[ 9.364889][ T227] br: port 1(d1) entered blocking state [ 9.364953][ T227] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.364955][ T227] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 227, name: ip [ 9.364956][ T227] preempt_count: 1, expected: 0 [ 9.364957][ T227] RCU nest depth: 0, expected: 0 [ 9.364958][ T227] locks held by ip/227: 5, last CPU#3: [ 9.364960][ T227] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 9.364971][ T227] #1: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.364977][ T227] #2: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.364981][ T227] #3: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.364985][ T227] #4: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.364988][ T227] irq event stamp: 13666 [ 9.364989][ T227] hardirqs last enabled at (13665): [] __down_trylock_console_sem+0x86/0xa0 [ 9.364992][ T227] hardirqs last disabled at (13666): [] console_emit_next_record+0x3d4/0x4c0 [ 9.364995][ T227] softirqs last enabled at (13578): [] __alloc_skb+0x4c2/0x5f0 [ 9.364998][ T227] softirqs last disabled at (13576): [] __alloc_skb+0x4c2/0x5f0 [ 9.365000][ T227] Preemption disabled at: [ 9.365001][ T227] [] vprintk_emit+0x31b/0x3e0 [ 9.365006][ T227] CPU: 3 UID: 0 PID: 227 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.365009][ T227] Tainted: [W]=WARN [ 9.365010][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.365012][ T227] Call Trace: [ 9.365013][ T227] [ 9.365015][ T227] dump_stack_lvl+0x6f/0xa0 [ 9.365020][ T227] ? vprintk_emit+0x31b/0x3e0 [ 9.365022][ T227] __might_resched.cold+0x1fe/0x2c1 [ 9.365026][ T227] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.365030][ T227] ? __kmalloc_noprof+0xdb/0x760 [ 9.365035][ T227] __kmalloc_noprof+0x443/0x760 [ 9.365036][ T227] ? alloc_buf.isra.0+0x4b/0x260 [ 9.365043][ T227] ? do_raw_spin_unlock+0x59/0x250 [ 9.365046][ T227] alloc_buf.isra.0+0x4b/0x260 [ 9.365049][ T227] put_chars+0x1e1/0x2f0 [ 9.365051][ T227] ? __send_to_port+0x420/0x420 [ 9.365054][ T227] ? validate_chain+0x34a/0xc20 [ 9.365059][ T227] hvc_console_print+0x292/0x780 [ 9.365067][ T227] ? hvc_write+0x3a0/0x3a0 [ 9.365070][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365072][ T227] ? lock_acquire+0x13c/0x160 [ 9.365076][ T227] console_emit_next_record+0x22f/0x4c0 [ 9.365080][ T227] ? devkmsg_read+0x4b0/0x4b0 [ 9.365082][ T227] ? console_flush_one_record+0x106/0x710 [ 9.365085][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365087][ T227] ? lock_acquire+0x13c/0x160 [ 9.365090][ T227] console_flush_one_record+0x46f/0x710 [ 9.365094][ T227] ? console_emit_next_record+0x4c0/0x4c0 [ 9.365096][ T227] ? __lock_acquire+0x518/0xc20 [ 9.365102][ T227] console_unlock+0xee/0x1f0 [ 9.365104][ T227] ? console_flush_one_record+0x710/0x710 [ 9.365106][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365108][ T227] ? lock_acquire+0xe0/0x160 [ 9.365111][ T227] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.365113][ T227] ? vprintk_emit+0x320/0x3e0 [ 9.365116][ T227] vprintk_emit+0x37c/0x3e0 [ 9.365119][ T227] ? wake_up_klogd_work_func+0x90/0x90 [ 9.365120][ T227] ? __lock_release.isra.0+0x69/0x1a0 [ 9.365122][ T227] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 9.365126][ T227] ? mark_held_locks+0x40/0x70 [ 9.365130][ T227] _printk+0xc7/0x100 [ 9.365133][ T227] ? snapshot_read.cold+0x21/0x21 [ 9.365136][ T227] ? br_multicast_flood+0x960/0x960 [ 9.365140][ T227] ? do_setlink.isra.0+0x9ec/0x2a60 [ 9.365141][ T227] ? rtnl_newlink+0x9f1/0x11b0 [ 9.365142][ T227] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 9.365147][ T227] br_set_state+0x22f/0x430 [ 9.365151][ T227] br_init_port+0xc4/0x200 [ 9.365153][ T227] new_nbp+0x3a0/0x650 [ 9.365157][ T227] br_add_if+0x212/0x1320 [ 9.365159][ T227] ? is_bpf_text_address+0x72/0x110 [ 9.365162][ T227] ? kernel_text_address+0x149/0x170 [ 9.365168][ T227] do_set_master+0x3b2/0x780 [ 9.365171][ T227] do_setlink.isra.0+0x9ec/0x2a60 [ 9.365174][ T227] ? stack_trace_save+0x93/0xc0 [ 9.365178][ T227] ? rtnl_link_get_size+0x350/0x350 [ 9.365179][ T227] ? rcu_read_lock_any_held+0x66/0x90 [ 9.365182][ T227] ? stack_depot_save_flags+0x38e/0x790 [ 9.365185][ T227] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.365187][ T227] ? rcu_read_lock_any_held+0x3c/0x90 [ 9.365189][ T227] ? validate_chain+0x38b/0xc20 [ 9.365191][ T227] ? kasan_save_stack+0x3d/0x50 [ 9.365193][ T227] ? kasan_save_stack+0x2f/0x50 [ 9.365195][ T227] ? kasan_save_track+0x14/0x30 [ 9.365196][ T227] ? __kasan_kmalloc+0x7b/0x90 [ 9.365198][ T227] ? __lock_acquire+0x518/0xc20 [ 9.365200][ T227] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 9.365203][ T227] ? ___sys_sendmsg+0xd0/0x1d0 [ 9.365207][ T227] ? lock_acquire.part.0+0xd4/0x280 [ 9.365209][ T227] ? rtnl_newlink+0x9a8/0x11b0 [ 9.365211][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365213][ T227] ? lock_acquire+0x13c/0x160 [ 9.365214][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365215][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365217][ T227] ? trace_contention_end+0xb3/0x180 [ 9.365219][ T227] ? __mutex_lock+0x1db/0x1ea0 [ 9.365220][ T227] ? __mutex_lock+0x9a3/0x1ea0 [ 9.365222][ T227] ? rtnl_newlink+0x9a8/0x11b0 [ 9.365225][ T227] ? ww_mutex_lock+0x160/0x160 [ 9.365227][ T227] ? nla_get_range_signed+0x3d0/0x3d0 [ 9.365232][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365234][ T227] ? __rtnl_newlink+0x3fa/0xa50 [ 9.365239][ T227] rtnl_newlink+0x9f1/0x11b0 [ 9.365244][ T227] ? rtnl_bridge_getlink+0x850/0x850 [ 9.365246][ T227] ? __lock_acquire+0x518/0xc20 [ 9.365251][ T227] ? lock_acquire.part.0+0xd4/0x280 [ 9.365252][ T227] ? find_held_lock+0x2b/0x80 [ 9.365255][ T227] ? rtnl_bridge_getlink+0x850/0x850 [ 9.365256][ T227] ? __lock_release.isra.0+0x69/0x1a0 [ 9.365260][ T227] ? rtnl_bridge_getlink+0x850/0x850 [ 9.365262][ T227] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 9.365265][ T227] ? rtnl_link_fill+0x920/0x920 [ 9.365266][ T227] ? __lock_acquire+0x518/0xc20 [ 9.365271][ T227] ? lock_acquire.part.0+0xd4/0x280 [ 9.365273][ T227] ? find_held_lock+0x2b/0x80 [ 9.365276][ T227] netlink_rcv_skb+0x14e/0x3a0 [ 9.365279][ T227] ? rtnl_link_fill+0x920/0x920 [ 9.365282][ T227] ? netlink_ack+0xcf0/0xcf0 [ 9.365288][ T227] ? netlink_deliver_tap+0xc5/0x330 [ 9.365290][ T227] ? netlink_deliver_tap+0x13c/0x330 [ 9.365295][ T227] netlink_unicast+0x486/0x750 [ 9.365299][ T227] ? netlink_attachskb+0x810/0x810 [ 9.365301][ T227] ? find_held_lock+0x2b/0x80 [ 9.365306][ T227] netlink_sendmsg+0x75b/0xc90 [ 9.365309][ T227] ? netlink_unicast+0x750/0x750 [ 9.365313][ T227] ? __lock_release.isra.0+0x69/0x1a0 [ 9.365315][ T227] ? __import_iovec+0x36c/0x620 [ 9.365320][ T227] __sock_sendmsg+0xce/0x190 [ 9.365323][ T227] ____sys_sendmsg+0x61a/0x860 [ 9.365325][ T227] ? copy_msghdr_from_user+0x279/0x420 [ 9.365327][ T227] ? sock_write_iter+0x400/0x400 [ 9.365329][ T227] ? move_addr_to_kernel+0x40/0x40 [ 9.365336][ T227] ___sys_sendmsg+0x14e/0x1d0 [ 9.365339][ T227] ? copy_msghdr_from_user+0x420/0x420 [ 9.365355][ T227] __sys_sendmsg+0x12c/0x1d0 [ 9.365358][ T227] ? __sys_sendmsg_sock+0x20/0x20 [ 9.365364][ T227] ? rcu_is_watching+0x16/0xd0 [ 9.365367][ T227] do_syscall_64+0xff/0x530 [ 9.365370][ T227] ? exc_page_fault+0xee/0x100 [ 9.365373][ T227] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.365375][ T227] RIP: 0033:0x7f5bdeb0954e [ 9.365379][ T227] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 9.365380][ T227] RSP: 002b:00007ffed3f0f410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.365383][ T227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5bdeb0954e [ 9.365384][ T227] RDX: 0000000000000000 RSI: 00007ffed3f0f4c0 RDI: 0000000000000005 [ 9.365385][ T227] RBP: 00007ffed3f0f420 R08: 0000000000000000 R09: 0000000000000000 [ 9.365386][ T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b3 [ 9.365387][ T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed3f0fb80 [ 9.365393][ T227] [ 9.398448][ T227] br: port 1(d1) entered disabled state [ 9.398679][ T227] d1: entered allmulticast mode [ 9.399683][ T227] d1: entered promiscuous mode [ 9.400633][ T227] br: port 1(d1) entered blocking state [ 9.406406][ T227] br: port 1(d1) entered forwarding state [ 9.412189][ T227] ip (227) used greatest stack depth: 23336 bytes left [ 9.711286][ T255] br: port 2(d2) entered blocking state [ 9.711540][ T255] br: port 2(d2) entered disabled state [ 9.711768][ T255] d2: entered allmulticast mode [ 9.712794][ T255] d2: entered promiscuous mode [ 9.713381][ T255] br: port 2(d2) entered blocking state [ 9.713603][ T255] br: port 2(d2) entered forwarding state [ 10.026305][ T283] br: port 3(d3) entered blocking state [ 10.026611][ T283] br: port 3(d3) entered disabled state [ 10.026886][ T283] d3: entered allmulticast mode [ 10.027942][ T283] d3: entered promiscuous mode [ 10.028750][ T283] br: port 3(d3) entered blocking state [ 10.029006][ T283] br: port 3(d3) entered forwarding state [ 10.918426][ T378] br: port 1(d1) entered disabled state [ 10.918444][ T378] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.918446][ T378] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 378, name: ip [ 10.918447][ T378] preempt_count: 202, expected: 0 [ 10.918448][ T378] RCU nest depth: 0, expected: 0 [ 10.918449][ T378] locks held by ip/378: 6, last CPU#1: [ 10.918451][ T378] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 10.918462][ T378] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 10.918468][ T378] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.918473][ T378] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.918477][ T378] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.918480][ T378] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.918484][ T378] irq event stamp: 16293 [ 10.918485][ T378] hardirqs last enabled at (16292): [] __down_trylock_console_sem+0x86/0xa0 [ 10.918488][ T378] hardirqs last disabled at (16293): [] console_emit_next_record+0x3d4/0x4c0 [ 10.918490][ T378] softirqs last enabled at (16276): [] ipv6_mc_down+0x134/0x2d0 [ 10.918493][ T378] softirqs last disabled at (16288): [] br_device_event+0x1d7/0x8f0 [ 10.918495][ T378] Preemption disabled at: [ 10.918495][ T378] [<0000000000000000>] 0x0 [ 10.918502][ T378] CPU: 1 UID: 0 PID: 378 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.918505][ T378] Tainted: [W]=WARN [ 10.918506][ T378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.918508][ T378] Call Trace: [ 10.918509][ T378] [ 10.918511][ T378] dump_stack_lvl+0x6f/0xa0 [ 10.918521][ T378] __might_resched.cold+0x1fe/0x2c1 [ 10.918526][ T378] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.918530][ T378] ? __kmalloc_noprof+0xdb/0x760 [ 10.918534][ T378] __kmalloc_noprof+0x443/0x760 [ 10.918536][ T378] ? alloc_buf.isra.0+0x4b/0x260 [ 10.918543][ T378] ? do_raw_spin_unlock+0x59/0x250 [ 10.918545][ T378] alloc_buf.isra.0+0x4b/0x260 [ 10.918555][ T378] put_chars+0x1e1/0x2f0 [ 10.918557][ T378] ? __send_to_port+0x420/0x420 [ 10.918563][ T378] hvc_console_print+0x292/0x780 [ 10.918571][ T378] ? hvc_write+0x3a0/0x3a0 [ 10.918574][ T378] ? lock_acquire+0x13c/0x160 [ 10.918579][ T378] console_emit_next_record+0x22f/0x4c0 [ 10.918583][ T378] ? devkmsg_read+0x4b0/0x4b0 [ 10.918585][ T378] ? console_flush_one_record+0x106/0x710 [ 10.918588][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918591][ T378] ? lock_acquire+0x13c/0x160 [ 10.918595][ T378] console_flush_one_record+0x46f/0x710 [ 10.918599][ T378] ? console_emit_next_record+0x4c0/0x4c0 [ 10.918601][ T378] ? __lock_acquire+0x518/0xc20 [ 10.918606][ T378] console_unlock+0xee/0x1f0 [ 10.918609][ T378] ? console_flush_one_record+0x710/0x710 [ 10.918611][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918613][ T378] ? lock_acquire+0xe0/0x160 [ 10.918616][ T378] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.918618][ T378] ? vprintk_emit+0x320/0x3e0 [ 10.918621][ T378] vprintk_emit+0x37c/0x3e0 [ 10.918624][ T378] ? wake_up_klogd_work_func+0x90/0x90 [ 10.918625][ T378] ? mark_held_locks+0x40/0x70 [ 10.918628][ T378] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.918630][ T378] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.918634][ T378] _printk+0xc7/0x100 [ 10.918638][ T378] ? snapshot_read.cold+0x21/0x21 [ 10.918645][ T378] br_set_state+0x22f/0x430 [ 10.918650][ T378] br_stp_disable_port+0x11f/0x390 [ 10.918653][ T378] br_device_event+0x7b5/0x8f0 [ 10.918655][ T378] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 10.918659][ T378] ? packet_sendmsg_spkt+0x1360/0x1360 [ 10.918664][ T378] notifier_call_chain+0xae/0x300 [ 10.918670][ T378] __dev_notify_flags+0x23c/0x450 [ 10.918675][ T378] ? netif_change_name+0x8c0/0x8c0 [ 10.918678][ T378] ? netif_set_allmulti+0x2c0/0x2c0 [ 10.918682][ T378] ? __kernel_text_address+0x12/0x30 [ 10.918684][ T378] ? write_profile+0xf0/0xf0 [ 10.918689][ T378] netif_change_flags+0xfe/0x190 [ 10.918693][ T378] do_setlink.isra.0+0x1d25/0x2a60 [ 10.918696][ T378] ? stack_trace_save+0x93/0xc0 [ 10.918698][ T378] ? rtnl_link_get_size+0x350/0x350 [ 10.918699][ T378] ? rcu_read_lock_any_held+0x66/0x90 [ 10.918701][ T378] ? stack_depot_save_flags+0x38e/0x790 [ 10.918704][ T378] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.918706][ T378] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.918708][ T378] ? validate_chain+0x38b/0xc20 [ 10.918710][ T378] ? kasan_save_stack+0x3d/0x50 [ 10.918713][ T378] ? kasan_save_stack+0x2f/0x50 [ 10.918714][ T378] ? kasan_save_track+0x14/0x30 [ 10.918715][ T378] ? __kasan_kmalloc+0x7b/0x90 [ 10.918717][ T378] ? __lock_acquire+0x518/0xc20 [ 10.918719][ T378] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 10.918722][ T378] ? ___sys_sendmsg+0xd0/0x1d0 [ 10.918726][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 10.918728][ T378] ? rtnl_newlink+0x9a8/0x11b0 [ 10.918730][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918732][ T378] ? lock_acquire+0x13c/0x160 [ 10.918734][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918735][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918736][ T378] ? trace_contention_end+0xb3/0x180 [ 10.918739][ T378] ? __mutex_lock+0x1db/0x1ea0 [ 10.918740][ T378] ? __mutex_lock+0x9a3/0x1ea0 [ 10.918742][ T378] ? rtnl_newlink+0x9a8/0x11b0 [ 10.918745][ T378] ? ww_mutex_lock+0x160/0x160 [ 10.918749][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918751][ T378] ? __rtnl_newlink+0x3fa/0xa50 [ 10.918756][ T378] rtnl_newlink+0x9f1/0x11b0 [ 10.918761][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 