[ 9.346915][ T197] ip (197) used greatest stack depth: 23800 bytes left [ 9.346930][ T197] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.346932][ T197] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 197, name: ip [ 9.346933][ T197] preempt_count: 2, expected: 0 [ 9.346934][ T197] RCU nest depth: 0, expected: 0 [ 9.346935][ T197] locks held by ip/197: 5, last CPU#3: [ 9.346937][ T197] #0: ffffffffb5c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.346947][ T197] #1: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.346952][ T197] #2: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.346957][ T197] #3: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.346960][ T197] #4: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.346964][ T197] irq event stamp: 24566 [ 9.346965][ T197] hardirqs last enabled at (24565): [] __down_trylock_console_sem+0x86/0xa0 [ 9.346968][ T197] hardirqs last disabled at (24566): [] console_emit_next_record+0x3d4/0x4c0 [ 9.346970][ T197] softirqs last enabled at (23274): [] netlink_release+0x17b/0xcf0 [ 9.346974][ T197] softirqs last disabled at (23272): [] netlink_release+0xd2/0xcf0 [ 9.346976][ T197] Preemption disabled at: [ 9.346977][ T197] [<0000000000000000>] 0x0 [ 9.346983][ T197] CPU: 3 UID: 0 PID: 197 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.346986][ T197] Tainted: [W]=WARN [ 9.346987][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.346989][ T197] Call Trace: [ 9.346990][ T197] [ 9.346992][ T197] dump_stack_lvl+0x6f/0xa0 [ 9.346998][ T197] __might_resched.cold+0x1fe/0x2c1 [ 9.347003][ T197] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.347006][ T197] ? __kmalloc_noprof+0xdb/0x760 [ 9.347010][ T197] __kmalloc_noprof+0x443/0x760 [ 9.347013][ T197] ? alloc_buf.isra.0+0x4b/0x260 [ 9.347019][ T197] ? do_raw_spin_unlock+0x59/0x250 [ 9.347021][ T197] alloc_buf.isra.0+0x4b/0x260 [ 9.347025][ T197] put_chars+0x1e1/0x2f0 [ 9.347027][ T197] ? __send_to_port+0x420/0x420 [ 9.347028][ T197] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.347032][ T197] ? validate_chain+0x38b/0xc20 [ 9.347037][ T197] hvc_console_print+0x292/0x780 [ 9.347045][ T197] ? hvc_write+0x3a0/0x3a0 [ 9.347047][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.347049][ T197] ? lock_acquire+0x13c/0x160 [ 9.347053][ T197] console_emit_next_record+0x22f/0x4c0 [ 9.347057][ T197] ? devkmsg_read+0x4b0/0x4b0 [ 9.347059][ T197] ? console_flush_one_record+0x106/0x710 [ 9.347062][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.347064][ T197] ? lock_acquire+0x13c/0x160 [ 9.347068][ T197] console_flush_one_record+0x46f/0x710 [ 9.347072][ T197] ? console_emit_next_record+0x4c0/0x4c0 [ 9.347074][ T197] ? __lock_acquire+0x518/0xc20 [ 9.347079][ T197] console_unlock+0xee/0x1f0 [ 9.347082][ T197] ? console_flush_one_record+0x710/0x710 [ 9.347083][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.347085][ T197] ? lock_acquire+0xe0/0x160 [ 9.347089][ T197] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.347090][ T197] ? vprintk_emit+0x320/0x3e0 [ 9.347093][ T197] vprintk_emit+0x37c/0x3e0 [ 9.347096][ T197] ? wake_up_klogd_work_func+0x90/0x90 [ 9.347099][ T197] ? __lock_acquire+0x518/0xc20 [ 9.347102][ T197] _printk+0xc7/0x100 [ 9.347106][ T197] ? snapshot_read.cold+0x21/0x21 [ 9.347109][ T197] ? do_raw_spin_lock+0x131/0x280 [ 9.347112][ T197] ? __rwlock_init+0x150/0x150 [ 9.347115][ T197] ? do_raw_spin_lock+0x131/0x280 [ 9.347118][ T197] do_exit.cold+0x82/0x9c [ 9.347122][ T197] ? exit_notify+0x890/0x890 [ 9.347123][ T197] ? __lock_release.isra.0+0x69/0x1a0 [ 9.347126][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.347129][ T197] do_group_exit+0xb8/0x370 [ 9.347132][ T197] __x64_sys_exit_group+0x3c/0x50 [ 9.347133][ T197] x64_sys_call+0x1567/0x1570 [ 9.347136][ T197] do_syscall_64+0xff/0x530 [ 9.347140][ T197] ? exc_page_fault+0xee/0x100 [ 9.347142][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.347144][ T197] RIP: 0033:0x7f06cd6901b8 [ 9.347147][ T197] Code: Unable to access opcode bytes at 0x7f06cd69018e. [ 9.347148][ T197] RSP: 002b:00007fffd1bc6e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.347150][ T197] RAX: ffffffffffffffda RBX: 00007f06cd7c0f88 RCX: 00007f06cd6901b8 [ 9.347151][ T197] RDX: 00007f06cd3dafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.347152][ T197] RBP: 00007fffd1bc6e60 R08: 0000000000000000 R09: 0000000000008010 [ 9.347153][ T197] R10: 00007fffd1bc6c20 R11: 0000000000000246 R12: 0000000000000001 [ 9.347154][ T197] R13: 0000000000000000 R14: 00007f06cd7bf680 R15: 00007f06cd7c0fa0 [ 9.347160][ T197] [ 9.703060][ T227] br: port 1(d1) entered blocking state [ 9.703408][ T227] br: port 1(d1) entered disabled state [ 9.703714][ T227] d1: entered allmulticast mode [ 9.704789][ T227] d1: entered promiscuous mode [ 9.705669][ T227] br: port 1(d1) entered blocking state [ 9.705995][ T227] br: port 1(d1) entered forwarding state [ 10.028370][ T255] br: port 2(d2) entered blocking state [ 10.028609][ T255] br: port 2(d2) entered disabled state [ 10.028844][ T255] d2: entered allmulticast mode [ 10.029897][ T255] d2: entered promiscuous mode [ 10.030493][ T255] br: port 2(d2) entered blocking state [ 10.030707][ T255] br: port 2(d2) entered forwarding state [ 10.331442][ T283] br: port 3(d3) entered blocking state [ 10.331687][ T283] br: port 3(d3) entered disabled state [ 10.332437][ T283] d3: entered allmulticast mode [ 10.333435][ T283] d3: entered promiscuous mode [ 10.334137][ T283] br: port 3(d3) entered blocking state [ 10.334363][ T283] br: port 3(d3) entered forwarding state [ 11.217852][ T378] br: port 1(d1) entered disabled state [ 11.217870][ T378] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.217872][ T378] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 378, name: ip [ 11.217873][ T378] preempt_count: 202, expected: 0 [ 11.217874][ T378] RCU nest depth: 0, expected: 0 [ 11.217875][ T378] locks held by ip/378: 6, last CPU#2: [ 11.217877][ T378] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 11.217889][ T378] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 11.217895][ T378] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.217899][ T378] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.217903][ T378] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.217907][ T378] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.217911][ T378] irq event stamp: 16017 [ 11.217912][ T378] hardirqs last enabled at (16016): [] __down_trylock_console_sem+0x86/0xa0 [ 11.217915][ T378] hardirqs last disabled at (16017): [] console_emit_next_record+0x3d4/0x4c0 [ 11.217917][ T378] softirqs last enabled at (16000): [] ipv6_mc_down+0x134/0x2d0 [ 11.217920][ T378] softirqs last disabled at (16012): [] br_device_event+0x1d7/0x8f0 [ 11.217922][ T378] Preemption disabled at: [ 11.217922][ T378] [<0000000000000000>] 0x0 [ 11.217929][ T378] CPU: 2 UID: 0 PID: 378 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.217932][ T378] Tainted: [W]=WARN [ 11.217933][ T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.217935][ T378] Call Trace: [ 11.217936][ T378] [ 11.217938][ T378] dump_stack_lvl+0x6f/0xa0 [ 11.217944][ T378] __might_resched.cold+0x1fe/0x2c1 [ 11.217949][ T378] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.217953][ T378] ? __kmalloc_noprof+0xdb/0x760 [ 11.217957][ T378] __kmalloc_noprof+0x443/0x760 [ 11.217959][ T378] ? alloc_buf.isra.0+0x4b/0x260 [ 11.217966][ T378] ? do_raw_spin_unlock+0x59/0x250 [ 11.217969][ T378] alloc_buf.isra.0+0x4b/0x260 [ 11.217972][ T378] put_chars+0x1e1/0x2f0 [ 11.217975][ T378] ? __send_to_port+0x420/0x420 [ 11.217981][ T378] hvc_console_print+0x292/0x780 [ 11.217989][ T378] ? hvc_write+0x3a0/0x3a0 [ 11.217992][ T378] ? lock_acquire+0x13c/0x160 [ 11.217996][ T378] console_emit_next_record+0x22f/0x4c0 [ 11.218000][ T378] ? devkmsg_read+0x4b0/0x4b0 [ 11.218002][ T378] ? console_flush_one_record+0x106/0x710 [ 11.218005][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218008][ T378] ? lock_acquire+0x13c/0x160 [ 11.218012][ T378] console_flush_one_record+0x46f/0x710 [ 11.218016][ T378] ? console_emit_next_record+0x4c0/0x4c0 [ 11.218018][ T378] ? __lock_acquire+0x518/0xc20 [ 11.218023][ T378] console_unlock+0xee/0x1f0 [ 11.218026][ T378] ? console_flush_one_record+0x710/0x710 [ 11.218028][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218030][ T378] ? lock_acquire+0xe0/0x160 [ 11.218033][ T378] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.218035][ T378] ? vprintk_emit+0x320/0x3e0 [ 11.218038][ T378] vprintk_emit+0x37c/0x3e0 [ 11.218041][ T378] ? wake_up_klogd_work_func+0x90/0x90 [ 11.218042][ T378] ? mark_held_locks+0x40/0x70 [ 11.218044][ T378] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.218046][ T378] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.218051][ T378] _printk+0xc7/0x100 [ 11.218055][ T378] ? snapshot_read.cold+0x21/0x21 [ 11.218062][ T378] br_set_state+0x22f/0x430 [ 11.218067][ T378] br_stp_disable_port+0x11f/0x390 [ 11.218070][ T378] br_device_event+0x7b5/0x8f0 [ 11.218073][ T378] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.218076][ T378] ? packet_sendmsg_spkt+0x1360/0x1360 [ 11.218082][ T378] notifier_call_chain+0xae/0x300 [ 11.218087][ T378] __dev_notify_flags+0x23c/0x450 [ 11.218092][ T378] ? netif_change_name+0x8c0/0x8c0 [ 11.218096][ T378] ? netif_set_allmulti+0x2c0/0x2c0 [ 11.218099][ T378] ? __kernel_text_address+0x12/0x30 [ 11.218102][ T378] ? write_profile+0xf0/0xf0 [ 11.218107][ T378] netif_change_flags+0xfe/0x190 [ 11.218111][ T378] do_setlink.isra.0+0x1d25/0x2a60 [ 11.218114][ T378] ? stack_trace_save+0x93/0xc0 [ 11.218116][ T378] ? rtnl_link_get_size+0x350/0x350 [ 11.218117][ T378] ? rcu_read_lock_any_held+0x66/0x90 [ 11.218119][ T378] ? stack_depot_save_flags+0x38e/0x790 [ 11.218123][ T378] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.218125][ T378] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.218126][ T378] ? validate_chain+0x38b/0xc20 [ 11.218129][ T378] ? kasan_save_stack+0x3d/0x50 [ 11.218131][ T378] ? kasan_save_stack+0x2f/0x50 [ 11.218132][ T378] ? kasan_save_track+0x14/0x30 [ 11.218133][ T378] ? __kasan_kmalloc+0x7b/0x90 [ 11.218136][ T378] ? __lock_acquire+0x518/0xc20 [ 11.218137][ T378] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 11.218140][ T378] ? ___sys_sendmsg+0xd0/0x1d0 [ 11.218144][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 11.218146][ T378] ? rtnl_newlink+0x9a8/0x11b0 [ 11.218149][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218150][ T378] ? lock_acquire+0x13c/0x160 [ 11.218152][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218153][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218155][ T378] ? trace_contention_end+0xb3/0x180 [ 11.218157][ T378] ? __mutex_lock+0x1db/0x1ea0 [ 11.218158][ T378] ? __mutex_lock+0x9a3/0x1ea0 [ 11.218160][ T378] ? rtnl_newlink+0x9a8/0x11b0 [ 11.218163][ T378] ? ww_mutex_lock+0x160/0x160 [ 11.218167][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218169][ T378] ? __rtnl_newlink+0x3fa/0xa50 [ 11.218174][ T378] rtnl_newlink+0x9f1/0x11b0 [ 11.218179][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 11.218181][ T378] ? __lock_acquire+0x518/0xc20 [ 11.218186][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 11.218188][ T378] ? find_held_lock+0x2b/0x80 [ 11.218190][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 11.218192][ T378] ? __lock_release.isra.0+0x69/0x1a0 [ 11.218195][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 11.218197][ T378] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.218200][ T378] ? rtnl_link_fill+0x920/0x920 [ 11.218202][ T378] ? __lock_acquire+0x518/0xc20 [ 11.218206][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 11.218208][ T378] ? find_held_lock+0x2b/0x80 [ 11.218212][ T378] netlink_rcv_skb+0x14e/0x3a0 [ 11.218215][ T378] ? rtnl_link_fill+0x920/0x920 [ 11.218218][ T378] ? netlink_ack+0xcf0/0xcf0 [ 11.218224][ T378] ? netlink_deliver_tap+0xc5/0x330 [ 11.218226][ T378] ? netlink_deliver_tap+0x13c/0x330 [ 11.218230][ T378] netlink_unicast+0x486/0x750 [ 11.218234][ T378] ? netlink_attachskb+0x810/0x810 [ 11.218237][ T378] ? find_held_lock+0x2b/0x80 [ 11.218241][ T378] netlink_sendmsg+0x75b/0xc90 [ 11.218245][ T378] ? netlink_unicast+0x750/0x750 [ 11.218249][ T378] ? __lock_release.isra.0+0x69/0x1a0 [ 11.218250][ T378] ? __import_iovec+0x36c/0x620 [ 11.218256][ T378] __sock_sendmsg+0xce/0x190 [ 11.218259][ T378] ____sys_sendmsg+0x61a/0x860 [ 11.218261][ T378] ? copy_msghdr_from_user+0x279/0x420 [ 11.218263][ T378] ? sock_write_iter+0x400/0x400 [ 11.218264][ T378] ? move_addr_to_kernel+0x40/0x40 [ 11.218272][ T378] ___sys_sendmsg+0x14e/0x1d0 [ 11.218274][ T378] ? copy_msghdr_from_user+0x420/0x420 [ 11.218290][ T378] __sys_sendmsg+0x12c/0x1d0 [ 11.218293][ T378] ? __sys_sendmsg_sock+0x20/0x20 [ 11.218299][ T378] ? rcu_is_watching+0x16/0xd0 [ 11.218302][ T378] do_syscall_64+0xff/0x530 [ 11.218305][ T378] ? exc_page_fault+0xee/0x100 [ 11.218308][ T378] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.218310][ T378] RIP: 0033:0x7f565358854e [ 11.218312][ 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 [ 11.218314][ T378] RSP: 002b:00007ffe6b342f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.218316][ T378] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f565358854e [ 11.218317][ T378] RDX: 0000000000000000 RSI: 00007ffe6b342fc0 RDI: 0000000000000005 [ 11.218318][ T378] RBP: 00007ffe6b342f20 R08: 0000000000000000 R09: 0000000000000000 [ 11.218319][ T378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917001 [ 11.218320][ T378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6b343680 [ 11.218326][ T378] [ 11.272090][ T378] ip (378) used greatest stack depth: 23016 bytes left [ 11.583004][ T36] br: port 1(d1) entered blocking state [ 11.583396][ T36] br: port 1(d1) entered forwarding state [ 11.658542][ T424] br: port 2(d2) entered disabled state [ 11.962582][ T462] br: port 2(d2) entered blocking state [ 11.962916][ T462] br: port 2(d2) entered forwarding state [ 12.045392][ T470] br: port 1(d1) entered disabled state [ 12.115759][ T478] br: port 2(d2) entered disabled state [ 12.434400][ T516] br: port 2(d2) entered blocking state [ 12.434420][ T516] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.434422][ T516] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 516, name: ip [ 12.434424][ T516] preempt_count: 202, expected: 0 [ 12.434424][ T516] RCU nest depth: 0, expected: 0 [ 12.434425][ T516] locks held by ip/516: 6, last CPU#2: [ 12.434427][ T516] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.434439][ T516] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 12.434445][ T516] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.434450][ T516] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.434454][ T516] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.434457][ T516] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.434461][ T516] irq event stamp: 21019 [ 12.434462][ T516] hardirqs last enabled at (21018): [] __down_trylock_console_sem+0x86/0xa0 [ 12.434466][ T516] hardirqs last disabled at (21019): [] console_emit_next_record+0x3d4/0x4c0 [ 12.434468][ T516] softirqs last enabled at (20980): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 12.434470][ T516] softirqs last disabled at (21014): [] br_device_event+0x5fd/0x8f0 [ 12.434472][ T516] Preemption disabled at: [ 12.434473][ T516] [<0000000000000000>] 0x0 [ 12.434479][ T516] CPU: 2 UID: 0 PID: 516 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.434483][ T516] Tainted: [W]=WARN [ 12.434484][ T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.434486][ T516] Call Trace: [ 12.434487][ T516] [ 12.434489][ T516] dump_stack_lvl+0x6f/0xa0 [ 12.434495][ T516] __might_resched.cold+0x1fe/0x2c1 [ 12.434499][ T516] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.434503][ T516] ? __kmalloc_noprof+0xdb/0x760 [ 12.434508][ T516] __kmalloc_noprof+0x443/0x760 [ 12.434509][ T516] ? alloc_buf.isra.0+0x4b/0x260 [ 12.434516][ T516] ? do_raw_spin_unlock+0x59/0x250 [ 12.434518][ T516] alloc_buf.isra.0+0x4b/0x260 [ 12.434522][ T516] put_chars+0x1e1/0x2f0 [ 12.434525][ T516] ? __send_to_port+0x420/0x420 [ 12.434526][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.434529][ T516] ? validate_chain+0x38b/0xc20 [ 12.434535][ T516] hvc_console_print+0x292/0x780 [ 12.434543][ T516] ? hvc_write+0x3a0/0x3a0 [ 12.434545][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434547][ T516] ? lock_acquire+0x13c/0x160 [ 12.434551][ T516] console_emit_next_record+0x22f/0x4c0 [ 12.434555][ T516] ? devkmsg_read+0x4b0/0x4b0 [ 12.434557][ T516] ? console_flush_one_record+0x106/0x710 [ 12.434560][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434562][ T516] ? lock_acquire+0x13c/0x160 [ 12.434566][ T516] console_flush_one_record+0x46f/0x710 [ 12.434570][ T516] ? console_emit_next_record+0x4c0/0x4c0 [ 12.434572][ T516] ? __lock_acquire+0x518/0xc20 [ 12.434577][ T516] console_unlock+0xee/0x1f0 [ 12.434580][ T516] ? console_flush_one_record+0x710/0x710 [ 12.434582][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434584][ T516] ? lock_acquire+0xe0/0x160 [ 12.434587][ T516] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.434589][ T516] ? vprintk_emit+0x320/0x3e0 [ 12.434592][ T516] vprintk_emit+0x37c/0x3e0 [ 12.434595][ T516] ? wake_up_klogd_work_func+0x90/0x90 [ 12.434597][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.434599][ T516] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.434603][ T516] _printk+0xc7/0x100 [ 12.434607][ T516] ? snapshot_read.cold+0x21/0x21 [ 12.434612][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.434616][ T516] br_set_state+0x22f/0x430 [ 12.434621][ T516] br_init_port+0xc4/0x200 [ 12.434623][ T516] br_stp_enable_port+0x12/0x50 [ 12.434625][ T516] br_device_event+0x605/0x8f0 [ 12.434628][ T516] ? packet_sendmsg_spkt+0x1360/0x1360 [ 12.434630][ T516] ? nlmsg_notify+0x62/0x250 [ 12.434636][ T516] notifier_call_chain+0xae/0x300 [ 12.434642][ T516] __dev_notify_flags+0x1b7/0x450 [ 12.434647][ T516] ? netif_change_name+0x8c0/0x8c0 [ 12.434651][ T516] ? netif_set_allmulti+0x2c0/0x2c0 [ 12.434653][ T516] ? kernel_text_address+0x149/0x170 [ 12.434656][ T516] ? __kernel_text_address+0x12/0x30 [ 12.434658][ T516] ? write_profile+0xf0/0xf0 [ 12.434663][ T516] netif_change_flags+0xfe/0x190 [ 12.434666][ T516] do_setlink.isra.0+0x1d25/0x2a60 [ 12.434670][ T516] ? stack_trace_save+0x93/0xc0 [ 12.434672][ T516] ? rtnl_link_get_size+0x350/0x350 [ 12.434673][ T516] ? rcu_read_lock_any_held+0x66/0x90 [ 12.434675][ T516] ? stack_depot_save_flags+0x38e/0x790 [ 12.434678][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.434680][ T516] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.434682][ T516] ? validate_chain+0x38b/0xc20 [ 12.434684][ T516] ? kasan_save_stack+0x3d/0x50 [ 12.434687][ T516] ? kasan_save_stack+0x2f/0x50 [ 12.434688][ T516] ? kasan_save_track+0x14/0x30 [ 12.434689][ T516] ? __kasan_kmalloc+0x7b/0x90 [ 12.434691][ T516] ? __lock_acquire+0x518/0xc20 [ 12.434693][ T516] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.434696][ T516] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.434700][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.434702][ T516] ? rtnl_newlink+0x9a8/0x11b0 [ 12.434704][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434706][ T516] ? lock_acquire+0x13c/0x160 [ 12.434708][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434709][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434710][ T516] ? trace_contention_end+0xb3/0x180 [ 12.434713][ T516] ? __mutex_lock+0x1db/0x1ea0 [ 12.434715][ T516] ? __mutex_lock+0x9a3/0x1ea0 [ 12.434717][ T516] ? rtnl_newlink+0x9a8/0x11b0 [ 12.434721][ T516] ? ww_mutex_lock+0x160/0x160 [ 12.434724][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434726][ T516] ? __rtnl_newlink+0x3fa/0xa50 [ 12.434731][ T516] rtnl_newlink+0x9f1/0x11b0 [ 12.434737][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.434738][ T516] ? __lock_acquire+0x518/0xc20 [ 12.434743][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.434745][ T516] ? find_held_lock+0x2b/0x80 [ 12.434747][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.434749][ T516] ? __lock_release.isra.0+0x69/0x1a0 [ 12.434753][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.434755][ T516] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.434758][ T516] ? rtnl_link_fill+0x920/0x920 [ 12.434759][ T516] ? __lock_acquire+0x518/0xc20 [ 12.434764][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.434772][ T516] ? find_held_lock+0x2b/0x80 [ 12.434775][ T516] netlink_rcv_skb+0x14e/0x3a0 [ 12.434777][ T516] ? rtnl_link_fill+0x920/0x920 [ 12.434780][ T516] ? netlink_ack+0xcf0/0xcf0 [ 12.434786][ T516] ? netlink_deliver_tap+0xc5/0x330 [ 12.434788][ T516] ? netlink_deliver_tap+0x13c/0x330 [ 12.434793][ T516] netlink_unicast+0x486/0x750 [ 12.434797][ T516] ? netlink_attachskb+0x810/0x810 [ 12.434799][ T516] ? find_held_lock+0x2b/0x80 [ 12.434803][ T516] netlink_sendmsg+0x75b/0xc90 [ 12.434807][ T516] ? netlink_unicast+0x750/0x750 [ 12.434811][ T516] ? __lock_release.isra.0+0x69/0x1a0 [ 12.434813][ T516] ? __import_iovec+0x36c/0x620 [ 12.434818][ T516] __sock_sendmsg+0xce/0x190 [ 12.434821][ T516] ____sys_sendmsg+0x61a/0x860 [ 12.434823][ T516] ? copy_msghdr_from_user+0x279/0x420 [ 12.434825][ T516] ? sock_write_iter+0x400/0x400 [ 12.434827][ T516] ? move_addr_to_kernel+0x40/0x40 [ 12.434834][ T516] ___sys_sendmsg+0x14e/0x1d0 [ 12.434837][ T516] ? copy_msghdr_from_user+0x420/0x420 [ 12.434852][ T516] __sys_sendmsg+0x12c/0x1d0 [ 12.434855][ T516] ? __sys_sendmsg_sock+0x20/0x20 [ 12.434861][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.434864][ T516] do_syscall_64+0xff/0x530 [ 12.434867][ T516] ? exc_page_fault+0xee/0x100 [ 12.434870][ T516] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.434872][ T516] RIP: 0033:0x7ff0ef9a754e [ 12.434874][ T516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 12.434876][ T516] RSP: 002b:00007ffc0a0abec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.434878][ T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff0ef9a754e [ 12.434880][ T516] RDX: 0000000000000000 RSI: 00007ffc0a0abf70 RDI: 0000000000000005 [ 12.434880][ T516] RBP: 00007ffc0a0abed0 R08: 0000000000000000 R09: 0000000000000000 [ 12.434881][ T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917002 [ 12.434882][ T516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0a0ac630 [ 12.434888][ T516] [ 12.479184][ T516] br: port 2(d2) entered forwarding state [ 12.521915][ T61] br: port 1(d1) entered blocking state [ 12.522142][ T61] br: port 1(d1) entered forwarding state [ 12.610189][ T527] br: port 1(d1) entered disabled state [ 12.683277][ T535] br: port 2(d2) entered disabled state [ 12.755433][ T543] br: port 3(d3) entered disabled state [ 13.054106][ T581] br: port 3(d3) entered blocking state [ 13.054361][ T581] br: port 3(d3) entered forwarding state [ 13.090531][ T583] br: port 2(d2) entered blocking state [ 13.090832][ T583] br: port 2(d2) entered forwarding state [ 13.123250][ T585] br: port 1(d1) entered blocking state [ 13.123496][ T585] br: port 1(d1) entered forwarding state [ 13.771378][ T638] br: port 1(d1) entered disabled state [ 13.771395][ T638] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.771397][ T638] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 638, name: ip [ 13.771399][ T638] preempt_count: 202, expected: 0 [ 13.771399][ T638] RCU nest depth: 0, expected: 0 [ 13.771400][ T638] locks held by ip/638: 6, last CPU#1: [ 13.771402][ T638] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 13.771414][ T638] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 13.771419][ T638] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.771424][ T638] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.771429][ T638] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.771432][ T638] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.771436][ T638] irq event stamp: 13029 [ 13.771437][ T638] hardirqs last enabled at (13028): [] __down_trylock_console_sem+0x86/0xa0 [ 13.771440][ T638] hardirqs last disabled at (13029): [] console_emit_next_record+0x3d4/0x4c0 [ 13.771443][ T638] softirqs last enabled at (13012): [] ipv6_mc_down+0x134/0x2d0 [ 13.771445][ T638] softirqs last disabled at (13024): [] br_device_event+0x1d7/0x8f0 [ 13.771448][ T638] Preemption disabled at: [ 13.771448][ T638] [<0000000000000000>] 0x0 [ 13.771455][ T638] CPU: 1 UID: 0 PID: 638 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.771458][ T638] Tainted: [W]=WARN [ 13.771459][ T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.771461][ T638] Call Trace: [ 13.771462][ T638] [ 13.771464][ T638] dump_stack_lvl+0x6f/0xa0 [ 13.771470][ T638] __might_resched.cold+0x1fe/0x2c1 [ 13.771475][ T638] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.771479][ T638] ? __kmalloc_noprof+0xdb/0x760 [ 13.771483][ T638] __kmalloc_noprof+0x443/0x760 [ 13.771485][ T638] ? alloc_buf.isra.0+0x4b/0x260 [ 13.771492][ T638] ? do_raw_spin_unlock+0x59/0x250 [ 13.771494][ T638] alloc_buf.isra.0+0x4b/0x260 [ 13.771498][ T638] put_chars+0x1e1/0x2f0 [ 13.771500][ T638] ? __send_to_port+0x420/0x420 [ 13.771507][ T638] hvc_console_print+0x292/0x780 [ 13.771514][ T638] ? hvc_write+0x3a0/0x3a0 [ 13.771517][ T638] ? lock_acquire+0x13c/0x160 [ 13.771522][ T638] console_emit_next_record+0x22f/0x4c0 [ 13.771526][ T638] ? devkmsg_read+0x4b0/0x4b0 [ 13.771528][ T638] ? console_flush_one_record+0x106/0x710 [ 13.771531][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771533][ T638] ? lock_acquire+0x13c/0x160 [ 13.771537][ T638] console_flush_one_record+0x46f/0x710 [ 13.771542][ T638] ? console_emit_next_record+0x4c0/0x4c0 [ 13.771543][ T638] ? __lock_acquire+0x518/0xc20 [ 13.771549][ T638] console_unlock+0xee/0x1f0 [ 13.771552][ T638] ? console_flush_one_record+0x710/0x710 [ 13.771553][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771555][ T638] ? lock_acquire+0xe0/0x160 [ 13.771559][ T638] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.771560][ T638] ? vprintk_emit+0x320/0x3e0 [ 13.771563][ T638] vprintk_emit+0x37c/0x3e0 [ 13.771566][ T638] ? wake_up_klogd_work_func+0x90/0x90 [ 13.771568][ T638] ? mark_held_locks+0x40/0x70 [ 13.771570][ T638] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.771572][ T638] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.771576][ T638] _printk+0xc7/0x100 [ 13.771580][ T638] ? snapshot_read.cold+0x21/0x21 [ 13.771587][ T638] br_set_state+0x22f/0x430 [ 13.771592][ T638] br_stp_disable_port+0x11f/0x390 [ 13.771595][ T638] br_device_event+0x7b5/0x8f0 [ 13.771598][ T638] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.771601][ T638] ? packet_sendmsg_spkt+0x1360/0x1360 [ 13.771607][ T638] notifier_call_chain+0xae/0x300 [ 13.771612][ T638] __dev_notify_flags+0x23c/0x450 [ 13.771617][ T638] ? netif_change_name+0x8c0/0x8c0 [ 13.771621][ T638] ? netif_set_allmulti+0x2c0/0x2c0 [ 13.771624][ T638] ? __kernel_text_address+0x12/0x30 [ 13.771626][ T638] ? write_profile+0xf0/0xf0 [ 13.771631][ T638] netif_change_flags+0xfe/0x190 [ 13.771635][ T638] do_setlink.isra.0+0x1d25/0x2a60 [ 13.771638][ T638] ? stack_trace_save+0x93/0xc0 [ 13.771641][ T638] ? rtnl_link_get_size+0x350/0x350 [ 13.771642][ T638] ? rcu_read_lock_any_held+0x66/0x90 [ 13.771644][ T638] ? stack_depot_save_flags+0x38e/0x790 [ 13.771647][ T638] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.771649][ T638] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.771651][ T638] ? validate_chain+0x38b/0xc20 [ 13.771653][ T638] ? kasan_save_stack+0x3d/0x50 [ 13.771655][ T638] ? kasan_save_stack+0x2f/0x50 [ 13.771656][ T638] ? kasan_save_track+0x14/0x30 [ 13.771658][ T638] ? __kasan_kmalloc+0x7b/0x90 [ 13.771660][ T638] ? __lock_acquire+0x518/0xc20 [ 13.771662][ T638] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 13.771665][ T638] ? ___sys_sendmsg+0xd0/0x1d0 [ 13.771668][ T638] ? lock_acquire.part.0+0xd4/0x280 [ 13.771670][ T638] ? rtnl_newlink+0x9a8/0x11b0 [ 13.771673][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771675][ T638] ? lock_acquire+0x13c/0x160 [ 13.771676][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771677][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771679][ T638] ? trace_contention_end+0xb3/0x180 [ 13.771681][ T638] ? __mutex_lock+0x1db/0x1ea0 [ 13.771683][ T638] ? __mutex_lock+0x9a3/0x1ea0 [ 13.771684][ T638] ? rtnl_newlink+0x9a8/0x11b0 [ 13.771688][ T638] ? ww_mutex_lock+0x160/0x160 [ 13.771691][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771693][ T638] ? __rtnl_newlink+0x3fa/0xa50 [ 13.771698][ T638] rtnl_newlink+0x9f1/0x11b0 [ 13.771704][ T638] ? rtnl_bridge_getlink+0x850/0x850 [ 13.771706][ T638] ? __lock_acquire+0x518/0xc20 [ 13.771710][ T638] ? lock_acquire.part.0+0xd4/0x280 [ 13.771712][ T638] ? find_held_lock+0x2b/0x80 [ 13.771714][ T638] ? rtnl_bridge_getlink+0x850/0x850 [ 13.771716][ T638] ? __lock_release.isra.0+0x69/0x1a0 [ 13.771720][ T638] ? rtnl_bridge_getlink+0x850/0x850 [ 13.771722][ T638] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.771725][ T638] ? rtnl_link_fill+0x920/0x920 [ 13.771726][ T638] ? __lock_acquire+0x518/0xc20 [ 13.771730][ T638] ? lock_acquire.part.0+0xd4/0x280 [ 13.771732][ T638] ? find_held_lock+0x2b/0x80 [ 13.771736][ T638] netlink_rcv_skb+0x14e/0x3a0 [ 13.771739][ T638] ? rtnl_link_fill+0x920/0x920 [ 13.771742][ T638] ? netlink_ack+0xcf0/0xcf0 [ 13.771748][ T638] ? netlink_deliver_tap+0xc5/0x330 [ 13.771750][ T638] ? netlink_deliver_tap+0x13c/0x330 [ 13.771754][ T638] netlink_unicast+0x486/0x750 [ 13.771758][ T638] ? netlink_attachskb+0x810/0x810 [ 13.771761][ T638] ? find_held_lock+0x2b/0x80 [ 13.771765][ T638] netlink_sendmsg+0x75b/0xc90 [ 13.771773][ T638] ? netlink_unicast+0x750/0x750 [ 13.771776][ T638] ? __lock_release.isra.0+0x69/0x1a0 [ 13.771778][ T638] ? __import_iovec+0x36c/0x620 [ 13.771788][ T638] __sock_sendmsg+0xce/0x190 [ 13.771790][ T638] ____sys_sendmsg+0x61a/0x860 [ 13.771793][ T638] ? copy_msghdr_from_user+0x279/0x420 [ 13.771795][ T638] ? sock_write_iter+0x400/0x400 [ 13.771796][ T638] ? move_addr_to_kernel+0x40/0x40 [ 13.771804][ T638] ___sys_sendmsg+0x14e/0x1d0 [ 13.771806][ T638] ? copy_msghdr_from_user+0x420/0x420 [ 13.771822][ T638] __sys_sendmsg+0x12c/0x1d0 [ 13.771825][ T638] ? __sys_sendmsg_sock+0x20/0x20 [ 13.771831][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.771834][ T638] do_syscall_64+0xff/0x530 [ 13.771837][ T638] ? exc_page_fault+0xee/0x100 [ 13.771840][ T638] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.771842][ T638] RIP: 0033:0x7f463077654e [ 13.771844][ T638] 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 [ 13.771846][ T638] RSP: 002b:00007ffcd9054df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.771848][ T638] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f463077654e [ 13.771850][ T638] RDX: 0000000000000000 RSI: 00007ffcd9054ea0 RDI: 0000000000000005 [ 13.771850][ T638] RBP: 00007ffcd9054e00 R08: 0000000000000000 R09: 0000000000000000 [ 13.771851][ T638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917004 [ 13.771852][ T638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd9055560 [ 13.771859][ T638] [ 14.145349][ T676] br: port 1(d1) entered blocking state [ 14.145628][ T676] br: port 1(d1) entered forwarding state [ 14.218267][ T684] br: port 2(d2) entered disabled state [ 14.518867][ T39] br: port 2(d2) entered blocking state [ 14.519126][ T39] br: port 2(d2) entered forwarding state [ 14.595278][ T730] br: port 1(d1) entered disabled state [ 14.675595][ T738] br: port 2(d2) entered disabled state [ 14.967146][ T776] br: port 2(d2) entered blocking state [ 14.967166][ T776] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.967168][ T776] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 776, name: ip [ 14.967169][ T776] preempt_count: 202, expected: 0 [ 14.967170][ T776] RCU nest depth: 0, expected: 0 [ 14.967171][ T776] locks held by ip/776: 6, last CPU#0: [ 14.967173][ T776] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.967185][ T776] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 14.967191][ T776] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.967196][ T776] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.967200][ T776] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.967204][ T776] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.967207][ T776] irq event stamp: 14549 [ 14.967208][ T776] hardirqs last enabled at (14548): [] __down_trylock_console_sem+0x86/0xa0 [ 14.967211][ T776] hardirqs last disabled at (14549): [] console_emit_next_record+0x3d4/0x4c0 [ 14.967213][ T776] softirqs last enabled at (14510): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 14.967216][ T776] softirqs last disabled at (14544): [] br_device_event+0x5fd/0x8f0 [ 14.967219][ T776] Preemption disabled at: [ 14.967219][ T776] [<0000000000000000>] 0x0 [ 14.967226][ T776] CPU: 0 UID: 0 PID: 776 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.967229][ T776] Tainted: [W]=WARN [ 14.967230][ T776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.967232][ T776] Call Trace: [ 14.967233][ T776] [ 14.967235][ T776] dump_stack_lvl+0x6f/0xa0 [ 14.967241][ T776] __might_resched.cold+0x1fe/0x2c1 [ 14.967245][ T776] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.967250][ T776] ? __kmalloc_noprof+0xdb/0x760 [ 14.967255][ T776] __kmalloc_noprof+0x443/0x760 [ 14.967256][ T776] ? alloc_buf.isra.0+0x4b/0x260 [ 14.967263][ T776] ? do_raw_spin_unlock+0x59/0x250 [ 14.967266][ T776] alloc_buf.isra.0+0x4b/0x260 [ 14.967269][ T776] put_chars+0x1e1/0x2f0 [ 14.967272][ T776] ? __send_to_port+0x420/0x420 [ 14.967273][ T776] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.967277][ T776] ? validate_chain+0x38b/0xc20 [ 14.967282][ T776] hvc_console_print+0x292/0x780 [ 14.967290][ T776] ? hvc_write+0x3a0/0x3a0 [ 14.967293][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967295][ T776] ? lock_acquire+0x13c/0x160 [ 14.967299][ T776] console_emit_next_record+0x22f/0x4c0 [ 14.967303][ T776] ? devkmsg_read+0x4b0/0x4b0 [ 14.967305][ T776] ? console_flush_one_record+0x106/0x710 [ 14.967308][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967310][ T776] ? lock_acquire+0x13c/0x160 [ 14.967314][ T776] console_flush_one_record+0x46f/0x710 [ 14.967318][ T776] ? console_emit_next_record+0x4c0/0x4c0 [ 14.967320][ T776] ? __lock_acquire+0x518/0xc20 [ 14.967325][ T776] console_unlock+0xee/0x1f0 [ 14.967328][ T776] ? console_flush_one_record+0x710/0x710 [ 14.967330][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967332][ T776] ? lock_acquire+0xe0/0x160 [ 14.967336][ T776] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.967337][ T776] ? vprintk_emit+0x320/0x3e0 [ 14.967340][ T776] vprintk_emit+0x37c/0x3e0 [ 14.967344][ T776] ? wake_up_klogd_work_func+0x90/0x90 [ 14.967346][ T776] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.967348][ T776] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.967352][ T776] _printk+0xc7/0x100 [ 14.967356][ T776] ? snapshot_read.cold+0x21/0x21 [ 14.967361][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.967365][ T776] br_set_state+0x22f/0x430 [ 14.967370][ T776] br_init_port+0xc4/0x200 [ 14.967372][ T776] br_stp_enable_port+0x12/0x50 [ 14.967374][ T776] br_device_event+0x605/0x8f0 [ 14.967377][ T776] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.967378][ T776] ? nlmsg_notify+0x62/0x250 [ 14.967385][ T776] notifier_call_chain+0xae/0x300 [ 14.967391][ T776] __dev_notify_flags+0x1b7/0x450 [ 14.967396][ T776] ? netif_change_name+0x8c0/0x8c0 [ 14.967400][ T776] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.967402][ T776] ? kernel_text_address+0x149/0x170 [ 14.967405][ T776] ? __kernel_text_address+0x12/0x30 [ 14.967407][ T776] ? write_profile+0xf0/0xf0 [ 14.967412][ T776] netif_change_flags+0xfe/0x190 [ 14.967416][ T776] do_setlink.isra.0+0x1d25/0x2a60 [ 14.967419][ T776] ? stack_trace_save+0x93/0xc0 [ 14.967421][ T776] ? rtnl_link_get_size+0x350/0x350 [ 14.967422][ T776] ? rcu_read_lock_any_held+0x66/0x90 [ 14.967424][ T776] ? stack_depot_save_flags+0x38e/0x790 [ 14.967428][ T776] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.967429][ T776] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.967431][ T776] ? validate_chain+0x38b/0xc20 [ 14.967434][ T776] ? kasan_save_stack+0x3d/0x50 [ 14.967436][ T776] ? kasan_save_stack+0x2f/0x50 [ 14.967437][ T776] ? kasan_save_track+0x14/0x30 [ 14.967438][ T776] ? __kasan_kmalloc+0x7b/0x90 [ 14.967441][ T776] ? __lock_acquire+0x518/0xc20 [ 14.967442][ T776] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.967445][ T776] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.967450][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.967451][ T776] ? rtnl_newlink+0x9a8/0x11b0 [ 14.967454][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967456][ T776] ? lock_acquire+0x13c/0x160 [ 14.967457][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967459][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967460][ T776] ? trace_contention_end+0xb3/0x180 [ 14.967463][ T776] ? __mutex_lock+0x1db/0x1ea0 [ 14.967465][ T776] ? __mutex_lock+0x9a3/0x1ea0 [ 14.967467][ T776] ? rtnl_newlink+0x9a8/0x11b0 [ 14.967471][ T776] ? ww_mutex_lock+0x160/0x160 [ 14.967475][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967477][ T776] ? __rtnl_newlink+0x3fa/0xa50 [ 14.967482][ T776] rtnl_newlink+0x9f1/0x11b0 [ 14.967488][ T776] ? rtnl_bridge_getlink+0x850/0x850 [ 14.967490][ T776] ? __lock_acquire+0x518/0xc20 [ 14.967494][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.967496][ T776] ? find_held_lock+0x2b/0x80 [ 14.967499][ T776] ? rtnl_bridge_getlink+0x850/0x850 [ 14.967500][ T776] ? __lock_release.isra.0+0x69/0x1a0 [ 14.967504][ T776] ? rtnl_bridge_getlink+0x850/0x850 [ 14.967506][ T776] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.967510][ T776] ? rtnl_link_fill+0x920/0x920 [ 14.967511][ T776] ? __lock_acquire+0x518/0xc20 [ 14.967516][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.967517][ T776] ? find_held_lock+0x2b/0x80 [ 14.967521][ T776] netlink_rcv_skb+0x14e/0x3a0 [ 14.967523][ T776] ? rtnl_link_fill+0x920/0x920 [ 14.967526][ T776] ? netlink_ack+0xcf0/0xcf0 [ 14.967535][ T776] ? netlink_deliver_tap+0xc5/0x330 [ 14.967537][ T776] ? netlink_deliver_tap+0x13c/0x330 [ 14.967542][ T776] netlink_unicast+0x486/0x750 [ 14.967546][ T776] ? netlink_attachskb+0x810/0x810 [ 14.967548][ T776] ? find_held_lock+0x2b/0x80 [ 14.967552][ T776] netlink_sendmsg+0x75b/0xc90 [ 14.967556][ T776] ? netlink_unicast+0x750/0x750 [ 14.967560][ T776] ? __lock_release.isra.0+0x69/0x1a0 [ 14.967562][ T776] ? __import_iovec+0x36c/0x620 [ 14.967567][ T776] __sock_sendmsg+0xce/0x190 [ 14.967569][ T776] ____sys_sendmsg+0x61a/0x860 [ 14.967572][ T776] ? copy_msghdr_from_user+0x279/0x420 [ 14.967574][ T776] ? sock_write_iter+0x400/0x400 [ 14.967575][ T776] ? move_addr_to_kernel+0x40/0x40 [ 14.967583][ T776] ___sys_sendmsg+0x14e/0x1d0 [ 14.967586][ T776] ? copy_msghdr_from_user+0x420/0x420 [ 14.967601][ T776] __sys_sendmsg+0x12c/0x1d0 [ 14.967604][ T776] ? __sys_sendmsg_sock+0x20/0x20 [ 14.967610][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.967613][ T776] do_syscall_64+0xff/0x530 [ 14.967616][ T776] ? exc_page_fault+0xee/0x100 [ 14.967619][ T776] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.967621][ T776] RIP: 0033:0x7f57b85f754e [ 14.967623][ T776] 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 [ 14.967625][ T776] RSP: 002b:00007ffde957eb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.967628][ T776] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f57b85f754e [ 14.967629][ T776] RDX: 0000000000000000 RSI: 00007ffde957ebc0 RDI: 0000000000000005 [ 14.967630][ T776] RBP: 00007ffde957eb20 R08: 0000000000000000 R09: 0000000000000000 [ 14.967631][ T776] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917005 [ 14.967632][ T776] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde957f280 [ 14.967639][ T776] [ 15.010232][ T776] br: port 2(d2) entered forwarding state [ 15.037387][ T778] br: port 1(d1) entered blocking state [ 15.037630][ T778] br: port 1(d1) entered forwarding state [ 15.115230][ T786] br: port 1(d1) entered disabled state [ 15.195981][ T794] br: port 2(d2) entered disabled state [ 15.265026][ T802] br: port 3(d3) entered disabled state [ 15.773175][ T36] br: port 3(d3) entered blocking state [ 15.773418][ T36] br: port 3(d3) entered forwarding state [ 15.805558][ T38] br: port 2(d2) entered blocking state [ 15.805992][ T38] br: port 2(d2) entered forwarding state [ 15.838139][ T38] br: port 1(d1) entered blocking state [ 15.838394][ T38] br: port 1(d1) entered forwarding state [ 16.575407][ T926] br: port 1(d1) entered disabled state [ 16.575425][ T926] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.575427][ T926] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 926, name: ip [ 16.575428][ T926] preempt_count: 202, expected: 0 [ 16.575429][ T926] RCU nest depth: 0, expected: 0 [ 16.575430][ T926] locks held by ip/926: 6, last CPU#3: [ 16.575432][ T926] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 16.575444][ T926] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 16.575450][ T926] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.575455][ T926] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.575459][ T926] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.575462][ T926] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.575467][ T926] irq event stamp: 23383 [ 16.575468][ T926] hardirqs last enabled at (23382): [] __down_trylock_console_sem+0x86/0xa0 [ 16.575471][ T926] hardirqs last disabled at (23383): [] console_emit_next_record+0x3d4/0x4c0 [ 16.575473][ T926] softirqs last enabled at (23366): [] ipv6_mc_down+0x134/0x2d0 [ 16.575475][ T926] softirqs last disabled at (23378): [] br_device_event+0x1d7/0x8f0 [ 16.575478][ T926] Preemption disabled at: [ 16.575478][ T926] [<0000000000000000>] 0x0 [ 16.575485][ T926] CPU: 3 UID: 0 PID: 926 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.575488][ T926] Tainted: [W]=WARN [ 16.575489][ T926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.575490][ T926] Call Trace: [ 16.575492][ T926] [ 16.575493][ T926] dump_stack_lvl+0x6f/0xa0 [ 16.575500][ T926] __might_resched.cold+0x1fe/0x2c1 [ 16.575504][ T926] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.575508][ T926] ? __kmalloc_noprof+0xdb/0x760 [ 16.575513][ T926] __kmalloc_noprof+0x443/0x760 [ 16.575514][ T926] ? alloc_buf.isra.0+0x4b/0x260 [ 16.575521][ T926] ? do_raw_spin_unlock+0x59/0x250 [ 16.575524][ T926] alloc_buf.isra.0+0x4b/0x260 [ 16.575527][ T926] put_chars+0x1e1/0x2f0 [ 16.575530][ T926] ? __send_to_port+0x420/0x420 [ 16.575536][ T926] hvc_console_print+0x292/0x780 [ 16.575543][ T926] ? hvc_write+0x3a0/0x3a0 [ 16.575546][ T926] ? lock_acquire+0x13c/0x160 [ 16.575551][ T926] console_emit_next_record+0x22f/0x4c0 [ 16.575555][ T926] ? devkmsg_read+0x4b0/0x4b0 [ 16.575557][ T926] ? console_flush_one_record+0x106/0x710 [ 16.575560][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575563][ T926] ? lock_acquire+0x13c/0x160 [ 16.575567][ T926] console_flush_one_record+0x46f/0x710 [ 16.575571][ T926] ? console_emit_next_record+0x4c0/0x4c0 [ 16.575573][ T926] ? __lock_acquire+0x518/0xc20 [ 16.575578][ T926] console_unlock+0xee/0x1f0 [ 16.575581][ T926] ? console_flush_one_record+0x710/0x710 [ 16.575583][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575584][ T926] ? lock_acquire+0xe0/0x160 [ 16.575588][ T926] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.575590][ T926] ? vprintk_emit+0x320/0x3e0 [ 16.575592][ T926] vprintk_emit+0x37c/0x3e0 [ 16.575595][ T926] ? wake_up_klogd_work_func+0x90/0x90 [ 16.575597][ T926] ? mark_held_locks+0x40/0x70 [ 16.575599][ T926] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.575601][ T926] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.575606][ T926] _printk+0xc7/0x100 [ 16.575609][ T926] ? snapshot_read.cold+0x21/0x21 [ 16.575617][ T926] br_set_state+0x22f/0x430 [ 16.575621][ T926] br_stp_disable_port+0x11f/0x390 [ 16.575624][ T926] br_device_event+0x7b5/0x8f0 [ 16.575627][ T926] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 16.575630][ T926] ? packet_sendmsg_spkt+0x1360/0x1360 [ 16.575636][ T926] notifier_call_chain+0xae/0x300 [ 16.575641][ T926] __dev_notify_flags+0x23c/0x450 [ 16.575646][ T926] ? netif_change_name+0x8c0/0x8c0 [ 16.575650][ T926] ? netif_set_allmulti+0x2c0/0x2c0 [ 16.575653][ T926] ? __kernel_text_address+0x12/0x30 [ 16.575656][ T926] ? write_profile+0xf0/0xf0 [ 16.575660][ T926] netif_change_flags+0xfe/0x190 [ 16.575664][ T926] do_setlink.isra.0+0x1d25/0x2a60 [ 16.575668][ T926] ? stack_trace_save+0x93/0xc0 [ 16.575670][ T926] ? rtnl_link_get_size+0x350/0x350 [ 16.575671][ T926] ? rcu_read_lock_any_held+0x66/0x90 [ 16.575673][ T926] ? stack_depot_save_flags+0x38e/0x790 [ 16.575676][ T926] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.575678][ T926] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.575680][ T926] ? validate_chain+0x38b/0xc20 [ 16.575682][ T926] ? kasan_save_stack+0x3d/0x50 [ 16.575685][ T926] ? kasan_save_stack+0x2f/0x50 [ 16.575686][ T926] ? kasan_save_track+0x14/0x30 [ 16.575687][ T926] ? __kasan_kmalloc+0x7b/0x90 [ 16.575689][ T926] ? __lock_acquire+0x518/0xc20 [ 16.575691][ T926] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 16.575694][ T926] ? ___sys_sendmsg+0xd0/0x1d0 [ 16.575698][ T926] ? lock_acquire.part.0+0xd4/0x280 [ 16.575700][ T926] ? rtnl_newlink+0x9a8/0x11b0 [ 16.575702][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575704][ T926] ? lock_acquire+0x13c/0x160 [ 16.575706][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575707][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575708][ T926] ? trace_contention_end+0xb3/0x180 [ 16.575711][ T926] ? __mutex_lock+0x1db/0x1ea0 [ 16.575712][ T926] ? __mutex_lock+0x9a3/0x1ea0 [ 16.575714][ T926] ? rtnl_newlink+0x9a8/0x11b0 [ 16.575717][ T926] ? ww_mutex_lock+0x160/0x160 [ 16.575721][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575723][ T926] ? __rtnl_newlink+0x3fa/0xa50 [ 16.575728][ T926] rtnl_newlink+0x9f1/0x11b0 [ 16.575733][ T926] ? rtnl_bridge_getlink+0x850/0x850 [ 16.575735][ T926] ? __lock_acquire+0x518/0xc20 [ 16.575740][ T926] ? lock_acquire.part.0+0xd4/0x280 [ 16.575742][ T926] ? find_held_lock+0x2b/0x80 [ 16.575744][ T926] ? rtnl_bridge_getlink+0x850/0x850 [ 16.575745][ T926] ? __lock_release.isra.0+0x69/0x1a0 [ 16.575749][ T926] ? rtnl_bridge_getlink+0x850/0x850 [ 16.575751][ T926] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.575754][ T926] ? rtnl_link_fill+0x920/0x920 [ 16.575756][ T926] ? __lock_acquire+0x518/0xc20 [ 16.575760][ T926] ? lock_acquire.part.0+0xd4/0x280 [ 16.575762][ T926] ? find_held_lock+0x2b/0x80 [ 16.575765][ T926] netlink_rcv_skb+0x14e/0x3a0 [ 16.575771][ T926] ? rtnl_link_fill+0x920/0x920 [ 16.575774][ T926] ? netlink_ack+0xcf0/0xcf0 [ 16.575780][ T926] ? netlink_deliver_tap+0xc5/0x330 [ 16.575782][ T926] ? netlink_deliver_tap+0x13c/0x330 [ 16.575786][ T926] netlink_unicast+0x486/0x750 [ 16.575790][ T926] ? netlink_attachskb+0x810/0x810 [ 16.575793][ T926] ? find_held_lock+0x2b/0x80 [ 16.575797][ T926] netlink_sendmsg+0x75b/0xc90 [ 16.575801][ T926] ? netlink_unicast+0x750/0x750 [ 16.575805][ T926] ? __lock_release.isra.0+0x69/0x1a0 [ 16.575807][ T926] ? __import_iovec+0x36c/0x620 [ 16.575816][ T926] __sock_sendmsg+0xce/0x190 [ 16.575819][ T926] ____sys_sendmsg+0x61a/0x860 [ 16.575821][ T926] ? copy_msghdr_from_user+0x279/0x420 [ 16.575823][ T926] ? sock_write_iter+0x400/0x400 [ 16.575825][ T926] ? move_addr_to_kernel+0x40/0x40 [ 16.575832][ T926] ___sys_sendmsg+0x14e/0x1d0 [ 16.575835][ T926] ? copy_msghdr_from_user+0x420/0x420 [ 16.575851][ T926] __sys_sendmsg+0x12c/0x1d0 [ 16.575853][ T926] ? __sys_sendmsg_sock+0x20/0x20 [ 16.575859][ T926] ? rcu_is_watching+0x16/0xd0 [ 16.575862][ T926] do_syscall_64+0xff/0x530 [ 16.575865][ T926] ? exc_page_fault+0xee/0x100 [ 16.575868][ T926] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.575870][ T926] RIP: 0033:0x7f97c6bd454e [ 16.575873][ T926] 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 [ 16.575874][ T926] RSP: 002b:00007ffcd238a740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.575877][ T926] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f97c6bd454e [ 16.575878][ T926] RDX: 0000000000000000 RSI: 00007ffcd238a7f0 RDI: 0000000000000005 [ 16.575879][ T926] RBP: 00007ffcd238a750 R08: 0000000000000000 R09: 0000000000000000 [ 16.575880][ T926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917006 [ 16.575881][ T926] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd238aeb0 [ 16.575888][ T926] [ 16.915717][ T964] br: port 1(d1) entered blocking state [ 16.915994][ T964] br: port 1(d1) entered forwarding state [ 17.000824][ T972] br: port 2(d2) entered disabled state [ 17.300106][ T1010] br: port 2(d2) entered blocking state [ 17.300371][ T1010] br: port 2(d2) entered forwarding state [ 17.378492][ T1018] br: port 1(d1) entered disabled state [ 17.453482][ T1026] br: port 2(d2) entered disabled state [ 17.763177][ T38] br: port 2(d2) entered blocking state [ 17.763195][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.763197][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 17.763199][ T38] preempt_count: 202, expected: 0 [ 17.763200][ T38] RCU nest depth: 0, expected: 0 [ 17.763200][ T38] locks held by kworker/u19:0/38: 8, last CPU#1: [ 17.763202][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.763215][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.763219][ T38] #2: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 17.763224][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 17.763229][ T38] #4: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.763233][ T38] #5: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.763237][ T38] #6: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.763240][ T38] #7: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.763244][ T38] irq event stamp: 188583 [ 17.763245][ T38] hardirqs last enabled at (188582): [] __down_trylock_console_sem+0x86/0xa0 [ 17.763248][ T38] hardirqs last disabled at (188583): [] console_emit_next_record+0x3d4/0x4c0 [ 17.763250][ T38] softirqs last enabled at (188544): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 17.763253][ T38] softirqs last disabled at (188578): [] br_port_carrier_check+0x161/0x430 [ 17.763255][ T38] Preemption disabled at: [ 17.763256][ T38] [<0000000000000000>] 0x0 [ 17.763263][ T38] CPU: 1 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.763266][ T38] Tainted: [W]=WARN [ 17.763267][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.763268][ T38] Workqueue: events_unbound linkwatch_event [ 17.763271][ T38] Call Trace: [ 17.763273][ T38] [ 17.763275][ T38] dump_stack_lvl+0x6f/0xa0 [ 17.763281][ T38] __might_resched.cold+0x1fe/0x2c1 [ 17.763286][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.763290][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 17.763294][ T38] __kmalloc_noprof+0x443/0x760 [ 17.763296][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 17.763302][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 17.763305][ T38] alloc_buf.isra.0+0x4b/0x260 [ 17.763309][ T38] put_chars+0x1e1/0x2f0 [ 17.763311][ T38] ? __send_to_port+0x420/0x420 [ 17.763314][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.763316][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.763319][ T38] ? validate_chain+0x38b/0xc20 [ 17.763323][ T38] hvc_console_print+0x292/0x780 [ 17.763327][ T38] ? mark_usage+0x61/0x170 [ 17.763329][ T38] ? __lock_acquire+0x518/0xc20 [ 17.763330][ T38] ? __lock_acquire+0x518/0xc20 [ 17.763335][ T38] ? hvc_write+0x3a0/0x3a0 [ 17.763337][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 17.763341][ T38] ? lock_acquire+0x13c/0x160 [ 17.763345][ T38] console_emit_next_record+0x22f/0x4c0 [ 17.763349][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 17.763351][ T38] ? console_flush_one_record+0x106/0x710 [ 17.763354][ T38] ? rcu_is_watching+0x16/0xd0 [ 17.763356][ T38] ? lock_acquire+0x13c/0x160 [ 17.763360][ T38] console_flush_one_record+0x46f/0x710 [ 17.763364][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 17.763366][ T38] ? __lock_acquire+0x518/0xc20 [ 17.763371][ T38] console_unlock+0xee/0x1f0 [ 17.763374][ T38] ? console_flush_one_record+0x710/0x710 [ 17.763376][ T38] ? rcu_is_watching+0x16/0xd0 [ 17.763377][ T38] ? lock_acquire+0xe0/0x160 [ 17.763381][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.763383][ T38] ? vprintk_emit+0x320/0x3e0 [ 17.763386][ T38] vprintk_emit+0x37c/0x3e0 [ 17.763389][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 17.763391][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.763393][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.763396][ T38] _printk+0xc7/0x100 [ 17.763400][ T38] ? snapshot_read.cold+0x21/0x21 [ 17.763405][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 17.763409][ T38] br_set_state+0x22f/0x430 [ 17.763413][ T38] br_init_port+0xc4/0x200 [ 17.763416][ T38] br_stp_enable_port+0x12/0x50 [ 17.763418][ T38] br_port_carrier_check+0x220/0x430 [ 17.763421][ T38] br_device_event+0x52d/0x8f0 [ 17.763424][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 17.763426][ T38] ? nlmsg_notify+0x62/0x250 [ 17.763433][ T38] notifier_call_chain+0xae/0x300 [ 17.763438][ T38] netif_state_change+0x139/0x3d0 [ 17.763443][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 17.763448][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 17.763450][ T38] __linkwatch_run_queue+0x350/0x850 [ 17.763453][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 17.763455][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 17.763460][ T38] linkwatch_event+0x7f/0xb0 [ 17.763462][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 17.763465][ T38] process_one_work+0xe3e/0x1560 [ 17.763472][ T38] ? __queue_delayed_work+0x470/0x470 [ 17.763475][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 17.763482][ T38] worker_thread+0x4f1/0xd60 [ 17.763489][ T38] ? rescuer_thread+0x1340/0x1340 [ 17.763492][ T38] kthread+0x367/0x460 [ 17.763494][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.763497][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.763500][ T38] ret_from_fork+0x474/0x6b0 [ 17.763504][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.763507][ T38] ? __switch_to+0x5a3/0xe00 [ 17.763511][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.763513][ T38] ret_from_fork_asm+0x11/0x20 [ 17.763522][ T38] [ 17.784666][ T38] br: port 2(d2) entered forwarding state [ 17.809170][ T46] br: port 1(d1) entered blocking state [ 17.809388][ T46] br: port 1(d1) entered forwarding state [ 17.897865][ T1074] br: port 1(d1) entered disabled state [ 17.971202][ T1082] br: port 2(d2) entered disabled state [ 18.035975][ T1090] br: port 3(d3) entered disabled state [ 18.342909][ T1128] br: port 3(d3) entered blocking state [ 18.343171][ T1128] br: port 3(d3) entered forwarding state [ 18.379917][ T1130] br: port 2(d2) entered blocking state [ 18.380161][ T1130] br: port 2(d2) entered forwarding state [ 18.406109][ T1132] br: port 1(d1) entered blocking state [ 18.406386][ T1132] br: port 1(d1) entered forwarding state [ 19.116715][ T1189] br: port 1(d1) entered disabled state [ 19.116733][ T1189] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.116735][ T1189] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1189, name: ip [ 19.116736][ T1189] preempt_count: 202, expected: 0 [ 19.116737][ T1189] RCU nest depth: 0, expected: 0 [ 19.116738][ T1189] locks held by ip/1189: 6, last CPU#3: [ 19.116740][ T1189] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 19.116752][ T1189] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 19.116757][ T1189] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.116762][ T1189] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.116767][ T1189] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.116773][ T1189] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.116777][ T1189] irq event stamp: 16381 [ 19.116778][ T1189] hardirqs last enabled at (16380): [] __down_trylock_console_sem+0x86/0xa0 [ 19.116781][ T1189] hardirqs last disabled at (16381): [] console_emit_next_record+0x3d4/0x4c0 [ 19.116783][ T1189] softirqs last enabled at (16364): [] ipv6_mc_down+0x134/0x2d0 [ 19.116786][ T1189] softirqs last disabled at (16376): [] br_device_event+0x1d7/0x8f0 [ 19.116788][ T1189] Preemption disabled at: [ 19.116789][ T1189] [<0000000000000000>] 0x0 [ 19.116796][ T1189] CPU: 3 UID: 0 PID: 1189 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.116799][ T1189] Tainted: [W]=WARN [ 19.116800][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.116802][ T1189] Call Trace: [ 19.116803][ T1189] [ 19.116805][ T1189] dump_stack_lvl+0x6f/0xa0 [ 19.116811][ T1189] __might_resched.cold+0x1fe/0x2c1 [ 19.116815][ T1189] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.116819][ T1189] ? __kmalloc_noprof+0xdb/0x760 [ 19.116824][ T1189] __kmalloc_noprof+0x443/0x760 [ 19.116826][ T1189] ? alloc_buf.isra.0+0x4b/0x260 [ 19.116832][ T1189] ? do_raw_spin_unlock+0x59/0x250 [ 19.116839][ T1189] alloc_buf.isra.0+0x4b/0x260 [ 19.116843][ T1189] put_chars+0x1e1/0x2f0 [ 19.116845][ T1189] ? __send_to_port+0x420/0x420 [ 19.116852][ T1189] hvc_console_print+0x292/0x780 [ 19.116859][ T1189] ? hvc_write+0x3a0/0x3a0 [ 19.116862][ T1189] ? lock_acquire+0x13c/0x160 [ 19.116867][ T1189] console_emit_next_record+0x22f/0x4c0 [ 19.116871][ T1189] ? devkmsg_read+0x4b0/0x4b0 [ 19.116873][ T1189] ? console_flush_one_record+0x106/0x710 [ 19.116876][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.116879][ T1189] ? lock_acquire+0x13c/0x160 [ 19.116883][ T1189] console_flush_one_record+0x46f/0x710 [ 19.116887][ T1189] ? console_emit_next_record+0x4c0/0x4c0 [ 19.116889][ T1189] ? __lock_acquire+0x518/0xc20 [ 19.116894][ T1189] console_unlock+0xee/0x1f0 [ 19.116897][ T1189] ? console_flush_one_record+0x710/0x710 [ 19.116899][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.116900][ T1189] ? lock_acquire+0xe0/0x160 [ 19.116904][ T1189] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.116906][ T1189] ? vprintk_emit+0x320/0x3e0 [ 19.116909][ T1189] vprintk_emit+0x37c/0x3e0 [ 19.116912][ T1189] ? wake_up_klogd_work_func+0x90/0x90 [ 19.116913][ T1189] ? mark_held_locks+0x40/0x70 [ 19.116915][ T1189] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.116917][ T1189] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.116922][ T1189] _printk+0xc7/0x100 [ 19.116925][ T1189] ? snapshot_read.cold+0x21/0x21 [ 19.116932][ T1189] br_set_state+0x22f/0x430 [ 19.116937][ T1189] br_stp_disable_port+0x11f/0x390 [ 19.116940][ T1189] br_device_event+0x7b5/0x8f0 [ 19.116942][ T1189] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 19.116946][ T1189] ? packet_sendmsg_spkt+0x1360/0x1360 [ 19.116952][ T1189] notifier_call_chain+0xae/0x300 [ 19.116957][ T1189] __dev_notify_flags+0x23c/0x450 [ 19.116962][ T1189] ? netif_change_name+0x8c0/0x8c0 [ 19.116966][ T1189] ? netif_set_allmulti+0x2c0/0x2c0 [ 19.116969][ T1189] ? __kernel_text_address+0x12/0x30 [ 19.116971][ T1189] ? write_profile+0xf0/0xf0 [ 19.116976][ T1189] netif_change_flags+0xfe/0x190 [ 19.116980][ T1189] do_setlink.isra.0+0x1d25/0x2a60 [ 19.116983][ T1189] ? stack_trace_save+0x93/0xc0 [ 19.116985][ T1189] ? rtnl_link_get_size+0x350/0x350 [ 19.116987][ T1189] ? rcu_read_lock_any_held+0x66/0x90 [ 19.116989][ T1189] ? stack_depot_save_flags+0x38e/0x790 [ 19.116992][ T1189] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.116994][ T1189] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.116996][ T1189] ? validate_chain+0x38b/0xc20 [ 19.116998][ T1189] ? kasan_save_stack+0x3d/0x50 [ 19.117000][ T1189] ? kasan_save_stack+0x2f/0x50 [ 19.117002][ T1189] ? kasan_save_track+0x14/0x30 [ 19.117003][ T1189] ? __kasan_kmalloc+0x7b/0x90 [ 19.117005][ T1189] ? __lock_acquire+0x518/0xc20 [ 19.117007][ T1189] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 19.117010][ T1189] ? ___sys_sendmsg+0xd0/0x1d0 [ 19.117014][ T1189] ? lock_acquire.part.0+0xd4/0x280 [ 19.117016][ T1189] ? rtnl_newlink+0x9a8/0x11b0 [ 19.117018][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.117020][ T1189] ? lock_acquire+0x13c/0x160 [ 19.117021][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.117022][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.117024][ T1189] ? trace_contention_end+0xb3/0x180 [ 19.117026][ T1189] ? __mutex_lock+0x1db/0x1ea0 [ 19.117028][ T1189] ? __mutex_lock+0x9a3/0x1ea0 [ 19.117030][ T1189] ? rtnl_newlink+0x9a8/0x11b0 [ 19.117033][ T1189] ? ww_mutex_lock+0x160/0x160 [ 19.117036][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.117039][ T1189] ? __rtnl_newlink+0x3fa/0xa50 [ 19.117044][ T1189] rtnl_newlink+0x9f1/0x11b0 [ 19.117049][ T1189] ? rtnl_bridge_getlink+0x850/0x850 [ 19.117051][ T1189] ? __lock_acquire+0x518/0xc20 [ 19.117056][ T1189] ? lock_acquire.part.0+0xd4/0x280 [ 19.117057][ T1189] ? find_held_lock+0x2b/0x80 [ 19.117060][ T1189] ? rtnl_bridge_getlink+0x850/0x850 [ 19.117061][ T1189] ? __lock_release.isra.0+0x69/0x1a0 [ 19.117065][ T1189] ? rtnl_bridge_getlink+0x850/0x850 [ 19.117067][ T1189] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.117070][ T1189] ? rtnl_link_fill+0x920/0x920 [ 19.117072][ T1189] ? __lock_acquire+0x518/0xc20 [ 19.117076][ T1189] ? lock_acquire.part.0+0xd4/0x280 [ 19.117078][ T1189] ? find_held_lock+0x2b/0x80 [ 19.117081][ T1189] netlink_rcv_skb+0x14e/0x3a0 [ 19.117085][ T1189] ? rtnl_link_fill+0x920/0x920 [ 19.117088][ T1189] ? netlink_ack+0xcf0/0xcf0 [ 19.117094][ T1189] ? netlink_deliver_tap+0xc5/0x330 [ 19.117096][ T1189] ? netlink_deliver_tap+0x13c/0x330 [ 19.117101][ T1189] netlink_unicast+0x486/0x750 [ 19.117105][ T1189] ? netlink_attachskb+0x810/0x810 [ 19.117107][ T1189] ? find_held_lock+0x2b/0x80 [ 19.117111][ T1189] netlink_sendmsg+0x75b/0xc90 [ 19.117115][ T1189] ? netlink_unicast+0x750/0x750 [ 19.117119][ T1189] ? __lock_release.isra.0+0x69/0x1a0 [ 19.117121][ T1189] ? __import_iovec+0x36c/0x620 [ 19.117126][ T1189] __sock_sendmsg+0xce/0x190 [ 19.117129][ T1189] ____sys_sendmsg+0x61a/0x860 [ 19.117131][ T1189] ? copy_msghdr_from_user+0x279/0x420 [ 19.117133][ T1189] ? sock_write_iter+0x400/0x400 [ 19.117135][ T1189] ? move_addr_to_kernel+0x40/0x40 [ 19.117142][ T1189] ___sys_sendmsg+0x14e/0x1d0 [ 19.117145][ T1189] ? copy_msghdr_from_user+0x420/0x420 [ 19.117160][ T1189] __sys_sendmsg+0x12c/0x1d0 [ 19.117163][ T1189] ? __sys_sendmsg_sock+0x20/0x20 [ 19.117169][ T1189] ? rcu_is_watching+0x16/0xd0 [ 19.117172][ T1189] do_syscall_64+0xff/0x530 [ 19.117175][ T1189] ? exc_page_fault+0xee/0x100 [ 19.117178][ T1189] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.117180][ T1189] RIP: 0033:0x7ff233d3454e [ 19.117183][ T1189] 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 [ 19.117184][ T1189] RSP: 002b:00007ffe342edd10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.117187][ T1189] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff233d3454e [ 19.117189][ T1189] RDX: 0000000000000000 RSI: 00007ffe342eddc0 RDI: 0000000000000005 [ 19.117189][ T1189] RBP: 00007ffe342edd20 R08: 0000000000000000 R09: 0000000000000000 [ 19.117190][ T1189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917009 [ 19.117191][ T1189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe342ee480 [ 19.117198][ T1189] [ 19.447555][ T1227] br: port 1(d1) entered blocking state [ 19.447883][ T1227] br: port 1(d1) entered forwarding state [ 19.532009][ T1235] br: port 2(d2) entered disabled state [ 19.824922][ T57] br: port 2(d2) entered blocking state [ 19.825200][ T57] br: port 2(d2) entered forwarding state [ 19.905203][ T1281] br: port 1(d1) entered disabled state [ 19.978257][ T1289] br: port 2(d2) entered disabled state [ 20.291599][ T1327] br: port 2(d2) entered blocking state [ 20.291618][ T1327] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.291620][ T1327] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1327, name: ip [ 20.291621][ T1327] preempt_count: 202, expected: 0 [ 20.291622][ T1327] RCU nest depth: 0, expected: 0 [ 20.291623][ T1327] locks held by ip/1327: 6, last CPU#2: [ 20.291625][ T1327] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 20.291637][ T1327] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 20.291643][ T1327] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.291648][ T1327] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.291652][ T1327] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.291656][ T1327] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.291660][ T1327] irq event stamp: 17037 [ 20.291661][ T1327] hardirqs last enabled at (17036): [] __down_trylock_console_sem+0x86/0xa0 [ 20.291664][ T1327] hardirqs last disabled at (17037): [] console_emit_next_record+0x3d4/0x4c0 [ 20.291666][ T1327] softirqs last enabled at (16998): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 20.291668][ T1327] softirqs last disabled at (17032): [] br_device_event+0x5fd/0x8f0 [ 20.291671][ T1327] Preemption disabled at: [ 20.291671][ T1327] [<0000000000000000>] 0x0 [ 20.291678][ T1327] CPU: 2 UID: 0 PID: 1327 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.291682][ T1327] Tainted: [W]=WARN [ 20.291683][ T1327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.291684][ T1327] Call Trace: [ 20.291686][ T1327] [ 20.291687][ T1327] dump_stack_lvl+0x6f/0xa0 [ 20.291694][ T1327] __might_resched.cold+0x1fe/0x2c1 [ 20.291698][ T1327] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.291703][ T1327] ? __kmalloc_noprof+0xdb/0x760 [ 20.291707][ T1327] __kmalloc_noprof+0x443/0x760 [ 20.291709][ T1327] ? alloc_buf.isra.0+0x4b/0x260 [ 20.291715][ T1327] ? do_raw_spin_unlock+0x59/0x250 [ 20.291718][ T1327] alloc_buf.isra.0+0x4b/0x260 [ 20.291722][ T1327] put_chars+0x1e1/0x2f0 [ 20.291724][ T1327] ? __send_to_port+0x420/0x420 [ 20.291725][ T1327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.291729][ T1327] ? validate_chain+0x38b/0xc20 [ 20.291734][ T1327] hvc_console_print+0x292/0x780 [ 20.291742][ T1327] ? hvc_write+0x3a0/0x3a0 [ 20.291744][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291746][ T1327] ? lock_acquire+0x13c/0x160 [ 20.291750][ T1327] console_emit_next_record+0x22f/0x4c0 [ 20.291754][ T1327] ? devkmsg_read+0x4b0/0x4b0 [ 20.291756][ T1327] ? console_flush_one_record+0x106/0x710 [ 20.291759][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291761][ T1327] ? lock_acquire+0x13c/0x160 [ 20.291765][ T1327] console_flush_one_record+0x46f/0x710 [ 20.291771][ T1327] ? console_emit_next_record+0x4c0/0x4c0 [ 20.291773][ T1327] ? __lock_acquire+0x518/0xc20 [ 20.291778][ T1327] console_unlock+0xee/0x1f0 [ 20.291781][ T1327] ? console_flush_one_record+0x710/0x710 [ 20.291783][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291785][ T1327] ? lock_acquire+0xe0/0x160 [ 20.291788][ T1327] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.291790][ T1327] ? vprintk_emit+0x320/0x3e0 [ 20.291793][ T1327] vprintk_emit+0x37c/0x3e0 [ 20.291796][ T1327] ? wake_up_klogd_work_func+0x90/0x90 [ 20.291798][ T1327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.291800][ T1327] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.291804][ T1327] _printk+0xc7/0x100 [ 20.291808][ T1327] ? snapshot_read.cold+0x21/0x21 [ 20.291813][ T1327] ? lock_acquire.part.0+0xd4/0x280 [ 20.291817][ T1327] br_set_state+0x22f/0x430 [ 20.291821][ T1327] br_init_port+0xc4/0x200 [ 20.291824][ T1327] br_stp_enable_port+0x12/0x50 [ 20.291826][ T1327] br_device_event+0x605/0x8f0 [ 20.291828][ T1327] ? packet_sendmsg_spkt+0x1360/0x1360 [ 20.291830][ T1327] ? nlmsg_notify+0x62/0x250 [ 20.291837][ T1327] notifier_call_chain+0xae/0x300 [ 20.291842][ T1327] __dev_notify_flags+0x1b7/0x450 [ 20.291852][ T1327] ? netif_change_name+0x8c0/0x8c0 [ 20.291855][ T1327] ? netif_set_allmulti+0x2c0/0x2c0 [ 20.291858][ T1327] ? kernel_text_address+0x149/0x170 [ 20.291861][ T1327] ? __kernel_text_address+0x12/0x30 [ 20.291862][ T1327] ? write_profile+0xf0/0xf0 [ 20.291867][ T1327] netif_change_flags+0xfe/0x190 [ 20.291871][ T1327] do_setlink.isra.0+0x1d25/0x2a60 [ 20.291874][ T1327] ? stack_trace_save+0x93/0xc0 [ 20.291876][ T1327] ? rtnl_link_get_size+0x350/0x350 [ 20.291878][ T1327] ? rcu_read_lock_any_held+0x66/0x90 [ 20.291880][ T1327] ? stack_depot_save_flags+0x38e/0x790 [ 20.291883][ T1327] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.291885][ T1327] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.291887][ T1327] ? validate_chain+0x38b/0xc20 [ 20.291889][ T1327] ? kasan_save_stack+0x3d/0x50 [ 20.291891][ T1327] ? kasan_save_stack+0x2f/0x50 [ 20.291892][ T1327] ? kasan_save_track+0x14/0x30 [ 20.291894][ T1327] ? __kasan_kmalloc+0x7b/0x90 [ 20.291896][ T1327] ? __lock_acquire+0x518/0xc20 [ 20.291898][ T1327] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 20.291901][ T1327] ? ___sys_sendmsg+0xd0/0x1d0 [ 20.291904][ T1327] ? lock_acquire.part.0+0xd4/0x280 [ 20.291906][ T1327] ? rtnl_newlink+0x9a8/0x11b0 [ 20.291909][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291911][ T1327] ? lock_acquire+0x13c/0x160 [ 20.291912][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291913][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291915][ T1327] ? trace_contention_end+0xb3/0x180 [ 20.291917][ T1327] ? __mutex_lock+0x1db/0x1ea0 [ 20.291920][ T1327] ? __mutex_lock+0x9a3/0x1ea0 [ 20.291922][ T1327] ? rtnl_newlink+0x9a8/0x11b0 [ 20.291925][ T1327] ? ww_mutex_lock+0x160/0x160 [ 20.291929][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.291931][ T1327] ? __rtnl_newlink+0x3fa/0xa50 [ 20.291936][ T1327] rtnl_newlink+0x9f1/0x11b0 [ 20.291941][ T1327] ? rtnl_bridge_getlink+0x850/0x850 [ 20.291943][ T1327] ? __lock_acquire+0x518/0xc20 [ 20.291947][ T1327] ? lock_acquire.part.0+0xd4/0x280 [ 20.291949][ T1327] ? find_held_lock+0x2b/0x80 [ 20.291951][ T1327] ? rtnl_bridge_getlink+0x850/0x850 [ 20.291953][ T1327] ? __lock_release.isra.0+0x69/0x1a0 [ 20.291957][ T1327] ? rtnl_bridge_getlink+0x850/0x850 [ 20.291959][ T1327] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.291962][ T1327] ? rtnl_link_fill+0x920/0x920 [ 20.291963][ T1327] ? __lock_acquire+0x518/0xc20 [ 20.291968][ T1327] ? lock_acquire.part.0+0xd4/0x280 [ 20.291969][ T1327] ? find_held_lock+0x2b/0x80 [ 20.291973][ T1327] netlink_rcv_skb+0x14e/0x3a0 [ 20.291975][ T1327] ? rtnl_link_fill+0x920/0x920 [ 20.291978][ T1327] ? netlink_ack+0xcf0/0xcf0 [ 20.291984][ T1327] ? netlink_deliver_tap+0xc5/0x330 [ 20.291986][ T1327] ? netlink_deliver_tap+0x13c/0x330 [ 20.291990][ T1327] netlink_unicast+0x486/0x750 [ 20.291994][ T1327] ? netlink_attachskb+0x810/0x810 [ 20.291997][ T1327] ? find_held_lock+0x2b/0x80 [ 20.292001][ T1327] netlink_sendmsg+0x75b/0xc90 [ 20.292005][ T1327] ? netlink_unicast+0x750/0x750 [ 20.292009][ T1327] ? __lock_release.isra.0+0x69/0x1a0 [ 20.292010][ T1327] ? __import_iovec+0x36c/0x620 [ 20.292015][ T1327] __sock_sendmsg+0xce/0x190 [ 20.292018][ T1327] ____sys_sendmsg+0x61a/0x860 [ 20.292020][ T1327] ? copy_msghdr_from_user+0x279/0x420 [ 20.292023][ T1327] ? sock_write_iter+0x400/0x400 [ 20.292024][ T1327] ? move_addr_to_kernel+0x40/0x40 [ 20.292031][ T1327] ___sys_sendmsg+0x14e/0x1d0 [ 20.292034][ T1327] ? copy_msghdr_from_user+0x420/0x420 [ 20.292050][ T1327] __sys_sendmsg+0x12c/0x1d0 [ 20.292052][ T1327] ? __sys_sendmsg_sock+0x20/0x20 [ 20.292058][ T1327] ? rcu_is_watching+0x16/0xd0 [ 20.292061][ T1327] do_syscall_64+0xff/0x530 [ 20.292064][ T1327] ? exc_page_fault+0xee/0x100 [ 20.292067][ T1327] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.292069][ T1327] RIP: 0033:0x7fcfc8cb954e [ 20.292071][ T1327] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 20.292073][ T1327] RSP: 002b:00007ffd5a63c1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.292076][ T1327] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcfc8cb954e [ 20.292077][ T1327] RDX: 0000000000000000 RSI: 00007ffd5a63c290 RDI: 0000000000000005 [ 20.292078][ T1327] RBP: 00007ffd5a63c1f0 R08: 0000000000000000 R09: 0000000000000000 [ 20.292079][ T1327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91700a [ 20.292079][ T1327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5a63c950 [ 20.292086][ T1327] [ 20.339270][ T1327] br: port 2(d2) entered forwarding state [ 20.367065][ T1329] br: port 1(d1) entered blocking state [ 20.367305][ T1329] br: port 1(d1) entered forwarding state [ 20.448158][ T1337] br: port 1(d1) entered disabled state [ 20.523257][ T1345] br: port 2(d2) entered disabled state [ 20.604033][ T1353] br: port 3(d3) entered disabled state [ 21.859270][ T57] br: port 3(d3) entered blocking state [ 21.859289][ T57] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.859291][ T57] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 57, name: kworker/u19:1 [ 21.859293][ T57] preempt_count: 202, expected: 0 [ 21.859294][ T57] RCU nest depth: 0, expected: 0 [ 21.859295][ T57] locks held by kworker/u19:1/57: 8, last CPU#1: [ 21.859297][ T57] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 21.859309][ T57] #1: ffa00000003dfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 21.859313][ T57] #2: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 21.859318][ T57] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 21.859324][ T57] #4: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.859328][ T57] #5: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.859331][ T57] #6: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.859335][ T57] #7: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.859339][ T57] irq event stamp: 63077 [ 21.859339][ T57] hardirqs last enabled at (63076): [] __down_trylock_console_sem+0x86/0xa0 [ 21.859343][ T57] hardirqs last disabled at (63077): [] console_emit_next_record+0x3d4/0x4c0 [ 21.859345][ T57] softirqs last enabled at (63038): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 21.859347][ T57] softirqs last disabled at (63072): [] br_port_carrier_check+0x161/0x430 [ 21.859350][ T57] Preemption disabled at: [ 21.859350][ T57] [<0000000000000000>] 0x0 [ 21.859357][ T57] CPU: 1 UID: 0 PID: 57 Comm: kworker/u19:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.859361][ T57] Tainted: [W]=WARN [ 21.859362][ T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.859363][ T57] Workqueue: events_unbound linkwatch_event [ 21.859366][ T57] Call Trace: [ 21.859368][ T57] [ 21.859370][ T57] dump_stack_lvl+0x6f/0xa0 [ 21.859376][ T57] __might_resched.cold+0x1fe/0x2c1 [ 21.859380][ T57] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.859384][ T57] ? __kmalloc_noprof+0xdb/0x760 [ 21.859389][ T57] __kmalloc_noprof+0x443/0x760 [ 21.859391][ T57] ? alloc_buf.isra.0+0x4b/0x260 [ 21.859397][ T57] ? do_raw_spin_unlock+0x59/0x250 [ 21.859400][ T57] alloc_buf.isra.0+0x4b/0x260 [ 21.859404][ T57] put_chars+0x1e1/0x2f0 [ 21.859406][ T57] ? __send_to_port+0x420/0x420 [ 21.859409][ T57] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.859412][ T57] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.859414][ T57] ? validate_chain+0x38b/0xc20 [ 21.859418][ T57] hvc_console_print+0x292/0x780 [ 21.859423][ T57] ? mark_usage+0x61/0x170 [ 21.859424][ T57] ? __lock_acquire+0x518/0xc20 [ 21.859426][ T57] ? __lock_acquire+0x518/0xc20 [ 21.859430][ T57] ? hvc_write+0x3a0/0x3a0 [ 21.859432][ T57] ? lock_acquire.part.0+0xd4/0x280 [ 21.859437][ T57] ? lock_acquire+0x13c/0x160 [ 21.859441][ T57] console_emit_next_record+0x22f/0x4c0 [ 21.859445][ T57] ? devkmsg_read+0x4b0/0x4b0 [ 21.859446][ T57] ? console_flush_one_record+0x106/0x710 [ 21.859450][ T57] ? rcu_is_watching+0x16/0xd0 [ 21.859451][ T57] ? lock_acquire+0x13c/0x160 [ 21.859456][ T57] console_flush_one_record+0x46f/0x710 [ 21.859460][ T57] ? console_emit_next_record+0x4c0/0x4c0 [ 21.859462][ T57] ? __lock_acquire+0x518/0xc20 [ 21.859467][ T57] console_unlock+0xee/0x1f0 [ 21.859470][ T57] ? console_flush_one_record+0x710/0x710 [ 21.859472][ T57] ? rcu_is_watching+0x16/0xd0 [ 21.859473][ T57] ? lock_acquire+0xe0/0x160 [ 21.859477][ T57] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.859479][ T57] ? vprintk_emit+0x320/0x3e0 [ 21.859481][ T57] vprintk_emit+0x37c/0x3e0 [ 21.859485][ T57] ? wake_up_klogd_work_func+0x90/0x90 [ 21.859487][ T57] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.859489][ T57] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.859492][ T57] _printk+0xc7/0x100 [ 21.859496][ T57] ? snapshot_read.cold+0x21/0x21 [ 21.859501][ T57] ? lock_acquire.part.0+0xd4/0x280 [ 21.859505][ T57] br_set_state+0x22f/0x430 [ 21.859509][ T57] br_init_port+0xc4/0x200 [ 21.859511][ T57] br_stp_enable_port+0x12/0x50 [ 21.859513][ T57] br_port_carrier_check+0x220/0x430 [ 21.859517][ T57] br_device_event+0x52d/0x8f0 [ 21.859520][ T57] ? packet_sendmsg_spkt+0x1360/0x1360 [ 21.859522][ T57] ? nlmsg_notify+0x62/0x250 [ 21.859528][ T57] notifier_call_chain+0xae/0x300 [ 21.859534][ T57] netif_state_change+0x139/0x3d0 [ 21.859539][ T57] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 21.859543][ T57] ? linkwatch_do_dev+0xae/0xd0 [ 21.859545][ T57] __linkwatch_run_queue+0x350/0x850 [ 21.859548][ T57] ? linkwatch_do_dev+0xd0/0xd0 [ 21.859551][ T57] ? lock_acquire.part.0+0xd4/0x280 [ 21.859555][ T57] linkwatch_event+0x7f/0xb0 [ 21.859557][ T57] ? __linkwatch_run_queue+0x850/0x850 [ 21.859561][ T57] process_one_work+0xe3e/0x1560 [ 21.859567][ T57] ? __queue_delayed_work+0x470/0x470 [ 21.859570][ T57] ? lock_acquire.part.0+0xd4/0x280 [ 21.859578][ T57] worker_thread+0x4f1/0xd60 [ 21.859582][ T57] ? rescuer_thread+0x1340/0x1340 [ 21.859584][ T57] ? __kthread_parkme+0xbd/0x210 [ 21.859587][ T57] ? rescuer_thread+0x1340/0x1340 [ 21.859589][ T57] ? rescuer_thread+0x1340/0x1340 [ 21.859591][ T57] kthread+0x367/0x460 [ 21.859593][ T57] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.859597][ T57] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.859600][ T57] ret_from_fork+0x474/0x6b0 [ 21.859604][ T57] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 21.859607][ T57] ? __switch_to+0x5a3/0xe00 [ 21.859610][ T57] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.859613][ T57] ret_from_fork_asm+0x11/0x20 [ 21.859621][ T57] [ 21.886973][ T57] br: port 3(d3) entered forwarding state [ 21.912632][ T46] br: port 2(d2) entered blocking state [ 21.912858][ T46] br: port 2(d2) entered forwarding state [ 21.944042][ T519] br: port 1(d1) entered blocking state [ 21.944255][ T519] br: port 1(d1) entered forwarding state [ 22.732624][ T1558] br: port 1(d1) entered disabled state [ 23.031045][ T1596] br: port 1(d1) entered blocking state [ 23.031064][ T1596] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.031066][ T1596] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1596, name: ip [ 23.031068][ T1596] preempt_count: 202, expected: 0 [ 23.031069][ T1596] RCU nest depth: 0, expected: 0 [ 23.031070][ T1596] locks held by ip/1596: 6, last CPU#2: [ 23.031071][ T1596] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 23.031083][ T1596] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 23.031088][ T1596] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.031093][ T1596] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.031097][ T1596] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.031101][ T1596] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.031105][ T1596] irq event stamp: 28859 [ 23.031106][ T1596] hardirqs last enabled at (28858): [] __down_trylock_console_sem+0x86/0xa0 [ 23.031109][ T1596] hardirqs last disabled at (28859): [] console_emit_next_record+0x3d4/0x4c0 [ 23.031111][ T1596] softirqs last enabled at (28820): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 23.031114][ T1596] softirqs last disabled at (28854): [] br_device_event+0x5fd/0x8f0 [ 23.031116][ T1596] Preemption disabled at: [ 23.031116][ T1596] [<0000000000000000>] 0x0 [ 23.031123][ T1596] CPU: 2 UID: 0 PID: 1596 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.031126][ T1596] Tainted: [W]=WARN [ 23.031127][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.031129][ T1596] Call Trace: [ 23.031130][ T1596] [ 23.031132][ T1596] dump_stack_lvl+0x6f/0xa0 [ 23.031138][ T1596] __might_resched.cold+0x1fe/0x2c1 [ 23.031143][ T1596] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.031147][ T1596] ? __kmalloc_noprof+0xdb/0x760 [ 23.031151][ T1596] __kmalloc_noprof+0x443/0x760 [ 23.031153][ T1596] ? alloc_buf.isra.0+0x4b/0x260 [ 23.031160][ T1596] ? do_raw_spin_unlock+0x59/0x250 [ 23.031163][ T1596] alloc_buf.isra.0+0x4b/0x260 [ 23.031166][ T1596] put_chars+0x1e1/0x2f0 [ 23.031169][ T1596] ? __send_to_port+0x420/0x420 [ 23.031170][ T1596] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.031173][ T1596] ? validate_chain+0x38b/0xc20 [ 23.031179][ T1596] hvc_console_print+0x292/0x780 [ 23.031186][ T1596] ? hvc_write+0x3a0/0x3a0 [ 23.031189][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031191][ T1596] ? lock_acquire+0x13c/0x160 [ 23.031195][ T1596] console_emit_next_record+0x22f/0x4c0 [ 23.031199][ T1596] ? devkmsg_read+0x4b0/0x4b0 [ 23.031201][ T1596] ? console_flush_one_record+0x106/0x710 [ 23.031204][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031205][ T1596] ? lock_acquire+0x13c/0x160 [ 23.031209][ T1596] console_flush_one_record+0x46f/0x710 [ 23.031214][ T1596] ? console_emit_next_record+0x4c0/0x4c0 [ 23.031215][ T1596] ? __lock_acquire+0x518/0xc20 [ 23.031221][ T1596] console_unlock+0xee/0x1f0 [ 23.031224][ T1596] ? console_flush_one_record+0x710/0x710 [ 23.031225][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031227][ T1596] ? lock_acquire+0xe0/0x160 [ 23.031231][ T1596] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.031233][ T1596] ? vprintk_emit+0x320/0x3e0 [ 23.031235][ T1596] vprintk_emit+0x37c/0x3e0 [ 23.031239][ T1596] ? wake_up_klogd_work_func+0x90/0x90 [ 23.031241][ T1596] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.031243][ T1596] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.031248][ T1596] _printk+0xc7/0x100 [ 23.031251][ T1596] ? snapshot_read.cold+0x21/0x21 [ 23.031256][ T1596] ? lock_acquire.part.0+0xd4/0x280 [ 23.031260][ T1596] br_set_state+0x22f/0x430 [ 23.031265][ T1596] br_init_port+0xc4/0x200 [ 23.031267][ T1596] br_stp_enable_port+0x12/0x50 [ 23.031269][ T1596] br_device_event+0x605/0x8f0 [ 23.031272][ T1596] ? packet_sendmsg_spkt+0x1360/0x1360 [ 23.031273][ T1596] ? nlmsg_notify+0x62/0x250 [ 23.031280][ T1596] notifier_call_chain+0xae/0x300 [ 23.031285][ T1596] __dev_notify_flags+0x1b7/0x450 [ 23.031291][ T1596] ? netif_change_name+0x8c0/0x8c0 [ 23.031294][ T1596] ? netif_set_allmulti+0x2c0/0x2c0 [ 23.031297][ T1596] ? kernel_text_address+0x149/0x170 [ 23.031300][ T1596] ? __kernel_text_address+0x12/0x30 [ 23.031301][ T1596] ? write_profile+0xf0/0xf0 [ 23.031306][ T1596] netif_change_flags+0xfe/0x190 [ 23.031310][ T1596] do_setlink.isra.0+0x1d25/0x2a60 [ 23.031313][ T1596] ? stack_trace_save+0x93/0xc0 [ 23.031315][ T1596] ? rtnl_link_get_size+0x350/0x350 [ 23.031316][ T1596] ? rcu_read_lock_any_held+0x66/0x90 [ 23.031318][ T1596] ? stack_depot_save_flags+0x38e/0x790 [ 23.031321][ T1596] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.031323][ T1596] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.031325][ T1596] ? validate_chain+0x38b/0xc20 [ 23.031328][ T1596] ? kasan_save_stack+0x3d/0x50 [ 23.031330][ T1596] ? kasan_save_stack+0x2f/0x50 [ 23.031331][ T1596] ? kasan_save_track+0x14/0x30 [ 23.031332][ T1596] ? __kasan_kmalloc+0x7b/0x90 [ 23.031334][ T1596] ? __lock_acquire+0x518/0xc20 [ 23.031336][ T1596] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 23.031339][ T1596] ? ___sys_sendmsg+0xd0/0x1d0 [ 23.031343][ T1596] ? lock_acquire.part.0+0xd4/0x280 [ 23.031345][ T1596] ? rtnl_newlink+0x9a8/0x11b0 [ 23.031348][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031349][ T1596] ? lock_acquire+0x13c/0x160 [ 23.031351][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031352][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031354][ T1596] ? trace_contention_end+0xb3/0x180 [ 23.031356][ T1596] ? __mutex_lock+0x1db/0x1ea0 [ 23.031359][ T1596] ? __mutex_lock+0x9a3/0x1ea0 [ 23.031361][ T1596] ? rtnl_newlink+0x9a8/0x11b0 [ 23.031364][ T1596] ? ww_mutex_lock+0x160/0x160 [ 23.031368][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031370][ T1596] ? __rtnl_newlink+0x3fa/0xa50 [ 23.031375][ T1596] rtnl_newlink+0x9f1/0x11b0 [ 23.031380][ T1596] ? rtnl_bridge_getlink+0x850/0x850 [ 23.031382][ T1596] ? __lock_acquire+0x518/0xc20 [ 23.031386][ T1596] ? lock_acquire.part.0+0xd4/0x280 [ 23.031388][ T1596] ? find_held_lock+0x2b/0x80 [ 23.031390][ T1596] ? rtnl_bridge_getlink+0x850/0x850 [ 23.031392][ T1596] ? __lock_release.isra.0+0x69/0x1a0 [ 23.031396][ T1596] ? rtnl_bridge_getlink+0x850/0x850 [ 23.031398][ T1596] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.031401][ T1596] ? rtnl_link_fill+0x920/0x920 [ 23.031402][ T1596] ? __lock_acquire+0x518/0xc20 [ 23.031407][ T1596] ? lock_acquire.part.0+0xd4/0x280 [ 23.031409][ T1596] ? find_held_lock+0x2b/0x80 [ 23.031412][ T1596] netlink_rcv_skb+0x14e/0x3a0 [ 23.031414][ T1596] ? rtnl_link_fill+0x920/0x920 [ 23.031417][ T1596] ? netlink_ack+0xcf0/0xcf0 [ 23.031423][ T1596] ? netlink_deliver_tap+0xc5/0x330 [ 23.031425][ T1596] ? netlink_deliver_tap+0x13c/0x330 [ 23.031429][ T1596] netlink_unicast+0x486/0x750 [ 23.031433][ T1596] ? netlink_attachskb+0x810/0x810 [ 23.031436][ T1596] ? find_held_lock+0x2b/0x80 [ 23.031440][ T1596] netlink_sendmsg+0x75b/0xc90 [ 23.031444][ T1596] ? netlink_unicast+0x750/0x750 [ 23.031448][ T1596] ? __lock_release.isra.0+0x69/0x1a0 [ 23.031449][ T1596] ? __import_iovec+0x36c/0x620 [ 23.031454][ T1596] __sock_sendmsg+0xce/0x190 [ 23.031457][ T1596] ____sys_sendmsg+0x61a/0x860 [ 23.031459][ T1596] ? copy_msghdr_from_user+0x279/0x420 [ 23.031462][ T1596] ? sock_write_iter+0x400/0x400 [ 23.031463][ T1596] ? move_addr_to_kernel+0x40/0x40 [ 23.031470][ T1596] ___sys_sendmsg+0x14e/0x1d0 [ 23.031473][ T1596] ? copy_msghdr_from_user+0x420/0x420 [ 23.031489][ T1596] __sys_sendmsg+0x12c/0x1d0 [ 23.031491][ T1596] ? __sys_sendmsg_sock+0x20/0x20 [ 23.031497][ T1596] ? rcu_is_watching+0x16/0xd0 [ 23.031500][ T1596] do_syscall_64+0xff/0x530 [ 23.031503][ T1596] ? exc_page_fault+0xee/0x100 [ 23.031506][ T1596] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.031508][ T1596] RIP: 0033:0x7f98d295454e [ 23.031510][ T1596] 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 [ 23.031512][ T1596] RSP: 002b:00007ffc39abae60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.031515][ T1596] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f98d295454e [ 23.031516][ T1596] RDX: 0000000000000000 RSI: 00007ffc39abaf10 RDI: 0000000000000005 [ 23.031517][ T1596] RBP: 00007ffc39abae70 R08: 0000000000000000 R09: 0000000000000000 [ 23.031518][ T1596] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91700d [ 23.031518][ T1596] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc39abb5d0 [ 23.031525][ T1596] [ 23.074903][ T1596] br: port 1(d1) entered forwarding state [ 23.162974][ T1604] br: port 2(d2) entered disabled state [ 23.457848][ T1642] br: port 2(d2) entered blocking state [ 23.458120][ T1642] br: port 2(d2) entered forwarding state [ 23.537277][ T1650] br: port 1(d1) entered disabled state [ 23.613834][ T1658] br: port 2(d2) entered disabled state [ 23.907536][ T46] br: port 2(d2) entered blocking state [ 23.907793][ T46] br: port 2(d2) entered forwarding state [ 23.932703][ T36] br: port 1(d1) entered blocking state [ 23.932941][ T36] br: port 1(d1) entered forwarding state [ 24.021492][ T1706] br: port 1(d1) entered disabled state [ 24.104027][ T1714] br: port 2(d2) entered disabled state [ 24.104038][ T1714] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.104040][ T1714] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1714, name: ip [ 24.104042][ T1714] preempt_count: 202, expected: 0 [ 24.104042][ T1714] RCU nest depth: 0, expected: 0 [ 24.104043][ T1714] locks held by ip/1714: 6, last CPU#1: [ 24.104045][ T1714] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 24.104057][ T1714] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 24.104062][ T1714] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.104067][ T1714] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.104071][ T1714] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.104074][ T1714] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.104078][ T1714] irq event stamp: 19567 [ 24.104079][ T1714] hardirqs last enabled at (19566): [] __down_trylock_console_sem+0x86/0xa0 [ 24.104082][ T1714] hardirqs last disabled at (19567): [] console_emit_next_record+0x3d4/0x4c0 [ 24.104084][ T1714] softirqs last enabled at (19550): [] ipv6_mc_down+0x134/0x2d0 [ 24.104087][ T1714] softirqs last disabled at (19562): [] br_device_event+0x1d7/0x8f0 [ 24.104089][ T1714] Preemption disabled at: [ 24.104090][ T1714] [<0000000000000000>] 0x0 [ 24.104096][ T1714] CPU: 1 UID: 0 PID: 1714 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.104099][ T1714] Tainted: [W]=WARN [ 24.104100][ T1714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.104102][ T1714] Call Trace: [ 24.104103][ T1714] [ 24.104105][ T1714] dump_stack_lvl+0x6f/0xa0 [ 24.104111][ T1714] __might_resched.cold+0x1fe/0x2c1 [ 24.104116][ T1714] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.104120][ T1714] ? __kmalloc_noprof+0xdb/0x760 [ 24.104124][ T1714] __kmalloc_noprof+0x443/0x760 [ 24.104126][ T1714] ? alloc_buf.isra.0+0x4b/0x260 [ 24.104133][ T1714] ? do_raw_spin_unlock+0x59/0x250 [ 24.104136][ T1714] alloc_buf.isra.0+0x4b/0x260 [ 24.104139][ T1714] put_chars+0x1e1/0x2f0 [ 24.104142][ T1714] ? __send_to_port+0x420/0x420 [ 24.104148][ T1714] hvc_console_print+0x292/0x780 [ 24.104155][ T1714] ? hvc_write+0x3a0/0x3a0 [ 24.104158][ T1714] ? lock_acquire+0x13c/0x160 [ 24.104163][ T1714] console_emit_next_record+0x22f/0x4c0 [ 24.104167][ T1714] ? devkmsg_read+0x4b0/0x4b0 [ 24.104169][ T1714] ? console_flush_one_record+0x106/0x710 [ 24.104172][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104175][ T1714] ? lock_acquire+0x13c/0x160 [ 24.104179][ T1714] console_flush_one_record+0x46f/0x710 [ 24.104183][ T1714] ? console_emit_next_record+0x4c0/0x4c0 [ 24.104185][ T1714] ? __lock_acquire+0x518/0xc20 [ 24.104190][ T1714] console_unlock+0xee/0x1f0 [ 24.104193][ T1714] ? console_flush_one_record+0x710/0x710 [ 24.104195][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104196][ T1714] ? lock_acquire+0xe0/0x160 [ 24.104200][ T1714] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.104202][ T1714] ? vprintk_emit+0x320/0x3e0 [ 24.104205][ T1714] vprintk_emit+0x37c/0x3e0 [ 24.104207][ T1714] ? wake_up_klogd_work_func+0x90/0x90 [ 24.104209][ T1714] ? mark_held_locks+0x40/0x70 [ 24.104211][ T1714] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.104213][ T1714] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.104217][ T1714] _printk+0xc7/0x100 [ 24.104221][ T1714] ? snapshot_read.cold+0x21/0x21 [ 24.104228][ T1714] br_set_state+0x22f/0x430 [ 24.104233][ T1714] br_stp_disable_port+0x11f/0x390 [ 24.104236][ T1714] br_device_event+0x7b5/0x8f0 [ 24.104238][ T1714] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.104241][ T1714] ? packet_sendmsg_spkt+0x1360/0x1360 [ 24.104247][ T1714] notifier_call_chain+0xae/0x300 [ 24.104253][ T1714] __dev_notify_flags+0x23c/0x450 [ 24.104257][ T1714] ? netif_change_name+0x8c0/0x8c0 [ 24.104261][ T1714] ? netif_set_allmulti+0x2c0/0x2c0 [ 24.104264][ T1714] ? __kernel_text_address+0x12/0x30 [ 24.104267][ T1714] ? write_profile+0xf0/0xf0 [ 24.104272][ T1714] netif_change_flags+0xfe/0x190 [ 24.104275][ T1714] do_setlink.isra.0+0x1d25/0x2a60 [ 24.104279][ T1714] ? stack_trace_save+0x93/0xc0 [ 24.104281][ T1714] ? rtnl_link_get_size+0x350/0x350 [ 24.104282][ T1714] ? rcu_read_lock_any_held+0x66/0x90 [ 24.104284][ T1714] ? stack_depot_save_flags+0x38e/0x790 [ 24.104287][ T1714] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.104289][ T1714] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.104291][ T1714] ? validate_chain+0x38b/0xc20 [ 24.104294][ T1714] ? kasan_save_stack+0x3d/0x50 [ 24.104296][ T1714] ? kasan_save_stack+0x2f/0x50 [ 24.104297][ T1714] ? kasan_save_track+0x14/0x30 [ 24.104298][ T1714] ? __kasan_kmalloc+0x7b/0x90 [ 24.104301][ T1714] ? __lock_acquire+0x518/0xc20 [ 24.104303][ T1714] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 24.104305][ T1714] ? ___sys_sendmsg+0xd0/0x1d0 [ 24.104309][ T1714] ? lock_acquire.part.0+0xd4/0x280 [ 24.104311][ T1714] ? rtnl_newlink+0x9a8/0x11b0 [ 24.104314][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104316][ T1714] ? lock_acquire+0x13c/0x160 [ 24.104317][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104318][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104320][ T1714] ? trace_contention_end+0xb3/0x180 [ 24.104322][ T1714] ? __mutex_lock+0x1db/0x1ea0 [ 24.104324][ T1714] ? __mutex_lock+0x9a3/0x1ea0 [ 24.104326][ T1714] ? rtnl_newlink+0x9a8/0x11b0 [ 24.104329][ T1714] ? ww_mutex_lock+0x160/0x160 [ 24.104332][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104335][ T1714] ? __rtnl_newlink+0x3fa/0xa50 [ 24.104340][ T1714] rtnl_newlink+0x9f1/0x11b0 [ 24.104345][ T1714] ? rtnl_bridge_getlink+0x850/0x850 [ 24.104347][ T1714] ? __lock_acquire+0x518/0xc20 [ 24.104352][ T1714] ? lock_acquire.part.0+0xd4/0x280 [ 24.104354][ T1714] ? find_held_lock+0x2b/0x80 [ 24.104356][ T1714] ? rtnl_bridge_getlink+0x850/0x850 [ 24.104358][ T1714] ? __lock_release.isra.0+0x69/0x1a0 [ 24.104361][ T1714] ? rtnl_bridge_getlink+0x850/0x850 [ 24.104363][ T1714] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.104366][ T1714] ? rtnl_link_fill+0x920/0x920 [ 24.104368][ T1714] ? __lock_acquire+0x518/0xc20 [ 24.104372][ T1714] ? lock_acquire.part.0+0xd4/0x280 [ 24.104374][ T1714] ? find_held_lock+0x2b/0x80 [ 24.104378][ T1714] netlink_rcv_skb+0x14e/0x3a0 [ 24.104380][ T1714] ? rtnl_link_fill+0x920/0x920 [ 24.104383][ T1714] ? netlink_ack+0xcf0/0xcf0 [ 24.104390][ T1714] ? netlink_deliver_tap+0xc5/0x330 [ 24.104392][ T1714] ? netlink_deliver_tap+0x13c/0x330 [ 24.104396][ T1714] netlink_unicast+0x486/0x750 [ 24.104400][ T1714] ? netlink_attachskb+0x810/0x810 [ 24.104403][ T1714] ? find_held_lock+0x2b/0x80 [ 24.104407][ T1714] netlink_sendmsg+0x75b/0xc90 [ 24.104411][ T1714] ? netlink_unicast+0x750/0x750 [ 24.104415][ T1714] ? __lock_release.isra.0+0x69/0x1a0 [ 24.104416][ T1714] ? __import_iovec+0x36c/0x620 [ 24.104422][ T1714] __sock_sendmsg+0xce/0x190 [ 24.104425][ T1714] ____sys_sendmsg+0x61a/0x860 [ 24.104427][ T1714] ? copy_msghdr_from_user+0x279/0x420 [ 24.104429][ T1714] ? sock_write_iter+0x400/0x400 [ 24.104431][ T1714] ? move_addr_to_kernel+0x40/0x40 [ 24.104438][ T1714] ___sys_sendmsg+0x14e/0x1d0 [ 24.104441][ T1714] ? copy_msghdr_from_user+0x420/0x420 [ 24.104457][ T1714] __sys_sendmsg+0x12c/0x1d0 [ 24.104459][ T1714] ? __sys_sendmsg_sock+0x20/0x20 [ 24.104466][ T1714] ? rcu_is_watching+0x16/0xd0 [ 24.104469][ T1714] do_syscall_64+0xff/0x530 [ 24.104472][ T1714] ? exc_page_fault+0xee/0x100 [ 24.104475][ T1714] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.104477][ T1714] RIP: 0033:0x7fcc746c754e [ 24.104479][ T1714] 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 [ 24.104481][ T1714] RSP: 002b:00007fff6234bf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.104483][ T1714] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc746c754e [ 24.104485][ T1714] RDX: 0000000000000000 RSI: 00007fff6234c040 RDI: 0000000000000005 [ 24.104486][ T1714] RBP: 00007fff6234bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 24.104487][ T1714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91700e [ 24.104487][ T1714] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6234c700 [ 24.104494][ T1714] [ 24.220863][ T1722] br: port 3(d3) entered disabled state [ 24.527147][ T1760] br: port 3(d3) entered blocking state [ 24.527411][ T1760] br: port 3(d3) entered forwarding state [ 24.555908][ T1762] br: port 2(d2) entered blocking state [ 24.556155][ T1762] br: port 2(d2) entered forwarding state [ 24.589920][ T1764] br: port 1(d1) entered blocking state [ 24.590166][ T1764] br: port 1(d1) entered forwarding state [ 25.320601][ T1821] br: port 1(d1) entered disabled state [ 25.320619][ T1821] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.320621][ T1821] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1821, name: ip [ 25.320622][ T1821] preempt_count: 202, expected: 0 [ 25.320623][ T1821] RCU nest depth: 0, expected: 0 [ 25.320624][ T1821] locks held by ip/1821: 6, last CPU#3: [ 25.320626][ T1821] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 25.320638][ T1821] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 25.320643][ T1821] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.320648][ T1821] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.320653][ T1821] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.320656][ T1821] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.320660][ T1821] irq event stamp: 29997 [ 25.320661][ T1821] hardirqs last enabled at (29996): [] __down_trylock_console_sem+0x86/0xa0 [ 25.320665][ T1821] hardirqs last disabled at (29997): [] console_emit_next_record+0x3d4/0x4c0 [ 25.320667][ T1821] softirqs last enabled at (29980): [] ipv6_mc_down+0x134/0x2d0 [ 25.320670][ T1821] softirqs last disabled at (29992): [] br_device_event+0x1d7/0x8f0 [ 25.320672][ T1821] Preemption disabled at: [ 25.320673][ T1821] [<0000000000000000>] 0x0 [ 25.320679][ T1821] CPU: 3 UID: 0 PID: 1821 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.320683][ T1821] Tainted: [W]=WARN [ 25.320684][ T1821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.320685][ T1821] Call Trace: [ 25.320687][ T1821] [ 25.320688][ T1821] dump_stack_lvl+0x6f/0xa0 [ 25.320695][ T1821] __might_resched.cold+0x1fe/0x2c1 [ 25.320699][ T1821] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.320704][ T1821] ? __kmalloc_noprof+0xdb/0x760 [ 25.320708][ T1821] __kmalloc_noprof+0x443/0x760 [ 25.320710][ T1821] ? alloc_buf.isra.0+0x4b/0x260 [ 25.320716][ T1821] ? do_raw_spin_unlock+0x59/0x250 [ 25.320719][ T1821] alloc_buf.isra.0+0x4b/0x260 [ 25.320723][ T1821] put_chars+0x1e1/0x2f0 [ 25.320725][ T1821] ? __send_to_port+0x420/0x420 [ 25.320732][ T1821] hvc_console_print+0x292/0x780 [ 25.320739][ T1821] ? hvc_write+0x3a0/0x3a0 [ 25.320742][ T1821] ? lock_acquire+0x13c/0x160 [ 25.320747][ T1821] console_emit_next_record+0x22f/0x4c0 [ 25.320751][ T1821] ? devkmsg_read+0x4b0/0x4b0 [ 25.320753][ T1821] ? console_flush_one_record+0x106/0x710 [ 25.320756][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.320759][ T1821] ? lock_acquire+0x13c/0x160 [ 25.320763][ T1821] console_flush_one_record+0x46f/0x710 [ 25.320767][ T1821] ? console_emit_next_record+0x4c0/0x4c0 [ 25.320771][ T1821] ? __lock_acquire+0x518/0xc20 [ 25.320776][ T1821] console_unlock+0xee/0x1f0 [ 25.320779][ T1821] ? console_flush_one_record+0x710/0x710 [ 25.320781][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.320783][ T1821] ? lock_acquire+0xe0/0x160 [ 25.320786][ T1821] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.320788][ T1821] ? vprintk_emit+0x320/0x3e0 [ 25.320791][ T1821] vprintk_emit+0x37c/0x3e0 [ 25.320794][ T1821] ? wake_up_klogd_work_func+0x90/0x90 [ 25.320795][ T1821] ? mark_held_locks+0x40/0x70 [ 25.320798][ T1821] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.320800][ T1821] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.320805][ T1821] _printk+0xc7/0x100 [ 25.320808][ T1821] ? snapshot_read.cold+0x21/0x21 [ 25.320815][ T1821] br_set_state+0x22f/0x430 [ 25.320820][ T1821] br_stp_disable_port+0x11f/0x390 [ 25.320824][ T1821] br_device_event+0x7b5/0x8f0 [ 25.320826][ T1821] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 25.320830][ T1821] ? packet_sendmsg_spkt+0x1360/0x1360 [ 25.320835][ T1821] notifier_call_chain+0xae/0x300 [ 25.320841][ T1821] __dev_notify_flags+0x23c/0x450 [ 25.320846][ T1821] ? netif_change_name+0x8c0/0x8c0 [ 25.320850][ T1821] ? netif_set_allmulti+0x2c0/0x2c0 [ 25.320853][ T1821] ? __kernel_text_address+0x12/0x30 [ 25.320855][ T1821] ? write_profile+0xf0/0xf0 [ 25.320860][ T1821] netif_change_flags+0xfe/0x190 [ 25.320864][ T1821] do_setlink.isra.0+0x1d25/0x2a60 [ 25.320867][ T1821] ? stack_trace_save+0x93/0xc0 [ 25.320869][ T1821] ? rtnl_link_get_size+0x350/0x350 [ 25.320871][ T1821] ? rcu_read_lock_any_held+0x66/0x90 [ 25.320873][ T1821] ? stack_depot_save_flags+0x38e/0x790 [ 25.320876][ T1821] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.320878][ T1821] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.320880][ T1821] ? validate_chain+0x38b/0xc20 [ 25.320882][ T1821] ? kasan_save_stack+0x3d/0x50 [ 25.320884][ T1821] ? kasan_save_stack+0x2f/0x50 [ 25.320886][ T1821] ? kasan_save_track+0x14/0x30 [ 25.320887][ T1821] ? __kasan_kmalloc+0x7b/0x90 [ 25.320889][ T1821] ? __lock_acquire+0x518/0xc20 [ 25.320891][ T1821] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 25.320898][ T1821] ? ___sys_sendmsg+0xd0/0x1d0 [ 25.320902][ T1821] ? lock_acquire.part.0+0xd4/0x280 [ 25.320904][ T1821] ? rtnl_newlink+0x9a8/0x11b0 [ 25.320907][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.320909][ T1821] ? lock_acquire+0x13c/0x160 [ 25.320910][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.320911][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.320913][ T1821] ? trace_contention_end+0xb3/0x180 [ 25.320915][ T1821] ? __mutex_lock+0x1db/0x1ea0 [ 25.320916][ T1821] ? __mutex_lock+0x9a3/0x1ea0 [ 25.320918][ T1821] ? rtnl_newlink+0x9a8/0x11b0 [ 25.320922][ T1821] ? ww_mutex_lock+0x160/0x160 [ 25.320925][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.320927][ T1821] ? __rtnl_newlink+0x3fa/0xa50 [ 25.320933][ T1821] rtnl_newlink+0x9f1/0x11b0 [ 25.320938][ T1821] ? rtnl_bridge_getlink+0x850/0x850 [ 25.320940][ T1821] ? __lock_acquire+0x518/0xc20 [ 25.320944][ T1821] ? lock_acquire.part.0+0xd4/0x280 [ 25.320946][ T1821] ? find_held_lock+0x2b/0x80 [ 25.320948][ T1821] ? rtnl_bridge_getlink+0x850/0x850 [ 25.320950][ T1821] ? __lock_release.isra.0+0x69/0x1a0 [ 25.320954][ T1821] ? rtnl_bridge_getlink+0x850/0x850 [ 25.320956][ T1821] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 25.320959][ T1821] ? rtnl_link_fill+0x920/0x920 [ 25.320960][ T1821] ? __lock_acquire+0x518/0xc20 [ 25.320965][ T1821] ? lock_acquire.part.0+0xd4/0x280 [ 25.320967][ T1821] ? find_held_lock+0x2b/0x80 [ 25.320970][ T1821] netlink_rcv_skb+0x14e/0x3a0 [ 25.320975][ T1821] ? rtnl_link_fill+0x920/0x920 [ 25.320977][ T1821] ? netlink_ack+0xcf0/0xcf0 [ 25.320984][ T1821] ? netlink_deliver_tap+0xc5/0x330 [ 25.320986][ T1821] ? netlink_deliver_tap+0x13c/0x330 [ 25.320990][ T1821] netlink_unicast+0x486/0x750 [ 25.320994][ T1821] ? netlink_attachskb+0x810/0x810 [ 25.320997][ T1821] ? find_held_lock+0x2b/0x80 [ 25.321001][ T1821] netlink_sendmsg+0x75b/0xc90 [ 25.321005][ T1821] ? netlink_unicast+0x750/0x750 [ 25.321009][ T1821] ? __lock_release.isra.0+0x69/0x1a0 [ 25.321010][ T1821] ? __import_iovec+0x36c/0x620 [ 25.321016][ T1821] __sock_sendmsg+0xce/0x190 [ 25.321019][ T1821] ____sys_sendmsg+0x61a/0x860 [ 25.321021][ T1821] ? copy_msghdr_from_user+0x279/0x420 [ 25.321023][ T1821] ? sock_write_iter+0x400/0x400 [ 25.321025][ T1821] ? move_addr_to_kernel+0x40/0x40 [ 25.321032][ T1821] ___sys_sendmsg+0x14e/0x1d0 [ 25.321035][ T1821] ? copy_msghdr_from_user+0x420/0x420 [ 25.321050][ T1821] __sys_sendmsg+0x12c/0x1d0 [ 25.321053][ T1821] ? __sys_sendmsg_sock+0x20/0x20 [ 25.321059][ T1821] ? rcu_is_watching+0x16/0xd0 [ 25.321062][ T1821] do_syscall_64+0xff/0x530 [ 25.321065][ T1821] ? exc_page_fault+0xee/0x100 [ 25.321068][ T1821] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.321070][ T1821] RIP: 0033:0x7fcc22a9254e [ 25.321073][ T1821] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 25.321074][ T1821] RSP: 002b:00007ffe7a86df80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.321077][ T1821] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc22a9254e [ 25.321078][ T1821] RDX: 0000000000000000 RSI: 00007ffe7a86e030 RDI: 0000000000000005 [ 25.321079][ T1821] RBP: 00007ffe7a86df90 R08: 0000000000000000 R09: 0000000000000000 [ 25.321080][ T1821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91700f [ 25.321081][ T1821] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7a86e6f0 [ 25.321088][ T1821] [ 25.657058][ T36] br: port 1(d1) entered blocking state [ 25.657298][ T36] br: port 1(d1) entered forwarding state [ 25.737535][ T1867] br: port 2(d2) entered disabled state [ 26.038430][ T1905] br: port 2(d2) entered blocking state [ 26.038690][ T1905] br: port 2(d2) entered forwarding state [ 26.108145][ T1913] br: port 1(d1) entered disabled state [ 26.196567][ T1921] br: port 2(d2) entered disabled state [ 26.479121][ T1959] br: port 2(d2) entered blocking state [ 26.479140][ T1959] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.479142][ T1959] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1959, name: ip [ 26.479143][ T1959] preempt_count: 202, expected: 0 [ 26.479144][ T1959] RCU nest depth: 0, expected: 0 [ 26.479145][ T1959] locks held by ip/1959: 6, last CPU#2: [ 26.479147][ T1959] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.479159][ T1959] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 26.479164][ T1959] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.479169][ T1959] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.479174][ T1959] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.479177][ T1959] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.479181][ T1959] irq event stamp: 13419 [ 26.479182][ T1959] hardirqs last enabled at (13418): [] __down_trylock_console_sem+0x86/0xa0 [ 26.479185][ T1959] hardirqs last disabled at (13419): [] console_emit_next_record+0x3d4/0x4c0 [ 26.479188][ T1959] softirqs last enabled at (13380): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 26.479190][ T1959] softirqs last disabled at (13414): [] br_device_event+0x5fd/0x8f0 [ 26.479192][ T1959] Preemption disabled at: [ 26.479193][ T1959] [<0000000000000000>] 0x0 [ 26.479200][ T1959] CPU: 2 UID: 0 PID: 1959 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.479203][ T1959] Tainted: [W]=WARN [ 26.479204][ T1959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.479205][ T1959] Call Trace: [ 26.479207][ T1959] [ 26.479208][ T1959] dump_stack_lvl+0x6f/0xa0 [ 26.479215][ T1959] __might_resched.cold+0x1fe/0x2c1 [ 26.479219][ T1959] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.479223][ T1959] ? __kmalloc_noprof+0xdb/0x760 [ 26.479227][ T1959] __kmalloc_noprof+0x443/0x760 [ 26.479229][ T1959] ? alloc_buf.isra.0+0x4b/0x260 [ 26.479236][ T1959] ? do_raw_spin_unlock+0x59/0x250 [ 26.479238][ T1959] alloc_buf.isra.0+0x4b/0x260 [ 26.479242][ T1959] put_chars+0x1e1/0x2f0 [ 26.479245][ T1959] ? __send_to_port+0x420/0x420 [ 26.479246][ T1959] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.479249][ T1959] ? validate_chain+0x38b/0xc20 [ 26.479254][ T1959] hvc_console_print+0x292/0x780 [ 26.479262][ T1959] ? hvc_write+0x3a0/0x3a0 [ 26.479265][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479266][ T1959] ? lock_acquire+0x13c/0x160 [ 26.479270][ T1959] console_emit_next_record+0x22f/0x4c0 [ 26.479274][ T1959] ? devkmsg_read+0x4b0/0x4b0 [ 26.479276][ T1959] ? console_flush_one_record+0x106/0x710 [ 26.479279][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479281][ T1959] ? lock_acquire+0x13c/0x160 [ 26.479285][ T1959] console_flush_one_record+0x46f/0x710 [ 26.479289][ T1959] ? console_emit_next_record+0x4c0/0x4c0 [ 26.479291][ T1959] ? __lock_acquire+0x518/0xc20 [ 26.479296][ T1959] console_unlock+0xee/0x1f0 [ 26.479299][ T1959] ? console_flush_one_record+0x710/0x710 [ 26.479301][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479302][ T1959] ? lock_acquire+0xe0/0x160 [ 26.479306][ T1959] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.479308][ T1959] ? vprintk_emit+0x320/0x3e0 [ 26.479311][ T1959] vprintk_emit+0x37c/0x3e0 [ 26.479314][ T1959] ? wake_up_klogd_work_func+0x90/0x90 [ 26.479316][ T1959] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.479318][ T1959] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.479322][ T1959] _printk+0xc7/0x100 [ 26.479326][ T1959] ? snapshot_read.cold+0x21/0x21 [ 26.479331][ T1959] ? lock_acquire.part.0+0xd4/0x280 [ 26.479335][ T1959] br_set_state+0x22f/0x430 [ 26.479340][ T1959] br_init_port+0xc4/0x200 [ 26.479342][ T1959] br_stp_enable_port+0x12/0x50 [ 26.479344][ T1959] br_device_event+0x605/0x8f0 [ 26.479347][ T1959] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.479348][ T1959] ? nlmsg_notify+0x62/0x250 [ 26.479355][ T1959] notifier_call_chain+0xae/0x300 [ 26.479360][ T1959] __dev_notify_flags+0x1b7/0x450 [ 26.479365][ T1959] ? netif_change_name+0x8c0/0x8c0 [ 26.479369][ T1959] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.479371][ T1959] ? kernel_text_address+0x149/0x170 [ 26.479374][ T1959] ? __kernel_text_address+0x12/0x30 [ 26.479376][ T1959] ? write_profile+0xf0/0xf0 [ 26.479381][ T1959] netif_change_flags+0xfe/0x190 [ 26.479385][ T1959] do_setlink.isra.0+0x1d25/0x2a60 [ 26.479388][ T1959] ? stack_trace_save+0x93/0xc0 [ 26.479390][ T1959] ? rtnl_link_get_size+0x350/0x350 [ 26.479392][ T1959] ? rcu_read_lock_any_held+0x66/0x90 [ 26.479393][ T1959] ? stack_depot_save_flags+0x38e/0x790 [ 26.479397][ T1959] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.479399][ T1959] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.479400][ T1959] ? validate_chain+0x38b/0xc20 [ 26.479403][ T1959] ? kasan_save_stack+0x3d/0x50 [ 26.479405][ T1959] ? kasan_save_stack+0x2f/0x50 [ 26.479406][ T1959] ? kasan_save_track+0x14/0x30 [ 26.479407][ T1959] ? __kasan_kmalloc+0x7b/0x90 [ 26.479410][ T1959] ? __lock_acquire+0x518/0xc20 [ 26.479412][ T1959] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 26.479415][ T1959] ? ___sys_sendmsg+0xd0/0x1d0 [ 26.479419][ T1959] ? lock_acquire.part.0+0xd4/0x280 [ 26.479421][ T1959] ? rtnl_newlink+0x9a8/0x11b0 [ 26.479423][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479425][ T1959] ? lock_acquire+0x13c/0x160 [ 26.479426][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479427][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479429][ T1959] ? trace_contention_end+0xb3/0x180 [ 26.479432][ T1959] ? __mutex_lock+0x1db/0x1ea0 [ 26.479434][ T1959] ? __mutex_lock+0x9a3/0x1ea0 [ 26.479436][ T1959] ? rtnl_newlink+0x9a8/0x11b0 [ 26.479439][ T1959] ? ww_mutex_lock+0x160/0x160 [ 26.479443][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479445][ T1959] ? __rtnl_newlink+0x3fa/0xa50 [ 26.479450][ T1959] rtnl_newlink+0x9f1/0x11b0 [ 26.479456][ T1959] ? rtnl_bridge_getlink+0x850/0x850 [ 26.479458][ T1959] ? __lock_acquire+0x518/0xc20 [ 26.479462][ T1959] ? lock_acquire.part.0+0xd4/0x280 [ 26.479464][ T1959] ? find_held_lock+0x2b/0x80 [ 26.479466][ T1959] ? rtnl_bridge_getlink+0x850/0x850 [ 26.479468][ T1959] ? __lock_release.isra.0+0x69/0x1a0 [ 26.479472][ T1959] ? rtnl_bridge_getlink+0x850/0x850 [ 26.479474][ T1959] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.479477][ T1959] ? rtnl_link_fill+0x920/0x920 [ 26.479478][ T1959] ? __lock_acquire+0x518/0xc20 [ 26.479483][ T1959] ? lock_acquire.part.0+0xd4/0x280 [ 26.479485][ T1959] ? find_held_lock+0x2b/0x80 [ 26.479488][ T1959] netlink_rcv_skb+0x14e/0x3a0 [ 26.479490][ T1959] ? rtnl_link_fill+0x920/0x920 [ 26.479493][ T1959] ? netlink_ack+0xcf0/0xcf0 [ 26.479499][ T1959] ? netlink_deliver_tap+0xc5/0x330 [ 26.479502][ T1959] ? netlink_deliver_tap+0x13c/0x330 [ 26.479506][ T1959] netlink_unicast+0x486/0x750 [ 26.479510][ T1959] ? netlink_attachskb+0x810/0x810 [ 26.479513][ T1959] ? find_held_lock+0x2b/0x80 [ 26.479517][ T1959] netlink_sendmsg+0x75b/0xc90 [ 26.479521][ T1959] ? netlink_unicast+0x750/0x750 [ 26.479525][ T1959] ? __lock_release.isra.0+0x69/0x1a0 [ 26.479526][ T1959] ? __import_iovec+0x36c/0x620 [ 26.479532][ T1959] __sock_sendmsg+0xce/0x190 [ 26.479534][ T1959] ____sys_sendmsg+0x61a/0x860 [ 26.479537][ T1959] ? copy_msghdr_from_user+0x279/0x420 [ 26.479539][ T1959] ? sock_write_iter+0x400/0x400 [ 26.479540][ T1959] ? move_addr_to_kernel+0x40/0x40 [ 26.479548][ T1959] ___sys_sendmsg+0x14e/0x1d0 [ 26.479550][ T1959] ? copy_msghdr_from_user+0x420/0x420 [ 26.479566][ T1959] __sys_sendmsg+0x12c/0x1d0 [ 26.479569][ T1959] ? __sys_sendmsg_sock+0x20/0x20 [ 26.479575][ T1959] ? rcu_is_watching+0x16/0xd0 [ 26.479578][ T1959] do_syscall_64+0xff/0x530 [ 26.479581][ T1959] ? exc_page_fault+0xee/0x100 [ 26.479584][ T1959] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.479586][ T1959] RIP: 0033:0x7f4ff8b8854e [ 26.479588][ T1959] 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 [ 26.479590][ T1959] RSP: 002b:00007fff8a12e450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.479593][ T1959] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4ff8b8854e [ 26.479594][ T1959] RDX: 0000000000000000 RSI: 00007fff8a12e500 RDI: 0000000000000005 [ 26.479595][ T1959] RBP: 00007fff8a12e460 R08: 0000000000000000 R09: 0000000000000000 [ 26.479596][ T1959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917010 [ 26.479597][ T1959] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8a12ebc0 [ 26.479603][ T1959] [ 26.523985][ T1959] br: port 2(d2) entered forwarding state [ 26.570983][ T1961] br: port 1(d1) entered blocking state [ 26.571228][ T1961] br: port 1(d1) entered forwarding state [ 26.647882][ T1969] br: port 1(d1) entered disabled state [ 26.716694][ T1977] br: port 2(d2) entered disabled state [ 26.797238][ T1985] br: port 3(d3) entered disabled state [ 27.974733][ T519] br: port 3(d3) entered blocking state [ 27.974752][ T519] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.974754][ T519] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 519, name: kworker/u20:2 [ 27.974755][ T519] preempt_count: 202, expected: 0 [ 27.974756][ T519] RCU nest depth: 0, expected: 0 [ 27.974757][ T519] locks held by kworker/u20:2/519: 8, last CPU#3: [ 27.974759][ T519] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 27.974774][ T519] #1: ffa00000021d7d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 27.974778][ T519] #2: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 27.974783][ T519] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 27.974788][ T519] #4: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.974792][ T519] #5: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.974796][ T519] #6: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.974800][ T519] #7: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 27.974804][ T519] irq event stamp: 218085 [ 27.974805][ T519] hardirqs last enabled at (218084): [] __down_trylock_console_sem+0x86/0xa0 [ 27.974808][ T519] hardirqs last disabled at (218085): [] console_emit_next_record+0x3d4/0x4c0 [ 27.974810][ T519] softirqs last enabled at (218046): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 27.974813][ T519] softirqs last disabled at (218080): [] br_port_carrier_check+0x161/0x430 [ 27.974815][ T519] Preemption disabled at: [ 27.974816][ T519] [<0000000000000000>] 0x0 [ 27.974822][ T519] CPU: 3 UID: 0 PID: 519 Comm: kworker/u20:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.974826][ T519] Tainted: [W]=WARN [ 27.974827][ T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.974828][ T519] Workqueue: events_unbound linkwatch_event [ 27.974831][ T519] Call Trace: [ 27.974833][ T519] [ 27.974834][ T519] dump_stack_lvl+0x6f/0xa0 [ 27.974841][ T519] __might_resched.cold+0x1fe/0x2c1 [ 27.974845][ T519] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.974849][ T519] ? __kmalloc_noprof+0xdb/0x760 [ 27.974854][ T519] __kmalloc_noprof+0x443/0x760 [ 27.974856][ T519] ? alloc_buf.isra.0+0x4b/0x260 [ 27.974862][ T519] ? do_raw_spin_unlock+0x59/0x250 [ 27.974865][ T519] alloc_buf.isra.0+0x4b/0x260 [ 27.974869][ T519] put_chars+0x1e1/0x2f0 [ 27.974872][ T519] ? __send_to_port+0x420/0x420 [ 27.974874][ T519] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.974877][ T519] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.974880][ T519] ? validate_chain+0x38b/0xc20 [ 27.974884][ T519] hvc_console_print+0x292/0x780 [ 27.974888][ T519] ? mark_usage+0x61/0x170 [ 27.974890][ T519] ? __lock_acquire+0x518/0xc20 [ 27.974892][ T519] ? __lock_acquire+0x518/0xc20 [ 27.974896][ T519] ? hvc_write+0x3a0/0x3a0 [ 27.974898][ T519] ? lock_acquire.part.0+0xd4/0x280 [ 27.974902][ T519] ? lock_acquire+0x13c/0x160 [ 27.974906][ T519] console_emit_next_record+0x22f/0x4c0 [ 27.974910][ T519] ? devkmsg_read+0x4b0/0x4b0 [ 27.974912][ T519] ? console_flush_one_record+0x106/0x710 [ 27.974915][ T519] ? rcu_is_watching+0x16/0xd0 [ 27.974918][ T519] ? lock_acquire+0x13c/0x160 [ 27.974925][ T519] console_flush_one_record+0x46f/0x710 [ 27.974930][ T519] ? console_emit_next_record+0x4c0/0x4c0 [ 27.974932][ T519] ? __lock_acquire+0x518/0xc20 [ 27.974937][ T519] console_unlock+0xee/0x1f0 [ 27.974940][ T519] ? console_flush_one_record+0x710/0x710 [ 27.974942][ T519] ? rcu_is_watching+0x16/0xd0 [ 27.974944][ T519] ? lock_acquire+0xe0/0x160 [ 27.974947][ T519] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.974949][ T519] ? vprintk_emit+0x320/0x3e0 [ 27.974952][ T519] vprintk_emit+0x37c/0x3e0 [ 27.974955][ T519] ? wake_up_klogd_work_func+0x90/0x90 [ 27.974957][ T519] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.974959][ T519] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.974963][ T519] _printk+0xc7/0x100 [ 27.974967][ T519] ? snapshot_read.cold+0x21/0x21 [ 27.974972][ T519] ? lock_acquire.part.0+0xd4/0x280 [ 27.974976][ T519] br_set_state+0x22f/0x430 [ 27.974980][ T519] br_init_port+0xc4/0x200 [ 27.974983][ T519] br_stp_enable_port+0x12/0x50 [ 27.974985][ T519] br_port_carrier_check+0x220/0x430 [ 27.974988][ T519] br_device_event+0x52d/0x8f0 [ 27.974992][ T519] ? packet_sendmsg_spkt+0x1360/0x1360 [ 27.974993][ T519] ? nlmsg_notify+0x62/0x250 [ 27.975000][ T519] notifier_call_chain+0xae/0x300 [ 27.975006][ T519] netif_state_change+0x139/0x3d0 [ 27.975010][ T519] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 27.975015][ T519] ? linkwatch_do_dev+0xae/0xd0 [ 27.975017][ T519] __linkwatch_run_queue+0x350/0x850 [ 27.975020][ T519] ? linkwatch_do_dev+0xd0/0xd0 [ 27.975023][ T519] ? lock_acquire.part.0+0xd4/0x280 [ 27.975028][ T519] linkwatch_event+0x7f/0xb0 [ 27.975030][ T519] ? __linkwatch_run_queue+0x850/0x850 [ 27.975033][ T519] process_one_work+0xe3e/0x1560 [ 27.975040][ T519] ? __queue_delayed_work+0x470/0x470 [ 27.975043][ T519] ? lock_acquire.part.0+0xd4/0x280 [ 27.975050][ T519] worker_thread+0x4f1/0xd60 [ 27.975055][ T519] ? rescuer_thread+0x1340/0x1340 [ 27.975057][ T519] ? __kthread_parkme+0xbd/0x210 [ 27.975060][ T519] ? rescuer_thread+0x1340/0x1340 [ 27.975063][ T519] ? rescuer_thread+0x1340/0x1340 [ 27.975065][ T519] kthread+0x367/0x460 [ 27.975067][ T519] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.975070][ T519] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.975073][ T519] ret_from_fork+0x474/0x6b0 [ 27.975077][ T519] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 27.975081][ T519] ? __switch_to+0x5a3/0xe00 [ 27.975084][ T519] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.975087][ T519] ret_from_fork_asm+0x11/0x20 [ 27.975096][ T519] [ 27.999822][ T519] br: port 3(d3) entered forwarding state [ 28.016160][ T46] br: port 2(d2) entered blocking state [ 28.016385][ T46] br: port 2(d2) entered forwarding state [ 28.043162][ T57] br: port 1(d1) entered blocking state [ 28.043387][ T57] br: port 1(d1) entered forwarding state [ 28.669934][ T2176] br: port 1(d1) entered disabled state [ 29.190816][ T36] br: port 1(d1) entered blocking state [ 29.190835][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.190837][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 29.190839][ T36] preempt_count: 202, expected: 0 [ 29.190840][ T36] RCU nest depth: 0, expected: 0 [ 29.190841][ T36] locks held by kworker/u17:0/36: 8, last CPU#0: [ 29.190843][ T36] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 29.190855][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 29.190859][ T36] #2: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 29.190865][ T36] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 29.190870][ T36] #4: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 29.190874][ T36] #5: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 29.190877][ T36] #6: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 29.190881][ T36] #7: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 29.190885][ T36] irq event stamp: 155345 [ 29.190886][ T36] hardirqs last enabled at (155344): [] __down_trylock_console_sem+0x86/0xa0 [ 29.190889][ T36] hardirqs last disabled at (155345): [] console_emit_next_record+0x3d4/0x4c0 [ 29.190891][ T36] softirqs last enabled at (155306): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 29.190894][ T36] softirqs last disabled at (155340): [] br_port_carrier_check+0x161/0x430 [ 29.190896][ T36] Preemption disabled at: [ 29.190897][ T36] [<0000000000000000>] 0x0 [ 29.190903][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.190907][ T36] Tainted: [W]=WARN [ 29.190908][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.190909][ T36] Workqueue: events_unbound linkwatch_event [ 29.190912][ T36] Call Trace: [ 29.190914][ T36] [ 29.190915][ T36] dump_stack_lvl+0x6f/0xa0 [ 29.190921][ T36] __might_resched.cold+0x1fe/0x2c1 [ 29.190926][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.190930][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 29.190938][ T36] __kmalloc_noprof+0x443/0x760 [ 29.190940][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 29.190947][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 29.190950][ T36] alloc_buf.isra.0+0x4b/0x260 [ 29.190954][ T36] put_chars+0x1e1/0x2f0 [ 29.190956][ T36] ? __send_to_port+0x420/0x420 [ 29.190959][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.190962][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.190964][ T36] ? validate_chain+0x38b/0xc20 [ 29.190969][ T36] hvc_console_print+0x292/0x780 [ 29.190973][ T36] ? mark_usage+0x61/0x170 [ 29.190975][ T36] ? __lock_acquire+0x518/0xc20 [ 29.190976][ T36] ? __lock_acquire+0x518/0xc20 [ 29.190981][ T36] ? hvc_write+0x3a0/0x3a0 [ 29.190982][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 29.190987][ T36] ? lock_acquire+0x13c/0x160 [ 29.190991][ T36] console_emit_next_record+0x22f/0x4c0 [ 29.190995][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 29.190997][ T36] ? console_flush_one_record+0x106/0x710 [ 29.191000][ T36] ? rcu_is_watching+0x16/0xd0 [ 29.191002][ T36] ? lock_acquire+0x13c/0x160 [ 29.191006][ T36] console_flush_one_record+0x46f/0x710 [ 29.191010][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 29.191012][ T36] ? __lock_acquire+0x518/0xc20 [ 29.191018][ T36] console_unlock+0xee/0x1f0 [ 29.191021][ T36] ? console_flush_one_record+0x710/0x710 [ 29.191022][ T36] ? rcu_is_watching+0x16/0xd0 [ 29.191024][ T36] ? lock_acquire+0xe0/0x160 [ 29.191028][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.191030][ T36] ? vprintk_emit+0x320/0x3e0 [ 29.191033][ T36] vprintk_emit+0x37c/0x3e0 [ 29.191036][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 29.191038][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.191040][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.191043][ T36] _printk+0xc7/0x100 [ 29.191047][ T36] ? snapshot_read.cold+0x21/0x21 [ 29.191052][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 29.191056][ T36] br_set_state+0x22f/0x430 [ 29.191060][ T36] br_init_port+0xc4/0x200 [ 29.191063][ T36] br_stp_enable_port+0x12/0x50 [ 29.191065][ T36] br_port_carrier_check+0x220/0x430 [ 29.191068][ T36] br_device_event+0x52d/0x8f0 [ 29.191072][ T36] ? packet_sendmsg_spkt+0x1360/0x1360 [ 29.191073][ T36] ? nlmsg_notify+0x62/0x250 [ 29.191080][ T36] notifier_call_chain+0xae/0x300 [ 29.191086][ T36] netif_state_change+0x139/0x3d0 [ 29.191091][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 29.191095][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 29.191098][ T36] __linkwatch_run_queue+0x350/0x850 [ 29.191101][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 29.191103][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 29.191107][ T36] linkwatch_event+0x7f/0xb0 [ 29.191110][ T36] ? __linkwatch_run_queue+0x850/0x850 [ 29.191113][ T36] process_one_work+0xe3e/0x1560 [ 29.191120][ T36] ? __queue_delayed_work+0x470/0x470 [ 29.191123][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 29.191130][ T36] worker_thread+0x4f1/0xd60 [ 29.191137][ T36] ? rescuer_thread+0x1340/0x1340 [ 29.191140][ T36] kthread+0x367/0x460 [ 29.191142][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.191145][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 29.191148][ T36] ret_from_fork+0x474/0x6b0 [ 29.191152][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 29.191155][ T36] ? __switch_to+0x5a3/0xe00 [ 29.191159][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 29.191162][ T36] ret_from_fork_asm+0x11/0x20 [ 29.191170][ T36] [ 29.214053][ T36] br: port 1(d1) entered forwarding state [ 29.271210][ T2235] br: port 2(d2) entered disabled state [ 29.782908][ T36] br: port 2(d2) entered blocking state [ 29.783152][ T36] br: port 2(d2) entered forwarding state [ 29.852283][ T2294] br: port 1(d1) entered disabled state [ 29.925601][ T2302] br: port 2(d2) entered disabled state [ 30.471343][ T2353] br: port 2(d2) entered blocking state [ 30.471362][ T2353] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.471364][ T2353] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2353, name: ip [ 30.471366][ T2353] preempt_count: 202, expected: 0 [ 30.471366][ T2353] RCU nest depth: 0, expected: 0 [ 30.471367][ T2353] locks held by ip/2353: 6, last CPU#2: [ 30.471369][ T2353] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 30.471381][ T2353] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 30.471386][ T2353] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.471391][ T2353] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.471395][ T2353] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.471399][ T2353] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 30.471403][ T2353] irq event stamp: 15805 [ 30.471404][ T2353] hardirqs last enabled at (15804): [] __down_trylock_console_sem+0x86/0xa0 [ 30.471407][ T2353] hardirqs last disabled at (15805): [] console_emit_next_record+0x3d4/0x4c0 [ 30.471409][ T2353] softirqs last enabled at (15766): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 30.471412][ T2353] softirqs last disabled at (15800): [] br_device_event+0x5fd/0x8f0 [ 30.471414][ T2353] Preemption disabled at: [ 30.471415][ T2353] [<0000000000000000>] 0x0 [ 30.471421][ T2353] CPU: 2 UID: 0 PID: 2353 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.471425][ T2353] Tainted: [W]=WARN [ 30.471426][ T2353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.471427][ T2353] Call Trace: [ 30.471429][ T2353] [ 30.471430][ T2353] dump_stack_lvl+0x6f/0xa0 [ 30.471437][ T2353] __might_resched.cold+0x1fe/0x2c1 [ 30.471441][ T2353] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.471446][ T2353] ? __kmalloc_noprof+0xdb/0x760 [ 30.471450][ T2353] __kmalloc_noprof+0x443/0x760 [ 30.471451][ T2353] ? alloc_buf.isra.0+0x4b/0x260 [ 30.471458][ T2353] ? do_raw_spin_unlock+0x59/0x250 [ 30.471461][ T2353] alloc_buf.isra.0+0x4b/0x260 [ 30.471464][ T2353] put_chars+0x1e1/0x2f0 [ 30.471467][ T2353] ? __send_to_port+0x420/0x420 [ 30.471468][ T2353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.471471][ T2353] ? validate_chain+0x38b/0xc20 [ 30.471477][ T2353] hvc_console_print+0x292/0x780 [ 30.471484][ T2353] ? hvc_write+0x3a0/0x3a0 [ 30.471487][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471489][ T2353] ? lock_acquire+0x13c/0x160 [ 30.471493][ T2353] console_emit_next_record+0x22f/0x4c0 [ 30.471496][ T2353] ? devkmsg_read+0x4b0/0x4b0 [ 30.471498][ T2353] ? console_flush_one_record+0x106/0x710 [ 30.471501][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471503][ T2353] ? lock_acquire+0x13c/0x160 [ 30.471507][ T2353] console_flush_one_record+0x46f/0x710 [ 30.471511][ T2353] ? console_emit_next_record+0x4c0/0x4c0 [ 30.471513][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.471519][ T2353] console_unlock+0xee/0x1f0 [ 30.471521][ T2353] ? console_flush_one_record+0x710/0x710 [ 30.471523][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471525][ T2353] ? lock_acquire+0xe0/0x160 [ 30.471528][ T2353] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.471530][ T2353] ? vprintk_emit+0x320/0x3e0 [ 30.471533][ T2353] vprintk_emit+0x37c/0x3e0 [ 30.471536][ T2353] ? wake_up_klogd_work_func+0x90/0x90 [ 30.471538][ T2353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.471540][ T2353] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.471545][ T2353] _printk+0xc7/0x100 [ 30.471548][ T2353] ? snapshot_read.cold+0x21/0x21 [ 30.471553][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.471557][ T2353] br_set_state+0x22f/0x430 [ 30.471562][ T2353] br_init_port+0xc4/0x200 [ 30.471564][ T2353] br_stp_enable_port+0x12/0x50 [ 30.471566][ T2353] br_device_event+0x605/0x8f0 [ 30.471569][ T2353] ? packet_sendmsg_spkt+0x1360/0x1360 [ 30.471570][ T2353] ? nlmsg_notify+0x62/0x250 [ 30.471577][ T2353] notifier_call_chain+0xae/0x300 [ 30.471582][ T2353] __dev_notify_flags+0x1b7/0x450 [ 30.471587][ T2353] ? netif_change_name+0x8c0/0x8c0 [ 30.471591][ T2353] ? netif_set_allmulti+0x2c0/0x2c0 [ 30.471594][ T2353] ? kernel_text_address+0x149/0x170 [ 30.471597][ T2353] ? __kernel_text_address+0x12/0x30 [ 30.471598][ T2353] ? write_profile+0xf0/0xf0 [ 30.471603][ T2353] netif_change_flags+0xfe/0x190 [ 30.471607][ T2353] do_setlink.isra.0+0x1d25/0x2a60 [ 30.471610][ T2353] ? stack_trace_save+0x93/0xc0 [ 30.471612][ T2353] ? rtnl_link_get_size+0x350/0x350 [ 30.471613][ T2353] ? rcu_read_lock_any_held+0x66/0x90 [ 30.471615][ T2353] ? stack_depot_save_flags+0x38e/0x790 [ 30.471619][ T2353] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.471621][ T2353] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.471622][ T2353] ? validate_chain+0x38b/0xc20 [ 30.471625][ T2353] ? kasan_save_stack+0x3d/0x50 [ 30.471627][ T2353] ? kasan_save_stack+0x2f/0x50 [ 30.471629][ T2353] ? kasan_save_track+0x14/0x30 [ 30.471630][ T2353] ? __kasan_kmalloc+0x7b/0x90 [ 30.471632][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.471634][ T2353] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 30.471637][ T2353] ? ___sys_sendmsg+0xd0/0x1d0 [ 30.471641][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.471643][ T2353] ? rtnl_newlink+0x9a8/0x11b0 [ 30.471645][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471647][ T2353] ? lock_acquire+0x13c/0x160 [ 30.471649][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471650][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471651][ T2353] ? trace_contention_end+0xb3/0x180 [ 30.471654][ T2353] ? __mutex_lock+0x1db/0x1ea0 [ 30.471656][ T2353] ? __mutex_lock+0x9a3/0x1ea0 [ 30.471658][ T2353] ? rtnl_newlink+0x9a8/0x11b0 [ 30.471661][ T2353] ? ww_mutex_lock+0x160/0x160 [ 30.471665][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471667][ T2353] ? __rtnl_newlink+0x3fa/0xa50 [ 30.471672][ T2353] rtnl_newlink+0x9f1/0x11b0 [ 30.471677][ T2353] ? rtnl_bridge_getlink+0x850/0x850 [ 30.471679][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.471684][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.471686][ T2353] ? find_held_lock+0x2b/0x80 [ 30.471688][ T2353] ? rtnl_bridge_getlink+0x850/0x850 [ 30.471690][ T2353] ? __lock_release.isra.0+0x69/0x1a0 [ 30.471694][ T2353] ? rtnl_bridge_getlink+0x850/0x850 [ 30.471696][ T2353] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.471699][ T2353] ? rtnl_link_fill+0x920/0x920 [ 30.471700][ T2353] ? __lock_acquire+0x518/0xc20 [ 30.471704][ T2353] ? lock_acquire.part.0+0xd4/0x280 [ 30.471706][ T2353] ? find_held_lock+0x2b/0x80 [ 30.471710][ T2353] netlink_rcv_skb+0x14e/0x3a0 [ 30.471712][ T2353] ? rtnl_link_fill+0x920/0x920 [ 30.471714][ T2353] ? netlink_ack+0xcf0/0xcf0 [ 30.471721][ T2353] ? netlink_deliver_tap+0xc5/0x330 [ 30.471723][ T2353] ? netlink_deliver_tap+0x13c/0x330 [ 30.471727][ T2353] netlink_unicast+0x486/0x750 [ 30.471731][ T2353] ? netlink_attachskb+0x810/0x810 [ 30.471734][ T2353] ? find_held_lock+0x2b/0x80 [ 30.471738][ T2353] netlink_sendmsg+0x75b/0xc90 [ 30.471742][ T2353] ? netlink_unicast+0x750/0x750 [ 30.471746][ T2353] ? __lock_release.isra.0+0x69/0x1a0 [ 30.471747][ T2353] ? __import_iovec+0x36c/0x620 [ 30.471753][ T2353] __sock_sendmsg+0xce/0x190 [ 30.471755][ T2353] ____sys_sendmsg+0x61a/0x860 [ 30.471758][ T2353] ? copy_msghdr_from_user+0x279/0x420 [ 30.471760][ T2353] ? sock_write_iter+0x400/0x400 [ 30.471761][ T2353] ? move_addr_to_kernel+0x40/0x40 [ 30.471771][ T2353] ___sys_sendmsg+0x14e/0x1d0 [ 30.471774][ T2353] ? copy_msghdr_from_user+0x420/0x420 [ 30.471790][ T2353] __sys_sendmsg+0x12c/0x1d0 [ 30.471792][ T2353] ? __sys_sendmsg_sock+0x20/0x20 [ 30.471799][ T2353] ? rcu_is_watching+0x16/0xd0 [ 30.471802][ T2353] do_syscall_64+0xff/0x530 [ 30.471804][ T2353] ? exc_page_fault+0xee/0x100 [ 30.471807][ T2353] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.471810][ T2353] RIP: 0033:0x7f7c02e0954e [ 30.471812][ 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 [ 30.471814][ T2353] RSP: 002b:00007ffc5f13c640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.471816][ T2353] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7c02e0954e [ 30.471817][ T2353] RDX: 0000000000000000 RSI: 00007ffc5f13c6f0 RDI: 0000000000000005 [ 30.471818][ T2353] RBP: 00007ffc5f13c650 R08: 0000000000000000 R09: 0000000000000000 [ 30.471819][ T2353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917014 [ 30.471820][ T2353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5f13cdb0 [ 30.471827][ T2353] [ 30.516247][ T2353] br: port 2(d2) entered forwarding state [ 30.549391][ T2355] br: port 1(d1) entered blocking state [ 30.549668][ T2355] br: port 1(d1) entered forwarding state [ 30.631907][ T2363] br: port 1(d1) entered disabled state [ 30.713648][ T2371] br: port 2(d2) entered disabled state [ 30.794663][ T2379] br: port 3(d3) entered disabled state [ 31.318111][ T2430] br: port 3(d3) entered blocking state [ 31.318424][ T2430] br: port 3(d3) entered forwarding state [ 31.345752][ T2432] br: port 2(d2) entered blocking state [ 31.346023][ T2432] br: port 2(d2) entered forwarding state [ 31.378100][ T1494] br: port 1(d1) entered blocking state [ 31.378358][ T1494] br: port 1(d1) entered forwarding state [ 32.012542][ T2487] br: port 1(d1) entered disabled state [ 32.012559][ T2487] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.012561][ T2487] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2487, name: ip [ 32.012563][ T2487] preempt_count: 202, expected: 0 [ 32.012563][ T2487] RCU nest depth: 0, expected: 0 [ 32.012564][ T2487] locks held by ip/2487: 6, last CPU#3: [ 32.012567][ T2487] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 32.012578][ T2487] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 32.012583][ T2487] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.012588][ T2487] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.012592][ T2487] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.012596][ T2487] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.012600][ T2487] irq event stamp: 29543 [ 32.012601][ T2487] hardirqs last enabled at (29542): [] __down_trylock_console_sem+0x86/0xa0 [ 32.012604][ T2487] hardirqs last disabled at (29543): [] console_emit_next_record+0x3d4/0x4c0 [ 32.012606][ T2487] softirqs last enabled at (29526): [] ipv6_mc_down+0x134/0x2d0 [ 32.012609][ T2487] softirqs last disabled at (29538): [] br_device_event+0x1d7/0x8f0 [ 32.012612][ T2487] Preemption disabled at: [ 32.012612][ T2487] [<0000000000000000>] 0x0 [ 32.012619][ T2487] CPU: 3 UID: 0 PID: 2487 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.012623][ T2487] Tainted: [W]=WARN [ 32.012623][ T2487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.012625][ T2487] Call Trace: [ 32.012626][ T2487] [ 32.012628][ T2487] dump_stack_lvl+0x6f/0xa0 [ 32.012634][ T2487] __might_resched.cold+0x1fe/0x2c1 [ 32.012639][ T2487] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.012643][ T2487] ? __kmalloc_noprof+0xdb/0x760 [ 32.012647][ T2487] __kmalloc_noprof+0x443/0x760 [ 32.012649][ T2487] ? alloc_buf.isra.0+0x4b/0x260 [ 32.012656][ T2487] ? do_raw_spin_unlock+0x59/0x250 [ 32.012658][ T2487] alloc_buf.isra.0+0x4b/0x260 [ 32.012662][ T2487] put_chars+0x1e1/0x2f0 [ 32.012665][ T2487] ? __send_to_port+0x420/0x420 [ 32.012671][ T2487] hvc_console_print+0x292/0x780 [ 32.012679][ T2487] ? hvc_write+0x3a0/0x3a0 [ 32.012682][ T2487] ? lock_acquire+0x13c/0x160 [ 32.012686][ T2487] console_emit_next_record+0x22f/0x4c0 [ 32.012690][ T2487] ? devkmsg_read+0x4b0/0x4b0 [ 32.012692][ T2487] ? console_flush_one_record+0x106/0x710 [ 32.012695][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012698][ T2487] ? lock_acquire+0x13c/0x160 [ 32.012702][ T2487] console_flush_one_record+0x46f/0x710 [ 32.012706][ T2487] ? console_emit_next_record+0x4c0/0x4c0 [ 32.012708][ T2487] ? __lock_acquire+0x518/0xc20 [ 32.012713][ T2487] console_unlock+0xee/0x1f0 [ 32.012716][ T2487] ? console_flush_one_record+0x710/0x710 [ 32.012718][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012719][ T2487] ? lock_acquire+0xe0/0x160 [ 32.012723][ T2487] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.012725][ T2487] ? vprintk_emit+0x320/0x3e0 [ 32.012728][ T2487] vprintk_emit+0x37c/0x3e0 [ 32.012731][ T2487] ? wake_up_klogd_work_func+0x90/0x90 [ 32.012732][ T2487] ? mark_held_locks+0x40/0x70 [ 32.012734][ T2487] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.012736][ T2487] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.012740][ T2487] _printk+0xc7/0x100 [ 32.012744][ T2487] ? snapshot_read.cold+0x21/0x21 [ 32.012751][ T2487] br_set_state+0x22f/0x430 [ 32.012756][ T2487] br_stp_disable_port+0x11f/0x390 [ 32.012759][ T2487] br_device_event+0x7b5/0x8f0 [ 32.012761][ T2487] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 32.012765][ T2487] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.012773][ T2487] notifier_call_chain+0xae/0x300 [ 32.012778][ T2487] __dev_notify_flags+0x23c/0x450 [ 32.012783][ T2487] ? netif_change_name+0x8c0/0x8c0 [ 32.012787][ T2487] ? netif_set_allmulti+0x2c0/0x2c0 [ 32.012790][ T2487] ? __kernel_text_address+0x12/0x30 [ 32.012793][ T2487] ? write_profile+0xf0/0xf0 [ 32.012797][ T2487] netif_change_flags+0xfe/0x190 [ 32.012801][ T2487] do_setlink.isra.0+0x1d25/0x2a60 [ 32.012805][ T2487] ? stack_trace_save+0x93/0xc0 [ 32.012807][ T2487] ? rtnl_link_get_size+0x350/0x350 [ 32.012808][ T2487] ? rcu_read_lock_any_held+0x66/0x90 [ 32.012810][ T2487] ? stack_depot_save_flags+0x38e/0x790 [ 32.012813][ T2487] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.012815][ T2487] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.012817][ T2487] ? validate_chain+0x38b/0xc20 [ 32.012819][ T2487] ? kasan_save_stack+0x3d/0x50 [ 32.012822][ T2487] ? kasan_save_stack+0x2f/0x50 [ 32.012823][ T2487] ? kasan_save_track+0x14/0x30 [ 32.012824][ T2487] ? __kasan_kmalloc+0x7b/0x90 [ 32.012826][ T2487] ? __lock_acquire+0x518/0xc20 [ 32.012828][ T2487] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 32.012831][ T2487] ? ___sys_sendmsg+0xd0/0x1d0 [ 32.012835][ T2487] ? lock_acquire.part.0+0xd4/0x280 [ 32.012837][ T2487] ? rtnl_newlink+0x9a8/0x11b0 [ 32.012839][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012841][ T2487] ? lock_acquire+0x13c/0x160 [ 32.012843][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012844][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012845][ T2487] ? trace_contention_end+0xb3/0x180 [ 32.012848][ T2487] ? __mutex_lock+0x1db/0x1ea0 [ 32.012849][ T2487] ? __mutex_lock+0x9a3/0x1ea0 [ 32.012851][ T2487] ? rtnl_newlink+0x9a8/0x11b0 [ 32.012854][ T2487] ? ww_mutex_lock+0x160/0x160 [ 32.012858][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012860][ T2487] ? __rtnl_newlink+0x3fa/0xa50 [ 32.012865][ T2487] rtnl_newlink+0x9f1/0x11b0 [ 32.012870][ T2487] ? rtnl_bridge_getlink+0x850/0x850 [ 32.012872][ T2487] ? __lock_acquire+0x518/0xc20 [ 32.012876][ T2487] ? lock_acquire.part.0+0xd4/0x280 [ 32.012878][ T2487] ? find_held_lock+0x2b/0x80 [ 32.012880][ T2487] ? rtnl_bridge_getlink+0x850/0x850 [ 32.012882][ T2487] ? __lock_release.isra.0+0x69/0x1a0 [ 32.012886][ T2487] ? rtnl_bridge_getlink+0x850/0x850 [ 32.012888][ T2487] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.012891][ T2487] ? rtnl_link_fill+0x920/0x920 [ 32.012892][ T2487] ? __lock_acquire+0x518/0xc20 [ 32.012897][ T2487] ? lock_acquire.part.0+0xd4/0x280 [ 32.012898][ T2487] ? find_held_lock+0x2b/0x80 [ 32.012902][ T2487] netlink_rcv_skb+0x14e/0x3a0 [ 32.012905][ T2487] ? rtnl_link_fill+0x920/0x920 [ 32.012908][ T2487] ? netlink_ack+0xcf0/0xcf0 [ 32.012914][ T2487] ? netlink_deliver_tap+0xc5/0x330 [ 32.012916][ T2487] ? netlink_deliver_tap+0x13c/0x330 [ 32.012921][ T2487] netlink_unicast+0x486/0x750 [ 32.012925][ T2487] ? netlink_attachskb+0x810/0x810 [ 32.012927][ T2487] ? find_held_lock+0x2b/0x80 [ 32.012931][ T2487] netlink_sendmsg+0x75b/0xc90 [ 32.012935][ T2487] ? netlink_unicast+0x750/0x750 [ 32.012939][ T2487] ? __lock_release.isra.0+0x69/0x1a0 [ 32.012941][ T2487] ? __import_iovec+0x36c/0x620 [ 32.012946][ T2487] __sock_sendmsg+0xce/0x190 [ 32.012949][ T2487] ____sys_sendmsg+0x61a/0x860 [ 32.012951][ T2487] ? copy_msghdr_from_user+0x279/0x420 [ 32.012953][ T2487] ? sock_write_iter+0x400/0x400 [ 32.012955][ T2487] ? move_addr_to_kernel+0x40/0x40 [ 32.012966][ T2487] ___sys_sendmsg+0x14e/0x1d0 [ 32.012969][ T2487] ? copy_msghdr_from_user+0x420/0x420 [ 32.012985][ T2487] __sys_sendmsg+0x12c/0x1d0 [ 32.012987][ T2487] ? __sys_sendmsg_sock+0x20/0x20 [ 32.012994][ T2487] ? rcu_is_watching+0x16/0xd0 [ 32.012997][ T2487] do_syscall_64+0xff/0x530 [ 32.012999][ T2487] ? exc_page_fault+0xee/0x100 [ 32.013002][ T2487] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.013004][ T2487] RIP: 0033:0x7fb73207354e [ 32.013007][ T2487] 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 [ 32.013008][ T2487] RSP: 002b:00007ffd06797a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.013011][ T2487] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb73207354e [ 32.013012][ T2487] RDX: 0000000000000000 RSI: 00007ffd06797ae0 RDI: 0000000000000005 [ 32.013013][ T2487] RBP: 00007ffd06797a40 R08: 0000000000000000 R09: 0000000000000000 [ 32.013014][ T2487] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917016 [ 32.013015][ T2487] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd067981a0 [ 32.013021][ T2487] [ 32.567597][ T2538] br: port 1(d1) entered blocking state [ 32.567884][ T2538] br: port 1(d1) entered forwarding state [ 32.643894][ T2546] br: port 2(d2) entered disabled state [ 33.189055][ T1494] br: port 2(d2) entered blocking state [ 33.189075][ T1494] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.189077][ T1494] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1494, name: kworker/u19:2 [ 33.189079][ T1494] preempt_count: 202, expected: 0 [ 33.189079][ T1494] RCU nest depth: 0, expected: 0 [ 33.189080][ T1494] locks held by kworker/u19:2/1494: 8, last CPU#2: [ 33.189082][ T1494] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 33.189097][ T1494] #1: ffa0000003797d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 33.189101][ T1494] #2: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 33.189107][ T1494] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 33.189112][ T1494] #4: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 33.189116][ T1494] #5: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 33.189120][ T1494] #6: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 33.189123][ T1494] #7: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 33.189127][ T1494] irq event stamp: 95395 [ 33.189128][ T1494] hardirqs last enabled at (95394): [] __down_trylock_console_sem+0x86/0xa0 [ 33.189131][ T1494] hardirqs last disabled at (95395): [] console_emit_next_record+0x3d4/0x4c0 [ 33.189133][ T1494] softirqs last enabled at (95356): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 33.189136][ T1494] softirqs last disabled at (95390): [] br_port_carrier_check+0x161/0x430 [ 33.189138][ T1494] Preemption disabled at: [ 33.189139][ T1494] [<0000000000000000>] 0x0 [ 33.189146][ T1494] CPU: 2 UID: 0 PID: 1494 Comm: kworker/u19:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.189149][ T1494] Tainted: [W]=WARN [ 33.189150][ T1494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.189151][ T1494] Workqueue: events_unbound linkwatch_event [ 33.189155][ T1494] Call Trace: [ 33.189156][ T1494] [ 33.189158][ T1494] dump_stack_lvl+0x6f/0xa0 [ 33.189164][ T1494] __might_resched.cold+0x1fe/0x2c1 [ 33.189169][ T1494] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.189173][ T1494] ? __kmalloc_noprof+0xdb/0x760 [ 33.189177][ T1494] __kmalloc_noprof+0x443/0x760 [ 33.189179][ T1494] ? alloc_buf.isra.0+0x4b/0x260 [ 33.189186][ T1494] ? do_raw_spin_unlock+0x59/0x250 [ 33.189188][ T1494] alloc_buf.isra.0+0x4b/0x260 [ 33.189192][ T1494] put_chars+0x1e1/0x2f0 [ 33.189195][ T1494] ? __send_to_port+0x420/0x420 [ 33.189197][ T1494] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.189200][ T1494] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.189203][ T1494] ? validate_chain+0x38b/0xc20 [ 33.189207][ T1494] hvc_console_print+0x292/0x780 [ 33.189211][ T1494] ? mark_usage+0x61/0x170 [ 33.189213][ T1494] ? __lock_acquire+0x518/0xc20 [ 33.189215][ T1494] ? __lock_acquire+0x518/0xc20 [ 33.189219][ T1494] ? hvc_write+0x3a0/0x3a0 [ 33.189221][ T1494] ? lock_acquire.part.0+0xd4/0x280 [ 33.189225][ T1494] ? lock_acquire+0x13c/0x160 [ 33.189229][ T1494] console_emit_next_record+0x22f/0x4c0 [ 33.189233][ T1494] ? devkmsg_read+0x4b0/0x4b0 [ 33.189235][ T1494] ? console_flush_one_record+0x106/0x710 [ 33.189239][ T1494] ? rcu_is_watching+0x16/0xd0 [ 33.189241][ T1494] ? lock_acquire+0x13c/0x160 [ 33.189245][ T1494] console_flush_one_record+0x46f/0x710 [ 33.189249][ T1494] ? console_emit_next_record+0x4c0/0x4c0 [ 33.189251][ T1494] ? __lock_acquire+0x518/0xc20 [ 33.189256][ T1494] console_unlock+0xee/0x1f0 [ 33.189259][ T1494] ? console_flush_one_record+0x710/0x710 [ 33.189261][ T1494] ? rcu_is_watching+0x16/0xd0 [ 33.189262][ T1494] ? lock_acquire+0xe0/0x160 [ 33.189266][ T1494] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.189268][ T1494] ? vprintk_emit+0x320/0x3e0 [ 33.189271][ T1494] vprintk_emit+0x37c/0x3e0 [ 33.189274][ T1494] ? wake_up_klogd_work_func+0x90/0x90 [ 33.189276][ T1494] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.189278][ T1494] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.189282][ T1494] _printk+0xc7/0x100 [ 33.189285][ T1494] ? snapshot_read.cold+0x21/0x21 [ 33.189290][ T1494] ? lock_acquire.part.0+0xd4/0x280 [ 33.189294][ T1494] br_set_state+0x22f/0x430 [ 33.189298][ T1494] br_init_port+0xc4/0x200 [ 33.189301][ T1494] br_stp_enable_port+0x12/0x50 [ 33.189303][ T1494] br_port_carrier_check+0x220/0x430 [ 33.189307][ T1494] br_device_event+0x52d/0x8f0 [ 33.189310][ T1494] ? packet_sendmsg_spkt+0x1360/0x1360 [ 33.189312][ T1494] ? nlmsg_notify+0x62/0x250 [ 33.189319][ T1494] notifier_call_chain+0xae/0x300 [ 33.189325][ T1494] netif_state_change+0x139/0x3d0 [ 33.189329][ T1494] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 33.189334][ T1494] ? linkwatch_do_dev+0xae/0xd0 [ 33.189336][ T1494] __linkwatch_run_queue+0x350/0x850 [ 33.189339][ T1494] ? linkwatch_do_dev+0xd0/0xd0 [ 33.189342][ T1494] ? lock_acquire.part.0+0xd4/0x280 [ 33.189346][ T1494] linkwatch_event+0x7f/0xb0 [ 33.189348][ T1494] ? __linkwatch_run_queue+0x850/0x850 [ 33.189352][ T1494] process_one_work+0xe3e/0x1560 [ 33.189358][ T1494] ? __queue_delayed_work+0x470/0x470 [ 33.189361][ T1494] ? lock_acquire.part.0+0xd4/0x280 [ 33.189369][ T1494] worker_thread+0x4f1/0xd60 [ 33.189373][ T1494] ? rescuer_thread+0x1340/0x1340 [ 33.189375][ T1494] ? __kthread_parkme+0xbd/0x210 [ 33.189378][ T1494] ? rescuer_thread+0x1340/0x1340 [ 33.189380][ T1494] ? rescuer_thread+0x1340/0x1340 [ 33.189382][ T1494] kthread+0x367/0x460 [ 33.189385][ T1494] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.189388][ T1494] ? kthread_affine_preferred+0x4c0/0x4c0 [ 33.189391][ T1494] ret_from_fork+0x474/0x6b0 [ 33.189395][ T1494] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 33.189398][ T1494] ? __switch_to+0x5a3/0xe00 [ 33.189402][ T1494] ? kthread_affine_preferred+0x4c0/0x4c0 [ 33.189405][ T1494] ret_from_fork_asm+0x11/0x20 [ 33.189413][ T1494] [ 33.223344][ T1494] br: port 2(d2) entered forwarding state [ 33.260435][ T2605] br: port 1(d1) entered disabled state [ 33.331638][ T2613] br: port 2(d2) entered disabled state [ 33.864472][ T57] br: port 2(d2) entered blocking state [ 33.864753][ T57] br: port 2(d2) entered forwarding state [ 33.889471][ T1494] br: port 1(d1) entered blocking state [ 33.889720][ T1494] br: port 1(d1) entered forwarding state [ 33.973938][ T2674] br: port 1(d1) entered disabled state [ 34.053473][ T2682] br: port 2(d2) entered disabled state [ 34.132996][ T2690] br: port 3(d3) entered disabled state [ 34.663370][ T2741] br: port 3(d3) entered blocking state [ 34.663390][ T2741] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.663392][ T2741] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2741, name: ip [ 34.663394][ T2741] preempt_count: 202, expected: 0 [ 34.663395][ T2741] RCU nest depth: 0, expected: 0 [ 34.663396][ T2741] locks held by ip/2741: 6, last CPU#0: [ 34.663398][ T2741] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 34.663410][ T2741] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 34.663415][ T2741] #2: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.663420][ T2741] #3: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.663424][ T2741] #4: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.663428][ T2741] #5: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.663432][ T2741] irq event stamp: 12077 [ 34.663432][ T2741] hardirqs last enabled at (12076): [] __down_trylock_console_sem+0x86/0xa0 [ 34.663436][ T2741] hardirqs last disabled at (12077): [] console_emit_next_record+0x3d4/0x4c0 [ 34.663438][ T2741] softirqs last enabled at (12038): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 34.663440][ T2741] softirqs last disabled at (12072): [] br_device_event+0x5fd/0x8f0 [ 34.663443][ T2741] Preemption disabled at: [ 34.663443][ T2741] [<0000000000000000>] 0x0 [ 34.663450][ T2741] CPU: 0 UID: 0 PID: 2741 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.663453][ T2741] Tainted: [W]=WARN [ 34.663454][ T2741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.663456][ T2741] Call Trace: [ 34.663457][ T2741] [ 34.663458][ T2741] dump_stack_lvl+0x6f/0xa0 [ 34.663465][ T2741] __might_resched.cold+0x1fe/0x2c1 [ 34.663469][ T2741] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.663474][ T2741] ? __kmalloc_noprof+0xdb/0x760 [ 34.663478][ T2741] __kmalloc_noprof+0x443/0x760 [ 34.663480][ T2741] ? alloc_buf.isra.0+0x4b/0x260 [ 34.663486][ T2741] ? do_raw_spin_unlock+0x59/0x250 [ 34.663489][ T2741] alloc_buf.isra.0+0x4b/0x260 [ 34.663493][ T2741] put_chars+0x1e1/0x2f0 [ 34.663495][ T2741] ? __send_to_port+0x420/0x420 [ 34.663496][ T2741] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.663500][ T2741] ? validate_chain+0x38b/0xc20 [ 34.663505][ T2741] hvc_console_print+0x292/0x780 [ 34.663513][ T2741] ? hvc_write+0x3a0/0x3a0 [ 34.663515][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663517][ T2741] ? lock_acquire+0x13c/0x160 [ 34.663521][ T2741] console_emit_next_record+0x22f/0x4c0 [ 34.663525][ T2741] ? devkmsg_read+0x4b0/0x4b0 [ 34.663527][ T2741] ? console_flush_one_record+0x106/0x710 [ 34.663530][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663532][ T2741] ? lock_acquire+0x13c/0x160 [ 34.663536][ T2741] console_flush_one_record+0x46f/0x710 [ 34.663540][ T2741] ? console_emit_next_record+0x4c0/0x4c0 [ 34.663542][ T2741] ? __lock_acquire+0x518/0xc20 [ 34.663547][ T2741] console_unlock+0xee/0x1f0 [ 34.663550][ T2741] ? console_flush_one_record+0x710/0x710 [ 34.663551][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663553][ T2741] ? lock_acquire+0xe0/0x160 [ 34.663557][ T2741] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.663559][ T2741] ? vprintk_emit+0x320/0x3e0 [ 34.663561][ T2741] vprintk_emit+0x37c/0x3e0 [ 34.663564][ T2741] ? wake_up_klogd_work_func+0x90/0x90 [ 34.663566][ T2741] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.663568][ T2741] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.663573][ T2741] _printk+0xc7/0x100 [ 34.663577][ T2741] ? snapshot_read.cold+0x21/0x21 [ 34.663582][ T2741] ? lock_acquire.part.0+0xd4/0x280 [ 34.663586][ T2741] br_set_state+0x22f/0x430 [ 34.663590][ T2741] br_init_port+0xc4/0x200 [ 34.663593][ T2741] br_stp_enable_port+0x12/0x50 [ 34.663594][ T2741] br_device_event+0x605/0x8f0 [ 34.663597][ T2741] ? packet_sendmsg_spkt+0x1360/0x1360 [ 34.663599][ T2741] ? nlmsg_notify+0x62/0x250 [ 34.663605][ T2741] notifier_call_chain+0xae/0x300 [ 34.663611][ T2741] __dev_notify_flags+0x1b7/0x450 [ 34.663616][ T2741] ? netif_change_name+0x8c0/0x8c0 [ 34.663620][ T2741] ? netif_set_allmulti+0x2c0/0x2c0 [ 34.663622][ T2741] ? kernel_text_address+0x149/0x170 [ 34.663625][ T2741] ? __kernel_text_address+0x12/0x30 [ 34.663626][ T2741] ? write_profile+0xf0/0xf0 [ 34.663632][ T2741] netif_change_flags+0xfe/0x190 [ 34.663635][ T2741] do_setlink.isra.0+0x1d25/0x2a60 [ 34.663639][ T2741] ? stack_trace_save+0x93/0xc0 [ 34.663641][ T2741] ? rtnl_link_get_size+0x350/0x350 [ 34.663642][ T2741] ? rcu_read_lock_any_held+0x66/0x90 [ 34.663644][ T2741] ? stack_depot_save_flags+0x38e/0x790 [ 34.663647][ T2741] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.663649][ T2741] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.663651][ T2741] ? validate_chain+0x38b/0xc20 [ 34.663653][ T2741] ? kasan_save_stack+0x3d/0x50 [ 34.663655][ T2741] ? kasan_save_stack+0x2f/0x50 [ 34.663656][ T2741] ? kasan_save_track+0x14/0x30 [ 34.663658][ T2741] ? __kasan_kmalloc+0x7b/0x90 [ 34.663660][ T2741] ? __lock_acquire+0x518/0xc20 [ 34.663662][ T2741] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 34.663665][ T2741] ? ___sys_sendmsg+0xd0/0x1d0 [ 34.663669][ T2741] ? lock_acquire.part.0+0xd4/0x280 [ 34.663671][ T2741] ? rtnl_newlink+0x9a8/0x11b0 [ 34.663673][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663675][ T2741] ? lock_acquire+0x13c/0x160 [ 34.663676][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663677][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663679][ T2741] ? trace_contention_end+0xb3/0x180 [ 34.663681][ T2741] ? __mutex_lock+0x1db/0x1ea0 [ 34.663684][ T2741] ? __mutex_lock+0x9a3/0x1ea0 [ 34.663686][ T2741] ? rtnl_newlink+0x9a8/0x11b0 [ 34.663689][ T2741] ? ww_mutex_lock+0x160/0x160 [ 34.663693][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663695][ T2741] ? __rtnl_newlink+0x3fa/0xa50 [ 34.663700][ T2741] rtnl_newlink+0x9f1/0x11b0 [ 34.663705][ T2741] ? rtnl_bridge_getlink+0x850/0x850 [ 34.663707][ T2741] ? __lock_acquire+0x518/0xc20 [ 34.663711][ T2741] ? lock_acquire.part.0+0xd4/0x280 [ 34.663713][ T2741] ? find_held_lock+0x2b/0x80 [ 34.663716][ T2741] ? rtnl_bridge_getlink+0x850/0x850 [ 34.663717][ T2741] ? __lock_release.isra.0+0x69/0x1a0 [ 34.663721][ T2741] ? rtnl_bridge_getlink+0x850/0x850 [ 34.663723][ T2741] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 34.663726][ T2741] ? rtnl_link_fill+0x920/0x920 [ 34.663728][ T2741] ? __lock_acquire+0x518/0xc20 [ 34.663732][ T2741] ? lock_acquire.part.0+0xd4/0x280 [ 34.663734][ T2741] ? find_held_lock+0x2b/0x80 [ 34.663737][ T2741] netlink_rcv_skb+0x14e/0x3a0 [ 34.663739][ T2741] ? rtnl_link_fill+0x920/0x920 [ 34.663742][ T2741] ? netlink_ack+0xcf0/0xcf0 [ 34.663748][ T2741] ? netlink_deliver_tap+0xc5/0x330 [ 34.663751][ T2741] ? netlink_deliver_tap+0x13c/0x330 [ 34.663755][ T2741] netlink_unicast+0x486/0x750 [ 34.663759][ T2741] ? netlink_attachskb+0x810/0x810 [ 34.663761][ T2741] ? find_held_lock+0x2b/0x80 [ 34.663766][ T2741] netlink_sendmsg+0x75b/0xc90 [ 34.663772][ T2741] ? netlink_unicast+0x750/0x750 [ 34.663776][ T2741] ? __lock_release.isra.0+0x69/0x1a0 [ 34.663777][ T2741] ? __import_iovec+0x36c/0x620 [ 34.663783][ T2741] __sock_sendmsg+0xce/0x190 [ 34.663785][ T2741] ____sys_sendmsg+0x61a/0x860 [ 34.663787][ T2741] ? copy_msghdr_from_user+0x279/0x420 [ 34.663790][ T2741] ? sock_write_iter+0x400/0x400 [ 34.663791][ T2741] ? move_addr_to_kernel+0x40/0x40 [ 34.663799][ T2741] ___sys_sendmsg+0x14e/0x1d0 [ 34.663801][ T2741] ? copy_msghdr_from_user+0x420/0x420 [ 34.663817][ T2741] __sys_sendmsg+0x12c/0x1d0 [ 34.663820][ T2741] ? __sys_sendmsg_sock+0x20/0x20 [ 34.663826][ T2741] ? rcu_is_watching+0x16/0xd0 [ 34.663829][ T2741] do_syscall_64+0xff/0x530 [ 34.663832][ T2741] ? exc_page_fault+0xee/0x100 [ 34.663834][ T2741] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.663836][ T2741] RIP: 0033:0x7f895642a54e [ 34.663838][ T2741] 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 [ 34.663840][ T2741] RSP: 002b:00007ffe1b13cc30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.663843][ T2741] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f895642a54e [ 34.663844][ T2741] RDX: 0000000000000000 RSI: 00007ffe1b13cce0 RDI: 0000000000000005 [ 34.663845][ T2741] RBP: 00007ffe1b13cc40 R08: 0000000000000000 R09: 0000000000000000 [ 34.663846][ T2741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917018 [ 34.663846][ T2741] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1b13d3a0 [ 34.663853][ T2741] [ 34.702229][ T2741] br: port 3(d3) entered forwarding state [ 34.752217][ T57] br: port 2(d2) entered blocking state [ 34.752475][ T57] br: port 2(d2) entered forwarding state [ 34.780134][ T36] br: port 1(d1) entered blocking state [ 34.780353][ T36] br: port 1(d1) entered forwarding state [ 35.404430][ T2790] d3: left allmulticast mode [ 35.404691][ T2790] d3: left promiscuous mode [ 35.405018][ T2790] br: port 3(d3) entered disabled state [ 35.545706][ T2798] d2: left allmulticast mode [ 35.546587][ T2798] d2: left promiscuous mode [ 35.546953][ T2798] br: port 2(d2) entered disabled state [ 35.690864][ T2806] d1: left allmulticast mode [ 35.690877][ T2806] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.690878][ T2806] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2806, name: ip [ 35.690880][ T2806] preempt_count: 1, expected: 0 [ 35.690881][ T2806] RCU nest depth: 0, expected: 0 [ 35.690882][ T2806] locks held by ip/2806: 5, last CPU#0: [ 35.690884][ T2806] #0: ffffffffb651b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 35.690895][ T2806] #1: ffffffffb5d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 35.690901][ T2806] #2: ffffffffb5d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 35.690905][ T2806] #3: ffffffffb5c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 35.690908][ T2806] #4: ffffffffb5c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 35.690912][ T2806] irq event stamp: 12680 [ 35.690913][ T2806] hardirqs last enabled at (12679): [] __down_trylock_console_sem+0x86/0xa0 [ 35.690916][ T2806] hardirqs last disabled at (12680): [] console_emit_next_record+0x3d4/0x4c0 [ 35.690918][ T2806] softirqs last enabled at (12650): [] __alloc_skb+0x4c2/0x5f0 [ 35.690921][ T2806] softirqs last disabled at (12648): [] __alloc_skb+0x4c2/0x5f0 [ 35.690924][ T2806] Preemption disabled at: [ 35.690924][ T2806] [] vprintk_emit+0x31b/0x3e0 [ 35.690929][ T2806] CPU: 0 UID: 0 PID: 2806 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.690932][ T2806] Tainted: [W]=WARN [ 35.690933][ T2806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.690935][ T2806] Call Trace: [ 35.690936][ T2806] [ 35.690938][ T2806] dump_stack_lvl+0x6f/0xa0 [ 35.690943][ T2806] ? vprintk_emit+0x31b/0x3e0 [ 35.690945][ T2806] __might_resched.cold+0x1fe/0x2c1 [ 35.690949][ T2806] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.690954][ T2806] ? __kmalloc_noprof+0xdb/0x760 [ 35.690958][ T2806] __kmalloc_noprof+0x443/0x760 [ 35.690960][ T2806] ? alloc_buf.isra.0+0x4b/0x260 [ 35.690966][ T2806] ? do_raw_spin_unlock+0x59/0x250 [ 35.690969][ T2806] alloc_buf.isra.0+0x4b/0x260 [ 35.690972][ T2806] put_chars+0x1e1/0x2f0 [ 35.690975][ T2806] ? __send_to_port+0x420/0x420 [ 35.690977][ T2806] ? validate_chain+0x38b/0xc20 [ 35.690982][ T2806] hvc_console_print+0x292/0x780 [ 35.690990][ T2806] ? hvc_write+0x3a0/0x3a0 [ 35.690993][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691001][ T2806] ? lock_acquire+0x13c/0x160 [ 35.691005][ T2806] console_emit_next_record+0x22f/0x4c0 [ 35.691009][ T2806] ? devkmsg_read+0x4b0/0x4b0 [ 35.691011][ T2806] ? console_flush_one_record+0x106/0x710 [ 35.691014][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691016][ T2806] ? lock_acquire+0x13c/0x160 [ 35.691020][ T2806] console_flush_one_record+0x46f/0x710 [ 35.691024][ T2806] ? console_emit_next_record+0x4c0/0x4c0 [ 35.691025][ T2806] ? __lock_acquire+0x518/0xc20 [ 35.691031][ T2806] console_unlock+0xee/0x1f0 [ 35.691033][ T2806] ? console_flush_one_record+0x710/0x710 [ 35.691035][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691037][ T2806] ? lock_acquire+0xe0/0x160 [ 35.691040][ T2806] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.691042][ T2806] ? vprintk_emit+0x320/0x3e0 [ 35.691045][ T2806] vprintk_emit+0x37c/0x3e0 [ 35.691048][ T2806] ? wake_up_klogd_work_func+0x90/0x90 [ 35.691049][ T2806] ? rtnl_newlink+0x9f1/0x11b0 [ 35.691051][ T2806] ? netlink_rcv_skb+0x14e/0x3a0 [ 35.691054][ T2806] ? netlink_unicast+0x486/0x750 [ 35.691055][ T2806] ? netlink_sendmsg+0x75b/0xc90 [ 35.691057][ T2806] ? __sock_sendmsg+0xce/0x190 [ 35.691059][ T2806] ? ____sys_sendmsg+0x61a/0x860 [ 35.691061][ T2806] ? ___sys_sendmsg+0x14e/0x1d0 [ 35.691064][ T2806] _printk+0xc7/0x100 [ 35.691068][ T2806] ? snapshot_read.cold+0x21/0x21 [ 35.691072][ T2806] ? netdev_name+0x43/0x60 [ 35.691076][ T2806] ? __netdev_printk+0x17f/0x1d0 [ 35.691079][ T2806] netdev_info+0xe2/0x116 [ 35.691082][ T2806] ? netdev_notice+0x120/0x120 [ 35.691086][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691088][ T2806] ? __up_read+0x355/0x9e0 [ 35.691090][ T2806] ? down_write_nested+0x200/0x200 [ 35.691092][ T2806] ? mutex_is_locked+0x1c/0x50 [ 35.691094][ T2806] netif_set_allmulti.cold+0x7c/0x166 [ 35.691098][ T2806] dev_set_allmulti+0xa6/0x240 [ 35.691102][ T2806] del_nbp+0xb7/0xc10 [ 35.691108][ T2806] br_del_if+0xab/0x200 [ 35.691110][ T2806] ? rtnl_is_locked+0x15/0x20 [ 35.691113][ T2806] do_set_master+0x15c/0x780 [ 35.691116][ T2806] do_setlink.isra.0+0x9ec/0x2a60 [ 35.691120][ T2806] ? stack_trace_save+0x93/0xc0 [ 35.691123][ T2806] ? rtnl_link_get_size+0x350/0x350 [ 35.691124][ T2806] ? rcu_read_lock_any_held+0x66/0x90 [ 35.691127][ T2806] ? stack_depot_save_flags+0x38e/0x790 [ 35.691130][ T2806] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.691132][ T2806] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.691134][ T2806] ? validate_chain+0x38b/0xc20 [ 35.691136][ T2806] ? kasan_save_stack+0x3d/0x50 [ 35.691139][ T2806] ? kasan_save_stack+0x2f/0x50 [ 35.691140][ T2806] ? kasan_save_track+0x14/0x30 [ 35.691141][ T2806] ? __kasan_kmalloc+0x7b/0x90 [ 35.691144][ T2806] ? __lock_acquire+0x518/0xc20 [ 35.691145][ T2806] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 35.691148][ T2806] ? ___sys_sendmsg+0xd0/0x1d0 [ 35.691151][ T2806] ? lock_acquire.part.0+0xd4/0x280 [ 35.691153][ T2806] ? rtnl_newlink+0x9a8/0x11b0 [ 35.691156][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691157][ T2806] ? lock_acquire+0x13c/0x160 [ 35.691159][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691160][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691162][ T2806] ? trace_contention_end+0xb3/0x180 [ 35.691164][ T2806] ? __mutex_lock+0x1db/0x1ea0 [ 35.691166][ T2806] ? __mutex_lock+0x9a3/0x1ea0 [ 35.691168][ T2806] ? rtnl_newlink+0x9a8/0x11b0 [ 35.691171][ T2806] ? ww_mutex_lock+0x160/0x160 [ 35.691173][ T2806] ? nla_get_range_signed+0x3d0/0x3d0 [ 35.691177][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691180][ T2806] ? __rtnl_newlink+0x3fa/0xa50 [ 35.691185][ T2806] rtnl_newlink+0x9f1/0x11b0 [ 35.691190][ T2806] ? rtnl_bridge_getlink+0x850/0x850 [ 35.691192][ T2806] ? __lock_acquire+0x518/0xc20 [ 35.691196][ T2806] ? lock_acquire.part.0+0xd4/0x280 [ 35.691198][ T2806] ? find_held_lock+0x2b/0x80 [ 35.691200][ T2806] ? rtnl_bridge_getlink+0x850/0x850 [ 35.691202][ T2806] ? __lock_release.isra.0+0x69/0x1a0 [ 35.691205][ T2806] ? rtnl_bridge_getlink+0x850/0x850 [ 35.691207][ T2806] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 35.691210][ T2806] ? rtnl_link_fill+0x920/0x920 [ 35.691212][ T2806] ? __lock_acquire+0x518/0xc20 [ 35.691216][ T2806] ? lock_acquire.part.0+0xd4/0x280 [ 35.691218][ T2806] ? find_held_lock+0x2b/0x80 [ 35.691221][ T2806] netlink_rcv_skb+0x14e/0x3a0 [ 35.691223][ T2806] ? rtnl_link_fill+0x920/0x920 [ 35.691226][ T2806] ? netlink_ack+0xcf0/0xcf0 [ 35.691232][ T2806] ? netlink_deliver_tap+0xc5/0x330 [ 35.691234][ T2806] ? netlink_deliver_tap+0x13c/0x330 [ 35.691238][ T2806] netlink_unicast+0x486/0x750 [ 35.691242][ T2806] ? netlink_attachskb+0x810/0x810 [ 35.691245][ T2806] ? find_held_lock+0x2b/0x80 [ 35.691249][ T2806] netlink_sendmsg+0x75b/0xc90 [ 35.691253][ T2806] ? netlink_unicast+0x750/0x750 [ 35.691256][ T2806] ? __lock_release.isra.0+0x69/0x1a0 [ 35.691258][ T2806] ? __import_iovec+0x36c/0x620 [ 35.691263][ T2806] __sock_sendmsg+0xce/0x190 [ 35.691266][ T2806] ____sys_sendmsg+0x61a/0x860 [ 35.691268][ T2806] ? copy_msghdr_from_user+0x279/0x420 [ 35.691270][ T2806] ? sock_write_iter+0x400/0x400 [ 35.691272][ T2806] ? move_addr_to_kernel+0x40/0x40 [ 35.691279][ T2806] ___sys_sendmsg+0x14e/0x1d0 [ 35.691282][ T2806] ? copy_msghdr_from_user+0x420/0x420 [ 35.691297][ T2806] __sys_sendmsg+0x12c/0x1d0 [ 35.691299][ T2806] ? __sys_sendmsg_sock+0x20/0x20 [ 35.691305][ T2806] ? rcu_is_watching+0x16/0xd0 [ 35.691308][ T2806] do_syscall_64+0xff/0x530 [ 35.691311][ T2806] ? exc_page_fault+0xee/0x100 [ 35.691314][ T2806] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.691316][ T2806] RIP: 0033:0x7ff38a59d54e [ 35.691320][ T2806] 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 [ 35.691322][ T2806] RSP: 002b:00007ffc3b3818a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.691324][ T2806] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff38a59d54e [ 35.691326][ T2806] RDX: 0000000000000000 RSI: 00007ffc3b381950 RDI: 0000000000000005 [ 35.691327][ T2806] RBP: 00007ffc3b3818b0 R08: 0000000000000000 R09: 0000000000000000 [ 35.691327][ T2806] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917019 [ 35.691328][ T2806] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3b382010 [ 35.691335][ T2806] [ 35.727248][ T2806] d1: left promiscuous mode [ 35.727630][ T2806] br: port 1(d1) entered disabled state