[ 9.496953][ T226] br: port 1(d1) entered blocking state [ 9.497023][ T226] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.497025][ T226] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 226, name: ip [ 9.497027][ T226] preempt_count: 1, expected: 0 [ 9.497028][ T226] RCU nest depth: 0, expected: 0 [ 9.497029][ T226] locks held by ip/226: 5, last CPU#2: [ 9.497030][ T226] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 9.497042][ T226] #1: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.497048][ T226] #2: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.497052][ T226] #3: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.497056][ T226] #4: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.497060][ T226] irq event stamp: 14138 [ 9.497060][ T226] hardirqs last enabled at (14137): [] __down_trylock_console_sem+0x86/0xa0 [ 9.497064][ T226] hardirqs last disabled at (14138): [] console_emit_next_record+0x3d4/0x4c0 [ 9.497066][ T226] softirqs last enabled at (14080): [] handle_softirqs+0x67c/0x900 [ 9.497069][ T226] softirqs last disabled at (12773): [] __irq_exit_rcu+0x145/0x1c0 [ 9.497071][ T226] Preemption disabled at: [ 9.497072][ T226] [] vprintk_emit+0x31b/0x3e0 [ 9.497077][ T226] CPU: 2 UID: 0 PID: 226 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.497081][ T226] Tainted: [W]=WARN [ 9.497081][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.497083][ T226] Call Trace: [ 9.497085][ T226] [ 9.497086][ T226] dump_stack_lvl+0x6f/0xa0 [ 9.497092][ T226] ? vprintk_emit+0x31b/0x3e0 [ 9.497093][ T226] __might_resched.cold+0x1fe/0x2c1 [ 9.497098][ T226] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.497101][ T226] ? __kmalloc_noprof+0xdb/0x760 [ 9.497106][ T226] __kmalloc_noprof+0x443/0x760 [ 9.497108][ T226] ? alloc_buf.isra.0+0x4b/0x260 [ 9.497114][ T226] ? do_raw_spin_unlock+0x59/0x250 [ 9.497117][ T226] alloc_buf.isra.0+0x4b/0x260 [ 9.497120][ T226] put_chars+0x1e1/0x2f0 [ 9.497123][ T226] ? __send_to_port+0x420/0x420 [ 9.497125][ T226] ? validate_chain+0x34a/0xc20 [ 9.497130][ T226] hvc_console_print+0x292/0x780 [ 9.497138][ T226] ? hvc_write+0x3a0/0x3a0 [ 9.497140][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497143][ T226] ? lock_acquire+0x13c/0x160 [ 9.497147][ T226] console_emit_next_record+0x22f/0x4c0 [ 9.497151][ T226] ? devkmsg_read+0x4b0/0x4b0 [ 9.497152][ T226] ? console_flush_one_record+0x106/0x710 [ 9.497156][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497157][ T226] ? lock_acquire+0x13c/0x160 [ 9.497161][ T226] console_flush_one_record+0x46f/0x710 [ 9.497165][ T226] ? console_emit_next_record+0x4c0/0x4c0 [ 9.497167][ T226] ? __lock_acquire+0x518/0xc20 [ 9.497172][ T226] console_unlock+0xee/0x1f0 [ 9.497175][ T226] ? console_flush_one_record+0x710/0x710 [ 9.497177][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497178][ T226] ? lock_acquire+0xe0/0x160 [ 9.497182][ T226] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.497184][ T226] ? vprintk_emit+0x320/0x3e0 [ 9.497186][ T226] vprintk_emit+0x37c/0x3e0 [ 9.497189][ T226] ? wake_up_klogd_work_func+0x90/0x90 [ 9.497191][ T226] ? __lock_release.isra.0+0x69/0x1a0 [ 9.497192][ T226] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 9.497196][ T226] ? mark_held_locks+0x40/0x70 [ 9.497200][ T226] _printk+0xc7/0x100 [ 9.497203][ T226] ? snapshot_read.cold+0x21/0x21 [ 9.497207][ T226] ? br_multicast_flood+0x960/0x960 [ 9.497210][ T226] ? do_setlink.isra.0+0x9ec/0x2a60 [ 9.497211][ T226] ? rtnl_newlink+0x9f1/0x11b0 [ 9.497212][ T226] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 9.497216][ T226] br_set_state+0x22f/0x430 [ 9.497220][ T226] br_init_port+0xc4/0x200 [ 9.497223][ T226] new_nbp+0x3a0/0x650 [ 9.497226][ T226] br_add_if+0x212/0x1320 [ 9.497229][ T226] ? is_bpf_text_address+0x72/0x110 [ 9.497232][ T226] ? kernel_text_address+0x149/0x170 [ 9.497238][ T226] do_set_master+0x3b2/0x780 [ 9.497244][ T226] do_setlink.isra.0+0x9ec/0x2a60 [ 9.497247][ T226] ? stack_trace_save+0x93/0xc0 [ 9.497250][ T226] ? rtnl_link_get_size+0x350/0x350 [ 9.497252][ T226] ? rcu_read_lock_any_held+0x66/0x90 [ 9.497254][ T226] ? stack_depot_save_flags+0x38e/0x790 [ 9.497258][ T226] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.497260][ T226] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.497262][ T226] ? validate_chain+0x38b/0xc20 [ 9.497264][ T226] ? kasan_save_stack+0x3d/0x50 [ 9.497266][ T226] ? kasan_save_stack+0x2f/0x50 [ 9.497268][ T226] ? kasan_save_track+0x14/0x30 [ 9.497269][ T226] ? __kasan_kmalloc+0x7b/0x90 [ 9.497271][ T226] ? __lock_acquire+0x518/0xc20 [ 9.497273][ T226] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 9.497276][ T226] ? ___sys_sendmsg+0xd0/0x1d0 [ 9.497279][ T226] ? lock_acquire.part.0+0xd4/0x280 [ 9.497281][ T226] ? rtnl_newlink+0x9a8/0x11b0 [ 9.497284][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497285][ T226] ? lock_acquire+0x13c/0x160 [ 9.497287][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497288][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497290][ T226] ? trace_contention_end+0xb3/0x180 [ 9.497292][ T226] ? __mutex_lock+0x1db/0x1ea0 [ 9.497293][ T226] ? __mutex_lock+0x9a3/0x1ea0 [ 9.497295][ T226] ? rtnl_newlink+0x9a8/0x11b0 [ 9.497298][ T226] ? ww_mutex_lock+0x160/0x160 [ 9.497300][ T226] ? nla_get_range_signed+0x3d0/0x3d0 [ 9.497304][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497306][ T226] ? __rtnl_newlink+0x3fa/0xa50 [ 9.497312][ T226] rtnl_newlink+0x9f1/0x11b0 [ 9.497317][ T226] ? rtnl_bridge_getlink+0x850/0x850 [ 9.497319][ T226] ? __lock_acquire+0x518/0xc20 [ 9.497323][ T226] ? lock_acquire.part.0+0xd4/0x280 [ 9.497325][ T226] ? find_held_lock+0x2b/0x80 [ 9.497327][ T226] ? rtnl_bridge_getlink+0x850/0x850 [ 9.497329][ T226] ? __lock_release.isra.0+0x69/0x1a0 [ 9.497332][ T226] ? rtnl_bridge_getlink+0x850/0x850 [ 9.497334][ T226] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 9.497337][ T226] ? rtnl_link_fill+0x920/0x920 [ 9.497339][ T226] ? __lock_acquire+0x518/0xc20 [ 9.497343][ T226] ? lock_acquire.part.0+0xd4/0x280 [ 9.497345][ T226] ? find_held_lock+0x2b/0x80 [ 9.497348][ T226] netlink_rcv_skb+0x14e/0x3a0 [ 9.497351][ T226] ? rtnl_link_fill+0x920/0x920 [ 9.497354][ T226] ? netlink_ack+0xcf0/0xcf0 [ 9.497360][ T226] ? netlink_deliver_tap+0xc5/0x330 [ 9.497362][ T226] ? netlink_deliver_tap+0x13c/0x330 [ 9.497367][ T226] netlink_unicast+0x486/0x750 [ 9.497371][ T226] ? netlink_attachskb+0x810/0x810 [ 9.497373][ T226] ? find_held_lock+0x2b/0x80 [ 9.497377][ T226] netlink_sendmsg+0x75b/0xc90 [ 9.497381][ T226] ? netlink_unicast+0x750/0x750 [ 9.497385][ T226] ? __lock_release.isra.0+0x69/0x1a0 [ 9.497386][ T226] ? __import_iovec+0x36c/0x620 [ 9.497392][ T226] __sock_sendmsg+0xce/0x190 [ 9.497394][ T226] ____sys_sendmsg+0x61a/0x860 [ 9.497397][ T226] ? copy_msghdr_from_user+0x279/0x420 [ 9.497399][ T226] ? sock_write_iter+0x400/0x400 [ 9.497401][ T226] ? move_addr_to_kernel+0x40/0x40 [ 9.497408][ T226] ___sys_sendmsg+0x14e/0x1d0 [ 9.497410][ T226] ? copy_msghdr_from_user+0x420/0x420 [ 9.497430][ T226] __sys_sendmsg+0x12c/0x1d0 [ 9.497433][ T226] ? __sys_sendmsg_sock+0x20/0x20 [ 9.497439][ T226] ? rcu_is_watching+0x16/0xd0 [ 9.497442][ T226] do_syscall_64+0xff/0x530 [ 9.497445][ T226] ? exc_page_fault+0xee/0x100 [ 9.497448][ T226] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.497450][ T226] RIP: 0033:0x7f82072d654e [ 9.497454][ T226] 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 [ 9.497456][ T226] RSP: 002b:00007ffc83175790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.497458][ T226] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f82072d654e [ 9.497459][ T226] RDX: 0000000000000000 RSI: 00007ffc83175840 RDI: 0000000000000005 [ 9.497460][ T226] RBP: 00007ffc831757a0 R08: 0000000000000000 R09: 0000000000000000 [ 9.497461][ T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3d6 [ 9.497462][ T226] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc83175f00 [ 9.497469][ T226] [ 9.537493][ T226] br: port 1(d1) entered disabled state [ 9.537747][ T226] d1: entered allmulticast mode [ 9.538887][ T226] d1: entered promiscuous mode [ 9.539864][ T226] br: port 1(d1) entered blocking state [ 9.540175][ T226] br: port 1(d1) entered forwarding state [ 9.545852][ T226] ip (226) used greatest stack depth: 23336 bytes left [ 9.844479][ T254] br: port 2(d2) entered blocking state [ 9.844724][ T254] br: port 2(d2) entered disabled state [ 9.844943][ T254] d2: entered allmulticast mode [ 9.852483][ T254] d2: entered promiscuous mode [ 9.853084][ T254] br: port 2(d2) entered blocking state [ 9.853305][ T254] br: port 2(d2) entered forwarding state [ 10.151577][ T282] br: port 3(d3) entered blocking state [ 10.151814][ T282] br: port 3(d3) entered disabled state [ 10.152033][ T282] d3: entered allmulticast mode [ 10.153053][ T282] d3: entered promiscuous mode [ 10.159800][ T282] br: port 3(d3) entered blocking state [ 10.160021][ T282] br: port 3(d3) entered forwarding state [ 11.058058][ T377] br: port 1(d1) entered disabled state [ 11.058075][ T377] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.058077][ T377] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 377, name: ip [ 11.058078][ T377] preempt_count: 202, expected: 0 [ 11.058079][ T377] RCU nest depth: 0, expected: 0 [ 11.058080][ T377] locks held by ip/377: 6, last CPU#2: [ 11.058082][ T377] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 11.058094][ T377] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 11.058099][ T377] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.058104][ T377] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.058108][ T377] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.058112][ T377] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.058116][ T377] irq event stamp: 18503 [ 11.058117][ T377] hardirqs last enabled at (18502): [] __down_trylock_console_sem+0x86/0xa0 [ 11.058120][ T377] hardirqs last disabled at (18503): [] console_emit_next_record+0x3d4/0x4c0 [ 11.058122][ T377] softirqs last enabled at (18486): [] ipv6_mc_down+0x134/0x2d0 [ 11.058125][ T377] softirqs last disabled at (18498): [] br_device_event+0x1d7/0x8f0 [ 11.058127][ T377] Preemption disabled at: [ 11.058128][ T377] [<0000000000000000>] 0x0 [ 11.058134][ T377] CPU: 2 UID: 0 PID: 377 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.058138][ T377] Tainted: [W]=WARN [ 11.058139][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.058140][ T377] Call Trace: [ 11.058142][ T377] [ 11.058143][ T377] dump_stack_lvl+0x6f/0xa0 [ 11.058150][ T377] __might_resched.cold+0x1fe/0x2c1 [ 11.058154][ T377] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.058158][ T377] ? __kmalloc_noprof+0xdb/0x760 [ 11.058163][ T377] __kmalloc_noprof+0x443/0x760 [ 11.058165][ T377] ? alloc_buf.isra.0+0x4b/0x260 [ 11.058171][ T377] ? do_raw_spin_unlock+0x59/0x250 [ 11.058174][ T377] alloc_buf.isra.0+0x4b/0x260 [ 11.058178][ T377] put_chars+0x1e1/0x2f0 [ 11.058180][ T377] ? __send_to_port+0x420/0x420 [ 11.058187][ T377] hvc_console_print+0x292/0x780 [ 11.058194][ T377] ? hvc_write+0x3a0/0x3a0 [ 11.058197][ T377] ? lock_acquire+0x13c/0x160 [ 11.058202][ T377] console_emit_next_record+0x22f/0x4c0 [ 11.058206][ T377] ? devkmsg_read+0x4b0/0x4b0 [ 11.058207][ T377] ? console_flush_one_record+0x106/0x710 [ 11.058211][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058213][ T377] ? lock_acquire+0x13c/0x160 [ 11.058217][ T377] console_flush_one_record+0x46f/0x710 [ 11.058221][ T377] ? console_emit_next_record+0x4c0/0x4c0 [ 11.058223][ T377] ? __lock_acquire+0x518/0xc20 [ 11.058229][ T377] console_unlock+0xee/0x1f0 [ 11.058232][ T377] ? console_flush_one_record+0x710/0x710 [ 11.058233][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058235][ T377] ? lock_acquire+0xe0/0x160 [ 11.058239][ T377] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.058243][ T377] ? vprintk_emit+0x320/0x3e0 [ 11.058245][ T377] vprintk_emit+0x37c/0x3e0 [ 11.058248][ T377] ? wake_up_klogd_work_func+0x90/0x90 [ 11.058250][ T377] ? mark_held_locks+0x40/0x70 [ 11.058252][ T377] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.058254][ T377] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.058258][ T377] _printk+0xc7/0x100 [ 11.058262][ T377] ? snapshot_read.cold+0x21/0x21 [ 11.058269][ T377] br_set_state+0x22f/0x430 [ 11.058273][ T377] br_stp_disable_port+0x11f/0x390 [ 11.058277][ T377] br_device_event+0x7b5/0x8f0 [ 11.058279][ T377] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.058283][ T377] ? packet_sendmsg_spkt+0x1360/0x1360 [ 11.058288][ T377] notifier_call_chain+0xae/0x300 [ 11.058294][ T377] __dev_notify_flags+0x23c/0x450 [ 11.058299][ T377] ? netif_change_name+0x8c0/0x8c0 [ 11.058303][ T377] ? netif_set_allmulti+0x2c0/0x2c0 [ 11.058306][ T377] ? __kernel_text_address+0x12/0x30 [ 11.058308][ T377] ? write_profile+0xf0/0xf0 [ 11.058313][ T377] netif_change_flags+0xfe/0x190 [ 11.058317][ T377] do_setlink.isra.0+0x1d25/0x2a60 [ 11.058320][ T377] ? stack_trace_save+0x93/0xc0 [ 11.058322][ T377] ? rtnl_link_get_size+0x350/0x350 [ 11.058324][ T377] ? rcu_read_lock_any_held+0x66/0x90 [ 11.058326][ T377] ? stack_depot_save_flags+0x38e/0x790 [ 11.058329][ T377] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.058331][ T377] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.058333][ T377] ? validate_chain+0x38b/0xc20 [ 11.058335][ T377] ? kasan_save_stack+0x3d/0x50 [ 11.058337][ T377] ? kasan_save_stack+0x2f/0x50 [ 11.058339][ T377] ? kasan_save_track+0x14/0x30 [ 11.058340][ T377] ? __kasan_kmalloc+0x7b/0x90 [ 11.058342][ T377] ? __lock_acquire+0x518/0xc20 [ 11.058344][ T377] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 11.058347][ T377] ? ___sys_sendmsg+0xd0/0x1d0 [ 11.058351][ T377] ? lock_acquire.part.0+0xd4/0x280 [ 11.058353][ T377] ? rtnl_newlink+0x9a8/0x11b0 [ 11.058355][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058357][ T377] ? lock_acquire+0x13c/0x160 [ 11.058358][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058359][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058361][ T377] ? trace_contention_end+0xb3/0x180 [ 11.058363][ T377] ? __mutex_lock+0x1db/0x1ea0 [ 11.058365][ T377] ? __mutex_lock+0x9a3/0x1ea0 [ 11.058367][ T377] ? rtnl_newlink+0x9a8/0x11b0 [ 11.058370][ T377] ? ww_mutex_lock+0x160/0x160 [ 11.058373][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058376][ T377] ? __rtnl_newlink+0x3fa/0xa50 [ 11.058381][ T377] rtnl_newlink+0x9f1/0x11b0 [ 11.058386][ T377] ? rtnl_bridge_getlink+0x850/0x850 [ 11.058388][ T377] ? __lock_acquire+0x518/0xc20 [ 11.058392][ T377] ? lock_acquire.part.0+0xd4/0x280 [ 11.058394][ T377] ? find_held_lock+0x2b/0x80 [ 11.058396][ T377] ? rtnl_bridge_getlink+0x850/0x850 [ 11.058398][ T377] ? __lock_release.isra.0+0x69/0x1a0 [ 11.058402][ T377] ? rtnl_bridge_getlink+0x850/0x850 [ 11.058404][ T377] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.058407][ T377] ? rtnl_link_fill+0x920/0x920 [ 11.058408][ T377] ? __lock_acquire+0x518/0xc20 [ 11.058412][ T377] ? lock_acquire.part.0+0xd4/0x280 [ 11.058414][ T377] ? find_held_lock+0x2b/0x80 [ 11.058418][ T377] netlink_rcv_skb+0x14e/0x3a0 [ 11.058421][ T377] ? rtnl_link_fill+0x920/0x920 [ 11.058427][ T377] ? netlink_ack+0xcf0/0xcf0 [ 11.058434][ T377] ? netlink_deliver_tap+0xc5/0x330 [ 11.058436][ T377] ? netlink_deliver_tap+0x13c/0x330 [ 11.058440][ T377] netlink_unicast+0x486/0x750 [ 11.058444][ T377] ? netlink_attachskb+0x810/0x810 [ 11.058447][ T377] ? find_held_lock+0x2b/0x80 [ 11.058451][ T377] netlink_sendmsg+0x75b/0xc90 [ 11.058455][ T377] ? netlink_unicast+0x750/0x750 [ 11.058459][ T377] ? __lock_release.isra.0+0x69/0x1a0 [ 11.058460][ T377] ? __import_iovec+0x36c/0x620 [ 11.058466][ T377] __sock_sendmsg+0xce/0x190 [ 11.058468][ T377] ____sys_sendmsg+0x61a/0x860 [ 11.058470][ T377] ? copy_msghdr_from_user+0x279/0x420 [ 11.058473][ T377] ? sock_write_iter+0x400/0x400 [ 11.058474][ T377] ? move_addr_to_kernel+0x40/0x40 [ 11.058482][ T377] ___sys_sendmsg+0x14e/0x1d0 [ 11.058484][ T377] ? copy_msghdr_from_user+0x420/0x420 [ 11.058500][ T377] __sys_sendmsg+0x12c/0x1d0 [ 11.058503][ T377] ? __sys_sendmsg_sock+0x20/0x20 [ 11.058509][ T377] ? rcu_is_watching+0x16/0xd0 [ 11.058512][ T377] do_syscall_64+0xff/0x530 [ 11.058515][ T377] ? exc_page_fault+0xee/0x100 [ 11.058518][ T377] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.058520][ T377] RIP: 0033:0x7fa1a1a2654e [ 11.058522][ T377] 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 [ 11.058524][ T377] RSP: 002b:00007ffee952d160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.058526][ T377] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa1a1a2654e [ 11.058528][ T377] RDX: 0000000000000000 RSI: 00007ffee952d210 RDI: 0000000000000005 [ 11.058529][ T377] RBP: 00007ffee952d170 R08: 0000000000000000 R09: 0000000000000000 [ 11.058529][ T377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3d8 [ 11.058530][ T377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee952d8d0 [ 11.058537][ T377] [ 11.118484][ T377] ip (377) used greatest stack depth: 23016 bytes left [ 11.419331][ T39] br: port 1(d1) entered blocking state [ 11.419777][ T39] br: port 1(d1) entered forwarding state [ 11.492829][ T424] br: port 2(d2) entered disabled state [ 11.788912][ T462] br: port 2(d2) entered blocking state [ 11.789214][ T462] br: port 2(d2) entered forwarding state [ 11.874410][ T470] br: port 1(d1) entered disabled state [ 11.949730][ T478] br: port 2(d2) entered disabled state [ 12.256226][ T516] br: port 2(d2) entered blocking state [ 12.256244][ T516] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.256246][ T516] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 516, name: ip [ 12.256248][ T516] preempt_count: 202, expected: 0 [ 12.256248][ T516] RCU nest depth: 0, expected: 0 [ 12.256249][ T516] locks held by ip/516: 6, last CPU#3: [ 12.256251][ T516] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.256263][ T516] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 12.256269][ T516] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.256274][ T516] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.256278][ T516] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.256282][ T516] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.256286][ T516] irq event stamp: 19925 [ 12.256287][ T516] hardirqs last enabled at (19924): [] __down_trylock_console_sem+0x86/0xa0 [ 12.256290][ T516] hardirqs last disabled at (19925): [] console_emit_next_record+0x3d4/0x4c0 [ 12.256292][ T516] softirqs last enabled at (19886): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 12.256295][ T516] softirqs last disabled at (19920): [] br_device_event+0x5fd/0x8f0 [ 12.256298][ T516] Preemption disabled at: [ 12.256298][ T516] [<0000000000000000>] 0x0 [ 12.256305][ T516] CPU: 3 UID: 0 PID: 516 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.256308][ T516] Tainted: [W]=WARN [ 12.256309][ T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.256311][ T516] Call Trace: [ 12.256312][ T516] [ 12.256314][ T516] dump_stack_lvl+0x6f/0xa0 [ 12.256320][ T516] __might_resched.cold+0x1fe/0x2c1 [ 12.256325][ T516] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.256329][ T516] ? __kmalloc_noprof+0xdb/0x760 [ 12.256333][ T516] __kmalloc_noprof+0x443/0x760 [ 12.256335][ T516] ? alloc_buf.isra.0+0x4b/0x260 [ 12.256342][ T516] ? do_raw_spin_unlock+0x59/0x250 [ 12.256344][ T516] alloc_buf.isra.0+0x4b/0x260 [ 12.256348][ T516] put_chars+0x1e1/0x2f0 [ 12.256350][ T516] ? __send_to_port+0x420/0x420 [ 12.256351][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.256355][ T516] ? validate_chain+0x38b/0xc20 [ 12.256360][ T516] hvc_console_print+0x292/0x780 [ 12.256368][ T516] ? hvc_write+0x3a0/0x3a0 [ 12.256370][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256372][ T516] ? lock_acquire+0x13c/0x160 [ 12.256376][ T516] console_emit_next_record+0x22f/0x4c0 [ 12.256380][ T516] ? devkmsg_read+0x4b0/0x4b0 [ 12.256382][ T516] ? console_flush_one_record+0x106/0x710 [ 12.256385][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256387][ T516] ? lock_acquire+0x13c/0x160 [ 12.256391][ T516] console_flush_one_record+0x46f/0x710 [ 12.256395][ T516] ? console_emit_next_record+0x4c0/0x4c0 [ 12.256396][ T516] ? __lock_acquire+0x518/0xc20 [ 12.256402][ T516] console_unlock+0xee/0x1f0 [ 12.256404][ T516] ? console_flush_one_record+0x710/0x710 [ 12.256406][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256408][ T516] ? lock_acquire+0xe0/0x160 [ 12.256411][ T516] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.256413][ T516] ? vprintk_emit+0x320/0x3e0 [ 12.256416][ T516] vprintk_emit+0x37c/0x3e0 [ 12.256419][ T516] ? wake_up_klogd_work_func+0x90/0x90 [ 12.256421][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.256423][ T516] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.256431][ T516] _printk+0xc7/0x100 [ 12.256435][ T516] ? snapshot_read.cold+0x21/0x21 [ 12.256440][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.256444][ T516] br_set_state+0x22f/0x430 [ 12.256449][ T516] br_init_port+0xc4/0x200 [ 12.256451][ T516] br_stp_enable_port+0x12/0x50 [ 12.256453][ T516] br_device_event+0x605/0x8f0 [ 12.256456][ T516] ? packet_sendmsg_spkt+0x1360/0x1360 [ 12.256457][ T516] ? nlmsg_notify+0x62/0x250 [ 12.256464][ T516] notifier_call_chain+0xae/0x300 [ 12.256470][ T516] __dev_notify_flags+0x1b7/0x450 [ 12.256475][ T516] ? netif_change_name+0x8c0/0x8c0 [ 12.256478][ T516] ? netif_set_allmulti+0x2c0/0x2c0 [ 12.256481][ T516] ? kernel_text_address+0x149/0x170 [ 12.256484][ T516] ? __kernel_text_address+0x12/0x30 [ 12.256485][ T516] ? write_profile+0xf0/0xf0 [ 12.256490][ T516] netif_change_flags+0xfe/0x190 [ 12.256494][ T516] do_setlink.isra.0+0x1d25/0x2a60 [ 12.256497][ T516] ? stack_trace_save+0x93/0xc0 [ 12.256499][ T516] ? rtnl_link_get_size+0x350/0x350 [ 12.256500][ T516] ? rcu_read_lock_any_held+0x66/0x90 [ 12.256502][ T516] ? stack_depot_save_flags+0x38e/0x790 [ 12.256505][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.256507][ T516] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.256509][ T516] ? validate_chain+0x38b/0xc20 [ 12.256511][ T516] ? kasan_save_stack+0x3d/0x50 [ 12.256514][ T516] ? kasan_save_stack+0x2f/0x50 [ 12.256515][ T516] ? kasan_save_track+0x14/0x30 [ 12.256516][ T516] ? __kasan_kmalloc+0x7b/0x90 [ 12.256518][ T516] ? __lock_acquire+0x518/0xc20 [ 12.256520][ T516] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.256523][ T516] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.256527][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.256529][ T516] ? rtnl_newlink+0x9a8/0x11b0 [ 12.256531][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256533][ T516] ? lock_acquire+0x13c/0x160 [ 12.256535][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256536][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256537][ T516] ? trace_contention_end+0xb3/0x180 [ 12.256540][ T516] ? __mutex_lock+0x1db/0x1ea0 [ 12.256542][ T516] ? __mutex_lock+0x9a3/0x1ea0 [ 12.256544][ T516] ? rtnl_newlink+0x9a8/0x11b0 [ 12.256547][ T516] ? ww_mutex_lock+0x160/0x160 [ 12.256551][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256553][ T516] ? __rtnl_newlink+0x3fa/0xa50 [ 12.256558][ T516] rtnl_newlink+0x9f1/0x11b0 [ 12.256564][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.256566][ T516] ? __lock_acquire+0x518/0xc20 [ 12.256570][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.256572][ T516] ? find_held_lock+0x2b/0x80 [ 12.256574][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.256576][ T516] ? __lock_release.isra.0+0x69/0x1a0 [ 12.256580][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.256582][ T516] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.256585][ T516] ? rtnl_link_fill+0x920/0x920 [ 12.256586][ T516] ? __lock_acquire+0x518/0xc20 [ 12.256590][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.256592][ T516] ? find_held_lock+0x2b/0x80 [ 12.256596][ T516] netlink_rcv_skb+0x14e/0x3a0 [ 12.256598][ T516] ? rtnl_link_fill+0x920/0x920 [ 12.256601][ T516] ? netlink_ack+0xcf0/0xcf0 [ 12.256607][ T516] ? netlink_deliver_tap+0xc5/0x330 [ 12.256609][ T516] ? netlink_deliver_tap+0x13c/0x330 [ 12.256613][ T516] netlink_unicast+0x486/0x750 [ 12.256617][ T516] ? netlink_attachskb+0x810/0x810 [ 12.256620][ T516] ? find_held_lock+0x2b/0x80 [ 12.256624][ T516] netlink_sendmsg+0x75b/0xc90 [ 12.256628][ T516] ? netlink_unicast+0x750/0x750 [ 12.256632][ T516] ? __lock_release.isra.0+0x69/0x1a0 [ 12.256633][ T516] ? __import_iovec+0x36c/0x620 [ 12.256638][ T516] __sock_sendmsg+0xce/0x190 [ 12.256641][ T516] ____sys_sendmsg+0x61a/0x860 [ 12.256643][ T516] ? copy_msghdr_from_user+0x279/0x420 [ 12.256646][ T516] ? sock_write_iter+0x400/0x400 [ 12.256647][ T516] ? move_addr_to_kernel+0x40/0x40 [ 12.256655][ T516] ___sys_sendmsg+0x14e/0x1d0 [ 12.256657][ T516] ? copy_msghdr_from_user+0x420/0x420 [ 12.256673][ T516] __sys_sendmsg+0x12c/0x1d0 [ 12.256676][ T516] ? __sys_sendmsg_sock+0x20/0x20 [ 12.256682][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.256685][ T516] do_syscall_64+0xff/0x530 [ 12.256688][ T516] ? exc_page_fault+0xee/0x100 [ 12.256691][ T516] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.256693][ T516] RIP: 0033:0x7f1ff811854e [ 12.256695][ 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 [ 12.256697][ T516] RSP: 002b:00007ffc521bb780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.256699][ T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1ff811854e [ 12.256701][ T516] RDX: 0000000000000000 RSI: 00007ffc521bb830 RDI: 0000000000000005 [ 12.256702][ T516] RBP: 00007ffc521bb790 R08: 0000000000000000 R09: 0000000000000000 [ 12.256702][ T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3d9 [ 12.256703][ T516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc521bbef0 [ 12.256710][ T516] [ 12.293170][ T516] br: port 2(d2) entered forwarding state [ 12.327569][ T39] br: port 1(d1) entered blocking state [ 12.327788][ T39] br: port 1(d1) entered forwarding state [ 12.412059][ T526] br: port 1(d1) entered disabled state [ 12.481852][ T534] br: port 2(d2) entered disabled state [ 12.570123][ T542] br: port 3(d3) entered disabled state [ 12.860746][ T580] br: port 3(d3) entered blocking state [ 12.861002][ T580] br: port 3(d3) entered forwarding state [ 12.888407][ T582] br: port 2(d2) entered blocking state [ 12.888689][ T582] br: port 2(d2) entered forwarding state [ 12.928976][ T584] br: port 1(d1) entered blocking state [ 12.929265][ T584] br: port 1(d1) entered forwarding state [ 13.587683][ T639] br: port 1(d1) entered disabled state [ 13.587701][ T639] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.587704][ T639] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 639, name: ip [ 13.587705][ T639] preempt_count: 202, expected: 0 [ 13.587706][ T639] RCU nest depth: 0, expected: 0 [ 13.587707][ T639] locks held by ip/639: 6, last CPU#2: [ 13.587708][ T639] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 13.587721][ T639] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 13.587726][ T639] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.587732][ T639] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.587736][ T639] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.587739][ T639] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.587743][ T639] irq event stamp: 23379 [ 13.587744][ T639] hardirqs last enabled at (23378): [] __down_trylock_console_sem+0x86/0xa0 [ 13.587747][ T639] hardirqs last disabled at (23379): [] console_emit_next_record+0x3d4/0x4c0 [ 13.587750][ T639] softirqs last enabled at (23362): [] ipv6_mc_down+0x134/0x2d0 [ 13.587753][ T639] softirqs last disabled at (23374): [] br_device_event+0x1d7/0x8f0 [ 13.587755][ T639] Preemption disabled at: [ 13.587756][ T639] [<0000000000000000>] 0x0 [ 13.587762][ T639] CPU: 2 UID: 0 PID: 639 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.587766][ T639] Tainted: [W]=WARN [ 13.587767][ T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.587768][ T639] Call Trace: [ 13.587770][ T639] [ 13.587771][ T639] dump_stack_lvl+0x6f/0xa0 [ 13.587778][ T639] __might_resched.cold+0x1fe/0x2c1 [ 13.587782][ T639] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.587787][ T639] ? __kmalloc_noprof+0xdb/0x760 [ 13.587791][ T639] __kmalloc_noprof+0x443/0x760 [ 13.587793][ T639] ? alloc_buf.isra.0+0x4b/0x260 [ 13.587799][ T639] ? do_raw_spin_unlock+0x59/0x250 [ 13.587802][ T639] alloc_buf.isra.0+0x4b/0x260 [ 13.587806][ T639] put_chars+0x1e1/0x2f0 [ 13.587808][ T639] ? __send_to_port+0x420/0x420 [ 13.587814][ T639] hvc_console_print+0x292/0x780 [ 13.587822][ T639] ? hvc_write+0x3a0/0x3a0 [ 13.587825][ T639] ? lock_acquire+0x13c/0x160 [ 13.587829][ T639] console_emit_next_record+0x22f/0x4c0 [ 13.587833][ T639] ? devkmsg_read+0x4b0/0x4b0 [ 13.587835][ T639] ? console_flush_one_record+0x106/0x710 [ 13.587838][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.587841][ T639] ? lock_acquire+0x13c/0x160 [ 13.587845][ T639] console_flush_one_record+0x46f/0x710 [ 13.587849][ T639] ? console_emit_next_record+0x4c0/0x4c0 [ 13.587851][ T639] ? __lock_acquire+0x518/0xc20 [ 13.587856][ T639] console_unlock+0xee/0x1f0 [ 13.587859][ T639] ? console_flush_one_record+0x710/0x710 [ 13.587861][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.587862][ T639] ? lock_acquire+0xe0/0x160 [ 13.587866][ T639] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.587868][ T639] ? vprintk_emit+0x320/0x3e0 [ 13.587870][ T639] vprintk_emit+0x37c/0x3e0 [ 13.587874][ T639] ? wake_up_klogd_work_func+0x90/0x90 [ 13.587875][ T639] ? mark_held_locks+0x40/0x70 [ 13.587877][ T639] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.587879][ T639] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.587884][ T639] _printk+0xc7/0x100 [ 13.587888][ T639] ? snapshot_read.cold+0x21/0x21 [ 13.587895][ T639] br_set_state+0x22f/0x430 [ 13.587899][ T639] br_stp_disable_port+0x11f/0x390 [ 13.587903][ T639] br_device_event+0x7b5/0x8f0 [ 13.587905][ T639] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.587909][ T639] ? packet_sendmsg_spkt+0x1360/0x1360 [ 13.587914][ T639] notifier_call_chain+0xae/0x300 [ 13.587920][ T639] __dev_notify_flags+0x23c/0x450 [ 13.587925][ T639] ? netif_change_name+0x8c0/0x8c0 [ 13.587929][ T639] ? netif_set_allmulti+0x2c0/0x2c0 [ 13.587932][ T639] ? __kernel_text_address+0x12/0x30 [ 13.587935][ T639] ? write_profile+0xf0/0xf0 [ 13.587939][ T639] netif_change_flags+0xfe/0x190 [ 13.587943][ T639] do_setlink.isra.0+0x1d25/0x2a60 [ 13.587947][ T639] ? stack_trace_save+0x93/0xc0 [ 13.587949][ T639] ? rtnl_link_get_size+0x350/0x350 [ 13.587950][ T639] ? rcu_read_lock_any_held+0x66/0x90 [ 13.587952][ T639] ? stack_depot_save_flags+0x38e/0x790 [ 13.587955][ T639] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.587957][ T639] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.587959][ T639] ? validate_chain+0x38b/0xc20 [ 13.587961][ T639] ? kasan_save_stack+0x3d/0x50 [ 13.587963][ T639] ? kasan_save_stack+0x2f/0x50 [ 13.587965][ T639] ? kasan_save_track+0x14/0x30 [ 13.587966][ T639] ? __kasan_kmalloc+0x7b/0x90 [ 13.587968][ T639] ? __lock_acquire+0x518/0xc20 [ 13.587970][ T639] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 13.587973][ T639] ? ___sys_sendmsg+0xd0/0x1d0 [ 13.587977][ T639] ? lock_acquire.part.0+0xd4/0x280 [ 13.587979][ T639] ? rtnl_newlink+0x9a8/0x11b0 [ 13.587981][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.587983][ T639] ? lock_acquire+0x13c/0x160 [ 13.587984][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.587986][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.587987][ T639] ? trace_contention_end+0xb3/0x180 [ 13.587990][ T639] ? __mutex_lock+0x1db/0x1ea0 [ 13.587991][ T639] ? __mutex_lock+0x9a3/0x1ea0 [ 13.587993][ T639] ? rtnl_newlink+0x9a8/0x11b0 [ 13.587996][ T639] ? ww_mutex_lock+0x160/0x160 [ 13.588000][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.588002][ T639] ? __rtnl_newlink+0x3fa/0xa50 [ 13.588007][ T639] rtnl_newlink+0x9f1/0x11b0 [ 13.588012][ T639] ? rtnl_bridge_getlink+0x850/0x850 [ 13.588014][ T639] ? __lock_acquire+0x518/0xc20 [ 13.588019][ T639] ? lock_acquire.part.0+0xd4/0x280 [ 13.588021][ T639] ? find_held_lock+0x2b/0x80 [ 13.588023][ T639] ? rtnl_bridge_getlink+0x850/0x850 [ 13.588025][ T639] ? __lock_release.isra.0+0x69/0x1a0 [ 13.588029][ T639] ? rtnl_bridge_getlink+0x850/0x850 [ 13.588031][ T639] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.588034][ T639] ? rtnl_link_fill+0x920/0x920 [ 13.588035][ T639] ? __lock_acquire+0x518/0xc20 [ 13.588040][ T639] ? lock_acquire.part.0+0xd4/0x280 [ 13.588042][ T639] ? find_held_lock+0x2b/0x80 [ 13.588045][ T639] netlink_rcv_skb+0x14e/0x3a0 [ 13.588048][ T639] ? rtnl_link_fill+0x920/0x920 [ 13.588051][ T639] ? netlink_ack+0xcf0/0xcf0 [ 13.588057][ T639] ? netlink_deliver_tap+0xc5/0x330 [ 13.588059][ T639] ? netlink_deliver_tap+0x13c/0x330 [ 13.588064][ T639] netlink_unicast+0x486/0x750 [ 13.588068][ T639] ? netlink_attachskb+0x810/0x810 [ 13.588070][ T639] ? find_held_lock+0x2b/0x80 [ 13.588074][ T639] netlink_sendmsg+0x75b/0xc90 [ 13.588078][ T639] ? netlink_unicast+0x750/0x750 [ 13.588082][ T639] ? __lock_release.isra.0+0x69/0x1a0 [ 13.588084][ T639] ? __import_iovec+0x36c/0x620 [ 13.588089][ T639] __sock_sendmsg+0xce/0x190 [ 13.588091][ T639] ____sys_sendmsg+0x61a/0x860 [ 13.588094][ T639] ? copy_msghdr_from_user+0x279/0x420 [ 13.588096][ T639] ? sock_write_iter+0x400/0x400 [ 13.588097][ T639] ? move_addr_to_kernel+0x40/0x40 [ 13.588105][ T639] ___sys_sendmsg+0x14e/0x1d0 [ 13.588107][ T639] ? copy_msghdr_from_user+0x420/0x420 [ 13.588123][ T639] __sys_sendmsg+0x12c/0x1d0 [ 13.588126][ T639] ? __sys_sendmsg_sock+0x20/0x20 [ 13.588132][ T639] ? rcu_is_watching+0x16/0xd0 [ 13.588135][ T639] do_syscall_64+0xff/0x530 [ 13.588138][ T639] ? exc_page_fault+0xee/0x100 [ 13.588141][ T639] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.588143][ T639] RIP: 0033:0x7fc6d77e854e [ 13.588145][ T639] 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 [ 13.588146][ T639] RSP: 002b:00007ffeb43f52f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.588149][ T639] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc6d77e854e [ 13.588150][ T639] RDX: 0000000000000000 RSI: 00007ffeb43f53a0 RDI: 0000000000000005 [ 13.588151][ T639] RBP: 00007ffeb43f5300 R08: 0000000000000000 R09: 0000000000000000 [ 13.588152][ T639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3da [ 13.588153][ T639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb43f5a60 [ 13.588160][ T639] [ 13.936938][ T677] br: port 1(d1) entered blocking state [ 13.937199][ T677] br: port 1(d1) entered forwarding state [ 14.006834][ T685] br: port 2(d2) entered disabled state [ 14.321623][ T46] br: port 2(d2) entered blocking state [ 14.321859][ T46] br: port 2(d2) entered forwarding state [ 14.400727][ T731] br: port 1(d1) entered disabled state [ 14.475400][ T739] br: port 2(d2) entered disabled state [ 14.787412][ T777] br: port 2(d2) entered blocking state [ 14.787430][ T777] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.787431][ T777] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 777, name: ip [ 14.787433][ T777] preempt_count: 202, expected: 0 [ 14.787434][ T777] RCU nest depth: 0, expected: 0 [ 14.787434][ T777] locks held by ip/777: 6, last CPU#3: [ 14.787442][ T777] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.787453][ T777] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 14.787459][ T777] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.787464][ T777] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.787468][ T777] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.787472][ T777] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.787476][ T777] irq event stamp: 14585 [ 14.787477][ T777] hardirqs last enabled at (14584): [] __down_trylock_console_sem+0x86/0xa0 [ 14.787480][ T777] hardirqs last disabled at (14585): [] console_emit_next_record+0x3d4/0x4c0 [ 14.787482][ T777] softirqs last enabled at (14546): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 14.787485][ T777] softirqs last disabled at (14580): [] br_device_event+0x5fd/0x8f0 [ 14.787487][ T777] Preemption disabled at: [ 14.787488][ T777] [<0000000000000000>] 0x0 [ 14.787494][ T777] CPU: 3 UID: 0 PID: 777 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.787498][ T777] Tainted: [W]=WARN [ 14.787498][ T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.787500][ T777] Call Trace: [ 14.787501][ T777] [ 14.787503][ T777] dump_stack_lvl+0x6f/0xa0 [ 14.787509][ T777] __might_resched.cold+0x1fe/0x2c1 [ 14.787513][ T777] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.787517][ T777] ? __kmalloc_noprof+0xdb/0x760 [ 14.787521][ T777] __kmalloc_noprof+0x443/0x760 [ 14.787523][ T777] ? alloc_buf.isra.0+0x4b/0x260 [ 14.787530][ T777] ? do_raw_spin_unlock+0x59/0x250 [ 14.787532][ T777] alloc_buf.isra.0+0x4b/0x260 [ 14.787536][ T777] put_chars+0x1e1/0x2f0 [ 14.787538][ T777] ? __send_to_port+0x420/0x420 [ 14.787540][ T777] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.787543][ T777] ? validate_chain+0x38b/0xc20 [ 14.787549][ T777] hvc_console_print+0x292/0x780 [ 14.787556][ T777] ? hvc_write+0x3a0/0x3a0 [ 14.787559][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787561][ T777] ? lock_acquire+0x13c/0x160 [ 14.787565][ T777] console_emit_next_record+0x22f/0x4c0 [ 14.787569][ T777] ? devkmsg_read+0x4b0/0x4b0 [ 14.787570][ T777] ? console_flush_one_record+0x106/0x710 [ 14.787574][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787575][ T777] ? lock_acquire+0x13c/0x160 [ 14.787579][ T777] console_flush_one_record+0x46f/0x710 [ 14.787583][ T777] ? console_emit_next_record+0x4c0/0x4c0 [ 14.787585][ T777] ? __lock_acquire+0x518/0xc20 [ 14.787590][ T777] console_unlock+0xee/0x1f0 [ 14.787593][ T777] ? console_flush_one_record+0x710/0x710 [ 14.787595][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787596][ T777] ? lock_acquire+0xe0/0x160 [ 14.787600][ T777] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.787602][ T777] ? vprintk_emit+0x320/0x3e0 [ 14.787604][ T777] vprintk_emit+0x37c/0x3e0 [ 14.787608][ T777] ? wake_up_klogd_work_func+0x90/0x90 [ 14.787610][ T777] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.787611][ T777] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.787616][ T777] _printk+0xc7/0x100 [ 14.787620][ T777] ? snapshot_read.cold+0x21/0x21 [ 14.787625][ T777] ? lock_acquire.part.0+0xd4/0x280 [ 14.787628][ T777] br_set_state+0x22f/0x430 [ 14.787633][ T777] br_init_port+0xc4/0x200 [ 14.787636][ T777] br_stp_enable_port+0x12/0x50 [ 14.787637][ T777] br_device_event+0x605/0x8f0 [ 14.787640][ T777] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.787642][ T777] ? nlmsg_notify+0x62/0x250 [ 14.787649][ T777] notifier_call_chain+0xae/0x300 [ 14.787654][ T777] __dev_notify_flags+0x1b7/0x450 [ 14.787660][ T777] ? netif_change_name+0x8c0/0x8c0 [ 14.787663][ T777] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.787666][ T777] ? kernel_text_address+0x149/0x170 [ 14.787669][ T777] ? __kernel_text_address+0x12/0x30 [ 14.787670][ T777] ? write_profile+0xf0/0xf0 [ 14.787675][ T777] netif_change_flags+0xfe/0x190 [ 14.787679][ T777] do_setlink.isra.0+0x1d25/0x2a60 [ 14.787682][ T777] ? stack_trace_save+0x93/0xc0 [ 14.787684][ T777] ? rtnl_link_get_size+0x350/0x350 [ 14.787685][ T777] ? rcu_read_lock_any_held+0x66/0x90 [ 14.787687][ T777] ? stack_depot_save_flags+0x38e/0x790 [ 14.787691][ T777] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.787693][ T777] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.787694][ T777] ? validate_chain+0x38b/0xc20 [ 14.787697][ T777] ? kasan_save_stack+0x3d/0x50 [ 14.787699][ T777] ? kasan_save_stack+0x2f/0x50 [ 14.787700][ T777] ? kasan_save_track+0x14/0x30 [ 14.787701][ T777] ? __kasan_kmalloc+0x7b/0x90 [ 14.787704][ T777] ? __lock_acquire+0x518/0xc20 [ 14.787706][ T777] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.787708][ T777] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.787712][ T777] ? lock_acquire.part.0+0xd4/0x280 [ 14.787714][ T777] ? rtnl_newlink+0x9a8/0x11b0 [ 14.787717][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787718][ T777] ? lock_acquire+0x13c/0x160 [ 14.787720][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787721][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787723][ T777] ? trace_contention_end+0xb3/0x180 [ 14.787725][ T777] ? __mutex_lock+0x1db/0x1ea0 [ 14.787727][ T777] ? __mutex_lock+0x9a3/0x1ea0 [ 14.787729][ T777] ? rtnl_newlink+0x9a8/0x11b0 [ 14.787733][ T777] ? ww_mutex_lock+0x160/0x160 [ 14.787736][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787738][ T777] ? __rtnl_newlink+0x3fa/0xa50 [ 14.787743][ T777] rtnl_newlink+0x9f1/0x11b0 [ 14.787749][ T777] ? rtnl_bridge_getlink+0x850/0x850 [ 14.787751][ T777] ? __lock_acquire+0x518/0xc20 [ 14.787755][ T777] ? lock_acquire.part.0+0xd4/0x280 [ 14.787757][ T777] ? find_held_lock+0x2b/0x80 [ 14.787759][ T777] ? rtnl_bridge_getlink+0x850/0x850 [ 14.787761][ T777] ? __lock_release.isra.0+0x69/0x1a0 [ 14.787764][ T777] ? rtnl_bridge_getlink+0x850/0x850 [ 14.787766][ T777] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.787769][ T777] ? rtnl_link_fill+0x920/0x920 [ 14.787771][ T777] ? __lock_acquire+0x518/0xc20 [ 14.787775][ T777] ? lock_acquire.part.0+0xd4/0x280 [ 14.787777][ T777] ? find_held_lock+0x2b/0x80 [ 14.787780][ T777] netlink_rcv_skb+0x14e/0x3a0 [ 14.787782][ T777] ? rtnl_link_fill+0x920/0x920 [ 14.787785][ T777] ? netlink_ack+0xcf0/0xcf0 [ 14.787791][ T777] ? netlink_deliver_tap+0xc5/0x330 [ 14.787793][ T777] ? netlink_deliver_tap+0x13c/0x330 [ 14.787798][ T777] netlink_unicast+0x486/0x750 [ 14.787802][ T777] ? netlink_attachskb+0x810/0x810 [ 14.787804][ T777] ? find_held_lock+0x2b/0x80 [ 14.787809][ T777] netlink_sendmsg+0x75b/0xc90 [ 14.787812][ T777] ? netlink_unicast+0x750/0x750 [ 14.787816][ T777] ? __lock_release.isra.0+0x69/0x1a0 [ 14.787818][ T777] ? __import_iovec+0x36c/0x620 [ 14.787823][ T777] __sock_sendmsg+0xce/0x190 [ 14.787826][ T777] ____sys_sendmsg+0x61a/0x860 [ 14.787828][ T777] ? copy_msghdr_from_user+0x279/0x420 [ 14.787831][ T777] ? sock_write_iter+0x400/0x400 [ 14.787832][ T777] ? move_addr_to_kernel+0x40/0x40 [ 14.787840][ T777] ___sys_sendmsg+0x14e/0x1d0 [ 14.787842][ T777] ? copy_msghdr_from_user+0x420/0x420 [ 14.787858][ T777] __sys_sendmsg+0x12c/0x1d0 [ 14.787861][ T777] ? __sys_sendmsg_sock+0x20/0x20 [ 14.787867][ T777] ? rcu_is_watching+0x16/0xd0 [ 14.787870][ T777] do_syscall_64+0xff/0x530 [ 14.787873][ T777] ? exc_page_fault+0xee/0x100 [ 14.787876][ T777] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.787878][ T777] RIP: 0033:0x7fe0d3e3554e [ 14.787880][ T777] 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 [ 14.787881][ T777] RSP: 002b:00007ffe8cb312d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.787884][ T777] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe0d3e3554e [ 14.787885][ T777] RDX: 0000000000000000 RSI: 00007ffe8cb31380 RDI: 0000000000000005 [ 14.787886][ T777] RBP: 00007ffe8cb312e0 R08: 0000000000000000 R09: 0000000000000000 [ 14.787887][ T777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3dc [ 14.787888][ T777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8cb31a40 [ 14.787894][ T777] [ 14.825377][ T777] br: port 2(d2) entered forwarding state [ 14.858187][ T779] br: port 1(d1) entered blocking state [ 14.858442][ T779] br: port 1(d1) entered forwarding state [ 14.931945][ T787] br: port 1(d1) entered disabled state [ 15.009101][ T795] br: port 2(d2) entered disabled state [ 15.083458][ T803] br: port 3(d3) entered disabled state [ 15.554653][ T38] br: port 3(d3) entered blocking state [ 15.554896][ T38] br: port 3(d3) entered forwarding state [ 15.593615][ T396] br: port 2(d2) entered blocking state [ 15.593839][ T396] br: port 2(d2) entered forwarding state [ 15.619734][ T38] br: port 1(d1) entered blocking state [ 15.619987][ T38] br: port 1(d1) entered forwarding state [ 16.330864][ T921] br: port 1(d1) entered disabled state [ 16.330881][ T921] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.330883][ T921] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 921, name: ip [ 16.330884][ T921] preempt_count: 202, expected: 0 [ 16.330885][ T921] RCU nest depth: 0, expected: 0 [ 16.330886][ T921] locks held by ip/921: 6, last CPU#3: [ 16.330887][ T921] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 16.330899][ T921] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 16.330905][ T921] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.330910][ T921] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.330914][ T921] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.330918][ T921] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.330922][ T921] irq event stamp: 15829 [ 16.330923][ T921] hardirqs last enabled at (15828): [] __down_trylock_console_sem+0x86/0xa0 [ 16.330926][ T921] hardirqs last disabled at (15829): [] console_emit_next_record+0x3d4/0x4c0 [ 16.330928][ T921] softirqs last enabled at (15812): [] ipv6_mc_down+0x134/0x2d0 [ 16.330931][ T921] softirqs last disabled at (15824): [] br_device_event+0x1d7/0x8f0 [ 16.330933][ T921] Preemption disabled at: [ 16.330934][ T921] [<0000000000000000>] 0x0 [ 16.330940][ T921] CPU: 3 UID: 0 PID: 921 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.330944][ T921] Tainted: [W]=WARN [ 16.330944][ T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.330946][ T921] Call Trace: [ 16.330947][ T921] [ 16.330949][ T921] dump_stack_lvl+0x6f/0xa0 [ 16.330955][ T921] __might_resched.cold+0x1fe/0x2c1 [ 16.330959][ T921] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.330963][ T921] ? __kmalloc_noprof+0xdb/0x760 [ 16.330968][ T921] __kmalloc_noprof+0x443/0x760 [ 16.330970][ T921] ? alloc_buf.isra.0+0x4b/0x260 [ 16.330976][ T921] ? do_raw_spin_unlock+0x59/0x250 [ 16.330979][ T921] alloc_buf.isra.0+0x4b/0x260 [ 16.330983][ T921] put_chars+0x1e1/0x2f0 [ 16.330985][ T921] ? __send_to_port+0x420/0x420 [ 16.330991][ T921] hvc_console_print+0x292/0x780 [ 16.330999][ T921] ? hvc_write+0x3a0/0x3a0 [ 16.331002][ T921] ? lock_acquire+0x13c/0x160 [ 16.331007][ T921] console_emit_next_record+0x22f/0x4c0 [ 16.331011][ T921] ? devkmsg_read+0x4b0/0x4b0 [ 16.331013][ T921] ? console_flush_one_record+0x106/0x710 [ 16.331016][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331018][ T921] ? lock_acquire+0x13c/0x160 [ 16.331022][ T921] console_flush_one_record+0x46f/0x710 [ 16.331027][ T921] ? console_emit_next_record+0x4c0/0x4c0 [ 16.331028][ T921] ? __lock_acquire+0x518/0xc20 [ 16.331034][ T921] console_unlock+0xee/0x1f0 [ 16.331037][ T921] ? console_flush_one_record+0x710/0x710 [ 16.331038][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331040][ T921] ? lock_acquire+0xe0/0x160 [ 16.331044][ T921] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.331045][ T921] ? vprintk_emit+0x320/0x3e0 [ 16.331048][ T921] vprintk_emit+0x37c/0x3e0 [ 16.331051][ T921] ? wake_up_klogd_work_func+0x90/0x90 [ 16.331052][ T921] ? mark_held_locks+0x40/0x70 [ 16.331055][ T921] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.331057][ T921] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.331061][ T921] _printk+0xc7/0x100 [ 16.331065][ T921] ? snapshot_read.cold+0x21/0x21 [ 16.331072][ T921] br_set_state+0x22f/0x430 [ 16.331077][ T921] br_stp_disable_port+0x11f/0x390 [ 16.331080][ T921] br_device_event+0x7b5/0x8f0 [ 16.331082][ T921] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 16.331086][ T921] ? packet_sendmsg_spkt+0x1360/0x1360 [ 16.331092][ T921] notifier_call_chain+0xae/0x300 [ 16.331097][ T921] __dev_notify_flags+0x23c/0x450 [ 16.331103][ T921] ? netif_change_name+0x8c0/0x8c0 [ 16.331106][ T921] ? netif_set_allmulti+0x2c0/0x2c0 [ 16.331110][ T921] ? __kernel_text_address+0x12/0x30 [ 16.331112][ T921] ? write_profile+0xf0/0xf0 [ 16.331117][ T921] netif_change_flags+0xfe/0x190 [ 16.331121][ T921] do_setlink.isra.0+0x1d25/0x2a60 [ 16.331124][ T921] ? stack_trace_save+0x93/0xc0 [ 16.331126][ T921] ? rtnl_link_get_size+0x350/0x350 [ 16.331127][ T921] ? rcu_read_lock_any_held+0x66/0x90 [ 16.331129][ T921] ? stack_depot_save_flags+0x38e/0x790 [ 16.331132][ T921] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.331135][ T921] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.331136][ T921] ? validate_chain+0x38b/0xc20 [ 16.331139][ T921] ? kasan_save_stack+0x3d/0x50 [ 16.331141][ T921] ? kasan_save_stack+0x2f/0x50 [ 16.331142][ T921] ? kasan_save_track+0x14/0x30 [ 16.331143][ T921] ? __kasan_kmalloc+0x7b/0x90 [ 16.331146][ T921] ? __lock_acquire+0x518/0xc20 [ 16.331148][ T921] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 16.331150][ T921] ? ___sys_sendmsg+0xd0/0x1d0 [ 16.331154][ T921] ? lock_acquire.part.0+0xd4/0x280 [ 16.331156][ T921] ? rtnl_newlink+0x9a8/0x11b0 [ 16.331159][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331160][ T921] ? lock_acquire+0x13c/0x160 [ 16.331162][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331163][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331165][ T921] ? trace_contention_end+0xb3/0x180 [ 16.331167][ T921] ? __mutex_lock+0x1db/0x1ea0 [ 16.331168][ T921] ? __mutex_lock+0x9a3/0x1ea0 [ 16.331170][ T921] ? rtnl_newlink+0x9a8/0x11b0 [ 16.331174][ T921] ? ww_mutex_lock+0x160/0x160 [ 16.331177][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331179][ T921] ? __rtnl_newlink+0x3fa/0xa50 [ 16.331184][ T921] rtnl_newlink+0x9f1/0x11b0 [ 16.331190][ T921] ? rtnl_bridge_getlink+0x850/0x850 [ 16.331191][ T921] ? __lock_acquire+0x518/0xc20 [ 16.331196][ T921] ? lock_acquire.part.0+0xd4/0x280 [ 16.331198][ T921] ? find_held_lock+0x2b/0x80 [ 16.331200][ T921] ? rtnl_bridge_getlink+0x850/0x850 [ 16.331202][ T921] ? __lock_release.isra.0+0x69/0x1a0 [ 16.331206][ T921] ? rtnl_bridge_getlink+0x850/0x850 [ 16.331208][ T921] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.331211][ T921] ? rtnl_link_fill+0x920/0x920 [ 16.331212][ T921] ? __lock_acquire+0x518/0xc20 [ 16.331216][ T921] ? lock_acquire.part.0+0xd4/0x280 [ 16.331218][ T921] ? find_held_lock+0x2b/0x80 [ 16.331222][ T921] netlink_rcv_skb+0x14e/0x3a0 [ 16.331225][ T921] ? rtnl_link_fill+0x920/0x920 [ 16.331228][ T921] ? netlink_ack+0xcf0/0xcf0 [ 16.331234][ T921] ? netlink_deliver_tap+0xc5/0x330 [ 16.331236][ T921] ? netlink_deliver_tap+0x13c/0x330 [ 16.331243][ T921] netlink_unicast+0x486/0x750 [ 16.331247][ T921] ? netlink_attachskb+0x810/0x810 [ 16.331250][ T921] ? find_held_lock+0x2b/0x80 [ 16.331254][ T921] netlink_sendmsg+0x75b/0xc90 [ 16.331258][ T921] ? netlink_unicast+0x750/0x750 [ 16.331262][ T921] ? __lock_release.isra.0+0x69/0x1a0 [ 16.331263][ T921] ? __import_iovec+0x36c/0x620 [ 16.331269][ T921] __sock_sendmsg+0xce/0x190 [ 16.331271][ T921] ____sys_sendmsg+0x61a/0x860 [ 16.331274][ T921] ? copy_msghdr_from_user+0x279/0x420 [ 16.331276][ T921] ? sock_write_iter+0x400/0x400 [ 16.331278][ T921] ? move_addr_to_kernel+0x40/0x40 [ 16.331285][ T921] ___sys_sendmsg+0x14e/0x1d0 [ 16.331288][ T921] ? copy_msghdr_from_user+0x420/0x420 [ 16.331303][ T921] __sys_sendmsg+0x12c/0x1d0 [ 16.331306][ T921] ? __sys_sendmsg_sock+0x20/0x20 [ 16.331313][ T921] ? rcu_is_watching+0x16/0xd0 [ 16.331316][ T921] do_syscall_64+0xff/0x530 [ 16.331318][ T921] ? exc_page_fault+0xee/0x100 [ 16.331321][ T921] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.331323][ T921] RIP: 0033:0x7f908ef2b54e [ 16.331326][ T921] 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 [ 16.331327][ T921] RSP: 002b:00007ffffc5d6af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.331330][ T921] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f908ef2b54e [ 16.331331][ T921] RDX: 0000000000000000 RSI: 00007ffffc5d6ba0 RDI: 0000000000000005 [ 16.331332][ T921] RBP: 00007ffffc5d6b00 R08: 0000000000000000 R09: 0000000000000000 [ 16.331333][ T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3dd [ 16.331334][ T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffc5d7260 [ 16.331340][ T921] [ 16.673802][ T959] br: port 1(d1) entered blocking state [ 16.674116][ T959] br: port 1(d1) entered forwarding state [ 16.760003][ T967] br: port 2(d2) entered disabled state [ 17.054467][ T1005] br: port 2(d2) entered blocking state [ 17.054739][ T1005] br: port 2(d2) entered forwarding state [ 17.135734][ T1013] br: port 1(d1) entered disabled state [ 17.210798][ T1021] br: port 2(d2) entered disabled state [ 17.509634][ T860] br: port 2(d2) entered blocking state [ 17.509652][ T860] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.509654][ T860] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 860, name: kworker/u19:2 [ 17.509655][ T860] preempt_count: 202, expected: 0 [ 17.509656][ T860] RCU nest depth: 0, expected: 0 [ 17.509657][ T860] locks held by kworker/u19:2/860: 8, last CPU#1: [ 17.509659][ T860] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.509672][ T860] #1: ffa0000002c97d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.509676][ T860] #2: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 17.509681][ T860] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 17.509687][ T860] #4: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.509691][ T860] #5: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.509695][ T860] #6: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.509698][ T860] #7: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.509702][ T860] irq event stamp: 11059 [ 17.509703][ T860] hardirqs last enabled at (11058): [] __down_trylock_console_sem+0x86/0xa0 [ 17.509706][ T860] hardirqs last disabled at (11059): [] console_emit_next_record+0x3d4/0x4c0 [ 17.509709][ T860] softirqs last enabled at (11020): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 17.509711][ T860] softirqs last disabled at (11054): [] br_port_carrier_check+0x161/0x430 [ 17.509714][ T860] Preemption disabled at: [ 17.509714][ T860] [<0000000000000000>] 0x0 [ 17.509721][ T860] CPU: 1 UID: 0 PID: 860 Comm: kworker/u19:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.509724][ T860] Tainted: [W]=WARN [ 17.509725][ T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.509727][ T860] Workqueue: events_unbound linkwatch_event [ 17.509730][ T860] Call Trace: [ 17.509731][ T860] [ 17.509733][ T860] dump_stack_lvl+0x6f/0xa0 [ 17.509740][ T860] __might_resched.cold+0x1fe/0x2c1 [ 17.509744][ T860] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.509748][ T860] ? __kmalloc_noprof+0xdb/0x760 [ 17.509753][ T860] __kmalloc_noprof+0x443/0x760 [ 17.509755][ T860] ? alloc_buf.isra.0+0x4b/0x260 [ 17.509761][ T860] ? do_raw_spin_unlock+0x59/0x250 [ 17.509764][ T860] alloc_buf.isra.0+0x4b/0x260 [ 17.509767][ T860] put_chars+0x1e1/0x2f0 [ 17.509770][ T860] ? __send_to_port+0x420/0x420 [ 17.509772][ T860] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.509775][ T860] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.509778][ T860] ? validate_chain+0x38b/0xc20 [ 17.509783][ T860] hvc_console_print+0x292/0x780 [ 17.509787][ T860] ? mark_usage+0x61/0x170 [ 17.509789][ T860] ? __lock_acquire+0x518/0xc20 [ 17.509790][ T860] ? __lock_acquire+0x518/0xc20 [ 17.509795][ T860] ? hvc_write+0x3a0/0x3a0 [ 17.509796][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 17.509801][ T860] ? lock_acquire+0x13c/0x160 [ 17.509805][ T860] console_emit_next_record+0x22f/0x4c0 [ 17.509809][ T860] ? devkmsg_read+0x4b0/0x4b0 [ 17.509811][ T860] ? console_flush_one_record+0x106/0x710 [ 17.509814][ T860] ? rcu_is_watching+0x16/0xd0 [ 17.509816][ T860] ? lock_acquire+0x13c/0x160 [ 17.509820][ T860] console_flush_one_record+0x46f/0x710 [ 17.509824][ T860] ? console_emit_next_record+0x4c0/0x4c0 [ 17.509826][ T860] ? __lock_acquire+0x518/0xc20 [ 17.509831][ T860] console_unlock+0xee/0x1f0 [ 17.509834][ T860] ? console_flush_one_record+0x710/0x710 [ 17.509836][ T860] ? rcu_is_watching+0x16/0xd0 [ 17.509838][ T860] ? lock_acquire+0xe0/0x160 [ 17.509842][ T860] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.509843][ T860] ? vprintk_emit+0x320/0x3e0 [ 17.509846][ T860] vprintk_emit+0x37c/0x3e0 [ 17.509849][ T860] ? wake_up_klogd_work_func+0x90/0x90 [ 17.509851][ T860] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.509853][ T860] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.509857][ T860] _printk+0xc7/0x100 [ 17.509861][ T860] ? snapshot_read.cold+0x21/0x21 [ 17.509866][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 17.509870][ T860] br_set_state+0x22f/0x430 [ 17.509874][ T860] br_init_port+0xc4/0x200 [ 17.509877][ T860] br_stp_enable_port+0x12/0x50 [ 17.509878][ T860] br_port_carrier_check+0x220/0x430 [ 17.509882][ T860] br_device_event+0x52d/0x8f0 [ 17.509886][ T860] ? packet_sendmsg_spkt+0x1360/0x1360 [ 17.509887][ T860] ? nlmsg_notify+0x62/0x250 [ 17.509894][ T860] notifier_call_chain+0xae/0x300 [ 17.509900][ T860] netif_state_change+0x139/0x3d0 [ 17.509905][ T860] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 17.509909][ T860] ? linkwatch_do_dev+0xae/0xd0 [ 17.509911][ T860] __linkwatch_run_queue+0x350/0x850 [ 17.509914][ T860] ? linkwatch_do_dev+0xd0/0xd0 [ 17.509917][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 17.509921][ T860] linkwatch_event+0x7f/0xb0 [ 17.509924][ T860] ? __linkwatch_run_queue+0x850/0x850 [ 17.509927][ T860] process_one_work+0xe3e/0x1560 [ 17.509934][ T860] ? __queue_delayed_work+0x470/0x470 [ 17.509937][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 17.509944][ T860] worker_thread+0x4f1/0xd60 [ 17.509948][ T860] ? rescuer_thread+0x1340/0x1340 [ 17.509951][ T860] ? __kthread_parkme+0xbd/0x210 [ 17.509953][ T860] ? rescuer_thread+0x1340/0x1340 [ 17.509956][ T860] ? rescuer_thread+0x1340/0x1340 [ 17.509958][ T860] kthread+0x367/0x460 [ 17.509960][ T860] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.509964][ T860] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.509967][ T860] ret_from_fork+0x474/0x6b0 [ 17.509971][ T860] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.509974][ T860] ? __switch_to+0x5a3/0xe00 [ 17.509978][ T860] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.509980][ T860] ret_from_fork_asm+0x11/0x20 [ 17.509989][ T860] [ 17.532036][ T860] br: port 2(d2) entered forwarding state [ 17.558606][ T396] br: port 1(d1) entered blocking state [ 17.558827][ T396] br: port 1(d1) entered forwarding state [ 17.642102][ T1069] br: port 1(d1) entered disabled state [ 17.722862][ T1077] br: port 2(d2) entered disabled state [ 17.796826][ T1085] br: port 3(d3) entered disabled state [ 18.101361][ T1123] br: port 3(d3) entered blocking state [ 18.101621][ T1123] br: port 3(d3) entered forwarding state [ 18.138728][ T1125] br: port 2(d2) entered blocking state [ 18.138980][ T1125] br: port 2(d2) entered forwarding state [ 18.166017][ T1127] br: port 1(d1) entered blocking state [ 18.166267][ T1127] br: port 1(d1) entered forwarding state [ 18.915685][ T1184] br: port 1(d1) entered disabled state [ 18.915702][ T1184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.915704][ T1184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1184, name: ip [ 18.915706][ T1184] preempt_count: 202, expected: 0 [ 18.915707][ T1184] RCU nest depth: 0, expected: 0 [ 18.915708][ T1184] locks held by ip/1184: 6, last CPU#3: [ 18.915709][ T1184] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 18.915722][ T1184] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 18.915727][ T1184] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.915732][ T1184] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.915736][ T1184] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.915740][ T1184] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.915744][ T1184] irq event stamp: 19409 [ 18.915745][ T1184] hardirqs last enabled at (19408): [] __down_trylock_console_sem+0x86/0xa0 [ 18.915748][ T1184] hardirqs last disabled at (19409): [] console_emit_next_record+0x3d4/0x4c0 [ 18.915750][ T1184] softirqs last enabled at (19392): [] ipv6_mc_down+0x134/0x2d0 [ 18.915753][ T1184] softirqs last disabled at (19404): [] br_device_event+0x1d7/0x8f0 [ 18.915755][ T1184] Preemption disabled at: [ 18.915756][ T1184] [<0000000000000000>] 0x0 [ 18.915762][ T1184] CPU: 3 UID: 0 PID: 1184 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.915766][ T1184] Tainted: [W]=WARN [ 18.915767][ T1184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.915768][ T1184] Call Trace: [ 18.915770][ T1184] [ 18.915771][ T1184] dump_stack_lvl+0x6f/0xa0 [ 18.915777][ T1184] __might_resched.cold+0x1fe/0x2c1 [ 18.915782][ T1184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.915786][ T1184] ? __kmalloc_noprof+0xdb/0x760 [ 18.915790][ T1184] __kmalloc_noprof+0x443/0x760 [ 18.915792][ T1184] ? alloc_buf.isra.0+0x4b/0x260 [ 18.915799][ T1184] ? do_raw_spin_unlock+0x59/0x250 [ 18.915801][ T1184] alloc_buf.isra.0+0x4b/0x260 [ 18.915805][ T1184] put_chars+0x1e1/0x2f0 [ 18.915807][ T1184] ? __send_to_port+0x420/0x420 [ 18.915814][ T1184] hvc_console_print+0x292/0x780 [ 18.915821][ T1184] ? hvc_write+0x3a0/0x3a0 [ 18.915824][ T1184] ? lock_acquire+0x13c/0x160 [ 18.915829][ T1184] console_emit_next_record+0x22f/0x4c0 [ 18.915833][ T1184] ? devkmsg_read+0x4b0/0x4b0 [ 18.915835][ T1184] ? console_flush_one_record+0x106/0x710 [ 18.915838][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.915841][ T1184] ? lock_acquire+0x13c/0x160 [ 18.915845][ T1184] console_flush_one_record+0x46f/0x710 [ 18.915849][ T1184] ? console_emit_next_record+0x4c0/0x4c0 [ 18.915851][ T1184] ? __lock_acquire+0x518/0xc20 [ 18.915856][ T1184] console_unlock+0xee/0x1f0 [ 18.915859][ T1184] ? console_flush_one_record+0x710/0x710 [ 18.915861][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.915862][ T1184] ? lock_acquire+0xe0/0x160 [ 18.915866][ T1184] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.915868][ T1184] ? vprintk_emit+0x320/0x3e0 [ 18.915870][ T1184] vprintk_emit+0x37c/0x3e0 [ 18.915874][ T1184] ? wake_up_klogd_work_func+0x90/0x90 [ 18.915875][ T1184] ? mark_held_locks+0x40/0x70 [ 18.915877][ T1184] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.915879][ T1184] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.915884][ T1184] _printk+0xc7/0x100 [ 18.915887][ T1184] ? snapshot_read.cold+0x21/0x21 [ 18.915895][ T1184] br_set_state+0x22f/0x430 [ 18.915899][ T1184] br_stp_disable_port+0x11f/0x390 [ 18.915903][ T1184] br_device_event+0x7b5/0x8f0 [ 18.915905][ T1184] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 18.915909][ T1184] ? packet_sendmsg_spkt+0x1360/0x1360 [ 18.915915][ T1184] notifier_call_chain+0xae/0x300 [ 18.915920][ T1184] __dev_notify_flags+0x23c/0x450 [ 18.915925][ T1184] ? netif_change_name+0x8c0/0x8c0 [ 18.915929][ T1184] ? netif_set_allmulti+0x2c0/0x2c0 [ 18.915932][ T1184] ? __kernel_text_address+0x12/0x30 [ 18.915934][ T1184] ? write_profile+0xf0/0xf0 [ 18.915939][ T1184] netif_change_flags+0xfe/0x190 [ 18.915943][ T1184] do_setlink.isra.0+0x1d25/0x2a60 [ 18.915946][ T1184] ? stack_trace_save+0x93/0xc0 [ 18.915948][ T1184] ? rtnl_link_get_size+0x350/0x350 [ 18.915950][ T1184] ? rcu_read_lock_any_held+0x66/0x90 [ 18.915952][ T1184] ? stack_depot_save_flags+0x38e/0x790 [ 18.915955][ T1184] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.915957][ T1184] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.915959][ T1184] ? validate_chain+0x38b/0xc20 [ 18.915961][ T1184] ? kasan_save_stack+0x3d/0x50 [ 18.915964][ T1184] ? kasan_save_stack+0x2f/0x50 [ 18.915965][ T1184] ? kasan_save_track+0x14/0x30 [ 18.915966][ T1184] ? __kasan_kmalloc+0x7b/0x90 [ 18.915968][ T1184] ? __lock_acquire+0x518/0xc20 [ 18.915970][ T1184] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 18.915973][ T1184] ? ___sys_sendmsg+0xd0/0x1d0 [ 18.915977][ T1184] ? lock_acquire.part.0+0xd4/0x280 [ 18.915979][ T1184] ? rtnl_newlink+0x9a8/0x11b0 [ 18.915981][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.915983][ T1184] ? lock_acquire+0x13c/0x160 [ 18.915984][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.915985][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.915987][ T1184] ? trace_contention_end+0xb3/0x180 [ 18.915989][ T1184] ? __mutex_lock+0x1db/0x1ea0 [ 18.915991][ T1184] ? __mutex_lock+0x9a3/0x1ea0 [ 18.915993][ T1184] ? rtnl_newlink+0x9a8/0x11b0 [ 18.915996][ T1184] ? ww_mutex_lock+0x160/0x160 [ 18.915999][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.916002][ T1184] ? __rtnl_newlink+0x3fa/0xa50 [ 18.916007][ T1184] rtnl_newlink+0x9f1/0x11b0 [ 18.916012][ T1184] ? rtnl_bridge_getlink+0x850/0x850 [ 18.916014][ T1184] ? __lock_acquire+0x518/0xc20 [ 18.916018][ T1184] ? lock_acquire.part.0+0xd4/0x280 [ 18.916020][ T1184] ? find_held_lock+0x2b/0x80 [ 18.916022][ T1184] ? rtnl_bridge_getlink+0x850/0x850 [ 18.916024][ T1184] ? __lock_release.isra.0+0x69/0x1a0 [ 18.916028][ T1184] ? rtnl_bridge_getlink+0x850/0x850 [ 18.916030][ T1184] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.916033][ T1184] ? rtnl_link_fill+0x920/0x920 [ 18.916034][ T1184] ? __lock_acquire+0x518/0xc20 [ 18.916039][ T1184] ? lock_acquire.part.0+0xd4/0x280 [ 18.916040][ T1184] ? find_held_lock+0x2b/0x80 [ 18.916044][ T1184] netlink_rcv_skb+0x14e/0x3a0 [ 18.916047][ T1184] ? rtnl_link_fill+0x920/0x920 [ 18.916050][ T1184] ? netlink_ack+0xcf0/0xcf0 [ 18.916056][ T1184] ? netlink_deliver_tap+0xc5/0x330 [ 18.916058][ T1184] ? netlink_deliver_tap+0x13c/0x330 [ 18.916063][ T1184] netlink_unicast+0x486/0x750 [ 18.916067][ T1184] ? netlink_attachskb+0x810/0x810 [ 18.916069][ T1184] ? find_held_lock+0x2b/0x80 [ 18.916073][ T1184] netlink_sendmsg+0x75b/0xc90 [ 18.916077][ T1184] ? netlink_unicast+0x750/0x750 [ 18.916081][ T1184] ? __lock_release.isra.0+0x69/0x1a0 [ 18.916083][ T1184] ? __import_iovec+0x36c/0x620 [ 18.916088][ T1184] __sock_sendmsg+0xce/0x190 [ 18.916091][ T1184] ____sys_sendmsg+0x61a/0x860 [ 18.916093][ T1184] ? copy_msghdr_from_user+0x279/0x420 [ 18.916095][ T1184] ? sock_write_iter+0x400/0x400 [ 18.916097][ T1184] ? move_addr_to_kernel+0x40/0x40 [ 18.916104][ T1184] ___sys_sendmsg+0x14e/0x1d0 [ 18.916107][ T1184] ? copy_msghdr_from_user+0x420/0x420 [ 18.916123][ T1184] __sys_sendmsg+0x12c/0x1d0 [ 18.916126][ T1184] ? __sys_sendmsg_sock+0x20/0x20 [ 18.916132][ T1184] ? rcu_is_watching+0x16/0xd0 [ 18.916135][ T1184] do_syscall_64+0xff/0x530 [ 18.916138][ T1184] ? exc_page_fault+0xee/0x100 [ 18.916141][ T1184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.916143][ T1184] RIP: 0033:0x7f53e9d6c54e [ 18.916145][ T1184] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 18.916147][ T1184] RSP: 002b:00007ffd2467e7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.916149][ T1184] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f53e9d6c54e [ 18.916151][ T1184] RDX: 0000000000000000 RSI: 00007ffd2467e880 RDI: 0000000000000005 [ 18.916151][ T1184] RBP: 00007ffd2467e7e0 R08: 0000000000000000 R09: 0000000000000000 [ 18.916152][ T1184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3e0 [ 18.916153][ T1184] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2467ef40 [ 18.916160][ T1184] [ 19.263738][ T1222] br: port 1(d1) entered blocking state [ 19.264014][ T1222] br: port 1(d1) entered forwarding state [ 19.335792][ T1230] br: port 2(d2) entered disabled state [ 19.641654][ T860] br: port 2(d2) entered blocking state [ 19.641917][ T860] br: port 2(d2) entered forwarding state [ 19.712085][ T1276] br: port 1(d1) entered disabled state [ 19.795538][ T1284] br: port 2(d2) entered disabled state [ 20.102854][ T1322] br: port 2(d2) entered blocking state [ 20.102872][ T1322] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.102874][ T1322] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1322, name: ip [ 20.102875][ T1322] preempt_count: 202, expected: 0 [ 20.102876][ T1322] RCU nest depth: 0, expected: 0 [ 20.102877][ T1322] locks held by ip/1322: 6, last CPU#2: [ 20.102879][ T1322] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 20.102890][ T1322] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 20.102896][ T1322] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.102901][ T1322] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.102905][ T1322] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.102909][ T1322] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.102913][ T1322] irq event stamp: 23279 [ 20.102914][ T1322] hardirqs last enabled at (23278): [] __down_trylock_console_sem+0x86/0xa0 [ 20.102917][ T1322] hardirqs last disabled at (23279): [] console_emit_next_record+0x3d4/0x4c0 [ 20.102919][ T1322] softirqs last enabled at (23240): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 20.102922][ T1322] softirqs last disabled at (23274): [] br_device_event+0x5fd/0x8f0 [ 20.102924][ T1322] Preemption disabled at: [ 20.102924][ T1322] [<0000000000000000>] 0x0 [ 20.102931][ T1322] CPU: 2 UID: 0 PID: 1322 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.102934][ T1322] Tainted: [W]=WARN [ 20.102935][ T1322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.102937][ T1322] Call Trace: [ 20.102938][ T1322] [ 20.102939][ T1322] dump_stack_lvl+0x6f/0xa0 [ 20.102946][ T1322] __might_resched.cold+0x1fe/0x2c1 [ 20.102950][ T1322] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.102954][ T1322] ? __kmalloc_noprof+0xdb/0x760 [ 20.102959][ T1322] __kmalloc_noprof+0x443/0x760 [ 20.102961][ T1322] ? alloc_buf.isra.0+0x4b/0x260 [ 20.102967][ T1322] ? do_raw_spin_unlock+0x59/0x250 [ 20.102970][ T1322] alloc_buf.isra.0+0x4b/0x260 [ 20.102973][ T1322] put_chars+0x1e1/0x2f0 [ 20.102976][ T1322] ? __send_to_port+0x420/0x420 [ 20.102977][ T1322] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.102980][ T1322] ? validate_chain+0x38b/0xc20 [ 20.102986][ T1322] hvc_console_print+0x292/0x780 [ 20.102993][ T1322] ? hvc_write+0x3a0/0x3a0 [ 20.102996][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.102998][ T1322] ? lock_acquire+0x13c/0x160 [ 20.103002][ T1322] console_emit_next_record+0x22f/0x4c0 [ 20.103006][ T1322] ? devkmsg_read+0x4b0/0x4b0 [ 20.103007][ T1322] ? console_flush_one_record+0x106/0x710 [ 20.103011][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103012][ T1322] ? lock_acquire+0x13c/0x160 [ 20.103016][ T1322] console_flush_one_record+0x46f/0x710 [ 20.103020][ T1322] ? console_emit_next_record+0x4c0/0x4c0 [ 20.103022][ T1322] ? __lock_acquire+0x518/0xc20 [ 20.103027][ T1322] console_unlock+0xee/0x1f0 [ 20.103030][ T1322] ? console_flush_one_record+0x710/0x710 [ 20.103032][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103034][ T1322] ? lock_acquire+0xe0/0x160 [ 20.103037][ T1322] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.103039][ T1322] ? vprintk_emit+0x320/0x3e0 [ 20.103042][ T1322] vprintk_emit+0x37c/0x3e0 [ 20.103045][ T1322] ? wake_up_klogd_work_func+0x90/0x90 [ 20.103047][ T1322] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.103049][ T1322] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.103053][ T1322] _printk+0xc7/0x100 [ 20.103057][ T1322] ? snapshot_read.cold+0x21/0x21 [ 20.103062][ T1322] ? lock_acquire.part.0+0xd4/0x280 [ 20.103066][ T1322] br_set_state+0x22f/0x430 [ 20.103071][ T1322] br_init_port+0xc4/0x200 [ 20.103073][ T1322] br_stp_enable_port+0x12/0x50 [ 20.103075][ T1322] br_device_event+0x605/0x8f0 [ 20.103078][ T1322] ? packet_sendmsg_spkt+0x1360/0x1360 [ 20.103080][ T1322] ? nlmsg_notify+0x62/0x250 [ 20.103086][ T1322] notifier_call_chain+0xae/0x300 [ 20.103092][ T1322] __dev_notify_flags+0x1b7/0x450 [ 20.103097][ T1322] ? netif_change_name+0x8c0/0x8c0 [ 20.103101][ T1322] ? netif_set_allmulti+0x2c0/0x2c0 [ 20.103103][ T1322] ? kernel_text_address+0x149/0x170 [ 20.103107][ T1322] ? __kernel_text_address+0x12/0x30 [ 20.103108][ T1322] ? write_profile+0xf0/0xf0 [ 20.103113][ T1322] netif_change_flags+0xfe/0x190 [ 20.103117][ T1322] do_setlink.isra.0+0x1d25/0x2a60 [ 20.103120][ T1322] ? stack_trace_save+0x93/0xc0 [ 20.103122][ T1322] ? rtnl_link_get_size+0x350/0x350 [ 20.103123][ T1322] ? rcu_read_lock_any_held+0x66/0x90 [ 20.103125][ T1322] ? stack_depot_save_flags+0x38e/0x790 [ 20.103128][ T1322] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.103130][ T1322] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.103132][ T1322] ? validate_chain+0x38b/0xc20 [ 20.103134][ T1322] ? kasan_save_stack+0x3d/0x50 [ 20.103137][ T1322] ? kasan_save_stack+0x2f/0x50 [ 20.103138][ T1322] ? kasan_save_track+0x14/0x30 [ 20.103139][ T1322] ? __kasan_kmalloc+0x7b/0x90 [ 20.103141][ T1322] ? __lock_acquire+0x518/0xc20 [ 20.103143][ T1322] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 20.103146][ T1322] ? ___sys_sendmsg+0xd0/0x1d0 [ 20.103150][ T1322] ? lock_acquire.part.0+0xd4/0x280 [ 20.103152][ T1322] ? rtnl_newlink+0x9a8/0x11b0 [ 20.103154][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103156][ T1322] ? lock_acquire+0x13c/0x160 [ 20.103158][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103159][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103160][ T1322] ? trace_contention_end+0xb3/0x180 [ 20.103163][ T1322] ? __mutex_lock+0x1db/0x1ea0 [ 20.103165][ T1322] ? __mutex_lock+0x9a3/0x1ea0 [ 20.103167][ T1322] ? rtnl_newlink+0x9a8/0x11b0 [ 20.103170][ T1322] ? ww_mutex_lock+0x160/0x160 [ 20.103174][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103176][ T1322] ? __rtnl_newlink+0x3fa/0xa50 [ 20.103181][ T1322] rtnl_newlink+0x9f1/0x11b0 [ 20.103186][ T1322] ? rtnl_bridge_getlink+0x850/0x850 [ 20.103188][ T1322] ? __lock_acquire+0x518/0xc20 [ 20.103193][ T1322] ? lock_acquire.part.0+0xd4/0x280 [ 20.103195][ T1322] ? find_held_lock+0x2b/0x80 [ 20.103197][ T1322] ? rtnl_bridge_getlink+0x850/0x850 [ 20.103198][ T1322] ? __lock_release.isra.0+0x69/0x1a0 [ 20.103202][ T1322] ? rtnl_bridge_getlink+0x850/0x850 [ 20.103204][ T1322] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.103207][ T1322] ? rtnl_link_fill+0x920/0x920 [ 20.103209][ T1322] ? __lock_acquire+0x518/0xc20 [ 20.103213][ T1322] ? lock_acquire.part.0+0xd4/0x280 [ 20.103215][ T1322] ? find_held_lock+0x2b/0x80 [ 20.103218][ T1322] netlink_rcv_skb+0x14e/0x3a0 [ 20.103220][ T1322] ? rtnl_link_fill+0x920/0x920 [ 20.103223][ T1322] ? netlink_ack+0xcf0/0xcf0 [ 20.103230][ T1322] ? netlink_deliver_tap+0xc5/0x330 [ 20.103232][ T1322] ? netlink_deliver_tap+0x13c/0x330 [ 20.103236][ T1322] netlink_unicast+0x486/0x750 [ 20.103240][ T1322] ? netlink_attachskb+0x810/0x810 [ 20.103245][ T1322] ? find_held_lock+0x2b/0x80 [ 20.103249][ T1322] netlink_sendmsg+0x75b/0xc90 [ 20.103253][ T1322] ? netlink_unicast+0x750/0x750 [ 20.103257][ T1322] ? __lock_release.isra.0+0x69/0x1a0 [ 20.103259][ T1322] ? __import_iovec+0x36c/0x620 [ 20.103264][ T1322] __sock_sendmsg+0xce/0x190 [ 20.103267][ T1322] ____sys_sendmsg+0x61a/0x860 [ 20.103269][ T1322] ? copy_msghdr_from_user+0x279/0x420 [ 20.103271][ T1322] ? sock_write_iter+0x400/0x400 [ 20.103273][ T1322] ? move_addr_to_kernel+0x40/0x40 [ 20.103280][ T1322] ___sys_sendmsg+0x14e/0x1d0 [ 20.103283][ T1322] ? copy_msghdr_from_user+0x420/0x420 [ 20.103298][ T1322] __sys_sendmsg+0x12c/0x1d0 [ 20.103301][ T1322] ? __sys_sendmsg_sock+0x20/0x20 [ 20.103307][ T1322] ? rcu_is_watching+0x16/0xd0 [ 20.103310][ T1322] do_syscall_64+0xff/0x530 [ 20.103313][ T1322] ? exc_page_fault+0xee/0x100 [ 20.103316][ T1322] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.103318][ T1322] RIP: 0033:0x7efe27a3454e [ 20.103320][ T1322] 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 [ 20.103322][ T1322] RSP: 002b:00007ffe7c8699f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.103324][ T1322] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efe27a3454e [ 20.103326][ T1322] RDX: 0000000000000000 RSI: 00007ffe7c869aa0 RDI: 0000000000000005 [ 20.103326][ T1322] RBP: 00007ffe7c869a00 R08: 0000000000000000 R09: 0000000000000000 [ 20.103327][ T1322] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3e1 [ 20.103328][ T1322] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7c86a160 [ 20.103335][ T1322] [ 20.145285][ T1322] br: port 2(d2) entered forwarding state [ 20.182611][ T1324] br: port 1(d1) entered blocking state [ 20.182886][ T1324] br: port 1(d1) entered forwarding state [ 20.252487][ T1332] br: port 1(d1) entered disabled state [ 20.330910][ T1340] br: port 2(d2) entered disabled state [ 20.404353][ T1348] br: port 3(d3) entered disabled state [ 21.640560][ T46] br: port 3(d3) entered blocking state [ 21.640580][ T46] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.640583][ T46] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 46, name: kworker/u17:1 [ 21.640584][ T46] preempt_count: 202, expected: 0 [ 21.640585][ T46] RCU nest depth: 0, expected: 0 [ 21.640586][ T46] locks held by kworker/u17:1/46: 8, last CPU#0: [ 21.640588][ T46] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 21.640600][ T46] #1: ffa000000032fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 21.640604][ T46] #2: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 21.640610][ T46] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 21.640615][ T46] #4: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.640619][ T46] #5: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.640623][ T46] #6: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.640626][ T46] #7: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.640630][ T46] irq event stamp: 205605 [ 21.640631][ T46] hardirqs last enabled at (205604): [] __down_trylock_console_sem+0x86/0xa0 [ 21.640634][ T46] hardirqs last disabled at (205605): [] console_emit_next_record+0x3d4/0x4c0 [ 21.640636][ T46] softirqs last enabled at (205566): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 21.640639][ T46] softirqs last disabled at (205600): [] br_port_carrier_check+0x161/0x430 [ 21.640641][ T46] Preemption disabled at: [ 21.640642][ T46] [<0000000000000000>] 0x0 [ 21.640648][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u17:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.640651][ T46] Tainted: [W]=WARN [ 21.640652][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.640654][ T46] Workqueue: events_unbound linkwatch_event [ 21.640657][ T46] Call Trace: [ 21.640658][ T46] [ 21.640660][ T46] dump_stack_lvl+0x6f/0xa0 [ 21.640666][ T46] __might_resched.cold+0x1fe/0x2c1 [ 21.640671][ T46] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.640675][ T46] ? __kmalloc_noprof+0xdb/0x760 [ 21.640679][ T46] __kmalloc_noprof+0x443/0x760 [ 21.640681][ T46] ? alloc_buf.isra.0+0x4b/0x260 [ 21.640687][ T46] ? do_raw_spin_unlock+0x59/0x250 [ 21.640690][ T46] alloc_buf.isra.0+0x4b/0x260 [ 21.640694][ T46] put_chars+0x1e1/0x2f0 [ 21.640696][ T46] ? __send_to_port+0x420/0x420 [ 21.640699][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.640702][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.640705][ T46] ? validate_chain+0x38b/0xc20 [ 21.640709][ T46] hvc_console_print+0x292/0x780 [ 21.640713][ T46] ? mark_usage+0x61/0x170 [ 21.640715][ T46] ? __lock_acquire+0x518/0xc20 [ 21.640717][ T46] ? __lock_acquire+0x518/0xc20 [ 21.640721][ T46] ? hvc_write+0x3a0/0x3a0 [ 21.640723][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 21.640727][ T46] ? lock_acquire+0x13c/0x160 [ 21.640731][ T46] console_emit_next_record+0x22f/0x4c0 [ 21.640735][ T46] ? devkmsg_read+0x4b0/0x4b0 [ 21.640737][ T46] ? console_flush_one_record+0x106/0x710 [ 21.640740][ T46] ? rcu_is_watching+0x16/0xd0 [ 21.640742][ T46] ? lock_acquire+0x13c/0x160 [ 21.640746][ T46] console_flush_one_record+0x46f/0x710 [ 21.640750][ T46] ? console_emit_next_record+0x4c0/0x4c0 [ 21.640752][ T46] ? __lock_acquire+0x518/0xc20 [ 21.640758][ T46] console_unlock+0xee/0x1f0 [ 21.640760][ T46] ? console_flush_one_record+0x710/0x710 [ 21.640762][ T46] ? rcu_is_watching+0x16/0xd0 [ 21.640764][ T46] ? lock_acquire+0xe0/0x160 [ 21.640768][ T46] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.640770][ T46] ? vprintk_emit+0x320/0x3e0 [ 21.640772][ T46] vprintk_emit+0x37c/0x3e0 [ 21.640776][ T46] ? wake_up_klogd_work_func+0x90/0x90 [ 21.640778][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.640779][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.640783][ T46] _printk+0xc7/0x100 [ 21.640787][ T46] ? snapshot_read.cold+0x21/0x21 [ 21.640792][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 21.640796][ T46] br_set_state+0x22f/0x430 [ 21.640800][ T46] br_init_port+0xc4/0x200 [ 21.640802][ T46] br_stp_enable_port+0x12/0x50 [ 21.640804][ T46] br_port_carrier_check+0x220/0x430 [ 21.640808][ T46] br_device_event+0x52d/0x8f0 [ 21.640811][ T46] ? packet_sendmsg_spkt+0x1360/0x1360 [ 21.640813][ T46] ? nlmsg_notify+0x62/0x250 [ 21.640820][ T46] notifier_call_chain+0xae/0x300 [ 21.640826][ T46] netif_state_change+0x139/0x3d0 [ 21.640830][ T46] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 21.640835][ T46] ? linkwatch_do_dev+0xae/0xd0 [ 21.640837][ T46] __linkwatch_run_queue+0x350/0x850 [ 21.640840][ T46] ? linkwatch_do_dev+0xd0/0xd0 [ 21.640843][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 21.640847][ T46] linkwatch_event+0x7f/0xb0 [ 21.640849][ T46] ? __linkwatch_run_queue+0x850/0x850 [ 21.640853][ T46] process_one_work+0xe3e/0x1560 [ 21.640859][ T46] ? __queue_delayed_work+0x470/0x470 [ 21.640862][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 21.640870][ T46] worker_thread+0x4f1/0xd60 [ 21.640877][ T46] ? rescuer_thread+0x1340/0x1340 [ 21.640879][ T46] kthread+0x367/0x460 [ 21.640881][ T46] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.640885][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.640887][ T46] ret_from_fork+0x474/0x6b0 [ 21.640892][ T46] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 21.640895][ T46] ? __switch_to+0x5a3/0xe00 [ 21.640898][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.640901][ T46] ret_from_fork_asm+0x11/0x20 [ 21.640910][ T46] [ 21.663735][ T46] br: port 3(d3) entered forwarding state [ 21.685756][ T860] br: port 2(d2) entered blocking state [ 21.685989][ T860] br: port 2(d2) entered forwarding state [ 21.724226][ T396] br: port 1(d1) entered blocking state [ 21.729954][ T396] br: port 1(d1) entered forwarding state [ 22.515828][ T1552] br: port 1(d1) entered disabled state [ 22.813808][ T1591] br: port 1(d1) entered blocking state [ 22.813825][ T1591] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.813827][ T1591] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1591, name: ip [ 22.813828][ T1591] preempt_count: 202, expected: 0 [ 22.813829][ T1591] RCU nest depth: 0, expected: 0 [ 22.813830][ T1591] locks held by ip/1591: 6, last CPU#2: [ 22.813832][ T1591] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 22.813844][ T1591] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 22.813849][ T1591] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.813854][ T1591] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.813858][ T1591] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.813862][ T1591] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.813866][ T1591] irq event stamp: 12773 [ 22.813867][ T1591] hardirqs last enabled at (12772): [] __down_trylock_console_sem+0x86/0xa0 [ 22.813870][ T1591] hardirqs last disabled at (12773): [] console_emit_next_record+0x3d4/0x4c0 [ 22.813872][ T1591] softirqs last enabled at (12734): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 22.813874][ T1591] softirqs last disabled at (12768): [] br_device_event+0x5fd/0x8f0 [ 22.813877][ T1591] Preemption disabled at: [ 22.813877][ T1591] [<0000000000000000>] 0x0 [ 22.813884][ T1591] CPU: 2 UID: 0 PID: 1591 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.813888][ T1591] Tainted: [W]=WARN [ 22.813889][ T1591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.813890][ T1591] Call Trace: [ 22.813892][ T1591] [ 22.813893][ T1591] dump_stack_lvl+0x6f/0xa0 [ 22.813900][ T1591] __might_resched.cold+0x1fe/0x2c1 [ 22.813904][ T1591] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.813908][ T1591] ? __kmalloc_noprof+0xdb/0x760 [ 22.813912][ T1591] __kmalloc_noprof+0x443/0x760 [ 22.813914][ T1591] ? alloc_buf.isra.0+0x4b/0x260 [ 22.813921][ T1591] ? do_raw_spin_unlock+0x59/0x250 [ 22.813923][ T1591] alloc_buf.isra.0+0x4b/0x260 [ 22.813927][ T1591] put_chars+0x1e1/0x2f0 [ 22.813930][ T1591] ? __send_to_port+0x420/0x420 [ 22.813931][ T1591] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.813934][ T1591] ? validate_chain+0x38b/0xc20 [ 22.813940][ T1591] hvc_console_print+0x292/0x780 [ 22.813947][ T1591] ? hvc_write+0x3a0/0x3a0 [ 22.813950][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.813952][ T1591] ? lock_acquire+0x13c/0x160 [ 22.813956][ T1591] console_emit_next_record+0x22f/0x4c0 [ 22.813960][ T1591] ? devkmsg_read+0x4b0/0x4b0 [ 22.813962][ T1591] ? console_flush_one_record+0x106/0x710 [ 22.813965][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.813967][ T1591] ? lock_acquire+0x13c/0x160 [ 22.813971][ T1591] console_flush_one_record+0x46f/0x710 [ 22.813975][ T1591] ? console_emit_next_record+0x4c0/0x4c0 [ 22.813977][ T1591] ? __lock_acquire+0x518/0xc20 [ 22.813982][ T1591] console_unlock+0xee/0x1f0 [ 22.813985][ T1591] ? console_flush_one_record+0x710/0x710 [ 22.813987][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.813988][ T1591] ? lock_acquire+0xe0/0x160 [ 22.813992][ T1591] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.813994][ T1591] ? vprintk_emit+0x320/0x3e0 [ 22.813996][ T1591] vprintk_emit+0x37c/0x3e0 [ 22.813999][ T1591] ? wake_up_klogd_work_func+0x90/0x90 [ 22.814001][ T1591] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.814003][ T1591] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.814008][ T1591] _printk+0xc7/0x100 [ 22.814012][ T1591] ? snapshot_read.cold+0x21/0x21 [ 22.814017][ T1591] ? lock_acquire.part.0+0xd4/0x280 [ 22.814021][ T1591] br_set_state+0x22f/0x430 [ 22.814025][ T1591] br_init_port+0xc4/0x200 [ 22.814028][ T1591] br_stp_enable_port+0x12/0x50 [ 22.814030][ T1591] br_device_event+0x605/0x8f0 [ 22.814033][ T1591] ? packet_sendmsg_spkt+0x1360/0x1360 [ 22.814034][ T1591] ? nlmsg_notify+0x62/0x250 [ 22.814041][ T1591] notifier_call_chain+0xae/0x300 [ 22.814047][ T1591] __dev_notify_flags+0x1b7/0x450 [ 22.814052][ T1591] ? netif_change_name+0x8c0/0x8c0 [ 22.814056][ T1591] ? netif_set_allmulti+0x2c0/0x2c0 [ 22.814058][ T1591] ? kernel_text_address+0x149/0x170 [ 22.814061][ T1591] ? __kernel_text_address+0x12/0x30 [ 22.814063][ T1591] ? write_profile+0xf0/0xf0 [ 22.814067][ T1591] netif_change_flags+0xfe/0x190 [ 22.814071][ T1591] do_setlink.isra.0+0x1d25/0x2a60 [ 22.814075][ T1591] ? stack_trace_save+0x93/0xc0 [ 22.814077][ T1591] ? rtnl_link_get_size+0x350/0x350 [ 22.814078][ T1591] ? rcu_read_lock_any_held+0x66/0x90 [ 22.814080][ T1591] ? stack_depot_save_flags+0x38e/0x790 [ 22.814083][ T1591] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.814085][ T1591] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.814087][ T1591] ? validate_chain+0x38b/0xc20 [ 22.814089][ T1591] ? kasan_save_stack+0x3d/0x50 [ 22.814092][ T1591] ? kasan_save_stack+0x2f/0x50 [ 22.814093][ T1591] ? kasan_save_track+0x14/0x30 [ 22.814094][ T1591] ? __kasan_kmalloc+0x7b/0x90 [ 22.814096][ T1591] ? __lock_acquire+0x518/0xc20 [ 22.814098][ T1591] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 22.814101][ T1591] ? ___sys_sendmsg+0xd0/0x1d0 [ 22.814105][ T1591] ? lock_acquire.part.0+0xd4/0x280 [ 22.814107][ T1591] ? rtnl_newlink+0x9a8/0x11b0 [ 22.814109][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.814111][ T1591] ? lock_acquire+0x13c/0x160 [ 22.814113][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.814114][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.814115][ T1591] ? trace_contention_end+0xb3/0x180 [ 22.814118][ T1591] ? __mutex_lock+0x1db/0x1ea0 [ 22.814121][ T1591] ? __mutex_lock+0x9a3/0x1ea0 [ 22.814123][ T1591] ? rtnl_newlink+0x9a8/0x11b0 [ 22.814126][ T1591] ? ww_mutex_lock+0x160/0x160 [ 22.814129][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.814132][ T1591] ? __rtnl_newlink+0x3fa/0xa50 [ 22.814137][ T1591] rtnl_newlink+0x9f1/0x11b0 [ 22.814142][ T1591] ? rtnl_bridge_getlink+0x850/0x850 [ 22.814144][ T1591] ? __lock_acquire+0x518/0xc20 [ 22.814148][ T1591] ? lock_acquire.part.0+0xd4/0x280 [ 22.814150][ T1591] ? find_held_lock+0x2b/0x80 [ 22.814152][ T1591] ? rtnl_bridge_getlink+0x850/0x850 [ 22.814154][ T1591] ? __lock_release.isra.0+0x69/0x1a0 [ 22.814158][ T1591] ? rtnl_bridge_getlink+0x850/0x850 [ 22.814160][ T1591] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.814163][ T1591] ? rtnl_link_fill+0x920/0x920 [ 22.814164][ T1591] ? __lock_acquire+0x518/0xc20 [ 22.814169][ T1591] ? lock_acquire.part.0+0xd4/0x280 [ 22.814171][ T1591] ? find_held_lock+0x2b/0x80 [ 22.814174][ T1591] netlink_rcv_skb+0x14e/0x3a0 [ 22.814176][ T1591] ? rtnl_link_fill+0x920/0x920 [ 22.814179][ T1591] ? netlink_ack+0xcf0/0xcf0 [ 22.814185][ T1591] ? netlink_deliver_tap+0xc5/0x330 [ 22.814187][ T1591] ? netlink_deliver_tap+0x13c/0x330 [ 22.814191][ T1591] netlink_unicast+0x486/0x750 [ 22.814195][ T1591] ? netlink_attachskb+0x810/0x810 [ 22.814198][ T1591] ? find_held_lock+0x2b/0x80 [ 22.814202][ T1591] netlink_sendmsg+0x75b/0xc90 [ 22.814206][ T1591] ? netlink_unicast+0x750/0x750 [ 22.814210][ T1591] ? __lock_release.isra.0+0x69/0x1a0 [ 22.814211][ T1591] ? __import_iovec+0x36c/0x620 [ 22.814217][ T1591] __sock_sendmsg+0xce/0x190 [ 22.814219][ T1591] ____sys_sendmsg+0x61a/0x860 [ 22.814222][ T1591] ? copy_msghdr_from_user+0x279/0x420 [ 22.814224][ T1591] ? sock_write_iter+0x400/0x400 [ 22.814226][ T1591] ? move_addr_to_kernel+0x40/0x40 [ 22.814233][ T1591] ___sys_sendmsg+0x14e/0x1d0 [ 22.814236][ T1591] ? copy_msghdr_from_user+0x420/0x420 [ 22.814254][ T1591] __sys_sendmsg+0x12c/0x1d0 [ 22.814258][ T1591] ? __sys_sendmsg_sock+0x20/0x20 [ 22.814264][ T1591] ? rcu_is_watching+0x16/0xd0 [ 22.814267][ T1591] do_syscall_64+0xff/0x530 [ 22.814270][ T1591] ? exc_page_fault+0xee/0x100 [ 22.814272][ T1591] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.814275][ T1591] RIP: 0033:0x7f666e3eb54e [ 22.814277][ T1591] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 22.814278][ T1591] RSP: 002b:00007fff74a14000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.814281][ T1591] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f666e3eb54e [ 22.814282][ T1591] RDX: 0000000000000000 RSI: 00007fff74a140b0 RDI: 0000000000000005 [ 22.814283][ T1591] RBP: 00007fff74a14010 R08: 0000000000000000 R09: 0000000000000000 [ 22.814284][ T1591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3e4 [ 22.814285][ T1591] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff74a14770 [ 22.814291][ T1591] [ 22.860964][ T1591] br: port 1(d1) entered forwarding state [ 22.931119][ T1599] br: port 2(d2) entered disabled state [ 23.236314][ T1637] br: port 2(d2) entered blocking state [ 23.236585][ T1637] br: port 2(d2) entered forwarding state [ 23.306184][ T1645] br: port 1(d1) entered disabled state [ 23.387215][ T1653] br: port 2(d2) entered disabled state [ 23.703665][ T396] br: port 2(d2) entered blocking state [ 23.703924][ T396] br: port 2(d2) entered forwarding state [ 23.735615][ T46] br: port 1(d1) entered blocking state [ 23.735857][ T46] br: port 1(d1) entered forwarding state [ 23.808695][ T1701] br: port 1(d1) entered disabled state [ 23.889452][ T1709] br: port 2(d2) entered disabled state [ 23.889463][ T1709] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.889465][ T1709] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1709, name: ip [ 23.889467][ T1709] preempt_count: 202, expected: 0 [ 23.889467][ T1709] RCU nest depth: 0, expected: 0 [ 23.889468][ T1709] locks held by ip/1709: 6, last CPU#2: [ 23.889474][ T1709] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 23.889486][ T1709] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 23.889492][ T1709] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.889497][ T1709] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.889501][ T1709] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.889505][ T1709] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.889508][ T1709] irq event stamp: 29715 [ 23.889509][ T1709] hardirqs last enabled at (29714): [] __down_trylock_console_sem+0x86/0xa0 [ 23.889513][ T1709] hardirqs last disabled at (29715): [] console_emit_next_record+0x3d4/0x4c0 [ 23.889515][ T1709] softirqs last enabled at (29698): [] ipv6_mc_down+0x134/0x2d0 [ 23.889518][ T1709] softirqs last disabled at (29710): [] br_device_event+0x1d7/0x8f0 [ 23.889520][ T1709] Preemption disabled at: [ 23.889520][ T1709] [<0000000000000000>] 0x0 [ 23.889527][ T1709] CPU: 2 UID: 0 PID: 1709 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.889530][ T1709] Tainted: [W]=WARN [ 23.889531][ T1709] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.889532][ T1709] Call Trace: [ 23.889534][ T1709] [ 23.889535][ T1709] dump_stack_lvl+0x6f/0xa0 [ 23.889542][ T1709] __might_resched.cold+0x1fe/0x2c1 [ 23.889546][ T1709] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.889550][ T1709] ? __kmalloc_noprof+0xdb/0x760 [ 23.889555][ T1709] __kmalloc_noprof+0x443/0x760 [ 23.889557][ T1709] ? alloc_buf.isra.0+0x4b/0x260 [ 23.889563][ T1709] ? do_raw_spin_unlock+0x59/0x250 [ 23.889566][ T1709] alloc_buf.isra.0+0x4b/0x260 [ 23.889570][ T1709] put_chars+0x1e1/0x2f0 [ 23.889572][ T1709] ? __send_to_port+0x420/0x420 [ 23.889578][ T1709] hvc_console_print+0x292/0x780 [ 23.889586][ T1709] ? hvc_write+0x3a0/0x3a0 [ 23.889589][ T1709] ? lock_acquire+0x13c/0x160 [ 23.889593][ T1709] console_emit_next_record+0x22f/0x4c0 [ 23.889597][ T1709] ? devkmsg_read+0x4b0/0x4b0 [ 23.889599][ T1709] ? console_flush_one_record+0x106/0x710 [ 23.889602][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889605][ T1709] ? lock_acquire+0x13c/0x160 [ 23.889609][ T1709] console_flush_one_record+0x46f/0x710 [ 23.889613][ T1709] ? console_emit_next_record+0x4c0/0x4c0 [ 23.889615][ T1709] ? __lock_acquire+0x518/0xc20 [ 23.889621][ T1709] console_unlock+0xee/0x1f0 [ 23.889623][ T1709] ? console_flush_one_record+0x710/0x710 [ 23.889625][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889627][ T1709] ? lock_acquire+0xe0/0x160 [ 23.889631][ T1709] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.889632][ T1709] ? vprintk_emit+0x320/0x3e0 [ 23.889635][ T1709] vprintk_emit+0x37c/0x3e0 [ 23.889638][ T1709] ? wake_up_klogd_work_func+0x90/0x90 [ 23.889640][ T1709] ? mark_held_locks+0x40/0x70 [ 23.889642][ T1709] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.889644][ T1709] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.889649][ T1709] _printk+0xc7/0x100 [ 23.889652][ T1709] ? snapshot_read.cold+0x21/0x21 [ 23.889659][ T1709] br_set_state+0x22f/0x430 [ 23.889664][ T1709] br_stp_disable_port+0x11f/0x390 [ 23.889667][ T1709] br_device_event+0x7b5/0x8f0 [ 23.889669][ T1709] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 23.889673][ T1709] ? packet_sendmsg_spkt+0x1360/0x1360 [ 23.889678][ T1709] notifier_call_chain+0xae/0x300 [ 23.889684][ T1709] __dev_notify_flags+0x23c/0x450 [ 23.889689][ T1709] ? netif_change_name+0x8c0/0x8c0 [ 23.889693][ T1709] ? netif_set_allmulti+0x2c0/0x2c0 [ 23.889696][ T1709] ? __kernel_text_address+0x12/0x30 [ 23.889698][ T1709] ? write_profile+0xf0/0xf0 [ 23.889703][ T1709] netif_change_flags+0xfe/0x190 [ 23.889707][ T1709] do_setlink.isra.0+0x1d25/0x2a60 [ 23.889711][ T1709] ? stack_trace_save+0x93/0xc0 [ 23.889713][ T1709] ? rtnl_link_get_size+0x350/0x350 [ 23.889714][ T1709] ? rcu_read_lock_any_held+0x66/0x90 [ 23.889716][ T1709] ? stack_depot_save_flags+0x38e/0x790 [ 23.889719][ T1709] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.889721][ T1709] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.889723][ T1709] ? validate_chain+0x38b/0xc20 [ 23.889726][ T1709] ? kasan_save_stack+0x3d/0x50 [ 23.889728][ T1709] ? kasan_save_stack+0x2f/0x50 [ 23.889729][ T1709] ? kasan_save_track+0x14/0x30 [ 23.889730][ T1709] ? __kasan_kmalloc+0x7b/0x90 [ 23.889733][ T1709] ? __lock_acquire+0x518/0xc20 [ 23.889735][ T1709] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 23.889737][ T1709] ? ___sys_sendmsg+0xd0/0x1d0 [ 23.889741][ T1709] ? lock_acquire.part.0+0xd4/0x280 [ 23.889743][ T1709] ? rtnl_newlink+0x9a8/0x11b0 [ 23.889746][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889747][ T1709] ? lock_acquire+0x13c/0x160 [ 23.889749][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889750][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889752][ T1709] ? trace_contention_end+0xb3/0x180 [ 23.889754][ T1709] ? __mutex_lock+0x1db/0x1ea0 [ 23.889756][ T1709] ? __mutex_lock+0x9a3/0x1ea0 [ 23.889757][ T1709] ? rtnl_newlink+0x9a8/0x11b0 [ 23.889761][ T1709] ? ww_mutex_lock+0x160/0x160 [ 23.889764][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889767][ T1709] ? __rtnl_newlink+0x3fa/0xa50 [ 23.889772][ T1709] rtnl_newlink+0x9f1/0x11b0 [ 23.889777][ T1709] ? rtnl_bridge_getlink+0x850/0x850 [ 23.889779][ T1709] ? __lock_acquire+0x518/0xc20 [ 23.889784][ T1709] ? lock_acquire.part.0+0xd4/0x280 [ 23.889785][ T1709] ? find_held_lock+0x2b/0x80 [ 23.889788][ T1709] ? rtnl_bridge_getlink+0x850/0x850 [ 23.889789][ T1709] ? __lock_release.isra.0+0x69/0x1a0 [ 23.889793][ T1709] ? rtnl_bridge_getlink+0x850/0x850 [ 23.889795][ T1709] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.889798][ T1709] ? rtnl_link_fill+0x920/0x920 [ 23.889800][ T1709] ? __lock_acquire+0x518/0xc20 [ 23.889804][ T1709] ? lock_acquire.part.0+0xd4/0x280 [ 23.889806][ T1709] ? find_held_lock+0x2b/0x80 [ 23.889810][ T1709] netlink_rcv_skb+0x14e/0x3a0 [ 23.889813][ T1709] ? rtnl_link_fill+0x920/0x920 [ 23.889816][ T1709] ? netlink_ack+0xcf0/0xcf0 [ 23.889822][ T1709] ? netlink_deliver_tap+0xc5/0x330 [ 23.889824][ T1709] ? netlink_deliver_tap+0x13c/0x330 [ 23.889828][ T1709] netlink_unicast+0x486/0x750 [ 23.889832][ T1709] ? netlink_attachskb+0x810/0x810 [ 23.889835][ T1709] ? find_held_lock+0x2b/0x80 [ 23.889839][ T1709] netlink_sendmsg+0x75b/0xc90 [ 23.889843][ T1709] ? netlink_unicast+0x750/0x750 [ 23.889847][ T1709] ? __lock_release.isra.0+0x69/0x1a0 [ 23.889849][ T1709] ? __import_iovec+0x36c/0x620 [ 23.889854][ T1709] __sock_sendmsg+0xce/0x190 [ 23.889857][ T1709] ____sys_sendmsg+0x61a/0x860 [ 23.889859][ T1709] ? copy_msghdr_from_user+0x279/0x420 [ 23.889861][ T1709] ? sock_write_iter+0x400/0x400 [ 23.889863][ T1709] ? move_addr_to_kernel+0x40/0x40 [ 23.889870][ T1709] ___sys_sendmsg+0x14e/0x1d0 [ 23.889873][ T1709] ? copy_msghdr_from_user+0x420/0x420 [ 23.889889][ T1709] __sys_sendmsg+0x12c/0x1d0 [ 23.889892][ T1709] ? __sys_sendmsg_sock+0x20/0x20 [ 23.889900][ T1709] ? rcu_is_watching+0x16/0xd0 [ 23.889903][ T1709] do_syscall_64+0xff/0x530 [ 23.889906][ T1709] ? exc_page_fault+0xee/0x100 [ 23.889909][ T1709] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.889911][ T1709] RIP: 0033:0x7f128c5a154e [ 23.889913][ T1709] 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 [ 23.889915][ T1709] RSP: 002b:00007ffe0044f3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.889917][ T1709] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f128c5a154e [ 23.889919][ T1709] RDX: 0000000000000000 RSI: 00007ffe0044f460 RDI: 0000000000000005 [ 23.889919][ T1709] RBP: 00007ffe0044f3c0 R08: 0000000000000000 R09: 0000000000000000 [ 23.889920][ T1709] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3e5 [ 23.889921][ T1709] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0044fb20 [ 23.889928][ T1709] [ 24.011395][ T1717] br: port 3(d3) entered disabled state [ 24.319595][ T1755] br: port 3(d3) entered blocking state [ 24.319896][ T1755] br: port 3(d3) entered forwarding state [ 24.356476][ T1757] br: port 2(d2) entered blocking state [ 24.356725][ T1757] br: port 2(d2) entered forwarding state [ 24.384653][ T1759] br: port 1(d1) entered blocking state [ 24.384928][ T1759] br: port 1(d1) entered forwarding state [ 25.146901][ T1816] br: port 1(d1) entered disabled state [ 25.146919][ T1816] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.146921][ T1816] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1816, name: ip [ 25.146922][ T1816] preempt_count: 202, expected: 0 [ 25.146923][ T1816] RCU nest depth: 0, expected: 0 [ 25.146924][ T1816] locks held by ip/1816: 6, last CPU#3: [ 25.146926][ T1816] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 25.146937][ T1816] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 25.146943][ T1816] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.146948][ T1816] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.146952][ T1816] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.146956][ T1816] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.146960][ T1816] irq event stamp: 19195 [ 25.146961][ T1816] hardirqs last enabled at (19194): [] __down_trylock_console_sem+0x86/0xa0 [ 25.146964][ T1816] hardirqs last disabled at (19195): [] console_emit_next_record+0x3d4/0x4c0 [ 25.146966][ T1816] softirqs last enabled at (19178): [] ipv6_mc_down+0x134/0x2d0 [ 25.146970][ T1816] softirqs last disabled at (19190): [] br_device_event+0x1d7/0x8f0 [ 25.146972][ T1816] Preemption disabled at: [ 25.146972][ T1816] [<0000000000000000>] 0x0 [ 25.146979][ T1816] CPU: 3 UID: 0 PID: 1816 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.146983][ T1816] Tainted: [W]=WARN [ 25.146984][ T1816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.146985][ T1816] Call Trace: [ 25.146986][ T1816] [ 25.146988][ T1816] dump_stack_lvl+0x6f/0xa0 [ 25.146995][ T1816] __might_resched.cold+0x1fe/0x2c1 [ 25.146999][ T1816] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.147003][ T1816] ? __kmalloc_noprof+0xdb/0x760 [ 25.147008][ T1816] __kmalloc_noprof+0x443/0x760 [ 25.147010][ T1816] ? alloc_buf.isra.0+0x4b/0x260 [ 25.147016][ T1816] ? do_raw_spin_unlock+0x59/0x250 [ 25.147018][ T1816] alloc_buf.isra.0+0x4b/0x260 [ 25.147022][ T1816] put_chars+0x1e1/0x2f0 [ 25.147025][ T1816] ? __send_to_port+0x420/0x420 [ 25.147031][ T1816] hvc_console_print+0x292/0x780 [ 25.147038][ T1816] ? hvc_write+0x3a0/0x3a0 [ 25.147041][ T1816] ? lock_acquire+0x13c/0x160 [ 25.147046][ T1816] console_emit_next_record+0x22f/0x4c0 [ 25.147050][ T1816] ? devkmsg_read+0x4b0/0x4b0 [ 25.147052][ T1816] ? console_flush_one_record+0x106/0x710 [ 25.147055][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147057][ T1816] ? lock_acquire+0x13c/0x160 [ 25.147061][ T1816] console_flush_one_record+0x46f/0x710 [ 25.147066][ T1816] ? console_emit_next_record+0x4c0/0x4c0 [ 25.147068][ T1816] ? __lock_acquire+0x518/0xc20 [ 25.147073][ T1816] console_unlock+0xee/0x1f0 [ 25.147076][ T1816] ? console_flush_one_record+0x710/0x710 [ 25.147077][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147079][ T1816] ? lock_acquire+0xe0/0x160 [ 25.147083][ T1816] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.147085][ T1816] ? vprintk_emit+0x320/0x3e0 [ 25.147087][ T1816] vprintk_emit+0x37c/0x3e0 [ 25.147090][ T1816] ? wake_up_klogd_work_func+0x90/0x90 [ 25.147092][ T1816] ? mark_held_locks+0x40/0x70 [ 25.147094][ T1816] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.147096][ T1816] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.147101][ T1816] _printk+0xc7/0x100 [ 25.147104][ T1816] ? snapshot_read.cold+0x21/0x21 [ 25.147112][ T1816] br_set_state+0x22f/0x430 [ 25.147116][ T1816] br_stp_disable_port+0x11f/0x390 [ 25.147120][ T1816] br_device_event+0x7b5/0x8f0 [ 25.147122][ T1816] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 25.147126][ T1816] ? packet_sendmsg_spkt+0x1360/0x1360 [ 25.147131][ T1816] notifier_call_chain+0xae/0x300 [ 25.147137][ T1816] __dev_notify_flags+0x23c/0x450 [ 25.147142][ T1816] ? netif_change_name+0x8c0/0x8c0 [ 25.147146][ T1816] ? netif_set_allmulti+0x2c0/0x2c0 [ 25.147149][ T1816] ? __kernel_text_address+0x12/0x30 [ 25.147151][ T1816] ? write_profile+0xf0/0xf0 [ 25.147156][ T1816] netif_change_flags+0xfe/0x190 [ 25.147160][ T1816] do_setlink.isra.0+0x1d25/0x2a60 [ 25.147163][ T1816] ? stack_trace_save+0x93/0xc0 [ 25.147165][ T1816] ? rtnl_link_get_size+0x350/0x350 [ 25.147166][ T1816] ? rcu_read_lock_any_held+0x66/0x90 [ 25.147168][ T1816] ? stack_depot_save_flags+0x38e/0x790 [ 25.147172][ T1816] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.147174][ T1816] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.147175][ T1816] ? validate_chain+0x38b/0xc20 [ 25.147178][ T1816] ? kasan_save_stack+0x3d/0x50 [ 25.147180][ T1816] ? kasan_save_stack+0x2f/0x50 [ 25.147181][ T1816] ? kasan_save_track+0x14/0x30 [ 25.147182][ T1816] ? __kasan_kmalloc+0x7b/0x90 [ 25.147185][ T1816] ? __lock_acquire+0x518/0xc20 [ 25.147187][ T1816] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 25.147189][ T1816] ? ___sys_sendmsg+0xd0/0x1d0 [ 25.147193][ T1816] ? lock_acquire.part.0+0xd4/0x280 [ 25.147195][ T1816] ? rtnl_newlink+0x9a8/0x11b0 [ 25.147197][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147199][ T1816] ? lock_acquire+0x13c/0x160 [ 25.147201][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147202][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147203][ T1816] ? trace_contention_end+0xb3/0x180 [ 25.147206][ T1816] ? __mutex_lock+0x1db/0x1ea0 [ 25.147207][ T1816] ? __mutex_lock+0x9a3/0x1ea0 [ 25.147209][ T1816] ? rtnl_newlink+0x9a8/0x11b0 [ 25.147212][ T1816] ? ww_mutex_lock+0x160/0x160 [ 25.147216][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147218][ T1816] ? __rtnl_newlink+0x3fa/0xa50 [ 25.147223][ T1816] rtnl_newlink+0x9f1/0x11b0 [ 25.147229][ T1816] ? rtnl_bridge_getlink+0x850/0x850 [ 25.147230][ T1816] ? __lock_acquire+0x518/0xc20 [ 25.147235][ T1816] ? lock_acquire.part.0+0xd4/0x280 [ 25.147237][ T1816] ? find_held_lock+0x2b/0x80 [ 25.147239][ T1816] ? rtnl_bridge_getlink+0x850/0x850 [ 25.147243][ T1816] ? __lock_release.isra.0+0x69/0x1a0 [ 25.147247][ T1816] ? rtnl_bridge_getlink+0x850/0x850 [ 25.147249][ T1816] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 25.147252][ T1816] ? rtnl_link_fill+0x920/0x920 [ 25.147253][ T1816] ? __lock_acquire+0x518/0xc20 [ 25.147258][ T1816] ? lock_acquire.part.0+0xd4/0x280 [ 25.147260][ T1816] ? find_held_lock+0x2b/0x80 [ 25.147263][ T1816] netlink_rcv_skb+0x14e/0x3a0 [ 25.147266][ T1816] ? rtnl_link_fill+0x920/0x920 [ 25.147269][ T1816] ? netlink_ack+0xcf0/0xcf0 [ 25.147276][ T1816] ? netlink_deliver_tap+0xc5/0x330 [ 25.147278][ T1816] ? netlink_deliver_tap+0x13c/0x330 [ 25.147282][ T1816] netlink_unicast+0x486/0x750 [ 25.147286][ T1816] ? netlink_attachskb+0x810/0x810 [ 25.147288][ T1816] ? find_held_lock+0x2b/0x80 [ 25.147293][ T1816] netlink_sendmsg+0x75b/0xc90 [ 25.147296][ T1816] ? netlink_unicast+0x750/0x750 [ 25.147300][ T1816] ? __lock_release.isra.0+0x69/0x1a0 [ 25.147302][ T1816] ? __import_iovec+0x36c/0x620 [ 25.147307][ T1816] __sock_sendmsg+0xce/0x190 [ 25.147310][ T1816] ____sys_sendmsg+0x61a/0x860 [ 25.147312][ T1816] ? copy_msghdr_from_user+0x279/0x420 [ 25.147315][ T1816] ? sock_write_iter+0x400/0x400 [ 25.147316][ T1816] ? move_addr_to_kernel+0x40/0x40 [ 25.147324][ T1816] ___sys_sendmsg+0x14e/0x1d0 [ 25.147326][ T1816] ? copy_msghdr_from_user+0x420/0x420 [ 25.147342][ T1816] __sys_sendmsg+0x12c/0x1d0 [ 25.147345][ T1816] ? __sys_sendmsg_sock+0x20/0x20 [ 25.147351][ T1816] ? rcu_is_watching+0x16/0xd0 [ 25.147354][ T1816] do_syscall_64+0xff/0x530 [ 25.147357][ T1816] ? exc_page_fault+0xee/0x100 [ 25.147360][ T1816] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.147361][ T1816] RIP: 0033:0x7f032f6f854e [ 25.147364][ T1816] 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 [ 25.147366][ T1816] RSP: 002b:00007ffe7471d8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.147368][ T1816] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f032f6f854e [ 25.147370][ T1816] RDX: 0000000000000000 RSI: 00007ffe7471d950 RDI: 0000000000000005 [ 25.147370][ T1816] RBP: 00007ffe7471d8b0 R08: 0000000000000000 R09: 0000000000000000 [ 25.147371][ T1816] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3e6 [ 25.147372][ T1816] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7471e010 [ 25.147379][ T1816] [ 25.489645][ T46] br: port 1(d1) entered blocking state [ 25.489944][ T46] br: port 1(d1) entered forwarding state [ 25.568471][ T1862] br: port 2(d2) entered disabled state [ 25.860954][ T1900] br: port 2(d2) entered blocking state [ 25.861250][ T1900] br: port 2(d2) entered forwarding state [ 25.933164][ T1908] br: port 1(d1) entered disabled state [ 26.021193][ T1916] br: port 2(d2) entered disabled state [ 26.334941][ T1954] br: port 2(d2) entered blocking state [ 26.334959][ T1954] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.334962][ T1954] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1954, name: ip [ 26.334963][ T1954] preempt_count: 202, expected: 0 [ 26.334964][ T1954] RCU nest depth: 0, expected: 0 [ 26.334965][ T1954] locks held by ip/1954: 6, last CPU#2: [ 26.334967][ T1954] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.334979][ T1954] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 26.334985][ T1954] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.334989][ T1954] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.334993][ T1954] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.334997][ T1954] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.335001][ T1954] irq event stamp: 26247 [ 26.335002][ T1954] hardirqs last enabled at (26246): [] __down_trylock_console_sem+0x86/0xa0 [ 26.335005][ T1954] hardirqs last disabled at (26247): [] console_emit_next_record+0x3d4/0x4c0 [ 26.335007][ T1954] softirqs last enabled at (26208): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 26.335009][ T1954] softirqs last disabled at (26242): [] br_device_event+0x5fd/0x8f0 [ 26.335011][ T1954] Preemption disabled at: [ 26.335012][ T1954] [<0000000000000000>] 0x0 [ 26.335019][ T1954] CPU: 2 UID: 0 PID: 1954 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.335022][ T1954] Tainted: [W]=WARN [ 26.335023][ T1954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.335025][ T1954] Call Trace: [ 26.335027][ T1954] [ 26.335028][ T1954] dump_stack_lvl+0x6f/0xa0 [ 26.335034][ T1954] __might_resched.cold+0x1fe/0x2c1 [ 26.335039][ T1954] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.335043][ T1954] ? __kmalloc_noprof+0xdb/0x760 [ 26.335047][ T1954] __kmalloc_noprof+0x443/0x760 [ 26.335049][ T1954] ? alloc_buf.isra.0+0x4b/0x260 [ 26.335056][ T1954] ? do_raw_spin_unlock+0x59/0x250 [ 26.335059][ T1954] alloc_buf.isra.0+0x4b/0x260 [ 26.335062][ T1954] put_chars+0x1e1/0x2f0 [ 26.335065][ T1954] ? __send_to_port+0x420/0x420 [ 26.335066][ T1954] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.335069][ T1954] ? validate_chain+0x38b/0xc20 [ 26.335075][ T1954] hvc_console_print+0x292/0x780 [ 26.335082][ T1954] ? hvc_write+0x3a0/0x3a0 [ 26.335085][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335087][ T1954] ? lock_acquire+0x13c/0x160 [ 26.335091][ T1954] console_emit_next_record+0x22f/0x4c0 [ 26.335095][ T1954] ? devkmsg_read+0x4b0/0x4b0 [ 26.335097][ T1954] ? console_flush_one_record+0x106/0x710 [ 26.335100][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335102][ T1954] ? lock_acquire+0x13c/0x160 [ 26.335105][ T1954] console_flush_one_record+0x46f/0x710 [ 26.335110][ T1954] ? console_emit_next_record+0x4c0/0x4c0 [ 26.335112][ T1954] ? __lock_acquire+0x518/0xc20 [ 26.335117][ T1954] console_unlock+0xee/0x1f0 [ 26.335120][ T1954] ? console_flush_one_record+0x710/0x710 [ 26.335122][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335123][ T1954] ? lock_acquire+0xe0/0x160 [ 26.335127][ T1954] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.335129][ T1954] ? vprintk_emit+0x320/0x3e0 [ 26.335131][ T1954] vprintk_emit+0x37c/0x3e0 [ 26.335134][ T1954] ? wake_up_klogd_work_func+0x90/0x90 [ 26.335136][ T1954] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.335138][ T1954] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.335143][ T1954] _printk+0xc7/0x100 [ 26.335147][ T1954] ? snapshot_read.cold+0x21/0x21 [ 26.335152][ T1954] ? lock_acquire.part.0+0xd4/0x280 [ 26.335156][ T1954] br_set_state+0x22f/0x430 [ 26.335160][ T1954] br_init_port+0xc4/0x200 [ 26.335163][ T1954] br_stp_enable_port+0x12/0x50 [ 26.335165][ T1954] br_device_event+0x605/0x8f0 [ 26.335167][ T1954] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.335169][ T1954] ? nlmsg_notify+0x62/0x250 [ 26.335176][ T1954] notifier_call_chain+0xae/0x300 [ 26.335182][ T1954] __dev_notify_flags+0x1b7/0x450 [ 26.335187][ T1954] ? netif_change_name+0x8c0/0x8c0 [ 26.335191][ T1954] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.335193][ T1954] ? kernel_text_address+0x149/0x170 [ 26.335196][ T1954] ? __kernel_text_address+0x12/0x30 [ 26.335198][ T1954] ? write_profile+0xf0/0xf0 [ 26.335203][ T1954] netif_change_flags+0xfe/0x190 [ 26.335206][ T1954] do_setlink.isra.0+0x1d25/0x2a60 [ 26.335210][ T1954] ? stack_trace_save+0x93/0xc0 [ 26.335212][ T1954] ? rtnl_link_get_size+0x350/0x350 [ 26.335213][ T1954] ? rcu_read_lock_any_held+0x66/0x90 [ 26.335215][ T1954] ? stack_depot_save_flags+0x38e/0x790 [ 26.335219][ T1954] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.335220][ T1954] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.335222][ T1954] ? validate_chain+0x38b/0xc20 [ 26.335225][ T1954] ? kasan_save_stack+0x3d/0x50 [ 26.335227][ T1954] ? kasan_save_stack+0x2f/0x50 [ 26.335228][ T1954] ? kasan_save_track+0x14/0x30 [ 26.335230][ T1954] ? __kasan_kmalloc+0x7b/0x90 [ 26.335232][ T1954] ? __lock_acquire+0x518/0xc20 [ 26.335234][ T1954] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 26.335237][ T1954] ? ___sys_sendmsg+0xd0/0x1d0 [ 26.335242][ T1954] ? lock_acquire.part.0+0xd4/0x280 [ 26.335244][ T1954] ? rtnl_newlink+0x9a8/0x11b0 [ 26.335247][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335248][ T1954] ? lock_acquire+0x13c/0x160 [ 26.335250][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335251][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335253][ T1954] ? trace_contention_end+0xb3/0x180 [ 26.335255][ T1954] ? __mutex_lock+0x1db/0x1ea0 [ 26.335258][ T1954] ? __mutex_lock+0x9a3/0x1ea0 [ 26.335260][ T1954] ? rtnl_newlink+0x9a8/0x11b0 [ 26.335263][ T1954] ? ww_mutex_lock+0x160/0x160 [ 26.335266][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335269][ T1954] ? __rtnl_newlink+0x3fa/0xa50 [ 26.335274][ T1954] rtnl_newlink+0x9f1/0x11b0 [ 26.335279][ T1954] ? rtnl_bridge_getlink+0x850/0x850 [ 26.335281][ T1954] ? __lock_acquire+0x518/0xc20 [ 26.335285][ T1954] ? lock_acquire.part.0+0xd4/0x280 [ 26.335287][ T1954] ? find_held_lock+0x2b/0x80 [ 26.335289][ T1954] ? rtnl_bridge_getlink+0x850/0x850 [ 26.335291][ T1954] ? __lock_release.isra.0+0x69/0x1a0 [ 26.335295][ T1954] ? rtnl_bridge_getlink+0x850/0x850 [ 26.335297][ T1954] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.335300][ T1954] ? rtnl_link_fill+0x920/0x920 [ 26.335301][ T1954] ? __lock_acquire+0x518/0xc20 [ 26.335306][ T1954] ? lock_acquire.part.0+0xd4/0x280 [ 26.335308][ T1954] ? find_held_lock+0x2b/0x80 [ 26.335311][ T1954] netlink_rcv_skb+0x14e/0x3a0 [ 26.335313][ T1954] ? rtnl_link_fill+0x920/0x920 [ 26.335316][ T1954] ? netlink_ack+0xcf0/0xcf0 [ 26.335322][ T1954] ? netlink_deliver_tap+0xc5/0x330 [ 26.335324][ T1954] ? netlink_deliver_tap+0x13c/0x330 [ 26.335329][ T1954] netlink_unicast+0x486/0x750 [ 26.335333][ T1954] ? netlink_attachskb+0x810/0x810 [ 26.335335][ T1954] ? find_held_lock+0x2b/0x80 [ 26.335340][ T1954] netlink_sendmsg+0x75b/0xc90 [ 26.335344][ T1954] ? netlink_unicast+0x750/0x750 [ 26.335347][ T1954] ? __lock_release.isra.0+0x69/0x1a0 [ 26.335349][ T1954] ? __import_iovec+0x36c/0x620 [ 26.335354][ T1954] __sock_sendmsg+0xce/0x190 [ 26.335357][ T1954] ____sys_sendmsg+0x61a/0x860 [ 26.335359][ T1954] ? copy_msghdr_from_user+0x279/0x420 [ 26.335362][ T1954] ? sock_write_iter+0x400/0x400 [ 26.335363][ T1954] ? move_addr_to_kernel+0x40/0x40 [ 26.335371][ T1954] ___sys_sendmsg+0x14e/0x1d0 [ 26.335373][ T1954] ? copy_msghdr_from_user+0x420/0x420 [ 26.335389][ T1954] __sys_sendmsg+0x12c/0x1d0 [ 26.335392][ T1954] ? __sys_sendmsg_sock+0x20/0x20 [ 26.335398][ T1954] ? rcu_is_watching+0x16/0xd0 [ 26.335401][ T1954] do_syscall_64+0xff/0x530 [ 26.335404][ T1954] ? exc_page_fault+0xee/0x100 [ 26.335407][ T1954] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.335409][ T1954] RIP: 0033:0x7fc50c9c454e [ 26.335411][ T1954] 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 [ 26.335413][ T1954] RSP: 002b:00007fff8ab64d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.335416][ T1954] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc50c9c454e [ 26.335417][ T1954] RDX: 0000000000000000 RSI: 00007fff8ab64e30 RDI: 0000000000000005 [ 26.335418][ T1954] RBP: 00007fff8ab64d90 R08: 0000000000000000 R09: 0000000000000000 [ 26.335419][ T1954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3e7 [ 26.335420][ T1954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8ab654f0 [ 26.335427][ T1954] [ 26.379452][ T1954] br: port 2(d2) entered forwarding state [ 26.418618][ T46] br: port 1(d1) entered blocking state [ 26.418879][ T46] br: port 1(d1) entered forwarding state [ 26.496182][ T1964] br: port 1(d1) entered disabled state [ 26.572857][ T1972] br: port 2(d2) entered disabled state [ 26.642399][ T1980] br: port 3(d3) entered disabled state [ 27.731641][ T860] br: port 3(d3) entered blocking state [ 27.731660][ T860] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.731662][ T860] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 860, name: kworker/u19:2 [ 27.731663][ T860] preempt_count: 202, expected: 0 [ 27.731664][ T860] RCU nest depth: 0, expected: 0 [ 27.731665][ T860] locks held by kworker/u19:2/860: 8, last CPU#3: [ 27.731667][ T860] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 27.731680][ T860] #1: ffa0000002c97d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 27.731684][ T860] #2: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 27.731689][ T860] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 27.731695][ T860] #4: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.731699][ T860] #5: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.731703][ T860] #6: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.731706][ T860] #7: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 27.731710][ T860] irq event stamp: 191353 [ 27.731711][ T860] hardirqs last enabled at (191352): [] __down_trylock_console_sem+0x86/0xa0 [ 27.731714][ T860] hardirqs last disabled at (191353): [] console_emit_next_record+0x3d4/0x4c0 [ 27.731716][ T860] softirqs last enabled at (191314): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 27.731719][ T860] softirqs last disabled at (191348): [] br_port_carrier_check+0x161/0x430 [ 27.731722][ T860] Preemption disabled at: [ 27.731722][ T860] [<0000000000000000>] 0x0 [ 27.731729][ T860] CPU: 3 UID: 0 PID: 860 Comm: kworker/u19:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.731732][ T860] Tainted: [W]=WARN [ 27.731733][ T860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.731735][ T860] Workqueue: events_unbound linkwatch_event [ 27.731738][ T860] Call Trace: [ 27.731739][ T860] [ 27.731741][ T860] dump_stack_lvl+0x6f/0xa0 [ 27.731747][ T860] __might_resched.cold+0x1fe/0x2c1 [ 27.731752][ T860] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.731756][ T860] ? __kmalloc_noprof+0xdb/0x760 [ 27.731760][ T860] __kmalloc_noprof+0x443/0x760 [ 27.731762][ T860] ? alloc_buf.isra.0+0x4b/0x260 [ 27.731768][ T860] ? do_raw_spin_unlock+0x59/0x250 [ 27.731771][ T860] alloc_buf.isra.0+0x4b/0x260 [ 27.731775][ T860] put_chars+0x1e1/0x2f0 [ 27.731777][ T860] ? __send_to_port+0x420/0x420 [ 27.731780][ T860] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.731782][ T860] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.731785][ T860] ? validate_chain+0x38b/0xc20 [ 27.731789][ T860] hvc_console_print+0x292/0x780 [ 27.731793][ T860] ? mark_usage+0x61/0x170 [ 27.731795][ T860] ? __lock_acquire+0x518/0xc20 [ 27.731797][ T860] ? __lock_acquire+0x518/0xc20 [ 27.731801][ T860] ? hvc_write+0x3a0/0x3a0 [ 27.731803][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 27.731807][ T860] ? lock_acquire+0x13c/0x160 [ 27.731811][ T860] console_emit_next_record+0x22f/0x4c0 [ 27.731815][ T860] ? devkmsg_read+0x4b0/0x4b0 [ 27.731817][ T860] ? console_flush_one_record+0x106/0x710 [ 27.731820][ T860] ? rcu_is_watching+0x16/0xd0 [ 27.731822][ T860] ? lock_acquire+0x13c/0x160 [ 27.731826][ T860] console_flush_one_record+0x46f/0x710 [ 27.731830][ T860] ? console_emit_next_record+0x4c0/0x4c0 [ 27.731832][ T860] ? __lock_acquire+0x518/0xc20 [ 27.731838][ T860] console_unlock+0xee/0x1f0 [ 27.731840][ T860] ? console_flush_one_record+0x710/0x710 [ 27.731842][ T860] ? rcu_is_watching+0x16/0xd0 [ 27.731844][ T860] ? lock_acquire+0xe0/0x160 [ 27.731848][ T860] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.731849][ T860] ? vprintk_emit+0x320/0x3e0 [ 27.731852][ T860] vprintk_emit+0x37c/0x3e0 [ 27.731855][ T860] ? wake_up_klogd_work_func+0x90/0x90 [ 27.731857][ T860] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.731859][ T860] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.731863][ T860] _printk+0xc7/0x100 [ 27.731867][ T860] ? snapshot_read.cold+0x21/0x21 [ 27.731872][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 27.731876][ T860] br_set_state+0x22f/0x430 [ 27.731880][ T860] br_init_port+0xc4/0x200 [ 27.731883][ T860] br_stp_enable_port+0x12/0x50 [ 27.731884][ T860] br_port_carrier_check+0x220/0x430 [ 27.731888][ T860] br_device_event+0x52d/0x8f0 [ 27.731892][ T860] ? packet_sendmsg_spkt+0x1360/0x1360 [ 27.731893][ T860] ? nlmsg_notify+0x62/0x250 [ 27.731900][ T860] notifier_call_chain+0xae/0x300 [ 27.731906][ T860] netif_state_change+0x139/0x3d0 [ 27.731911][ T860] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 27.731915][ T860] ? linkwatch_do_dev+0xae/0xd0 [ 27.731917][ T860] __linkwatch_run_queue+0x350/0x850 [ 27.731920][ T860] ? linkwatch_do_dev+0xd0/0xd0 [ 27.731923][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 27.731927][ T860] linkwatch_event+0x7f/0xb0 [ 27.731929][ T860] ? __linkwatch_run_queue+0x850/0x850 [ 27.731933][ T860] process_one_work+0xe3e/0x1560 [ 27.731939][ T860] ? __queue_delayed_work+0x470/0x470 [ 27.731942][ T860] ? lock_acquire.part.0+0xd4/0x280 [ 27.731950][ T860] worker_thread+0x4f1/0xd60 [ 27.731954][ T860] ? rescuer_thread+0x1340/0x1340 [ 27.731956][ T860] ? __kthread_parkme+0xbd/0x210 [ 27.731959][ T860] ? rescuer_thread+0x1340/0x1340 [ 27.731962][ T860] ? rescuer_thread+0x1340/0x1340 [ 27.731964][ T860] kthread+0x367/0x460 [ 27.731966][ T860] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.731969][ T860] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.731972][ T860] ret_from_fork+0x474/0x6b0 [ 27.731976][ T860] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 27.731979][ T860] ? __switch_to+0x5a3/0xe00 [ 27.731982][ T860] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.731985][ T860] ret_from_fork_asm+0x11/0x20 [ 27.731994][ T860] [ 27.754172][ T860] br: port 3(d3) entered forwarding state [ 27.773628][ T46] br: port 2(d2) entered blocking state [ 27.773849][ T46] br: port 2(d2) entered forwarding state [ 27.807599][ T860] br: port 1(d1) entered blocking state [ 27.807815][ T860] br: port 1(d1) entered forwarding state [ 28.412096][ T2160] br: port 1(d1) entered disabled state [ 28.939363][ T396] br: port 1(d1) entered blocking state [ 28.939383][ T396] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.939385][ T396] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 396, name: kworker/u20:2 [ 28.939386][ T396] preempt_count: 202, expected: 0 [ 28.939387][ T396] RCU nest depth: 0, expected: 0 [ 28.939388][ T396] locks held by kworker/u20:2/396: 8, last CPU#3: [ 28.939391][ T396] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 28.939403][ T396] #1: ffa0000001bf7d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 28.939407][ T396] #2: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 28.939412][ T396] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 28.939418][ T396] #4: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.939422][ T396] #5: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.939425][ T396] #6: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.939429][ T396] #7: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.939433][ T396] irq event stamp: 241279 [ 28.939434][ T396] hardirqs last enabled at (241278): [] __down_trylock_console_sem+0x86/0xa0 [ 28.939437][ T396] hardirqs last disabled at (241279): [] console_emit_next_record+0x3d4/0x4c0 [ 28.939439][ T396] softirqs last enabled at (241240): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 28.939442][ T396] softirqs last disabled at (241274): [] br_port_carrier_check+0x161/0x430 [ 28.939444][ T396] Preemption disabled at: [ 28.939445][ T396] [<0000000000000000>] 0x0 [ 28.939451][ T396] CPU: 3 UID: 0 PID: 396 Comm: kworker/u20:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.939455][ T396] Tainted: [W]=WARN [ 28.939456][ T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.939457][ T396] Workqueue: events_unbound linkwatch_event [ 28.939460][ T396] Call Trace: [ 28.939462][ T396] [ 28.939463][ T396] dump_stack_lvl+0x6f/0xa0 [ 28.939470][ T396] __might_resched.cold+0x1fe/0x2c1 [ 28.939474][ T396] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.939478][ T396] ? __kmalloc_noprof+0xdb/0x760 [ 28.939482][ T396] __kmalloc_noprof+0x443/0x760 [ 28.939484][ T396] ? alloc_buf.isra.0+0x4b/0x260 [ 28.939494][ T396] ? do_raw_spin_unlock+0x59/0x250 [ 28.939497][ T396] alloc_buf.isra.0+0x4b/0x260 [ 28.939501][ T396] put_chars+0x1e1/0x2f0 [ 28.939503][ T396] ? __send_to_port+0x420/0x420 [ 28.939506][ T396] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.939509][ T396] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.939512][ T396] ? validate_chain+0x38b/0xc20 [ 28.939516][ T396] hvc_console_print+0x292/0x780 [ 28.939520][ T396] ? mark_usage+0x61/0x170 [ 28.939522][ T396] ? __lock_acquire+0x518/0xc20 [ 28.939523][ T396] ? __lock_acquire+0x518/0xc20 [ 28.939527][ T396] ? hvc_write+0x3a0/0x3a0 [ 28.939529][ T396] ? lock_acquire.part.0+0xd4/0x280 [ 28.939534][ T396] ? lock_acquire+0x13c/0x160 [ 28.939538][ T396] console_emit_next_record+0x22f/0x4c0 [ 28.939542][ T396] ? devkmsg_read+0x4b0/0x4b0 [ 28.939544][ T396] ? console_flush_one_record+0x106/0x710 [ 28.939547][ T396] ? rcu_is_watching+0x16/0xd0 [ 28.939549][ T396] ? lock_acquire+0x13c/0x160 [ 28.939553][ T396] console_flush_one_record+0x46f/0x710 [ 28.939557][ T396] ? console_emit_next_record+0x4c0/0x4c0 [ 28.939559][ T396] ? __lock_acquire+0x518/0xc20 [ 28.939564][ T396] console_unlock+0xee/0x1f0 [ 28.939567][ T396] ? console_flush_one_record+0x710/0x710 [ 28.939569][ T396] ? rcu_is_watching+0x16/0xd0 [ 28.939571][ T396] ? lock_acquire+0xe0/0x160 [ 28.939574][ T396] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.939576][ T396] ? vprintk_emit+0x320/0x3e0 [ 28.939579][ T396] vprintk_emit+0x37c/0x3e0 [ 28.939582][ T396] ? wake_up_klogd_work_func+0x90/0x90 [ 28.939584][ T396] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.939586][ T396] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.939589][ T396] _printk+0xc7/0x100 [ 28.939593][ T396] ? snapshot_read.cold+0x21/0x21 [ 28.939598][ T396] ? lock_acquire.part.0+0xd4/0x280 [ 28.939602][ T396] br_set_state+0x22f/0x430 [ 28.939606][ T396] br_init_port+0xc4/0x200 [ 28.939609][ T396] br_stp_enable_port+0x12/0x50 [ 28.939610][ T396] br_port_carrier_check+0x220/0x430 [ 28.939614][ T396] br_device_event+0x52d/0x8f0 [ 28.939617][ T396] ? packet_sendmsg_spkt+0x1360/0x1360 [ 28.939619][ T396] ? nlmsg_notify+0x62/0x250 [ 28.939626][ T396] notifier_call_chain+0xae/0x300 [ 28.939632][ T396] netif_state_change+0x139/0x3d0 [ 28.939637][ T396] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 