10.918763][ T378] ? __lock_acquire+0x518/0xc20 [ 10.918768][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 10.918769][ T378] ? find_held_lock+0x2b/0x80 [ 10.918772][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 10.918773][ T378] ? __lock_release.isra.0+0x69/0x1a0 [ 10.918777][ T378] ? rtnl_bridge_getlink+0x850/0x850 [ 10.918779][ T378] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.918782][ T378] ? rtnl_link_fill+0x920/0x920 [ 10.918784][ T378] ? __lock_acquire+0x518/0xc20 [ 10.918788][ T378] ? lock_acquire.part.0+0xd4/0x280 [ 10.918790][ T378] ? find_held_lock+0x2b/0x80 [ 10.918793][ T378] netlink_rcv_skb+0x14e/0x3a0 [ 10.918796][ T378] ? rtnl_link_fill+0x920/0x920 [ 10.918799][ T378] ? netlink_ack+0xcf0/0xcf0 [ 10.918805][ T378] ? netlink_deliver_tap+0xc5/0x330 [ 10.918807][ T378] ? netlink_deliver_tap+0x13c/0x330 [ 10.918812][ T378] netlink_unicast+0x486/0x750 [ 10.918816][ T378] ? netlink_attachskb+0x810/0x810 [ 10.918818][ T378] ? find_held_lock+0x2b/0x80 [ 10.918822][ T378] netlink_sendmsg+0x75b/0xc90 [ 10.918826][ T378] ? netlink_unicast+0x750/0x750 [ 10.918830][ T378] ? __lock_release.isra.0+0x69/0x1a0 [ 10.918832][ T378] ? __import_iovec+0x36c/0x620 [ 10.918837][ T378] __sock_sendmsg+0xce/0x190 [ 10.918840][ T378] ____sys_sendmsg+0x61a/0x860 [ 10.918842][ T378] ? copy_msghdr_from_user+0x279/0x420 [ 10.918844][ T378] ? sock_write_iter+0x400/0x400 [ 10.918846][ T378] ? move_addr_to_kernel+0x40/0x40 [ 10.918853][ T378] ___sys_sendmsg+0x14e/0x1d0 [ 10.918856][ T378] ? copy_msghdr_from_user+0x420/0x420 [ 10.918871][ T378] __sys_sendmsg+0x12c/0x1d0 [ 10.918874][ T378] ? __sys_sendmsg_sock+0x20/0x20 [ 10.918880][ T378] ? rcu_is_watching+0x16/0xd0 [ 10.918883][ T378] do_syscall_64+0xff/0x530 [ 10.918886][ T378] ? exc_page_fault+0xee/0x100 [ 10.918889][ T378] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.918891][ T378] RIP: 0033:0x7f34240e754e [ 10.918893][ T378] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 10.918895][ T378] RSP: 002b:00007ffd59077580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.918897][ T378] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f34240e754e [ 10.918899][ T378] RDX: 0000000000000000 RSI: 00007ffd59077630 RDI: 0000000000000005 [ 10.918900][ T378] RBP: 00007ffd59077590 R08: 0000000000000000 R09: 0000000000000000 [ 10.918900][ T378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b5 [ 10.918901][ T378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd59077cf0 [ 10.918908][ T378] [ 10.967775][ T378] ip (378) used greatest stack depth: 23016 bytes left [ 11.282027][ T38] br: port 1(d1) entered blocking state [ 11.282465][ T38] br: port 1(d1) entered forwarding state [ 11.356431][ T424] br: port 2(d2) entered disabled state [ 11.668073][ T462] br: port 2(d2) entered blocking state [ 11.668390][ T462] br: port 2(d2) entered forwarding state [ 11.754133][ T470] br: port 1(d1) entered disabled state [ 11.825855][ T478] br: port 2(d2) entered disabled state [ 12.127141][ T516] br: port 2(d2) entered blocking state [ 12.127159][ T516] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.127161][ T516] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 516, name: ip [ 12.127162][ T516] preempt_count: 202, expected: 0 [ 12.127163][ T516] RCU nest depth: 0, expected: 0 [ 12.127164][ T516] locks held by ip/516: 6, last CPU#0: [ 12.127166][ T516] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.127178][ T516] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 12.127184][ T516] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.127189][ T516] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.127193][ T516] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.127196][ T516] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.127200][ T516] irq event stamp: 13663 [ 12.127201][ T516] hardirqs last enabled at (13662): [] __down_trylock_console_sem+0x86/0xa0 [ 12.127205][ T516] hardirqs last disabled at (13663): [] console_emit_next_record+0x3d4/0x4c0 [ 12.127207][ T516] softirqs last enabled at (13624): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 12.127209][ T516] softirqs last disabled at (13658): [] br_device_event+0x5fd/0x8f0 [ 12.127211][ T516] Preemption disabled at: [ 12.127212][ T516] [<0000000000000000>] 0x0 [ 12.127218][ T516] CPU: 0 UID: 0 PID: 516 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.127222][ T516] Tainted: [W]=WARN [ 12.127223][ T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.127224][ T516] Call Trace: [ 12.127226][ T516] [ 12.127227][ T516] dump_stack_lvl+0x6f/0xa0 [ 12.127234][ T516] __might_resched.cold+0x1fe/0x2c1 [ 12.127238][ T516] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.127243][ T516] ? __kmalloc_noprof+0xdb/0x760 [ 12.127247][ T516] __kmalloc_noprof+0x443/0x760 [ 12.127249][ T516] ? alloc_buf.isra.0+0x4b/0x260 [ 12.127255][ T516] ? do_raw_spin_unlock+0x59/0x250 [ 12.127258][ T516] alloc_buf.isra.0+0x4b/0x260 [ 12.127262][ T516] put_chars+0x1e1/0x2f0 [ 12.127264][ T516] ? __send_to_port+0x420/0x420 [ 12.127265][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.127269][ T516] ? validate_chain+0x38b/0xc20 [ 12.127274][ T516] hvc_console_print+0x292/0x780 [ 12.127282][ T516] ? hvc_write+0x3a0/0x3a0 [ 12.127284][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127286][ T516] ? lock_acquire+0x13c/0x160 [ 12.127290][ T516] console_emit_next_record+0x22f/0x4c0 [ 12.127294][ T516] ? devkmsg_read+0x4b0/0x4b0 [ 12.127296][ T516] ? console_flush_one_record+0x106/0x710 [ 12.127299][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127301][ T516] ? lock_acquire+0x13c/0x160 [ 12.127305][ T516] console_flush_one_record+0x46f/0x710 [ 12.127309][ T516] ? console_emit_next_record+0x4c0/0x4c0 [ 12.127311][ T516] ? __lock_acquire+0x518/0xc20 [ 12.127316][ T516] console_unlock+0xee/0x1f0 [ 12.127318][ T516] ? console_flush_one_record+0x710/0x710 [ 12.127320][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127322][ T516] ? lock_acquire+0xe0/0x160 [ 12.127326][ T516] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.127327][ T516] ? vprintk_emit+0x320/0x3e0 [ 12.127330][ T516] vprintk_emit+0x37c/0x3e0 [ 12.127333][ T516] ? wake_up_klogd_work_func+0x90/0x90 [ 12.127335][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.127337][ T516] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.127341][ T516] _printk+0xc7/0x100 [ 12.127345][ T516] ? snapshot_read.cold+0x21/0x21 [ 12.127350][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.127354][ T516] br_set_state+0x22f/0x430 [ 12.127358][ T516] br_init_port+0xc4/0x200 [ 12.127361][ T516] br_stp_enable_port+0x12/0x50 [ 12.127363][ T516] br_device_event+0x605/0x8f0 [ 12.127366][ T516] ? packet_sendmsg_spkt+0x1360/0x1360 [ 12.127367][ T516] ? nlmsg_notify+0x62/0x250 [ 12.127374][ T516] notifier_call_chain+0xae/0x300 [ 12.127379][ T516] __dev_notify_flags+0x1b7/0x450 [ 12.127384][ T516] ? netif_change_name+0x8c0/0x8c0 [ 12.127388][ T516] ? netif_set_allmulti+0x2c0/0x2c0 [ 12.127390][ T516] ? kernel_text_address+0x149/0x170 [ 12.127393][ T516] ? __kernel_text_address+0x12/0x30 [ 12.127395][ T516] ? write_profile+0xf0/0xf0 [ 12.127399][ T516] netif_change_flags+0xfe/0x190 [ 12.127403][ T516] do_setlink.isra.0+0x1d25/0x2a60 [ 12.127407][ T516] ? stack_trace_save+0x93/0xc0 [ 12.127409][ T516] ? rtnl_link_get_size+0x350/0x350 [ 12.127410][ T516] ? rcu_read_lock_any_held+0x66/0x90 [ 12.127412][ T516] ? stack_depot_save_flags+0x38e/0x790 [ 12.127416][ T516] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.127418][ T516] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.127419][ T516] ? validate_chain+0x38b/0xc20 [ 12.127422][ T516] ? kasan_save_stack+0x3d/0x50 [ 12.127424][ T516] ? kasan_save_stack+0x2f/0x50 [ 12.127425][ T516] ? kasan_save_track+0x14/0x30 [ 12.127426][ T516] ? __kasan_kmalloc+0x7b/0x90 [ 12.127428][ T516] ? __lock_acquire+0x518/0xc20 [ 12.127430][ T516] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.127433][ T516] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.127437][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.127439][ T516] ? rtnl_newlink+0x9a8/0x11b0 [ 12.127441][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127443][ T516] ? lock_acquire+0x13c/0x160 [ 12.127445][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127446][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127447][ T516] ? trace_contention_end+0xb3/0x180 [ 12.127450][ T516] ? __mutex_lock+0x1db/0x1ea0 [ 12.127452][ T516] ? __mutex_lock+0x9a3/0x1ea0 [ 12.127454][ T516] ? rtnl_newlink+0x9a8/0x11b0 [ 12.127458][ T516] ? ww_mutex_lock+0x160/0x160 [ 12.127461][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127463][ T516] ? __rtnl_newlink+0x3fa/0xa50 [ 12.127468][ T516] rtnl_newlink+0x9f1/0x11b0 [ 12.127474][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.127475][ T516] ? __lock_acquire+0x518/0xc20 [ 12.127480][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.127482][ T516] ? find_held_lock+0x2b/0x80 [ 12.127484][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.127486][ T516] ? __lock_release.isra.0+0x69/0x1a0 [ 12.127489][ T516] ? rtnl_bridge_getlink+0x850/0x850 [ 12.127491][ T516] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.127494][ T516] ? rtnl_link_fill+0x920/0x920 [ 12.127496][ T516] ? __lock_acquire+0x518/0xc20 [ 12.127500][ T516] ? lock_acquire.part.0+0xd4/0x280 [ 12.127502][ T516] ? find_held_lock+0x2b/0x80 [ 12.127505][ T516] netlink_rcv_skb+0x14e/0x3a0 [ 12.127507][ T516] ? rtnl_link_fill+0x920/0x920 [ 12.127510][ T516] ? netlink_ack+0xcf0/0xcf0 [ 12.127516][ T516] ? netlink_deliver_tap+0xc5/0x330 [ 12.127521][ T516] ? netlink_deliver_tap+0x13c/0x330 [ 12.127525][ T516] netlink_unicast+0x486/0x750 [ 12.127529][ T516] ? netlink_attachskb+0x810/0x810 [ 12.127531][ T516] ? find_held_lock+0x2b/0x80 [ 12.127536][ T516] netlink_sendmsg+0x75b/0xc90 [ 12.127540][ T516] ? netlink_unicast+0x750/0x750 [ 12.127543][ T516] ? __lock_release.isra.0+0x69/0x1a0 [ 12.127545][ T516] ? __import_iovec+0x36c/0x620 [ 12.127550][ T516] __sock_sendmsg+0xce/0x190 [ 12.127556][ T516] ____sys_sendmsg+0x61a/0x860 [ 12.127559][ T516] ? copy_msghdr_from_user+0x279/0x420 [ 12.127561][ T516] ? sock_write_iter+0x400/0x400 [ 12.127563][ T516] ? move_addr_to_kernel+0x40/0x40 [ 12.127570][ T516] ___sys_sendmsg+0x14e/0x1d0 [ 12.127573][ T516] ? copy_msghdr_from_user+0x420/0x420 [ 12.127588][ T516] __sys_sendmsg+0x12c/0x1d0 [ 12.127591][ T516] ? __sys_sendmsg_sock+0x20/0x20 [ 12.127597][ T516] ? rcu_is_watching+0x16/0xd0 [ 12.127600][ T516] do_syscall_64+0xff/0x530 [ 12.127603][ T516] ? exc_page_fault+0xee/0x100 [ 12.127606][ T516] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.127608][ T516] RIP: 0033:0x7f08adacd54e [ 12.127610][ T516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 12.127612][ T516] RSP: 002b:00007ffed67766b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.127614][ T516] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f08adacd54e [ 12.127616][ T516] RDX: 0000000000000000 RSI: 00007ffed6776760 RDI: 0000000000000005 [ 12.127617][ T516] RBP: 00007ffed67766c0 R08: 0000000000000000 R09: 0000000000000000 [ 12.127617][ T516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b6 [ 12.127618][ T516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed6776e20 [ 12.127625][ T516] [ 12.172264][ T516] br: port 2(d2) entered forwarding state [ 12.209813][ T36] br: port 1(d1) entered blocking state [ 12.210087][ T36] br: port 1(d1) entered forwarding state [ 12.290145][ T526] br: port 1(d1) entered disabled state [ 12.365997][ T534] br: port 2(d2) entered disabled state [ 12.456081][ T542] br: port 3(d3) entered disabled state [ 12.745367][ T580] br: port 3(d3) entered blocking state [ 12.745694][ T580] br: port 3(d3) entered forwarding state [ 12.784149][ T582] br: port 2(d2) entered blocking state [ 12.784390][ T582] br: port 2(d2) entered forwarding state [ 12.818881][ T584] br: port 1(d1) entered blocking state [ 12.819123][ T584] br: port 1(d1) entered forwarding state [ 13.428918][ T638] br: port 1(d1) entered disabled state [ 13.428934][ T638] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.428937][ T638] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 638, name: ip [ 13.428938][ T638] preempt_count: 202, expected: 0 [ 13.428939][ T638] RCU nest depth: 0, expected: 0 [ 13.428940][ T638] locks held by ip/638: 6, last CPU#0: [ 13.428942][ T638] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 13.428954][ T638] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 13.428960][ T638] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.428965][ T638] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.428969][ T638] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.428973][ T638] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.428977][ T638] irq event stamp: 13719 [ 13.428978][ T638] hardirqs last enabled at (13718): [] __down_trylock_console_sem+0x86/0xa0 [ 13.428981][ T638] hardirqs last disabled at (13719): [] console_emit_next_record+0x3d4/0x4c0 [ 13.428983][ T638] softirqs last enabled at (13702): [] ipv6_mc_down+0x134/0x2d0 [ 13.428986][ T638] softirqs last disabled at (13714): [] br_device_event+0x1d7/0x8f0 [ 13.428988][ T638] Preemption disabled at: [ 13.428989][ T638] [<0000000000000000>] 0x0 [ 13.428995][ T638] CPU: 0 UID: 0 PID: 638 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.428999][ T638] Tainted: [W]=WARN [ 13.429000][ T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.429001][ T638] Call Trace: [ 13.429003][ T638] [ 13.429004][ T638] dump_stack_lvl+0x6f/0xa0 [ 13.429011][ T638] __might_resched.cold+0x1fe/0x2c1 [ 13.429015][ T638] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.429019][ T638] ? __kmalloc_noprof+0xdb/0x760 [ 13.429024][ T638] __kmalloc_noprof+0x443/0x760 [ 13.429026][ T638] ? alloc_buf.isra.0+0x4b/0x260 [ 13.429032][ T638] ? do_raw_spin_unlock+0x59/0x250 [ 13.429035][ T638] alloc_buf.isra.0+0x4b/0x260 [ 13.429038][ T638] put_chars+0x1e1/0x2f0 [ 13.429041][ T638] ? __send_to_port+0x420/0x420 [ 13.429047][ T638] hvc_console_print+0x292/0x780 [ 13.429055][ T638] ? hvc_write+0x3a0/0x3a0 [ 13.429058][ T638] ? lock_acquire+0x13c/0x160 [ 13.429063][ T638] console_emit_next_record+0x22f/0x4c0 [ 13.429067][ T638] ? devkmsg_read+0x4b0/0x4b0 [ 13.429068][ T638] ? console_flush_one_record+0x106/0x710 [ 13.429072][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429074][ T638] ? lock_acquire+0x13c/0x160 [ 