[ 11.034042][ T236] br: port 1(d1) entered blocking state [ 11.034130][ T236] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.034132][ T236] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 236, name: ip [ 11.034134][ T236] preempt_count: 1, expected: 0 [ 11.034135][ T236] RCU nest depth: 0, expected: 0 [ 11.034135][ T236] locks held by ip/236: 5, last CPU#2: [ 11.034137][ T236] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 11.034150][ T236] #1: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.034156][ T236] #2: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.034161][ T236] #3: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.034164][ T236] #4: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.034168][ T236] irq event stamp: 14572 [ 11.034169][ T236] hardirqs last enabled at (14571): [] __down_trylock_console_sem+0x86/0xa0 [ 11.034172][ T236] hardirqs last disabled at (14572): [] console_emit_next_record+0x3d4/0x4c0 [ 11.034174][ T236] softirqs last enabled at (14480): [] __alloc_skb+0x4c2/0x5f0 [ 11.034178][ T236] softirqs last disabled at (14478): [] __alloc_skb+0x4c2/0x5f0 [ 11.034180][ T236] Preemption disabled at: [ 11.034181][ T236] [] vprintk_emit+0x31b/0x3e0 [ 11.034187][ T236] CPU: 2 UID: 0 PID: 236 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.034190][ T236] Tainted: [W]=WARN [ 11.034191][ T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.034193][ T236] Call Trace: [ 11.034194][ T236] [ 11.034196][ T236] dump_stack_lvl+0x6f/0xa0 [ 11.034202][ T236] ? vprintk_emit+0x31b/0x3e0 [ 11.034204][ T236] __might_resched.cold+0x1fe/0x2c1 [ 11.034208][ T236] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.034212][ T236] ? __kmalloc_noprof+0xdb/0x760 [ 11.034216][ T236] __kmalloc_noprof+0x443/0x760 [ 11.034218][ T236] ? alloc_buf.isra.0+0x4b/0x260 [ 11.034225][ T236] ? do_raw_spin_unlock+0x59/0x250 [ 11.034228][ T236] alloc_buf.isra.0+0x4b/0x260 [ 11.034232][ T236] put_chars+0x1e1/0x2f0 [ 11.034234][ T236] ? __send_to_port+0x420/0x420 [ 11.034236][ T236] ? validate_chain+0x34a/0xc20 [ 11.034242][ T236] hvc_console_print+0x292/0x780 [ 11.034250][ T236] ? hvc_write+0x3a0/0x3a0 [ 11.034252][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034255][ T236] ? lock_acquire+0x13c/0x160 [ 11.034259][ T236] console_emit_next_record+0x22f/0x4c0 [ 11.034262][ T236] ? devkmsg_read+0x4b0/0x4b0 [ 11.034264][ T236] ? console_flush_one_record+0x106/0x710 [ 11.034267][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034269][ T236] ? lock_acquire+0x13c/0x160 [ 11.034273][ T236] console_flush_one_record+0x46f/0x710 [ 11.034277][ T236] ? console_emit_next_record+0x4c0/0x4c0 [ 11.034279][ T236] ? __lock_acquire+0x518/0xc20 [ 11.034284][ T236] console_unlock+0xee/0x1f0 [ 11.034287][ T236] ? console_flush_one_record+0x710/0x710 [ 11.034289][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034291][ T236] ? lock_acquire+0xe0/0x160 [ 11.034294][ T236] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.034296][ T236] ? vprintk_emit+0x320/0x3e0 [ 11.034299][ T236] vprintk_emit+0x37c/0x3e0 [ 11.034301][ T236] ? wake_up_klogd_work_func+0x90/0x90 [ 11.034303][ T236] ? __lock_release.isra.0+0x69/0x1a0 [ 11.034305][ T236] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.034309][ T236] ? mark_held_locks+0x40/0x70 [ 11.034313][ T236] _printk+0xc7/0x100 [ 11.034316][ T236] ? snapshot_read.cold+0x21/0x21 [ 11.034319][ T236] ? br_multicast_flood+0x960/0x960 [ 11.034323][ T236] ? do_setlink.isra.0+0x9ec/0x2a60 [ 11.034324][ T236] ? rtnl_newlink+0x9f1/0x11b0 [ 11.034325][ T236] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.034329][ T236] br_set_state+0x22f/0x430 [ 11.034333][ T236] br_init_port+0xc4/0x200 [ 11.034335][ T236] new_nbp+0x3a0/0x650 [ 11.034339][ T236] br_add_if+0x212/0x1320 [ 11.034341][ T236] ? sysvec_apic_timer_interrupt+0x50/0xe0 [ 11.034348][ T236] do_set_master+0x3b2/0x780 [ 11.034351][ T236] do_setlink.isra.0+0x9ec/0x2a60 [ 11.034355][ T236] ? stack_trace_save+0x93/0xc0 [ 11.034358][ T236] ? rtnl_link_get_size+0x350/0x350 [ 11.034360][ T236] ? rcu_read_lock_any_held+0x66/0x90 [ 11.034362][ T236] ? stack_depot_save_flags+0x38e/0x790 [ 11.034366][ T236] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.034368][ T236] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.034370][ T236] ? validate_chain+0x38b/0xc20 [ 11.034372][ T236] ? kasan_save_stack+0x3d/0x50 [ 11.034374][ T236] ? kasan_save_stack+0x2f/0x50 [ 11.034375][ T236] ? kasan_save_track+0x14/0x30 [ 11.034377][ T236] ? __kasan_kmalloc+0x7b/0x90 [ 11.034379][ T236] ? __lock_acquire+0x518/0xc20 [ 11.034381][ T236] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 11.034383][ T236] ? ___sys_sendmsg+0xd0/0x1d0 [ 11.034387][ T236] ? lock_acquire.part.0+0xd4/0x280 [ 11.034389][ T236] ? rtnl_newlink+0x9a8/0x11b0 [ 11.034391][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034393][ T236] ? lock_acquire+0x13c/0x160 [ 11.034395][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034396][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034397][ T236] ? trace_contention_end+0xb3/0x180 [ 11.034404][ T236] ? __mutex_lock+0x1db/0x1ea0 [ 11.034406][ T236] ? __mutex_lock+0x9a3/0x1ea0 [ 11.034408][ T236] ? rtnl_newlink+0x9a8/0x11b0 [ 11.034411][ T236] ? ww_mutex_lock+0x160/0x160 [ 11.034412][ T236] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.034417][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034419][ T236] ? __rtnl_newlink+0x3fa/0xa50 [ 11.034425][ T236] rtnl_newlink+0x9f1/0x11b0 [ 11.034430][ T236] ? rtnl_bridge_getlink+0x850/0x850 [ 11.034432][ T236] ? __lock_acquire+0x518/0xc20 [ 11.034436][ T236] ? lock_acquire.part.0+0xd4/0x280 [ 11.034438][ T236] ? find_held_lock+0x2b/0x80 [ 11.034441][ T236] ? rtnl_bridge_getlink+0x850/0x850 [ 11.034442][ T236] ? __lock_release.isra.0+0x69/0x1a0 [ 11.034446][ T236] ? rtnl_bridge_getlink+0x850/0x850 [ 11.034448][ T236] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.034451][ T236] ? rtnl_link_fill+0x920/0x920 [ 11.034452][ T236] ? __lock_acquire+0x518/0xc20 [ 11.034457][ T236] ? lock_acquire.part.0+0xd4/0x280 [ 11.034459][ T236] ? find_held_lock+0x2b/0x80 [ 11.034462][ T236] netlink_rcv_skb+0x14e/0x3a0 [ 11.034465][ T236] ? rtnl_link_fill+0x920/0x920 [ 11.034468][ T236] ? netlink_ack+0xcf0/0xcf0 [ 11.034475][ T236] ? netlink_deliver_tap+0xc5/0x330 [ 11.034486][ T236] ? netlink_deliver_tap+0x13c/0x330 [ 11.034491][ T236] netlink_unicast+0x486/0x750 [ 11.034494][ T236] ? netlink_attachskb+0x810/0x810 [ 11.034497][ T236] ? find_held_lock+0x2b/0x80 [ 11.034501][ T236] netlink_sendmsg+0x75b/0xc90 [ 11.034505][ T236] ? netlink_unicast+0x750/0x750 [ 11.034509][ T236] ? __lock_release.isra.0+0x69/0x1a0 [ 11.034510][ T236] ? __import_iovec+0x36c/0x620 [ 11.034516][ T236] __sock_sendmsg+0xce/0x190 [ 11.034519][ T236] ____sys_sendmsg+0x61a/0x860 [ 11.034521][ T236] ? copy_msghdr_from_user+0x279/0x420 [ 11.034523][ T236] ? sock_write_iter+0x400/0x400 [ 11.034525][ T236] ? move_addr_to_kernel+0x40/0x40 [ 11.034532][ T236] ___sys_sendmsg+0x14e/0x1d0 [ 11.034535][ T236] ? copy_msghdr_from_user+0x420/0x420 [ 11.034551][ T236] __sys_sendmsg+0x12c/0x1d0 [ 11.034553][ T236] ? __sys_sendmsg_sock+0x20/0x20 [ 11.034560][ T236] ? rcu_is_watching+0x16/0xd0 [ 11.034563][ T236] do_syscall_64+0xff/0x530 [ 11.034566][ T236] ? exc_page_fault+0xee/0x100 [ 11.034568][ T236] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.034570][ T236] RIP: 0033:0x7f614b7c954e [ 11.034574][ T236] 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 [ 11.034576][ T236] RSP: 002b:00007fffdf452730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.034579][ T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f614b7c954e [ 11.034580][ T236] RDX: 0000000000000000 RSI: 00007fffdf4527e0 RDI: 0000000000000005 [ 11.034581][ T236] RBP: 00007fffdf452740 R08: 0000000000000000 R09: 0000000000000000 [ 11.034582][ T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918682 [ 11.034582][ T236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdf452ea0 [ 11.034589][ T236] [ 11.075117][ T236] br: port 1(d1) entered disabled state [ 11.075382][ T236] d1: entered allmulticast mode [ 11.076446][ T236] d1: entered promiscuous mode [ 11.077371][ T236] br: port 1(d1) entered blocking state [ 11.077730][ T236] br: port 1(d1) entered forwarding state [ 11.098830][ T236] ip (236) used greatest stack depth: 23336 bytes left [ 11.422113][ T264] br: port 2(d2) entered blocking state [ 11.422414][ T264] br: port 2(d2) entered disabled state [ 11.422698][ T264] d2: entered allmulticast mode [ 11.423812][ T264] d2: entered promiscuous mode [ 11.425386][ T264] br: port 2(d2) entered blocking state [ 11.425657][ T264] br: port 2(d2) entered forwarding state [ 11.863215][ T292] br: port 3(d3) entered blocking state [ 11.863617][ T292] br: port 3(d3) entered disabled state [ 11.864580][ T292] d3: entered allmulticast mode [ 11.866346][ T292] d3: entered promiscuous mode [ 11.867772][ T292] br: port 3(d3) entered blocking state [ 11.868253][ T292] br: port 3(d3) entered forwarding state [ 12.913043][ T387] br: port 1(d1) entered disabled state [ 12.913062][ T387] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.913064][ T387] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 387, name: ip [ 12.913065][ T387] preempt_count: 202, expected: 0 [ 12.913066][ T387] RCU nest depth: 0, expected: 0 [ 12.913067][ T387] locks held by ip/387: 6, last CPU#2: [ 12.913069][ T387] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.913081][ T387] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 12.913087][ T387] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.913092][ T387] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.913096][ T387] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.913099][ T387] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.913106][ T387] irq event stamp: 14989 [ 12.913106][ T387] hardirqs last enabled at (14988): [] __down_trylock_console_sem+0x86/0xa0 [ 12.913109][ T387] hardirqs last disabled at (14989): [] console_emit_next_record+0x3d4/0x4c0 [ 12.913111][ T387] softirqs last enabled at (14972): [] ipv6_mc_down+0x134/0x2d0 [ 12.913115][ T387] softirqs last disabled at (14984): [] br_device_event+0x1d7/0x8f0 [ 12.913117][ T387] Preemption disabled at: [ 12.913118][ T387] [<0000000000000000>] 0x0 [ 12.913124][ T387] CPU: 2 UID: 0 PID: 387 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.913128][ T387] Tainted: [W]=WARN [ 12.913129][ T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.913130][ T387] Call Trace: [ 12.913132][ T387] [ 12.913133][ T387] dump_stack_lvl+0x6f/0xa0 [ 12.913140][ T387] __might_resched.cold+0x1fe/0x2c1 [ 12.913144][ T387] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.913148][ T387] ? __kmalloc_noprof+0xdb/0x760 [ 12.913153][ T387] __kmalloc_noprof+0x443/0x760 [ 12.913155][ T387] ? alloc_buf.isra.0+0x4b/0x260 [ 12.913161][ T387] ? do_raw_spin_unlock+0x59/0x250 [ 12.913164][ T387] alloc_buf.isra.0+0x4b/0x260 [ 12.913167][ T387] put_chars+0x1e1/0x2f0 [ 12.913170][ T387] ? __send_to_port+0x420/0x420 [ 12.913176][ T387] hvc_console_print+0x292/0x780 [ 12.913183][ T387] ? hvc_write+0x3a0/0x3a0 [ 12.913187][ T387] ? lock_acquire+0x13c/0x160 [ 12.913191][ T387] console_emit_next_record+0x22f/0x4c0 [ 12.913195][ T387] ? devkmsg_read+0x4b0/0x4b0 [ 12.913197][ T387] ? console_flush_one_record+0x106/0x710 [ 12.913200][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913203][ T387] ? lock_acquire+0x13c/0x160 [ 12.913207][ T387] console_flush_one_record+0x46f/0x710 [ 12.913211][ T387] ? console_emit_next_record+0x4c0/0x4c0 [ 12.913213][ T387] ? __lock_acquire+0x518/0xc20 [ 12.913218][ T387] console_unlock+0xee/0x1f0 [ 12.913221][ T387] ? console_flush_one_record+0x710/0x710 [ 12.913222][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913224][ T387] ? lock_acquire+0xe0/0x160 [ 12.913228][ T387] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.913230][ T387] ? vprintk_emit+0x320/0x3e0 [ 12.913232][ T387] vprintk_emit+0x37c/0x3e0 [ 12.913236][ T387] ? wake_up_klogd_work_func+0x90/0x90 [ 12.913237][ T387] ? mark_held_locks+0x40/0x70 [ 12.913239][ T387] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.913241][ T387] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.913245][ T387] _printk+0xc7/0x100 [ 12.913249][ T387] ? snapshot_read.cold+0x21/0x21 [ 12.913257][ T387] br_set_state+0x22f/0x430 [ 12.913261][ T387] br_stp_disable_port+0x11f/0x390 [ 12.913264][ T387] br_device_event+0x7b5/0x8f0 [ 12.913267][ T387] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.913271][ T387] ? packet_sendmsg_spkt+0x1360/0x1360 [ 12.913276][ T387] notifier_call_chain+0xae/0x300 [ 12.913282][ T387] __dev_notify_flags+0x23c/0x450 [ 12.913287][ T387] ? netif_change_name+0x8c0/0x8c0 [ 12.913291][ T387] ? netif_set_allmulti+0x2c0/0x2c0 [ 12.913294][ T387] ? __kernel_text_address+0x12/0x30 [ 12.913297][ T387] ? write_profile+0xf0/0xf0 [ 12.913301][ T387] netif_change_flags+0xfe/0x190 [ 12.913305][ T387] do_setlink.isra.0+0x1d25/0x2a60 [ 12.913309][ T387] ? stack_trace_save+0x93/0xc0 [ 12.913311][ T387] ? rtnl_link_get_size+0x350/0x350 [ 12.913312][ T387] ? rcu_read_lock_any_held+0x66/0x90 [ 12.913314][ T387] ? stack_depot_save_flags+0x38e/0x790 [ 12.913318][ T387] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.913319][ T387] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.913321][ T387] ? validate_chain+0x38b/0xc20 [ 12.913324][ T387] ? kasan_save_stack+0x3d/0x50 [ 12.913326][ T387] ? kasan_save_stack+0x2f/0x50 [ 12.913327][ T387] ? kasan_save_track+0x14/0x30 [ 12.913328][ T387] ? __kasan_kmalloc+0x7b/0x90 [ 12.913331][ T387] ? __lock_acquire+0x518/0xc20 [ 12.913332][ T387] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.913336][ T387] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.913339][ T387] ? lock_acquire.part.0+0xd4/0x280 [ 12.913341][ T387] ? rtnl_newlink+0x9a8/0x11b0 [ 12.913344][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913345][ T387] ? lock_acquire+0x13c/0x160 [ 12.913347][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913348][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913350][ T387] ? trace_contention_end+0xb3/0x180 [ 12.913352][ T387] ? __mutex_lock+0x1db/0x1ea0 [ 12.913354][ T387] ? __mutex_lock+0x9a3/0x1ea0 [ 12.913356][ T387] ? rtnl_newlink+0x9a8/0x11b0 [ 12.913359][ T387] ? ww_mutex_lock+0x160/0x160 [ 12.913362][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913365][ T387] ? __rtnl_newlink+0x3fa/0xa50 [ 12.913370][ T387] rtnl_newlink+0x9f1/0x11b0 [ 12.913375][ T387] ? rtnl_bridge_getlink+0x850/0x850 [ 12.913377][ T387] ? __lock_acquire+0x518/0xc20 [ 12.913381][ T387] ? lock_acquire.part.0+0xd4/0x280 [ 12.913383][ T387] ? find_held_lock+0x2b/0x80 [ 12.913386][ T387] ? rtnl_bridge_getlink+0x850/0x850 [ 12.913387][ T387] ? __lock_release.isra.0+0x69/0x1a0 [ 12.913391][ T387] ? rtnl_bridge_getlink+0x850/0x850 [ 12.913393][ T387] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.913396][ T387] ? rtnl_link_fill+0x920/0x920 [ 12.913398][ T387] ? __lock_acquire+0x518/0xc20 [ 12.913402][ T387] ? lock_acquire.part.0+0xd4/0x280 [ 12.913404][ T387] ? find_held_lock+0x2b/0x80 [ 12.913412][ T387] netlink_rcv_skb+0x14e/0x3a0 [ 12.913416][ T387] ? rtnl_link_fill+0x920/0x920 [ 12.913419][ T387] ? netlink_ack+0xcf0/0xcf0 [ 12.913425][ T387] ? netlink_deliver_tap+0xc5/0x330 [ 12.913427][ T387] ? netlink_deliver_tap+0x13c/0x330 [ 12.913431][ T387] netlink_unicast+0x486/0x750 [ 12.913435][ T387] ? netlink_attachskb+0x810/0x810 [ 12.913438][ T387] ? find_held_lock+0x2b/0x80 [ 12.913442][ T387] netlink_sendmsg+0x75b/0xc90 [ 12.913446][ T387] ? netlink_unicast+0x750/0x750 [ 12.913450][ T387] ? __lock_release.isra.0+0x69/0x1a0 [ 12.913452][ T387] ? __import_iovec+0x36c/0x620 [ 12.913457][ T387] __sock_sendmsg+0xce/0x190 [ 12.913460][ T387] ____sys_sendmsg+0x61a/0x860 [ 12.913462][ T387] ? copy_msghdr_from_user+0x279/0x420 [ 12.913464][ T387] ? sock_write_iter+0x400/0x400 [ 12.913466][ T387] ? move_addr_to_kernel+0x40/0x40 [ 12.913473][ T387] ___sys_sendmsg+0x14e/0x1d0 [ 12.913476][ T387] ? copy_msghdr_from_user+0x420/0x420 [ 12.913492][ T387] __sys_sendmsg+0x12c/0x1d0 [ 12.913495][ T387] ? __sys_sendmsg_sock+0x20/0x20 [ 12.913501][ T387] ? rcu_is_watching+0x16/0xd0 [ 12.913504][ T387] do_syscall_64+0xff/0x530 [ 12.913507][ T387] ? exc_page_fault+0xee/0x100 [ 12.913510][ T387] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.913512][ T387] RIP: 0033:0x7f1494af654e [ 12.913514][ T387] 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 [ 12.913516][ T387] RSP: 002b:00007fffd54d16b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.913518][ T387] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1494af654e [ 12.913520][ T387] RDX: 0000000000000000 RSI: 00007fffd54d1760 RDI: 0000000000000005 [ 12.913521][ T387] RBP: 00007fffd54d16c0 R08: 0000000000000000 R09: 0000000000000000 [ 12.913521][ T387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918684 [ 12.913522][ T387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd54d1e20 [ 12.913529][ T387] [ 12.969985][ T387] ip (387) used greatest stack depth: 23016 bytes left [ 13.303742][ T425] br: port 1(d1) entered blocking state [ 13.304079][ T425] br: port 1(d1) entered forwarding state [ 13.390140][ T434] br: port 2(d2) entered disabled state [ 13.706808][ T472] br: port 2(d2) entered blocking state [ 13.707126][ T472] br: port 2(d2) entered forwarding state [ 13.779509][ T480] br: port 1(d1) entered disabled state [ 13.862436][ T488] br: port 2(d2) entered disabled state [ 14.178785][ T526] br: port 2(d2) entered blocking state [ 14.178805][ T526] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.178807][ T526] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 526, name: ip [ 14.178808][ T526] preempt_count: 202, expected: 0 [ 14.178809][ T526] RCU nest depth: 0, expected: 0 [ 14.178810][ T526] locks held by ip/526: 6, last CPU#0: [ 14.178812][ T526] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.178824][ T526] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 14.178830][ T526] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.178835][ T526] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.178839][ T526] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.178843][ T526] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.178847][ T526] irq event stamp: 11729 [ 14.178848][ T526] hardirqs last enabled at (11728): [] __down_trylock_console_sem+0x86/0xa0 [ 14.178851][ T526] hardirqs last disabled at (11729): [] console_emit_next_record+0x3d4/0x4c0 [ 14.178853][ T526] softirqs last enabled at (11690): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 14.178855][ T526] softirqs last disabled at (11724): [] br_device_event+0x5fd/0x8f0 [ 14.178858][ T526] Preemption disabled at: [ 14.178858][ T526] [<0000000000000000>] 0x0 [ 14.178866][ T526] CPU: 0 UID: 0 PID: 526 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.178869][ T526] Tainted: [W]=WARN [ 14.178870][ T526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.178872][ T526] Call Trace: [ 14.178874][ T526] [ 14.178875][ T526] dump_stack_lvl+0x6f/0xa0 [ 14.178882][ T526] __might_resched.cold+0x1fe/0x2c1 [ 14.178886][ T526] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.178891][ T526] ? __kmalloc_noprof+0xdb/0x760 [ 14.178895][ T526] __kmalloc_noprof+0x443/0x760 [ 14.178897][ T526] ? alloc_buf.isra.0+0x4b/0x260 [ 14.178903][ T526] ? do_raw_spin_unlock+0x59/0x250 [ 14.178906][ T526] alloc_buf.isra.0+0x4b/0x260 [ 14.178910][ T526] put_chars+0x1e1/0x2f0 [ 14.178912][ T526] ? __send_to_port+0x420/0x420 [ 14.178914][ T526] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.178917][ T526] ? validate_chain+0x38b/0xc20 [ 14.178922][ T526] hvc_console_print+0x292/0x780 [ 14.178930][ T526] ? hvc_write+0x3a0/0x3a0 [ 14.178933][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.178935][ T526] ? lock_acquire+0x13c/0x160 [ 14.178939][ T526] console_emit_next_record+0x22f/0x4c0 [ 14.178943][ T526] ? devkmsg_read+0x4b0/0x4b0 [ 14.178945][ T526] ? console_flush_one_record+0x106/0x710 [ 14.178948][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.178949][ T526] ? lock_acquire+0x13c/0x160 [ 14.178953][ T526] console_flush_one_record+0x46f/0x710 [ 14.178958][ T526] ? console_emit_next_record+0x4c0/0x4c0 [ 14.178960][ T526] ? __lock_acquire+0x518/0xc20 [ 14.178965][ T526] console_unlock+0xee/0x1f0 [ 14.178970][ T526] ? console_flush_one_record+0x710/0x710 [ 14.178972][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.178973][ T526] ? lock_acquire+0xe0/0x160 [ 14.178977][ T526] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.178979][ T526] ? vprintk_emit+0x320/0x3e0 [ 14.178982][ T526] vprintk_emit+0x37c/0x3e0 [ 14.178985][ T526] ? wake_up_klogd_work_func+0x90/0x90 [ 14.178987][ T526] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.178989][ T526] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.178993][ T526] _printk+0xc7/0x100 [ 14.179004][ T526] ? snapshot_read.cold+0x21/0x21 [ 14.179009][ T526] ? lock_acquire.part.0+0xd4/0x280 [ 14.179013][ T526] br_set_state+0x22f/0x430 [ 14.179018][ T526] br_init_port+0xc4/0x200 [ 14.179021][ T526] br_stp_enable_port+0x12/0x50 [ 14.179023][ T526] br_device_event+0x605/0x8f0 [ 14.179026][ T526] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.179027][ T526] ? nlmsg_notify+0x62/0x250 [ 14.179034][ T526] notifier_call_chain+0xae/0x300 [ 14.179040][ T526] __dev_notify_flags+0x1b7/0x450 [ 14.179045][ T526] ? netif_change_name+0x8c0/0x8c0 [ 14.179049][ T526] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.179051][ T526] ? kernel_text_address+0x149/0x170 [ 14.179054][ T526] ? __kernel_text_address+0x12/0x30 [ 14.179055][ T526] ? write_profile+0xf0/0xf0 [ 14.179060][ T526] netif_change_flags+0xfe/0x190 [ 14.179064][ T526] do_setlink.isra.0+0x1d25/0x2a60 [ 14.179067][ T526] ? stack_trace_save+0x93/0xc0 [ 14.179069][ T526] ? rtnl_link_get_size+0x350/0x350 [ 14.179071][ T526] ? rcu_read_lock_any_held+0x66/0x90 [ 14.179072][ T526] ? stack_depot_save_flags+0x38e/0x790 [ 14.179076][ T526] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.179078][ T526] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.179079][ T526] ? validate_chain+0x38b/0xc20 [ 14.179082][ T526] ? kasan_save_stack+0x3d/0x50 [ 14.179084][ T526] ? kasan_save_stack+0x2f/0x50 [ 14.179085][ T526] ? kasan_save_track+0x14/0x30 [ 14.179086][ T526] ? __kasan_kmalloc+0x7b/0x90 [ 14.179089][ T526] ? __lock_acquire+0x518/0xc20 [ 14.179091][ T526] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.179093][ T526] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.179097][ T526] ? lock_acquire.part.0+0xd4/0x280 [ 14.179099][ T526] ? rtnl_newlink+0x9a8/0x11b0 [ 14.179102][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.179103][ T526] ? lock_acquire+0x13c/0x160 [ 14.179105][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.179106][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.179108][ T526] ? trace_contention_end+0xb3/0x180 [ 14.179110][ T526] ? __mutex_lock+0x1db/0x1ea0 [ 14.179113][ T526] ? __mutex_lock+0x9a3/0x1ea0 [ 14.179115][ T526] ? rtnl_newlink+0x9a8/0x11b0 [ 14.179118][ T526] ? ww_mutex_lock+0x160/0x160 [ 14.179121][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.179123][ T526] ? __rtnl_newlink+0x3fa/0xa50 [ 14.179129][ T526] rtnl_newlink+0x9f1/0x11b0 [ 14.179134][ T526] ? rtnl_bridge_getlink+0x850/0x850 [ 14.179136][ T526] ? __lock_acquire+0x518/0xc20 [ 14.179140][ T526] ? lock_acquire.part.0+0xd4/0x280 [ 14.179142][ T526] ? find_held_lock+0x2b/0x80 [ 14.179144][ T526] ? rtnl_bridge_getlink+0x850/0x850 [ 14.179146][ T526] ? __lock_release.isra.0+0x69/0x1a0 [ 14.179150][ T526] ? rtnl_bridge_getlink+0x850/0x850 [ 14.179151][ T526] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.179155][ T526] ? rtnl_link_fill+0x920/0x920 [ 14.179156][ T526] ? __lock_acquire+0x518/0xc20 [ 14.179160][ T526] ? lock_acquire.part.0+0xd4/0x280 [ 14.179162][ T526] ? find_held_lock+0x2b/0x80 [ 14.179166][ T526] netlink_rcv_skb+0x14e/0x3a0 [ 14.179167][ T526] ? rtnl_link_fill+0x920/0x920 [ 14.179170][ T526] ? netlink_ack+0xcf0/0xcf0 [ 14.179177][ T526] ? netlink_deliver_tap+0xc5/0x330 [ 14.179179][ T526] ? netlink_deliver_tap+0x13c/0x330 [ 14.179183][ T526] netlink_unicast+0x486/0x750 [ 14.179187][ T526] ? netlink_attachskb+0x810/0x810 [ 14.179189][ T526] ? find_held_lock+0x2b/0x80 [ 14.179194][ T526] netlink_sendmsg+0x75b/0xc90 [ 14.179197][ T526] ? netlink_unicast+0x750/0x750 [ 14.179201][ T526] ? __lock_release.isra.0+0x69/0x1a0 [ 14.179203][ T526] ? __import_iovec+0x36c/0x620 [ 14.179208][ T526] __sock_sendmsg+0xce/0x190 [ 14.179211][ T526] ____sys_sendmsg+0x61a/0x860 [ 14.179213][ T526] ? copy_msghdr_from_user+0x279/0x420 [ 14.179215][ T526] ? sock_write_iter+0x400/0x400 [ 14.179217][ T526] ? move_addr_to_kernel+0x40/0x40 [ 14.179224][ T526] ___sys_sendmsg+0x14e/0x1d0 [ 14.179227][ T526] ? copy_msghdr_from_user+0x420/0x420 [ 14.179242][ T526] __sys_sendmsg+0x12c/0x1d0 [ 14.179245][ T526] ? __sys_sendmsg_sock+0x20/0x20 [ 14.179252][ T526] ? rcu_is_watching+0x16/0xd0 [ 14.179255][ T526] do_syscall_64+0xff/0x530 [ 14.179258][ T526] ? exc_page_fault+0xee/0x100 [ 14.179260][ T526] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.179262][ T526] RIP: 0033:0x7f2e9075d54e [ 14.179265][ T526] 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 [ 14.179266][ T526] RSP: 002b:00007fff665960e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.179269][ T526] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2e9075d54e [ 14.179270][ T526] RDX: 0000000000000000 RSI: 00007fff66596190 RDI: 0000000000000005 [ 14.179271][ T526] RBP: 00007fff665960f0 R08: 0000000000000000 R09: 0000000000000000 [ 14.179272][ T526] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918685 [ 14.179273][ T526] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff66596850 [ 14.179280][ T526] [ 14.218498][ T526] br: port 2(d2) entered forwarding state [ 14.279225][ T39] br: port 1(d1) entered blocking state [ 14.279782][ T39] br: port 1(d1) entered forwarding state [ 14.381937][ T537] br: port 1(d1) entered disabled state [ 14.476546][ T545] br: port 2(d2) entered disabled state [ 14.583039][ T553] br: port 3(d3) entered disabled state [ 14.938843][ T39] br: port 3(d3) entered blocking state [ 14.939236][ T39] br: port 3(d3) entered forwarding state [ 14.995364][ T39] br: port 2(d2) entered blocking state [ 14.995711][ T39] br: port 2(d2) entered forwarding state [ 15.031352][ T37] br: port 1(d1) entered blocking state [ 15.031591][ T37] br: port 1(d1) entered forwarding state [ 15.772922][ T649] br: port 1(d1) entered disabled state [ 15.772942][ T649] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.772944][ T649] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 649, name: ip [ 15.772945][ T649] preempt_count: 202, expected: 0 [ 15.772946][ T649] RCU nest depth: 0, expected: 0 [ 15.772947][ T649] locks held by ip/649: 6, last CPU#0: [ 15.772949][ T649] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 15.772962][ T649] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 15.772970][ T649] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.772975][ T649] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.772980][ T649] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.772983][ T649] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.772987][ T649] irq event stamp: 17061 [ 15.772988][ T649] hardirqs last enabled at (17060): [] __down_trylock_console_sem+0x86/0xa0 [ 15.772991][ T649] hardirqs last disabled at (17061): [] console_emit_next_record+0x3d4/0x4c0 [ 15.772993][ T649] softirqs last enabled at (17044): [] ipv6_mc_down+0x134/0x2d0 [ 15.772997][ T649] softirqs last disabled at (17056): [] br_device_event+0x1d7/0x8f0 [ 15.772999][ T649] Preemption disabled at: [ 15.773000][ T649] [<0000000000000000>] 0x0 [ 15.773007][ T649] CPU: 0 UID: 0 PID: 649 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.773010][ T649] Tainted: [W]=WARN [ 15.773011][ T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.773013][ T649] Call Trace: [ 15.773014][ T649] [ 15.773016][ T649] dump_stack_lvl+0x6f/0xa0 [ 15.773023][ T649] __might_resched.cold+0x1fe/0x2c1 [ 15.773028][ T649] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.773032][ T649] ? __kmalloc_noprof+0xdb/0x760 [ 15.773037][ T649] __kmalloc_noprof+0x443/0x760 [ 15.773039][ T649] ? alloc_buf.isra.0+0x4b/0x260 [ 15.773045][ T649] ? do_raw_spin_unlock+0x59/0x250 [ 15.773048][ T649] alloc_buf.isra.0+0x4b/0x260 [ 15.773052][ T649] put_chars+0x1e1/0x2f0 [ 15.773055][ T649] ? __send_to_port+0x420/0x420 [ 15.773061][ T649] hvc_console_print+0x292/0x780 [ 15.773069][ T649] ? hvc_write+0x3a0/0x3a0 [ 15.773072][ T649] ? lock_acquire+0x13c/0x160 [ 15.773077][ T649] console_emit_next_record+0x22f/0x4c0 [ 15.773081][ T649] ? devkmsg_read+0x4b0/0x4b0 [ 15.773083][ T649] ? console_flush_one_record+0x106/0x710 [ 15.773086][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773089][ T649] ? lock_acquire+0x13c/0x160 [ 15.773093][ T649] console_flush_one_record+0x46f/0x710 [ 15.773097][ T649] ? console_emit_next_record+0x4c0/0x4c0 [ 15.773099][ T649] ? __lock_acquire+0x518/0xc20 [ 15.773105][ T649] console_unlock+0xee/0x1f0 [ 15.773108][ T649] ? console_flush_one_record+0x710/0x710 [ 15.773110][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773112][ T649] ? lock_acquire+0xe0/0x160 [ 15.773115][ T649] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.773117][ T649] ? vprintk_emit+0x320/0x3e0 [ 15.773120][ T649] vprintk_emit+0x37c/0x3e0 [ 15.773123][ T649] ? wake_up_klogd_work_func+0x90/0x90 [ 15.773124][ T649] ? mark_held_locks+0x40/0x70 [ 15.773127][ T649] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.773129][ T649] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.773133][ T649] _printk+0xc7/0x100 [ 15.773137][ T649] ? snapshot_read.cold+0x21/0x21 [ 15.773145][ T649] br_set_state+0x22f/0x430 [ 15.773150][ T649] br_stp_disable_port+0x11f/0x390 [ 15.773153][ T649] br_device_event+0x7b5/0x8f0 [ 15.773155][ T649] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 15.773159][ T649] ? packet_sendmsg_spkt+0x1360/0x1360 [ 15.773165][ T649] notifier_call_chain+0xae/0x300 [ 15.773171][ T649] __dev_notify_flags+0x23c/0x450 [ 15.773176][ T649] ? netif_change_name+0x8c0/0x8c0 [ 15.773180][ T649] ? netif_set_allmulti+0x2c0/0x2c0 [ 15.773183][ T649] ? __kernel_text_address+0x12/0x30 [ 15.773186][ T649] ? write_profile+0xf0/0xf0 [ 15.773191][ T649] netif_change_flags+0xfe/0x190 [ 15.773195][ T649] do_setlink.isra.0+0x1d25/0x2a60 [ 15.773198][ T649] ? stack_trace_save+0x93/0xc0 [ 15.773200][ T649] ? rtnl_link_get_size+0x350/0x350 [ 15.773202][ T649] ? rcu_read_lock_any_held+0x66/0x90 [ 15.773204][ T649] ? stack_depot_save_flags+0x38e/0x790 [ 15.773207][ T649] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.773209][ T649] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.773211][ T649] ? validate_chain+0x38b/0xc20 [ 15.773214][ T649] ? kasan_save_stack+0x3d/0x50 [ 15.773216][ T649] ? kasan_save_stack+0x2f/0x50 [ 15.773217][ T649] ? kasan_save_track+0x14/0x30 [ 15.773219][ T649] ? __kasan_kmalloc+0x7b/0x90 [ 15.773221][ T649] ? __lock_acquire+0x518/0xc20 [ 15.773223][ T649] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 15.773226][ T649] ? ___sys_sendmsg+0xd0/0x1d0 [ 15.773229][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 15.773232][ T649] ? rtnl_newlink+0x9a8/0x11b0 [ 15.773234][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773236][ T649] ? lock_acquire+0x13c/0x160 [ 15.773238][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773239][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773240][ T649] ? trace_contention_end+0xb3/0x180 [ 15.773243][ T649] ? __mutex_lock+0x1db/0x1ea0 [ 15.773244][ T649] ? __mutex_lock+0x9a3/0x1ea0 [ 15.773246][ T649] ? rtnl_newlink+0x9a8/0x11b0 [ 15.773250][ T649] ? ww_mutex_lock+0x160/0x160 [ 15.773254][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773256][ T649] ? __rtnl_newlink+0x3fa/0xa50 [ 15.773261][ T649] rtnl_newlink+0x9f1/0x11b0 [ 15.773267][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 15.773269][ T649] ? __lock_acquire+0x518/0xc20 [ 15.773273][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 15.773275][ T649] ? find_held_lock+0x2b/0x80 [ 15.773277][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 15.773279][ T649] ? __lock_release.isra.0+0x69/0x1a0 [ 15.773283][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 15.773285][ T649] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.773289][ T649] ? rtnl_link_fill+0x920/0x920 [ 15.773290][ T649] ? __lock_acquire+0x518/0xc20 [ 15.773295][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 15.773297][ T649] ? find_held_lock+0x2b/0x80 [ 15.773300][ T649] netlink_rcv_skb+0x14e/0x3a0 [ 15.773303][ T649] ? rtnl_link_fill+0x920/0x920 [ 15.773306][ T649] ? netlink_ack+0xcf0/0xcf0 [ 15.773313][ T649] ? netlink_deliver_tap+0xc5/0x330 [ 15.773315][ T649] ? netlink_deliver_tap+0x13c/0x330 [ 15.773320][ T649] netlink_unicast+0x486/0x750 [ 15.773324][ T649] ? netlink_attachskb+0x810/0x810 [ 15.773327][ T649] ? find_held_lock+0x2b/0x80 [ 15.773331][ T649] netlink_sendmsg+0x75b/0xc90 [ 15.773335][ T649] ? netlink_unicast+0x750/0x750 [ 15.773339][ T649] ? __lock_release.isra.0+0x69/0x1a0 [ 15.773341][ T649] ? __import_iovec+0x36c/0x620 [ 15.773346][ T649] __sock_sendmsg+0xce/0x190 [ 15.773349][ T649] ____sys_sendmsg+0x61a/0x860 [ 15.773351][ T649] ? copy_msghdr_from_user+0x279/0x420 [ 15.773354][ T649] ? sock_write_iter+0x400/0x400 [ 15.773355][ T649] ? move_addr_to_kernel+0x40/0x40 [ 15.773363][ T649] ___sys_sendmsg+0x14e/0x1d0 [ 15.773366][ T649] ? copy_msghdr_from_user+0x420/0x420 [ 15.773382][ T649] __sys_sendmsg+0x12c/0x1d0 [ 15.773385][ T649] ? __sys_sendmsg_sock+0x20/0x20 [ 15.773392][ T649] ? rcu_is_watching+0x16/0xd0 [ 15.773395][ T649] do_syscall_64+0xff/0x530 [ 15.773398][ T649] ? exc_page_fault+0xee/0x100 [ 15.773401][ T649] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.773403][ T649] RIP: 0033:0x7f6179ee754e [ 15.773406][ T649] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 15.773407][ T649] RSP: 002b:00007ffe33ef3fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.773410][ T649] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6179ee754e [ 15.773411][ T649] RDX: 0000000000000000 RSI: 00007ffe33ef4070 RDI: 0000000000000005 [ 15.773412][ T649] RBP: 00007ffe33ef3fd0 R08: 0000000000000000 R09: 0000000000000000 [ 15.773413][ T649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918687 [ 15.773414][ T649] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe33ef4730 [ 15.773426][ T649] [ 16.135472][ T46] br: port 1(d1) entered blocking state [ 16.135720][ T46] br: port 1(d1) entered forwarding state [ 16.215652][ T695] br: port 2(d2) entered disabled state [ 16.517649][ T733] br: port 2(d2) entered blocking state [ 16.517920][ T733] br: port 2(d2) entered forwarding state [ 16.591935][ T741] br: port 1(d1) entered disabled state [ 16.675341][ T749] br: port 2(d2) entered disabled state [ 16.996380][ T46] br: port 2(d2) entered blocking state [ 16.996400][ T46] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.996402][ T46] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 46, name: kworker/u17:1 [ 16.996404][ T46] preempt_count: 202, expected: 0 [ 16.996405][ T46] RCU nest depth: 0, expected: 0 [ 16.996406][ T46] locks held by kworker/u17:1/46: 8, last CPU#2: [ 16.996408][ T46] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 16.996427][ T46] #1: ffa000000032fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 16.996431][ T46] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 16.996437][ T46] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 16.996442][ T46] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.996446][ T46] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.996450][ T46] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.996454][ T46] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.996458][ T46] irq event stamp: 75697 [ 16.996459][ T46] hardirqs last enabled at (75696): [] __down_trylock_console_sem+0x86/0xa0 [ 16.996462][ T46] hardirqs last disabled at (75697): [] console_emit_next_record+0x3d4/0x4c0 [ 16.996464][ T46] softirqs last enabled at (75658): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 16.996467][ T46] softirqs last disabled at (75692): [] br_port_carrier_check+0x161/0x430 [ 16.996470][ T46] Preemption disabled at: [ 16.996470][ T46] [<0000000000000000>] 0x0 [ 16.996478][ T46] CPU: 2 UID: 0 PID: 46 Comm: kworker/u17:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.996482][ T46] Tainted: [W]=WARN [ 16.996483][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.996485][ T46] Workqueue: events_unbound linkwatch_event [ 16.996488][ T46] Call Trace: [ 16.996490][ T46] [ 16.996492][ T46] dump_stack_lvl+0x6f/0xa0 [ 16.996498][ T46] __might_resched.cold+0x1fe/0x2c1 [ 16.996503][ T46] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.996507][ T46] ? __kmalloc_noprof+0xdb/0x760 [ 16.996511][ T46] __kmalloc_noprof+0x443/0x760 [ 16.996513][ T46] ? alloc_buf.isra.0+0x4b/0x260 [ 16.996520][ T46] ? do_raw_spin_unlock+0x59/0x250 [ 16.996523][ T46] alloc_buf.isra.0+0x4b/0x260 [ 16.996527][ T46] put_chars+0x1e1/0x2f0 [ 16.996529][ T46] ? __send_to_port+0x420/0x420 [ 16.996532][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.996535][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.996538][ T46] ? validate_chain+0x38b/0xc20 [ 16.996542][ T46] hvc_console_print+0x292/0x780 [ 16.996546][ T46] ? mark_usage+0x61/0x170 [ 16.996548][ T46] ? __lock_acquire+0x518/0xc20 [ 16.996550][ T46] ? __lock_acquire+0x518/0xc20 [ 16.996554][ T46] ? hvc_write+0x3a0/0x3a0 [ 16.996556][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 16.996561][ T46] ? lock_acquire+0x13c/0x160 [ 16.996565][ T46] console_emit_next_record+0x22f/0x4c0 [ 16.996569][ T46] ? devkmsg_read+0x4b0/0x4b0 [ 16.996571][ T46] ? console_flush_one_record+0x106/0x710 [ 16.996574][ T46] ? rcu_is_watching+0x16/0xd0 [ 16.996576][ T46] ? lock_acquire+0x13c/0x160 [ 16.996580][ T46] console_flush_one_record+0x46f/0x710 [ 16.996585][ T46] ? console_emit_next_record+0x4c0/0x4c0 [ 16.996586][ T46] ? __lock_acquire+0x518/0xc20 [ 16.996592][ T46] console_unlock+0xee/0x1f0 [ 16.996595][ T46] ? console_flush_one_record+0x710/0x710 [ 16.996597][ T46] ? rcu_is_watching+0x16/0xd0 [ 16.996599][ T46] ? lock_acquire+0xe0/0x160 [ 16.996602][ T46] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.996604][ T46] ? vprintk_emit+0x320/0x3e0 [ 16.996607][ T46] vprintk_emit+0x37c/0x3e0 [ 16.996610][ T46] ? wake_up_klogd_work_func+0x90/0x90 [ 16.996612][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.996614][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.996618][ T46] _printk+0xc7/0x100 [ 16.996622][ T46] ? snapshot_read.cold+0x21/0x21 [ 16.996627][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 16.996631][ T46] br_set_state+0x22f/0x430 [ 16.996635][ T46] br_init_port+0xc4/0x200 [ 16.996638][ T46] br_stp_enable_port+0x12/0x50 [ 16.996640][ T46] br_port_carrier_check+0x220/0x430 [ 16.996644][ T46] br_device_event+0x52d/0x8f0 [ 16.996647][ T46] ? packet_sendmsg_spkt+0x1360/0x1360 [ 16.996649][ T46] ? nlmsg_notify+0x62/0x250 [ 16.996656][ T46] notifier_call_chain+0xae/0x300 [ 16.996662][ T46] netif_state_change+0x139/0x3d0 [ 16.996667][ T46] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 16.996672][ T46] ? linkwatch_do_dev+0xae/0xd0 [ 16.996674][ T46] __linkwatch_run_queue+0x350/0x850 [ 16.996677][ T46] ? linkwatch_do_dev+0xd0/0xd0 [ 16.996680][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 16.996684][ T46] linkwatch_event+0x7f/0xb0 [ 16.996686][ T46] ? __linkwatch_run_queue+0x850/0x850 [ 16.996690][ T46] process_one_work+0xe3e/0x1560 [ 16.996697][ T46] ? __queue_delayed_work+0x470/0x470 [ 16.996700][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 16.996707][ T46] worker_thread+0x4f1/0xd60 [ 16.996715][ T46] ? rescuer_thread+0x1340/0x1340 [ 16.996717][ T46] kthread+0x367/0x460 [ 16.996719][ T46] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 16.996722][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.996725][ T46] ret_from_fork+0x474/0x6b0 [ 16.996729][ T46] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 16.996733][ T46] ? __switch_to+0x5a3/0xe00 [ 16.996736][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 16.996739][ T46] ret_from_fork_asm+0x11/0x20 [ 16.996748][ T46] [ 17.024397][ T46] br: port 2(d2) entered forwarding state [ 17.025881][ T39] br: port 1(d1) entered blocking state [ 17.026120][ T39] br: port 1(d1) entered forwarding state [ 17.125625][ T797] br: port 1(d1) entered disabled state [ 17.197612][ T805] br: port 2(d2) entered disabled state [ 17.283632][ T813] br: port 3(d3) entered disabled state [ 18.164452][ T46] br: port 3(d3) entered blocking state [ 18.164473][ T46] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.164475][ T46] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 46, name: kworker/u17:1 [ 18.164477][ T46] preempt_count: 202, expected: 0 [ 18.164478][ T46] RCU nest depth: 0, expected: 0 [ 18.164479][ T46] locks held by kworker/u17:1/46: 8, last CPU#2: [ 18.164481][ T46] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 18.164495][ T46] #1: ffa000000032fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 18.164500][ T46] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 18.164506][ T46] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 18.164512][ T46] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.164517][ T46] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.164521][ T46] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.164525][ T46] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.164529][ T46] irq event stamp: 119129 [ 18.164530][ T46] hardirqs last enabled at (119128): [] __down_trylock_console_sem+0x86/0xa0 [ 18.164533][ T46] hardirqs last disabled at (119129): [] console_emit_next_record+0x3d4/0x4c0 [ 18.164535][ T46] softirqs last enabled at (119090): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 18.164538][ T46] softirqs last disabled at (119124): [] br_port_carrier_check+0x161/0x430 [ 18.164541][ T46] Preemption disabled at: [ 18.164541][ T46] [<0000000000000000>] 0x0 [ 18.164548][ T46] CPU: 2 UID: 0 PID: 46 Comm: kworker/u17:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.164552][ T46] Tainted: [W]=WARN [ 18.164552][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.164554][ T46] Workqueue: events_unbound linkwatch_event [ 18.164557][ T46] Call Trace: [ 18.164559][ T46] [ 18.164561][ T46] dump_stack_lvl+0x6f/0xa0 [ 18.164567][ T46] __might_resched.cold+0x1fe/0x2c1 [ 18.164572][ T46] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.164576][ T46] ? __kmalloc_noprof+0xdb/0x760 [ 18.164580][ T46] __kmalloc_noprof+0x443/0x760 [ 18.164582][ T46] ? alloc_buf.isra.0+0x4b/0x260 [ 18.164589][ T46] ? do_raw_spin_unlock+0x59/0x250 [ 18.164592][ T46] alloc_buf.isra.0+0x4b/0x260 [ 18.164596][ T46] put_chars+0x1e1/0x2f0 [ 18.164599][ T46] ? __send_to_port+0x420/0x420 [ 18.164602][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.164605][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.164608][ T46] ? validate_chain+0x38b/0xc20 [ 18.164612][ T46] hvc_console_print+0x292/0x780 [ 18.164616][ T46] ? mark_usage+0x61/0x170 [ 18.164618][ T46] ? __lock_acquire+0x518/0xc20 [ 18.164620][ T46] ? __lock_acquire+0x518/0xc20 [ 18.164625][ T46] ? hvc_write+0x3a0/0x3a0 [ 18.164627][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 18.164631][ T46] ? lock_acquire+0x13c/0x160 [ 18.164635][ T46] console_emit_next_record+0x22f/0x4c0 [ 18.164639][ T46] ? devkmsg_read+0x4b0/0x4b0 [ 18.164641][ T46] ? console_flush_one_record+0x106/0x710 [ 18.164645][ T46] ? rcu_is_watching+0x16/0xd0 [ 18.164647][ T46] ? lock_acquire+0x13c/0x160 [ 18.164651][ T46] console_flush_one_record+0x46f/0x710 [ 18.164655][ T46] ? console_emit_next_record+0x4c0/0x4c0 [ 18.164657][ T46] ? __lock_acquire+0x518/0xc20 [ 18.164663][ T46] console_unlock+0xee/0x1f0 [ 18.164666][ T46] ? console_flush_one_record+0x710/0x710 [ 18.164668][ T46] ? rcu_is_watching+0x16/0xd0 [ 18.164669][ T46] ? lock_acquire+0xe0/0x160 [ 18.164673][ T46] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.164675][ T46] ? vprintk_emit+0x320/0x3e0 [ 18.164678][ T46] vprintk_emit+0x37c/0x3e0 [ 18.164681][ T46] ? wake_up_klogd_work_func+0x90/0x90 [ 18.164683][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.164685][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.164689][ T46] _printk+0xc7/0x100 [ 18.164692][ T46] ? snapshot_read.cold+0x21/0x21 [ 18.164698][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 18.164702][ T46] br_set_state+0x22f/0x430 [ 18.164706][ T46] br_init_port+0xc4/0x200 [ 18.164709][ T46] br_stp_enable_port+0x12/0x50 [ 18.164710][ T46] br_port_carrier_check+0x220/0x430 [ 18.164714][ T46] br_device_event+0x52d/0x8f0 [ 18.164718][ T46] ? packet_sendmsg_spkt+0x1360/0x1360 [ 18.164720][ T46] ? nlmsg_notify+0x62/0x250 [ 18.164727][ T46] notifier_call_chain+0xae/0x300 [ 18.164733][ T46] netif_state_change+0x139/0x3d0 [ 18.164738][ T46] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 18.164743][ T46] ? linkwatch_do_dev+0xae/0xd0 [ 18.164745][ T46] __linkwatch_run_queue+0x350/0x850 [ 18.164748][ T46] ? linkwatch_do_dev+0xd0/0xd0 [ 18.164750][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 18.164755][ T46] linkwatch_event+0x7f/0xb0 [ 18.164757][ T46] ? __linkwatch_run_queue+0x850/0x850 [ 18.164760][ T46] process_one_work+0xe3e/0x1560 [ 18.164767][ T46] ? __queue_delayed_work+0x470/0x470 [ 18.164770][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 18.164778][ T46] worker_thread+0x4f1/0xd60 [ 18.164785][ T46] ? rescuer_thread+0x1340/0x1340 [ 18.164787][ T46] kthread+0x367/0x460 [ 18.164789][ T46] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 18.164793][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 18.164795][ T46] ret_from_fork+0x474/0x6b0 [ 18.164800][ T46] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 18.164803][ T46] ? __switch_to+0x5a3/0xe00 [ 18.164807][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 18.164809][ T46] ret_from_fork_asm+0x11/0x20 [ 18.164818][ T46] [ 18.197098][ T46] br: port 3(d3) entered forwarding state [ 18.205519][ T46] br: port 2(d2) entered blocking state [ 18.205811][ T46] br: port 2(d2) entered forwarding state [ 18.229265][ T39] br: port 1(d1) entered blocking state [ 18.235376][ T39] br: port 1(d1) entered forwarding state [ 19.004527][ T973] br: port 1(d1) entered disabled state [ 19.336030][ T1011] br: port 1(d1) entered blocking state [ 19.336051][ T1011] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.336053][ T1011] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1011, name: ip [ 19.336055][ T1011] preempt_count: 202, expected: 0 [ 19.336056][ T1011] RCU nest depth: 0, expected: 0 [ 19.336057][ T1011] locks held by ip/1011: 6, last CPU#1: [ 19.336059][ T1011] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 19.336071][ T1011] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 19.336077][ T1011] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.336082][ T1011] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.336089][ T1011] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.336092][ T1011] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.336096][ T1011] irq event stamp: 26367 [ 19.336097][ T1011] hardirqs last enabled at (26366): [] __down_trylock_console_sem+0x86/0xa0 [ 19.336101][ T1011] hardirqs last disabled at (26367): [] console_emit_next_record+0x3d4/0x4c0 [ 19.336103][ T1011] softirqs last enabled at (26328): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 19.336105][ T1011] softirqs last disabled at (26362): [] br_device_event+0x5fd/0x8f0 [ 19.336108][ T1011] Preemption disabled at: [ 19.336109][ T1011] [<0000000000000000>] 0x0 [ 19.336115][ T1011] CPU: 1 UID: 0 PID: 1011 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.336119][ T1011] Tainted: [W]=WARN [ 19.336120][ T1011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.336121][ T1011] Call Trace: [ 19.336123][ T1011] [ 19.336124][ T1011] dump_stack_lvl+0x6f/0xa0 [ 19.336131][ T1011] __might_resched.cold+0x1fe/0x2c1 [ 19.336135][ T1011] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.336140][ T1011] ? __kmalloc_noprof+0xdb/0x760 [ 19.336144][ T1011] __kmalloc_noprof+0x443/0x760 [ 19.336146][ T1011] ? alloc_buf.isra.0+0x4b/0x260 [ 19.336153][ T1011] ? do_raw_spin_unlock+0x59/0x250 [ 19.336156][ T1011] alloc_buf.isra.0+0x4b/0x260 [ 19.336159][ T1011] put_chars+0x1e1/0x2f0 [ 19.336162][ T1011] ? __send_to_port+0x420/0x420 [ 19.336163][ T1011] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.336167][ T1011] ? validate_chain+0x38b/0xc20 [ 19.336172][ T1011] hvc_console_print+0x292/0x780 [ 19.336180][ T1011] ? hvc_write+0x3a0/0x3a0 [ 19.336182][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336184][ T1011] ? lock_acquire+0x13c/0x160 [ 19.336189][ T1011] console_emit_next_record+0x22f/0x4c0 [ 19.336193][ T1011] ? devkmsg_read+0x4b0/0x4b0 [ 19.336194][ T1011] ? console_flush_one_record+0x106/0x710 [ 19.336198][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336199][ T1011] ? lock_acquire+0x13c/0x160 [ 19.336203][ T1011] console_flush_one_record+0x46f/0x710 [ 19.336207][ T1011] ? console_emit_next_record+0x4c0/0x4c0 [ 19.336209][ T1011] ? __lock_acquire+0x518/0xc20 [ 19.336215][ T1011] console_unlock+0xee/0x1f0 [ 19.336217][ T1011] ? console_flush_one_record+0x710/0x710 [ 19.336219][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336221][ T1011] ? lock_acquire+0xe0/0x160 [ 19.336225][ T1011] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.336226][ T1011] ? vprintk_emit+0x320/0x3e0 [ 19.336229][ T1011] vprintk_emit+0x37c/0x3e0 [ 19.336232][ T1011] ? wake_up_klogd_work_func+0x90/0x90 [ 19.336234][ T1011] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.336236][ T1011] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.336241][ T1011] _printk+0xc7/0x100 [ 19.336245][ T1011] ? snapshot_read.cold+0x21/0x21 [ 19.336250][ T1011] ? lock_acquire.part.0+0xd4/0x280 [ 19.336254][ T1011] br_set_state+0x22f/0x430 [ 19.336258][ T1011] br_init_port+0xc4/0x200 [ 19.336261][ T1011] br_stp_enable_port+0x12/0x50 [ 19.336263][ T1011] br_device_event+0x605/0x8f0 [ 19.336265][ T1011] ? packet_sendmsg_spkt+0x1360/0x1360 [ 19.336267][ T1011] ? nlmsg_notify+0x62/0x250 [ 19.336274][ T1011] notifier_call_chain+0xae/0x300 [ 19.336280][ T1011] __dev_notify_flags+0x1b7/0x450 [ 19.336285][ T1011] ? netif_change_name+0x8c0/0x8c0 [ 19.336289][ T1011] ? netif_set_allmulti+0x2c0/0x2c0 [ 19.336291][ T1011] ? kernel_text_address+0x149/0x170 [ 19.336294][ T1011] ? __kernel_text_address+0x12/0x30 [ 19.336296][ T1011] ? write_profile+0xf0/0xf0 [ 19.336301][ T1011] netif_change_flags+0xfe/0x190 [ 19.336304][ T1011] do_setlink.isra.0+0x1d25/0x2a60 [ 19.336308][ T1011] ? stack_trace_save+0x93/0xc0 [ 19.336310][ T1011] ? rtnl_link_get_size+0x350/0x350 [ 19.336311][ T1011] ? rcu_read_lock_any_held+0x66/0x90 [ 19.336313][ T1011] ? stack_depot_save_flags+0x38e/0x790 [ 19.336317][ T1011] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.336318][ T1011] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.336320][ T1011] ? validate_chain+0x38b/0xc20 [ 19.336323][ T1011] ? kasan_save_stack+0x3d/0x50 [ 19.336325][ T1011] ? kasan_save_stack+0x2f/0x50 [ 19.336326][ T1011] ? kasan_save_track+0x14/0x30 [ 19.336327][ T1011] ? __kasan_kmalloc+0x7b/0x90 [ 19.336330][ T1011] ? __lock_acquire+0x518/0xc20 [ 19.336332][ T1011] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 19.336334][ T1011] ? ___sys_sendmsg+0xd0/0x1d0 [ 19.336338][ T1011] ? lock_acquire.part.0+0xd4/0x280 [ 19.336340][ T1011] ? rtnl_newlink+0x9a8/0x11b0 [ 19.336343][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336344][ T1011] ? lock_acquire+0x13c/0x160 [ 19.336346][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336347][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336349][ T1011] ? trace_contention_end+0xb3/0x180 [ 19.336351][ T1011] ? __mutex_lock+0x1db/0x1ea0 [ 19.336354][ T1011] ? __mutex_lock+0x9a3/0x1ea0 [ 19.336356][ T1011] ? rtnl_newlink+0x9a8/0x11b0 [ 19.336359][ T1011] ? ww_mutex_lock+0x160/0x160 [ 19.336363][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336365][ T1011] ? __rtnl_newlink+0x3fa/0xa50 [ 19.336370][ T1011] rtnl_newlink+0x9f1/0x11b0 [ 19.336376][ T1011] ? rtnl_bridge_getlink+0x850/0x850 [ 19.336377][ T1011] ? __lock_acquire+0x518/0xc20 [ 19.336382][ T1011] ? lock_acquire.part.0+0xd4/0x280 [ 19.336384][ T1011] ? find_held_lock+0x2b/0x80 [ 19.336386][ T1011] ? rtnl_bridge_getlink+0x850/0x850 [ 19.336388][ T1011] ? __lock_release.isra.0+0x69/0x1a0 [ 19.336392][ T1011] ? rtnl_bridge_getlink+0x850/0x850 [ 19.336394][ T1011] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.336397][ T1011] ? rtnl_link_fill+0x920/0x920 [ 19.336398][ T1011] ? __lock_acquire+0x518/0xc20 [ 19.336403][ T1011] ? lock_acquire.part.0+0xd4/0x280 [ 19.336404][ T1011] ? find_held_lock+0x2b/0x80 [ 19.336408][ T1011] netlink_rcv_skb+0x14e/0x3a0 [ 19.336410][ T1011] ? rtnl_link_fill+0x920/0x920 [ 19.336413][ T1011] ? netlink_ack+0xcf0/0xcf0 [ 19.336419][ T1011] ? netlink_deliver_tap+0xc5/0x330 [ 19.336421][ T1011] ? netlink_deliver_tap+0x13c/0x330 [ 19.336426][ T1011] netlink_unicast+0x486/0x750 [ 19.336435][ T1011] ? netlink_attachskb+0x810/0x810 [ 19.336437][ T1011] ? find_held_lock+0x2b/0x80 [ 19.336442][ T1011] netlink_sendmsg+0x75b/0xc90 [ 19.336445][ T1011] ? netlink_unicast+0x750/0x750 [ 19.336449][ T1011] ? __lock_release.isra.0+0x69/0x1a0 [ 19.336451][ T1011] ? __import_iovec+0x36c/0x620 [ 19.336456][ T1011] __sock_sendmsg+0xce/0x190 [ 19.336459][ T1011] ____sys_sendmsg+0x61a/0x860 [ 19.336461][ T1011] ? copy_msghdr_from_user+0x279/0x420 [ 19.336463][ T1011] ? sock_write_iter+0x400/0x400 [ 19.336465][ T1011] ? move_addr_to_kernel+0x40/0x40 [ 19.336472][ T1011] ___sys_sendmsg+0x14e/0x1d0 [ 19.336475][ T1011] ? copy_msghdr_from_user+0x420/0x420 [ 19.336492][ T1011] __sys_sendmsg+0x12c/0x1d0 [ 19.336496][ T1011] ? __sys_sendmsg_sock+0x20/0x20 [ 19.336502][ T1011] ? rcu_is_watching+0x16/0xd0 [ 19.336505][ T1011] do_syscall_64+0xff/0x530 [ 19.336508][ T1011] ? exc_page_fault+0xee/0x100 [ 19.336510][ T1011] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.336513][ T1011] RIP: 0033:0x7f74d210554e [ 19.336515][ T1011] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 19.336517][ T1011] RSP: 002b:00007ffd45fcec30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.336519][ T1011] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f74d210554e [ 19.336521][ T1011] RDX: 0000000000000000 RSI: 00007ffd45fcece0 RDI: 0000000000000005 [ 19.336521][ T1011] RBP: 00007ffd45fcec40 R08: 0000000000000000 R09: 0000000000000000 [ 19.336522][ T1011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91868a [ 19.336523][ T1011] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd45fcf3a0 [ 19.336530][ T1011] [ 19.372784][ T1011] br: port 1(d1) entered forwarding state [ 19.463485][ T1019] br: port 2(d2) entered disabled state [ 19.788450][ T1057] br: port 2(d2) entered blocking state [ 19.788763][ T1057] br: port 2(d2) entered forwarding state [ 19.871916][ T1065] br: port 1(d1) entered disabled state [ 19.953047][ T1073] br: port 2(d2) entered disabled state [ 20.272232][ T1111] br: port 2(d2) entered blocking state [ 20.272552][ T1111] br: port 2(d2) entered forwarding state [ 20.300014][ T39] br: port 1(d1) entered blocking state [ 20.300256][ T39] br: port 1(d1) entered forwarding state [ 20.376922][ T1121] br: port 1(d1) entered disabled state [ 20.376938][ T1121] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.376940][ T1121] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1121, name: ip [ 20.376941][ T1121] preempt_count: 202, expected: 0 [ 20.376942][ T1121] RCU nest depth: 0, expected: 0 [ 20.376943][ T1121] locks held by ip/1121: 6, last CPU#3: [ 20.376945][ T1121] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 20.376958][ T1121] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 20.376963][ T1121] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.376970][ T1121] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.376974][ T1121] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.376978][ T1121] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.376982][ T1121] irq event stamp: 21645 [ 20.376983][ T1121] hardirqs last enabled at (21644): [] __down_trylock_console_sem+0x86/0xa0 [ 20.376987][ T1121] hardirqs last disabled at (21645): [] console_emit_next_record+0x3d4/0x4c0 [ 20.376989][ T1121] softirqs last enabled at (21628): [] ipv6_mc_down+0x134/0x2d0 [ 20.376992][ T1121] softirqs last disabled at (21640): [] br_device_event+0x1d7/0x8f0 [ 20.376994][ T1121] Preemption disabled at: [ 20.376995][ T1121] [<0000000000000000>] 0x0 [ 20.377002][ T1121] CPU: 3 UID: 0 PID: 1121 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.377006][ T1121] Tainted: [W]=WARN [ 20.377007][ T1121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.377008][ T1121] Call Trace: [ 20.377010][ T1121] [ 20.377011][ T1121] dump_stack_lvl+0x6f/0xa0 [ 20.377018][ T1121] __might_resched.cold+0x1fe/0x2c1 [ 20.377023][ T1121] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.377027][ T1121] ? __kmalloc_noprof+0xdb/0x760 [ 20.377032][ T1121] __kmalloc_noprof+0x443/0x760 [ 20.377033][ T1121] ? alloc_buf.isra.0+0x4b/0x260 [ 20.377040][ T1121] ? do_raw_spin_unlock+0x59/0x250 [ 20.377042][ T1121] alloc_buf.isra.0+0x4b/0x260 [ 20.377046][ T1121] put_chars+0x1e1/0x2f0 [ 20.377049][ T1121] ? __send_to_port+0x420/0x420 [ 20.377055][ T1121] hvc_console_print+0x292/0x780 [ 20.377062][ T1121] ? hvc_write+0x3a0/0x3a0 [ 20.377066][ T1121] ? lock_acquire+0x13c/0x160 [ 20.377070][ T1121] console_emit_next_record+0x22f/0x4c0 [ 20.377074][ T1121] ? devkmsg_read+0x4b0/0x4b0 [ 20.377076][ T1121] ? console_flush_one_record+0x106/0x710 [ 20.377079][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377082][ T1121] ? lock_acquire+0x13c/0x160 [ 20.377086][ T1121] console_flush_one_record+0x46f/0x710 [ 20.377090][ T1121] ? console_emit_next_record+0x4c0/0x4c0 [ 20.377092][ T1121] ? __lock_acquire+0x518/0xc20 [ 20.377097][ T1121] console_unlock+0xee/0x1f0 [ 20.377100][ T1121] ? console_flush_one_record+0x710/0x710 [ 20.377102][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377104][ T1121] ? lock_acquire+0xe0/0x160 [ 20.377107][ T1121] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.377109][ T1121] ? vprintk_emit+0x320/0x3e0 [ 20.377112][ T1121] vprintk_emit+0x37c/0x3e0 [ 20.377115][ T1121] ? wake_up_klogd_work_func+0x90/0x90 [ 20.377116][ T1121] ? mark_held_locks+0x40/0x70 [ 20.377119][ T1121] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.377121][ T1121] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.377125][ T1121] _printk+0xc7/0x100 [ 20.377129][ T1121] ? snapshot_read.cold+0x21/0x21 [ 20.377136][ T1121] br_set_state+0x22f/0x430 [ 20.377141][ T1121] br_stp_disable_port+0x11f/0x390 [ 20.377144][ T1121] br_device_event+0x7b5/0x8f0 [ 20.377146][ T1121] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 20.377150][ T1121] ? packet_sendmsg_spkt+0x1360/0x1360 [ 20.377156][ T1121] notifier_call_chain+0xae/0x300 [ 20.377161][ T1121] __dev_notify_flags+0x23c/0x450 [ 20.377167][ T1121] ? netif_change_name+0x8c0/0x8c0 [ 20.377171][ T1121] ? netif_set_allmulti+0x2c0/0x2c0 [ 20.377174][ T1121] ? __kernel_text_address+0x12/0x30 [ 20.377176][ T1121] ? write_profile+0xf0/0xf0 [ 20.377181][ T1121] netif_change_flags+0xfe/0x190 [ 20.377185][ T1121] do_setlink.isra.0+0x1d25/0x2a60 [ 20.377189][ T1121] ? stack_trace_save+0x93/0xc0 [ 20.377191][ T1121] ? rtnl_link_get_size+0x350/0x350 [ 20.377192][ T1121] ? rcu_read_lock_any_held+0x66/0x90 [ 20.377194][ T1121] ? stack_depot_save_flags+0x38e/0x790 [ 20.377197][ T1121] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.377199][ T1121] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.377201][ T1121] ? validate_chain+0x38b/0xc20 [ 20.377203][ T1121] ? kasan_save_stack+0x3d/0x50 [ 20.377206][ T1121] ? kasan_save_stack+0x2f/0x50 [ 20.377207][ T1121] ? kasan_save_track+0x14/0x30 [ 20.377208][ T1121] ? __kasan_kmalloc+0x7b/0x90 [ 20.377211][ T1121] ? __lock_acquire+0x518/0xc20 [ 20.377212][ T1121] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 20.377215][ T1121] ? ___sys_sendmsg+0xd0/0x1d0 [ 20.377219][ T1121] ? lock_acquire.part.0+0xd4/0x280 [ 20.377221][ T1121] ? rtnl_newlink+0x9a8/0x11b0 [ 20.377223][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377225][ T1121] ? lock_acquire+0x13c/0x160 [ 20.377227][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377228][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377230][ T1121] ? trace_contention_end+0xb3/0x180 [ 20.377232][ T1121] ? __mutex_lock+0x1db/0x1ea0 [ 20.377233][ T1121] ? __mutex_lock+0x9a3/0x1ea0 [ 20.377235][ T1121] ? rtnl_newlink+0x9a8/0x11b0 [ 20.377238][ T1121] ? ww_mutex_lock+0x160/0x160 [ 20.377242][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377244][ T1121] ? __rtnl_newlink+0x3fa/0xa50 [ 20.377249][ T1121] rtnl_newlink+0x9f1/0x11b0 [ 20.377254][ T1121] ? rtnl_bridge_getlink+0x850/0x850 [ 20.377256][ T1121] ? __lock_acquire+0x518/0xc20 [ 20.377261][ T1121] ? lock_acquire.part.0+0xd4/0x280 [ 20.377263][ T1121] ? find_held_lock+0x2b/0x80 [ 20.377265][ T1121] ? rtnl_bridge_getlink+0x850/0x850 [ 20.377267][ T1121] ? __lock_release.isra.0+0x69/0x1a0 [ 20.377271][ T1121] ? rtnl_bridge_getlink+0x850/0x850 [ 20.377273][ T1121] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.377276][ T1121] ? rtnl_link_fill+0x920/0x920 [ 20.377277][ T1121] ? __lock_acquire+0x518/0xc20 [ 20.377281][ T1121] ? lock_acquire.part.0+0xd4/0x280 [ 20.377283][ T1121] ? find_held_lock+0x2b/0x80 [ 20.377287][ T1121] netlink_rcv_skb+0x14e/0x3a0 [ 20.377290][ T1121] ? rtnl_link_fill+0x920/0x920 [ 20.377293][ T1121] ? netlink_ack+0xcf0/0xcf0 [ 20.377299][ T1121] ? netlink_deliver_tap+0xc5/0x330 [ 20.377301][ T1121] ? netlink_deliver_tap+0x13c/0x330 [ 20.377306][ T1121] netlink_unicast+0x486/0x750 [ 20.377310][ T1121] ? netlink_attachskb+0x810/0x810 [ 20.377312][ T1121] ? find_held_lock+0x2b/0x80 [ 20.377316][ T1121] netlink_sendmsg+0x75b/0xc90 [ 20.377320][ T1121] ? netlink_unicast+0x750/0x750 [ 20.377324][ T1121] ? __lock_release.isra.0+0x69/0x1a0 [ 20.377326][ T1121] ? __import_iovec+0x36c/0x620 [ 20.377331][ T1121] __sock_sendmsg+0xce/0x190 [ 20.377334][ T1121] ____sys_sendmsg+0x61a/0x860 [ 20.377336][ T1121] ? copy_msghdr_from_user+0x279/0x420 [ 20.377338][ T1121] ? sock_write_iter+0x400/0x400 [ 20.377340][ T1121] ? move_addr_to_kernel+0x40/0x40 [ 20.377347][ T1121] ___sys_sendmsg+0x14e/0x1d0 [ 20.377350][ T1121] ? copy_msghdr_from_user+0x420/0x420 [ 20.377366][ T1121] __sys_sendmsg+0x12c/0x1d0 [ 20.377369][ T1121] ? __sys_sendmsg_sock+0x20/0x20 [ 20.377375][ T1121] ? rcu_is_watching+0x16/0xd0 [ 20.377378][ T1121] do_syscall_64+0xff/0x530 [ 20.377381][ T1121] ? exc_page_fault+0xee/0x100 [ 20.377384][ T1121] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.377386][ T1121] RIP: 0033:0x7f676349454e [ 20.377389][ T1121] 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 [ 20.377390][ T1121] RSP: 002b:00007fff8a27d960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.377393][ T1121] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f676349454e [ 20.377394][ T1121] RDX: 0000000000000000 RSI: 00007fff8a27da10 RDI: 0000000000000005 [ 20.377395][ T1121] RBP: 00007fff8a27d970 R08: 0000000000000000 R09: 0000000000000000 [ 20.377396][ T1121] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91868b [ 20.377397][ T1121] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8a27e0d0 [ 20.377403][ T1121] [ 20.487277][ T1129] br: port 2(d2) entered disabled state [ 20.575446][ T1137] br: port 3(d3) entered disabled state [ 20.906738][ T1175] br: port 3(d3) entered blocking state [ 20.907075][ T1175] br: port 3(d3) entered forwarding state [ 20.953532][ T46] br: port 2(d2) entered blocking state [ 20.953814][ T46] br: port 2(d2) entered forwarding state [ 20.989378][ T46] br: port 1(d1) entered blocking state [ 20.989625][ T46] br: port 1(d1) entered forwarding state [ 21.856407][ T1236] br: port 1(d1) entered disabled state [ 21.856427][ T1236] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.856430][ T1236] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1236, name: ip [ 21.856431][ T1236] preempt_count: 202, expected: 0 [ 21.856432][ T1236] RCU nest depth: 0, expected: 0 [ 21.856433][ T1236] locks held by ip/1236: 6, last CPU#0: [ 21.856435][ T1236] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 21.856454][ T1236] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 21.856459][ T1236] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.856465][ T1236] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.856469][ T1236] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.856473][ T1236] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.856477][ T1236] irq event stamp: 16173 [ 21.856478][ T1236] hardirqs last enabled at (16172): [] __down_trylock_console_sem+0x86/0xa0 [ 21.856481][ T1236] hardirqs last disabled at (16173): [] console_emit_next_record+0x3d4/0x4c0 [ 21.856483][ T1236] softirqs last enabled at (16156): [] ipv6_mc_down+0x134/0x2d0 [ 21.856487][ T1236] softirqs last disabled at (16168): [] br_device_event+0x1d7/0x8f0 [ 21.856489][ T1236] Preemption disabled at: [ 21.856490][ T1236] [<0000000000000000>] 0x0 [ 21.856497][ T1236] CPU: 0 UID: 0 PID: 1236 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.856501][ T1236] Tainted: [W]=WARN [ 21.856501][ T1236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.856504][ T1236] Call Trace: [ 21.856505][ T1236] [ 21.856507][ T1236] dump_stack_lvl+0x6f/0xa0 [ 21.856514][ T1236] __might_resched.cold+0x1fe/0x2c1 [ 21.856518][ T1236] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.856522][ T1236] ? __kmalloc_noprof+0xdb/0x760 [ 21.856527][ T1236] __kmalloc_noprof+0x443/0x760 [ 21.856529][ T1236] ? alloc_buf.isra.0+0x4b/0x260 [ 21.856536][ T1236] ? do_raw_spin_unlock+0x59/0x250 [ 21.856539][ T1236] alloc_buf.isra.0+0x4b/0x260 [ 21.856542][ T1236] put_chars+0x1e1/0x2f0 [ 21.856545][ T1236] ? __send_to_port+0x420/0x420 [ 21.856551][ T1236] hvc_console_print+0x292/0x780 [ 21.856559][ T1236] ? hvc_write+0x3a0/0x3a0 [ 21.856562][ T1236] ? lock_acquire+0x13c/0x160 [ 21.856567][ T1236] console_emit_next_record+0x22f/0x4c0 [ 21.856571][ T1236] ? devkmsg_read+0x4b0/0x4b0 [ 21.856573][ T1236] ? console_flush_one_record+0x106/0x710 [ 21.856576][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856579][ T1236] ? lock_acquire+0x13c/0x160 [ 21.856583][ T1236] console_flush_one_record+0x46f/0x710 [ 21.856587][ T1236] ? console_emit_next_record+0x4c0/0x4c0 [ 21.856589][ T1236] ? __lock_acquire+0x518/0xc20 [ 21.856594][ T1236] console_unlock+0xee/0x1f0 [ 21.856597][ T1236] ? console_flush_one_record+0x710/0x710 [ 21.856599][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856601][ T1236] ? lock_acquire+0xe0/0x160 [ 21.856604][ T1236] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.856606][ T1236] ? vprintk_emit+0x320/0x3e0 [ 21.856609][ T1236] vprintk_emit+0x37c/0x3e0 [ 21.856612][ T1236] ? wake_up_klogd_work_func+0x90/0x90 [ 21.856614][ T1236] ? mark_held_locks+0x40/0x70 [ 21.856616][ T1236] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.856619][ T1236] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.856623][ T1236] _printk+0xc7/0x100 [ 21.856627][ T1236] ? snapshot_read.cold+0x21/0x21 [ 21.856634][ T1236] br_set_state+0x22f/0x430 [ 21.856639][ T1236] br_stp_disable_port+0x11f/0x390 [ 21.856643][ T1236] br_device_event+0x7b5/0x8f0 [ 21.856645][ T1236] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 21.856649][ T1236] ? packet_sendmsg_spkt+0x1360/0x1360 [ 21.856655][ T1236] notifier_call_chain+0xae/0x300 [ 21.856661][ T1236] __dev_notify_flags+0x23c/0x450 [ 21.856666][ T1236] ? netif_change_name+0x8c0/0x8c0 [ 21.856670][ T1236] ? netif_set_allmulti+0x2c0/0x2c0 [ 21.856673][ T1236] ? __kernel_text_address+0x12/0x30 [ 21.856676][ T1236] ? write_profile+0xf0/0xf0 [ 21.856681][ T1236] netif_change_flags+0xfe/0x190 [ 21.856685][ T1236] do_setlink.isra.0+0x1d25/0x2a60 [ 21.856688][ T1236] ? stack_trace_save+0x93/0xc0 [ 21.856691][ T1236] ? rtnl_link_get_size+0x350/0x350 [ 21.856692][ T1236] ? rcu_read_lock_any_held+0x66/0x90 [ 21.856694][ T1236] ? stack_depot_save_flags+0x38e/0x790 [ 21.856697][ T1236] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.856699][ T1236] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.856701][ T1236] ? validate_chain+0x38b/0xc20 [ 21.856704][ T1236] ? kasan_save_stack+0x3d/0x50 [ 21.856706][ T1236] ? kasan_save_stack+0x2f/0x50 [ 21.856707][ T1236] ? kasan_save_track+0x14/0x30 [ 21.856709][ T1236] ? __kasan_kmalloc+0x7b/0x90 [ 21.856711][ T1236] ? __lock_acquire+0x518/0xc20 [ 21.856713][ T1236] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 21.856716][ T1236] ? ___sys_sendmsg+0xd0/0x1d0 [ 21.856720][ T1236] ? lock_acquire.part.0+0xd4/0x280 [ 21.856722][ T1236] ? rtnl_newlink+0x9a8/0x11b0 [ 21.856724][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856726][ T1236] ? lock_acquire+0x13c/0x160 [ 21.856728][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856729][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856731][ T1236] ? trace_contention_end+0xb3/0x180 [ 21.856733][ T1236] ? __mutex_lock+0x1db/0x1ea0 [ 21.856734][ T1236] ? __mutex_lock+0x9a3/0x1ea0 [ 21.856736][ T1236] ? rtnl_newlink+0x9a8/0x11b0 [ 21.856740][ T1236] ? ww_mutex_lock+0x160/0x160 [ 21.856744][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856746][ T1236] ? __rtnl_newlink+0x3fa/0xa50 [ 21.856751][ T1236] rtnl_newlink+0x9f1/0x11b0 [ 21.856757][ T1236] ? rtnl_bridge_getlink+0x850/0x850 [ 21.856759][ T1236] ? __lock_acquire+0x518/0xc20 [ 21.856763][ T1236] ? lock_acquire.part.0+0xd4/0x280 [ 21.856765][ T1236] ? find_held_lock+0x2b/0x80 [ 21.856768][ T1236] ? rtnl_bridge_getlink+0x850/0x850 [ 21.856769][ T1236] ? __lock_release.isra.0+0x69/0x1a0 [ 21.856773][ T1236] ? rtnl_bridge_getlink+0x850/0x850 [ 21.856776][ T1236] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 21.856779][ T1236] ? rtnl_link_fill+0x920/0x920 [ 21.856780][ T1236] ? __lock_acquire+0x518/0xc20 [ 21.856785][ T1236] ? lock_acquire.part.0+0xd4/0x280 [ 21.856787][ T1236] ? find_held_lock+0x2b/0x80 [ 21.856790][ T1236] netlink_rcv_skb+0x14e/0x3a0 [ 21.856793][ T1236] ? rtnl_link_fill+0x920/0x920 [ 21.856796][ T1236] ? netlink_ack+0xcf0/0xcf0 [ 21.856803][ T1236] ? netlink_deliver_tap+0xc5/0x330 [ 21.856805][ T1236] ? netlink_deliver_tap+0x13c/0x330 [ 21.856810][ T1236] netlink_unicast+0x486/0x750 [ 21.856814][ T1236] ? netlink_attachskb+0x810/0x810 [ 21.856816][ T1236] ? find_held_lock+0x2b/0x80 [ 21.856823][ T1236] netlink_sendmsg+0x75b/0xc90 [ 21.856827][ T1236] ? netlink_unicast+0x750/0x750 [ 21.856831][ T1236] ? __lock_release.isra.0+0x69/0x1a0 [ 21.856832][ T1236] ? __import_iovec+0x36c/0x620 [ 21.856838][ T1236] __sock_sendmsg+0xce/0x190 [ 21.856841][ T1236] ____sys_sendmsg+0x61a/0x860 [ 21.856843][ T1236] ? copy_msghdr_from_user+0x279/0x420 [ 21.856845][ T1236] ? sock_write_iter+0x400/0x400 [ 21.856847][ T1236] ? move_addr_to_kernel+0x40/0x40 [ 21.856854][ T1236] ___sys_sendmsg+0x14e/0x1d0 [ 21.856857][ T1236] ? copy_msghdr_from_user+0x420/0x420 [ 21.856873][ T1236] __sys_sendmsg+0x12c/0x1d0 [ 21.856876][ T1236] ? __sys_sendmsg_sock+0x20/0x20 [ 21.856883][ T1236] ? rcu_is_watching+0x16/0xd0 [ 21.856886][ T1236] do_syscall_64+0xff/0x530 [ 21.856889][ T1236] ? exc_page_fault+0xee/0x100 [ 21.856892][ T1236] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.856894][ T1236] RIP: 0033:0x7fc5e466a54e [ 21.856896][ T1236] 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 [ 21.856898][ T1236] RSP: 002b:00007fff751eb7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.856901][ T1236] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc5e466a54e [ 21.856902][ T1236] RDX: 0000000000000000 RSI: 00007fff751eb860 RDI: 0000000000000005 [ 21.856903][ T1236] RBP: 00007fff751eb7c0 R08: 0000000000000000 R09: 0000000000000000 [ 21.856903][ T1236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91868d [ 21.856904][ T1236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff751ebf20 [ 21.856911][ T1236] [ 22.244392][ T46] br: port 1(d1) entered blocking state [ 22.244658][ T46] br: port 1(d1) entered forwarding state [ 22.325904][ T1282] br: port 2(d2) entered disabled state [ 22.649409][ T1320] br: port 2(d2) entered blocking state [ 22.649686][ T1320] br: port 2(d2) entered forwarding state [ 22.732690][ T1328] br: port 1(d1) entered disabled state [ 22.805695][ T1336] br: port 2(d2) entered disabled state [ 23.142645][ T203] br: port 2(d2) entered blocking state [ 23.142665][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.142668][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: kworker/u18:2 [ 23.142669][ T203] preempt_count: 202, expected: 0 [ 23.142670][ T203] RCU nest depth: 0, expected: 0 [ 23.142671][ T203] locks held by kworker/u18:2/203: 8, last CPU#1: [ 23.142673][ T203] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 23.142686][ T203] #1: ffa0000001957d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 23.142691][ T203] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 23.142696][ T203] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 23.142701][ T203] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.142705][ T203] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.142709][ T203] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.142713][ T203] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.142717][ T203] irq event stamp: 47511 [ 23.142718][ T203] hardirqs last enabled at (47510): [] __down_trylock_console_sem+0x86/0xa0 [ 23.142721][ T203] hardirqs last disabled at (47511): [] console_emit_next_record+0x3d4/0x4c0 [ 23.142723][ T203] softirqs last enabled at (47472): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 23.142726][ T203] softirqs last disabled at (47506): [] br_port_carrier_check+0x161/0x430 [ 23.142728][ T203] Preemption disabled at: [ 23.142729][ T203] [<0000000000000000>] 0x0 [ 23.142736][ T203] CPU: 1 UID: 0 PID: 203 Comm: kworker/u18:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.142739][ T203] Tainted: [W]=WARN [ 23.142740][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.142742][ T203] Workqueue: events_unbound linkwatch_event [ 23.142745][ T203] Call Trace: [ 23.142746][ T203] [ 23.142748][ T203] dump_stack_lvl+0x6f/0xa0 [ 23.142755][ T203] __might_resched.cold+0x1fe/0x2c1 [ 23.142759][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.142763][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 23.142768][ T203] __kmalloc_noprof+0x443/0x760 [ 23.142769][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 23.142776][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 23.142779][ T203] alloc_buf.isra.0+0x4b/0x260 [ 23.142783][ T203] put_chars+0x1e1/0x2f0 [ 23.142786][ T203] ? __send_to_port+0x420/0x420 [ 23.142788][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.142791][ T203] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.142794][ T203] ? validate_chain+0x38b/0xc20 [ 23.142798][ T203] hvc_console_print+0x292/0x780 [ 23.142802][ T203] ? mark_usage+0x61/0x170 [ 23.142804][ T203] ? __lock_acquire+0x518/0xc20 [ 23.142806][ T203] ? __lock_acquire+0x518/0xc20 [ 23.142810][ T203] ? hvc_write+0x3a0/0x3a0 [ 23.142812][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 23.142817][ T203] ? lock_acquire+0x13c/0x160 [ 23.142821][ T203] console_emit_next_record+0x22f/0x4c0 [ 23.142825][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 23.142827][ T203] ? console_flush_one_record+0x106/0x710 [ 23.142830][ T203] ? rcu_is_watching+0x16/0xd0 [ 23.142832][ T203] ? lock_acquire+0x13c/0x160 [ 23.142836][ T203] console_flush_one_record+0x46f/0x710 [ 23.142841][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 23.142842][ T203] ? __lock_acquire+0x518/0xc20 [ 23.142848][ T203] console_unlock+0xee/0x1f0 [ 23.142851][ T203] ? console_flush_one_record+0x710/0x710 [ 23.142853][ T203] ? rcu_is_watching+0x16/0xd0 [ 23.142854][ T203] ? lock_acquire+0xe0/0x160 [ 23.142858][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.142860][ T203] ? vprintk_emit+0x320/0x3e0 [ 23.142863][ T203] vprintk_emit+0x37c/0x3e0 [ 23.142866][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 23.142868][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.142870][ T203] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.142874][ T203] _printk+0xc7/0x100 [ 23.142877][ T203] ? snapshot_read.cold+0x21/0x21 [ 23.142883][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 23.142887][ T203] br_set_state+0x22f/0x430 [ 23.142891][ T203] br_init_port+0xc4/0x200 [ 23.142893][ T203] br_stp_enable_port+0x12/0x50 [ 23.142895][ T203] br_port_carrier_check+0x220/0x430 [ 23.142899][ T203] br_device_event+0x52d/0x8f0 [ 23.142903][ T203] ? packet_sendmsg_spkt+0x1360/0x1360 [ 23.142904][ T203] ? nlmsg_notify+0x62/0x250 [ 23.142911][ T203] notifier_call_chain+0xae/0x300 [ 23.142917][ T203] netif_state_change+0x139/0x3d0 [ 23.142922][ T203] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 23.142927][ T203] ? linkwatch_do_dev+0xae/0xd0 [ 23.142929][ T203] __linkwatch_run_queue+0x350/0x850 [ 23.142932][ T203] ? linkwatch_do_dev+0xd0/0xd0 [ 23.142935][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 23.142939][ T203] linkwatch_event+0x7f/0xb0 [ 23.142941][ T203] ? __linkwatch_run_queue+0x850/0x850 [ 23.142945][ T203] process_one_work+0xe3e/0x1560 [ 23.142951][ T203] ? __queue_delayed_work+0x470/0x470 [ 23.142954][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 23.142962][ T203] worker_thread+0x4f1/0xd60 [ 23.142969][ T203] ? rescuer_thread+0x1340/0x1340 [ 23.142972][ T203] ? __kthread_parkme+0xbd/0x210 [ 23.142975][ T203] ? rescuer_thread+0x1340/0x1340 [ 23.142978][ T203] ? rescuer_thread+0x1340/0x1340 [ 23.142980][ T203] kthread+0x367/0x460 [ 23.142982][ T203] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.142985][ T203] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.142988][ T203] ret_from_fork+0x474/0x6b0 [ 23.142992][ T203] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 23.142996][ T203] ? __switch_to+0x5a3/0xe00 [ 23.142999][ T203] ? kthread_affine_preferred+0x4c0/0x4c0 [ 23.143002][ T203] ret_from_fork_asm+0x11/0x20 [ 23.143011][ T203] [ 23.167083][ T203] br: port 2(d2) entered forwarding state [ 23.196376][ T39] br: port 1(d1) entered blocking state [ 23.196656][ T39] br: port 1(d1) entered forwarding state [ 23.281781][ T1384] br: port 1(d1) entered disabled state [ 23.379858][ T1392] br: port 2(d2) entered disabled state [ 23.463675][ T1400] br: port 3(d3) entered disabled state [ 24.185384][ T38] br: port 3(d3) entered blocking state [ 24.185404][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.185407][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 24.185408][ T38] preempt_count: 202, expected: 0 [ 24.185409][ T38] RCU nest depth: 0, expected: 0 [ 24.185410][ T38] locks held by kworker/u19:0/38: 8, last CPU#3: [ 24.185412][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 24.185426][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 24.185430][ T38] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 24.185436][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 24.185441][ T38] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.185445][ T38] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.185452][ T38] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.185456][ T38] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.185460][ T38] irq event stamp: 103623 [ 24.185461][ T38] hardirqs last enabled at (103622): [] __down_trylock_console_sem+0x86/0xa0 [ 24.185464][ T38] hardirqs last disabled at (103623): [] console_emit_next_record+0x3d4/0x4c0 [ 24.185466][ T38] softirqs last enabled at (103584): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 24.185469][ T38] softirqs last disabled at (103618): [] br_port_carrier_check+0x161/0x430 [ 24.185471][ T38] Preemption disabled at: [ 24.185472][ T38] [<0000000000000000>] 0x0 [ 24.185479][ T38] CPU: 3 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.185483][ T38] Tainted: [W]=WARN [ 24.185484][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.185485][ T38] Workqueue: events_unbound linkwatch_event [ 24.185489][ T38] Call Trace: [ 24.185490][ T38] [ 24.185492][ T38] dump_stack_lvl+0x6f/0xa0 [ 24.185499][ T38] __might_resched.cold+0x1fe/0x2c1 [ 24.185503][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.185507][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 24.185512][ T38] __kmalloc_noprof+0x443/0x760 [ 24.185513][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 24.185520][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 24.185523][ T38] alloc_buf.isra.0+0x4b/0x260 [ 24.185527][ T38] put_chars+0x1e1/0x2f0 [ 24.185529][ T38] ? __send_to_port+0x420/0x420 [ 24.185532][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.185535][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.185538][ T38] ? validate_chain+0x38b/0xc20 [ 24.185542][ T38] hvc_console_print+0x292/0x780 [ 24.185546][ T38] ? mark_usage+0x61/0x170 [ 24.185548][ T38] ? __lock_acquire+0x518/0xc20 [ 24.185549][ T38] ? __lock_acquire+0x518/0xc20 [ 24.185554][ T38] ? hvc_write+0x3a0/0x3a0 [ 24.185555][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 24.185560][ T38] ? lock_acquire+0x13c/0x160 [ 24.185564][ T38] console_emit_next_record+0x22f/0x4c0 [ 24.185568][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 24.185570][ T38] ? console_flush_one_record+0x106/0x710 [ 24.185573][ T38] ? rcu_is_watching+0x16/0xd0 [ 24.185575][ T38] ? lock_acquire+0x13c/0x160 [ 24.185579][ T38] console_flush_one_record+0x46f/0x710 [ 24.185583][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 24.185585][ T38] ? __lock_acquire+0x518/0xc20 [ 24.185591][ T38] console_unlock+0xee/0x1f0 [ 24.185593][ T38] ? console_flush_one_record+0x710/0x710 [ 24.185595][ T38] ? rcu_is_watching+0x16/0xd0 [ 24.185597][ T38] ? lock_acquire+0xe0/0x160 [ 24.185601][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.185602][ T38] ? vprintk_emit+0x320/0x3e0 [ 24.185605][ T38] vprintk_emit+0x37c/0x3e0 [ 24.185608][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 24.185611][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.185612][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.185616][ T38] _printk+0xc7/0x100 [ 24.185620][ T38] ? snapshot_read.cold+0x21/0x21 [ 24.185625][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 24.185629][ T38] br_set_state+0x22f/0x430 [ 24.185633][ T38] br_init_port+0xc4/0x200 [ 24.185636][ T38] br_stp_enable_port+0x12/0x50 [ 24.185638][ T38] br_port_carrier_check+0x220/0x430 [ 24.185642][ T38] br_device_event+0x52d/0x8f0 [ 24.185645][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 24.185647][ T38] ? nlmsg_notify+0x62/0x250 [ 24.185654][ T38] notifier_call_chain+0xae/0x300 [ 24.185660][ T38] netif_state_change+0x139/0x3d0 [ 24.185665][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 24.185670][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 24.185672][ T38] __linkwatch_run_queue+0x350/0x850 [ 24.185675][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 24.185677][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 24.185682][ T38] linkwatch_event+0x7f/0xb0 [ 24.185684][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 24.185687][ T38] process_one_work+0xe3e/0x1560 [ 24.185694][ T38] ? __queue_delayed_work+0x470/0x470 [ 24.185697][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 24.185705][ T38] worker_thread+0x4f1/0xd60 [ 24.185712][ T38] ? rescuer_thread+0x1340/0x1340 [ 24.185714][ T38] kthread+0x367/0x460 [ 24.185716][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 24.185719][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.185722][ T38] ret_from_fork+0x474/0x6b0 [ 24.185726][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 24.185730][ T38] ? __switch_to+0x5a3/0xe00 [ 24.185733][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.185736][ T38] ret_from_fork_asm+0x11/0x20 [ 24.185745][ T38] [ 24.207548][ T38] br: port 3(d3) entered forwarding state [ 24.233351][ T38] br: port 2(d2) entered blocking state [ 24.233588][ T38] br: port 2(d2) entered forwarding state [ 24.261998][ T38] br: port 1(d1) entered blocking state [ 24.262266][ T38] br: port 1(d1) entered forwarding state [ 25.074133][ T1541] br: port 1(d1) entered disabled state [ 25.412265][ T1579] br: port 1(d1) entered blocking state [ 25.412286][ T1579] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.412288][ T1579] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1579, name: ip [ 25.412290][ T1579] preempt_count: 202, expected: 0 [ 25.412291][ T1579] RCU nest depth: 0, expected: 0 [ 25.412292][ T1579] locks held by ip/1579: 6, last CPU#2: [ 25.412294][ T1579] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 25.412307][ T1579] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 25.412312][ T1579] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.412317][ T1579] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.412321][ T1579] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.412325][ T1579] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.412329][ T1579] irq event stamp: 14111 [ 25.412330][ T1579] hardirqs last enabled at (14110): [] __down_trylock_console_sem+0x86/0xa0 [ 25.412333][ T1579] hardirqs last disabled at (14111): [] console_emit_next_record+0x3d4/0x4c0 [ 25.412335][ T1579] softirqs last enabled at (14072): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 25.412338][ T1579] softirqs last disabled at (14106): [] br_device_event+0x5fd/0x8f0 [ 25.412340][ T1579] Preemption disabled at: [ 25.412341][ T1579] [<0000000000000000>] 0x0 [ 25.412348][ T1579] CPU: 2 UID: 0 PID: 1579 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.412351][ T1579] Tainted: [W]=WARN [ 25.412353][ T1579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.412354][ T1579] Call Trace: [ 25.412356][ T1579] [ 25.412357][ T1579] dump_stack_lvl+0x6f/0xa0 [ 25.412364][ T1579] __might_resched.cold+0x1fe/0x2c1 [ 25.412368][ T1579] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.412373][ T1579] ? __kmalloc_noprof+0xdb/0x760 [ 25.412377][ T1579] __kmalloc_noprof+0x443/0x760 [ 25.412379][ T1579] ? alloc_buf.isra.0+0x4b/0x260 [ 25.412385][ T1579] ? do_raw_spin_unlock+0x59/0x250 [ 25.412388][ T1579] alloc_buf.isra.0+0x4b/0x260 [ 25.412392][ T1579] put_chars+0x1e1/0x2f0 [ 25.412394][ T1579] ? __send_to_port+0x420/0x420 [ 25.412395][ T1579] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.412399][ T1579] ? validate_chain+0x38b/0xc20 [ 25.412404][ T1579] hvc_console_print+0x292/0x780 [ 25.412412][ T1579] ? hvc_write+0x3a0/0x3a0 [ 25.412415][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412417][ T1579] ? lock_acquire+0x13c/0x160 [ 25.412420][ T1579] console_emit_next_record+0x22f/0x4c0 [ 25.412424][ T1579] ? devkmsg_read+0x4b0/0x4b0 [ 25.412426][ T1579] ? console_flush_one_record+0x106/0x710 [ 25.412429][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412431][ T1579] ? lock_acquire+0x13c/0x160 [ 25.412435][ T1579] console_flush_one_record+0x46f/0x710 [ 25.412439][ T1579] ? console_emit_next_record+0x4c0/0x4c0 [ 25.412441][ T1579] ? __lock_acquire+0x518/0xc20 [ 25.412446][ T1579] console_unlock+0xee/0x1f0 [ 25.412449][ T1579] ? console_flush_one_record+0x710/0x710 [ 25.412451][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412458][ T1579] ? lock_acquire+0xe0/0x160 [ 25.412462][ T1579] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.412463][ T1579] ? vprintk_emit+0x320/0x3e0 [ 25.412466][ T1579] vprintk_emit+0x37c/0x3e0 [ 25.412469][ T1579] ? wake_up_klogd_work_func+0x90/0x90 [ 25.412471][ T1579] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.412473][ T1579] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.412478][ T1579] _printk+0xc7/0x100 [ 25.412481][ T1579] ? snapshot_read.cold+0x21/0x21 [ 25.412486][ T1579] ? lock_acquire.part.0+0xd4/0x280 [ 25.412490][ T1579] br_set_state+0x22f/0x430 [ 25.412495][ T1579] br_init_port+0xc4/0x200 [ 25.412498][ T1579] br_stp_enable_port+0x12/0x50 [ 25.412500][ T1579] br_device_event+0x605/0x8f0 [ 25.412503][ T1579] ? packet_sendmsg_spkt+0x1360/0x1360 [ 25.412504][ T1579] ? nlmsg_notify+0x62/0x250 [ 25.412511][ T1579] notifier_call_chain+0xae/0x300 [ 25.412516][ T1579] __dev_notify_flags+0x1b7/0x450 [ 25.412521][ T1579] ? netif_change_name+0x8c0/0x8c0 [ 25.412525][ T1579] ? netif_set_allmulti+0x2c0/0x2c0 [ 25.412528][ T1579] ? kernel_text_address+0x149/0x170 [ 25.412531][ T1579] ? __kernel_text_address+0x12/0x30 [ 25.412532][ T1579] ? write_profile+0xf0/0xf0 [ 25.412537][ T1579] netif_change_flags+0xfe/0x190 [ 25.412541][ T1579] do_setlink.isra.0+0x1d25/0x2a60 [ 25.412544][ T1579] ? stack_trace_save+0x93/0xc0 [ 25.412546][ T1579] ? rtnl_link_get_size+0x350/0x350 [ 25.412548][ T1579] ? rcu_read_lock_any_held+0x66/0x90 [ 25.412549][ T1579] ? stack_depot_save_flags+0x38e/0x790 [ 25.412553][ T1579] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.412555][ T1579] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.412557][ T1579] ? validate_chain+0x38b/0xc20 [ 25.412559][ T1579] ? kasan_save_stack+0x3d/0x50 [ 25.412561][ T1579] ? kasan_save_stack+0x2f/0x50 [ 25.412563][ T1579] ? kasan_save_track+0x14/0x30 [ 25.412564][ T1579] ? __kasan_kmalloc+0x7b/0x90 [ 25.412566][ T1579] ? __lock_acquire+0x518/0xc20 [ 25.412568][ T1579] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 25.412571][ T1579] ? ___sys_sendmsg+0xd0/0x1d0 [ 25.412574][ T1579] ? lock_acquire.part.0+0xd4/0x280 [ 25.412576][ T1579] ? rtnl_newlink+0x9a8/0x11b0 [ 25.412579][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412580][ T1579] ? lock_acquire+0x13c/0x160 [ 25.412582][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412583][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412585][ T1579] ? trace_contention_end+0xb3/0x180 [ 25.412587][ T1579] ? __mutex_lock+0x1db/0x1ea0 [ 25.412590][ T1579] ? __mutex_lock+0x9a3/0x1ea0 [ 25.412592][ T1579] ? rtnl_newlink+0x9a8/0x11b0 [ 25.412595][ T1579] ? ww_mutex_lock+0x160/0x160 [ 25.412599][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412601][ T1579] ? __rtnl_newlink+0x3fa/0xa50 [ 25.412606][ T1579] rtnl_newlink+0x9f1/0x11b0 [ 25.412611][ T1579] ? rtnl_bridge_getlink+0x850/0x850 [ 25.412613][ T1579] ? __lock_acquire+0x518/0xc20 [ 25.412618][ T1579] ? lock_acquire.part.0+0xd4/0x280 [ 25.412620][ T1579] ? find_held_lock+0x2b/0x80 [ 25.412622][ T1579] ? rtnl_bridge_getlink+0x850/0x850 [ 25.412623][ T1579] ? __lock_release.isra.0+0x69/0x1a0 [ 25.412627][ T1579] ? rtnl_bridge_getlink+0x850/0x850 [ 25.412629][ T1579] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 25.412633][ T1579] ? rtnl_link_fill+0x920/0x920 [ 25.412634][ T1579] ? __lock_acquire+0x518/0xc20 [ 25.412638][ T1579] ? lock_acquire.part.0+0xd4/0x280 [ 25.412640][ T1579] ? find_held_lock+0x2b/0x80 [ 25.412644][ T1579] netlink_rcv_skb+0x14e/0x3a0 [ 25.412646][ T1579] ? rtnl_link_fill+0x920/0x920 [ 25.412649][ T1579] ? netlink_ack+0xcf0/0xcf0 [ 25.412655][ T1579] ? netlink_deliver_tap+0xc5/0x330 [ 25.412657][ T1579] ? netlink_deliver_tap+0x13c/0x330 [ 25.412661][ T1579] netlink_unicast+0x486/0x750 [ 25.412665][ T1579] ? netlink_attachskb+0x810/0x810 [ 25.412668][ T1579] ? find_held_lock+0x2b/0x80 [ 25.412672][ T1579] netlink_sendmsg+0x75b/0xc90 [ 25.412676][ T1579] ? netlink_unicast+0x750/0x750 [ 25.412680][ T1579] ? __lock_release.isra.0+0x69/0x1a0 [ 25.412681][ T1579] ? __import_iovec+0x36c/0x620 [ 25.412687][ T1579] __sock_sendmsg+0xce/0x190 [ 25.412689][ T1579] ____sys_sendmsg+0x61a/0x860 [ 25.412692][ T1579] ? copy_msghdr_from_user+0x279/0x420 [ 25.412694][ T1579] ? sock_write_iter+0x400/0x400 [ 25.412695][ T1579] ? move_addr_to_kernel+0x40/0x40 [ 25.412703][ T1579] ___sys_sendmsg+0x14e/0x1d0 [ 25.412705][ T1579] ? copy_msghdr_from_user+0x420/0x420 [ 25.412721][ T1579] __sys_sendmsg+0x12c/0x1d0 [ 25.412724][ T1579] ? __sys_sendmsg_sock+0x20/0x20 [ 25.412730][ T1579] ? rcu_is_watching+0x16/0xd0 [ 25.412733][ T1579] do_syscall_64+0xff/0x530 [ 25.412736][ T1579] ? exc_page_fault+0xee/0x100 [ 25.412739][ T1579] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.412741][ T1579] RIP: 0033:0x7ff366b3254e [ 25.412743][ T1579] 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 [ 25.412745][ T1579] RSP: 002b:00007ffff8258b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.412747][ T1579] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff366b3254e [ 25.412749][ T1579] RDX: 0000000000000000 RSI: 00007ffff8258c10 RDI: 0000000000000005 [ 25.412750][ T1579] RBP: 00007ffff8258b70 R08: 0000000000000000 R09: 0000000000000000 [ 25.412750][ T1579] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918690 [ 25.412751][ T1579] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff82592d0 [ 25.412758][ T1579] [ 25.463316][ T1579] br: port 1(d1) entered forwarding state [ 25.549724][ T1587] br: port 2(d2) entered disabled state [ 25.871597][ T1625] br: port 2(d2) entered blocking state [ 25.871871][ T1625] br: port 2(d2) entered forwarding state [ 25.964882][ T1633] br: port 1(d1) entered disabled state [ 26.042573][ T1641] br: port 2(d2) entered disabled state [ 26.468872][ T1679] br: port 2(d2) entered blocking state [ 26.468902][ T1679] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.468904][ T1679] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1679, name: ip [ 26.468905][ T1679] preempt_count: 202, expected: 0 [ 26.468906][ T1679] RCU nest depth: 0, expected: 0 [ 26.468907][ T1679] locks held by ip/1679: 6, last CPU#0: [ 26.468909][ T1679] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.468922][ T1679] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 26.468928][ T1679] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.468933][ T1679] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.468937][ T1679] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.468941][ T1679] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.468945][ T1679] irq event stamp: 13903 [ 26.468946][ T1679] hardirqs last enabled at (13902): [] __down_trylock_console_sem+0x86/0xa0 [ 26.468949][ T1679] hardirqs last disabled at (13903): [] console_emit_next_record+0x3d4/0x4c0 [ 26.468951][ T1679] softirqs last enabled at (13862): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 26.468954][ T1679] softirqs last disabled at (13896): [] br_device_event+0x5fd/0x8f0 [ 26.468956][ T1679] Preemption disabled at: [ 26.468957][ T1679] [<0000000000000000>] 0x0 [ 26.468964][ T1679] CPU: 0 UID: 0 PID: 1679 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.468970][ T1679] Tainted: [W]=WARN [ 26.468971][ T1679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.468973][ T1679] Call Trace: [ 26.468975][ T1679] [ 26.468976][ T1679] dump_stack_lvl+0x6f/0xa0 [ 26.468984][ T1679] __might_resched.cold+0x1fe/0x2c1 [ 26.468988][ T1679] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.468993][ T1679] ? __kmalloc_noprof+0xdb/0x760 [ 26.468997][ T1679] __kmalloc_noprof+0x443/0x760 [ 26.468999][ T1679] ? alloc_buf.isra.0+0x4b/0x260 [ 26.469005][ T1679] ? do_raw_spin_unlock+0x59/0x250 [ 26.469008][ T1679] alloc_buf.isra.0+0x4b/0x260 [ 26.469012][ T1679] put_chars+0x1e1/0x2f0 [ 26.469014][ T1679] ? __send_to_port+0x420/0x420 [ 26.469016][ T1679] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.469019][ T1679] ? validate_chain+0x38b/0xc20 [ 26.469024][ T1679] hvc_console_print+0x292/0x780 [ 26.469032][ T1679] ? hvc_write+0x3a0/0x3a0 [ 26.469035][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469037][ T1679] ? lock_acquire+0x13c/0x160 [ 26.469041][ T1679] console_emit_next_record+0x22f/0x4c0 [ 26.469045][ T1679] ? devkmsg_read+0x4b0/0x4b0 [ 26.469047][ T1679] ? console_flush_one_record+0x106/0x710 [ 26.469051][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469052][ T1679] ? lock_acquire+0x13c/0x160 [ 26.469056][ T1679] console_flush_one_record+0x46f/0x710 [ 26.469060][ T1679] ? console_emit_next_record+0x4c0/0x4c0 [ 26.469062][ T1679] ? __lock_acquire+0x518/0xc20 [ 26.469068][ T1679] console_unlock+0xee/0x1f0 [ 26.469070][ T1679] ? console_flush_one_record+0x710/0x710 [ 26.469072][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469074][ T1679] ? lock_acquire+0xe0/0x160 [ 26.469078][ T1679] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.469079][ T1679] ? vprintk_emit+0x320/0x3e0 [ 26.469082][ T1679] vprintk_emit+0x37c/0x3e0 [ 26.469085][ T1679] ? wake_up_klogd_work_func+0x90/0x90 [ 26.469087][ T1679] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.469089][ T1679] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.469094][ T1679] _printk+0xc7/0x100 [ 26.469098][ T1679] ? snapshot_read.cold+0x21/0x21 [ 26.469103][ T1679] ? lock_acquire.part.0+0xd4/0x280 [ 26.469106][ T1679] br_set_state+0x22f/0x430 [ 26.469111][ T1679] br_init_port+0xc4/0x200 [ 26.469114][ T1679] br_stp_enable_port+0x12/0x50 [ 26.469116][ T1679] br_device_event+0x605/0x8f0 [ 26.469119][ T1679] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.469120][ T1679] ? nlmsg_notify+0x62/0x250 [ 26.469127][ T1679] notifier_call_chain+0xae/0x300 [ 26.469133][ T1679] __dev_notify_flags+0x1b7/0x450 [ 26.469138][ T1679] ? netif_change_name+0x8c0/0x8c0 [ 26.469142][ T1679] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.469144][ T1679] ? kernel_text_address+0x149/0x170 [ 26.469147][ T1679] ? __kernel_text_address+0x12/0x30 [ 26.469149][ T1679] ? write_profile+0xf0/0xf0 [ 26.469154][ T1679] netif_change_flags+0xfe/0x190 [ 26.469157][ T1679] ? validate_chain+0x38b/0xc20 [ 26.469159][ T1679] do_setlink.isra.0+0x1d25/0x2a60 [ 26.469163][ T1679] ? rtnl_link_get_size+0x350/0x350 [ 26.469164][ T1679] ? irq_matrix_free+0x4d5/0x600 [ 26.469168][ T1679] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.469170][ T1679] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.469172][ T1679] ? validate_chain+0x38b/0xc20 [ 26.469175][ T1679] ? __lock_release.isra.0+0x69/0x1a0 [ 26.469178][ T1679] ? __lock_acquire+0x518/0xc20 [ 26.469182][ T1679] ? lock_acquire.part.0+0xd4/0x280 [ 26.469184][ T1679] ? rtnl_newlink+0x9a8/0x11b0 [ 26.469187][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469189][ T1679] ? lock_acquire+0x13c/0x160 [ 26.469190][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469191][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469193][ T1679] ? trace_contention_end+0xb3/0x180 [ 26.469195][ T1679] ? __mutex_lock+0x1db/0x1ea0 [ 26.469198][ T1679] ? __mutex_lock+0x9a3/0x1ea0 [ 26.469199][ T1679] ? __lock_release.isra.0+0x69/0x1a0 [ 26.469201][ T1679] ? rtnl_newlink+0x9a8/0x11b0 [ 26.469203][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469206][ T1679] ? ww_mutex_lock+0x160/0x160 [ 26.469207][ T1679] ? lockdep_hardirqs_on+0x91/0x130 [ 26.469209][ T1679] ? irqentry_exit+0x21c/0x790 [ 26.469210][ T1679] ? irqentry_exit+0x21c/0x790 [ 26.469212][ T1679] ? lockdep_hardirqs_off+0x97/0xf0 [ 26.469215][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469217][ T1679] ? __rtnl_newlink+0x3fa/0xa50 [ 26.469222][ T1679] rtnl_newlink+0x9f1/0x11b0 [ 26.469227][ T1679] ? rtnl_bridge_getlink+0x850/0x850 [ 26.469229][ T1679] ? __lock_acquire+0x518/0xc20 [ 26.469234][ T1679] ? lock_acquire.part.0+0xd4/0x280 [ 26.469236][ T1679] ? find_held_lock+0x2b/0x80 [ 26.469238][ T1679] ? rtnl_bridge_getlink+0x850/0x850 [ 26.469240][ T1679] ? __lock_release.isra.0+0x69/0x1a0 [ 26.469243][ T1679] ? rtnl_bridge_getlink+0x850/0x850 [ 26.469245][ T1679] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.469248][ T1679] ? rtnl_link_fill+0x920/0x920 [ 26.469250][ T1679] ? __lock_acquire+0x518/0xc20 [ 26.469254][ T1679] ? lock_acquire.part.0+0xd4/0x280 [ 26.469256][ T1679] ? find_held_lock+0x2b/0x80 [ 26.469259][ T1679] netlink_rcv_skb+0x14e/0x3a0 [ 26.469261][ T1679] ? rtnl_link_fill+0x920/0x920 [ 26.469264][ T1679] ? netlink_ack+0xcf0/0xcf0 [ 26.469270][ T1679] ? netlink_deliver_tap+0xc5/0x330 [ 26.469272][ T1679] ? netlink_deliver_tap+0x13c/0x330 [ 26.469277][ T1679] netlink_unicast+0x486/0x750 [ 26.469281][ T1679] ? netlink_attachskb+0x810/0x810 [ 26.469283][ T1679] ? find_held_lock+0x2b/0x80 [ 26.469288][ T1679] netlink_sendmsg+0x75b/0xc90 [ 26.469291][ T1679] ? netlink_unicast+0x750/0x750 [ 26.469295][ T1679] ? __lock_release.isra.0+0x69/0x1a0 [ 26.469297][ T1679] ? __import_iovec+0x36c/0x620 [ 26.469302][ T1679] __sock_sendmsg+0xce/0x190 [ 26.469306][ T1679] ____sys_sendmsg+0x61a/0x860 [ 26.469308][ T1679] ? copy_msghdr_from_user+0x279/0x420 [ 26.469310][ T1679] ? sock_write_iter+0x400/0x400 [ 26.469312][ T1679] ? move_addr_to_kernel+0x40/0x40 [ 26.469319][ T1679] ___sys_sendmsg+0x14e/0x1d0 [ 26.469322][ T1679] ? copy_msghdr_from_user+0x420/0x420 [ 26.469338][ T1679] __sys_sendmsg+0x12c/0x1d0 [ 26.469340][ T1679] ? __sys_sendmsg_sock+0x20/0x20 [ 26.469347][ T1679] ? rcu_is_watching+0x16/0xd0 [ 26.469350][ T1679] do_syscall_64+0xff/0x530 [ 26.469352][ T1679] ? exc_page_fault+0xee/0x100 [ 26.469355][ T1679] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.469357][ T1679] RIP: 0033:0x7ff03121854e [ 26.469359][ T1679] 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 [ 26.469361][ T1679] RSP: 002b:00007ffcb7258470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.469364][ T1679] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff03121854e [ 26.469365][ T1679] RDX: 0000000000000000 RSI: 00007ffcb7258520 RDI: 0000000000000005 [ 26.469366][ T1679] RBP: 00007ffcb7258480 R08: 0000000000000000 R09: 0000000000000000 [ 26.469367][ T1679] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918691 [ 26.469368][ T1679] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb7258be0 [ 26.469374][ T1679] [ 26.509719][ T1679] br: port 2(d2) entered forwarding state [ 26.548619][ T46] br: port 1(d1) entered blocking state [ 26.549198][ T46] br: port 1(d1) entered forwarding state [ 26.637556][ T1689] br: port 1(d1) entered disabled state [ 26.726988][ T1697] br: port 2(d2) entered disabled state [ 26.831691][ T1705] br: port 3(d3) entered disabled state [ 27.205434][ T38] br: port 3(d3) entered blocking state [ 27.205694][ T38] br: port 3(d3) entered forwarding state [ 27.234651][ T46] br: port 2(d2) entered blocking state [ 27.235030][ T46] br: port 2(d2) entered forwarding state [ 27.270847][ T46] br: port 1(d1) entered blocking state [ 27.271096][ T46] br: port 1(d1) entered forwarding state [ 28.246777][ T1804] br: port 1(d1) entered disabled state [ 28.246797][ T1804] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.246800][ T1804] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1804, name: ip [ 28.246801][ T1804] preempt_count: 202, expected: 0 [ 28.246802][ T1804] RCU nest depth: 0, expected: 0 [ 28.246803][ T1804] locks held by ip/1804: 6, last CPU#2: [ 28.246805][ T1804] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 28.246817][ T1804] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 28.246823][ T1804] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.246828][ T1804] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.246833][ T1804] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.246836][ T1804] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.246841][ T1804] irq event stamp: 24283 [ 28.246841][ T1804] hardirqs last enabled at (24282): [] __down_trylock_console_sem+0x86/0xa0 [ 28.246845][ T1804] hardirqs last disabled at (24283): [] console_emit_next_record+0x3d4/0x4c0 [ 28.246847][ T1804] softirqs last enabled at (24266): [] ipv6_mc_down+0x134/0x2d0 [ 28.246850][ T1804] softirqs last disabled at (24278): [] br_device_event+0x1d7/0x8f0 [ 28.246852][ T1804] Preemption disabled at: [ 28.246853][ T1804] [<0000000000000000>] 0x0 [ 28.246860][ T1804] CPU: 2 UID: 0 PID: 1804 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.246864][ T1804] Tainted: [W]=WARN [ 28.246865][ T1804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.246867][ T1804] Call Trace: [ 28.246868][ T1804] [ 28.246870][ T1804] dump_stack_lvl+0x6f/0xa0 [ 28.246876][ T1804] __might_resched.cold+0x1fe/0x2c1 [ 28.246881][ T1804] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.246885][ T1804] ? __kmalloc_noprof+0xdb/0x760 [ 28.246889][ T1804] __kmalloc_noprof+0x443/0x760 [ 28.246891][ T1804] ? alloc_buf.isra.0+0x4b/0x260 [ 28.246898][ T1804] ? do_raw_spin_unlock+0x59/0x250 [ 28.246900][ T1804] alloc_buf.isra.0+0x4b/0x260 [ 28.246904][ T1804] put_chars+0x1e1/0x2f0 [ 28.246907][ T1804] ? __send_to_port+0x420/0x420 [ 28.246913][ T1804] hvc_console_print+0x292/0x780 [ 28.246920][ T1804] ? hvc_write+0x3a0/0x3a0 [ 28.246924][ T1804] ? lock_acquire+0x13c/0x160 [ 28.246928][ T1804] console_emit_next_record+0x22f/0x4c0 [ 28.246932][ T1804] ? devkmsg_read+0x4b0/0x4b0 [ 28.246934][ T1804] ? console_flush_one_record+0x106/0x710 [ 28.246937][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.246940][ T1804] ? lock_acquire+0x13c/0x160 [ 28.246944][ T1804] console_flush_one_record+0x46f/0x710 [ 28.246948][ T1804] ? console_emit_next_record+0x4c0/0x4c0 [ 28.246950][ T1804] ? __lock_acquire+0x518/0xc20 [ 28.246955][ T1804] console_unlock+0xee/0x1f0 [ 28.246958][ T1804] ? console_flush_one_record+0x710/0x710 [ 28.246960][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.246962][ T1804] ? lock_acquire+0xe0/0x160 [ 28.246965][ T1804] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.246969][ T1804] ? vprintk_emit+0x320/0x3e0 [ 28.246972][ T1804] vprintk_emit+0x37c/0x3e0 [ 28.246975][ T1804] ? wake_up_klogd_work_func+0x90/0x90 [ 28.246976][ T1804] ? mark_held_locks+0x40/0x70 [ 28.246979][ T1804] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.246981][ T1804] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.246985][ T1804] _printk+0xc7/0x100 [ 28.246989][ T1804] ? snapshot_read.cold+0x21/0x21 [ 28.246996][ T1804] br_set_state+0x22f/0x430 [ 28.247001][ T1804] br_stp_disable_port+0x11f/0x390 [ 28.247005][ T1804] br_device_event+0x7b5/0x8f0 [ 28.247007][ T1804] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 28.247011][ T1804] ? packet_sendmsg_spkt+0x1360/0x1360 [ 28.247017][ T1804] notifier_call_chain+0xae/0x300 [ 28.247022][ T1804] __dev_notify_flags+0x23c/0x450 [ 28.247028][ T1804] ? netif_change_name+0x8c0/0x8c0 [ 28.247031][ T1804] ? netif_set_allmulti+0x2c0/0x2c0 [ 28.247035][ T1804] ? __kernel_text_address+0x12/0x30 [ 28.247037][ T1804] ? write_profile+0xf0/0xf0 [ 28.247042][ T1804] netif_change_flags+0xfe/0x190 [ 28.247046][ T1804] do_setlink.isra.0+0x1d25/0x2a60 [ 28.247049][ T1804] ? stack_trace_save+0x93/0xc0 [ 28.247051][ T1804] ? rtnl_link_get_size+0x350/0x350 [ 28.247053][ T1804] ? rcu_read_lock_any_held+0x66/0x90 [ 28.247054][ T1804] ? stack_depot_save_flags+0x38e/0x790 [ 28.247058][ T1804] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.247060][ T1804] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.247062][ T1804] ? validate_chain+0x38b/0xc20 [ 28.247064][ T1804] ? kasan_save_stack+0x3d/0x50 [ 28.247067][ T1804] ? kasan_save_stack+0x2f/0x50 [ 28.247068][ T1804] ? kasan_save_track+0x14/0x30 [ 28.247069][ T1804] ? __kasan_kmalloc+0x7b/0x90 [ 28.247071][ T1804] ? __lock_acquire+0x518/0xc20 [ 28.247073][ T1804] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 28.247076][ T1804] ? ___sys_sendmsg+0xd0/0x1d0 [ 28.247080][ T1804] ? lock_acquire.part.0+0xd4/0x280 [ 28.247082][ T1804] ? rtnl_newlink+0x9a8/0x11b0 [ 28.247084][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.247086][ T1804] ? lock_acquire+0x13c/0x160 [ 28.247088][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.247089][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.247090][ T1804] ? trace_contention_end+0xb3/0x180 [ 28.247093][ T1804] ? __mutex_lock+0x1db/0x1ea0 [ 28.247094][ T1804] ? __mutex_lock+0x9a3/0x1ea0 [ 28.247096][ T1804] ? rtnl_newlink+0x9a8/0x11b0 [ 28.247099][ T1804] ? ww_mutex_lock+0x160/0x160 [ 28.247103][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.247105][ T1804] ? __rtnl_newlink+0x3fa/0xa50 [ 28.247110][ T1804] rtnl_newlink+0x9f1/0x11b0 [ 28.247116][ T1804] ? rtnl_bridge_getlink+0x850/0x850 [ 28.247117][ T1804] ? __lock_acquire+0x518/0xc20 [ 28.247122][ T1804] ? lock_acquire.part.0+0xd4/0x280 [ 28.247124][ T1804] ? find_held_lock+0x2b/0x80 [ 28.247126][ T1804] ? rtnl_bridge_getlink+0x850/0x850 [ 28.247128][ T1804] ? __lock_release.isra.0+0x69/0x1a0 [ 28.247131][ T1804] ? rtnl_bridge_getlink+0x850/0x850 [ 28.247133][ T1804] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.247137][ T1804] ? rtnl_link_fill+0x920/0x920 [ 28.247138][ T1804] ? __lock_acquire+0x518/0xc20 [ 28.247142][ T1804] ? lock_acquire.part.0+0xd4/0x280 [ 28.247144][ T1804] ? find_held_lock+0x2b/0x80 [ 28.247148][ T1804] netlink_rcv_skb+0x14e/0x3a0 [ 28.247151][ T1804] ? rtnl_link_fill+0x920/0x920 [ 28.247154][ T1804] ? netlink_ack+0xcf0/0xcf0 [ 28.247160][ T1804] ? netlink_deliver_tap+0xc5/0x330 [ 28.247162][ T1804] ? netlink_deliver_tap+0x13c/0x330 [ 28.247167][ T1804] netlink_unicast+0x486/0x750 [ 28.247171][ T1804] ? netlink_attachskb+0x810/0x810 [ 28.247173][ T1804] ? find_held_lock+0x2b/0x80 [ 28.247177][ T1804] netlink_sendmsg+0x75b/0xc90 [ 28.247181][ T1804] ? netlink_unicast+0x750/0x750 [ 28.247185][ T1804] ? __lock_release.isra.0+0x69/0x1a0 [ 28.247187][ T1804] ? __import_iovec+0x36c/0x620 [ 28.247192][ T1804] __sock_sendmsg+0xce/0x190 [ 28.247195][ T1804] ____sys_sendmsg+0x61a/0x860 [ 28.247197][ T1804] ? copy_msghdr_from_user+0x279/0x420 [ 28.247200][ T1804] ? sock_write_iter+0x400/0x400 [ 28.247201][ T1804] ? move_addr_to_kernel+0x40/0x40 [ 28.247209][ T1804] ___sys_sendmsg+0x14e/0x1d0 [ 28.247211][ T1804] ? copy_msghdr_from_user+0x420/0x420 [ 28.247227][ T1804] __sys_sendmsg+0x12c/0x1d0 [ 28.247230][ T1804] ? __sys_sendmsg_sock+0x20/0x20 [ 28.247236][ T1804] ? rcu_is_watching+0x16/0xd0 [ 28.247239][ T1804] do_syscall_64+0xff/0x530 [ 28.247242][ T1804] ? exc_page_fault+0xee/0x100 [ 28.247245][ T1804] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.247247][ T1804] RIP: 0033:0x7fd02569454e [ 28.247250][ T1804] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 28.247251][ T1804] RSP: 002b:00007ffde7b9bd60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.247254][ T1804] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd02569454e [ 28.247255][ T1804] RDX: 0000000000000000 RSI: 00007ffde7b9be10 RDI: 0000000000000005 [ 28.247256][ T1804] RBP: 00007ffde7b9bd70 R08: 0000000000000000 R09: 0000000000000000 [ 28.247257][ T1804] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918693 [ 28.247257][ T1804] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde7b9c4d0 [ 28.247264][ T1804] [ 28.672010][ T1842] br: port 1(d1) entered blocking state [ 28.672305][ T1842] br: port 1(d1) entered forwarding state [ 28.763868][ T1850] br: port 2(d2) entered disabled state [ 29.125406][ T36] br: port 2(d2) entered blocking state [ 29.125664][ T36] br: port 2(d2) entered forwarding state [ 29.223571][ T1896] br: port 1(d1) entered disabled state [ 29.311628][ T1904] br: port 2(d2) entered disabled state [ 29.311648][ T1904] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.311651][ T1904] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1904, name: ip [ 29.311652][ T1904] preempt_count: 202, expected: 0 [ 29.311653][ T1904] RCU nest depth: 0, expected: 0 [ 29.311654][ T1904] locks held by ip/1904: 6, last CPU#3: [ 29.311656][ T1904] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 29.311671][ T1904] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 29.311677][ T1904] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 29.311682][ T1904] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 29.311686][ T1904] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 29.311690][ T1904] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 29.311694][ T1904] irq event stamp: 16597 [ 29.311696][ T1904] hardirqs last enabled at (16596): [] __down_trylock_console_sem+0x86/0xa0 [ 29.311699][ T1904] hardirqs last disabled at (16597): [] console_emit_next_record+0x3d4/0x4c0 [ 29.311701][ T1904] softirqs last enabled at (16580): [] ipv6_mc_down+0x134/0x2d0 [ 29.311704][ T1904] softirqs last disabled at (16592): [] br_device_event+0x1d7/0x8f0 [ 29.311706][ T1904] Preemption disabled at: [ 29.311707][ T1904] [<0000000000000000>] 0x0 [ 29.311714][ T1904] CPU: 3 UID: 0 PID: 1904 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.311717][ T1904] Tainted: [W]=WARN [ 29.311718][ T1904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.311720][ T1904] Call Trace: [ 29.311721][ T1904] [ 29.311723][ T1904] dump_stack_lvl+0x6f/0xa0 [ 29.311730][ T1904] __might_resched.cold+0x1fe/0x2c1 [ 29.311734][ T1904] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.311738][ T1904] ? __kmalloc_noprof+0xdb/0x760 [ 29.311743][ T1904] __kmalloc_noprof+0x443/0x760 [ 29.311745][ T1904] ? alloc_buf.isra.0+0x4b/0x260 [ 29.311751][ T1904] ? do_raw_spin_unlock+0x59/0x250 [ 29.311754][ T1904] alloc_buf.isra.0+0x4b/0x260 [ 29.311758][ T1904] put_chars+0x1e1/0x2f0 [ 29.311760][ T1904] ? __send_to_port+0x420/0x420 [ 29.311766][ T1904] hvc_console_print+0x292/0x780 [ 29.311774][ T1904] ? hvc_write+0x3a0/0x3a0 [ 29.311777][ T1904] ? lock_acquire+0x13c/0x160 [ 29.311782][ T1904] console_emit_next_record+0x22f/0x4c0 [ 29.311786][ T1904] ? devkmsg_read+0x4b0/0x4b0 [ 29.311788][ T1904] ? console_flush_one_record+0x106/0x710 [ 29.311791][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.311793][ T1904] ? lock_acquire+0x13c/0x160 [ 29.311798][ T1904] console_flush_one_record+0x46f/0x710 [ 29.311802][ T1904] ? console_emit_next_record+0x4c0/0x4c0 [ 29.311804][ T1904] ? __lock_acquire+0x518/0xc20 [ 29.311809][ T1904] console_unlock+0xee/0x1f0 [ 29.311812][ T1904] ? console_flush_one_record+0x710/0x710 [ 29.311814][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.311815][ T1904] ? lock_acquire+0xe0/0x160 [ 29.311819][ T1904] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.311821][ T1904] ? vprintk_emit+0x320/0x3e0 [ 29.311824][ T1904] vprintk_emit+0x37c/0x3e0 [ 29.311827][ T1904] ? wake_up_klogd_work_func+0x90/0x90 [ 29.311828][ T1904] ? mark_held_locks+0x40/0x70 [ 29.311831][ T1904] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.311833][ T1904] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.311838][ T1904] _printk+0xc7/0x100 [ 29.311841][ T1904] ? snapshot_read.cold+0x21/0x21 [ 29.311849][ T1904] br_set_state+0x22f/0x430 [ 29.311854][ T1904] br_stp_disable_port+0x11f/0x390 [ 29.311857][ T1904] br_device_event+0x7b5/0x8f0 [ 29.311859][ T1904] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 29.311864][ T1904] ? packet_sendmsg_spkt+0x1360/0x1360 [ 29.311869][ T1904] notifier_call_chain+0xae/0x300 [ 29.311875][ T1904] __dev_notify_flags+0x23c/0x450 [ 29.311881][ T1904] ? netif_change_name+0x8c0/0x8c0 [ 29.311884][ T1904] ? netif_set_allmulti+0x2c0/0x2c0 [ 29.311888][ T1904] ? __kernel_text_address+0x12/0x30 [ 29.311890][ T1904] ? write_profile+0xf0/0xf0 [ 29.311895][ T1904] netif_change_flags+0xfe/0x190 [ 29.311899][ T1904] do_setlink.isra.0+0x1d25/0x2a60 [ 29.311902][ T1904] ? stack_trace_save+0x93/0xc0 [ 29.311905][ T1904] ? rtnl_link_get_size+0x350/0x350 [ 29.311906][ T1904] ? rcu_read_lock_any_held+0x66/0x90 [ 29.311908][ T1904] ? stack_depot_save_flags+0x38e/0x790 [ 29.311911][ T1904] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.311913][ T1904] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.311915][ T1904] ? validate_chain+0x38b/0xc20 [ 29.311917][ T1904] ? kasan_save_stack+0x3d/0x50 [ 29.311920][ T1904] ? kasan_save_stack+0x2f/0x50 [ 29.311921][ T1904] ? kasan_save_track+0x14/0x30 [ 29.311922][ T1904] ? __kasan_kmalloc+0x7b/0x90 [ 29.311925][ T1904] ? __lock_acquire+0x518/0xc20 [ 29.311926][ T1904] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 29.311929][ T1904] ? ___sys_sendmsg+0xd0/0x1d0 [ 29.311933][ T1904] ? lock_acquire.part.0+0xd4/0x280 [ 29.311935][ T1904] ? rtnl_newlink+0x9a8/0x11b0 [ 29.311938][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.311940][ T1904] ? lock_acquire+0x13c/0x160 [ 29.311942][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.311943][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.311944][ T1904] ? trace_contention_end+0xb3/0x180 [ 29.311947][ T1904] ? __mutex_lock+0x1db/0x1ea0 [ 29.311948][ T1904] ? __mutex_lock+0x9a3/0x1ea0 [ 29.311950][ T1904] ? rtnl_newlink+0x9a8/0x11b0 [ 29.311953][ T1904] ? ww_mutex_lock+0x160/0x160 [ 29.311957][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.311959][ T1904] ? __rtnl_newlink+0x3fa/0xa50 [ 29.311965][ T1904] rtnl_newlink+0x9f1/0x11b0 [ 29.311970][ T1904] ? rtnl_bridge_getlink+0x850/0x850 [ 29.311972][ T1904] ? __lock_acquire+0x518/0xc20 [ 29.311976][ T1904] ? lock_acquire.part.0+0xd4/0x280 [ 29.311978][ T1904] ? find_held_lock+0x2b/0x80 [ 29.311981][ T1904] ? rtnl_bridge_getlink+0x850/0x850 [ 29.311982][ T1904] ? __lock_release.isra.0+0x69/0x1a0 [ 29.311986][ T1904] ? rtnl_bridge_getlink+0x850/0x850 [ 29.311988][ T1904] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.311992][ T1904] ? rtnl_link_fill+0x920/0x920 [ 29.311993][ T1904] ? __lock_acquire+0x518/0xc20 [ 29.311997][ T1904] ? lock_acquire.part.0+0xd4/0x280 [ 29.311999][ T1904] ? find_held_lock+0x2b/0x80 [ 29.312003][ T1904] netlink_rcv_skb+0x14e/0x3a0 [ 29.312006][ T1904] ? rtnl_link_fill+0x920/0x920 [ 29.312009][ T1904] ? netlink_ack+0xcf0/0xcf0 [ 29.312015][ T1904] ? netlink_deliver_tap+0xc5/0x330 [ 29.312017][ T1904] ? netlink_deliver_tap+0x13c/0x330 [ 29.312022][ T1904] netlink_unicast+0x486/0x750 [ 29.312026][ T1904] ? netlink_attachskb+0x810/0x810 [ 29.312029][ T1904] ? find_held_lock+0x2b/0x80 [ 29.312033][ T1904] netlink_sendmsg+0x75b/0xc90 [ 29.312037][ T1904] ? netlink_unicast+0x750/0x750 [ 29.312041][ T1904] ? __lock_release.isra.0+0x69/0x1a0 [ 29.312042][ T1904] ? __import_iovec+0x36c/0x620 [ 29.312048][ T1904] __sock_sendmsg+0xce/0x190 [ 29.312051][ T1904] ____sys_sendmsg+0x61a/0x860 [ 29.312053][ T1904] ? copy_msghdr_from_user+0x279/0x420 [ 29.312055][ T1904] ? sock_write_iter+0x400/0x400 [ 29.312057][ T1904] ? move_addr_to_kernel+0x40/0x40 [ 29.312064][ T1904] ___sys_sendmsg+0x14e/0x1d0 [ 29.312067][ T1904] ? copy_msghdr_from_user+0x420/0x420 [ 29.312084][ T1904] __sys_sendmsg+0x12c/0x1d0 [ 29.312086][ T1904] ? __sys_sendmsg_sock+0x20/0x20 [ 29.312093][ T1904] ? rcu_is_watching+0x16/0xd0 [ 29.312096][ T1904] do_syscall_64+0xff/0x530 [ 29.312099][ T1904] ? exc_page_fault+0xee/0x100 [ 29.312101][ T1904] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.312104][ T1904] RIP: 0033:0x7f1072ecd54e [ 29.312106][ T1904] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 29.312108][ T1904] RSP: 002b:00007fffed65a410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.312110][ T1904] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1072ecd54e [ 29.312112][ T1904] RDX: 0000000000000000 RSI: 00007fffed65a4c0 RDI: 0000000000000005 [ 29.312112][ T1904] RBP: 00007fffed65a420 R08: 0000000000000000 R09: 0000000000000000 [ 29.312113][ T1904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918694 [ 29.312114][ T1904] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed65ab80 [ 29.312121][ T1904] [ 29.705589][ T1942] br: port 2(d2) entered blocking state [ 29.705876][ T1942] br: port 2(d2) entered forwarding state [ 29.735616][ T1944] br: port 1(d1) entered blocking state [ 29.735872][ T1944] br: port 1(d1) entered forwarding state [ 29.814066][ T1952] br: port 1(d1) entered disabled state [ 29.917825][ T1960] br: port 2(d2) entered disabled state [ 30.018378][ T1968] br: port 3(d3) entered disabled state [ 31.346386][ T62] br: port 3(d3) entered blocking state [ 31.346405][ T62] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.346408][ T62] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 62, name: kworker/u19:1 [ 31.346409][ T62] preempt_count: 202, expected: 0 [ 31.346410][ T62] RCU nest depth: 0, expected: 0 [ 31.346411][ T62] locks held by kworker/u19:1/62: 8, last CPU#2: [ 31.346413][ T62] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 31.346427][ T62] #1: ffa000000042fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 31.346431][ T62] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 31.346436][ T62] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 31.346441][ T62] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.346446][ T62] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.346450][ T62] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.346453][ T62] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 31.346457][ T62] irq event stamp: 143787 [ 31.346458][ T62] hardirqs last enabled at (143786): [] __down_trylock_console_sem+0x86/0xa0 [ 31.346461][ T62] hardirqs last disabled at (143787): [] console_emit_next_record+0x3d4/0x4c0 [ 31.346463][ T62] softirqs last enabled at (143748): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 31.346466][ T62] softirqs last disabled at (143782): [] br_port_carrier_check+0x161/0x430 [ 31.346469][ T62] Preemption disabled at: [ 31.346469][ T62] [<0000000000000000>] 0x0 [ 31.346481][ T62] CPU: 2 UID: 0 PID: 62 Comm: kworker/u19:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.346485][ T62] Tainted: [W]=WARN [ 31.346486][ T62] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.346488][ T62] Workqueue: events_unbound linkwatch_event [ 31.346491][ T62] Call Trace: [ 31.346492][ T62] [ 31.346494][ T62] dump_stack_lvl+0x6f/0xa0 [ 31.346501][ T62] __might_resched.cold+0x1fe/0x2c1 [ 31.346505][ T62] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.346509][ T62] ? __kmalloc_noprof+0xdb/0x760 [ 31.346514][ T62] __kmalloc_noprof+0x443/0x760 [ 31.346515][ T62] ? alloc_buf.isra.0+0x4b/0x260 [ 31.346522][ T62] ? do_raw_spin_unlock+0x59/0x250 [ 31.346525][ T62] alloc_buf.isra.0+0x4b/0x260 [ 31.346529][ T62] put_chars+0x1e1/0x2f0 [ 31.346531][ T62] ? __send_to_port+0x420/0x420 [ 31.346534][ T62] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.346537][ T62] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.346540][ T62] ? validate_chain+0x38b/0xc20 [ 31.346544][ T62] hvc_console_print+0x292/0x780 [ 31.346547][ T62] ? mark_usage+0x61/0x170 [ 31.346549][ T62] ? __lock_acquire+0x518/0xc20 [ 31.346551][ T62] ? __lock_acquire+0x518/0xc20 [ 31.346555][ T62] ? hvc_write+0x3a0/0x3a0 [ 31.346557][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 31.346561][ T62] ? lock_acquire+0x13c/0x160 [ 31.346565][ T62] console_emit_next_record+0x22f/0x4c0 [ 31.346570][ T62] ? devkmsg_read+0x4b0/0x4b0 [ 31.346571][ T62] ? console_flush_one_record+0x106/0x710 [ 31.346575][ T62] ? rcu_is_watching+0x16/0xd0 [ 31.346577][ T62] ? lock_acquire+0x13c/0x160 [ 31.346581][ T62] console_flush_one_record+0x46f/0x710 [ 31.346585][ T62] ? console_emit_next_record+0x4c0/0x4c0 [ 31.346587][ T62] ? __lock_acquire+0x518/0xc20 [ 31.346592][ T62] console_unlock+0xee/0x1f0 [ 31.346595][ T62] ? console_flush_one_record+0x710/0x710 [ 31.346597][ T62] ? rcu_is_watching+0x16/0xd0 [ 31.346599][ T62] ? lock_acquire+0xe0/0x160 [ 31.346602][ T62] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.346604][ T62] ? vprintk_emit+0x320/0x3e0 [ 31.346607][ T62] vprintk_emit+0x37c/0x3e0 [ 31.346610][ T62] ? wake_up_klogd_work_func+0x90/0x90 [ 31.346612][ T62] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.346614][ T62] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.346618][ T62] _printk+0xc7/0x100 [ 31.346621][ T62] ? snapshot_read.cold+0x21/0x21 [ 31.346627][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 31.346630][ T62] br_set_state+0x22f/0x430 [ 31.346635][ T62] br_init_port+0xc4/0x200 [ 31.346637][ T62] br_stp_enable_port+0x12/0x50 [ 31.346639][ T62] br_port_carrier_check+0x220/0x430 [ 31.346643][ T62] br_device_event+0x52d/0x8f0 [ 31.346646][ T62] ? packet_sendmsg_spkt+0x1360/0x1360 [ 31.346648][ T62] ? nlmsg_notify+0x62/0x250 [ 31.346654][ T62] notifier_call_chain+0xae/0x300 [ 31.346660][ T62] netif_state_change+0x139/0x3d0 [ 31.346665][ T62] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 31.346670][ T62] ? linkwatch_do_dev+0xae/0xd0 [ 31.346672][ T62] __linkwatch_run_queue+0x350/0x850 [ 31.346675][ T62] ? linkwatch_do_dev+0xd0/0xd0 [ 31.346677][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 31.346682][ T62] linkwatch_event+0x7f/0xb0 [ 31.346684][ T62] ? __linkwatch_run_queue+0x850/0x850 [ 31.346687][ T62] process_one_work+0xe3e/0x1560 [ 31.346694][ T62] ? __queue_delayed_work+0x470/0x470 [ 31.346697][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 31.346704][ T62] worker_thread+0x4f1/0xd60 [ 31.346712][ T62] ? rescuer_thread+0x1340/0x1340 [ 31.346714][ T62] kthread+0x367/0x460 [ 31.346716][ T62] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.346719][ T62] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.346722][ T62] ret_from_fork+0x474/0x6b0 [ 31.346726][ T62] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 31.346729][ T62] ? __switch_to+0x5a3/0xe00 [ 31.346733][ T62] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.346736][ T62] ret_from_fork_asm+0x11/0x20 [ 31.346744][ T62] [ 31.374892][ T62] br: port 3(d3) entered forwarding state [ 31.377397][ T529] br: port 2(d2) entered blocking state [ 31.377629][ T529] br: port 2(d2) entered forwarding state [ 31.416663][ T529] br: port 1(d1) entered blocking state [ 31.416899][ T529] br: port 1(d1) entered forwarding state [ 32.136110][ T2162] br: port 1(d1) entered disabled state [ 32.736823][ T2213] br: port 1(d1) entered blocking state [ 32.736845][ T2213] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.736847][ T2213] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2213, name: ip [ 32.736849][ T2213] preempt_count: 202, expected: 0 [ 32.736849][ T2213] RCU nest depth: 0, expected: 0 [ 32.736850][ T2213] locks held by ip/2213: 6, last CPU#3: [ 32.736852][ T2213] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 32.736865][ T2213] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 32.736870][ T2213] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.736875][ T2213] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.736879][ T2213] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.736883][ T2213] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.736887][ T2213] irq event stamp: 17545 [ 32.736888][ T2213] hardirqs last enabled at (17544): [] __down_trylock_console_sem+0x86/0xa0 [ 32.736891][ T2213] hardirqs last disabled at (17545): [] console_emit_next_record+0x3d4/0x4c0 [ 32.736893][ T2213] softirqs last enabled at (17498): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 32.736896][ T2213] softirqs last disabled at (17540): [] br_device_event+0x5fd/0x8f0 [ 32.736898][ T2213] Preemption disabled at: [ 32.736899][ T2213] [<0000000000000000>] 0x0 [ 32.736906][ T2213] CPU: 3 UID: 0 PID: 2213 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.736909][ T2213] Tainted: [W]=WARN [ 32.736910][ T2213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.736912][ T2213] Call Trace: [ 32.736913][ T2213] [ 32.736915][ T2213] dump_stack_lvl+0x6f/0xa0 [ 32.736921][ T2213] __might_resched.cold+0x1fe/0x2c1 [ 32.736926][ T2213] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.736930][ T2213] ? __kmalloc_noprof+0xdb/0x760 [ 32.736934][ T2213] __kmalloc_noprof+0x443/0x760 [ 32.736936][ T2213] ? alloc_buf.isra.0+0x4b/0x260 [ 32.736942][ T2213] ? do_raw_spin_unlock+0x59/0x250 [ 32.736945][ T2213] alloc_buf.isra.0+0x4b/0x260 [ 32.736948][ T2213] put_chars+0x1e1/0x2f0 [ 32.736951][ T2213] ? __send_to_port+0x420/0x420 [ 32.736952][ T2213] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.736955][ T2213] ? validate_chain+0x38b/0xc20 [ 32.736961][ T2213] hvc_console_print+0x292/0x780 [ 32.736971][ T2213] ? hvc_write+0x3a0/0x3a0 [ 32.736973][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.736975][ T2213] ? lock_acquire+0x13c/0x160 [ 32.736979][ T2213] console_emit_next_record+0x22f/0x4c0 [ 32.736983][ T2213] ? devkmsg_read+0x4b0/0x4b0 [ 32.736985][ T2213] ? console_flush_one_record+0x106/0x710 [ 32.736988][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.736990][ T2213] ? lock_acquire+0x13c/0x160 [ 32.736993][ T2213] console_flush_one_record+0x46f/0x710 [ 32.736998][ T2213] ? console_emit_next_record+0x4c0/0x4c0 [ 32.736999][ T2213] ? __lock_acquire+0x518/0xc20 [ 32.737005][ T2213] console_unlock+0xee/0x1f0 [ 32.737007][ T2213] ? console_flush_one_record+0x710/0x710 [ 32.737009][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.737011][ T2213] ? lock_acquire+0xe0/0x160 [ 32.737014][ T2213] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.737016][ T2213] ? vprintk_emit+0x320/0x3e0 [ 32.737019][ T2213] vprintk_emit+0x37c/0x3e0 [ 32.737022][ T2213] ? wake_up_klogd_work_func+0x90/0x90 [ 32.737024][ T2213] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.737026][ T2213] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.737031][ T2213] _printk+0xc7/0x100 [ 32.737035][ T2213] ? snapshot_read.cold+0x21/0x21 [ 32.737040][ T2213] ? lock_acquire.part.0+0xd4/0x280 [ 32.737044][ T2213] br_set_state+0x22f/0x430 [ 32.737049][ T2213] br_init_port+0xc4/0x200 [ 32.737051][ T2213] br_stp_enable_port+0x12/0x50 [ 32.737053][ T2213] br_device_event+0x605/0x8f0 [ 32.737056][ T2213] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.737058][ T2213] ? nlmsg_notify+0x62/0x250 [ 32.737064][ T2213] notifier_call_chain+0xae/0x300 [ 32.737070][ T2213] __dev_notify_flags+0x1b7/0x450 [ 32.737075][ T2213] ? netif_change_name+0x8c0/0x8c0 [ 32.737078][ T2213] ? netif_set_allmulti+0x2c0/0x2c0 [ 32.737081][ T2213] ? kernel_text_address+0x149/0x170 [ 32.737084][ T2213] ? __kernel_text_address+0x12/0x30 [ 32.737085][ T2213] ? write_profile+0xf0/0xf0 [ 32.737090][ T2213] netif_change_flags+0xfe/0x190 [ 32.737094][ T2213] do_setlink.isra.0+0x1d25/0x2a60 [ 32.737097][ T2213] ? stack_trace_save+0x93/0xc0 [ 32.737099][ T2213] ? rtnl_link_get_size+0x350/0x350 [ 32.737100][ T2213] ? rcu_read_lock_any_held+0x66/0x90 [ 32.737102][ T2213] ? stack_depot_save_flags+0x38e/0x790 [ 32.737105][ T2213] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.737107][ T2213] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.737109][ T2213] ? validate_chain+0x38b/0xc20 [ 32.737111][ T2213] ? kasan_save_stack+0x3d/0x50 [ 32.737114][ T2213] ? kasan_save_stack+0x2f/0x50 [ 32.737115][ T2213] ? kasan_save_track+0x14/0x30 [ 32.737116][ T2213] ? __kasan_kmalloc+0x7b/0x90 [ 32.737118][ T2213] ? __lock_acquire+0x518/0xc20 [ 32.737120][ T2213] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 32.737123][ T2213] ? ___sys_sendmsg+0xd0/0x1d0 [ 32.737127][ T2213] ? lock_acquire.part.0+0xd4/0x280 [ 32.737129][ T2213] ? rtnl_newlink+0x9a8/0x11b0 [ 32.737131][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.737133][ T2213] ? lock_acquire+0x13c/0x160 [ 32.737135][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.737136][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.737137][ T2213] ? trace_contention_end+0xb3/0x180 [ 32.737140][ T2213] ? __mutex_lock+0x1db/0x1ea0 [ 32.737142][ T2213] ? __mutex_lock+0x9a3/0x1ea0 [ 32.737144][ T2213] ? rtnl_newlink+0x9a8/0x11b0 [ 32.737147][ T2213] ? ww_mutex_lock+0x160/0x160 [ 32.737151][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.737153][ T2213] ? __rtnl_newlink+0x3fa/0xa50 [ 32.737158][ T2213] rtnl_newlink+0x9f1/0x11b0 [ 32.737163][ T2213] ? rtnl_bridge_getlink+0x850/0x850 [ 32.737165][ T2213] ? __lock_acquire+0x518/0xc20 [ 32.737170][ T2213] ? lock_acquire.part.0+0xd4/0x280 [ 32.737172][ T2213] ? find_held_lock+0x2b/0x80 [ 32.737174][ T2213] ? rtnl_bridge_getlink+0x850/0x850 [ 32.737175][ T2213] ? __lock_release.isra.0+0x69/0x1a0 [ 32.737179][ T2213] ? rtnl_bridge_getlink+0x850/0x850 [ 32.737181][ T2213] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.737184][ T2213] ? rtnl_link_fill+0x920/0x920 [ 32.737186][ T2213] ? __lock_acquire+0x518/0xc20 [ 32.737190][ T2213] ? lock_acquire.part.0+0xd4/0x280 [ 32.737192][ T2213] ? find_held_lock+0x2b/0x80 [ 32.737195][ T2213] netlink_rcv_skb+0x14e/0x3a0 [ 32.737197][ T2213] ? rtnl_link_fill+0x920/0x920 [ 32.737200][ T2213] ? netlink_ack+0xcf0/0xcf0 [ 32.737206][ T2213] ? netlink_deliver_tap+0xc5/0x330 [ 32.737208][ T2213] ? netlink_deliver_tap+0x13c/0x330 [ 32.737212][ T2213] netlink_unicast+0x486/0x750 [ 32.737216][ T2213] ? netlink_attachskb+0x810/0x810 [ 32.737219][ T2213] ? find_held_lock+0x2b/0x80 [ 32.737223][ T2213] netlink_sendmsg+0x75b/0xc90 [ 32.737227][ T2213] ? netlink_unicast+0x750/0x750 [ 32.737230][ T2213] ? __lock_release.isra.0+0x69/0x1a0 [ 32.737232][ T2213] ? __import_iovec+0x36c/0x620 [ 32.737237][ T2213] __sock_sendmsg+0xce/0x190 [ 32.737240][ T2213] ____sys_sendmsg+0x61a/0x860 [ 32.737242][ T2213] ? copy_msghdr_from_user+0x279/0x420 [ 32.737244][ T2213] ? sock_write_iter+0x400/0x400 [ 32.737246][ T2213] ? move_addr_to_kernel+0x40/0x40 [ 32.737253][ T2213] ___sys_sendmsg+0x14e/0x1d0 [ 32.737256][ T2213] ? copy_msghdr_from_user+0x420/0x420 [ 32.737271][ T2213] __sys_sendmsg+0x12c/0x1d0 [ 32.737274][ T2213] ? __sys_sendmsg_sock+0x20/0x20 [ 32.737280][ T2213] ? rcu_is_watching+0x16/0xd0 [ 32.737283][ T2213] do_syscall_64+0xff/0x530 [ 32.737286][ T2213] ? exc_page_fault+0xee/0x100 [ 32.737289][ T2213] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.737291][ T2213] RIP: 0033:0x7fdeedd6354e [ 32.737294][ T2213] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.737296][ T2213] RSP: 002b:00007ffd8542d600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.737298][ T2213] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdeedd6354e [ 32.737300][ T2213] RDX: 0000000000000000 RSI: 00007ffd8542d6b0 RDI: 0000000000000005 [ 32.737301][ T2213] RBP: 00007ffd8542d610 R08: 0000000000000000 R09: 0000000000000000 [ 32.737301][ T2213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918698 [ 32.737302][ T2213] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8542dd70 [ 32.737309][ T2213] [ 32.775182][ T2213] br: port 1(d1) entered forwarding state [ 32.869583][ T2221] br: port 2(d2) entered disabled state [ 33.422676][ T62] br: port 2(d2) entered blocking state [ 33.423005][ T62] br: port 2(d2) entered forwarding state [ 33.515893][ T2280] br: port 1(d1) entered disabled state [ 33.606503][ T2288] br: port 2(d2) entered disabled state [ 34.173228][ T46] br: port 2(d2) entered blocking state [ 34.173247][ T46] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.173249][ T46] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 46, name: kworker/u17:1 [ 34.173251][ T46] preempt_count: 202, expected: 0 [ 34.173252][ T46] RCU nest depth: 0, expected: 0 [ 34.173253][ T46] locks held by kworker/u17:1/46: 8, last CPU#0: [ 34.173255][ T46] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 34.173269][ T46] #1: ffa000000032fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 34.173272][ T46] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 34.173278][ T46] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 34.173283][ T46] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.173288][ T46] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.173292][ T46] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.173295][ T46] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.173299][ T46] irq event stamp: 288319 [ 34.173300][ T46] hardirqs last enabled at (288318): [] __down_trylock_console_sem+0x86/0xa0 [ 34.173303][ T46] hardirqs last disabled at (288319): [] console_emit_next_record+0x3d4/0x4c0 [ 34.173305][ T46] softirqs last enabled at (288280): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 34.173308][ T46] softirqs last disabled at (288314): [] br_port_carrier_check+0x161/0x430 [ 34.173311][ T46] Preemption disabled at: [ 34.173311][ T46] [<0000000000000000>] 0x0 [ 34.173318][ T46] CPU: 0 UID: 0 PID: 46 Comm: kworker/u17:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.173322][ T46] Tainted: [W]=WARN [ 34.173323][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.173324][ T46] Workqueue: events_unbound linkwatch_event [ 34.173327][ T46] Call Trace: [ 34.173329][ T46] [ 34.173331][ T46] dump_stack_lvl+0x6f/0xa0 [ 34.173337][ T46] __might_resched.cold+0x1fe/0x2c1 [ 34.173342][ T46] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.173346][ T46] ? __kmalloc_noprof+0xdb/0x760 [ 34.173350][ T46] __kmalloc_noprof+0x443/0x760 [ 34.173352][ T46] ? alloc_buf.isra.0+0x4b/0x260 [ 34.173359][ T46] ? do_raw_spin_unlock+0x59/0x250 [ 34.173361][ T46] alloc_buf.isra.0+0x4b/0x260 [ 34.173365][ T46] put_chars+0x1e1/0x2f0 [ 34.173368][ T46] ? __send_to_port+0x420/0x420 [ 34.173370][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.173374][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.173376][ T46] ? validate_chain+0x38b/0xc20 [ 34.173380][ T46] hvc_console_print+0x292/0x780 [ 34.173384][ T46] ? mark_usage+0x61/0x170 [ 34.173386][ T46] ? __lock_acquire+0x518/0xc20 [ 34.173388][ T46] ? __lock_acquire+0x518/0xc20 [ 34.173392][ T46] ? hvc_write+0x3a0/0x3a0 [ 34.173394][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 34.173399][ T46] ? lock_acquire+0x13c/0x160 [ 34.173403][ T46] console_emit_next_record+0x22f/0x4c0 [ 34.173407][ T46] ? devkmsg_read+0x4b0/0x4b0 [ 34.173409][ T46] ? console_flush_one_record+0x106/0x710 [ 34.173412][ T46] ? rcu_is_watching+0x16/0xd0 [ 34.173414][ T46] ? lock_acquire+0x13c/0x160 [ 34.173418][ T46] console_flush_one_record+0x46f/0x710 [ 34.173422][ T46] ? console_emit_next_record+0x4c0/0x4c0 [ 34.173424][ T46] ? __lock_acquire+0x518/0xc20 [ 34.173430][ T46] console_unlock+0xee/0x1f0 [ 34.173433][ T46] ? console_flush_one_record+0x710/0x710 [ 34.173434][ T46] ? rcu_is_watching+0x16/0xd0 [ 34.173436][ T46] ? lock_acquire+0xe0/0x160 [ 34.173440][ T46] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.173442][ T46] ? vprintk_emit+0x320/0x3e0 [ 34.173445][ T46] vprintk_emit+0x37c/0x3e0 [ 34.173448][ T46] ? wake_up_klogd_work_func+0x90/0x90 [ 34.173450][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.173452][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.173456][ T46] _printk+0xc7/0x100 [ 34.173460][ T46] ? snapshot_read.cold+0x21/0x21 [ 34.173465][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 34.173469][ T46] br_set_state+0x22f/0x430 [ 34.173473][ T46] br_init_port+0xc4/0x200 [ 34.173476][ T46] br_stp_enable_port+0x12/0x50 [ 34.173478][ T46] br_port_carrier_check+0x220/0x430 [ 34.173482][ T46] br_device_event+0x52d/0x8f0 [ 34.173491][ T46] ? packet_sendmsg_spkt+0x1360/0x1360 [ 34.173493][ T46] ? nlmsg_notify+0x62/0x250 [ 34.173500][ T46] notifier_call_chain+0xae/0x300 [ 34.173506][ T46] netif_state_change+0x139/0x3d0 [ 34.173511][ T46] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 34.173516][ T46] ? linkwatch_do_dev+0xae/0xd0 [ 34.173518][ T46] __linkwatch_run_queue+0x350/0x850 [ 34.173521][ T46] ? linkwatch_do_dev+0xd0/0xd0 [ 34.173523][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 34.173528][ T46] linkwatch_event+0x7f/0xb0 [ 34.173530][ T46] ? __linkwatch_run_queue+0x850/0x850 [ 34.173533][ T46] process_one_work+0xe3e/0x1560 [ 34.173540][ T46] ? __queue_delayed_work+0x470/0x470 [ 34.173543][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 34.173551][ T46] worker_thread+0x4f1/0xd60 [ 34.173558][ T46] ? rescuer_thread+0x1340/0x1340 [ 34.173560][ T46] kthread+0x367/0x460 [ 34.173562][ T46] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.173565][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.173568][ T46] ret_from_fork+0x474/0x6b0 [ 34.173572][ T46] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 34.173576][ T46] ? __switch_to+0x5a3/0xe00 [ 34.173579][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.173582][ T46] ret_from_fork_asm+0x11/0x20 [ 34.173591][ T46] [ 34.195056][ T46] br: port 2(d2) entered forwarding state [ 34.225365][ T203] br: port 1(d1) entered blocking state [ 34.225609][ T203] br: port 1(d1) entered forwarding state [ 34.329235][ T2349] br: port 1(d1) entered disabled state [ 34.427692][ T2357] br: port 2(d2) entered disabled state [ 34.517843][ T2365] br: port 3(d3) entered disabled state [ 35.112602][ T62] br: port 3(d3) entered blocking state [ 35.112902][ T62] br: port 3(d3) entered forwarding state [ 35.148577][ T46] br: port 2(d2) entered blocking state [ 35.148835][ T46] br: port 2(d2) entered forwarding state [ 35.209509][ T39] br: port 1(d1) entered blocking state [ 35.209530][ T39] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.209533][ T39] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 39, name: kworker/u20:0 [ 35.209535][ T39] preempt_count: 202, expected: 0 [ 35.209536][ T39] RCU nest depth: 0, expected: 0 [ 35.209538][ T39] locks held by kworker/u20:0/39: 8, last CPU#3: [ 35.209540][ T39] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 35.209556][ T39] #1: ffa00000002bfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 35.209562][ T39] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 35.209569][ T39] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 35.209577][ T39] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 35.209583][ T39] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 35.209588][ T39] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 35.209594][ T39] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 35.209599][ T39] irq event stamp: 340231 [ 35.209600][ T39] hardirqs last enabled at (340230): [] __down_trylock_console_sem+0x86/0xa0 [ 35.209604][ T39] hardirqs last disabled at (340231): [] console_emit_next_record+0x3d4/0x4c0 [ 35.209607][ T39] softirqs last enabled at (340192): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 35.209611][ T39] softirqs last disabled at (340226): [] br_port_carrier_check+0x161/0x430 [ 35.209614][ T39] Preemption disabled at: [ 35.209615][ T39] [<0000000000000000>] 0x0 [ 35.209624][ T39] CPU: 3 UID: 0 PID: 39 Comm: kworker/u20:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.209629][ T39] Tainted: [W]=WARN [ 35.209630][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.209632][ T39] Workqueue: events_unbound linkwatch_event [ 35.209636][ T39] Call Trace: [ 35.209638][ T39] [ 35.209640][ T39] dump_stack_lvl+0x6f/0xa0 [ 35.209649][ T39] __might_resched.cold+0x1fe/0x2c1 [ 35.209655][ T39] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.209660][ T39] ? __kmalloc_noprof+0xdb/0x760 [ 35.209667][ T39] __kmalloc_noprof+0x443/0x760 [ 35.209670][ T39] ? alloc_buf.isra.0+0x4b/0x260 [ 35.209679][ T39] ? do_raw_spin_unlock+0x59/0x250 [ 35.209682][ T39] alloc_buf.isra.0+0x4b/0x260 [ 35.209688][ T39] put_chars+0x1e1/0x2f0 [ 35.209692][ T39] ? __send_to_port+0x420/0x420 [ 35.209697][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.209701][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.209705][ T39] ? validate_chain+0x38b/0xc20 [ 35.209712][ T39] hvc_console_print+0x292/0x780 [ 35.209716][ T39] ? mark_usage+0x61/0x170 [ 35.209719][ T39] ? __lock_acquire+0x518/0xc20 [ 35.209721][ T39] ? __lock_acquire+0x518/0xc20 [ 35.209729][ T39] ? hvc_write+0x3a0/0x3a0 [ 35.209731][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 35.209738][ T39] ? lock_acquire+0x13c/0x160 [ 35.209745][ T39] console_emit_next_record+0x22f/0x4c0 [ 35.209751][ T39] ? devkmsg_read+0x4b0/0x4b0 [ 35.209754][ T39] ? console_flush_one_record+0x106/0x710 [ 35.209759][ T39] ? rcu_is_watching+0x16/0xd0 [ 35.209762][ T39] ? lock_acquire+0x13c/0x160 [ 35.209769][ T39] console_flush_one_record+0x46f/0x710 [ 35.209775][ T39] ? console_emit_next_record+0x4c0/0x4c0 [ 35.209778][ T39] ? __lock_acquire+0x518/0xc20 [ 35.209787][ T39] console_unlock+0xee/0x1f0 [ 35.209791][ T39] ? console_flush_one_record+0x710/0x710 [ 35.209794][ T39] ? rcu_is_watching+0x16/0xd0 [ 35.209797][ T39] ? lock_acquire+0xe0/0x160 [ 35.209803][ T39] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.209805][ T39] ? vprintk_emit+0x320/0x3e0 [ 35.209810][ T39] vprintk_emit+0x37c/0x3e0 [ 35.209816][ T39] ? wake_up_klogd_work_func+0x90/0x90 [ 35.209819][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.209822][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.209828][ T39] _printk+0xc7/0x100 [ 35.209833][ T39] ? snapshot_read.cold+0x21/0x21 [ 35.209841][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 35.209848][ T39] br_set_state+0x22f/0x430 [ 35.209854][ T39] br_init_port+0xc4/0x200 [ 35.209858][ T39] br_stp_enable_port+0x12/0x50 [ 35.209861][ T39] br_port_carrier_check+0x220/0x430 [ 35.209867][ T39] br_device_event+0x52d/0x8f0 [ 35.209872][ T39] ? packet_sendmsg_spkt+0x1360/0x1360 [ 35.209874][ T39] ? nlmsg_notify+0x62/0x250 [ 35.209886][ T39] notifier_call_chain+0xae/0x300 [ 35.209895][ T39] netif_state_change+0x139/0x3d0 [ 35.209903][ T39] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 35.209911][ T39] ? linkwatch_do_dev+0xae/0xd0 [ 35.209914][ T39] __linkwatch_run_queue+0x350/0x850 [ 35.209919][ T39] ? linkwatch_do_dev+0xd0/0xd0 [ 35.209924][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 35.209931][ T39] linkwatch_event+0x7f/0xb0 [ 35.209934][ T39] ? __linkwatch_run_queue+0x850/0x850 [ 35.209940][ T39] process_one_work+0xe3e/0x1560 [ 35.209952][ T39] ? __queue_delayed_work+0x470/0x470 [ 35.209957][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 35.209973][ T39] worker_thread+0x4f1/0xd60 [ 35.209986][ T39] ? rescuer_thread+0x1340/0x1340 [ 35.209989][ T39] kthread+0x367/0x460 [ 35.209992][ T39] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.209996][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 35.210001][ T39] ret_from_fork+0x474/0x6b0 [ 35.210007][ T39] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 35.210012][ T39] ? __switch_to+0x5a3/0xe00 [ 35.210017][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 35.210021][ T39] ret_from_fork_asm+0x11/0x20 [ 35.210036][ T39] [ 35.246466][ T39] br: port 1(d1) entered forwarding state [ 35.947080][ T2476] br: port 1(d1) entered disabled state [ 36.503798][ T36] br: port 1(d1) entered blocking state [ 36.503817][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.503820][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 36.503821][ T36] preempt_count: 202, expected: 0 [ 36.503822][ T36] RCU nest depth: 0, expected: 0 [ 36.503823][ T36] locks held by kworker/u17:0/36: 8, last CPU#0: [ 36.503825][ T36] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 36.503839][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 36.503843][ T36] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 36.503848][ T36] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 36.503854][ T36] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 36.503858][ T36] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 36.503862][ T36] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 36.503866][ T36] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 36.503870][ T36] irq event stamp: 142195 [ 36.503870][ T36] hardirqs last enabled at (142194): [] __down_trylock_console_sem+0x86/0xa0 [ 36.503874][ T36] hardirqs last disabled at (142195): [] console_emit_next_record+0x3d4/0x4c0 [ 36.503876][ T36] softirqs last enabled at (142156): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 36.503878][ T36] softirqs last disabled at (142190): [] br_port_carrier_check+0x161/0x430 [ 36.503881][ T36] Preemption disabled at: [ 36.503881][ T36] [<0000000000000000>] 0x0 [ 36.503888][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.503892][ T36] Tainted: [W]=WARN [ 36.503892][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.503894][ T36] Workqueue: events_unbound linkwatch_event [ 36.503897][ T36] Call Trace: [ 36.503899][ T36] [ 36.503900][ T36] dump_stack_lvl+0x6f/0xa0 [ 36.503907][ T36] __might_resched.cold+0x1fe/0x2c1 [ 36.503911][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.503915][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 36.503919][ T36] __kmalloc_noprof+0x443/0x760 [ 36.503921][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 36.503928][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 36.503931][ T36] alloc_buf.isra.0+0x4b/0x260 [ 36.503935][ T36] put_chars+0x1e1/0x2f0 [ 36.503937][ T36] ? __send_to_port+0x420/0x420 [ 36.503940][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.503943][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.503946][ T36] ? validate_chain+0x38b/0xc20 [ 36.503950][ T36] hvc_console_print+0x292/0x780 [ 36.503954][ T36] ? mark_usage+0x61/0x170 [ 36.503955][ T36] ? __lock_acquire+0x518/0xc20 [ 36.503957][ T36] ? __lock_acquire+0x518/0xc20 [ 36.503962][ T36] ? hvc_write+0x3a0/0x3a0 [ 36.503963][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 36.503970][ T36] ? lock_acquire+0x13c/0x160 [ 36.503974][ T36] console_emit_next_record+0x22f/0x4c0 [ 36.503978][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 36.503980][ T36] ? console_flush_one_record+0x106/0x710 [ 36.503984][ T36] ? rcu_is_watching+0x16/0xd0 [ 36.503985][ T36] ? lock_acquire+0x13c/0x160 [ 36.503989][ T36] console_flush_one_record+0x46f/0x710 [ 36.503994][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 36.503996][ T36] ? __lock_acquire+0x518/0xc20 [ 36.504001][ T36] console_unlock+0xee/0x1f0 [ 36.504004][ T36] ? console_flush_one_record+0x710/0x710 [ 36.504006][ T36] ? rcu_is_watching+0x16/0xd0 [ 36.504007][ T36] ? lock_acquire+0xe0/0x160 [ 36.504011][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.504013][ T36] ? vprintk_emit+0x320/0x3e0 [ 36.504016][ T36] vprintk_emit+0x37c/0x3e0 [ 36.504019][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 36.504021][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.504023][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.504027][ T36] _printk+0xc7/0x100 [ 36.504030][ T36] ? snapshot_read.cold+0x21/0x21 [ 36.504036][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 36.504040][ T36] br_set_state+0x22f/0x430 [ 36.504044][ T36] br_init_port+0xc4/0x200 [ 36.504046][ T36] br_stp_enable_port+0x12/0x50 [ 36.504048][ T36] br_port_carrier_check+0x220/0x430 [ 36.504052][ T36] br_device_event+0x52d/0x8f0 [ 36.504055][ T36] ? packet_sendmsg_spkt+0x1360/0x1360 [ 36.504057][ T36] ? nlmsg_notify+0x62/0x250 [ 36.504064][ T36] notifier_call_chain+0xae/0x300 [ 36.504069][ T36] netif_state_change+0x139/0x3d0 [ 36.504074][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 36.504079][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 36.504081][ T36] __linkwatch_run_queue+0x350/0x850 [ 36.504084][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 36.504087][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 36.504091][ T36] linkwatch_event+0x7f/0xb0 [ 36.504093][ T36] ? __linkwatch_run_queue+0x850/0x850 [ 36.504097][ T36] process_one_work+0xe3e/0x1560 [ 36.504103][ T36] ? __queue_delayed_work+0x470/0x470 [ 36.504106][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 36.504114][ T36] worker_thread+0x4f1/0xd60 [ 36.504121][ T36] ? rescuer_thread+0x1340/0x1340 [ 36.504123][ T36] kthread+0x367/0x460 [ 36.504125][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.504129][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 36.504132][ T36] ret_from_fork+0x474/0x6b0 [ 36.504136][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 36.504139][ T36] ? __switch_to+0x5a3/0xe00 [ 36.504143][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 36.504145][ T36] ret_from_fork_asm+0x11/0x20 [ 36.504154][ T36] [ 36.527102][ T36] br: port 1(d1) entered forwarding state [ 36.596384][ T2535] br: port 2(d2) entered disabled state [ 37.146488][ T62] br: port 2(d2) entered blocking state [ 37.146798][ T62] br: port 2(d2) entered forwarding state [ 37.229705][ T2594] br: port 1(d1) entered disabled state [ 37.304903][ T2602] br: port 2(d2) entered disabled state [ 37.873145][ T2653] br: port 2(d2) entered blocking state [ 37.873166][ T2653] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 37.873168][ T2653] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2653, name: ip [ 37.873170][ T2653] preempt_count: 202, expected: 0 [ 37.873171][ T2653] RCU nest depth: 0, expected: 0 [ 37.873172][ T2653] locks held by ip/2653: 6, last CPU#2: [ 37.873174][ T2653] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 37.873187][ T2653] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 37.873192][ T2653] #2: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 37.873198][ T2653] #3: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 37.873202][ T2653] #4: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 37.873206][ T2653] #5: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 37.873210][ T2653] irq event stamp: 12973 [ 37.873211][ T2653] hardirqs last enabled at (12972): [] __down_trylock_console_sem+0x86/0xa0 [ 37.873214][ T2653] hardirqs last disabled at (12973): [] console_emit_next_record+0x3d4/0x4c0 [ 37.873216][ T2653] softirqs last enabled at (12934): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 37.873219][ T2653] softirqs last disabled at (12968): [] br_device_event+0x5fd/0x8f0 [ 37.873221][ T2653] Preemption disabled at: [ 37.873222][ T2653] [<0000000000000000>] 0x0 [ 37.873229][ T2653] CPU: 2 UID: 0 PID: 2653 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 37.873232][ T2653] Tainted: [W]=WARN [ 37.873233][ T2653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.873235][ T2653] Call Trace: [ 37.873237][ T2653] [ 37.873238][ T2653] dump_stack_lvl+0x6f/0xa0 [ 