28.939641][ T396] ? linkwatch_do_dev+0xae/0xd0 [ 28.939643][ T396] __linkwatch_run_queue+0x350/0x850 [ 28.939646][ T396] ? linkwatch_do_dev+0xd0/0xd0 [ 28.939649][ T396] ? lock_acquire.part.0+0xd4/0x280 [ 28.939653][ T396] linkwatch_event+0x7f/0xb0 [ 28.939655][ T396] ? __linkwatch_run_queue+0x850/0x850 [ 28.939658][ T396] process_one_work+0xe3e/0x1560 [ 28.939665][ T396] ? __queue_delayed_work+0x470/0x470 [ 28.939668][ T396] ? lock_acquire.part.0+0xd4/0x280 [ 28.939676][ T396] worker_thread+0x4f1/0xd60 [ 28.939680][ T396] ? rescuer_thread+0x1340/0x1340 [ 28.939682][ T396] ? __kthread_parkme+0xbd/0x210 [ 28.939685][ T396] ? rescuer_thread+0x1340/0x1340 [ 28.939687][ T396] ? rescuer_thread+0x1340/0x1340 [ 28.939689][ T396] kthread+0x367/0x460 [ 28.939691][ T396] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.939695][ T396] ? kthread_affine_preferred+0x4c0/0x4c0 [ 28.939697][ T396] ret_from_fork+0x474/0x6b0 [ 28.939702][ T396] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 28.939705][ T396] ? __switch_to+0x5a3/0xe00 [ 28.939708][ T396] ? kthread_affine_preferred+0x4c0/0x4c0 [ 28.939711][ T396] ret_from_fork_asm+0x11/0x20 [ 28.939720][ T396] [ 28.974036][ T396] br: port 1(d1) entered forwarding state [ 29.029186][ T2219] br: port 2(d2) entered disabled state [ 29.549765][ T860] br: port 2(d2) entered blocking state [ 29.550057][ T860] br: port 2(d2) entered forwarding state [ 29.626815][ T2278] br: port 1(d1) entered disabled state [ 29.710999][ T2286] br: port 2(d2) entered disabled state [ 30.223683][ T2337] br: port 2(d2) entered blocking state [ 30.223702][ T2337] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.223704][ T2337] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2337, name: ip [ 30.223706][ T2337] preempt_count: 202, expected: 0 [ 30.223707][ T2337] RCU nest depth: 0, expected: 0 [ 30.223708][ T2337] locks held by ip/2337: 6, last CPU#0: [ 30.223709][ T2337] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 30.223722][ T2337] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 30.223727][ T2337] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.223733][ T2337] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.223736][ T2337] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.223740][ T2337] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 30.223745][ T2337] irq event stamp: 11671 [ 30.223745][ T2337] hardirqs last enabled at (11670): [] __down_trylock_console_sem+0x86/0xa0 [ 30.223749][ T2337] hardirqs last disabled at (11671): [] console_emit_next_record+0x3d4/0x4c0 [ 30.223751][ T2337] softirqs last enabled at (11632): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 30.223754][ T2337] softirqs last disabled at (11666): [] br_device_event+0x5fd/0x8f0 [ 30.223756][ T2337] Preemption disabled at: [ 30.223757][ T2337] [<0000000000000000>] 0x0 [ 30.223763][ T2337] CPU: 0 UID: 0 PID: 2337 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.223767][ T2337] Tainted: [W]=WARN [ 30.223768][ T2337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.223769][ T2337] Call Trace: [ 30.223771][ T2337] [ 30.223772][ T2337] dump_stack_lvl+0x6f/0xa0 [ 30.223779][ T2337] __might_resched.cold+0x1fe/0x2c1 [ 30.223783][ T2337] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.223787][ T2337] ? __kmalloc_noprof+0xdb/0x760 [ 30.223792][ T2337] __kmalloc_noprof+0x443/0x760 [ 30.223794][ T2337] ? alloc_buf.isra.0+0x4b/0x260 [ 30.223800][ T2337] ? do_raw_spin_unlock+0x59/0x250 [ 30.223802][ T2337] alloc_buf.isra.0+0x4b/0x260 [ 30.223806][ T2337] put_chars+0x1e1/0x2f0 [ 30.223808][ T2337] ? __send_to_port+0x420/0x420 [ 30.223810][ T2337] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.223813][ T2337] ? validate_chain+0x38b/0xc20 [ 30.223818][ T2337] hvc_console_print+0x292/0x780 [ 30.223826][ T2337] ? hvc_write+0x3a0/0x3a0 [ 30.223829][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.223831][ T2337] ? lock_acquire+0x13c/0x160 [ 30.223835][ T2337] console_emit_next_record+0x22f/0x4c0 [ 30.223839][ T2337] ? devkmsg_read+0x4b0/0x4b0 [ 30.223841][ T2337] ? console_flush_one_record+0x106/0x710 [ 30.223844][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.223845][ T2337] ? lock_acquire+0x13c/0x160 [ 30.223849][ T2337] console_flush_one_record+0x46f/0x710 [ 30.223854][ T2337] ? console_emit_next_record+0x4c0/0x4c0 [ 30.223855][ T2337] ? __lock_acquire+0x518/0xc20 [ 30.223861][ T2337] console_unlock+0xee/0x1f0 [ 30.223863][ T2337] ? console_flush_one_record+0x710/0x710 [ 30.223865][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.223867][ T2337] ? lock_acquire+0xe0/0x160 [ 30.223871][ T2337] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.223872][ T2337] ? vprintk_emit+0x320/0x3e0 [ 30.223875][ T2337] vprintk_emit+0x37c/0x3e0 [ 30.223878][ T2337] ? wake_up_klogd_work_func+0x90/0x90 [ 30.223880][ T2337] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.223883][ T2337] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.223887][ T2337] _printk+0xc7/0x100 [ 30.223891][ T2337] ? snapshot_read.cold+0x21/0x21 [ 30.223896][ T2337] ? lock_acquire.part.0+0xd4/0x280 [ 30.223899][ T2337] br_set_state+0x22f/0x430 [ 30.223904][ T2337] br_init_port+0xc4/0x200 [ 30.223907][ T2337] br_stp_enable_port+0x12/0x50 [ 30.223909][ T2337] br_device_event+0x605/0x8f0 [ 30.223911][ T2337] ? packet_sendmsg_spkt+0x1360/0x1360 [ 30.223913][ T2337] ? nlmsg_notify+0x62/0x250 [ 30.223919][ T2337] notifier_call_chain+0xae/0x300 [ 30.223925][ T2337] __dev_notify_flags+0x1b7/0x450 [ 30.223930][ T2337] ? netif_change_name+0x8c0/0x8c0 [ 30.223934][ T2337] ? netif_set_allmulti+0x2c0/0x2c0 [ 30.223936][ T2337] ? kernel_text_address+0x149/0x170 [ 30.223939][ T2337] ? __kernel_text_address+0x12/0x30 [ 30.223941][ T2337] ? write_profile+0xf0/0xf0 [ 30.223946][ T2337] netif_change_flags+0xfe/0x190 [ 30.223950][ T2337] do_setlink.isra.0+0x1d25/0x2a60 [ 30.223953][ T2337] ? stack_trace_save+0x93/0xc0 [ 30.223955][ T2337] ? rtnl_link_get_size+0x350/0x350 [ 30.223956][ T2337] ? rcu_read_lock_any_held+0x66/0x90 [ 30.223958][ T2337] ? stack_depot_save_flags+0x38e/0x790 [ 30.223961][ T2337] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.223963][ T2337] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.223965][ T2337] ? validate_chain+0x38b/0xc20 [ 30.223968][ T2337] ? kasan_save_stack+0x3d/0x50 [ 30.223970][ T2337] ? kasan_save_stack+0x2f/0x50 [ 30.223971][ T2337] ? kasan_save_track+0x14/0x30 [ 30.223972][ T2337] ? __kasan_kmalloc+0x7b/0x90 [ 30.223975][ T2337] ? __lock_acquire+0x518/0xc20 [ 30.223976][ T2337] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 30.223979][ T2337] ? ___sys_sendmsg+0xd0/0x1d0 [ 30.223983][ T2337] ? lock_acquire.part.0+0xd4/0x280 [ 30.223985][ T2337] ? rtnl_newlink+0x9a8/0x11b0 [ 30.223987][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.223989][ T2337] ? lock_acquire+0x13c/0x160 [ 30.223991][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.223992][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.223993][ T2337] ? trace_contention_end+0xb3/0x180 [ 30.223996][ T2337] ? __mutex_lock+0x1db/0x1ea0 [ 30.223998][ T2337] ? __mutex_lock+0x9a3/0x1ea0 [ 30.224000][ T2337] ? rtnl_newlink+0x9a8/0x11b0 [ 30.224004][ T2337] ? ww_mutex_lock+0x160/0x160 [ 30.224007][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.224009][ T2337] ? __rtnl_newlink+0x3fa/0xa50 [ 30.224014][ T2337] rtnl_newlink+0x9f1/0x11b0 [ 30.224020][ T2337] ? rtnl_bridge_getlink+0x850/0x850 [ 30.224021][ T2337] ? __lock_acquire+0x518/0xc20 [ 30.224026][ T2337] ? lock_acquire.part.0+0xd4/0x280 [ 30.224028][ T2337] ? find_held_lock+0x2b/0x80 [ 30.224030][ T2337] ? rtnl_bridge_getlink+0x850/0x850 [ 30.224032][ T2337] ? __lock_release.isra.0+0x69/0x1a0 [ 30.224035][ T2337] ? rtnl_bridge_getlink+0x850/0x850 [ 30.224037][ T2337] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.224041][ T2337] ? rtnl_link_fill+0x920/0x920 [ 30.224042][ T2337] ? __lock_acquire+0x518/0xc20 [ 30.224046][ T2337] ? lock_acquire.part.0+0xd4/0x280 [ 30.224048][ T2337] ? find_held_lock+0x2b/0x80 [ 30.224052][ T2337] netlink_rcv_skb+0x14e/0x3a0 [ 30.224054][ T2337] ? rtnl_link_fill+0x920/0x920 [ 30.224056][ T2337] ? netlink_ack+0xcf0/0xcf0 [ 30.224063][ T2337] ? netlink_deliver_tap+0xc5/0x330 [ 30.224065][ T2337] ? netlink_deliver_tap+0x13c/0x330 [ 30.224069][ T2337] netlink_unicast+0x486/0x750 [ 30.224073][ T2337] ? netlink_attachskb+0x810/0x810 [ 30.224076][ T2337] ? find_held_lock+0x2b/0x80 [ 30.224080][ T2337] netlink_sendmsg+0x75b/0xc90 [ 30.224084][ T2337] ? netlink_unicast+0x750/0x750 [ 30.224088][ T2337] ? __lock_release.isra.0+0x69/0x1a0 [ 30.224089][ T2337] ? __import_iovec+0x36c/0x620 [ 30.224095][ T2337] __sock_sendmsg+0xce/0x190 [ 30.224097][ T2337] ____sys_sendmsg+0x61a/0x860 [ 30.224100][ T2337] ? copy_msghdr_from_user+0x279/0x420 [ 30.224102][ T2337] ? sock_write_iter+0x400/0x400 [ 30.224104][ T2337] ? move_addr_to_kernel+0x40/0x40 [ 30.224111][ T2337] ___sys_sendmsg+0x14e/0x1d0 [ 30.224114][ T2337] ? copy_msghdr_from_user+0x420/0x420 [ 30.224130][ T2337] __sys_sendmsg+0x12c/0x1d0 [ 30.224132][ T2337] ? __sys_sendmsg_sock+0x20/0x20 [ 30.224139][ T2337] ? rcu_is_watching+0x16/0xd0 [ 30.224142][ T2337] do_syscall_64+0xff/0x530 [ 30.224145][ T2337] ? exc_page_fault+0xee/0x100 [ 30.224147][ T2337] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.224149][ T2337] RIP: 0033:0x7fbfd77f154e [ 30.224151][ T2337] 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 [ 30.224153][ T2337] RSP: 002b:00007ffd7bbfc1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.224156][ T2337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbfd77f154e [ 30.224157][ T2337] RDX: 0000000000000000 RSI: 00007ffd7bbfc260 RDI: 0000000000000005 [ 30.224158][ T2337] RBP: 00007ffd7bbfc1c0 R08: 0000000000000000 R09: 0000000000000000 [ 30.224158][ T2337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3eb [ 30.224159][ T2337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7bbfc920 [ 30.224166][ T2337] [ 30.262598][ T2337] br: port 2(d2) entered forwarding state [ 30.302052][ T2339] br: port 1(d1) entered blocking state [ 30.302310][ T2339] br: port 1(d1) entered forwarding state [ 30.374251][ T2347] br: port 1(d1) entered disabled state [ 30.444753][ T2355] br: port 2(d2) entered disabled state [ 30.530107][ T2363] br: port 3(d3) entered disabled state [ 31.054355][ T2414] br: port 3(d3) entered blocking state [ 31.054627][ T2414] br: port 3(d3) entered forwarding state [ 31.094639][ T396] br: port 2(d2) entered blocking state [ 31.094861][ T396] br: port 2(d2) entered forwarding state [ 31.121698][ T860] br: port 1(d1) entered blocking state [ 31.121958][ T860] br: port 1(d1) entered forwarding state [ 31.738213][ T2471] br: port 1(d1) entered disabled state [ 31.738231][ T2471] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.738233][ T2471] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2471, name: ip [ 31.738234][ T2471] preempt_count: 202, expected: 0 [ 31.738235][ T2471] RCU nest depth: 0, expected: 0 [ 31.738236][ T2471] locks held by ip/2471: 6, last CPU#3: [ 31.738238][ T2471] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 31.738253][ T2471] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 31.738258][ T2471] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.738264][ T2471] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.738268][ T2471] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.738272][ T2471] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 31.738276][ T2471] irq event stamp: 13225 [ 31.738277][ T2471] hardirqs last enabled at (13224): [] __down_trylock_console_sem+0x86/0xa0 [ 31.738280][ T2471] hardirqs last disabled at (13225): [] console_emit_next_record+0x3d4/0x4c0 [ 31.738282][ T2471] softirqs last enabled at (13208): [] ipv6_mc_down+0x134/0x2d0 [ 31.738285][ T2471] softirqs last disabled at (13220): [] br_device_event+0x1d7/0x8f0 [ 31.738287][ T2471] Preemption disabled at: [ 31.738288][ T2471] [<0000000000000000>] 0x0 [ 31.738294][ T2471] CPU: 3 UID: 0 PID: 2471 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.738298][ T2471] Tainted: [W]=WARN [ 31.738299][ T2471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.738301][ T2471] Call Trace: [ 31.738302][ T2471] [ 31.738304][ T2471] dump_stack_lvl+0x6f/0xa0 [ 31.738310][ T2471] __might_resched.cold+0x1fe/0x2c1 [ 31.738315][ T2471] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.738319][ T2471] ? __kmalloc_noprof+0xdb/0x760 [ 31.738323][ T2471] __kmalloc_noprof+0x443/0x760 [ 31.738325][ T2471] ? alloc_buf.isra.0+0x4b/0x260 [ 31.738332][ T2471] ? do_raw_spin_unlock+0x59/0x250 [ 31.738334][ T2471] alloc_buf.isra.0+0x4b/0x260 [ 31.738338][ T2471] put_chars+0x1e1/0x2f0 [ 31.738340][ T2471] ? __send_to_port+0x420/0x420 [ 31.738347][ T2471] hvc_console_print+0x292/0x780 [ 31.738355][ T2471] ? hvc_write+0x3a0/0x3a0 [ 31.738358][ T2471] ? lock_acquire+0x13c/0x160 [ 31.738362][ T2471] console_emit_next_record+0x22f/0x4c0 [ 31.738366][ T2471] ? devkmsg_read+0x4b0/0x4b0 [ 31.738368][ T2471] ? console_flush_one_record+0x106/0x710 [ 31.738371][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738374][ T2471] ? lock_acquire+0x13c/0x160 [ 31.738378][ T2471] console_flush_one_record+0x46f/0x710 [ 31.738382][ T2471] ? console_emit_next_record+0x4c0/0x4c0 [ 31.738384][ T2471] ? __lock_acquire+0x518/0xc20 [ 31.738389][ T2471] console_unlock+0xee/0x1f0 [ 31.738392][ T2471] ? console_flush_one_record+0x710/0x710 [ 31.738394][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738396][ T2471] ? lock_acquire+0xe0/0x160 [ 31.738399][ T2471] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.738401][ T2471] ? vprintk_emit+0x320/0x3e0 [ 31.738404][ T2471] vprintk_emit+0x37c/0x3e0 [ 31.738407][ T2471] ? wake_up_klogd_work_func+0x90/0x90 [ 31.738408][ T2471] ? mark_held_locks+0x40/0x70 [ 31.738411][ T2471] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.738413][ T2471] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.738417][ T2471] _printk+0xc7/0x100 [ 31.738421][ T2471] ? snapshot_read.cold+0x21/0x21 [ 31.738428][ T2471] br_set_state+0x22f/0x430 [ 31.738433][ T2471] br_stp_disable_port+0x11f/0x390 [ 31.738436][ T2471] br_device_event+0x7b5/0x8f0 [ 31.738438][ T2471] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 31.738442][ T2471] ? packet_sendmsg_spkt+0x1360/0x1360 [ 31.738448][ T2471] notifier_call_chain+0xae/0x300 [ 31.738454][ T2471] __dev_notify_flags+0x23c/0x450 [ 31.738459][ T2471] ? netif_change_name+0x8c0/0x8c0 [ 31.738463][ T2471] ? netif_set_allmulti+0x2c0/0x2c0 [ 31.738466][ T2471] ? __kernel_text_address+0x12/0x30 [ 31.738468][ T2471] ? write_profile+0xf0/0xf0 [ 31.738473][ T2471] netif_change_flags+0xfe/0x190 [ 31.738477][ T2471] do_setlink.isra.0+0x1d25/0x2a60 [ 31.738480][ T2471] ? stack_trace_save+0x93/0xc0 [ 31.738482][ T2471] ? rtnl_link_get_size+0x350/0x350 [ 31.738484][ T2471] ? rcu_read_lock_any_held+0x66/0x90 [ 31.738485][ T2471] ? stack_depot_save_flags+0x38e/0x790 [ 31.738489][ T2471] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.738491][ T2471] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.738493][ T2471] ? validate_chain+0x38b/0xc20 [ 31.738495][ T2471] ? kasan_save_stack+0x3d/0x50 [ 31.738497][ T2471] ? kasan_save_stack+0x2f/0x50 [ 31.738502][ T2471] ? kasan_save_track+0x14/0x30 [ 31.738504][ T2471] ? __kasan_kmalloc+0x7b/0x90 [ 31.738506][ T2471] ? __lock_acquire+0x518/0xc20 [ 31.738508][ T2471] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 31.738511][ T2471] ? ___sys_sendmsg+0xd0/0x1d0 [ 31.738514][ T2471] ? lock_acquire.part.0+0xd4/0x280 [ 31.738516][ T2471] ? rtnl_newlink+0x9a8/0x11b0 [ 31.738519][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738521][ T2471] ? lock_acquire+0x13c/0x160 [ 31.738522][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738523][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738525][ T2471] ? trace_contention_end+0xb3/0x180 [ 31.738527][ T2471] ? __mutex_lock+0x1db/0x1ea0 [ 31.738529][ T2471] ? __mutex_lock+0x9a3/0x1ea0 [ 31.738530][ T2471] ? rtnl_newlink+0x9a8/0x11b0 [ 31.738534][ T2471] ? ww_mutex_lock+0x160/0x160 [ 31.738537][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738539][ T2471] ? __rtnl_newlink+0x3fa/0xa50 [ 31.738545][ T2471] rtnl_newlink+0x9f1/0x11b0 [ 31.738550][ T2471] ? rtnl_bridge_getlink+0x850/0x850 [ 31.738552][ T2471] ? __lock_acquire+0x518/0xc20 [ 31.738556][ T2471] ? lock_acquire.part.0+0xd4/0x280 [ 31.738558][ T2471] ? find_held_lock+0x2b/0x80 [ 31.738560][ T2471] ? rtnl_bridge_getlink+0x850/0x850 [ 31.738562][ T2471] ? __lock_release.isra.0+0x69/0x1a0 [ 31.738566][ T2471] ? rtnl_bridge_getlink+0x850/0x850 [ 31.738568][ T2471] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 31.738571][ T2471] ? rtnl_link_fill+0x920/0x920 [ 31.738572][ T2471] ? __lock_acquire+0x518/0xc20 [ 31.738577][ T2471] ? lock_acquire.part.0+0xd4/0x280 [ 31.738578][ T2471] ? find_held_lock+0x2b/0x80 [ 31.738582][ T2471] netlink_rcv_skb+0x14e/0x3a0 [ 31.738585][ T2471] ? rtnl_link_fill+0x920/0x920 [ 31.738588][ T2471] ? netlink_ack+0xcf0/0xcf0 [ 31.738594][ T2471] ? netlink_deliver_tap+0xc5/0x330 [ 31.738596][ T2471] ? netlink_deliver_tap+0x13c/0x330 [ 31.738601][ T2471] netlink_unicast+0x486/0x750 [ 31.738605][ T2471] ? netlink_attachskb+0x810/0x810 [ 31.738607][ T2471] ? find_held_lock+0x2b/0x80 [ 31.738611][ T2471] netlink_sendmsg+0x75b/0xc90 [ 31.738615][ T2471] ? netlink_unicast+0x750/0x750 [ 31.738619][ T2471] ? __lock_release.isra.0+0x69/0x1a0 [ 31.738621][ T2471] ? __import_iovec+0x36c/0x620 [ 31.738626][ T2471] __sock_sendmsg+0xce/0x190 [ 31.738629][ T2471] ____sys_sendmsg+0x61a/0x860 [ 31.738631][ T2471] ? copy_msghdr_from_user+0x279/0x420 [ 31.738633][ T2471] ? sock_write_iter+0x400/0x400 [ 31.738635][ T2471] ? move_addr_to_kernel+0x40/0x40 [ 31.738642][ T2471] ___sys_sendmsg+0x14e/0x1d0 [ 31.738645][ T2471] ? copy_msghdr_from_user+0x420/0x420 [ 31.738661][ T2471] __sys_sendmsg+0x12c/0x1d0 [ 31.738664][ T2471] ? __sys_sendmsg_sock+0x20/0x20 [ 31.738670][ T2471] ? rcu_is_watching+0x16/0xd0 [ 31.738673][ T2471] do_syscall_64+0xff/0x530 [ 31.738676][ T2471] ? exc_page_fault+0xee/0x100 [ 31.738679][ T2471] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.738681][ T2471] RIP: 0033:0x7f9519ad354e [ 31.738683][ T2471] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 31.738685][ T2471] RSP: 002b:00007ffdf546d1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.738687][ T2471] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9519ad354e [ 31.738689][ T2471] RDX: 0000000000000000 RSI: 00007ffdf546d290 RDI: 0000000000000005 [ 31.738690][ T2471] RBP: 00007ffdf546d1f0 R08: 0000000000000000 R09: 0000000000000000 [ 31.738690][ T2471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3ed [ 31.738691][ T2471] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf546d950 [ 31.738698][ T2471] [ 32.314967][ T2522] br: port 1(d1) entered blocking state [ 32.315239][ T2522] br: port 1(d1) entered forwarding state [ 32.381223][ T2530] br: port 2(d2) entered disabled state [ 32.915640][ T38] br: port 2(d2) entered blocking state [ 32.915659][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.915661][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 32.915663][ T38] preempt_count: 202, expected: 0 [ 32.915664][ T38] RCU nest depth: 0, expected: 0 [ 32.915665][ T38] locks held by kworker/u19:0/38: 8, last CPU#1: [ 32.915667][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 32.915680][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 32.915684][ T38] #2: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 32.915689][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 32.915695][ T38] #4: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.915699][ T38] #5: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.915703][ T38] #6: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.915707][ T38] #7: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.915710][ T38] irq event stamp: 198943 [ 32.915711][ T38] hardirqs last enabled at (198942): [] __down_trylock_console_sem+0x86/0xa0 [ 32.915714][ T38] hardirqs last disabled at (198943): [] console_emit_next_record+0x3d4/0x4c0 [ 32.915716][ T38] softirqs last enabled at (198904): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 32.915719][ T38] softirqs last disabled at (198938): [] br_port_carrier_check+0x161/0x430 [ 32.915722][ T38] Preemption disabled at: [ 32.915722][ T38] [<0000000000000000>] 0x0 [ 32.915729][ T38] CPU: 1 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.915732][ T38] Tainted: [W]=WARN [ 32.915733][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.915735][ T38] Workqueue: events_unbound linkwatch_event [ 32.915738][ T38] Call Trace: [ 32.915739][ T38] [ 32.915741][ T38] dump_stack_lvl+0x6f/0xa0 [ 32.915748][ T38] __might_resched.cold+0x1fe/0x2c1 [ 32.915752][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.915756][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 32.915761][ T38] __kmalloc_noprof+0x443/0x760 [ 32.915763][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 32.915769][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 32.915772][ T38] alloc_buf.isra.0+0x4b/0x260 [ 32.915776][ T38] put_chars+0x1e1/0x2f0 [ 32.915778][ T38] ? __send_to_port+0x420/0x420 [ 