742][ T640] ? mark_held_locks+0x40/0x70 [ 13.220745][ T640] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.220747][ T640] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.220751][ T640] _printk+0xc7/0x100 [ 13.220755][ T640] ? snapshot_read.cold+0x21/0x21 [ 13.220762][ T640] br_set_state+0x22f/0x430 [ 13.220767][ T640] br_stp_disable_port+0x11f/0x390 [ 13.220770][ T640] br_device_event+0x7b5/0x8f0 [ 13.220772][ T640] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.220776][ T640] ? packet_sendmsg_spkt+0x1360/0x1360 [ 13.220782][ T640] notifier_call_chain+0xae/0x300 [ 13.220788][ T640] __dev_notify_flags+0x23c/0x450 [ 13.220793][ T640] ? netif_change_name+0x8c0/0x8c0 [ 13.220796][ T640] ? netif_set_allmulti+0x2c0/0x2c0 [ 13.220799][ T640] ? __kernel_text_address+0x12/0x30 [ 13.220802][ T640] ? write_profile+0xf0/0xf0 [ 13.220807][ T640] netif_change_flags+0xfe/0x190 [ 13.220811][ T640] do_setlink.isra.0+0x1d25/0x2a60 [ 13.220814][ T640] ? stack_trace_save+0x93/0xc0 [ 13.220816][ T640] ? rtnl_link_get_size+0x350/0x350 [ 13.220817][ T640] ? rcu_read_lock_any_held+0x66/0x90 [ 13.220819][ T640] ? stack_depot_save_flags+0x38e/0x790 [ 13.220823][ T640] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.220825][ T640] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.220826][ T640] ? validate_chain+0x38b/0xc20 [ 13.220829][ T640] ? kasan_save_stack+0x3d/0x50 [ 13.220831][ T640] ? kasan_save_stack+0x2f/0x50 [ 13.220832][ T640] ? kasan_save_track+0x14/0x30 [ 13.220834][ T640] ? __kasan_kmalloc+0x7b/0x90 [ 13.220836][ T640] ? __lock_acquire+0x518/0xc20 [ 13.220838][ T640] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 13.220840][ T640] ? ___sys_sendmsg+0xd0/0x1d0 [ 13.220844][ T640] ? lock_acquire.part.0+0xd4/0x280 [ 13.220846][ T640] ? rtnl_newlink+0x9a8/0x11b0 [ 13.220849][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.220850][ T640] ? lock_acquire+0x13c/0x160 [ 13.220852][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.220853][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.220855][ T640] ? trace_contention_end+0xb3/0x180 [ 13.220857][ T640] ? __mutex_lock+0x1db/0x1ea0 [ 13.220858][ T640] ? __mutex_lock+0x9a3/0x1ea0 [ 13.220860][ T640] ? rtnl_newlink+0x9a8/0x11b0 [ 13.220863][ T640] ? ww_mutex_lock+0x160/0x160 [ 13.220867][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.220869][ T640] ? __rtnl_newlink+0x3fa/0xa50 [ 13.220874][ T640] rtnl_newlink+0x9f1/0x11b0 [ 13.220879][ T640] ? rtnl_bridge_getlink+0x850/0x850 [ 13.220881][ T640] ? __lock_acquire+0x518/0xc20 [ 13.220886][ T640] ? lock_acquire.part.0+0xd4/0x280 [ 13.220888][ T640] ? find_held_lock+0x2b/0x80 [ 13.220890][ T640] ? rtnl_bridge_getlink+0x850/0x850 [ 13.220891][ T640] ? __lock_release.isra.0+0x69/0x1a0 [ 13.220895][ T640] ? rtnl_bridge_getlink+0x850/0x850 [ 13.220897][ T640] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.220900][ T640] ? rtnl_link_fill+0x920/0x920 [ 13.220902][ T640] ? __lock_acquire+0x518/0xc20 [ 13.220906][ T640] ? lock_acquire.part.0+0xd4/0x280 [ 13.220908][ T640] ? find_held_lock+0x2b/0x80 [ 13.220911][ T640] netlink_rcv_skb+0x14e/0x3a0 [ 13.220915][ T640] ? rtnl_link_fill+0x920/0x920 [ 13.220917][ T640] ? netlink_ack+0xcf0/0xcf0 [ 13.220924][ T640] ? netlink_deliver_tap+0xc5/0x330 [ 13.220926][ T640] ? netlink_deliver_tap+0x13c/0x330 [ 13.220930][ T640] netlink_unicast+0x486/0x750 [ 13.220934][ T640] ? netlink_attachskb+0x810/0x810 [ 13.220937][ T640] ? find_held_lock+0x2b/0x80 [ 13.220941][ T640] netlink_sendmsg+0x75b/0xc90 [ 13.220945][ T640] ? netlink_unicast+0x750/0x750 [ 13.220949][ T640] ? __lock_release.isra.0+0x69/0x1a0 [ 13.220950][ T640] ? __import_iovec+0x36c/0x620 [ 13.220955][ T640] __sock_sendmsg+0xce/0x190 [ 13.220958][ T640] ____sys_sendmsg+0x61a/0x860 [ 13.220960][ T640] ? copy_msghdr_from_user+0x279/0x420 [ 13.220962][ T640] ? sock_write_iter+0x400/0x400 [ 13.220964][ T640] ? move_addr_to_kernel+0x40/0x40 [ 13.220971][ T640] ___sys_sendmsg+0x14e/0x1d0 [ 13.220974][ T640] ? copy_msghdr_from_user+0x420/0x420 [ 13.220990][ T640] __sys_sendmsg+0x12c/0x1d0 [ 13.220992][ T640] ? __sys_sendmsg_sock+0x20/0x20 [ 13.220999][ T640] ? rcu_is_watching+0x16/0xd0 [ 13.221002][ T640] do_syscall_64+0xff/0x530 [ 13.221005][ T640] ? exc_page_fault+0xee/0x100 [ 13.221008][ T640] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.221010][ T640] RIP: 0033:0x7f4d27f7a54e [ 13.221012][ T640] 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 [ 13.221013][ T640] RSP: 002b:00007ffd4b673730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.221016][ T640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4d27f7a54e [ 13.221017][ T640] RDX: 0000000000000000 RSI: 00007ffd4b6737e0 RDI: 0000000000000005 [ 13.221018][ T640] RBP: 00007ffd4b673740 R08: 0000000000000000 R09: 0000000000000000 [ 13.221019][ T640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f49c [ 13.221020][ T640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4b673ea0 [ 13.221027][ T640] [ 13.554716][ T678] br: port 1(d1) entered blocking state [ 13.555023][ T678] br: port 1(d1) entered forwarding state [ 13.632259][ T686] br: port 2(d2) entered disabled state [ 13.937947][ T724] br: port 2(d2) entered blocking state [ 13.938207][ T724] br: port 2(d2) entered forwarding state [ 14.013259][ T732] br: port 1(d1) entered disabled state [ 14.086477][ T740] br: port 2(d2) entered disabled state [ 14.383786][ T778] br: port 2(d2) entered blocking state [ 14.383804][ T778] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.383806][ T778] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 778, name: ip [ 14.383808][ T778] preempt_count: 202, expected: 0 [ 14.383809][ T778] RCU nest depth: 0, expected: 0 [ 14.383810][ T778] locks held by ip/778: 6, last CPU#3: [ 14.383812][ T778] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.383824][ T778] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 14.383830][ T778] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.383835][ T778] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.383839][ T778] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.383843][ T778] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.383847][ T778] irq event stamp: 13921 [ 14.383848][ T778] hardirqs last enabled at (13920): [] __down_trylock_console_sem+0x86/0xa0 [ 14.383851][ T778] hardirqs last disabled at (13921): [] console_emit_next_record+0x3d4/0x4c0 [ 14.383853][ T778] softirqs last enabled at (13882): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 14.383856][ T778] softirqs last disabled at (13916): [] br_device_event+0x5fd/0x8f0 [ 14.383858][ T778] Preemption disabled at: [ 14.383858][ T778] [<0000000000000000>] 0x0 [ 14.383865][ T778] CPU: 3 UID: 0 PID: 778 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.383868][ T778] Tainted: [W]=WARN [ 14.383869][ T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.383871][ T778] Call Trace: [ 14.383872][ T778] [ 14.383874][ T778] dump_stack_lvl+0x6f/0xa0 [ 14.383880][ T778] __might_resched.cold+0x1fe/0x2c1 [ 14.383885][ T778] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.383889][ T778] ? __kmalloc_noprof+0xdb/0x760 [ 14.383894][ T778] __kmalloc_noprof+0x443/0x760 [ 14.383895][ T778] ? alloc_buf.isra.0+0x4b/0x260 [ 14.383902][ T778] ? do_raw_spin_unlock+0x59/0x250 [ 14.383904][ T778] alloc_buf.isra.0+0x4b/0x260 [ 14.383908][ T778] put_chars+0x1e1/0x2f0 [ 14.383910][ T778] ? __send_to_port+0x420/0x420 [ 14.383912][ T778] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.383915][ T778] ? validate_chain+0x38b/0xc20 [ 14.383921][ T778] hvc_console_print+0x292/0x780 [ 14.383928][ T778] ? hvc_write+0x3a0/0x3a0 [ 14.383931][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.383933][ T778] ? lock_acquire+0x13c/0x160 [ 14.383937][ T778] console_emit_next_record+0x22f/0x4c0 [ 14.383941][ T778] ? devkmsg_read+0x4b0/0x4b0 [ 14.383943][ T778] ? console_flush_one_record+0x106/0x710 [ 14.383946][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.383948][ T778] ? lock_acquire+0x13c/0x160 [ 14.383952][ T778] console_flush_one_record+0x46f/0x710 [ 14.383956][ T778] ? console_emit_next_record+0x4c0/0x4c0 [ 14.383958][ T778] ? __lock_acquire+0x518/0xc20 [ 14.383963][ T778] console_unlock+0xee/0x1f0 [ 14.383966][ T778] ? console_flush_one_record+0x710/0x710 [ 14.383968][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.383970][ T778] ? lock_acquire+0xe0/0x160 [ 14.383973][ T778] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.383975][ T778] ? vprintk_emit+0x320/0x3e0 [ 14.383978][ T778] vprintk_emit+0x37c/0x3e0 [ 14.383981][ T778] ? wake_up_klogd_work_func+0x90/0x90 [ 14.383983][ T778] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.383985][ T778] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.383989][ T778] _printk+0xc7/0x100 [ 14.383993][ T778] ? snapshot_read.cold+0x21/0x21 [ 14.383998][ T778] ? lock_acquire.part.0+0xd4/0x280 [ 14.384002][ T778] br_set_state+0x22f/0x430 [ 14.384007][ T778] br_init_port+0xc4/0x200 [ 14.384009][ T778] br_stp_enable_port+0x12/0x50 [ 14.384011][ T778] br_device_event+0x605/0x8f0 [ 14.384014][ T778] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.384015][ T778] ? nlmsg_notify+0x62/0x250 [ 14.384022][ T778] notifier_call_chain+0xae/0x300 [ 14.384028][ T778] __dev_notify_flags+0x1b7/0x450 [ 14.384033][ T778] ? netif_change_name+0x8c0/0x8c0 [ 14.384037][ T778] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.384039][ T778] ? kernel_text_address+0x149/0x170 [ 14.384042][ T778] ? __kernel_text_address+0x12/0x30 [ 14.384043][ T778] ? write_profile+0xf0/0xf0 [ 14.384048][ T778] netif_change_flags+0xfe/0x190 [ 14.384052][ T778] do_setlink.isra.0+0x1d25/0x2a60 [ 14.384056][ T778] ? stack_trace_save+0x93/0xc0 [ 14.384058][ T778] ? rtnl_link_get_size+0x350/0x350 [ 14.384059][ T778] ? rcu_read_lock_any_held+0x66/0x90 [ 14.384061][ T778] ? stack_depot_save_flags+0x38e/0x790 [ 14.384064][ T778] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.384066][ T778] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.384068][ T778] ? validate_chain+0x38b/0xc20 [ 14.384070][ T778] ? kasan_save_stack+0x3d/0x50 [ 14.384073][ T778] ? kasan_save_stack+0x2f/0x50 [ 14.384074][ T778] ? kasan_save_track+0x14/0x30 [ 14.384075][ T778] ? __kasan_kmalloc+0x7b/0x90 [ 14.384077][ T778] ? __lock_acquire+0x518/0xc20 [ 14.384079][ T778] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.384082][ T778] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.384086][ T778] ? lock_acquire.part.0+0xd4/0x280 [ 14.384088][ T778] ? rtnl_newlink+0x9a8/0x11b0 [ 14.384090][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.384092][ T778] ? lock_acquire+0x13c/0x160 [ 14.384094][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.384095][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.384096][ T778] ? trace_contention_end+0xb3/0x180 [ 14.384099][ T778] ? __mutex_lock+0x1db/0x1ea0 [ 14.384101][ T778] ? __mutex_lock+0x9a3/0x1ea0 [ 14.384103][ T778] ? rtnl_newlink+0x9a8/0x11b0 [ 14.384106][ T778] ? ww_mutex_lock+0x160/0x160 [ 14.384110][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.384112][ T778] ? __rtnl_newlink+0x3fa/0xa50 [ 14.384117][ T778] rtnl_newlink+0x9f1/0x11b0 [ 14.384123][ T778] ? rtnl_bridge_getlink+0x850/0x850 [ 14.384125][ T778] ? __lock_acquire+0x518/0xc20 [ 14.384129][ T778] ? lock_acquire.part.0+0xd4/0x280 [ 14.384131][ T778] ? find_held_lock+0x2b/0x80 [ 14.384133][ T778] ? rtnl_bridge_getlink+0x850/0x850 [ 14.384135][ T778] ? __lock_release.isra.0+0x69/0x1a0 [ 14.384139][ T778] ? rtnl_bridge_getlink+0x850/0x850 [ 14.384141][ T778] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.384144][ T778] ? rtnl_link_fill+0x920/0x920 [ 14.384145][ T778] ? __lock_acquire+0x518/0xc20 [ 14.384150][ T778] ? lock_acquire.part.0+0xd4/0x280 [ 14.384152][ T778] ? find_held_lock+0x2b/0x80 [ 14.384155][ T778] netlink_rcv_skb+0x14e/0x3a0 [ 14.384157][ T778] ? rtnl_link_fill+0x920/0x920 [ 14.384160][ T778] ? netlink_ack+0xcf0/0xcf0 [ 14.384166][ T778] ? netlink_deliver_tap+0xc5/0x330 [ 14.384169][ T778] ? netlink_deliver_tap+0x13c/0x330 [ 14.384173][ T778] netlink_unicast+0x486/0x750 [ 14.384177][ T778] ? netlink_attachskb+0x810/0x810 [ 14.384179][ T778] ? find_held_lock+0x2b/0x80 [ 14.384184][ T778] netlink_sendmsg+0x75b/0xc90 [ 14.384188][ T778] ? netlink_unicast+0x750/0x750 [ 14.384191][ T778] ? __lock_release.isra.0+0x69/0x1a0 [ 14.384193][ T778] ? __import_iovec+0x36c/0x620 [ 14.384198][ T778] __sock_sendmsg+0xce/0x190 [ 14.384201][ T778] ____sys_sendmsg+0x61a/0x860 [ 14.384203][ T778] ? copy_msghdr_from_user+0x279/0x420 [ 14.384206][ T778] ? sock_write_iter+0x400/0x400 [ 14.384207][ T778] ? move_addr_to_kernel+0x40/0x40 [ 14.384215][ T778] ___sys_sendmsg+0x14e/0x1d0 [ 14.384217][ T778] ? copy_msghdr_from_user+0x420/0x420 [ 14.384233][ T778] __sys_sendmsg+0x12c/0x1d0 [ 14.384236][ T778] ? __sys_sendmsg_sock+0x20/0x20 [ 14.384242][ T778] ? rcu_is_watching+0x16/0xd0 [ 14.384245][ T778] do_syscall_64+0xff/0x530 [ 14.384248][ T778] ? exc_page_fault+0xee/0x100 [ 14.384251][ T778] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.384253][ T778] RIP: 0033:0x7fb60456254e [ 14.384255][ T778] 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 [ 14.384257][ T778] RSP: 002b:00007ffe68ff4200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.384260][ T778] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb60456254e [ 14.384261][ T778] RDX: 0000000000000000 RSI: 00007ffe68ff42b0 RDI: 0000000000000005 [ 14.384262][ T778] RBP: 00007ffe68ff4210 R08: 0000000000000000 R09: 0000000000000000 [ 14.384263][ T778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f49d [ 14.384263][ T778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe68ff4970 [ 14.384270][ T778] [ 14.419512][ T778] br: port 2(d2) entered forwarding state [ 14.459406][ T39] br: port 1(d1) entered blocking state [ 14.459641][ T39] br: port 1(d1) entered forwarding state [ 14.536451][ T788] br: port 1(d1) entered disabled state [ 14.612803][ T796] br: port 2(d2) entered disabled state [ 14.686561][ T804] br: port 3(d3) entered disabled state [ 15.268807][ T39] br: port 3(d3) entered blocking state [ 15.269047][ T39] br: port 3(d3) entered forwarding state [ 15.299799][ T417] br: port 2(d2) entered blocking state [ 15.300057][ T417] br: port 2(d2) entered forwarding state [ 15.329334][ T36] br: port 1(d1) entered blocking state [ 15.329568][ T36] br: port 1(d1) entered forwarding state [ 16.097961][ T933] br: port 1(d1) entered disabled state [ 16.097979][ T933] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.097981][ T933] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 933, name: ip [ 16.097982][ T933] preempt_count: 202, expected: 0 [ 16.097983][ T933] RCU nest depth: 0, expected: 0 [ 16.097984][ T933] locks held by ip/933: 6, last CPU#2: [ 16.097986][ T933] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 16.097998][ T933] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 16.098003][ T933] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.098008][ T933] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.098012][ T933] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.098015][ T933] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.098019][ T933] irq event stamp: 31839 [ 16.098020][ T933] hardirqs last enabled at (31838): [] __down_trylock_console_sem+0x86/0xa0 [ 16.098023][ T933] hardirqs last disabled at (31839): [] console_emit_next_record+0x3d4/0x4c0 [ 16.098025][ T933] softirqs last enabled at (31822): [] ipv6_mc_down+0x134/0x2d0 [ 16.098028][ T933] softirqs last disabled at (31834): [] br_device_event+0x1d7/0x8f0 [ 16.098030][ T933] Preemption disabled at: [ 16.098031][ T933] [<0000000000000000>] 0x0 [ 16.098037][ T933] CPU: 2 UID: 0 PID: 933 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.098040][ T933] Tainted: [W]=WARN [ 16.098041][ T933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.098043][ T933] Call Trace: [ 16.098045][ T933] [ 16.098046][ T933] dump_stack_lvl+0x6f/0xa0 [ 16.098052][ T933] __might_resched.cold+0x1fe/0x2c1 [ 16.098057][ T933] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.098061][ T933] ? __kmalloc_noprof+0xdb/0x760 [ 16.098066][ T933] __kmalloc_noprof+0x443/0x760 [ 16.098068][ T933] ? alloc_buf.isra.0+0x4b/0x260 [ 16.098074][ T933] ? do_raw_spin_unlock+0x59/0x250 [ 16.098076][ T933] alloc_buf.isra.0+0x4b/0x260 [ 16.098080][ T933] put_chars+0x1e1/0x2f0 [ 16.098082][ T933] ? __send_to_port+0x420/0x420 [ 16.098089][ T933] hvc_console_print+0x292/0x780 [ 16.098096][ T933] ? hvc_write+0x3a0/0x3a0 [ 16.098099][ T933] ? lock_acquire+0x13c/0x160 [ 16.098103][ T933] console_emit_next_record+0x22f/0x4c0 [ 16.098107][ T933] ? devkmsg_read+0x4b0/0x4b0 [ 16.098109][ T933] ? console_flush_one_record+0x106/0x710 [ 16.098112][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098115][ T933] ? lock_acquire+0x13c/0x160 [ 16.098119][ T933] console_flush_one_record+0x46f/0x710 [ 16.098123][ T933] ? console_emit_next_record+0x4c0/0x4c0 [ 16.098125][ T933] ? __lock_acquire+0x518/0xc20 [ 16.098130][ T933] console_unlock+0xee/0x1f0 [ 16.098133][ T933] ? console_flush_one_record+0x710/0x710 [ 16.098135][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098137][ T933] ? lock_acquire+0xe0/0x160 [ 16.098141][ T933] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.098142][ T933] ? vprintk_emit+0x320/0x3e0 [ 16.098145][ T933] vprintk_emit+0x37c/0x3e0 [ 16.098148][ T933] ? wake_up_klogd_work_func+0x90/0x90 [ 16.098150][ T933] ? mark_held_locks+0x40/0x70 [ 16.098152][ T933] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.098154][ T933] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.098159][ T933] _printk+0xc7/0x100 [ 16.098162][ T933] ? snapshot_read.cold+0x21/0x21 [ 16.098170][ T933] br_set_state+0x22f/0x430 [ 16.098174][ T933] br_stp_disable_port+0x11f/0x390 [ 16.098178][ T933] br_device_event+0x7b5/0x8f0 [ 16.098180][ T933] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 16.098183][ T933] ? packet_sendmsg_spkt+0x1360/0x1360 [ 16.098189][ T933] notifier_call_chain+0xae/0x300 [ 16.098195][ T933] __dev_notify_flags+0x23c/0x450 [ 16.098200][ T933] ? netif_change_name+0x8c0/0x8c0 [ 16.098203][ T933] ? netif_set_allmulti+0x2c0/0x2c0 [ 16.098206][ T933] ? __kernel_text_address+0x12/0x30 [ 16.098209][ T933] ? write_profile+0xf0/0xf0 [ 16.098214][ T933] netif_change_flags+0xfe/0x190 [ 16.098218][ T933] do_setlink.isra.0+0x1d25/0x2a60 [ 16.098221][ T933] ? stack_trace_save+0x93/0xc0 [ 16.098223][ T933] ? rtnl_link_get_size+0x350/0x350 [ 16.098224][ T933] ? rcu_read_lock_any_held+0x66/0x90 [ 16.098226][ T933] ? stack_depot_save_flags+0x38e/0x790 [ 16.098230][ T933] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.098232][ T933] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.098234][ T933] ? validate_chain+0x38b/0xc20 [ 16.098236][ T933] ? kasan_save_stack+0x3d/0x50 [ 16.098238][ T933] ? kasan_save_stack+0x2f/0x50 [ 16.098240][ T933] ? kasan_save_track+0x14/0x30 [ 16.098241][ T933] ? __kasan_kmalloc+0x7b/0x90 [ 16.098243][ T933] ? __lock_acquire+0x518/0xc20 [ 16.098245][ T933] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 16.098248][ T933] ? ___sys_sendmsg+0xd0/0x1d0 [ 16.098251][ T933] ? lock_acquire.part.0+0xd4/0x280 [ 16.098253][ T933] ? rtnl_newlink+0x9a8/0x11b0 [ 16.098256][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098258][ T933] ? lock_acquire+0x13c/0x160 [ 16.098259][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098261][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098262][ T933] ? trace_contention_end+0xb3/0x180 [ 16.098265][ T933] ? __mutex_lock+0x1db/0x1ea0 [ 16.098266][ T933] ? __mutex_lock+0x9a3/0x1ea0 [ 16.098268][ T933] ? rtnl_newlink+0x9a8/0x11b0 [ 16.098271][ T933] ? ww_mutex_lock+0x160/0x160 [ 16.098274][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098277][ T933] ? __rtnl_newlink+0x3fa/0xa50 [ 16.098282][ T933] rtnl_newlink+0x9f1/0x11b0 [ 16.098287][ T933] ? rtnl_bridge_getlink+0x850/0x850 [ 16.098289][ T933] ? __lock_acquire+0x518/0xc20 [ 16.098293][ T933] ? lock_acquire.part.0+0xd4/0x280 [ 16.098295][ T933] ? find_held_lock+0x2b/0x80 [ 16.098297][ T933] ? rtnl_bridge_getlink+0x850/0x850 [ 16.098299][ T933] ? __lock_release.isra.0+0x69/0x1a0 [ 16.098303][ T933] ? rtnl_bridge_getlink+0x850/0x850 [ 16.098305][ T933] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.098308][ T933] ? rtnl_link_fill+0x920/0x920 [ 16.098309][ T933] ? __lock_acquire+0x518/0xc20 [ 16.098314][ T933] ? lock_acquire.part.0+0xd4/0x280 [ 16.098316][ T933] ? find_held_lock+0x2b/0x80 [ 16.098319][ T933] netlink_rcv_skb+0x14e/0x3a0 [ 16.098322][ T933] ? rtnl_link_fill+0x920/0x920 [ 16.098325][ T933] ? netlink_ack+0xcf0/0xcf0 [ 16.098331][ T933] ? netlink_deliver_tap+0xc5/0x330 [ 16.098333][ T933] ? netlink_deliver_tap+0x13c/0x330 [ 16.098338][ T933] netlink_unicast+0x486/0x750 [ 16.098342][ T933] ? netlink_attachskb+0x810/0x810 [ 16.098344][ T933] ? find_held_lock+0x2b/0x80 [ 16.098348][ T933] netlink_sendmsg+0x75b/0xc90 [ 16.098352][ T933] ? netlink_unicast+0x750/0x750 [ 16.098356][ T933] ? __lock_release.isra.0+0x69/0x1a0 [ 16.098358][ T933] ? __import_iovec+0x36c/0x620 [ 16.098363][ T933] __sock_sendmsg+0xce/0x190 [ 16.098366][ T933] ____sys_sendmsg+0x61a/0x860 [ 16.098368][ T933] ? copy_msghdr_from_user+0x279/0x420 [ 16.098371][ T933] ? sock_write_iter+0x400/0x400 [ 16.098372][ T933] ? move_addr_to_kernel+0x40/0x40 [ 16.098379][ T933] ___sys_sendmsg+0x14e/0x1d0 [ 16.098382][ T933] ? copy_msghdr_from_user+0x420/0x420 [ 16.098398][ T933] __sys_sendmsg+0x12c/0x1d0 [ 16.098400][ T933] ? __sys_sendmsg_sock+0x20/0x20 [ 16.098407][ T933] ? rcu_is_watching+0x16/0xd0 [ 16.098409][ T933] do_syscall_64+0xff/0x530 [ 16.098413][ T933] ? exc_page_fault+0xee/0x100 [ 16.098417][ T933] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.098419][ T933] RIP: 0033:0x7fb1a5bc554e [ 16.098422][ T933] 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 [ 16.098423][ T933] RSP: 002b:00007ffcadb23bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.098426][ T933] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb1a5bc554e [ 16.098427][ T933] RDX: 0000000000000000 RSI: 00007ffcadb23c70 RDI: 0000000000000005 [ 16.098428][ T933] RBP: 00007ffcadb23bd0 R08: 0000000000000000 R09: 0000000000000000 [ 16.098429][ T933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f49f [ 16.098430][ T933] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcadb24330 [ 16.098436][ T933] [ 16.440579][ T971] br: port 1(d1) entered blocking state [ 16.440895][ T971] br: port 1(d1) entered forwarding state [ 16.521359][ T979] br: port 2(d2) entered disabled state [ 16.809681][ T1017] br: port 2(d2) entered blocking state [ 16.809952][ T1017] br: port 2(d2) entered forwarding state [ 16.887070][ T1025] br: port 1(d1) entered disabled state [ 16.962401][ T1033] br: port 2(d2) entered disabled state [ 17.267808][ T417] br: port 2(d2) entered blocking state [ 17.267827][ T417] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.267829][ T417] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 417, name: kworker/u19:2 [ 17.267831][ T417] preempt_count: 202, expected: 0 [ 17.267832][ T417] RCU nest depth: 0, expected: 0 [ 17.267833][ T417] locks held by kworker/u19:2/417: 8, last CPU#0: [ 17.267835][ T417] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.267848][ T417] #1: ffa0000001f57d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.267852][ T417] #2: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 17.267857][ T417] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 17.267863][ T417] #4: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.267867][ T417] #5: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.267871][ T417] #6: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.267874][ T417] #7: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.267878][ T417] irq event stamp: 115119 [ 17.267879][ T417] hardirqs last enabled at (115118): [] __down_trylock_console_sem+0x86/0xa0 [ 17.267882][ T417] hardirqs last disabled at (115119): [] console_emit_next_record+0x3d4/0x4c0 [ 17.267884][ T417] softirqs last enabled at (115080): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 17.267887][ T417] softirqs last disabled at (115114): [] br_port_carrier_check+0x161/0x430 [ 17.267889][ T417] Preemption disabled at: [ 17.267890][ T417] [<0000000000000000>] 0x0 [ 17.267897][ T417] CPU: 0 UID: 0 PID: 417 Comm: kworker/u19:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.267900][ T417] Tainted: [W]=WARN [ 17.267902][ T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.267903][ T417] Workqueue: events_unbound linkwatch_event [ 17.267906][ T417] Call Trace: [ 17.267908][ T417] [ 17.267909][ T417] dump_stack_lvl+0x6f/0xa0 [ 17.267916][ T417] __might_resched.cold+0x1fe/0x2c1 [ 17.267921][ T417] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.267925][ T417] ? __kmalloc_noprof+0xdb/0x760 [ 17.267929][ T417] __kmalloc_noprof+0x443/0x760 [ 17.267931][ T417] ? alloc_buf.isra.0+0x4b/0x260 [ 17.267938][ T417] ? do_raw_spin_unlock+0x59/0x250 [ 17.267940][ T417] alloc_buf.isra.0+0x4b/0x260 [ 17.267944][ T417] put_chars+0x1e1/0x2f0 [ 17.267946][ T417] ? __send_to_port+0x420/0x420 [ 17.267949][ T417] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.267952][ T417] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.267955][ T417] ? validate_chain+0x38b/0xc20 [ 17.267959][ T417] hvc_console_print+0x292/0x780 [ 17.267963][ T417] ? mark_usage+0x61/0x170 [ 17.267965][ T417] ? __lock_acquire+0x518/0xc20 [ 17.267967][ T417] ? __lock_acquire+0x518/0xc20 [ 17.267971][ T417] ? hvc_write+0x3a0/0x3a0 [ 17.267973][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 17.267978][ T417] ? lock_acquire+0x13c/0x160 [ 17.267982][ T417] console_emit_next_record+0x22f/0x4c0 [ 17.267986][ T417] ? devkmsg_read+0x4b0/0x4b0 [ 17.267987][ T417] ? console_flush_one_record+0x106/0x710 [ 17.267991][ T417] ? rcu_is_watching+0x16/0xd0 [ 17.267993][ T417] ? lock_acquire+0x13c/0x160 [ 17.267997][ T417] console_flush_one_record+0x46f/0x710 [ 17.268001][ T417] ? console_emit_next_record+0x4c0/0x4c0 [ 17.268003][ T417] ? __lock_acquire+0x518/0xc20 [ 17.268008][ T417] console_unlock+0xee/0x1f0 [ 17.268011][ T417] ? console_flush_one_record+0x710/0x710 [ 17.268013][ T417] ? rcu_is_watching+0x16/0xd0 [ 17.268015][ T417] ? lock_acquire+0xe0/0x160 [ 17.268019][ T417] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.268020][ T417] ? vprintk_emit+0x320/0x3e0 [ 17.268023][ T417] vprintk_emit+0x37c/0x3e0 [ 17.268027][ T417] ? wake_up_klogd_work_func+0x90/0x90 [ 17.268029][ T417] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.268031][ T417] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.268034][ T417] _printk+0xc7/0x100 [ 17.268038][ T417] ? snapshot_read.cold+0x21/0x21 [ 17.268043][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 17.268047][ T417] br_set_state+0x22f/0x430 [ 17.268052][ T417] br_init_port+0xc4/0x200 [ 17.268054][ T417] br_stp_enable_port+0x12/0x50 [ 17.268056][ T417] br_port_carrier_check+0x220/0x430 [ 17.268060][ T417] br_device_event+0x52d/0x8f0 [ 17.268063][ T417] ? packet_sendmsg_spkt+0x1360/0x1360 [ 17.268065][ T417] ? nlmsg_notify+0x62/0x250 [ 17.268072][ T417] notifier_call_chain+0xae/0x300 [ 17.268078][ T417] netif_state_change+0x139/0x3d0 [ 17.268082][ T417] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 17.268087][ T417] ? linkwatch_do_dev+0xae/0xd0 [ 17.268089][ T417] __linkwatch_run_queue+0x350/0x850 [ 17.268092][ T417] ? linkwatch_do_dev+0xd0/0xd0 [ 17.268095][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 17.268099][ T417] linkwatch_event+0x7f/0xb0 [ 17.268102][ T417] ? __linkwatch_run_queue+0x850/0x850 [ 17.268105][ T417] process_one_work+0xe3e/0x1560 [ 17.268112][ T417] ? __queue_delayed_work+0x470/0x470 [ 17.268114][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 17.268122][ T417] worker_thread+0x4f1/0xd60 [ 17.268126][ T417] ? rescuer_thread+0x1340/0x1340 [ 17.268128][ T417] ? __kthread_parkme+0xbd/0x210 [ 17.268131][ T417] ? rescuer_thread+0x1340/0x1340 [ 17.268134][ T417] ? rescuer_thread+0x1340/0x1340 [ 17.268136][ T417] kthread+0x367/0x460 [ 17.268138][ T417] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.268142][ T417] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.268145][ T417] ret_from_fork+0x474/0x6b0 [ 17.268149][ T417] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.268152][ T417] ? __switch_to+0x5a3/0xe00 [ 17.268156][ T417] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.268159][ T417] ret_from_fork_asm+0x11/0x20 [ 17.268168][ T417] [ 17.291481][ T417] br: port 2(d2) entered forwarding state [ 17.315343][ T39] br: port 1(d1) entered blocking state [ 17.315576][ T39] br: port 1(d1) entered forwarding state [ 17.387663][ T1081] br: port 1(d1) entered disabled state [ 17.463974][ T1089] br: port 2(d2) entered disabled state [ 17.550284][ T1097] br: port 3(d3) entered disabled state [ 17.856599][ T1135] br: port 3(d3) entered blocking state [ 17.856898][ T1135] br: port 3(d3) entered forwarding state [ 17.890454][ T1137] br: port 2(d2) entered blocking state [ 17.890736][ T1137] br: port 2(d2) entered forwarding state [ 17.916050][ T1139] br: port 1(d1) entered blocking state [ 17.916295][ T1139] br: port 1(d1) entered forwarding state [ 18.644136][ T1196] br: port 1(d1) entered disabled state [ 18.644154][ T1196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.644156][ T1196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1196, name: ip [ 18.644157][ T1196] preempt_count: 202, expected: 0 [ 18.644158][ T1196] RCU nest depth: 0, expected: 0 [ 18.644159][ T1196] locks held by ip/1196: 6, last CPU#3: [ 18.644161][ T1196] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 18.644174][ T1196] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 18.644179][ T1196] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.644184][ T1196] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.644189][ T1196] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.644192][ T1196] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.644196][ T1196] irq event stamp: 24541 [ 18.644197][ T1196] hardirqs last enabled at (24540): [] __down_trylock_console_sem+0x86/0xa0 [ 18.644200][ T1196] hardirqs last disabled at (24541): [] console_emit_next_record+0x3d4/0x4c0 [ 18.644202][ T1196] softirqs last enabled at (24524): [] ipv6_mc_down+0x134/0x2d0 [ 18.644205][ T1196] softirqs last disabled at (24536): [] br_device_event+0x1d7/0x8f0 [ 18.644207][ T1196] Preemption disabled at: [ 18.644208][ T1196] [<0000000000000000>] 0x0 [ 18.644214][ T1196] CPU: 3 UID: 0 PID: 1196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.644217][ T1196] Tainted: [W]=WARN [ 18.644218][ T1196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.644220][ T1196] Call Trace: [ 18.644222][ T1196] [ 18.644223][ T1196] dump_stack_lvl+0x6f/0xa0 [ 18.644229][ T1196] __might_resched.cold+0x1fe/0x2c1 [ 18.644234][ T1196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.644238][ T1196] ? __kmalloc_noprof+0xdb/0x760 [ 18.644242][ T1196] __kmalloc_noprof+0x443/0x760 [ 18.644244][ T1196] ? alloc_buf.isra.0+0x4b/0x260 [ 18.644251][ T1196] ? do_raw_spin_unlock+0x59/0x250 [ 18.644254][ T1196] alloc_buf.isra.0+0x4b/0x260 [ 18.644257][ T1196] put_chars+0x1e1/0x2f0 [ 18.644260][ T1196] ? __send_to_port+0x420/0x420 [ 18.644266][ T1196] hvc_console_print+0x292/0x780 [ 18.644273][ T1196] ? hvc_write+0x3a0/0x3a0 [ 18.644276][ T1196] ? lock_acquire+0x13c/0x160 [ 18.644281][ T1196] console_emit_next_record+0x22f/0x4c0 [ 18.644285][ T1196] ? devkmsg_read+0x4b0/0x4b0 [ 18.644287][ T1196] ? console_flush_one_record+0x106/0x710 [ 18.644290][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644292][ T1196] ? lock_acquire+0x13c/0x160 [ 18.644297][ T1196] console_flush_one_record+0x46f/0x710 [ 18.644301][ T1196] ? console_emit_next_record+0x4c0/0x4c0 [ 18.644303][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.644308][ T1196] console_unlock+0xee/0x1f0 [ 18.644311][ T1196] ? console_flush_one_record+0x710/0x710 [ 18.644313][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644314][ T1196] ? lock_acquire+0xe0/0x160 [ 18.644318][ T1196] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.644320][ T1196] ? vprintk_emit+0x320/0x3e0 [ 18.644323][ T1196] vprintk_emit+0x37c/0x3e0 [ 18.644326][ T1196] ? wake_up_klogd_work_func+0x90/0x90 [ 18.644327][ T1196] ? mark_held_locks+0x40/0x70 [ 18.644330][ T1196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.644332][ T1196] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.644336][ T1196] _printk+0xc7/0x100 [ 18.644340][ T1196] ? snapshot_read.cold+0x21/0x21 [ 18.644347][ T1196] br_set_state+0x22f/0x430 [ 18.644352][ T1196] br_stp_disable_port+0x11f/0x390 [ 18.644355][ T1196] br_device_event+0x7b5/0x8f0 [ 18.644357][ T1196] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 18.644361][ T1196] ? packet_sendmsg_spkt+0x1360/0x1360 [ 18.644367][ T1196] notifier_call_chain+0xae/0x300 [ 18.644372][ T1196] __dev_notify_flags+0x23c/0x450 [ 18.644377][ T1196] ? netif_change_name+0x8c0/0x8c0 [ 18.644381][ T1196] ? netif_set_allmulti+0x2c0/0x2c0 [ 18.644384][ T1196] ? __kernel_text_address+0x12/0x30 [ 18.644387][ T1196] ? write_profile+0xf0/0xf0 [ 18.644391][ T1196] netif_change_flags+0xfe/0x190 [ 18.644395][ T1196] do_setlink.isra.0+0x1d25/0x2a60 [ 18.644399][ T1196] ? stack_trace_save+0x93/0xc0 [ 18.644401][ T1196] ? rtnl_link_get_size+0x350/0x350 [ 18.644402][ T1196] ? rcu_read_lock_any_held+0x66/0x90 [ 18.644404][ T1196] ? stack_depot_save_flags+0x38e/0x790 [ 18.644407][ T1196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.644409][ T1196] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.644411][ T1196] ? validate_chain+0x38b/0xc20 [ 18.644415][ T1196] ? kasan_save_stack+0x3d/0x50 [ 18.644418][ T1196] ? kasan_save_stack+0x2f/0x50 [ 18.644419][ T1196] ? kasan_save_track+0x14/0x30 [ 18.644420][ T1196] ? __kasan_kmalloc+0x7b/0x90 [ 18.644422][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.644424][ T1196] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 18.644427][ T1196] ? ___sys_sendmsg+0xd0/0x1d0 [ 18.644431][ T1196] ? lock_acquire.part.0+0xd4/0x280 [ 18.644433][ T1196] ? rtnl_newlink+0x9a8/0x11b0 [ 18.644435][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644437][ T1196] ? lock_acquire+0x13c/0x160 [ 18.644439][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644440][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644442][ T1196] ? trace_contention_end+0xb3/0x180 [ 18.644444][ T1196] ? __mutex_lock+0x1db/0x1ea0 [ 18.644445][ T1196] ? __mutex_lock+0x9a3/0x1ea0 [ 18.644447][ T1196] ? rtnl_newlink+0x9a8/0x11b0 [ 18.644450][ T1196] ? ww_mutex_lock+0x160/0x160 [ 18.644454][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644456][ T1196] ? __rtnl_newlink+0x3fa/0xa50 [ 18.644461][ T1196] rtnl_newlink+0x9f1/0x11b0 [ 18.644467][ T1196] ? rtnl_bridge_getlink+0x850/0x850 [ 18.644469][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.644473][ T1196] ? lock_acquire.part.0+0xd4/0x280 [ 18.644475][ T1196] ? find_held_lock+0x2b/0x80 [ 18.644477][ T1196] ? rtnl_bridge_getlink+0x850/0x850 [ 18.644479][ T1196] ? __lock_release.isra.0+0x69/0x1a0 [ 18.644483][ T1196] ? rtnl_bridge_getlink+0x850/0x850 [ 18.644485][ T1196] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.644488][ T1196] ? rtnl_link_fill+0x920/0x920 [ 18.644489][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.644494][ T1196] ? lock_acquire.part.0+0xd4/0x280 [ 18.644496][ T1196] ? find_held_lock+0x2b/0x80 [ 18.644499][ T1196] netlink_rcv_skb+0x14e/0x3a0 [ 18.644502][ T1196] ? rtnl_link_fill+0x920/0x920 [ 18.644505][ T1196] ? netlink_ack+0xcf0/0xcf0 [ 18.644511][ T1196] ? netlink_deliver_tap+0xc5/0x330 [ 18.644513][ T1196] ? netlink_deliver_tap+0x13c/0x330 [ 18.644518][ T1196] netlink_unicast+0x486/0x750 [ 18.644521][ T1196] ? netlink_attachskb+0x810/0x810 [ 18.644524][ T1196] ? find_held_lock+0x2b/0x80 [ 18.644528][ T1196] netlink_sendmsg+0x75b/0xc90 [ 18.644532][ T1196] ? netlink_unicast+0x750/0x750 [ 18.644536][ T1196] ? __lock_release.isra.0+0x69/0x1a0 [ 18.644538][ T1196] ? __import_iovec+0x36c/0x620 [ 18.644543][ T1196] __sock_sendmsg+0xce/0x190 [ 18.644545][ T1196] ____sys_sendmsg+0x61a/0x860 [ 18.644548][ T1196] ? copy_msghdr_from_user+0x279/0x420 [ 18.644550][ T1196] ? sock_write_iter+0x400/0x400 [ 18.644551][ T1196] ? move_addr_to_kernel+0x40/0x40 [ 18.644559][ T1196] ___sys_sendmsg+0x14e/0x1d0 [ 18.644561][ T1196] ? copy_msghdr_from_user+0x420/0x420 [ 18.644581][ T1196] __sys_sendmsg+0x12c/0x1d0 [ 18.644584][ T1196] ? __sys_sendmsg_sock+0x20/0x20 [ 18.644590][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.644593][ T1196] do_syscall_64+0xff/0x530 [ 18.644596][ T1196] ? exc_page_fault+0xee/0x100 [ 18.644599][ T1196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.644601][ T1196] RIP: 0033:0x7fb111af554e [ 18.644604][ T1196] 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 [ 18.644605][ T1196] RSP: 002b:00007ffdf76b4810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.644608][ T1196] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb111af554e [ 18.644609][ T1196] RDX: 0000000000000000 RSI: 00007ffdf76b48c0 RDI: 0000000000000005 [ 18.644610][ T1196] RBP: 00007ffdf76b4820 R08: 0000000000000000 R09: 0000000000000000 [ 18.644611][ T1196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4a2 [ 18.644612][ T1196] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf76b4f80 [ 18.644618][ T1196] [ 18.991229][ T1234] br: port 1(d1) entered blocking state [ 18.991503][ T1234] br: port 1(d1) entered forwarding state [ 19.073921][ T1242] br: port 2(d2) entered disabled state [ 19.374425][ T39] br: port 2(d2) entered blocking state [ 19.374668][ T39] br: port 2(d2) entered forwarding state [ 19.451395][ T1288] br: port 1(d1) entered disabled state [ 19.531481][ T1296] br: port 2(d2) entered disabled state [ 19.832396][ T1334] br: port 2(d2) entered blocking state [ 19.832418][ T1334] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.832420][ T1334] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1334, name: ip [ 19.832421][ T1334] preempt_count: 202, expected: 0 [ 19.832422][ T1334] RCU nest depth: 0, expected: 0 [ 19.832423][ T1334] locks held by ip/1334: 6, last CPU#1: [ 19.832425][ T1334] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 19.832437][ T1334] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 19.832443][ T1334] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.832448][ T1334] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.832452][ T1334] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.832456][ T1334] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.832460][ T1334] irq event stamp: 12107 [ 19.832461][ T1334] hardirqs last enabled at (12106): [] __down_trylock_console_sem+0x86/0xa0 [ 19.832463][ T1334] hardirqs last disabled at (12107): [] console_emit_next_record+0x3d4/0x4c0 [ 19.832466][ T1334] softirqs last enabled at (12068): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 19.832468][ T1334] softirqs last disabled at (12102): [] br_device_event+0x5fd/0x8f0 [ 19.832470][ T1334] Preemption disabled at: [ 19.832471][ T1334] [<0000000000000000>] 0x0 [ 19.832478][ T1334] CPU: 1 UID: 0 PID: 1334 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.832481][ T1334] Tainted: [W]=WARN [ 19.832482][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.832483][ T1334] Call Trace: [ 19.832485][ T1334] [ 19.832486][ T1334] dump_stack_lvl+0x6f/0xa0 [ 19.832492][ T1334] __might_resched.cold+0x1fe/0x2c1 [ 19.832497][ T1334] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.832502][ T1334] ? __kmalloc_noprof+0xdb/0x760 [ 19.832506][ T1334] __kmalloc_noprof+0x443/0x760 [ 19.832508][ T1334] ? alloc_buf.isra.0+0x4b/0x260 [ 19.832514][ T1334] ? do_raw_spin_unlock+0x59/0x250 [ 19.832517][ T1334] alloc_buf.isra.0+0x4b/0x260 [ 19.832521][ T1334] put_chars+0x1e1/0x2f0 [ 19.832523][ T1334] ? __send_to_port+0x420/0x420 [ 19.832525][ T1334] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.832528][ T1334] ? validate_chain+0x38b/0xc20 [ 19.832534][ T1334] hvc_console_print+0x292/0x780 [ 19.832541][ T1334] ? hvc_write+0x3a0/0x3a0 [ 19.832544][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832546][ T1334] ? lock_acquire+0x13c/0x160 [ 19.832550][ T1334] console_emit_next_record+0x22f/0x4c0 [ 19.832553][ T1334] ? devkmsg_read+0x4b0/0x4b0 [ 19.832555][ T1334] ? console_flush_one_record+0x106/0x710 [ 19.832558][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832560][ T1334] ? lock_acquire+0x13c/0x160 [ 19.832564][ T1334] console_flush_one_record+0x46f/0x710 [ 19.832568][ T1334] ? console_emit_next_record+0x4c0/0x4c0 [ 19.832570][ T1334] ? __lock_acquire+0x518/0xc20 [ 19.832582][ T1334] console_unlock+0xee/0x1f0 [ 19.832586][ T1334] ? console_flush_one_record+0x710/0x710 [ 19.832588][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832591][ T1334] ? lock_acquire+0xe0/0x160 [ 19.832597][ T1334] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.832599][ T1334] ? vprintk_emit+0x320/0x3e0 [ 19.832602][ T1334] vprintk_emit+0x37c/0x3e0 [ 19.832605][ T1334] ? wake_up_klogd_work_func+0x90/0x90 [ 19.832607][ T1334] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.832609][ T1334] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.832613][ T1334] _printk+0xc7/0x100 [ 19.832617][ T1334] ? snapshot_read.cold+0x21/0x21 [ 19.832622][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 19.832626][ T1334] br_set_state+0x22f/0x430 [ 19.832630][ T1334] br_init_port+0xc4/0x200 [ 19.832633][ T1334] br_stp_enable_port+0x12/0x50 [ 19.832634][ T1334] br_device_event+0x605/0x8f0 [ 19.832638][ T1334] ? packet_sendmsg_spkt+0x1360/0x1360 [ 19.832639][ T1334] ? nlmsg_notify+0x62/0x250 [ 19.832646][ T1334] notifier_call_chain+0xae/0x300 [ 19.832651][ T1334] __dev_notify_flags+0x1b7/0x450 [ 19.832656][ T1334] ? netif_change_name+0x8c0/0x8c0 [ 19.832660][ T1334] ? netif_set_allmulti+0x2c0/0x2c0 [ 19.832662][ T1334] ? kernel_text_address+0x149/0x170 [ 19.832665][ T1334] ? __kernel_text_address+0x12/0x30 [ 19.832667][ T1334] ? write_profile+0xf0/0xf0 [ 19.832672][ T1334] netif_change_flags+0xfe/0x190 [ 19.832675][ T1334] do_setlink.isra.0+0x1d25/0x2a60 [ 19.832679][ T1334] ? stack_trace_save+0x93/0xc0 [ 19.832681][ T1334] ? rtnl_link_get_size+0x350/0x350 [ 19.832682][ T1334] ? rcu_read_lock_any_held+0x66/0x90 [ 19.832684][ T1334] ? stack_depot_save_flags+0x38e/0x790 [ 19.832688][ T1334] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.832690][ T1334] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.832691][ T1334] ? validate_chain+0x38b/0xc20 [ 19.832694][ T1334] ? kasan_save_stack+0x3d/0x50 [ 19.832696][ T1334] ? kasan_save_stack+0x2f/0x50 [ 19.832697][ T1334] ? kasan_save_track+0x14/0x30 [ 19.832698][ T1334] ? __kasan_kmalloc+0x7b/0x90 [ 19.832700][ T1334] ? __lock_acquire+0x518/0xc20 [ 19.832702][ T1334] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 19.832705][ T1334] ? ___sys_sendmsg+0xd0/0x1d0 [ 19.832709][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 19.832711][ T1334] ? rtnl_newlink+0x9a8/0x11b0 [ 19.832713][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832715][ T1334] ? lock_acquire+0x13c/0x160 [ 19.832717][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832718][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832719][ T1334] ? trace_contention_end+0xb3/0x180 [ 19.832722][ T1334] ? __mutex_lock+0x1db/0x1ea0 [ 19.832725][ T1334] ? __mutex_lock+0x9a3/0x1ea0 [ 19.832726][ T1334] ? rtnl_newlink+0x9a8/0x11b0 [ 19.832730][ T1334] ? ww_mutex_lock+0x160/0x160 [ 19.832733][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832735][ T1334] ? __rtnl_newlink+0x3fa/0xa50 [ 19.832741][ T1334] rtnl_newlink+0x9f1/0x11b0 [ 19.832746][ T1334] ? rtnl_bridge_getlink+0x850/0x850 [ 19.832748][ T1334] ? __lock_acquire+0x518/0xc20 [ 19.832752][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 19.832754][ T1334] ? find_held_lock+0x2b/0x80 [ 19.832756][ T1334] ? rtnl_bridge_getlink+0x850/0x850 [ 19.832758][ T1334] ? __lock_release.isra.0+0x69/0x1a0 [ 19.832762][ T1334] ? rtnl_bridge_getlink+0x850/0x850 [ 19.832764][ T1334] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.832767][ T1334] ? rtnl_link_fill+0x920/0x920 [ 19.832768][ T1334] ? __lock_acquire+0x518/0xc20 [ 19.832773][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 19.832774][ T1334] ? find_held_lock+0x2b/0x80 [ 19.832778][ T1334] netlink_rcv_skb+0x14e/0x3a0 [ 19.832780][ T1334] ? rtnl_link_fill+0x920/0x920 [ 19.832783][ T1334] ? netlink_ack+0xcf0/0xcf0 [ 19.832789][ T1334] ? netlink_deliver_tap+0xc5/0x330 [ 19.832791][ T1334] ? netlink_deliver_tap+0x13c/0x330 [ 19.832796][ T1334] netlink_unicast+0x486/0x750 [ 19.832799][ T1334] ? netlink_attachskb+0x810/0x810 [ 19.832802][ T1334] ? find_held_lock+0x2b/0x80 [ 19.832806][ T1334] netlink_sendmsg+0x75b/0xc90 [ 19.832810][ T1334] ? netlink_unicast+0x750/0x750 [ 19.832814][ T1334] ? __lock_release.isra.0+0x69/0x1a0 [ 19.832815][ T1334] ? __import_iovec+0x36c/0x620 [ 19.832821][ T1334] __sock_sendmsg+0xce/0x190 [ 19.832823][ T1334] ____sys_sendmsg+0x61a/0x860 [ 19.832826][ T1334] ? copy_msghdr_from_user+0x279/0x420 [ 19.832828][ T1334] ? sock_write_iter+0x400/0x400 [ 19.832829][ T1334] ? move_addr_to_kernel+0x40/0x40 [ 19.832837][ T1334] ___sys_sendmsg+0x14e/0x1d0 [ 19.832840][ T1334] ? copy_msghdr_from_user+0x420/0x420 [ 19.832855][ T1334] __sys_sendmsg+0x12c/0x1d0 [ 19.832858][ T1334] ? __sys_sendmsg_sock+0x20/0x20 [ 19.832864][ T1334] ? rcu_is_watching+0x16/0xd0 [ 19.832867][ T1334] do_syscall_64+0xff/0x530 [ 19.832870][ T1334] ? exc_page_fault+0xee/0x100 [ 19.832873][ T1334] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.832875][ T1334] RIP: 0033:0x7ffaea75654e [ 19.832878][ T1334] 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 [ 19.832879][ T1334] RSP: 002b:00007fff9d9aea80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.832882][ T1334] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffaea75654e [ 19.832883][ T1334] RDX: 0000000000000000 RSI: 00007fff9d9aeb30 RDI: 0000000000000005 [ 19.832884][ T1334] RBP: 00007fff9d9aea90 R08: 0000000000000000 R09: 0000000000000000 [ 19.832885][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4a3 [ 19.832886][ T1334] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9d9af1f0 [ 19.832893][ T1334] [ 19.874188][ T1334] br: port 2(d2) entered forwarding state [ 19.917652][ T1336] br: port 1(d1) entered blocking state [ 19.917932][ T1336] br: port 1(d1) entered forwarding state [ 19.992122][ T1344] br: port 1(d1) entered disabled state [ 20.066578][ T1352] br: port 2(d2) entered disabled state [ 20.147852][ T1360] br: port 3(d3) entered disabled state [ 21.388134][ T417] br: port 3(d3) entered blocking state [ 21.388153][ T417] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.388155][ T417] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 417, name: kworker/u19:2 [ 21.388156][ T417] preempt_count: 202, expected: 0 [ 21.388157][ T417] RCU nest depth: 0, expected: 0 [ 21.388158][ T417] locks held by kworker/u19:2/417: 8, last CPU#2: [ 21.388160][ T417] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 21.388173][ T417] #1: ffa0000001f57d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 21.388177][ T417] #2: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 21.388182][ T417] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 21.388188][ T417] #4: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.388192][ T417] #5: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.388196][ T417] #6: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.388200][ T417] #7: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.388204][ T417] irq event stamp: 193253 [ 21.388204][ T417] hardirqs last enabled at (193252): [] __down_trylock_console_sem+0x86/0xa0 [ 21.388207][ T417] hardirqs last disabled at (193253): [] console_emit_next_record+0x3d4/0x4c0 [ 21.388210][ T417] softirqs last enabled at (193214): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 21.388212][ T417] softirqs last disabled at (193248): [] br_port_carrier_check+0x161/0x430 [ 21.388215][ T417] Preemption disabled at: [ 21.388216][ T417] [<0000000000000000>] 0x0 [ 21.388223][ T417] CPU: 2 UID: 0 PID: 417 Comm: kworker/u19:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.388226][ T417] Tainted: [W]=WARN [ 21.388227][ T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.388228][ T417] Workqueue: events_unbound linkwatch_event [ 21.388232][ T417] Call Trace: [ 21.388233][ T417] [ 21.388235][ T417] dump_stack_lvl+0x6f/0xa0 [ 21.388241][ T417] __might_resched.cold+0x1fe/0x2c1 [ 21.388246][ T417] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.388250][ T417] ? __kmalloc_noprof+0xdb/0x760 [ 21.388254][ T417] __kmalloc_noprof+0x443/0x760 [ 21.388256][ T417] ? alloc_buf.isra.0+0x4b/0x260 [ 21.388263][ T417] ? do_raw_spin_unlock+0x59/0x250 [ 21.388265][ T417] alloc_buf.isra.0+0x4b/0x260 [ 21.388269][ T417] put_chars+0x1e1/0x2f0 [ 21.388272][ T417] ? __send_to_port+0x420/0x420 [ 21.388274][ T417] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.388277][ T417] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.388280][ T417] ? validate_chain+0x38b/0xc20 [ 21.388285][ T417] hvc_console_print+0x292/0x780 [ 21.388288][ T417] ? mark_usage+0x61/0x170 [ 21.388290][ T417] ? __lock_acquire+0x518/0xc20 [ 21.388292][ T417] ? __lock_acquire+0x518/0xc20 [ 21.388296][ T417] ? hvc_write+0x3a0/0x3a0 [ 21.388298][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 21.388303][ T417] ? lock_acquire+0x13c/0x160 [ 21.388307][ T417] console_emit_next_record+0x22f/0x4c0 [ 21.388311][ T417] ? devkmsg_read+0x4b0/0x4b0 [ 21.388313][ T417] ? console_flush_one_record+0x106/0x710 [ 21.388316][ T417] ? rcu_is_watching+0x16/0xd0 [ 21.388318][ T417] ? lock_acquire+0x13c/0x160 [ 21.388322][ T417] console_flush_one_record+0x46f/0x710 [ 21.388326][ T417] ? console_emit_next_record+0x4c0/0x4c0 [ 21.388328][ T417] ? __lock_acquire+0x518/0xc20 [ 21.388333][ T417] console_unlock+0xee/0x1f0 [ 21.388336][ T417] ? console_flush_one_record+0x710/0x710 [ 21.388338][ T417] ? rcu_is_watching+0x16/0xd0 [ 21.388340][ T417] ? lock_acquire+0xe0/0x160 [ 21.388344][ T417] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.388346][ T417] ? vprintk_emit+0x320/0x3e0 [ 21.388349][ T417] vprintk_emit+0x37c/0x3e0 [ 21.388352][ T417] ? wake_up_klogd_work_func+0x90/0x90 [ 21.388354][ T417] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.388356][ T417] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.388360][ T417] _printk+0xc7/0x100 [ 21.388363][ T417] ? snapshot_read.cold+0x21/0x21 [ 21.388368][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 21.388372][ T417] br_set_state+0x22f/0x430 [ 21.388376][ T417] br_init_port+0xc4/0x200 [ 21.388379][ T417] br_stp_enable_port+0x12/0x50 [ 21.388381][ T417] br_port_carrier_check+0x220/0x430 [ 21.388385][ T417] br_device_event+0x52d/0x8f0 [ 21.388388][ T417] ? packet_sendmsg_spkt+0x1360/0x1360 [ 21.388389][ T417] ? nlmsg_notify+0x62/0x250 [ 21.388396][ T417] notifier_call_chain+0xae/0x300 [ 21.388402][ T417] netif_state_change+0x139/0x3d0 [ 21.388407][ T417] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 21.388412][ T417] ? linkwatch_do_dev+0xae/0xd0 [ 21.388416][ T417] __linkwatch_run_queue+0x350/0x850 [ 21.388419][ T417] ? linkwatch_do_dev+0xd0/0xd0 [ 21.388422][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 21.388426][ T417] linkwatch_event+0x7f/0xb0 [ 21.388429][ T417] ? __linkwatch_run_queue+0x850/0x850 [ 21.388432][ T417] process_one_work+0xe3e/0x1560 [ 21.388439][ T417] ? __queue_delayed_work+0x470/0x470 [ 21.388442][ T417] ? lock_acquire.part.0+0xd4/0x280 [ 21.388450][ T417] worker_thread+0x4f1/0xd60 [ 21.388454][ T417] ? rescuer_thread+0x1340/0x1340 [ 21.388456][ T417] ? __kthread_parkme+0xbd/0x210 [ 21.388459][ T417] ? rescuer_thread+0x1340/0x1340 [ 21.388462][ T417] ? rescuer_thread+0x1340/0x1340 [ 21.388464][ T417] kthread+0x367/0x460 [ 21.388465][ T417] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.388469][ T417] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.388472][ T417] ret_from_fork+0x474/0x6b0 [ 21.388477][ T417] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 21.388480][ T417] ? __switch_to+0x5a3/0xe00 [ 21.388484][ T417] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.388486][ T417] ret_from_fork_asm+0x11/0x20 [ 21.388495][ T417] [ 21.415767][ T417] br: port 3(d3) entered forwarding state [ 21.418905][ T38] br: port 2(d2) entered blocking state [ 21.419151][ T38] br: port 2(d2) entered forwarding state [ 21.453770][ T39] br: port 1(d1) entered blocking state [ 21.454018][ T39] br: port 1(d1) entered forwarding state [ 22.229141][ T1564] br: port 1(d1) entered disabled state [ 22.530007][ T1602] br: port 1(d1) entered blocking state [ 22.530026][ T1602] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.530028][ T1602] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1602, name: ip [ 22.530029][ T1602] preempt_count: 202, expected: 0 [ 22.530030][ T1602] RCU nest depth: 0, expected: 0 [ 22.530031][ T1602] locks held by ip/1602: 6, last CPU#2: [ 22.530033][ T1602] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 22.530045][ T1602] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 22.530050][ T1602] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.530055][ T1602] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.530059][ T1602] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.530063][ T1602] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.530067][ T1602] irq event stamp: 16237 [ 22.530068][ T1602] hardirqs last enabled at (16236): [] __down_trylock_console_sem+0x86/0xa0 [ 22.530071][ T1602] hardirqs last disabled at (16237): [] console_emit_next_record+0x3d4/0x4c0 [ 22.530073][ T1602] softirqs last enabled at (16198): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 