37.873245][ T2653] __might_resched.cold+0x1fe/0x2c1 [ 37.873249][ T2653] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 37.873253][ T2653] ? __kmalloc_noprof+0xdb/0x760 [ 37.873258][ T2653] __kmalloc_noprof+0x443/0x760 [ 37.873260][ T2653] ? alloc_buf.isra.0+0x4b/0x260 [ 37.873267][ T2653] ? do_raw_spin_unlock+0x59/0x250 [ 37.873270][ T2653] alloc_buf.isra.0+0x4b/0x260 [ 37.873273][ T2653] put_chars+0x1e1/0x2f0 [ 37.873276][ T2653] ? __send_to_port+0x420/0x420 [ 37.873277][ T2653] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 37.873281][ T2653] ? validate_chain+0x38b/0xc20 [ 37.873286][ T2653] hvc_console_print+0x292/0x780 [ 37.873294][ T2653] ? hvc_write+0x3a0/0x3a0 [ 37.873296][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873298][ T2653] ? lock_acquire+0x13c/0x160 [ 37.873302][ T2653] console_emit_next_record+0x22f/0x4c0 [ 37.873306][ T2653] ? devkmsg_read+0x4b0/0x4b0 [ 37.873308][ T2653] ? console_flush_one_record+0x106/0x710 [ 37.873311][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873313][ T2653] ? lock_acquire+0x13c/0x160 [ 37.873317][ T2653] console_flush_one_record+0x46f/0x710 [ 37.873321][ T2653] ? console_emit_next_record+0x4c0/0x4c0 [ 37.873323][ T2653] ? __lock_acquire+0x518/0xc20 [ 37.873328][ T2653] console_unlock+0xee/0x1f0 [ 37.873331][ T2653] ? console_flush_one_record+0x710/0x710 [ 37.873333][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873334][ T2653] ? lock_acquire+0xe0/0x160 [ 37.873338][ T2653] ? __down_trylock_console_sem+0x5e/0xa0 [ 37.873340][ T2653] ? vprintk_emit+0x320/0x3e0 [ 37.873342][ T2653] vprintk_emit+0x37c/0x3e0 [ 37.873345][ T2653] ? wake_up_klogd_work_func+0x90/0x90 [ 37.873347][ T2653] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 37.873349][ T2653] ? rcu_read_lock_any_held+0x3c/0x90 [ 37.873354][ T2653] _printk+0xc7/0x100 [ 37.873358][ T2653] ? snapshot_read.cold+0x21/0x21 [ 37.873363][ T2653] ? lock_acquire.part.0+0xd4/0x280 [ 37.873367][ T2653] br_set_state+0x22f/0x430 [ 37.873371][ T2653] br_init_port+0xc4/0x200 [ 37.873374][ T2653] br_stp_enable_port+0x12/0x50 [ 37.873375][ T2653] br_device_event+0x605/0x8f0 [ 37.873378][ T2653] ? packet_sendmsg_spkt+0x1360/0x1360 [ 37.873380][ T2653] ? nlmsg_notify+0x62/0x250 [ 37.873387][ T2653] notifier_call_chain+0xae/0x300 [ 37.873393][ T2653] __dev_notify_flags+0x1b7/0x450 [ 37.873398][ T2653] ? netif_change_name+0x8c0/0x8c0 [ 37.873401][ T2653] ? netif_set_allmulti+0x2c0/0x2c0 [ 37.873404][ T2653] ? kernel_text_address+0x149/0x170 [ 37.873407][ T2653] ? __kernel_text_address+0x12/0x30 [ 37.873408][ T2653] ? write_profile+0xf0/0xf0 [ 37.873413][ T2653] netif_change_flags+0xfe/0x190 [ 37.873417][ T2653] do_setlink.isra.0+0x1d25/0x2a60 [ 37.873420][ T2653] ? stack_trace_save+0x93/0xc0 [ 37.873423][ T2653] ? rtnl_link_get_size+0x350/0x350 [ 37.873424][ T2653] ? rcu_read_lock_any_held+0x66/0x90 [ 37.873426][ T2653] ? stack_depot_save_flags+0x38e/0x790 [ 37.873429][ T2653] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 37.873431][ T2653] ? rcu_read_lock_any_held+0x3c/0x90 [ 37.873433][ T2653] ? validate_chain+0x38b/0xc20 [ 37.873435][ T2653] ? kasan_save_stack+0x3d/0x50 [ 37.873438][ T2653] ? kasan_save_stack+0x2f/0x50 [ 37.873439][ T2653] ? kasan_save_track+0x14/0x30 [ 37.873440][ T2653] ? __kasan_kmalloc+0x7b/0x90 [ 37.873442][ T2653] ? __lock_acquire+0x518/0xc20 [ 37.873444][ T2653] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 37.873447][ T2653] ? ___sys_sendmsg+0xd0/0x1d0 [ 37.873451][ T2653] ? lock_acquire.part.0+0xd4/0x280 [ 37.873453][ T2653] ? rtnl_newlink+0x9a8/0x11b0 [ 37.873455][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873457][ T2653] ? lock_acquire+0x13c/0x160 [ 37.873459][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873460][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873461][ T2653] ? trace_contention_end+0xb3/0x180 [ 37.873464][ T2653] ? __mutex_lock+0x1db/0x1ea0 [ 37.873467][ T2653] ? __mutex_lock+0x9a3/0x1ea0 [ 37.873468][ T2653] ? rtnl_newlink+0x9a8/0x11b0 [ 37.873472][ T2653] ? ww_mutex_lock+0x160/0x160 [ 37.873475][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873477][ T2653] ? __rtnl_newlink+0x3fa/0xa50 [ 37.873483][ T2653] rtnl_newlink+0x9f1/0x11b0 [ 37.873488][ T2653] ? rtnl_bridge_getlink+0x850/0x850 [ 37.873490][ T2653] ? __lock_acquire+0x518/0xc20 [ 37.873494][ T2653] ? lock_acquire.part.0+0xd4/0x280 [ 37.873496][ T2653] ? find_held_lock+0x2b/0x80 [ 37.873504][ T2653] ? rtnl_bridge_getlink+0x850/0x850 [ 37.873506][ T2653] ? __lock_release.isra.0+0x69/0x1a0 [ 37.873510][ T2653] ? rtnl_bridge_getlink+0x850/0x850 [ 37.873512][ T2653] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 37.873515][ T2653] ? rtnl_link_fill+0x920/0x920 [ 37.873516][ T2653] ? __lock_acquire+0x518/0xc20 [ 37.873521][ T2653] ? lock_acquire.part.0+0xd4/0x280 [ 37.873522][ T2653] ? find_held_lock+0x2b/0x80 [ 37.873526][ T2653] netlink_rcv_skb+0x14e/0x3a0 [ 37.873528][ T2653] ? rtnl_link_fill+0x920/0x920 [ 37.873531][ T2653] ? netlink_ack+0xcf0/0xcf0 [ 37.873537][ T2653] ? netlink_deliver_tap+0xc5/0x330 [ 37.873539][ T2653] ? netlink_deliver_tap+0x13c/0x330 [ 37.873543][ T2653] netlink_unicast+0x486/0x750 [ 37.873547][ T2653] ? netlink_attachskb+0x810/0x810 [ 37.873550][ T2653] ? find_held_lock+0x2b/0x80 [ 37.873554][ T2653] netlink_sendmsg+0x75b/0xc90 [ 37.873558][ T2653] ? netlink_unicast+0x750/0x750 [ 37.873562][ T2653] ? __lock_release.isra.0+0x69/0x1a0 [ 37.873563][ T2653] ? __import_iovec+0x36c/0x620 [ 37.873569][ T2653] __sock_sendmsg+0xce/0x190 [ 37.873572][ T2653] ____sys_sendmsg+0x61a/0x860 [ 37.873574][ T2653] ? copy_msghdr_from_user+0x279/0x420 [ 37.873576][ T2653] ? sock_write_iter+0x400/0x400 [ 37.873578][ T2653] ? move_addr_to_kernel+0x40/0x40 [ 37.873585][ T2653] ___sys_sendmsg+0x14e/0x1d0 [ 37.873588][ T2653] ? copy_msghdr_from_user+0x420/0x420 [ 37.873604][ T2653] __sys_sendmsg+0x12c/0x1d0 [ 37.873607][ T2653] ? __sys_sendmsg_sock+0x20/0x20 [ 37.873613][ T2653] ? rcu_is_watching+0x16/0xd0 [ 37.873616][ T2653] do_syscall_64+0xff/0x530 [ 37.873619][ T2653] ? exc_page_fault+0xee/0x100 [ 37.873622][ T2653] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 37.873624][ T2653] RIP: 0033:0x7f124533354e [ 37.873626][ T2653] 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 [ 37.873628][ T2653] RSP: 002b:00007ffd66ec6610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.873631][ T2653] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f124533354e [ 37.873632][ T2653] RDX: 0000000000000000 RSI: 00007ffd66ec66c0 RDI: 0000000000000005 [ 37.873633][ T2653] RBP: 00007ffd66ec6620 R08: 0000000000000000 R09: 0000000000000000 [ 37.873633][ T2653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91869d [ 37.873634][ T2653] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd66ec6d80 [ 37.873641][ T2653] [ 37.919345][ T2653] br: port 2(d2) entered forwarding state [ 37.954878][ T2655] br: port 1(d1) entered blocking state [ 37.955170][ T2655] br: port 1(d1) entered forwarding state [ 38.033439][ T2663] br: port 1(d1) entered disabled state [ 38.124311][ T2671] br: port 2(d2) entered disabled state [ 38.210757][ T2679] br: port 3(d3) entered disabled state [ 38.825019][ T2730] br: port 3(d3) entered blocking state [ 38.825290][ T2730] br: port 3(d3) entered forwarding state [ 38.861976][ T2732] br: port 2(d2) entered blocking state [ 38.862409][ T2732] br: port 2(d2) entered forwarding state [ 38.913846][ T62] br: port 1(d1) entered blocking state [ 38.913866][ T62] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.913869][ T62] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 62, name: kworker/u19:1 [ 38.913870][ T62] preempt_count: 202, expected: 0 [ 38.913871][ T62] RCU nest depth: 0, expected: 0 [ 38.913872][ T62] locks held by kworker/u19:1/62: 8, last CPU#2: [ 38.913874][ T62] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 38.913888][ T62] #1: ffa000000042fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 38.913892][ T62] #2: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 38.913897][ T62] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 38.913903][ T62] #4: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 38.913907][ T62] #5: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 38.913911][ T62] #6: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 38.913915][ T62] #7: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 38.913919][ T62] irq event stamp: 247403 [ 38.913920][ T62] hardirqs last enabled at (247402): [] __down_trylock_console_sem+0x86/0xa0 [ 38.913923][ T62] hardirqs last disabled at (247403): [] console_emit_next_record+0x3d4/0x4c0 [ 38.913925][ T62] softirqs last enabled at (247364): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 38.913927][ T62] softirqs last disabled at (247398): [] br_port_carrier_check+0x161/0x430 [ 38.913930][ T62] Preemption disabled at: [ 38.913930][ T62] [<0000000000000000>] 0x0 [ 38.913938][ T62] CPU: 2 UID: 0 PID: 62 Comm: kworker/u19:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.913942][ T62] Tainted: [W]=WARN [ 38.913943][ T62] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.913944][ T62] Workqueue: events_unbound linkwatch_event [ 38.913948][ T62] Call Trace: [ 38.913949][ T62] [ 38.913951][ T62] dump_stack_lvl+0x6f/0xa0 [ 38.913958][ T62] __might_resched.cold+0x1fe/0x2c1 [ 38.913962][ T62] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.913966][ T62] ? __kmalloc_noprof+0xdb/0x760 [ 38.913973][ T62] __kmalloc_noprof+0x443/0x760 [ 38.913975][ T62] ? alloc_buf.isra.0+0x4b/0x260 [ 38.913981][ T62] ? do_raw_spin_unlock+0x59/0x250 [ 38.913984][ T62] alloc_buf.isra.0+0x4b/0x260 [ 38.913988][ T62] put_chars+0x1e1/0x2f0 [ 38.913990][ T62] ? __send_to_port+0x420/0x420 [ 38.913993][ T62] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.913996][ T62] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.913999][ T62] ? validate_chain+0x38b/0xc20 [ 38.914003][ T62] hvc_console_print+0x292/0x780 [ 38.914007][ T62] ? mark_usage+0x61/0x170 [ 38.914009][ T62] ? __lock_acquire+0x518/0xc20 [ 38.914011][ T62] ? __lock_acquire+0x518/0xc20 [ 38.914015][ T62] ? hvc_write+0x3a0/0x3a0 [ 38.914017][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 38.914021][ T62] ? lock_acquire+0x13c/0x160 [ 38.914025][ T62] console_emit_next_record+0x22f/0x4c0 [ 38.914029][ T62] ? devkmsg_read+0x4b0/0x4b0 [ 38.914031][ T62] ? console_flush_one_record+0x106/0x710 [ 38.914034][ T62] ? rcu_is_watching+0x16/0xd0 [ 38.914036][ T62] ? lock_acquire+0x13c/0x160 [ 38.914040][ T62] console_flush_one_record+0x46f/0x710 [ 38.914045][ T62] ? console_emit_next_record+0x4c0/0x4c0 [ 38.914047][ T62] ? __lock_acquire+0x518/0xc20 [ 38.914052][ T62] console_unlock+0xee/0x1f0 [ 38.914055][ T62] ? console_flush_one_record+0x710/0x710 [ 38.914057][ T62] ? rcu_is_watching+0x16/0xd0 [ 38.914059][ T62] ? lock_acquire+0xe0/0x160 [ 38.914063][ T62] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.914064][ T62] ? vprintk_emit+0x320/0x3e0 [ 38.914067][ T62] vprintk_emit+0x37c/0x3e0 [ 38.914071][ T62] ? wake_up_klogd_work_func+0x90/0x90 [ 38.914073][ T62] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.914075][ T62] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.914078][ T62] _printk+0xc7/0x100 [ 38.914082][ T62] ? snapshot_read.cold+0x21/0x21 [ 38.914087][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 38.914091][ T62] br_set_state+0x22f/0x430 [ 38.914096][ T62] br_init_port+0xc4/0x200 [ 38.914098][ T62] br_stp_enable_port+0x12/0x50 [ 38.914100][ T62] br_port_carrier_check+0x220/0x430 [ 38.914104][ T62] br_device_event+0x52d/0x8f0 [ 38.914107][ T62] ? packet_sendmsg_spkt+0x1360/0x1360 [ 38.914109][ T62] ? nlmsg_notify+0x62/0x250 [ 38.914116][ T62] notifier_call_chain+0xae/0x300 [ 38.914122][ T62] netif_state_change+0x139/0x3d0 [ 38.914127][ T62] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 38.914132][ T62] ? linkwatch_do_dev+0xae/0xd0 [ 38.914134][ T62] __linkwatch_run_queue+0x350/0x850 [ 38.914137][ T62] ? linkwatch_do_dev+0xd0/0xd0 [ 38.914139][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 38.914144][ T62] linkwatch_event+0x7f/0xb0 [ 38.914146][ T62] ? __linkwatch_run_queue+0x850/0x850 [ 38.914149][ T62] process_one_work+0xe3e/0x1560 [ 38.914156][ T62] ? __queue_delayed_work+0x470/0x470 [ 38.914159][ T62] ? lock_acquire.part.0+0xd4/0x280 [ 38.914166][ T62] worker_thread+0x4f1/0xd60 [ 38.914174][ T62] ? rescuer_thread+0x1340/0x1340 [ 38.914176][ T62] kthread+0x367/0x460 [ 38.914178][ T62] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.914181][ T62] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.914184][ T62] ret_from_fork+0x474/0x6b0 [ 38.914188][ T62] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 38.914192][ T62] ? __switch_to+0x5a3/0xe00 [ 38.914195][ T62] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.914198][ T62] ret_from_fork_asm+0x11/0x20 [ 38.914207][ T62] [ 38.940338][ T62] br: port 1(d1) entered forwarding state [ 39.753271][ T2782] d3: left allmulticast mode [ 39.753693][ T2782] d3: left promiscuous mode [ 39.754223][ T2782] br: port 3(d3) entered disabled state [ 39.948305][ T2790] d2: left allmulticast mode [ 39.948326][ T2790] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 39.948328][ T2790] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2790, name: ip [ 39.948330][ T2790] preempt_count: 1, expected: 0 [ 39.948330][ T2790] RCU nest depth: 0, expected: 0 [ 39.948331][ T2790] locks held by ip/2790: 5, last CPU#3: [ 39.948333][ T2790] #0: ffffffff8cb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 39.948345][ T2790] #1: ffffffff8c37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 39.948351][ T2790] #2: ffffffff8c37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 39.948355][ T2790] #3: ffffffff8c29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 39.948359][ T2790] #4: ffffffff8c29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 39.948363][ T2790] irq event stamp: 13700 [ 39.948364][ T2790] hardirqs last enabled at (13699): [] __down_trylock_console_sem+0x86/0xa0 [ 39.948367][ T2790] hardirqs last disabled at (13700): [] console_emit_next_record+0x3d4/0x4c0 [ 39.948369][ T2790] softirqs last enabled at (13670): [] __alloc_skb+0x4c2/0x5f0 [ 39.948373][ T2790] softirqs last disabled at (13668): [] __alloc_skb+0x4c2/0x5f0 [ 39.948375][ T2790] Preemption disabled at: [ 39.948376][ T2790] [] vprintk_emit+0x31b/0x3e0 [ 39.948381][ T2790] CPU: 3 UID: 0 PID: 2790 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 39.948385][ T2790] Tainted: [W]=WARN [ 39.948385][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.948387][ T2790] Call Trace: [ 39.948389][ T2790] [ 39.948390][ T2790] dump_stack_lvl+0x6f/0xa0 [ 39.948396][ T2790] ? vprintk_emit+0x31b/0x3e0 [ 39.948398][ T2790] __might_resched.cold+0x1fe/0x2c1 [ 39.948403][ T2790] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 39.948407][ T2790] ? __kmalloc_noprof+0xdb/0x760 [ 39.948411][ T2790] __kmalloc_noprof+0x443/0x760 [ 39.948413][ T2790] ? alloc_buf.isra.0+0x4b/0x260 [ 39.948419][ T2790] ? do_raw_spin_unlock+0x59/0x250 [ 39.948422][ T2790] alloc_buf.isra.0+0x4b/0x260 [ 39.948426][ T2790] put_chars+0x1e1/0x2f0 [ 39.948428][ T2790] ? __send_to_port+0x420/0x420 [ 39.948431][ T2790] ? validate_chain+0x38b/0xc20 [ 39.948437][ T2790] hvc_console_print+0x292/0x780 [ 39.948444][ T2790] ? hvc_write+0x3a0/0x3a0 [ 39.948447][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948450][ T2790] ? lock_acquire+0x13c/0x160 [ 39.948454][ T2790] console_emit_next_record+0x22f/0x4c0 [ 39.948458][ T2790] ? devkmsg_read+0x4b0/0x4b0 [ 39.948460][ T2790] ? console_flush_one_record+0x106/0x710 [ 39.948463][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948465][ T2790] ? lock_acquire+0x13c/0x160 [ 39.948469][ T2790] console_flush_one_record+0x46f/0x710 [ 39.948473][ T2790] ? console_emit_next_record+0x4c0/0x4c0 [ 39.948475][ T2790] ? __lock_acquire+0x518/0xc20 [ 39.948481][ T2790] console_unlock+0xee/0x1f0 [ 39.948484][ T2790] ? console_flush_one_record+0x710/0x710 [ 39.948485][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948487][ T2790] ? lock_acquire+0xe0/0x160 [ 39.948491][ T2790] ? __down_trylock_console_sem+0x5e/0xa0 [ 39.948493][ T2790] ? vprintk_emit+0x320/0x3e0 [ 39.948495][ T2790] vprintk_emit+0x37c/0x3e0 [ 39.948499][ T2790] ? wake_up_klogd_work_func+0x90/0x90 [ 39.948500][ T2790] ? rtnl_newlink+0x9f1/0x11b0 [ 39.948501][ T2790] ? netlink_rcv_skb+0x14e/0x3a0 [ 39.948504][ T2790] ? netlink_unicast+0x486/0x750 [ 39.948511][ T2790] ? netlink_sendmsg+0x75b/0xc90 [ 39.948513][ T2790] ? __sock_sendmsg+0xce/0x190 [ 39.948516][ T2790] ? ____sys_sendmsg+0x61a/0x860 [ 39.948517][ T2790] ? ___sys_sendmsg+0x14e/0x1d0 [ 39.948521][ T2790] _printk+0xc7/0x100 [ 39.948524][ T2790] ? snapshot_read.cold+0x21/0x21 [ 39.948529][ T2790] ? netdev_name+0x43/0x60 [ 39.948532][ T2790] ? __netdev_printk+0x17f/0x1d0 [ 39.948536][ T2790] netdev_info+0xe2/0x116 [ 39.948539][ T2790] ? netdev_notice+0x120/0x120 [ 39.948543][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948545][ T2790] ? __up_read+0x355/0x9e0 [ 39.948548][ T2790] ? down_write_nested+0x200/0x200 [ 39.948550][ T2790] ? mutex_is_locked+0x1c/0x50 [ 39.948552][ T2790] netif_set_allmulti.cold+0x7c/0x166 [ 39.948556][ T2790] dev_set_allmulti+0xa6/0x240 [ 39.948560][ T2790] del_nbp+0xb7/0xc10 [ 39.948566][ T2790] br_del_if+0xab/0x200 [ 39.948568][ T2790] ? rtnl_is_locked+0x15/0x20 [ 39.948571][ T2790] do_set_master+0x15c/0x780 [ 39.948575][ T2790] do_setlink.isra.0+0x9ec/0x2a60 [ 39.948578][ T2790] ? stack_trace_save+0x93/0xc0 [ 39.948581][ T2790] ? rtnl_link_get_size+0x350/0x350 [ 39.948583][ T2790] ? rcu_read_lock_any_held+0x66/0x90 [ 39.948586][ T2790] ? stack_depot_save_flags+0x38e/0x790 [ 39.948589][ T2790] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 39.948591][ T2790] ? rcu_read_lock_any_held+0x3c/0x90 [ 39.948593][ T2790] ? validate_chain+0x38b/0xc20 [ 39.948595][ T2790] ? kasan_save_stack+0x3d/0x50 [ 39.948598][ T2790] ? kasan_save_stack+0x2f/0x50 [ 39.948599][ T2790] ? kasan_save_track+0x14/0x30 [ 39.948600][ T2790] ? __kasan_kmalloc+0x7b/0x90 [ 39.948602][ T2790] ? __lock_acquire+0x518/0xc20 [ 39.948604][ T2790] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 39.948606][ T2790] ? ___sys_sendmsg+0xd0/0x1d0 [ 39.948610][ T2790] ? lock_acquire.part.0+0xd4/0x280 [ 39.948612][ T2790] ? rtnl_newlink+0x9a8/0x11b0 [ 39.948614][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948616][ T2790] ? lock_acquire+0x13c/0x160 [ 39.948618][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948619][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948620][ T2790] ? trace_contention_end+0xb3/0x180 [ 39.948623][ T2790] ? __mutex_lock+0x1db/0x1ea0 [ 39.948625][ T2790] ? __mutex_lock+0x9a3/0x1ea0 [ 39.948627][ T2790] ? rtnl_newlink+0x9a8/0x11b0 [ 39.948630][ T2790] ? ww_mutex_lock+0x160/0x160 [ 39.948632][ T2790] ? nla_get_range_signed+0x3d0/0x3d0 [ 39.948637][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948639][ T2790] ? __rtnl_newlink+0x3fa/0xa50 [ 39.948644][ T2790] rtnl_newlink+0x9f1/0x11b0 [ 39.948649][ T2790] ? rtnl_bridge_getlink+0x850/0x850 [ 39.948651][ T2790] ? __lock_acquire+0x518/0xc20 [ 39.948656][ T2790] ? lock_acquire.part.0+0xd4/0x280 [ 39.948658][ T2790] ? find_held_lock+0x2b/0x80 [ 39.948660][ T2790] ? rtnl_bridge_getlink+0x850/0x850 [ 39.948661][ T2790] ? __lock_release.isra.0+0x69/0x1a0 [ 39.948665][ T2790] ? rtnl_bridge_getlink+0x850/0x850 [ 39.948667][ T2790] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 39.948670][ T2790] ? rtnl_link_fill+0x920/0x920 [ 39.948672][ T2790] ? __lock_acquire+0x518/0xc20 [ 39.948676][ T2790] ? lock_acquire.part.0+0xd4/0x280 [ 39.948678][ T2790] ? find_held_lock+0x2b/0x80 [ 39.948681][ T2790] netlink_rcv_skb+0x14e/0x3a0 [ 39.948683][ T2790] ? rtnl_link_fill+0x920/0x920 [ 39.948686][ T2790] ? netlink_ack+0xcf0/0xcf0 [ 39.948693][ T2790] ? netlink_deliver_tap+0xc5/0x330 [ 39.948695][ T2790] ? netlink_deliver_tap+0x13c/0x330 [ 39.948699][ T2790] netlink_unicast+0x486/0x750 [ 39.948703][ T2790] ? netlink_attachskb+0x810/0x810 [ 39.948705][ T2790] ? find_held_lock+0x2b/0x80 [ 39.948710][ T2790] netlink_sendmsg+0x75b/0xc90 [ 39.948714][ T2790] ? netlink_unicast+0x750/0x750 [ 39.948717][ T2790] ? __lock_release.isra.0+0x69/0x1a0 [ 39.948719][ T2790] ? __import_iovec+0x36c/0x620 [ 39.948724][ T2790] __sock_sendmsg+0xce/0x190 [ 39.948727][ T2790] ____sys_sendmsg+0x61a/0x860 [ 39.948729][ T2790] ? copy_msghdr_from_user+0x279/0x420 [ 39.948731][ T2790] ? sock_write_iter+0x400/0x400 [ 39.948733][ T2790] ? move_addr_to_kernel+0x40/0x40 [ 39.948740][ T2790] ___sys_sendmsg+0x14e/0x1d0 [ 39.948743][ T2790] ? copy_msghdr_from_user+0x420/0x420 [ 39.948759][ T2790] __sys_sendmsg+0x12c/0x1d0 [ 39.948762][ T2790] ? __sys_sendmsg_sock+0x20/0x20 [ 39.948768][ T2790] ? rcu_is_watching+0x16/0xd0 [ 39.948771][ T2790] do_syscall_64+0xff/0x530 [ 39.948774][ T2790] ? exc_page_fault+0xee/0x100 [ 39.948777][ T2790] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 39.948780][ T2790] RIP: 0033:0x7f256c9cd54e [ 39.948783][ T2790] 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 [ 39.948785][ T2790] RSP: 002b:00007fffc5af2dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.948788][ T2790] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f256c9cd54e [ 39.948789][ T2790] RDX: 0000000000000000 RSI: 00007fffc5af2e70 RDI: 0000000000000005 [ 39.948790][ T2790] RBP: 00007fffc5af2dd0 R08: 0000000000000000 R09: 0000000000000000 [ 39.948791][ T2790] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91869f [ 39.948791][ T2790] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc5af3530 [ 39.948798][ T2790] [ 39.986067][ T2790] d2: left promiscuous mode [ 39.986471][ T2790] br: port 2(d2) entered disabled state [ 40.178361][ T2798] d1: left allmulticast mode [ 40.186542][ T2798] d1: left promiscuous mode [ 40.187070][ T2798] br: port 1(d1) entered disabled state