32.915781][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.915784][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.915787][ T38] ? validate_chain+0x38b/0xc20 [ 32.915791][ T38] hvc_console_print+0x292/0x780 [ 32.915795][ T38] ? mark_usage+0x61/0x170 [ 32.915797][ T38] ? __lock_acquire+0x518/0xc20 [ 32.915799][ T38] ? __lock_acquire+0x518/0xc20 [ 32.915803][ T38] ? hvc_write+0x3a0/0x3a0 [ 32.915805][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 32.915809][ T38] ? lock_acquire+0x13c/0x160 [ 32.915814][ T38] console_emit_next_record+0x22f/0x4c0 [ 32.915818][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 32.915819][ T38] ? console_flush_one_record+0x106/0x710 [ 32.915823][ T38] ? rcu_is_watching+0x16/0xd0 [ 32.915825][ T38] ? lock_acquire+0x13c/0x160 [ 32.915829][ T38] console_flush_one_record+0x46f/0x710 [ 32.915833][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 32.915835][ T38] ? __lock_acquire+0x518/0xc20 [ 32.915840][ T38] console_unlock+0xee/0x1f0 [ 32.915843][ T38] ? console_flush_one_record+0x710/0x710 [ 32.915845][ T38] ? rcu_is_watching+0x16/0xd0 [ 32.915847][ T38] ? lock_acquire+0xe0/0x160 [ 32.915850][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.915852][ T38] ? vprintk_emit+0x320/0x3e0 [ 32.915855][ T38] vprintk_emit+0x37c/0x3e0 [ 32.915858][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 32.915860][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.915862][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.915866][ T38] _printk+0xc7/0x100 [ 32.915869][ T38] ? snapshot_read.cold+0x21/0x21 [ 32.915875][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 32.915878][ T38] br_set_state+0x22f/0x430 [ 32.915883][ T38] br_init_port+0xc4/0x200 [ 32.915885][ T38] br_stp_enable_port+0x12/0x50 [ 32.915887][ T38] br_port_carrier_check+0x220/0x430 [ 32.915891][ T38] br_device_event+0x52d/0x8f0 [ 32.915894][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.915896][ T38] ? nlmsg_notify+0x62/0x250 [ 32.915903][ T38] notifier_call_chain+0xae/0x300 [ 32.915909][ T38] netif_state_change+0x139/0x3d0 [ 32.915914][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 32.915918][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 32.915920][ T38] __linkwatch_run_queue+0x350/0x850 [ 32.915924][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 32.915926][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 32.915930][ T38] linkwatch_event+0x7f/0xb0 [ 32.915933][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 32.915936][ T38] process_one_work+0xe3e/0x1560 [ 32.915943][ T38] ? __queue_delayed_work+0x470/0x470 [ 32.915946][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 32.915953][ T38] worker_thread+0x4f1/0xd60 [ 32.915960][ T38] ? rescuer_thread+0x1340/0x1340 [ 32.915963][ T38] kthread+0x367/0x460 [ 32.915965][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.915968][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 32.915971][ T38] ret_from_fork+0x474/0x6b0 [ 32.915975][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 32.915978][ T38] ? __switch_to+0x5a3/0xe00 [ 32.915982][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 32.915985][ T38] ret_from_fork_asm+0x11/0x20 [ 32.915993][ T38] [ 32.936955][ T38] br: port 2(d2) entered forwarding state [ 33.022723][ T2589] br: port 1(d1) entered disabled state [ 33.103421][ T2597] br: port 2(d2) entered disabled state [ 33.653809][ T46] br: port 2(d2) entered blocking state [ 33.654055][ T46] br: port 2(d2) entered forwarding state [ 33.686067][ T36] br: port 1(d1) entered blocking state [ 33.686304][ T36] br: port 1(d1) entered forwarding state [ 33.762588][ T2658] br: port 1(d1) entered disabled state [ 33.849685][ T2666] br: port 2(d2) entered disabled state [ 33.927535][ T2674] br: port 3(d3) entered disabled state [ 33.927545][ T2674] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.927547][ T2674] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2674, name: ip [ 33.927548][ T2674] preempt_count: 202, expected: 0 [ 33.927549][ T2674] RCU nest depth: 0, expected: 0 [ 33.927550][ T2674] locks held by ip/2674: 6, last CPU#3: [ 33.927552][ T2674] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 33.927564][ T2674] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 33.927569][ T2674] #2: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 33.927574][ T2674] #3: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 33.927579][ T2674] #4: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 33.927583][ T2674] #5: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 33.927587][ T2674] irq event stamp: 25357 [ 33.927587][ T2674] hardirqs last enabled at (25356): [] __down_trylock_console_sem+0x86/0xa0 [ 33.927591][ T2674] hardirqs last disabled at (25357): [] console_emit_next_record+0x3d4/0x4c0 [ 33.927595][ T2674] softirqs last enabled at (25340): [] ipv6_mc_down+0x134/0x2d0 [ 33.927598][ T2674] softirqs last disabled at (25352): [] br_device_event+0x1d7/0x8f0 [ 33.927600][ T2674] Preemption disabled at: [ 33.927601][ T2674] [<0000000000000000>] 0x0 [ 33.927608][ T2674] CPU: 3 UID: 0 PID: 2674 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.927612][ T2674] Tainted: [W]=WARN [ 33.927613][ T2674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.927614][ T2674] Call Trace: [ 33.927616][ T2674] [ 33.927617][ T2674] dump_stack_lvl+0x6f/0xa0 [ 33.927623][ T2674] __might_resched.cold+0x1fe/0x2c1 [ 33.927628][ T2674] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.927632][ T2674] ? __kmalloc_noprof+0xdb/0x760 [ 33.927636][ T2674] __kmalloc_noprof+0x443/0x760 [ 33.927638][ T2674] ? alloc_buf.isra.0+0x4b/0x260 [ 33.927645][ T2674] ? do_raw_spin_unlock+0x59/0x250 [ 33.927648][ T2674] alloc_buf.isra.0+0x4b/0x260 [ 33.927651][ T2674] put_chars+0x1e1/0x2f0 [ 33.927653][ T2674] ? __send_to_port+0x420/0x420 [ 33.927660][ T2674] hvc_console_print+0x292/0x780 [ 33.927667][ T2674] ? hvc_write+0x3a0/0x3a0 [ 33.927670][ T2674] ? lock_acquire+0x13c/0x160 [ 33.927675][ T2674] console_emit_next_record+0x22f/0x4c0 [ 33.927679][ T2674] ? devkmsg_read+0x4b0/0x4b0 [ 33.927680][ T2674] ? console_flush_one_record+0x106/0x710 [ 33.927684][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927686][ T2674] ? lock_acquire+0x13c/0x160 [ 33.927690][ T2674] console_flush_one_record+0x46f/0x710 [ 33.927695][ T2674] ? console_emit_next_record+0x4c0/0x4c0 [ 33.927696][ T2674] ? __lock_acquire+0x518/0xc20 [ 33.927702][ T2674] console_unlock+0xee/0x1f0 [ 33.927704][ T2674] ? console_flush_one_record+0x710/0x710 [ 33.927706][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927708][ T2674] ? lock_acquire+0xe0/0x160 [ 33.927712][ T2674] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.927713][ T2674] ? vprintk_emit+0x320/0x3e0 [ 33.927716][ T2674] vprintk_emit+0x37c/0x3e0 [ 33.927719][ T2674] ? wake_up_klogd_work_func+0x90/0x90 [ 33.927720][ T2674] ? mark_held_locks+0x40/0x70 [ 33.927723][ T2674] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.927725][ T2674] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.927729][ T2674] _printk+0xc7/0x100 [ 33.927733][ T2674] ? snapshot_read.cold+0x21/0x21 [ 33.927740][ T2674] br_set_state+0x22f/0x430 [ 33.927745][ T2674] br_stp_disable_port+0x11f/0x390 [ 33.927748][ T2674] br_device_event+0x7b5/0x8f0 [ 33.927750][ T2674] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 33.927754][ T2674] ? packet_sendmsg_spkt+0x1360/0x1360 [ 33.927759][ T2674] notifier_call_chain+0xae/0x300 [ 33.927765][ T2674] __dev_notify_flags+0x23c/0x450 [ 33.927770][ T2674] ? netif_change_name+0x8c0/0x8c0 [ 33.927774][ T2674] ? netif_set_allmulti+0x2c0/0x2c0 [ 33.927777][ T2674] ? __kernel_text_address+0x12/0x30 [ 33.927780][ T2674] ? write_profile+0xf0/0xf0 [ 33.927784][ T2674] netif_change_flags+0xfe/0x190 [ 33.927788][ T2674] do_setlink.isra.0+0x1d25/0x2a60 [ 33.927791][ T2674] ? stack_trace_save+0x93/0xc0 [ 33.927794][ T2674] ? rtnl_link_get_size+0x350/0x350 [ 33.927795][ T2674] ? rcu_read_lock_any_held+0x66/0x90 [ 33.927797][ T2674] ? stack_depot_save_flags+0x38e/0x790 [ 33.927800][ T2674] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 33.927802][ T2674] ? rcu_read_lock_any_held+0x3c/0x90 [ 33.927804][ T2674] ? validate_chain+0x38b/0xc20 [ 33.927806][ T2674] ? kasan_save_stack+0x3d/0x50 [ 33.927809][ T2674] ? kasan_save_stack+0x2f/0x50 [ 33.927810][ T2674] ? kasan_save_track+0x14/0x30 [ 33.927811][ T2674] ? __kasan_kmalloc+0x7b/0x90 [ 33.927813][ T2674] ? __lock_acquire+0x518/0xc20 [ 33.927815][ T2674] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 33.927818][ T2674] ? ___sys_sendmsg+0xd0/0x1d0 [ 33.927822][ T2674] ? lock_acquire.part.0+0xd4/0x280 [ 33.927824][ T2674] ? rtnl_newlink+0x9a8/0x11b0 [ 33.927826][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927828][ T2674] ? lock_acquire+0x13c/0x160 [ 33.927830][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927831][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927832][ T2674] ? trace_contention_end+0xb3/0x180 [ 33.927835][ T2674] ? __mutex_lock+0x1db/0x1ea0 [ 33.927836][ T2674] ? __mutex_lock+0x9a3/0x1ea0 [ 33.927838][ T2674] ? rtnl_newlink+0x9a8/0x11b0 [ 33.927841][ T2674] ? ww_mutex_lock+0x160/0x160 [ 33.927845][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927847][ T2674] ? __rtnl_newlink+0x3fa/0xa50 [ 33.927852][ T2674] rtnl_newlink+0x9f1/0x11b0 [ 33.927858][ T2674] ? rtnl_bridge_getlink+0x850/0x850 [ 33.927860][ T2674] ? __lock_acquire+0x518/0xc20 [ 33.927864][ T2674] ? lock_acquire.part.0+0xd4/0x280 [ 33.927866][ T2674] ? find_held_lock+0x2b/0x80 [ 33.927868][ T2674] ? rtnl_bridge_getlink+0x850/0x850 [ 33.927870][ T2674] ? __lock_release.isra.0+0x69/0x1a0 [ 33.927874][ T2674] ? rtnl_bridge_getlink+0x850/0x850 [ 33.927876][ T2674] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 33.927879][ T2674] ? rtnl_link_fill+0x920/0x920 [ 33.927880][ T2674] ? __lock_acquire+0x518/0xc20 [ 33.927885][ T2674] ? lock_acquire.part.0+0xd4/0x280 [ 33.927886][ T2674] ? find_held_lock+0x2b/0x80 [ 33.927890][ T2674] netlink_rcv_skb+0x14e/0x3a0 [ 33.927893][ T2674] ? rtnl_link_fill+0x920/0x920 [ 33.927896][ T2674] ? netlink_ack+0xcf0/0xcf0 [ 33.927902][ T2674] ? netlink_deliver_tap+0xc5/0x330 [ 33.927904][ T2674] ? netlink_deliver_tap+0x13c/0x330 [ 33.927909][ T2674] netlink_unicast+0x486/0x750 [ 33.927912][ T2674] ? netlink_attachskb+0x810/0x810 [ 33.927915][ T2674] ? find_held_lock+0x2b/0x80 [ 33.927919][ T2674] netlink_sendmsg+0x75b/0xc90 [ 33.927923][ T2674] ? netlink_unicast+0x750/0x750 [ 33.927927][ T2674] ? __lock_release.isra.0+0x69/0x1a0 [ 33.927929][ T2674] ? __import_iovec+0x36c/0x620 [ 33.927934][ T2674] __sock_sendmsg+0xce/0x190 [ 33.927936][ T2674] ____sys_sendmsg+0x61a/0x860 [ 33.927939][ T2674] ? copy_msghdr_from_user+0x279/0x420 [ 33.927941][ T2674] ? sock_write_iter+0x400/0x400 [ 33.927942][ T2674] ? move_addr_to_kernel+0x40/0x40 [ 33.927950][ T2674] ___sys_sendmsg+0x14e/0x1d0 [ 33.927952][ T2674] ? copy_msghdr_from_user+0x420/0x420 [ 33.927968][ T2674] __sys_sendmsg+0x12c/0x1d0 [ 33.927971][ T2674] ? __sys_sendmsg_sock+0x20/0x20 [ 33.927977][ T2674] ? rcu_is_watching+0x16/0xd0 [ 33.927980][ T2674] do_syscall_64+0xff/0x530 [ 33.927983][ T2674] ? exc_page_fault+0xee/0x100 [ 33.927986][ T2674] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.927988][ T2674] RIP: 0033:0x7f78895a754e [ 33.927990][ T2674] 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 [ 33.927992][ T2674] RSP: 002b:00007ffe304df7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.927995][ T2674] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f78895a754e [ 33.927996][ T2674] RDX: 0000000000000000 RSI: 00007ffe304df880 RDI: 0000000000000005 [ 33.927997][ T2674] RBP: 00007ffe304df7e0 R08: 0000000000000000 R09: 0000000000000000 [ 33.927998][ T2674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3ef [ 33.927998][ T2674] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe304dff40 [ 33.928005][ T2674] [ 34.500631][ T36] br: port 3(d3) entered blocking state [ 34.500882][ T36] br: port 3(d3) entered forwarding state [ 34.533888][ T860] br: port 2(d2) entered blocking state [ 34.534145][ T860] br: port 2(d2) entered forwarding state [ 34.559610][ T396] br: port 1(d1) entered blocking state [ 34.559829][ T396] br: port 1(d1) entered forwarding state [ 35.188392][ T2777] d3: left allmulticast mode [ 35.188411][ T2777] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.188413][ T2777] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2777, name: ip [ 35.188415][ T2777] preempt_count: 1, expected: 0 [ 35.188415][ T2777] RCU nest depth: 0, expected: 0 [ 35.188416][ T2777] locks held by ip/2777: 5, last CPU#3: [ 35.188418][ T2777] #0: ffffffffa931b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 35.188429][ T2777] #1: ffffffffa8b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 35.188435][ T2777] #2: ffffffffa8b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 35.188439][ T2777] #3: ffffffffa8a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 35.188442][ T2777] #4: ffffffffa8a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 35.188446][ T2777] irq event stamp: 20310 [ 35.188447][ T2777] hardirqs last enabled at (20309): [] __down_trylock_console_sem+0x86/0xa0 [ 35.188450][ T2777] hardirqs last disabled at (20310): [] console_emit_next_record+0x3d4/0x4c0 [ 35.188452][ T2777] softirqs last enabled at (20278): [] __alloc_skb+0x4c2/0x5f0 [ 35.188456][ T2777] softirqs last disabled at (20276): [] __alloc_skb+0x4c2/0x5f0 [ 35.188458][ T2777] Preemption disabled at: [ 35.188459][ T2777] [] vprintk_emit+0x31b/0x3e0 [ 35.188463][ T2777] CPU: 3 UID: 0 PID: 2777 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.188467][ T2777] Tainted: [W]=WARN [ 35.188467][ T2777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.188469][ T2777] Call Trace: [ 35.188471][ T2777] [ 35.188472][ T2777] dump_stack_lvl+0x6f/0xa0 [ 35.188478][ T2777] ? vprintk_emit+0x31b/0x3e0 [ 35.188479][ T2777] __might_resched.cold+0x1fe/0x2c1 [ 35.188484][ T2777] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.188488][ T2777] ? __kmalloc_noprof+0xdb/0x760 [ 35.188492][ T2777] __kmalloc_noprof+0x443/0x760 [ 35.188494][ T2777] ? alloc_buf.isra.0+0x4b/0x260 [ 35.188500][ T2777] ? do_raw_spin_unlock+0x59/0x250 [ 35.188503][ T2777] alloc_buf.isra.0+0x4b/0x260 [ 35.188507][ T2777] put_chars+0x1e1/0x2f0 [ 35.188509][ T2777] ? __send_to_port+0x420/0x420 [ 35.188516][ T2777] ? validate_chain+0x38b/0xc20 [ 35.188522][ T2777] hvc_console_print+0x292/0x780 [ 35.188529][ T2777] ? hvc_write+0x3a0/0x3a0 [ 35.188532][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188535][ T2777] ? lock_acquire+0x13c/0x160 [ 35.188539][ T2777] console_emit_next_record+0x22f/0x4c0 [ 35.188543][ T2777] ? devkmsg_read+0x4b0/0x4b0 [ 35.188545][ T2777] ? console_flush_one_record+0x106/0x710 [ 35.188549][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188550][ T2777] ? lock_acquire+0x13c/0x160 [ 35.188554][ T2777] console_flush_one_record+0x46f/0x710 [ 35.188559][ T2777] ? console_emit_next_record+0x4c0/0x4c0 [ 35.188560][ T2777] ? __lock_acquire+0x518/0xc20 [ 35.188566][ T2777] console_unlock+0xee/0x1f0 [ 35.188568][ T2777] ? console_flush_one_record+0x710/0x710 [ 35.188570][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188572][ T2777] ? lock_acquire+0xe0/0x160 [ 35.188576][ T2777] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.188577][ T2777] ? vprintk_emit+0x320/0x3e0 [ 35.188580][ T2777] vprintk_emit+0x37c/0x3e0 [ 35.188583][ T2777] ? wake_up_klogd_work_func+0x90/0x90 [ 35.188584][ T2777] ? rtnl_newlink+0x9f1/0x11b0 [ 35.188586][ T2777] ? netlink_rcv_skb+0x14e/0x3a0 [ 35.188589][ T2777] ? netlink_unicast+0x486/0x750 [ 35.188591][ T2777] ? netlink_sendmsg+0x75b/0xc90 [ 35.188592][ T2777] ? __sock_sendmsg+0xce/0x190 [ 35.188595][ T2777] ? ____sys_sendmsg+0x61a/0x860 [ 35.188596][ T2777] ? ___sys_sendmsg+0x14e/0x1d0 [ 35.188600][ T2777] _printk+0xc7/0x100 [ 35.188603][ T2777] ? snapshot_read.cold+0x21/0x21 [ 35.188608][ T2777] ? netdev_name+0x43/0x60 [ 35.188612][ T2777] ? __netdev_printk+0x17f/0x1d0 [ 35.188615][ T2777] netdev_info+0xe2/0x116 [ 35.188618][ T2777] ? netdev_notice+0x120/0x120 [ 35.188622][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188624][ T2777] ? __up_read+0x355/0x9e0 [ 35.188627][ T2777] ? down_write_nested+0x200/0x200 [ 35.188628][ T2777] ? mutex_is_locked+0x1c/0x50 [ 35.188631][ T2777] netif_set_allmulti.cold+0x7c/0x166 [ 35.188635][ T2777] dev_set_allmulti+0xa6/0x240 [ 35.188639][ T2777] del_nbp+0xb7/0xc10 [ 35.188645][ T2777] br_del_if+0xab/0x200 [ 35.188647][ T2777] ? rtnl_is_locked+0x15/0x20 [ 35.188650][ T2777] do_set_master+0x15c/0x780 [ 35.188653][ T2777] do_setlink.isra.0+0x9ec/0x2a60 [ 35.188657][ T2777] ? stack_trace_save+0x93/0xc0 [ 35.188660][ T2777] ? rtnl_link_get_size+0x350/0x350 [ 35.188662][ T2777] ? rcu_read_lock_any_held+0x66/0x90 [ 35.188664][ T2777] ? stack_depot_save_flags+0x38e/0x790 [ 35.188668][ T2777] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.188670][ T2777] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.188671][ T2777] ? validate_chain+0x38b/0xc20 [ 35.188674][ T2777] ? kasan_save_stack+0x3d/0x50 [ 35.188676][ T2777] ? kasan_save_stack+0x2f/0x50 [ 35.188677][ T2777] ? kasan_save_track+0x14/0x30 [ 35.188679][ T2777] ? __kasan_kmalloc+0x7b/0x90 [ 35.188681][ T2777] ? __lock_acquire+0x518/0xc20 [ 35.188683][ T2777] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 35.188685][ T2777] ? ___sys_sendmsg+0xd0/0x1d0 [ 35.188688][ T2777] ? lock_acquire.part.0+0xd4/0x280 [ 35.188690][ T2777] ? rtnl_newlink+0x9a8/0x11b0 [ 35.188693][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188694][ T2777] ? lock_acquire+0x13c/0x160 [ 35.188696][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188697][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188699][ T2777] ? trace_contention_end+0xb3/0x180 [ 35.188701][ T2777] ? __mutex_lock+0x1db/0x1ea0 [ 35.188704][ T2777] ? __mutex_lock+0x9a3/0x1ea0 [ 35.188706][ T2777] ? rtnl_newlink+0x9a8/0x11b0 [ 35.188709][ T2777] ? ww_mutex_lock+0x160/0x160 [ 35.188710][ T2777] ? nla_get_range_signed+0x3d0/0x3d0 [ 35.188715][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188717][ T2777] ? __rtnl_newlink+0x3fa/0xa50 [ 35.188722][ T2777] rtnl_newlink+0x9f1/0x11b0 [ 35.188728][ T2777] ? rtnl_bridge_getlink+0x850/0x850 [ 35.188730][ T2777] ? __lock_acquire+0x518/0xc20 [ 35.188734][ T2777] ? lock_acquire.part.0+0xd4/0x280 [ 35.188736][ T2777] ? find_held_lock+0x2b/0x80 [ 35.188738][ T2777] ? rtnl_bridge_getlink+0x850/0x850 [ 35.188740][ T2777] ? __lock_release.isra.0+0x69/0x1a0 [ 35.188744][ T2777] ? rtnl_bridge_getlink+0x850/0x850 [ 35.188746][ T2777] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 35.188749][ T2777] ? rtnl_link_fill+0x920/0x920 [ 35.188750][ T2777] ? __lock_acquire+0x518/0xc20 [ 35.188755][ T2777] ? lock_acquire.part.0+0xd4/0x280 [ 35.188756][ T2777] ? find_held_lock+0x2b/0x80 [ 35.188760][ T2777] netlink_rcv_skb+0x14e/0x3a0 [ 35.188762][ T2777] ? rtnl_link_fill+0x920/0x920 [ 35.188765][ T2777] ? netlink_ack+0xcf0/0xcf0 [ 35.188771][ T2777] ? netlink_deliver_tap+0xc5/0x330 [ 35.188773][ T2777] ? netlink_deliver_tap+0x13c/0x330 [ 35.188778][ T2777] netlink_unicast+0x486/0x750 [ 35.188781][ T2777] ? netlink_attachskb+0x810/0x810 [ 35.188784][ T2777] ? find_held_lock+0x2b/0x80 [ 35.188788][ T2777] netlink_sendmsg+0x75b/0xc90 [ 35.188792][ T2777] ? netlink_unicast+0x750/0x750 [ 35.188796][ T2777] ? __lock_release.isra.0+0x69/0x1a0 [ 35.188797][ T2777] ? __import_iovec+0x36c/0x620 [ 35.188803][ T2777] __sock_sendmsg+0xce/0x190 [ 35.188806][ T2777] ____sys_sendmsg+0x61a/0x860 [ 35.188808][ T2777] ? copy_msghdr_from_user+0x279/0x420 [ 35.188810][ T2777] ? sock_write_iter+0x400/0x400 [ 35.188812][ T2777] ? move_addr_to_kernel+0x40/0x40 [ 35.188819][ T2777] ___sys_sendmsg+0x14e/0x1d0 [ 35.188822][ T2777] ? copy_msghdr_from_user+0x420/0x420 [ 35.188838][ T2777] __sys_sendmsg+0x12c/0x1d0 [ 35.188841][ T2777] ? __sys_sendmsg_sock+0x20/0x20 [ 35.188847][ T2777] ? rcu_is_watching+0x16/0xd0 [ 35.188850][ T2777] do_syscall_64+0xff/0x530 [ 35.188853][ T2777] ? exc_page_fault+0xee/0x100 [ 35.188856][ T2777] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.188858][ T2777] RIP: 0033:0x7f3dc89af54e [ 35.188861][ T2777] 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 [ 35.188863][ T2777] RSP: 002b:00007fff4de7f7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.188865][ T2777] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3dc89af54e [ 35.188867][ T2777] RDX: 0000000000000000 RSI: 00007fff4de7f850 RDI: 0000000000000005 [ 35.188868][ T2777] RBP: 00007fff4de7f7b0 R08: 0000000000000000 R09: 0000000000000000 [ 35.188868][ T2777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c3f0 [ 35.188869][ T2777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4de7ff10 [ 35.188876][ T2777] [ 35.223623][ T2777] d3: left promiscuous mode [ 35.223956][ T2777] br: port 3(d3) entered disabled state [ 35.374710][ T2785] d2: left allmulticast mode [ 35.374988][ T2785] d2: left promiscuous mode [ 35.375355][ T2785] br: port 2(d2) entered disabled state [ 35.530783][ T2793] d1: left allmulticast mode [ 35.531030][ T2793] d1: left promiscuous mode [ 35.531338][ T2793] br: port 1(d1) entered disabled state