22.530075][ T1602] softirqs last disabled at (16232): [] br_device_event+0x5fd/0x8f0 [ 22.530078][ T1602] Preemption disabled at: [ 22.530079][ T1602] [<0000000000000000>] 0x0 [ 22.530085][ T1602] CPU: 2 UID: 0 PID: 1602 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.530089][ T1602] Tainted: [W]=WARN [ 22.530090][ T1602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.530091][ T1602] Call Trace: [ 22.530093][ T1602] [ 22.530094][ T1602] dump_stack_lvl+0x6f/0xa0 [ 22.530100][ T1602] __might_resched.cold+0x1fe/0x2c1 [ 22.530105][ T1602] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.530109][ T1602] ? __kmalloc_noprof+0xdb/0x760 [ 22.530114][ T1602] __kmalloc_noprof+0x443/0x760 [ 22.530116][ T1602] ? alloc_buf.isra.0+0x4b/0x260 [ 22.530122][ T1602] ? do_raw_spin_unlock+0x59/0x250 [ 22.530124][ T1602] alloc_buf.isra.0+0x4b/0x260 [ 22.530128][ T1602] put_chars+0x1e1/0x2f0 [ 22.530130][ T1602] ? __send_to_port+0x420/0x420 [ 22.530132][ T1602] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.530135][ T1602] ? validate_chain+0x38b/0xc20 [ 22.530141][ T1602] hvc_console_print+0x292/0x780 [ 22.530148][ T1602] ? hvc_write+0x3a0/0x3a0 [ 22.530150][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530152][ T1602] ? lock_acquire+0x13c/0x160 [ 22.530157][ T1602] console_emit_next_record+0x22f/0x4c0 [ 22.530160][ T1602] ? devkmsg_read+0x4b0/0x4b0 [ 22.530162][ T1602] ? console_flush_one_record+0x106/0x710 [ 22.530165][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530167][ T1602] ? lock_acquire+0x13c/0x160 [ 22.530171][ T1602] console_flush_one_record+0x46f/0x710 [ 22.530175][ T1602] ? console_emit_next_record+0x4c0/0x4c0 [ 22.530177][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.530182][ T1602] console_unlock+0xee/0x1f0 [ 22.530185][ T1602] ? console_flush_one_record+0x710/0x710 [ 22.530187][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530188][ T1602] ? lock_acquire+0xe0/0x160 [ 22.530192][ T1602] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.530194][ T1602] ? vprintk_emit+0x320/0x3e0 [ 22.530196][ T1602] vprintk_emit+0x37c/0x3e0 [ 22.530200][ T1602] ? wake_up_klogd_work_func+0x90/0x90 [ 22.530202][ T1602] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.530203][ T1602] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.530208][ T1602] _printk+0xc7/0x100 [ 22.530212][ T1602] ? snapshot_read.cold+0x21/0x21 [ 22.530217][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.530220][ T1602] br_set_state+0x22f/0x430 [ 22.530225][ T1602] br_init_port+0xc4/0x200 [ 22.530227][ T1602] br_stp_enable_port+0x12/0x50 [ 22.530229][ T1602] br_device_event+0x605/0x8f0 [ 22.530232][ T1602] ? packet_sendmsg_spkt+0x1360/0x1360 [ 22.530234][ T1602] ? nlmsg_notify+0x62/0x250 [ 22.530240][ T1602] notifier_call_chain+0xae/0x300 [ 22.530246][ T1602] __dev_notify_flags+0x1b7/0x450 [ 22.530251][ T1602] ? netif_change_name+0x8c0/0x8c0 [ 22.530254][ T1602] ? netif_set_allmulti+0x2c0/0x2c0 [ 22.530257][ T1602] ? kernel_text_address+0x149/0x170 [ 22.530260][ T1602] ? __kernel_text_address+0x12/0x30 [ 22.530261][ T1602] ? write_profile+0xf0/0xf0 [ 22.530266][ T1602] netif_change_flags+0xfe/0x190 [ 22.530270][ T1602] do_setlink.isra.0+0x1d25/0x2a60 [ 22.530273][ T1602] ? stack_trace_save+0x93/0xc0 [ 22.530275][ T1602] ? rtnl_link_get_size+0x350/0x350 [ 22.530276][ T1602] ? rcu_read_lock_any_held+0x66/0x90 [ 22.530278][ T1602] ? stack_depot_save_flags+0x38e/0x790 [ 22.530282][ T1602] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.530284][ T1602] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.530285][ T1602] ? validate_chain+0x38b/0xc20 [ 22.530288][ T1602] ? kasan_save_stack+0x3d/0x50 [ 22.530290][ T1602] ? kasan_save_stack+0x2f/0x50 [ 22.530291][ T1602] ? kasan_save_track+0x14/0x30 [ 22.530292][ T1602] ? __kasan_kmalloc+0x7b/0x90 [ 22.530295][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.530296][ T1602] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 22.530299][ T1602] ? ___sys_sendmsg+0xd0/0x1d0 [ 22.530303][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.530305][ T1602] ? rtnl_newlink+0x9a8/0x11b0 [ 22.530307][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530309][ T1602] ? lock_acquire+0x13c/0x160 [ 22.530311][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530312][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530313][ T1602] ? trace_contention_end+0xb3/0x180 [ 22.530316][ T1602] ? __mutex_lock+0x1db/0x1ea0 [ 22.530318][ T1602] ? __mutex_lock+0x9a3/0x1ea0 [ 22.530320][ T1602] ? rtnl_newlink+0x9a8/0x11b0 [ 22.530324][ T1602] ? ww_mutex_lock+0x160/0x160 [ 22.530327][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530329][ T1602] ? __rtnl_newlink+0x3fa/0xa50 [ 22.530335][ T1602] rtnl_newlink+0x9f1/0x11b0 [ 22.530340][ T1602] ? rtnl_bridge_getlink+0x850/0x850 [ 22.530342][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.530347][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.530349][ T1602] ? find_held_lock+0x2b/0x80 [ 22.530353][ T1602] ? rtnl_bridge_getlink+0x850/0x850 [ 22.530355][ T1602] ? __lock_release.isra.0+0x69/0x1a0 [ 22.530359][ T1602] ? rtnl_bridge_getlink+0x850/0x850 [ 22.530361][ T1602] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.530364][ T1602] ? rtnl_link_fill+0x920/0x920 [ 22.530365][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.530370][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.530372][ T1602] ? find_held_lock+0x2b/0x80 [ 22.530375][ T1602] netlink_rcv_skb+0x14e/0x3a0 [ 22.530377][ T1602] ? rtnl_link_fill+0x920/0x920 [ 22.530380][ T1602] ? netlink_ack+0xcf0/0xcf0 [ 22.530386][ T1602] ? netlink_deliver_tap+0xc5/0x330 [ 22.530388][ T1602] ? netlink_deliver_tap+0x13c/0x330 [ 22.530392][ T1602] netlink_unicast+0x486/0x750 [ 22.530396][ T1602] ? netlink_attachskb+0x810/0x810 [ 22.530399][ T1602] ? find_held_lock+0x2b/0x80 [ 22.530403][ T1602] netlink_sendmsg+0x75b/0xc90 [ 22.530407][ T1602] ? netlink_unicast+0x750/0x750 [ 22.530411][ T1602] ? __lock_release.isra.0+0x69/0x1a0 [ 22.530412][ T1602] ? __import_iovec+0x36c/0x620 [ 22.530417][ T1602] __sock_sendmsg+0xce/0x190 [ 22.530420][ T1602] ____sys_sendmsg+0x61a/0x860 [ 22.530422][ T1602] ? copy_msghdr_from_user+0x279/0x420 [ 22.530424][ T1602] ? sock_write_iter+0x400/0x400 [ 22.530426][ T1602] ? move_addr_to_kernel+0x40/0x40 [ 22.530433][ T1602] ___sys_sendmsg+0x14e/0x1d0 [ 22.530436][ T1602] ? copy_msghdr_from_user+0x420/0x420 [ 22.530452][ T1602] __sys_sendmsg+0x12c/0x1d0 [ 22.530455][ T1602] ? __sys_sendmsg_sock+0x20/0x20 [ 22.530461][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.530464][ T1602] do_syscall_64+0xff/0x530 [ 22.530467][ T1602] ? exc_page_fault+0xee/0x100 [ 22.530470][ T1602] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.530472][ T1602] RIP: 0033:0x7f3061ffe54e [ 22.530474][ T1602] 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 [ 22.530476][ T1602] RSP: 002b:00007fffffa27900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.530478][ T1602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3061ffe54e [ 22.530479][ T1602] RDX: 0000000000000000 RSI: 00007fffffa279b0 RDI: 0000000000000005 [ 22.530480][ T1602] RBP: 00007fffffa27910 R08: 0000000000000000 R09: 0000000000000000 [ 22.530481][ T1602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4a5 [ 22.530482][ T1602] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffffa28070 [ 22.530489][ T1602] [ 22.572702][ T1602] br: port 1(d1) entered forwarding state [ 22.655970][ T1610] br: port 2(d2) entered disabled state [ 22.972011][ T1648] br: port 2(d2) entered blocking state [ 22.972272][ T1648] br: port 2(d2) entered forwarding state [ 23.047274][ T1656] br: port 1(d1) entered disabled state [ 23.127792][ T1664] br: port 2(d2) entered disabled state [ 23.429023][ T39] br: port 2(d2) entered blocking state [ 23.429265][ T39] br: port 2(d2) entered forwarding state [ 23.463776][ T36] br: port 1(d1) entered blocking state [ 23.464014][ T36] br: port 1(d1) entered forwarding state [ 23.556188][ T1712] br: port 1(d1) entered disabled state [ 23.556200][ T1712] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.556203][ T1712] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1712, name: ip [ 23.556204][ T1712] preempt_count: 202, expected: 0 [ 23.556205][ T1712] RCU nest depth: 0, expected: 0 [ 23.556206][ T1712] locks held by ip/1712: 6, last CPU#3: [ 23.556208][ T1712] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 23.556220][ T1712] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 23.556225][ T1712] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.556230][ T1712] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.556234][ T1712] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.556238][ T1712] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.556242][ T1712] irq event stamp: 23789 [ 23.556242][ T1712] hardirqs last enabled at (23788): [] __down_trylock_console_sem+0x86/0xa0 [ 23.556245][ T1712] hardirqs last disabled at (23789): [] console_emit_next_record+0x3d4/0x4c0 [ 23.556247][ T1712] softirqs last enabled at (23772): [] ipv6_mc_down+0x134/0x2d0 [ 23.556250][ T1712] softirqs last disabled at (23784): [] br_device_event+0x1d7/0x8f0 [ 23.556252][ T1712] Preemption disabled at: [ 23.556253][ T1712] [<0000000000000000>] 0x0 [ 23.556260][ T1712] CPU: 3 UID: 0 PID: 1712 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.556263][ T1712] Tainted: [W]=WARN [ 23.556264][ T1712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.556266][ T1712] Call Trace: [ 23.556267][ T1712] [ 23.556269][ T1712] dump_stack_lvl+0x6f/0xa0 [ 23.556275][ T1712] __might_resched.cold+0x1fe/0x2c1 [ 23.556280][ T1712] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.556284][ T1712] ? __kmalloc_noprof+0xdb/0x760 [ 23.556288][ T1712] __kmalloc_noprof+0x443/0x760 [ 23.556290][ T1712] ? alloc_buf.isra.0+0x4b/0x260 [ 23.556297][ T1712] ? do_raw_spin_unlock+0x59/0x250 [ 23.556299][ T1712] alloc_buf.isra.0+0x4b/0x260 [ 23.556303][ T1712] put_chars+0x1e1/0x2f0 [ 23.556305][ T1712] ? __send_to_port+0x420/0x420 [ 23.556311][ T1712] hvc_console_print+0x292/0x780 [ 23.556318][ T1712] ? hvc_write+0x3a0/0x3a0 [ 23.556322][ T1712] ? lock_acquire+0x13c/0x160 [ 23.556326][ T1712] console_emit_next_record+0x22f/0x4c0 [ 23.556330][ T1712] ? devkmsg_read+0x4b0/0x4b0 [ 23.556332][ T1712] ? console_flush_one_record+0x106/0x710 [ 23.556335][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556338][ T1712] ? lock_acquire+0x13c/0x160 [ 23.556342][ T1712] console_flush_one_record+0x46f/0x710 [ 23.556346][ T1712] ? console_emit_next_record+0x4c0/0x4c0 [ 23.556348][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.556353][ T1712] console_unlock+0xee/0x1f0 [ 23.556356][ T1712] ? console_flush_one_record+0x710/0x710 [ 23.556358][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556359][ T1712] ? lock_acquire+0xe0/0x160 [ 23.556363][ T1712] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.556365][ T1712] ? vprintk_emit+0x320/0x3e0 [ 23.556368][ T1712] vprintk_emit+0x37c/0x3e0 [ 23.556371][ T1712] ? wake_up_klogd_work_func+0x90/0x90 [ 23.556372][ T1712] ? mark_held_locks+0x40/0x70 [ 23.556374][ T1712] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.556377][ T1712] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.556381][ T1712] _printk+0xc7/0x100 [ 23.556384][ T1712] ? snapshot_read.cold+0x21/0x21 [ 23.556392][ T1712] br_set_state+0x22f/0x430 [ 23.556396][ T1712] br_stp_disable_port+0x11f/0x390 [ 23.556399][ T1712] br_device_event+0x7b5/0x8f0 [ 23.556401][ T1712] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 23.556405][ T1712] ? packet_sendmsg_spkt+0x1360/0x1360 [ 23.556411][ T1712] notifier_call_chain+0xae/0x300 [ 23.556418][ T1712] __dev_notify_flags+0x23c/0x450 [ 23.556423][ T1712] ? netif_change_name+0x8c0/0x8c0 [ 23.556427][ T1712] ? netif_set_allmulti+0x2c0/0x2c0 [ 23.556430][ T1712] ? __kernel_text_address+0x12/0x30 [ 23.556433][ T1712] ? write_profile+0xf0/0xf0 [ 23.556437][ T1712] netif_change_flags+0xfe/0x190 [ 23.556441][ T1712] do_setlink.isra.0+0x1d25/0x2a60 [ 23.556445][ T1712] ? stack_trace_save+0x93/0xc0 [ 23.556447][ T1712] ? rtnl_link_get_size+0x350/0x350 [ 23.556448][ T1712] ? rcu_read_lock_any_held+0x66/0x90 [ 23.556450][ T1712] ? stack_depot_save_flags+0x38e/0x790 [ 23.556453][ T1712] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.556455][ T1712] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.556457][ T1712] ? validate_chain+0x38b/0xc20 [ 23.556459][ T1712] ? kasan_save_stack+0x3d/0x50 [ 23.556462][ T1712] ? kasan_save_stack+0x2f/0x50 [ 23.556463][ T1712] ? kasan_save_track+0x14/0x30 [ 23.556464][ T1712] ? __kasan_kmalloc+0x7b/0x90 [ 23.556466][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.556468][ T1712] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 23.556471][ T1712] ? ___sys_sendmsg+0xd0/0x1d0 [ 23.556475][ T1712] ? lock_acquire.part.0+0xd4/0x280 [ 23.556477][ T1712] ? rtnl_newlink+0x9a8/0x11b0 [ 23.556479][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556481][ T1712] ? lock_acquire+0x13c/0x160 [ 23.556482][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556483][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556485][ T1712] ? trace_contention_end+0xb3/0x180 [ 23.556487][ T1712] ? __mutex_lock+0x1db/0x1ea0 [ 23.556489][ T1712] ? __mutex_lock+0x9a3/0x1ea0 [ 23.556491][ T1712] ? rtnl_newlink+0x9a8/0x11b0 [ 23.556494][ T1712] ? ww_mutex_lock+0x160/0x160 [ 23.556497][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556500][ T1712] ? __rtnl_newlink+0x3fa/0xa50 [ 23.556505][ T1712] rtnl_newlink+0x9f1/0x11b0 [ 23.556510][ T1712] ? rtnl_bridge_getlink+0x850/0x850 [ 23.556512][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.556516][ T1712] ? lock_acquire.part.0+0xd4/0x280 [ 23.556518][ T1712] ? find_held_lock+0x2b/0x80 [ 23.556520][ T1712] ? rtnl_bridge_getlink+0x850/0x850 [ 23.556522][ T1712] ? __lock_release.isra.0+0x69/0x1a0 [ 23.556526][ T1712] ? rtnl_bridge_getlink+0x850/0x850 [ 23.556528][ T1712] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.556531][ T1712] ? rtnl_link_fill+0x920/0x920 [ 23.556532][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.556537][ T1712] ? lock_acquire.part.0+0xd4/0x280 [ 23.556538][ T1712] ? find_held_lock+0x2b/0x80 [ 23.556542][ T1712] netlink_rcv_skb+0x14e/0x3a0 [ 23.556545][ T1712] ? rtnl_link_fill+0x920/0x920 [ 23.556548][ T1712] ? netlink_ack+0xcf0/0xcf0 [ 23.556554][ T1712] ? netlink_deliver_tap+0xc5/0x330 [ 23.556556][ T1712] ? netlink_deliver_tap+0x13c/0x330 [ 23.556561][ T1712] netlink_unicast+0x486/0x750 [ 23.556564][ T1712] ? netlink_attachskb+0x810/0x810 [ 23.556567][ T1712] ? find_held_lock+0x2b/0x80 [ 23.556571][ T1712] netlink_sendmsg+0x75b/0xc90 [ 23.556575][ T1712] ? netlink_unicast+0x750/0x750 [ 23.556579][ T1712] ? __lock_release.isra.0+0x69/0x1a0 [ 23.556581][ T1712] ? __import_iovec+0x36c/0x620 [ 23.556586][ T1712] __sock_sendmsg+0xce/0x190 [ 23.556588][ T1712] ____sys_sendmsg+0x61a/0x860 [ 23.556591][ T1712] ? copy_msghdr_from_user+0x279/0x420 [ 23.556593][ T1712] ? sock_write_iter+0x400/0x400 [ 23.556594][ T1712] ? move_addr_to_kernel+0x40/0x40 [ 23.556607][ T1712] ___sys_sendmsg+0x14e/0x1d0 [ 23.556610][ T1712] ? copy_msghdr_from_user+0x420/0x420 [ 23.556626][ T1712] __sys_sendmsg+0x12c/0x1d0 [ 23.556628][ T1712] ? __sys_sendmsg_sock+0x20/0x20 [ 23.556635][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.556638][ T1712] do_syscall_64+0xff/0x530 [ 23.556641][ T1712] ? exc_page_fault+0xee/0x100 [ 23.556643][ T1712] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.556646][ T1712] RIP: 0033:0x7ff8224d154e [ 23.556648][ T1712] 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 [ 23.556650][ T1712] RSP: 002b:00007ffc533843e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.556653][ T1712] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff8224d154e [ 23.556654][ T1712] RDX: 0000000000000000 RSI: 00007ffc53384490 RDI: 0000000000000005 [ 23.556655][ T1712] RBP: 00007ffc533843f0 R08: 0000000000000000 R09: 0000000000000000 [ 23.556656][ T1712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4a6 [ 23.556657][ T1712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc53384b50 [ 23.556663][ T1712] [ 23.668316][ T1720] br: port 2(d2) entered disabled state [ 23.746277][ T1728] br: port 3(d3) entered disabled state [ 24.052337][ T1766] br: port 3(d3) entered blocking state [ 24.052610][ T1766] br: port 3(d3) entered forwarding state [ 24.083586][ T1768] br: port 2(d2) entered blocking state [ 24.083860][ T1768] br: port 2(d2) entered forwarding state [ 24.127211][ T1770] br: port 1(d1) entered blocking state [ 24.127517][ T1770] br: port 1(d1) entered forwarding state [ 24.895905][ T1827] br: port 1(d1) entered disabled state [ 24.895922][ T1827] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.895924][ T1827] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1827, name: ip [ 24.895925][ T1827] preempt_count: 202, expected: 0 [ 24.895926][ T1827] RCU nest depth: 0, expected: 0 [ 24.895927][ T1827] locks held by ip/1827: 6, last CPU#0: [ 24.895929][ T1827] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 24.895941][ T1827] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 24.895946][ T1827] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.895951][ T1827] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.895956][ T1827] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.895959][ T1827] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.895963][ T1827] irq event stamp: 23615 [ 24.895964][ T1827] hardirqs last enabled at (23614): [] __down_trylock_console_sem+0x86/0xa0 [ 24.895967][ T1827] hardirqs last disabled at (23615): [] console_emit_next_record+0x3d4/0x4c0 [ 24.895969][ T1827] softirqs last enabled at (23598): [] ipv6_mc_down+0x134/0x2d0 [ 24.895972][ T1827] softirqs last disabled at (23610): [] br_device_event+0x1d7/0x8f0 [ 24.895974][ T1827] Preemption disabled at: [ 24.895975][ T1827] [<0000000000000000>] 0x0 [ 24.895981][ T1827] CPU: 0 UID: 0 PID: 1827 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.895985][ T1827] Tainted: [W]=WARN [ 24.895986][ T1827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.895988][ T1827] Call Trace: [ 24.895989][ T1827] [ 24.895990][ T1827] dump_stack_lvl+0x6f/0xa0 [ 24.895997][ T1827] __might_resched.cold+0x1fe/0x2c1 [ 24.896002][ T1827] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.896006][ T1827] ? __kmalloc_noprof+0xdb/0x760 [ 24.896010][ T1827] __kmalloc_noprof+0x443/0x760 [ 24.896012][ T1827] ? alloc_buf.isra.0+0x4b/0x260 [ 24.896019][ T1827] ? do_raw_spin_unlock+0x59/0x250 [ 24.896021][ T1827] alloc_buf.isra.0+0x4b/0x260 [ 24.896025][ T1827] put_chars+0x1e1/0x2f0 [ 24.896027][ T1827] ? __send_to_port+0x420/0x420 [ 24.896033][ T1827] hvc_console_print+0x292/0x780 [ 24.896041][ T1827] ? hvc_write+0x3a0/0x3a0 [ 24.896044][ T1827] ? lock_acquire+0x13c/0x160 [ 24.896048][ T1827] console_emit_next_record+0x22f/0x4c0 [ 24.896052][ T1827] ? devkmsg_read+0x4b0/0x4b0 [ 24.896054][ T1827] ? console_flush_one_record+0x106/0x710 [ 24.896057][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896060][ T1827] ? lock_acquire+0x13c/0x160 [ 24.896064][ T1827] console_flush_one_record+0x46f/0x710 [ 24.896068][ T1827] ? console_emit_next_record+0x4c0/0x4c0 [ 24.896070][ T1827] ? __lock_acquire+0x518/0xc20 [ 24.896075][ T1827] console_unlock+0xee/0x1f0 [ 24.896078][ T1827] ? console_flush_one_record+0x710/0x710 [ 24.896080][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896082][ T1827] ? lock_acquire+0xe0/0x160 [ 24.896085][ T1827] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.896087][ T1827] ? vprintk_emit+0x320/0x3e0 [ 24.896090][ T1827] vprintk_emit+0x37c/0x3e0 [ 24.896093][ T1827] ? wake_up_klogd_work_func+0x90/0x90 [ 24.896094][ T1827] ? mark_held_locks+0x40/0x70 [ 24.896097][ T1827] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.896099][ T1827] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.896103][ T1827] _printk+0xc7/0x100 [ 24.896106][ T1827] ? snapshot_read.cold+0x21/0x21 [ 24.896114][ T1827] br_set_state+0x22f/0x430 [ 24.896118][ T1827] br_stp_disable_port+0x11f/0x390 [ 24.896122][ T1827] br_device_event+0x7b5/0x8f0 [ 24.896124][ T1827] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.896128][ T1827] ? packet_sendmsg_spkt+0x1360/0x1360 [ 24.896133][ T1827] notifier_call_chain+0xae/0x300 [ 24.896139][ T1827] __dev_notify_flags+0x23c/0x450 [ 24.896144][ T1827] ? netif_change_name+0x8c0/0x8c0 [ 24.896147][ T1827] ? netif_set_allmulti+0x2c0/0x2c0 [ 24.896150][ T1827] ? __kernel_text_address+0x12/0x30 [ 24.896153][ T1827] ? write_profile+0xf0/0xf0 [ 24.896158][ T1827] netif_change_flags+0xfe/0x190 [ 24.896161][ T1827] do_setlink.isra.0+0x1d25/0x2a60 [ 24.896165][ T1827] ? stack_trace_save+0x93/0xc0 [ 24.896167][ T1827] ? rtnl_link_get_size+0x350/0x350 [ 24.896168][ T1827] ? rcu_read_lock_any_held+0x66/0x90 [ 24.896170][ T1827] ? stack_depot_save_flags+0x38e/0x790 [ 24.896173][ T1827] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.896175][ T1827] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.896177][ T1827] ? validate_chain+0x38b/0xc20 [ 24.896180][ T1827] ? kasan_save_stack+0x3d/0x50 [ 24.896182][ T1827] ? kasan_save_stack+0x2f/0x50 [ 24.896183][ T1827] ? kasan_save_track+0x14/0x30 [ 24.896184][ T1827] ? __kasan_kmalloc+0x7b/0x90 [ 24.896187][ T1827] ? __lock_acquire+0x518/0xc20 [ 24.896188][ T1827] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 24.896191][ T1827] ? ___sys_sendmsg+0xd0/0x1d0 [ 24.896195][ T1827] ? lock_acquire.part.0+0xd4/0x280 [ 24.896197][ T1827] ? rtnl_newlink+0x9a8/0x11b0 [ 24.896199][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896201][ T1827] ? lock_acquire+0x13c/0x160 [ 24.896203][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896204][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896205][ T1827] ? trace_contention_end+0xb3/0x180 [ 24.896208][ T1827] ? __mutex_lock+0x1db/0x1ea0 [ 24.896209][ T1827] ? __mutex_lock+0x9a3/0x1ea0 [ 24.896211][ T1827] ? rtnl_newlink+0x9a8/0x11b0 [ 24.896214][ T1827] ? ww_mutex_lock+0x160/0x160 [ 24.896218][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896220][ T1827] ? __rtnl_newlink+0x3fa/0xa50 [ 24.896225][ T1827] rtnl_newlink+0x9f1/0x11b0 [ 24.896230][ T1827] ? rtnl_bridge_getlink+0x850/0x850 [ 24.896232][ T1827] ? __lock_acquire+0x518/0xc20 [ 24.896237][ T1827] ? lock_acquire.part.0+0xd4/0x280 [ 24.896239][ T1827] ? find_held_lock+0x2b/0x80 [ 24.896241][ T1827] ? rtnl_bridge_getlink+0x850/0x850 [ 24.896243][ T1827] ? __lock_release.isra.0+0x69/0x1a0 [ 24.896246][ T1827] ? rtnl_bridge_getlink+0x850/0x850 [ 24.896248][ T1827] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.896252][ T1827] ? rtnl_link_fill+0x920/0x920 [ 24.896253][ T1827] ? __lock_acquire+0x518/0xc20 [ 24.896257][ T1827] ? lock_acquire.part.0+0xd4/0x280 [ 24.896259][ T1827] ? find_held_lock+0x2b/0x80 [ 24.896263][ T1827] netlink_rcv_skb+0x14e/0x3a0 [ 24.896266][ T1827] ? rtnl_link_fill+0x920/0x920 [ 24.896269][ T1827] ? netlink_ack+0xcf0/0xcf0 [ 24.896275][ T1827] ? netlink_deliver_tap+0xc5/0x330 [ 24.896277][ T1827] ? netlink_deliver_tap+0x13c/0x330 [ 24.896281][ T1827] netlink_unicast+0x486/0x750 [ 24.896285][ T1827] ? netlink_attachskb+0x810/0x810 [ 24.896288][ T1827] ? find_held_lock+0x2b/0x80 [ 24.896292][ T1827] netlink_sendmsg+0x75b/0xc90 [ 24.896296][ T1827] ? netlink_unicast+0x750/0x750 [ 24.896300][ T1827] ? __lock_release.isra.0+0x69/0x1a0 [ 24.896301][ T1827] ? __import_iovec+0x36c/0x620 [ 24.896307][ T1827] __sock_sendmsg+0xce/0x190 [ 24.896309][ T1827] ____sys_sendmsg+0x61a/0x860 [ 24.896312][ T1827] ? copy_msghdr_from_user+0x279/0x420 [ 24.896314][ T1827] ? sock_write_iter+0x400/0x400 [ 24.896315][ T1827] ? move_addr_to_kernel+0x40/0x40 [ 24.896323][ T1827] ___sys_sendmsg+0x14e/0x1d0 [ 24.896325][ T1827] ? copy_msghdr_from_user+0x420/0x420 [ 24.896341][ T1827] __sys_sendmsg+0x12c/0x1d0 [ 24.896344][ T1827] ? __sys_sendmsg_sock+0x20/0x20 [ 24.896350][ T1827] ? rcu_is_watching+0x16/0xd0 [ 24.896353][ T1827] do_syscall_64+0xff/0x530 [ 24.896356][ T1827] ? exc_page_fault+0xee/0x100 [ 24.896359][ T1827] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.896361][ T1827] RIP: 0033:0x7fdc1fef554e [ 24.896363][ T1827] 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 [ 24.896365][ T1827] RSP: 002b:00007fff9f51e0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.896367][ T1827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc1fef554e [ 24.896369][ T1827] RDX: 0000000000000000 RSI: 00007fff9f51e1a0 RDI: 0000000000000005 [ 24.896370][ T1827] RBP: 00007fff9f51e100 R08: 0000000000000000 R09: 0000000000000000 [ 24.896370][ T1827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4a8 [ 24.896371][ T1827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9f51e860 [ 24.896378][ T1827] [ 25.229489][ T39] br: port 1(d1) entered blocking state [ 25.229733][ T39] br: port 1(d1) entered forwarding state [ 25.305723][ T1873] br: port 2(d2) entered disabled state [ 25.609889][ T1911] br: port 2(d2) entered blocking state [ 25.610150][ T1911] br: port 2(d2) entered forwarding state [ 25.683764][ T1919] br: port 1(d1) entered disabled state [ 25.766193][ T1927] br: port 2(d2) entered disabled state [ 26.062353][ T1965] br: port 2(d2) entered blocking state [ 26.062370][ T1965] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.062373][ T1965] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1965, name: ip [ 26.062374][ T1965] preempt_count: 202, expected: 0 [ 26.062375][ T1965] RCU nest depth: 0, expected: 0 [ 26.062376][ T1965] locks held by ip/1965: 6, last CPU#2: [ 26.062378][ T1965] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.062390][ T1965] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 26.062395][ T1965] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.062400][ T1965] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.062404][ T1965] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.062408][ T1965] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.062412][ T1965] irq event stamp: 20481 [ 26.062413][ T1965] hardirqs last enabled at (20480): [] __down_trylock_console_sem+0x86/0xa0 [ 26.062418][ T1965] hardirqs last disabled at (20481): [] console_emit_next_record+0x3d4/0x4c0 [ 26.062420][ T1965] softirqs last enabled at (20442): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 26.062422][ T1965] softirqs last disabled at (20476): [] br_device_event+0x5fd/0x8f0 [ 26.062425][ T1965] Preemption disabled at: [ 26.062425][ T1965] [<0000000000000000>] 0x0 [ 26.062432][ T1965] CPU: 2 UID: 0 PID: 1965 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.062435][ T1965] Tainted: [W]=WARN [ 26.062436][ T1965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.062438][ T1965] Call Trace: [ 26.062440][ T1965] [ 26.062441][ T1965] dump_stack_lvl+0x6f/0xa0 [ 26.062447][ T1965] __might_resched.cold+0x1fe/0x2c1 [ 26.062452][ T1965] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.062456][ T1965] ? __kmalloc_noprof+0xdb/0x760 [ 26.062460][ T1965] __kmalloc_noprof+0x443/0x760 [ 26.062462][ T1965] ? alloc_buf.isra.0+0x4b/0x260 [ 26.062469][ T1965] ? do_raw_spin_unlock+0x59/0x250 [ 26.062471][ T1965] alloc_buf.isra.0+0x4b/0x260 [ 26.062475][ T1965] put_chars+0x1e1/0x2f0 [ 26.062478][ T1965] ? __send_to_port+0x420/0x420 [ 26.062479][ T1965] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.062482][ T1965] ? validate_chain+0x38b/0xc20 [ 26.062488][ T1965] hvc_console_print+0x292/0x780 [ 26.062495][ T1965] ? hvc_write+0x3a0/0x3a0 [ 26.062498][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062500][ T1965] ? lock_acquire+0x13c/0x160 [ 26.062504][ T1965] console_emit_next_record+0x22f/0x4c0 [ 26.062508][ T1965] ? devkmsg_read+0x4b0/0x4b0 [ 26.062510][ T1965] ? console_flush_one_record+0x106/0x710 [ 26.062513][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062514][ T1965] ? lock_acquire+0x13c/0x160 [ 26.062518][ T1965] console_flush_one_record+0x46f/0x710 [ 26.062522][ T1965] ? console_emit_next_record+0x4c0/0x4c0 [ 26.062524][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.062529][ T1965] console_unlock+0xee/0x1f0 [ 26.062532][ T1965] ? console_flush_one_record+0x710/0x710 [ 26.062534][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062536][ T1965] ? lock_acquire+0xe0/0x160 [ 26.062539][ T1965] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.062541][ T1965] ? vprintk_emit+0x320/0x3e0 [ 26.062544][ T1965] vprintk_emit+0x37c/0x3e0 [ 26.062547][ T1965] ? wake_up_klogd_work_func+0x90/0x90 [ 26.062549][ T1965] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.062551][ T1965] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.062555][ T1965] _printk+0xc7/0x100 [ 26.062559][ T1965] ? snapshot_read.cold+0x21/0x21 [ 26.062564][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.062567][ T1965] br_set_state+0x22f/0x430 [ 26.062572][ T1965] br_init_port+0xc4/0x200 [ 26.062574][ T1965] br_stp_enable_port+0x12/0x50 [ 26.062576][ T1965] br_device_event+0x605/0x8f0 [ 26.062579][ T1965] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.062581][ T1965] ? nlmsg_notify+0x62/0x250 [ 26.062587][ T1965] notifier_call_chain+0xae/0x300 [ 26.062593][ T1965] __dev_notify_flags+0x1b7/0x450 [ 26.062597][ T1965] ? netif_change_name+0x8c0/0x8c0 [ 26.062601][ T1965] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.062603][ T1965] ? kernel_text_address+0x149/0x170 [ 26.062606][ T1965] ? __kernel_text_address+0x12/0x30 [ 26.062608][ T1965] ? write_profile+0xf0/0xf0 [ 26.062617][ T1965] netif_change_flags+0xfe/0x190 [ 26.062621][ T1965] do_setlink.isra.0+0x1d25/0x2a60 [ 26.062625][ T1965] ? stack_trace_save+0x93/0xc0 [ 26.062627][ T1965] ? rtnl_link_get_size+0x350/0x350 [ 26.062628][ T1965] ? rcu_read_lock_any_held+0x66/0x90 [ 26.062630][ T1965] ? stack_depot_save_flags+0x38e/0x790 [ 26.062633][ T1965] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.062635][ T1965] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.062637][ T1965] ? validate_chain+0x38b/0xc20 [ 26.062639][ T1965] ? kasan_save_stack+0x3d/0x50 [ 26.062642][ T1965] ? kasan_save_stack+0x2f/0x50 [ 26.062643][ T1965] ? kasan_save_track+0x14/0x30 [ 26.062644][ T1965] ? __kasan_kmalloc+0x7b/0x90 [ 26.062646][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.062648][ T1965] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 26.062651][ T1965] ? ___sys_sendmsg+0xd0/0x1d0 [ 26.062655][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.062656][ T1965] ? rtnl_newlink+0x9a8/0x11b0 [ 26.062659][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062661][ T1965] ? lock_acquire+0x13c/0x160 [ 26.062662][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062663][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062665][ T1965] ? trace_contention_end+0xb3/0x180 [ 26.062667][ T1965] ? __mutex_lock+0x1db/0x1ea0 [ 26.062670][ T1965] ? __mutex_lock+0x9a3/0x1ea0 [ 26.062672][ T1965] ? rtnl_newlink+0x9a8/0x11b0 [ 26.062675][ T1965] ? ww_mutex_lock+0x160/0x160 [ 26.062678][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062681][ T1965] ? __rtnl_newlink+0x3fa/0xa50 [ 26.062686][ T1965] rtnl_newlink+0x9f1/0x11b0 [ 26.062691][ T1965] ? rtnl_bridge_getlink+0x850/0x850 [ 26.062693][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.062697][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.062699][ T1965] ? find_held_lock+0x2b/0x80 [ 26.062701][ T1965] ? rtnl_bridge_getlink+0x850/0x850 [ 26.062703][ T1965] ? __lock_release.isra.0+0x69/0x1a0 [ 26.062707][ T1965] ? rtnl_bridge_getlink+0x850/0x850 [ 26.062709][ T1965] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.062712][ T1965] ? rtnl_link_fill+0x920/0x920 [ 26.062713][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.062718][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.062719][ T1965] ? find_held_lock+0x2b/0x80 [ 26.062723][ T1965] netlink_rcv_skb+0x14e/0x3a0 [ 26.062725][ T1965] ? rtnl_link_fill+0x920/0x920 [ 26.062728][ T1965] ? netlink_ack+0xcf0/0xcf0 [ 26.062734][ T1965] ? netlink_deliver_tap+0xc5/0x330 [ 26.062736][ T1965] ? netlink_deliver_tap+0x13c/0x330 [ 26.062741][ T1965] netlink_unicast+0x486/0x750 [ 26.062744][ T1965] ? netlink_attachskb+0x810/0x810 [ 26.062747][ T1965] ? find_held_lock+0x2b/0x80 [ 26.062751][ T1965] netlink_sendmsg+0x75b/0xc90 [ 26.062755][ T1965] ? netlink_unicast+0x750/0x750 [ 26.062759][ T1965] ? __lock_release.isra.0+0x69/0x1a0 [ 26.062760][ T1965] ? __import_iovec+0x36c/0x620 [ 26.062765][ T1965] __sock_sendmsg+0xce/0x190 [ 26.062768][ T1965] ____sys_sendmsg+0x61a/0x860 [ 26.062770][ T1965] ? copy_msghdr_from_user+0x279/0x420 [ 26.062773][ T1965] ? sock_write_iter+0x400/0x400 [ 26.062774][ T1965] ? move_addr_to_kernel+0x40/0x40 [ 26.062781][ T1965] ___sys_sendmsg+0x14e/0x1d0 [ 26.062784][ T1965] ? copy_msghdr_from_user+0x420/0x420 [ 26.062800][ T1965] __sys_sendmsg+0x12c/0x1d0 [ 26.062803][ T1965] ? __sys_sendmsg_sock+0x20/0x20 [ 26.062809][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.062812][ T1965] do_syscall_64+0xff/0x530 [ 26.062815][ T1965] ? exc_page_fault+0xee/0x100 [ 26.062817][ T1965] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.062819][ T1965] RIP: 0033:0x7f6cc92dc54e [ 26.062822][ T1965] 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 [ 26.062823][ T1965] RSP: 002b:00007ffe1413c790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.062826][ T1965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6cc92dc54e [ 26.062828][ T1965] RDX: 0000000000000000 RSI: 00007ffe1413c840 RDI: 0000000000000005 [ 26.062829][ T1965] RBP: 00007ffe1413c7a0 R08: 0000000000000000 R09: 0000000000000000 [ 26.062830][ T1965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4a9 [ 26.062830][ T1965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1413cf00 [ 26.062837][ T1965] [ 26.107055][ T1965] br: port 2(d2) entered forwarding state [ 26.147968][ T1967] br: port 1(d1) entered blocking state [ 26.148214][ T1967] br: port 1(d1) entered forwarding state [ 26.217853][ T1975] br: port 1(d1) entered disabled state [ 26.296094][ T1983] br: port 2(d2) entered disabled state [ 26.383988][ T1991] br: port 3(d3) entered disabled state [ 27.509825][ T36] br: port 3(d3) entered blocking state [ 27.509844][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.509846][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 27.509847][ T36] preempt_count: 202, expected: 0 [ 27.509848][ T36] RCU nest depth: 0, expected: 0 [ 27.509849][ T36] locks held by kworker/u17:0/36: 8, last CPU#3: [ 27.509851][ T36] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 27.509864][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 27.509868][ T36] #2: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 27.509875][ T36] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 27.509880][ T36] #4: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.509884][ T36] #5: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.509888][ T36] #6: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.509892][ T36] #7: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 27.509896][ T36] irq event stamp: 311489 [ 27.509897][ T36] hardirqs last enabled at (311488): [] __down_trylock_console_sem+0x86/0xa0 [ 27.509900][ T36] hardirqs last disabled at (311489): [] console_emit_next_record+0x3d4/0x4c0 [ 27.509902][ T36] softirqs last enabled at (311450): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 27.509905][ T36] softirqs last disabled at (311484): [] br_port_carrier_check+0x161/0x430 [ 27.509908][ T36] Preemption disabled at: [ 27.509908][ T36] [<0000000000000000>] 0x0 [ 27.509915][ T36] CPU: 3 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.509918][ T36] Tainted: [W]=WARN [ 27.509919][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.509921][ T36] Workqueue: events_unbound linkwatch_event [ 27.509924][ T36] Call Trace: [ 27.509926][ T36] [ 27.509927][ T36] dump_stack_lvl+0x6f/0xa0 [ 27.509934][ T36] __might_resched.cold+0x1fe/0x2c1 [ 27.509939][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.509943][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 27.509947][ T36] __kmalloc_noprof+0x443/0x760 [ 27.509950][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 27.509956][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 27.509959][ T36] alloc_buf.isra.0+0x4b/0x260 [ 27.509963][ T36] put_chars+0x1e1/0x2f0 [ 27.509965][ T36] ? __send_to_port+0x420/0x420 [ 27.509968][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.509971][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.509974][ T36] ? validate_chain+0x38b/0xc20 [ 27.509978][ T36] hvc_console_print+0x292/0x780 [ 27.509982][ T36] ? mark_usage+0x61/0x170 [ 27.509984][ T36] ? __lock_acquire+0x518/0xc20 [ 27.509986][ T36] ? __lock_acquire+0x518/0xc20 [ 27.509990][ T36] ? hvc_write+0x3a0/0x3a0 [ 27.509992][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 27.509996][ T36] ? lock_acquire+0x13c/0x160 [ 27.510000][ T36] console_emit_next_record+0x22f/0x4c0 [ 27.510004][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 27.510006][ T36] ? console_flush_one_record+0x106/0x710 [ 27.510009][ T36] ? rcu_is_watching+0x16/0xd0 [ 27.510011][ T36] ? lock_acquire+0x13c/0x160 [ 27.510015][ T36] console_flush_one_record+0x46f/0x710 [ 27.510020][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 27.510021][ T36] ? __lock_acquire+0x518/0xc20 [ 27.510027][ T36] console_unlock+0xee/0x1f0 [ 27.510030][ T36] ? console_flush_one_record+0x710/0x710 [ 27.510032][ T36] ? rcu_is_watching+0x16/0xd0 [ 27.510033][ T36] ? lock_acquire+0xe0/0x160 [ 27.510037][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.510039][ T36] ? vprintk_emit+0x320/0x3e0 [ 27.510042][ T36] vprintk_emit+0x37c/0x3e0 [ 27.510045][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 27.510047][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.510049][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.510053][ T36] _printk+0xc7/0x100 [ 27.510056][ T36] ? snapshot_read.cold+0x21/0x21 [ 27.510061][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 27.510065][ T36] br_set_state+0x22f/0x430 [ 27.510070][ T36] br_init_port+0xc4/0x200 [ 27.510072][ T36] br_stp_enable_port+0x12/0x50 [ 27.510074][ T36] br_port_carrier_check+0x220/0x430 [ 27.510078][ T36] br_device_event+0x52d/0x8f0 [ 27.510081][ T36] ? packet_sendmsg_spkt+0x1360/0x1360 [ 27.510083][ T36] ? nlmsg_notify+0x62/0x250 [ 27.510089][ T36] notifier_call_chain+0xae/0x300 [ 27.510095][ T36] netif_state_change+0x139/0x3d0 [ 27.510100][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 27.510105][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 27.510107][ T36] __linkwatch_run_queue+0x350/0x850 [ 27.510110][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 27.510113][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 27.510117][ T36] linkwatch_event+0x7f/0xb0 [ 27.510120][ T36] ? __linkwatch_run_queue+0x850/0x850 [ 27.510123][ T36] process_one_work+0xe3e/0x1560 [ 27.510130][ T36] ? __queue_delayed_work+0x470/0x470 [ 27.510133][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 27.510140][ T36] worker_thread+0x4f1/0xd60 [ 27.510147][ T36] ? rescuer_thread+0x1340/0x1340 [ 27.510149][ T36] kthread+0x367/0x460 [ 27.510152][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.510155][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.510158][ T36] ret_from_fork+0x474/0x6b0 [ 27.510162][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 27.510166][ T36] ? __switch_to+0x5a3/0xe00 [ 27.510169][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.510172][ T36] ret_from_fork_asm+0x11/0x20 [ 27.510181][ T36] [ 27.532832][ T36] br: port 3(d3) entered forwarding state [ 27.553214][ T38] br: port 2(d2) entered blocking state [ 27.553482][ T38] br: port 2(d2) entered forwarding state [ 27.586932][ T38] br: port 1(d1) entered blocking state [ 27.587195][ T38] br: port 1(d1) entered forwarding state [ 28.237381][ T2176] br: port 1(d1) entered disabled state [ 28.780409][ T38] br: port 1(d1) entered blocking state [ 28.780438][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.780440][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 28.780442][ T38] preempt_count: 202, expected: 0 [ 28.780443][ T38] RCU nest depth: 0, expected: 0 [ 28.780444][ T38] locks held by kworker/u19:0/38: 8, last CPU#2: [ 28.780446][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 28.780459][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 28.780463][ T38] #2: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 28.780468][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 28.780474][ T38] #4: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.780478][ T38] #5: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.780482][ T38] #6: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.780485][ T38] #7: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.780489][ T38] irq event stamp: 84067 [ 28.780490][ T38] hardirqs last enabled at (84066): [] __down_trylock_console_sem+0x86/0xa0 [ 28.780493][ T38] hardirqs last disabled at (84067): [] console_emit_next_record+0x3d4/0x4c0 [ 28.780495][ T38] softirqs last enabled at (84026): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 28.780497][ T38] softirqs last disabled at (84060): [] br_port_carrier_check+0x161/0x430 [ 28.780500][ T38] Preemption disabled at: [ 28.780501][ T38] [<0000000000000000>] 0x0 [ 28.780507][ T38] CPU: 2 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.780511][ T38] Tainted: [W]=WARN [ 28.780512][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.780514][ T38] Workqueue: events_unbound linkwatch_event [ 28.780517][ T38] Call Trace: [ 28.780519][ T38] [ 28.780521][ T38] dump_stack_lvl+0x6f/0xa0 [ 28.780527][ T38] __might_resched.cold+0x1fe/0x2c1 [ 28.780532][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.780536][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 28.780540][ T38] __kmalloc_noprof+0x443/0x760 [ 28.780542][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 28.780549][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 28.780551][ T38] alloc_buf.isra.0+0x4b/0x260 [ 28.780555][ T38] put_chars+0x1e1/0x2f0 [ 28.780557][ T38] ? rcu_is_watching+0x16/0xd0 [ 28.780559][ T38] ? __send_to_port+0x420/0x420 [ 28.780562][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.780565][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.780567][ T38] ? validate_chain+0x38b/0xc20 [ 28.780571][ T38] hvc_console_print+0x292/0x780 [ 28.780575][ T38] ? mark_usage+0x61/0x170 [ 28.780577][ T38] ? __lock_acquire+0x518/0xc20 [ 28.780579][ T38] ? __lock_acquire+0x518/0xc20 [ 28.780583][ T38] ? hvc_write+0x3a0/0x3a0 [ 28.780585][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 28.780589][ T38] ? lock_acquire+0x13c/0x160 [ 28.780593][ T38] console_emit_next_record+0x22f/0x4c0 [ 28.780597][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 28.780599][ T38] ? console_flush_one_record+0x106/0x710 [ 28.780602][ T38] ? rcu_is_watching+0x16/0xd0 [ 28.780604][ T38] ? lock_acquire+0x13c/0x160 [ 28.780608][ T38] console_flush_one_record+0x46f/0x710 [ 28.780612][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 28.780614][ T38] ? __lock_acquire+0x518/0xc20 [ 28.780619][ T38] console_unlock+0xee/0x1f0 [ 28.780622][ T38] ? console_flush_one_record+0x710/0x710 [ 28.780624][ T38] ? rcu_is_watching+0x16/0xd0 [ 28.780626][ T38] ? lock_acquire+0xe0/0x160 [ 28.780633][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.780635][ T38] ? vprintk_emit+0x320/0x3e0 [ 28.780638][ T38] vprintk_emit+0x37c/0x3e0 [ 28.780641][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 28.780643][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.780645][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.780649][ T38] _printk+0xc7/0x100 [ 28.780653][ T38] ? snapshot_read.cold+0x21/0x21 [ 28.780658][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 28.780662][ T38] br_set_state+0x22f/0x430 [ 28.780666][ T38] br_init_port+0xc4/0x200 [ 28.780668][ T38] br_stp_enable_port+0x12/0x50 [ 28.780670][ T38] br_port_carrier_check+0x220/0x430 [ 28.780674][ T38] br_device_event+0x52d/0x8f0 [ 28.780677][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 28.780679][ T38] ? nlmsg_notify+0x62/0x250 [ 28.780686][ T38] notifier_call_chain+0xae/0x300 [ 28.780691][ T38] netif_state_change+0x139/0x3d0 [ 28.780696][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 28.780701][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 28.780703][ T38] __linkwatch_run_queue+0x350/0x850 [ 28.780706][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 28.780708][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 28.780712][ T38] linkwatch_event+0x7f/0xb0 [ 28.780715][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 28.780718][ T38] process_one_work+0xe3e/0x1560 [ 28.780725][ T38] ? __queue_delayed_work+0x470/0x470 [ 28.780728][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 28.780735][ T38] worker_thread+0x4f1/0xd60 [ 28.780742][ T38] ? rescuer_thread+0x1340/0x1340 [ 28.780745][ T38] kthread+0x367/0x460 [ 28.780747][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.780750][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 28.780753][ T38] ret_from_fork+0x474/0x6b0 [ 28.780757][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 28.780760][ T38] ? __switch_to+0x5a3/0xe00 [ 28.780764][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 28.780767][ T38] ret_from_fork_asm+0x11/0x20 [ 28.780775][ T38] [ 28.808849][ T38] br: port 1(d1) entered forwarding state [ 28.864078][ T2235] br: port 2(d2) entered disabled state [ 29.425927][ T417] br: port 2(d2) entered blocking state [ 29.426230][ T417] br: port 2(d2) entered forwarding state [ 29.516587][ T2294] br: port 1(d1) entered disabled state [ 29.586584][ T2302] br: port 2(d2) entered disabled state [ 30.144185][ T2353] br: port 2(d2) entered blocking state [ 30.144204][ T2353] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.144206][ T2353] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2353, name: ip [ 30.144207][ T2353] preempt_count: 202, expected: 0 [ 30.144208][ T2353] RCU nest depth: 0, expected: 0 [ 30.144209][ T2353] locks held by ip/2353: 6, last CPU#3: [ 30.144211][ T2353] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 30.144223][ T2353] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 30.144229][ T2353] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.144234][ T2353] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.144238][ T2353] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.144241][ T2353] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 30.144245][ T2353] irq event stamp: 11851 [ 30.144246][ T2353] hardirqs last enabled at (11850): [] __down_trylock_console_sem+0x86/0xa0 [ 30.144249][ T2353] hardirqs last disabled at (11851): [] console_emit_next_record+0x3d4/0x4c0 [ 30.144251][ T2353] softirqs last enabled at (11812): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 30.144254][ T2353] softirqs last disabled at (11846): [] br_device_event+0x5fd/0x8f0 [ 30.144256][ T2353] Preemption disabled at: [ 30.144257][ T2353] [<0000000000000000>] 0x0 [ 30.144264][ T2353] CPU: 3 UID: 0 PID: 2353 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.144267][ T2353] Tainted: [W]=WARN [ 30.144268][ T2353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.144270][ T2353] Call Trace: [ 30.144271][ T2353] [ 30.144273][ T2353] dump_stack_lvl+0x6f/0xa0 [ 30.144279][ T2353] __might_resched.cold+0x1fe/0x2c1 [ 30.144284][ T2353] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.144289][ T2353] ? __kmalloc_noprof+0xdb/0x760 [ 30.144293][ T2353] __kmalloc_noprof+0x443/0x760 [ 30.144295][ T2353] ? alloc_buf.isra.0+0x4b/0x260 [ 30.144301][ T2353] ? do_raw_spin_unlock+0x59/0x250 [ 30.144304][ T2353] alloc_buf.isra.0+0x4b/0x260 [ 30.144308][ T2353] put_chars+0x1e1/0x2f0 [ 30.144310][ T2353] ? __send_to_port+0x420/0x420 [ 30.144312][ T2353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.144315][ T2353] ? validate_chain+0x38b/0xc20 [ 30.144321][ T2353] hvc_console_print+0x292/0x780 [ 30.144328][ T2353] ? hvc_write+0x3a0/0x3a0 [ 30.144331][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144333][ T2353] ? lock_acquire+0x13c/0x160 [ 30.144337][ T2353] console_emit_next_record+0x22f/0x4c0 [ 30.144341][ T2353] ? devkmsg_read+0x4b0/0x4b0 [ 30.144343][ T2353] ? console_flush_one_record+0x106/0x710 [ 30.144346][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144347][ T2353] ? lock_acquire+0x13c/0x160 [ 30.144351][ T2353] console_flush_one_record+0x46f/0x710 [ 30.144355][ T2353] ? console_emit_next_record+0x4c0/0x4c0 [ 30.144357][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.144363][ T2353] console_unlock+0xee/0x1f0 [ 30.144366][ T2353] ? console_flush_one_record+0x710/0x710 [ 30.144367][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144369][ T2353] ? lock_acquire+0xe0/0x160 [ 30.144373][ T2353] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.144374][ T2353] ? vprintk_emit+0x320/0x3e0 [ 30.144377][ T2353] vprintk_emit+0x37c/0x3e0 [ 30.144380][ T2353] ? wake_up_klogd_work_func+0x90/0x90 [ 30.144383][ T2353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.144384][ T2353] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.144389][ T2353] _printk+0xc7/0x100 [ 30.144392][ T2353] ? snapshot_read.cold+0x21/0x21 [ 30.144397][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.144401][ T2353] br_set_state+0x22f/0x430 [ 30.144406][ T2353] br_init_port+0xc4/0x200 [ 30.144408][ T2353] br_stp_enable_port+0x12/0x50 [ 30.144410][ T2353] br_device_event+0x605/0x8f0 [ 30.144413][ T2353] ? packet_sendmsg_spkt+0x1360/0x1360 [ 30.144417][ T2353] ? nlmsg_notify+0x62/0x250 [ 30.144423][ T2353] notifier_call_chain+0xae/0x300 [ 30.144429][ T2353] __dev_notify_flags+0x1b7/0x450 [ 30.144434][ T2353] ? netif_change_name+0x8c0/0x8c0 [ 30.144438][ T2353] ? netif_set_allmulti+0x2c0/0x2c0 [ 30.144441][ T2353] ? kernel_text_address+0x149/0x170 [ 30.144444][ T2353] ? __kernel_text_address+0x12/0x30 [ 30.144445][ T2353] ? write_profile+0xf0/0xf0 [ 30.144450][ T2353] netif_change_flags+0xfe/0x190 [ 30.144454][ T2353] do_setlink.isra.0+0x1d25/0x2a60 [ 30.144457][ T2353] ? stack_trace_save+0x93/0xc0 [ 30.144459][ T2353] ? rtnl_link_get_size+0x350/0x350 [ 30.144461][ T2353] ? rcu_read_lock_any_held+0x66/0x90 [ 30.144463][ T2353] ? stack_depot_save_flags+0x38e/0x790 [ 30.144466][ T2353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.144468][ T2353] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.144470][ T2353] ? validate_chain+0x38b/0xc20 [ 30.144472][ T2353] ? kasan_save_stack+0x3d/0x50 [ 30.144474][ T2353] ? kasan_save_stack+0x2f/0x50 [ 30.144475][ T2353] ? kasan_save_track+0x14/0x30 [ 30.144476][ T2353] ? __kasan_kmalloc+0x7b/0x90 [ 30.144479][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.144481][ T2353] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 30.144484][ T2353] ? ___sys_sendmsg+0xd0/0x1d0 [ 30.144487][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.144489][ T2353] ? rtnl_newlink+0x9a8/0x11b0 [ 30.144492][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144493][ T2353] ? lock_acquire+0x13c/0x160 [ 30.144495][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144496][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144497][ T2353] ? trace_contention_end+0xb3/0x180 [ 30.144500][ T2353] ? __mutex_lock+0x1db/0x1ea0 [ 30.144502][ T2353] ? __mutex_lock+0x9a3/0x1ea0 [ 30.144504][ T2353] ? rtnl_newlink+0x9a8/0x11b0 [ 30.144508][ T2353] ? ww_mutex_lock+0x160/0x160 [ 30.144511][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144513][ T2353] ? __rtnl_newlink+0x3fa/0xa50 [ 30.144518][ T2353] rtnl_newlink+0x9f1/0x11b0 [ 30.144524][ T2353] ? rtnl_bridge_getlink+0x850/0x850 [ 30.144525][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.144530][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.144532][ T2353] ? find_held_lock+0x2b/0x80 [ 30.144534][ T2353] ? rtnl_bridge_getlink+0x850/0x850 [ 30.144536][ T2353] ? __lock_release.isra.0+0x69/0x1a0 [ 30.144539][ T2353] ? rtnl_bridge_getlink+0x850/0x850 [ 30.144541][ T2353] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.144544][ T2353] ? rtnl_link_fill+0x920/0x920 [ 30.144546][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.144550][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.144552][ T2353] ? find_held_lock+0x2b/0x80 [ 30.144555][ T2353] netlink_rcv_skb+0x14e/0x3a0 [ 30.144557][ T2353] ? rtnl_link_fill+0x920/0x920 [ 30.144560][ T2353] ? netlink_ack+0xcf0/0xcf0 [ 30.144566][ T2353] ? netlink_deliver_tap+0xc5/0x330 [ 30.144569][ T2353] ? netlink_deliver_tap+0x13c/0x330 [ 30.144573][ T2353] netlink_unicast+0x486/0x750 [ 30.144577][ T2353] ? netlink_attachskb+0x810/0x810 [ 30.144579][ T2353] ? find_held_lock+0x2b/0x80 [ 30.144584][ T2353] netlink_sendmsg+0x75b/0xc90 [ 30.144587][ T2353] ? netlink_unicast+0x750/0x750 [ 30.144591][ T2353] ? __lock_release.isra.0+0x69/0x1a0 [ 30.144593][ T2353] ? __import_iovec+0x36c/0x620 [ 30.144598][ T2353] __sock_sendmsg+0xce/0x190 [ 30.144601][ T2353] ____sys_sendmsg+0x61a/0x860 [ 30.144603][ T2353] ? copy_msghdr_from_user+0x279/0x420 [ 30.144605][ T2353] ? sock_write_iter+0x400/0x400 [ 30.144607][ T2353] ? move_addr_to_kernel+0x40/0x40 [ 30.144614][ T2353] ___sys_sendmsg+0x14e/0x1d0 [ 30.144617][ T2353] ? copy_msghdr_from_user+0x420/0x420 [ 30.144632][ T2353] __sys_sendmsg+0x12c/0x1d0 [ 30.144635][ T2353] ? __sys_sendmsg_sock+0x20/0x20 [ 30.144646][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.144649][ T2353] do_syscall_64+0xff/0x530 [ 30.144653][ T2353] ? exc_page_fault+0xee/0x100 [ 30.144655][ T2353] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.144658][ T2353] RIP: 0033:0x7f3ef127b54e [ 30.144660][ T2353] 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 [ 30.144662][ T2353] RSP: 002b:00007ffe33becbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.144664][ T2353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ef127b54e [ 30.144665][ T2353] RDX: 0000000000000000 RSI: 00007ffe33becca0 RDI: 0000000000000005 [ 30.144666][ T2353] RBP: 00007ffe33becc00 R08: 0000000000000000 R09: 0000000000000000 [ 30.144667][ T2353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4ad [ 30.144668][ T2353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe33bed360 [ 30.144675][ T2353] [ 30.182746][ T2353] br: port 2(d2) entered forwarding state [ 30.221934][ T2355] br: port 1(d1) entered blocking state [ 30.222185][ T2355] br: port 1(d1) entered forwarding state [ 30.303214][ T2363] br: port 1(d1) entered disabled state [ 30.375872][ T2371] br: port 2(d2) entered disabled state [ 30.454385][ T2379] br: port 3(d3) entered disabled state [ 31.033409][ T2430] br: port 3(d3) entered blocking state [ 31.033704][ T2430] br: port 3(d3) entered forwarding state [ 31.064486][ T2432] br: port 2(d2) entered blocking state [ 31.064766][ T2432] br: port 2(d2) entered forwarding state [ 31.093867][ T417] br: port 1(d1) entered blocking state [ 31.094156][ T417] br: port 1(d1) entered forwarding state [ 31.800247][ T2490] br: port 1(d1) entered disabled state [ 31.800266][ T2490] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.800269][ T2490] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2490, name: ip [ 31.800270][ T2490] preempt_count: 202, expected: 0 [ 31.800271][ T2490] RCU nest depth: 0, expected: 0 [ 31.800273][ T2490] locks held by ip/2490: 6, last CPU#2: [ 31.800274][ T2490] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 31.800287][ T2490] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 31.800293][ T2490] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.800298][ T2490] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.800302][ T2490] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.800305][ T2490] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 31.800309][ T2490] irq event stamp: 19051 [ 31.800310][ T2490] hardirqs last enabled at (19050): [] __down_trylock_console_sem+0x86/0xa0 [ 31.800313][ T2490] hardirqs last disabled at (19051): [] console_emit_next_record+0x3d4/0x4c0 [ 31.800315][ T2490] softirqs last enabled at (19034): [] ipv6_mc_down+0x134/0x2d0 [ 31.800318][ T2490] softirqs last disabled at (19046): [] br_device_event+0x1d7/0x8f0 [ 31.800320][ T2490] Preemption disabled at: [ 31.800321][ T2490] [<0000000000000000>] 0x0 [ 31.800328][ T2490] CPU: 2 UID: 0 PID: 2490 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.800331][ T2490] Tainted: [W]=WARN [ 31.800332][ T2490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.800334][ T2490] Call Trace: [ 31.800335][ T2490] [ 31.800337][ T2490] dump_stack_lvl+0x6f/0xa0 [ 31.800343][ T2490] __might_resched.cold+0x1fe/0x2c1 [ 31.800348][ T2490] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.800352][ T2490] ? __kmalloc_noprof+0xdb/0x760 [ 31.800356][ T2490] __kmalloc_noprof+0x443/0x760 [ 31.800358][ T2490] ? alloc_buf.isra.0+0x4b/0x260 [ 31.800364][ T2490] ? do_raw_spin_unlock+0x59/0x250 [ 31.800367][ T2490] alloc_buf.isra.0+0x4b/0x260 [ 31.800371][ T2490] put_chars+0x1e1/0x2f0 [ 31.800373][ T2490] ? __send_to_port+0x420/0x420 [ 31.800380][ T2490] hvc_console_print+0x292/0x780 [ 31.800387][ T2490] ? hvc_write+0x3a0/0x3a0 [ 31.800390][ T2490] ? lock_acquire+0x13c/0x160 [ 31.800395][ T2490] console_emit_next_record+0x22f/0x4c0 [ 31.800398][ T2490] ? devkmsg_read+0x4b0/0x4b0 [ 31.800400][ T2490] ? console_flush_one_record+0x106/0x710 [ 31.800403][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800406][ T2490] ? lock_acquire+0x13c/0x160 [ 31.800410][ T2490] console_flush_one_record+0x46f/0x710 [ 31.800417][ T2490] ? console_emit_next_record+0x4c0/0x4c0 [ 31.800419][ T2490] ? __lock_acquire+0x518/0xc20 [ 31.800426][ T2490] console_unlock+0xee/0x1f0 [ 31.800429][ T2490] ? console_flush_one_record+0x710/0x710 [ 31.800431][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800433][ T2490] ? lock_acquire+0xe0/0x160 [ 31.800438][ T2490] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.800440][ T2490] ? vprintk_emit+0x320/0x3e0 [ 31.800443][ T2490] vprintk_emit+0x37c/0x3e0 [ 31.800447][ T2490] ? wake_up_klogd_work_func+0x90/0x90 [ 31.800448][ T2490] ? mark_held_locks+0x40/0x70 [ 31.800451][ T2490] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.800453][ T2490] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.800457][ T2490] _printk+0xc7/0x100 [ 31.800461][ T2490] ? snapshot_read.cold+0x21/0x21 [ 31.800469][ T2490] br_set_state+0x22f/0x430 [ 31.800474][ T2490] br_stp_disable_port+0x11f/0x390 [ 31.800477][ T2490] br_device_event+0x7b5/0x8f0 [ 31.800479][ T2490] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 31.800483][ T2490] ? packet_sendmsg_spkt+0x1360/0x1360 [ 31.800489][ T2490] notifier_call_chain+0xae/0x300 [ 31.800495][ T2490] __dev_notify_flags+0x23c/0x450 [ 31.800499][ T2490] ? netif_change_name+0x8c0/0x8c0 [ 31.800503][ T2490] ? netif_set_allmulti+0x2c0/0x2c0 [ 31.800506][ T2490] ? __kernel_text_address+0x12/0x30 [ 31.800509][ T2490] ? write_profile+0xf0/0xf0 [ 31.800514][ T2490] netif_change_flags+0xfe/0x190 [ 31.800518][ T2490] do_setlink.isra.0+0x1d25/0x2a60 [ 31.800521][ T2490] ? stack_trace_save+0x93/0xc0 [ 31.800523][ T2490] ? rtnl_link_get_size+0x350/0x350 [ 31.800524][ T2490] ? rcu_read_lock_any_held+0x66/0x90 [ 31.800526][ T2490] ? stack_depot_save_flags+0x38e/0x790 [ 31.800530][ T2490] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.800532][ T2490] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.800533][ T2490] ? validate_chain+0x38b/0xc20 [ 31.800536][ T2490] ? kasan_save_stack+0x3d/0x50 [ 31.800538][ T2490] ? kasan_save_stack+0x2f/0x50 [ 31.800539][ T2490] ? kasan_save_track+0x14/0x30 [ 31.800541][ T2490] ? __kasan_kmalloc+0x7b/0x90 [ 31.800543][ T2490] ? __lock_acquire+0x518/0xc20 [ 31.800545][ T2490] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 31.800548][ T2490] ? ___sys_sendmsg+0xd0/0x1d0 [ 31.800552][ T2490] ? lock_acquire.part.0+0xd4/0x280 [ 31.800553][ T2490] ? rtnl_newlink+0x9a8/0x11b0 [ 31.800556][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800558][ T2490] ? lock_acquire+0x13c/0x160 [ 31.800559][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800560][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800562][ T2490] ? trace_contention_end+0xb3/0x180 [ 31.800564][ T2490] ? __mutex_lock+0x1db/0x1ea0 [ 31.800566][ T2490] ? __mutex_lock+0x9a3/0x1ea0 [ 31.800567][ T2490] ? rtnl_newlink+0x9a8/0x11b0 [ 31.800571][ T2490] ? ww_mutex_lock+0x160/0x160 [ 31.800574][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800576][ T2490] ? __rtnl_newlink+0x3fa/0xa50 [ 31.800582][ T2490] rtnl_newlink+0x9f1/0x11b0 [ 31.800587][ T2490] ? rtnl_bridge_getlink+0x850/0x850 [ 31.800589][ T2490] ? __lock_acquire+0x518/0xc20 [ 31.800593][ T2490] ? lock_acquire.part.0+0xd4/0x280 [ 31.800595][ T2490] ? find_held_lock+0x2b/0x80 [ 31.800597][ T2490] ? rtnl_bridge_getlink+0x850/0x850 [ 31.800599][ T2490] ? __lock_release.isra.0+0x69/0x1a0 [ 31.800603][ T2490] ? rtnl_bridge_getlink+0x850/0x850 [ 31.800605][ T2490] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 31.800608][ T2490] ? rtnl_link_fill+0x920/0x920 [ 31.800609][ T2490] ? __lock_acquire+0x518/0xc20 [ 31.800614][ T2490] ? lock_acquire.part.0+0xd4/0x280 [ 31.800616][ T2490] ? find_held_lock+0x2b/0x80 [ 31.800619][ T2490] netlink_rcv_skb+0x14e/0x3a0 [ 31.800622][ T2490] ? rtnl_link_fill+0x920/0x920 [ 31.800625][ T2490] ? netlink_ack+0xcf0/0xcf0 [ 31.800631][ T2490] ? netlink_deliver_tap+0xc5/0x330 [ 31.800633][ T2490] ? netlink_deliver_tap+0x13c/0x330 [ 31.800638][ T2490] netlink_unicast+0x486/0x750 [ 31.800642][ T2490] ? netlink_attachskb+0x810/0x810 [ 31.800644][ T2490] ? find_held_lock+0x2b/0x80 [ 31.800652][ T2490] netlink_sendmsg+0x75b/0xc90 [ 31.800657][ T2490] ? netlink_unicast+0x750/0x750 [ 31.800660][ T2490] ? __lock_release.isra.0+0x69/0x1a0 [ 31.800662][ T2490] ? __import_iovec+0x36c/0x620 [ 31.800667][ T2490] __sock_sendmsg+0xce/0x190 [ 31.800670][ T2490] ____sys_sendmsg+0x61a/0x860 [ 31.800672][ T2490] ? copy_msghdr_from_user+0x279/0x420 [ 31.800675][ T2490] ? sock_write_iter+0x400/0x400 [ 31.800676][ T2490] ? move_addr_to_kernel+0x40/0x40 [ 31.800684][ T2490] ___sys_sendmsg+0x14e/0x1d0 [ 31.800686][ T2490] ? copy_msghdr_from_user+0x420/0x420 [ 31.800702][ T2490] __sys_sendmsg+0x12c/0x1d0 [ 31.800705][ T2490] ? __sys_sendmsg_sock+0x20/0x20 [ 31.800711][ T2490] ? rcu_is_watching+0x16/0xd0 [ 31.800714][ T2490] do_syscall_64+0xff/0x530 [ 31.800717][ T2490] ? exc_page_fault+0xee/0x100 [ 31.800720][ T2490] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.800722][ T2490] RIP: 0033:0x7f5a8635554e [ 31.800724][ T2490] 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 [ 31.800726][ T2490] RSP: 002b:00007fff626e4b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.800729][ T2490] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5a8635554e [ 31.800730][ T2490] RDX: 0000000000000000 RSI: 00007fff626e4bb0 RDI: 0000000000000005 [ 31.800731][ T2490] RBP: 00007fff626e4b10 R08: 0000000000000000 R09: 0000000000000000 [ 31.800732][ T2490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4af [ 31.800732][ T2490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff626e5270 [ 31.800739][ T2490] [ 32.381878][ T39] br: port 1(d1) entered blocking state [ 32.382138][ T39] br: port 1(d1) entered forwarding state [ 32.458474][ T2549] br: port 2(d2) entered disabled state [ 32.995147][ T2600] br: port 2(d2) entered blocking state [ 32.995167][ T2600] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.995169][ T2600] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2600, name: ip [ 32.995170][ T2600] preempt_count: 202, expected: 0 [ 32.995171][ T2600] RCU nest depth: 0, expected: 0 [ 32.995172][ T2600] locks held by ip/2600: 6, last CPU#3: [ 32.995174][ T2600] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 32.995187][ T2600] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 32.995192][ T2600] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.995197][ T2600] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.995202][ T2600] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.995205][ T2600] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.995209][ T2600] irq event stamp: 27805 [ 32.995210][ T2600] hardirqs last enabled at (27804): [] __down_trylock_console_sem+0x86/0xa0 [ 32.995213][ T2600] hardirqs last disabled at (27805): [] console_emit_next_record+0x3d4/0x4c0 [ 32.995215][ T2600] softirqs last enabled at (27766): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 32.995217][ T2600] softirqs last disabled at (27800): [] br_device_event+0x5fd/0x8f0 [ 32.995219][ T2600] Preemption disabled at: [ 32.995220][ T2600] [<0000000000000000>] 0x0 [ 32.995226][ T2600] CPU: 3 UID: 0 PID: 2600 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.995230][ T2600] Tainted: [W]=WARN [ 32.995230][ T2600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.995232][ T2600] Call Trace: [ 32.995234][ T2600] [ 32.995235][ T2600] dump_stack_lvl+0x6f/0xa0 [ 32.995242][ T2600] __might_resched.cold+0x1fe/0x2c1 [ 32.995247][ T2600] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.995251][ T2600] ? __kmalloc_noprof+0xdb/0x760 [ 32.995256][ T2600] __kmalloc_noprof+0x443/0x760 [ 32.995257][ T2600] ? alloc_buf.isra.0+0x4b/0x260 [ 32.995264][ T2600] ? do_raw_spin_unlock+0x59/0x250 [ 32.995266][ T2600] alloc_buf.isra.0+0x4b/0x260 [ 32.995269][ T2600] put_chars+0x1e1/0x2f0 [ 32.995272][ T2600] ? __send_to_port+0x420/0x420 [ 32.995273][ T2600] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.995277][ T2600] ? validate_chain+0x38b/0xc20 [ 32.995282][ T2600] hvc_console_print+0x292/0x780 [ 32.995290][ T2600] ? hvc_write+0x3a0/0x3a0 [ 32.995292][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995294][ T2600] ? lock_acquire+0x13c/0x160 [ 32.995298][ T2600] console_emit_next_record+0x22f/0x4c0 [ 32.995302][ T2600] ? devkmsg_read+0x4b0/0x4b0 [ 32.995304][ T2600] ? console_flush_one_record+0x106/0x710 [ 32.995307][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995308][ T2600] ? lock_acquire+0x13c/0x160 [ 32.995312][ T2600] console_flush_one_record+0x46f/0x710 [ 32.995316][ T2600] ? console_emit_next_record+0x4c0/0x4c0 [ 32.995318][ T2600] ? __lock_acquire+0x518/0xc20 [ 32.995324][ T2600] console_unlock+0xee/0x1f0 [ 32.995327][ T2600] ? console_flush_one_record+0x710/0x710 [ 32.995328][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995330][ T2600] ? lock_acquire+0xe0/0x160 [ 32.995334][ T2600] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.995335][ T2600] ? vprintk_emit+0x320/0x3e0 [ 32.995338][ T2600] vprintk_emit+0x37c/0x3e0 [ 32.995341][ T2600] ? wake_up_klogd_work_func+0x90/0x90 [ 32.995343][ T2600] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.995345][ T2600] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.995350][ T2600] _printk+0xc7/0x100 [ 32.995353][ T2600] ? snapshot_read.cold+0x21/0x21 [ 32.995358][ T2600] ? lock_acquire.part.0+0xd4/0x280 [ 32.995362][ T2600] br_set_state+0x22f/0x430 [ 32.995367][ T2600] br_init_port+0xc4/0x200 [ 32.995369][ T2600] br_stp_enable_port+0x12/0x50 [ 32.995371][ T2600] br_device_event+0x605/0x8f0 [ 32.995374][ T2600] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.995375][ T2600] ? nlmsg_notify+0x62/0x250 [ 32.995382][ T2600] notifier_call_chain+0xae/0x300 [ 32.995387][ T2600] __dev_notify_flags+0x1b7/0x450 [ 32.995392][ T2600] ? netif_change_name+0x8c0/0x8c0 [ 32.995396][ T2600] ? netif_set_allmulti+0x2c0/0x2c0 [ 32.995399][ T2600] ? kernel_text_address+0x149/0x170 [ 32.995402][ T2600] ? __kernel_text_address+0x12/0x30 [ 32.995403][ T2600] ? write_profile+0xf0/0xf0 [ 32.995408][ T2600] netif_change_flags+0xfe/0x190 [ 32.995412][ T2600] do_setlink.isra.0+0x1d25/0x2a60 [ 32.995417][ T2600] ? stack_trace_save+0x93/0xc0 [ 32.995420][ T2600] ? rtnl_link_get_size+0x350/0x350 [ 32.995421][ T2600] ? rcu_read_lock_any_held+0x66/0x90 [ 32.995423][ T2600] ? stack_depot_save_flags+0x38e/0x790 [ 32.995426][ T2600] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.995428][ T2600] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.995430][ T2600] ? validate_chain+0x38b/0xc20 [ 32.995432][ T2600] ? kasan_save_stack+0x3d/0x50 [ 32.995434][ T2600] ? kasan_save_stack+0x2f/0x50 [ 32.995435][ T2600] ? kasan_save_track+0x14/0x30 [ 32.995437][ T2600] ? __kasan_kmalloc+0x7b/0x90 [ 32.995439][ T2600] ? __lock_acquire+0x518/0xc20 [ 32.995441][ T2600] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 32.995444][ T2600] ? ___sys_sendmsg+0xd0/0x1d0 [ 32.995447][ T2600] ? lock_acquire.part.0+0xd4/0x280 [ 32.995449][ T2600] ? rtnl_newlink+0x9a8/0x11b0 [ 32.995452][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995454][ T2600] ? lock_acquire+0x13c/0x160 [ 32.995455][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995456][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995458][ T2600] ? trace_contention_end+0xb3/0x180 [ 32.995460][ T2600] ? __mutex_lock+0x1db/0x1ea0 [ 32.995463][ T2600] ? __mutex_lock+0x9a3/0x1ea0 [ 32.995464][ T2600] ? rtnl_newlink+0x9a8/0x11b0 [ 32.995468][ T2600] ? ww_mutex_lock+0x160/0x160 [ 32.995471][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995473][ T2600] ? __rtnl_newlink+0x3fa/0xa50 [ 32.995478][ T2600] rtnl_newlink+0x9f1/0x11b0 [ 32.995484][ T2600] ? rtnl_bridge_getlink+0x850/0x850 [ 32.995486][ T2600] ? __lock_acquire+0x518/0xc20 [ 32.995490][ T2600] ? lock_acquire.part.0+0xd4/0x280 [ 32.995492][ T2600] ? find_held_lock+0x2b/0x80 [ 32.995494][ T2600] ? rtnl_bridge_getlink+0x850/0x850 [ 32.995496][ T2600] ? __lock_release.isra.0+0x69/0x1a0 [ 32.995499][ T2600] ? rtnl_bridge_getlink+0x850/0x850 [ 32.995501][ T2600] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.995504][ T2600] ? rtnl_link_fill+0x920/0x920 [ 32.995506][ T2600] ? __lock_acquire+0x518/0xc20 [ 32.995510][ T2600] ? lock_acquire.part.0+0xd4/0x280 [ 32.995512][ T2600] ? find_held_lock+0x2b/0x80 [ 32.995516][ T2600] netlink_rcv_skb+0x14e/0x3a0 [ 32.995517][ T2600] ? rtnl_link_fill+0x920/0x920 [ 32.995520][ T2600] ? netlink_ack+0xcf0/0xcf0 [ 32.995527][ T2600] ? netlink_deliver_tap+0xc5/0x330 [ 32.995529][ T2600] ? netlink_deliver_tap+0x13c/0x330 [ 32.995533][ T2600] netlink_unicast+0x486/0x750 [ 32.995537][ T2600] ? netlink_attachskb+0x810/0x810 [ 32.995540][ T2600] ? find_held_lock+0x2b/0x80 [ 32.995544][ T2600] netlink_sendmsg+0x75b/0xc90 [ 32.995548][ T2600] ? netlink_unicast+0x750/0x750 [ 32.995552][ T2600] ? __lock_release.isra.0+0x69/0x1a0 [ 32.995553][ T2600] ? __import_iovec+0x36c/0x620 [ 32.995558][ T2600] __sock_sendmsg+0xce/0x190 [ 32.995561][ T2600] ____sys_sendmsg+0x61a/0x860 [ 32.995563][ T2600] ? copy_msghdr_from_user+0x279/0x420 [ 32.995565][ T2600] ? sock_write_iter+0x400/0x400 [ 32.995567][ T2600] ? move_addr_to_kernel+0x40/0x40 [ 32.995574][ T2600] ___sys_sendmsg+0x14e/0x1d0 [ 32.995577][ T2600] ? copy_msghdr_from_user+0x420/0x420 [ 32.995593][ T2600] __sys_sendmsg+0x12c/0x1d0 [ 32.995596][ T2600] ? __sys_sendmsg_sock+0x20/0x20 [ 32.995602][ T2600] ? rcu_is_watching+0x16/0xd0 [ 32.995605][ T2600] do_syscall_64+0xff/0x530 [ 32.995608][ T2600] ? exc_page_fault+0xee/0x100 [ 32.995611][ T2600] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.995613][ T2600] RIP: 0033:0x7ff97b3fd54e [ 32.995615][ T2600] 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 [ 32.995617][ T2600] RSP: 002b:00007ffd5c67ad00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.995620][ T2600] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff97b3fd54e [ 32.995621][ T2600] RDX: 0000000000000000 RSI: 00007ffd5c67adb0 RDI: 0000000000000005 [ 32.995622][ T2600] RBP: 00007ffd5c67ad10 R08: 0000000000000000 R09: 0000000000000000 [ 32.995623][ T2600] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4b0 [ 32.995623][ T2600] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5c67b470 [ 32.995630][ T2600] [ 33.033065][ T2600] br: port 2(d2) entered forwarding state [ 33.107105][ T2608] br: port 1(d1) entered disabled state [ 33.199170][ T2616] br: port 2(d2) entered disabled state [ 33.732455][ T38] br: port 2(d2) entered blocking state [ 33.732756][ T38] br: port 2(d2) entered forwarding state [ 33.764550][ T417] br: port 1(d1) entered blocking state [ 33.764820][ T417] br: port 1(d1) entered forwarding state [ 33.844915][ T2677] br: port 1(d1) entered disabled state [ 33.924800][ T2685] br: port 2(d2) entered disabled state [ 34.002368][ T2693] br: port 3(d3) entered disabled state [ 34.002384][ T2693] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.002386][ T2693] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2693, name: ip [ 34.002387][ T2693] preempt_count: 202, expected: 0 [ 34.002388][ T2693] RCU nest depth: 0, expected: 0 [ 34.002389][ T2693] locks held by ip/2693: 6, last CPU#0: [ 34.002391][ T2693] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 34.002404][ T2693] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 34.002409][ T2693] #2: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.002417][ T2693] #3: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.002422][ T2693] #4: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.002426][ T2693] #5: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.002430][ T2693] irq event stamp: 20929 [ 34.002431][ T2693] hardirqs last enabled at (20928): [] __down_trylock_console_sem+0x86/0xa0 [ 34.002434][ T2693] hardirqs last disabled at (20929): [] console_emit_next_record+0x3d4/0x4c0 [ 34.002436][ T2693] softirqs last enabled at (20912): [] ipv6_mc_down+0x134/0x2d0 [ 34.002439][ T2693] softirqs last disabled at (20924): [] br_device_event+0x1d7/0x8f0 [ 34.002442][ T2693] Preemption disabled at: [ 34.002442][ T2693] [<0000000000000000>] 0x0 [ 34.002449][ T2693] CPU: 0 UID: 0 PID: 2693 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.002452][ T2693] Tainted: [W]=WARN [ 34.002453][ T2693] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.002455][ T2693] Call Trace: [ 34.002456][ T2693] [ 34.002458][ T2693] dump_stack_lvl+0x6f/0xa0 [ 34.002465][ T2693] __might_resched.cold+0x1fe/0x2c1 [ 34.002469][ T2693] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.002474][ T2693] ? __kmalloc_noprof+0xdb/0x760 [ 34.002478][ T2693] __kmalloc_noprof+0x443/0x760 [ 34.002480][ T2693] ? alloc_buf.isra.0+0x4b/0x260 [ 34.002486][ T2693] ? do_raw_spin_unlock+0x59/0x250 [ 34.002489][ T2693] alloc_buf.isra.0+0x4b/0x260 [ 34.002493][ T2693] put_chars+0x1e1/0x2f0 [ 34.002495][ T2693] ? __send_to_port+0x420/0x420 [ 34.002501][ T2693] hvc_console_print+0x292/0x780 [ 34.002509][ T2693] ? hvc_write+0x3a0/0x3a0 [ 34.002512][ T2693] ? lock_acquire+0x13c/0x160 [ 34.002517][ T2693] console_emit_next_record+0x22f/0x4c0 [ 34.002521][ T2693] ? devkmsg_read+0x4b0/0x4b0 [ 34.002522][ T2693] ? console_flush_one_record+0x106/0x710 [ 34.002526][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002528][ T2693] ? lock_acquire+0x13c/0x160 [ 34.002532][ T2693] console_flush_one_record+0x46f/0x710 [ 34.002536][ T2693] ? console_emit_next_record+0x4c0/0x4c0 [ 34.002538][ T2693] ? __lock_acquire+0x518/0xc20 [ 34.002544][ T2693] console_unlock+0xee/0x1f0 [ 34.002546][ T2693] ? console_flush_one_record+0x710/0x710 [ 34.002548][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002550][ T2693] ? lock_acquire+0xe0/0x160 [ 34.002554][ T2693] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.002556][ T2693] ? vprintk_emit+0x320/0x3e0 [ 34.002558][ T2693] vprintk_emit+0x37c/0x3e0 [ 34.002561][ T2693] ? wake_up_klogd_work_func+0x90/0x90 [ 34.002563][ T2693] ? mark_held_locks+0x40/0x70 [ 34.002565][ T2693] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.002567][ T2693] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.002572][ T2693] _printk+0xc7/0x100 [ 34.002575][ T2693] ? snapshot_read.cold+0x21/0x21 [ 34.002583][ T2693] br_set_state+0x22f/0x430 [ 34.002588][ T2693] br_stp_disable_port+0x11f/0x390 [ 34.002591][ T2693] br_device_event+0x7b5/0x8f0 [ 34.002593][ T2693] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 34.002597][ T2693] ? packet_sendmsg_spkt+0x1360/0x1360 [ 34.002603][ T2693] notifier_call_chain+0xae/0x300 [ 34.002609][ T2693] __dev_notify_flags+0x23c/0x450 [ 34.002614][ T2693] ? netif_change_name+0x8c0/0x8c0 [ 34.002618][ T2693] ? netif_set_allmulti+0x2c0/0x2c0 [ 34.002621][ T2693] ? __kernel_text_address+0x12/0x30 [ 34.002623][ T2693] ? write_profile+0xf0/0xf0 [ 34.002628][ T2693] netif_change_flags+0xfe/0x190 [ 34.002632][ T2693] do_setlink.isra.0+0x1d25/0x2a60 [ 34.002635][ T2693] ? stack_trace_save+0x93/0xc0 [ 34.002637][ T2693] ? rtnl_link_get_size+0x350/0x350 [ 34.002639][ T2693] ? rcu_read_lock_any_held+0x66/0x90 [ 34.002641][ T2693] ? stack_depot_save_flags+0x38e/0x790 [ 34.002644][ T2693] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.002646][ T2693] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.002648][ T2693] ? validate_chain+0x38b/0xc20 [ 34.002650][ T2693] ? kasan_save_stack+0x3d/0x50 [ 34.002652][ T2693] ? kasan_save_stack+0x2f/0x50 [ 34.002654][ T2693] ? kasan_save_track+0x14/0x30 [ 34.002655][ T2693] ? __kasan_kmalloc+0x7b/0x90 [ 34.002657][ T2693] ? __lock_acquire+0x518/0xc20 [ 34.002659][ T2693] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 34.002667][ T2693] ? ___sys_sendmsg+0xd0/0x1d0 [ 34.002671][ T2693] ? lock_acquire.part.0+0xd4/0x280 [ 34.002673][ T2693] ? rtnl_newlink+0x9a8/0x11b0 [ 34.002675][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002677][ T2693] ? lock_acquire+0x13c/0x160 [ 34.002679][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002680][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002681][ T2693] ? trace_contention_end+0xb3/0x180 [ 34.002684][ T2693] ? __mutex_lock+0x1db/0x1ea0 [ 34.002685][ T2693] ? __mutex_lock+0x9a3/0x1ea0 [ 34.002687][ T2693] ? rtnl_newlink+0x9a8/0x11b0 [ 34.002690][ T2693] ? ww_mutex_lock+0x160/0x160 [ 34.002694][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002696][ T2693] ? __rtnl_newlink+0x3fa/0xa50 [ 34.002701][ T2693] rtnl_newlink+0x9f1/0x11b0 [ 34.002706][ T2693] ? rtnl_bridge_getlink+0x850/0x850 [ 34.002708][ T2693] ? __lock_acquire+0x518/0xc20 [ 34.002713][ T2693] ? lock_acquire.part.0+0xd4/0x280 [ 34.002715][ T2693] ? find_held_lock+0x2b/0x80 [ 34.002717][ T2693] ? rtnl_bridge_getlink+0x850/0x850 [ 34.002719][ T2693] ? __lock_release.isra.0+0x69/0x1a0 [ 34.002722][ T2693] ? rtnl_bridge_getlink+0x850/0x850 [ 34.002724][ T2693] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 34.002728][ T2693] ? rtnl_link_fill+0x920/0x920 [ 34.002729][ T2693] ? __lock_acquire+0x518/0xc20 [ 34.002733][ T2693] ? lock_acquire.part.0+0xd4/0x280 [ 34.002735][ T2693] ? find_held_lock+0x2b/0x80 [ 34.002739][ T2693] netlink_rcv_skb+0x14e/0x3a0 [ 34.002742][ T2693] ? rtnl_link_fill+0x920/0x920 [ 34.002745][ T2693] ? netlink_ack+0xcf0/0xcf0 [ 34.002751][ T2693] ? netlink_deliver_tap+0xc5/0x330 [ 34.002753][ T2693] ? netlink_deliver_tap+0x13c/0x330 [ 34.002757][ T2693] netlink_unicast+0x486/0x750 [ 34.002762][ T2693] ? netlink_attachskb+0x810/0x810 [ 34.002764][ T2693] ? find_held_lock+0x2b/0x80 [ 34.002768][ T2693] netlink_sendmsg+0x75b/0xc90 [ 34.002772][ T2693] ? netlink_unicast+0x750/0x750 [ 34.002776][ T2693] ? __lock_release.isra.0+0x69/0x1a0 [ 34.002778][ T2693] ? __import_iovec+0x36c/0x620 [ 34.002783][ T2693] __sock_sendmsg+0xce/0x190 [ 34.002786][ T2693] ____sys_sendmsg+0x61a/0x860 [ 34.002788][ T2693] ? copy_msghdr_from_user+0x279/0x420 [ 34.002790][ T2693] ? sock_write_iter+0x400/0x400 [ 34.002792][ T2693] ? move_addr_to_kernel+0x40/0x40 [ 34.002799][ T2693] ___sys_sendmsg+0x14e/0x1d0 [ 34.002802][ T2693] ? copy_msghdr_from_user+0x420/0x420 [ 34.002818][ T2693] __sys_sendmsg+0x12c/0x1d0 [ 34.002821][ T2693] ? __sys_sendmsg_sock+0x20/0x20 [ 34.002827][ T2693] ? rcu_is_watching+0x16/0xd0 [ 34.002830][ T2693] do_syscall_64+0xff/0x530 [ 34.002833][ T2693] ? exc_page_fault+0xee/0x100 [ 34.002836][ T2693] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.002838][ T2693] RIP: 0033:0x7fc87c05354e [ 34.002840][ T2693] 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 [ 34.002842][ T2693] RSP: 002b:00007ffeedfa2de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.002845][ T2693] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc87c05354e [ 34.002846][ T2693] RDX: 0000000000000000 RSI: 00007ffeedfa2e90 RDI: 0000000000000005 [ 34.002847][ T2693] RBP: 00007ffeedfa2df0 R08: 0000000000000000 R09: 0000000000000000 [ 34.002848][ T2693] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4b1 [ 34.002849][ T2693] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeedfa3550 [ 34.002855][ T2693] [ 34.579836][ T38] br: port 3(d3) entered blocking state [ 34.580077][ T38] br: port 3(d3) entered forwarding state [ 34.617804][ T39] br: port 2(d2) entered blocking state [ 34.618046][ T39] br: port 2(d2) entered forwarding state [ 34.645819][ T38] br: port 1(d1) entered blocking state [ 34.646052][ T38] br: port 1(d1) entered forwarding state [ 35.281192][ T2796] d3: left allmulticast mode [ 35.281214][ T2796] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.281216][ T2796] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2796, name: ip [ 35.281218][ T2796] preempt_count: 1, expected: 0 [ 35.281219][ T2796] RCU nest depth: 0, expected: 0 [ 35.281219][ T2796] locks held by ip/2796: 5, last CPU#0: [ 35.281222][ T2796] #0: ffffffff8991b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 35.281233][ T2796] #1: ffffffff8917ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 35.281239][ T2796] #2: ffffffff8917de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 35.281243][ T2796] #3: ffffffff8909d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 35.281247][ T2796] #4: ffffffff8909d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 35.281251][ T2796] irq event stamp: 12076 [ 35.281251][ T2796] hardirqs last enabled at (12075): [] __down_trylock_console_sem+0x86/0xa0 [ 35.281254][ T2796] hardirqs last disabled at (12076): [] console_emit_next_record+0x3d4/0x4c0 [ 35.281257][ T2796] softirqs last enabled at (12044): [] __alloc_skb+0x4c2/0x5f0 [ 35.281260][ T2796] softirqs last disabled at (12042): [] __alloc_skb+0x4c2/0x5f0 [ 35.281262][ T2796] Preemption disabled at: [ 35.281263][ T2796] [] vprintk_emit+0x31b/0x3e0 [ 35.281268][ T2796] CPU: 0 UID: 0 PID: 2796 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.281271][ T2796] Tainted: [W]=WARN [ 35.281272][ T2796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.281274][ T2796] Call Trace: [ 35.281276][ T2796] [ 35.281277][ T2796] dump_stack_lvl+0x6f/0xa0 [ 35.281283][ T2796] ? vprintk_emit+0x31b/0x3e0 [ 35.281285][ T2796] __might_resched.cold+0x1fe/0x2c1 [ 35.281290][ T2796] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.281294][ T2796] ? __kmalloc_noprof+0xdb/0x760 [ 35.281298][ T2796] __kmalloc_noprof+0x443/0x760 [ 35.281300][ T2796] ? alloc_buf.isra.0+0x4b/0x260 [ 35.281307][ T2796] ? do_raw_spin_unlock+0x59/0x250 [ 35.281309][ T2796] alloc_buf.isra.0+0x4b/0x260 [ 35.281313][ T2796] put_chars+0x1e1/0x2f0 [ 35.281315][ T2796] ? __send_to_port+0x420/0x420 [ 35.281318][ T2796] ? validate_chain+0x38b/0xc20 [ 35.281323][ T2796] hvc_console_print+0x292/0x780 [ 35.281331][ T2796] ? hvc_write+0x3a0/0x3a0 [ 35.281334][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281336][ T2796] ? lock_acquire+0x13c/0x160 [ 35.281340][ T2796] console_emit_next_record+0x22f/0x4c0 [ 35.281344][ T2796] ? devkmsg_read+0x4b0/0x4b0 [ 35.281346][ T2796] ? console_flush_one_record+0x106/0x710 [ 35.281349][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281351][ T2796] ? lock_acquire+0x13c/0x160 [ 35.281355][ T2796] console_flush_one_record+0x46f/0x710 [ 35.281359][ T2796] ? console_emit_next_record+0x4c0/0x4c0 [ 35.281361][ T2796] ? __lock_acquire+0x518/0xc20 [ 35.281366][ T2796] console_unlock+0xee/0x1f0 [ 35.281369][ T2796] ? console_flush_one_record+0x710/0x710 [ 35.281371][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281372][ T2796] ? lock_acquire+0xe0/0x160 [ 35.281376][ T2796] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.281378][ T2796] ? vprintk_emit+0x320/0x3e0 [ 35.281381][ T2796] vprintk_emit+0x37c/0x3e0 [ 35.281384][ T2796] ? wake_up_klogd_work_func+0x90/0x90 [ 35.281385][ T2796] ? rtnl_newlink+0x9f1/0x11b0 [ 35.281387][ T2796] ? netlink_rcv_skb+0x14e/0x3a0 [ 35.281390][ T2796] ? netlink_unicast+0x486/0x750 [ 35.281391][ T2796] ? netlink_sendmsg+0x75b/0xc90 [ 35.281393][ T2796] ? __sock_sendmsg+0xce/0x190 [ 35.281395][ T2796] ? ____sys_sendmsg+0x61a/0x860 [ 35.281397][ T2796] ? ___sys_sendmsg+0x14e/0x1d0 [ 35.281400][ T2796] _printk+0xc7/0x100 [ 35.281403][ T2796] ? snapshot_read.cold+0x21/0x21 [ 35.281408][ T2796] ? netdev_name+0x43/0x60 [ 35.281411][ T2796] ? __netdev_printk+0x17f/0x1d0 [ 35.281417][ T2796] netdev_info+0xe2/0x116 [ 35.281420][ T2796] ? netdev_notice+0x120/0x120 [ 35.281425][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281426][ T2796] ? __up_read+0x355/0x9e0 [ 35.281429][ T2796] ? down_write_nested+0x200/0x200 [ 35.281431][ T2796] ? mutex_is_locked+0x1c/0x50 [ 35.281433][ T2796] netif_set_allmulti.cold+0x7c/0x166 [ 35.281437][ T2796] dev_set_allmulti+0xa6/0x240 [ 35.281441][ T2796] del_nbp+0xb7/0xc10 [ 35.281447][ T2796] br_del_if+0xab/0x200 [ 35.281449][ T2796] ? rtnl_is_locked+0x15/0x20 [ 35.281452][ T2796] do_set_master+0x15c/0x780 [ 35.281456][ T2796] do_setlink.isra.0+0x9ec/0x2a60 [ 35.281459][ T2796] ? stack_trace_save+0x93/0xc0 [ 35.281462][ T2796] ? rtnl_link_get_size+0x350/0x350 [ 35.281464][ T2796] ? rcu_read_lock_any_held+0x66/0x90 [ 35.281466][ T2796] ? stack_depot_save_flags+0x38e/0x790 [ 35.281469][ T2796] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.281472][ T2796] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.281473][ T2796] ? validate_chain+0x38b/0xc20 [ 35.281476][ T2796] ? kasan_save_stack+0x3d/0x50 [ 35.281478][ T2796] ? kasan_save_stack+0x2f/0x50 [ 35.281479][ T2796] ? kasan_save_track+0x14/0x30 [ 35.281480][ T2796] ? __kasan_kmalloc+0x7b/0x90 [ 35.281483][ T2796] ? __lock_acquire+0x518/0xc20 [ 35.281485][ T2796] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 35.281487][ T2796] ? ___sys_sendmsg+0xd0/0x1d0 [ 35.281490][ T2796] ? lock_acquire.part.0+0xd4/0x280 [ 35.281492][ T2796] ? rtnl_newlink+0x9a8/0x11b0 [ 35.281494][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281496][ T2796] ? lock_acquire+0x13c/0x160 [ 35.281498][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281499][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281500][ T2796] ? trace_contention_end+0xb3/0x180 [ 35.281503][ T2796] ? __mutex_lock+0x1db/0x1ea0 [ 35.281505][ T2796] ? __mutex_lock+0x9a3/0x1ea0 [ 35.281507][ T2796] ? rtnl_newlink+0x9a8/0x11b0 [ 35.281510][ T2796] ? ww_mutex_lock+0x160/0x160 [ 35.281511][ T2796] ? nla_get_range_signed+0x3d0/0x3d0 [ 35.281516][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281518][ T2796] ? __rtnl_newlink+0x3fa/0xa50 [ 35.281523][ T2796] rtnl_newlink+0x9f1/0x11b0 [ 35.281528][ T2796] ? rtnl_bridge_getlink+0x850/0x850 [ 35.281530][ T2796] ? __lock_acquire+0x518/0xc20 [ 35.281535][ T2796] ? lock_acquire.part.0+0xd4/0x280 [ 35.281537][ T2796] ? find_held_lock+0x2b/0x80 [ 35.281539][ T2796] ? rtnl_bridge_getlink+0x850/0x850 [ 35.281540][ T2796] ? __lock_release.isra.0+0x69/0x1a0 [ 35.281544][ T2796] ? rtnl_bridge_getlink+0x850/0x850 [ 35.281546][ T2796] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 35.281549][ T2796] ? rtnl_link_fill+0x920/0x920 [ 35.281550][ T2796] ? __lock_acquire+0x518/0xc20 [ 35.281555][ T2796] ? lock_acquire.part.0+0xd4/0x280 [ 35.281557][ T2796] ? find_held_lock+0x2b/0x80 [ 35.281560][ T2796] netlink_rcv_skb+0x14e/0x3a0 [ 35.281562][ T2796] ? rtnl_link_fill+0x920/0x920 [ 35.281565][ T2796] ? netlink_ack+0xcf0/0xcf0 [ 35.281571][ T2796] ? netlink_deliver_tap+0xc5/0x330 [ 35.281573][ T2796] ? netlink_deliver_tap+0x13c/0x330 [ 35.281577][ T2796] netlink_unicast+0x486/0x750 [ 35.281581][ T2796] ? netlink_attachskb+0x810/0x810 [ 35.281584][ T2796] ? find_held_lock+0x2b/0x80 [ 35.281588][ T2796] netlink_sendmsg+0x75b/0xc90 [ 35.281592][ T2796] ? netlink_unicast+0x750/0x750 [ 35.281595][ T2796] ? __lock_release.isra.0+0x69/0x1a0 [ 35.281597][ T2796] ? __import_iovec+0x36c/0x620 [ 35.281602][ T2796] __sock_sendmsg+0xce/0x190 [ 35.281605][ T2796] ____sys_sendmsg+0x61a/0x860 [ 35.281607][ T2796] ? copy_msghdr_from_user+0x279/0x420 [ 35.281609][ T2796] ? sock_write_iter+0x400/0x400 [ 35.281611][ T2796] ? move_addr_to_kernel+0x40/0x40 [ 35.281618][ T2796] ___sys_sendmsg+0x14e/0x1d0 [ 35.281621][ T2796] ? copy_msghdr_from_user+0x420/0x420 [ 35.281636][ T2796] __sys_sendmsg+0x12c/0x1d0 [ 35.281639][ T2796] ? __sys_sendmsg_sock+0x20/0x20 [ 35.281645][ T2796] ? rcu_is_watching+0x16/0xd0 [ 35.281648][ T2796] do_syscall_64+0xff/0x530 [ 35.281651][ T2796] ? exc_page_fault+0xee/0x100 [ 35.281654][ T2796] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.281656][ T2796] RIP: 0033:0x7f8ececb054e [ 35.281660][ T2796] 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 [ 35.281662][ T2796] RSP: 002b:00007fff43117460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.281664][ T2796] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8ececb054e [ 35.281666][ T2796] RDX: 0000000000000000 RSI: 00007fff43117510 RDI: 0000000000000005 [ 35.281667][ T2796] RBP: 00007fff43117470 R08: 0000000000000000 R09: 0000000000000000 [ 35.281667][ T2796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f4b2 [ 35.281668][ T2796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff43117bd0 [ 35.281679][ T2796] [ 35.323224][ T2796] d3: left promiscuous mode [ 35.323695][ T2796] br: port 3(d3) entered disabled state [ 35.477112][ T2804] d2: left allmulticast mode [ 35.477432][ T2804] d2: left promiscuous mode [ 35.477811][ T2804] br: port 2(d2) entered disabled state [ 35.626948][ T2812] d1: left allmulticast mode [ 35.627249][ T2812] d1: left promiscuous mode [ 35.627631][ T2812] br: port 1(d1) entered disabled state