13.429078][ T638] console_flush_one_record+0x46f/0x710 [ 13.429082][ T638] ? console_emit_next_record+0x4c0/0x4c0 [ 13.429084][ T638] ? __lock_acquire+0x518/0xc20 [ 13.429089][ T638] console_unlock+0xee/0x1f0 [ 13.429092][ T638] ? console_flush_one_record+0x710/0x710 [ 13.429094][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429096][ T638] ? lock_acquire+0xe0/0x160 [ 13.429100][ T638] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.429101][ T638] ? vprintk_emit+0x320/0x3e0 [ 13.429104][ T638] vprintk_emit+0x37c/0x3e0 [ 13.429107][ T638] ? wake_up_klogd_work_func+0x90/0x90 [ 13.429109][ T638] ? mark_held_locks+0x40/0x70 [ 13.429111][ T638] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.429113][ T638] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.429118][ T638] _printk+0xc7/0x100 [ 13.429121][ T638] ? snapshot_read.cold+0x21/0x21 [ 13.429129][ T638] br_set_state+0x22f/0x430 [ 13.429134][ T638] br_stp_disable_port+0x11f/0x390 [ 13.429137][ T638] br_device_event+0x7b5/0x8f0 [ 13.429139][ T638] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.429143][ T638] ? packet_sendmsg_spkt+0x1360/0x1360 [ 13.429148][ T638] notifier_call_chain+0xae/0x300 [ 13.429154][ T638] __dev_notify_flags+0x23c/0x450 [ 13.429160][ T638] ? netif_change_name+0x8c0/0x8c0 [ 13.429163][ T638] ? netif_set_allmulti+0x2c0/0x2c0 [ 13.429167][ T638] ? __kernel_text_address+0x12/0x30 [ 13.429169][ T638] ? write_profile+0xf0/0xf0 [ 13.429174][ T638] netif_change_flags+0xfe/0x190 [ 13.429178][ T638] do_setlink.isra.0+0x1d25/0x2a60 [ 13.429181][ T638] ? stack_trace_save+0x93/0xc0 [ 13.429184][ T638] ? rtnl_link_get_size+0x350/0x350 [ 13.429185][ T638] ? rcu_read_lock_any_held+0x66/0x90 [ 13.429187][ T638] ? stack_depot_save_flags+0x38e/0x790 [ 13.429190][ T638] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.429192][ T638] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.429194][ T638] ? validate_chain+0x38b/0xc20 [ 13.429196][ T638] ? kasan_save_stack+0x3d/0x50 [ 13.429199][ T638] ? kasan_save_stack+0x2f/0x50 [ 13.429200][ T638] ? kasan_save_track+0x14/0x30 [ 13.429201][ T638] ? __kasan_kmalloc+0x7b/0x90 [ 13.429203][ T638] ? __lock_acquire+0x518/0xc20 [ 13.429205][ T638] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 13.429208][ T638] ? ___sys_sendmsg+0xd0/0x1d0 [ 13.429212][ T638] ? lock_acquire.part.0+0xd4/0x280 [ 13.429214][ T638] ? rtnl_newlink+0x9a8/0x11b0 [ 13.429217][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429218][ T638] ? lock_acquire+0x13c/0x160 [ 13.429220][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429221][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429222][ T638] ? trace_contention_end+0xb3/0x180 [ 13.429225][ T638] ? __mutex_lock+0x1db/0x1ea0 [ 13.429226][ T638] ? __mutex_lock+0x9a3/0x1ea0 [ 13.429228][ T638] ? rtnl_newlink+0x9a8/0x11b0 [ 13.429231][ T638] ? ww_mutex_lock+0x160/0x160 [ 13.429235][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429237][ T638] ? __rtnl_newlink+0x3fa/0xa50 [ 13.429242][ T638] rtnl_newlink+0x9f1/0x11b0 [ 13.429248][ T638] ? rtnl_bridge_getlink+0x850/0x850 [ 13.429250][ T638] ? __lock_acquire+0x518/0xc20 [ 13.429254][ T638] ? lock_acquire.part.0+0xd4/0x280 [ 13.429256][ T638] ? find_held_lock+0x2b/0x80 [ 13.429258][ T638] ? rtnl_bridge_getlink+0x850/0x850 [ 13.429260][ T638] ? __lock_release.isra.0+0x69/0x1a0 [ 13.429264][ T638] ? rtnl_bridge_getlink+0x850/0x850 [ 13.429266][ T638] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.429269][ T638] ? rtnl_link_fill+0x920/0x920 [ 13.429271][ T638] ? __lock_acquire+0x518/0xc20 [ 13.429275][ T638] ? lock_acquire.part.0+0xd4/0x280 [ 13.429277][ T638] ? find_held_lock+0x2b/0x80 [ 13.429281][ T638] netlink_rcv_skb+0x14e/0x3a0 [ 13.429284][ T638] ? rtnl_link_fill+0x920/0x920 [ 13.429287][ T638] ? netlink_ack+0xcf0/0xcf0 [ 13.429293][ T638] ? netlink_deliver_tap+0xc5/0x330 [ 13.429295][ T638] ? netlink_deliver_tap+0x13c/0x330 [ 13.429300][ T638] netlink_unicast+0x486/0x750 [ 13.429304][ T638] ? netlink_attachskb+0x810/0x810 [ 13.429306][ T638] ? find_held_lock+0x2b/0x80 [ 13.429311][ T638] netlink_sendmsg+0x75b/0xc90 [ 13.429315][ T638] ? netlink_unicast+0x750/0x750 [ 13.429319][ T638] ? __lock_release.isra.0+0x69/0x1a0 [ 13.429320][ T638] ? __import_iovec+0x36c/0x620 [ 13.429325][ T638] __sock_sendmsg+0xce/0x190 [ 13.429328][ T638] ____sys_sendmsg+0x61a/0x860 [ 13.429330][ T638] ? copy_msghdr_from_user+0x279/0x420 [ 13.429333][ T638] ? sock_write_iter+0x400/0x400 [ 13.429334][ T638] ? move_addr_to_kernel+0x40/0x40 [ 13.429342][ T638] ___sys_sendmsg+0x14e/0x1d0 [ 13.429344][ T638] ? copy_msghdr_from_user+0x420/0x420 [ 13.429361][ T638] __sys_sendmsg+0x12c/0x1d0 [ 13.429364][ T638] ? __sys_sendmsg_sock+0x20/0x20 [ 13.429370][ T638] ? rcu_is_watching+0x16/0xd0 [ 13.429373][ T638] do_syscall_64+0xff/0x530 [ 13.429376][ T638] ? exc_page_fault+0xee/0x100 [ 13.429379][ T638] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.429381][ T638] RIP: 0033:0x7f97c36ba54e [ 13.429384][ T638] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 13.429385][ T638] RSP: 002b:00007ffc9b8ff190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.429388][ T638] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f97c36ba54e [ 13.429389][ T638] RDX: 0000000000000000 RSI: 00007ffc9b8ff240 RDI: 0000000000000005 [ 13.429390][ T638] RBP: 00007ffc9b8ff1a0 R08: 0000000000000000 R09: 0000000000000000 [ 13.429391][ T638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b7 [ 13.429392][ T638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9b8ff900 [ 13.429399][ T638] [ 13.778941][ T676] br: port 1(d1) entered blocking state [ 13.779237][ T676] br: port 1(d1) entered forwarding state [ 13.856405][ T684] br: port 2(d2) entered disabled state [ 14.150951][ T722] br: port 2(d2) entered blocking state [ 14.151210][ T722] br: port 2(d2) entered forwarding state [ 14.224479][ T730] br: port 1(d1) entered disabled state [ 14.294028][ T738] br: port 2(d2) entered disabled state [ 14.583718][ T776] br: port 2(d2) entered blocking state [ 14.583735][ T776] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.583737][ T776] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 776, name: ip [ 14.583738][ T776] preempt_count: 202, expected: 0 [ 14.583739][ T776] RCU nest depth: 0, expected: 0 [ 14.583740][ T776] locks held by ip/776: 6, last CPU#2: [ 14.583742][ T776] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.583754][ T776] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 14.583760][ T776] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.583765][ T776] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.583769][ T776] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.583772][ T776] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.583776][ T776] irq event stamp: 19489 [ 14.583777][ T776] hardirqs last enabled at (19488): [] __down_trylock_console_sem+0x86/0xa0 [ 14.583781][ T776] hardirqs last disabled at (19489): [] console_emit_next_record+0x3d4/0x4c0 [ 14.583782][ T776] softirqs last enabled at (19450): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 14.583785][ T776] softirqs last disabled at (19484): [] br_device_event+0x5fd/0x8f0 [ 14.583787][ T776] Preemption disabled at: [ 14.583788][ T776] [<0000000000000000>] 0x0 [ 14.583794][ T776] CPU: 2 UID: 0 PID: 776 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.583797][ T776] Tainted: [W]=WARN [ 14.583798][ T776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.583800][ T776] Call Trace: [ 14.583802][ T776] [ 14.583803][ T776] dump_stack_lvl+0x6f/0xa0 [ 14.583809][ T776] __might_resched.cold+0x1fe/0x2c1 [ 14.583814][ T776] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.583818][ T776] ? __kmalloc_noprof+0xdb/0x760 [ 14.583823][ T776] __kmalloc_noprof+0x443/0x760 [ 14.583825][ T776] ? alloc_buf.isra.0+0x4b/0x260 [ 14.583831][ T776] ? do_raw_spin_unlock+0x59/0x250 [ 14.583834][ T776] alloc_buf.isra.0+0x4b/0x260 [ 14.583837][ T776] put_chars+0x1e1/0x2f0 [ 14.583840][ T776] ? __send_to_port+0x420/0x420 [ 14.583841][ T776] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.583844][ T776] ? validate_chain+0x38b/0xc20 [ 14.583850][ T776] hvc_console_print+0x292/0x780 [ 14.583857][ T776] ? hvc_write+0x3a0/0x3a0 [ 14.583860][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.583862][ T776] ? lock_acquire+0x13c/0x160 [ 14.583866][ T776] console_emit_next_record+0x22f/0x4c0 [ 14.583870][ T776] ? devkmsg_read+0x4b0/0x4b0 [ 14.583872][ T776] ? console_flush_one_record+0x106/0x710 [ 14.583875][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.583877][ T776] ? lock_acquire+0x13c/0x160 [ 14.583880][ T776] console_flush_one_record+0x46f/0x710 [ 14.583885][ T776] ? console_emit_next_record+0x4c0/0x4c0 [ 14.583886][ T776] ? __lock_acquire+0x518/0xc20 [ 14.583892][ T776] console_unlock+0xee/0x1f0 [ 14.583894][ T776] ? console_flush_one_record+0x710/0x710 [ 14.583896][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.583898][ T776] ? lock_acquire+0xe0/0x160 [ 14.583901][ T776] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.583903][ T776] ? vprintk_emit+0x320/0x3e0 [ 14.583906][ T776] vprintk_emit+0x37c/0x3e0 [ 14.583909][ T776] ? wake_up_klogd_work_func+0x90/0x90 [ 14.583911][ T776] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.583913][ T776] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.583917][ T776] _printk+0xc7/0x100 [ 14.583921][ T776] ? snapshot_read.cold+0x21/0x21 [ 14.583926][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.583930][ T776] br_set_state+0x22f/0x430 [ 14.583934][ T776] br_init_port+0xc4/0x200 [ 14.583937][ T776] br_stp_enable_port+0x12/0x50 [ 14.583939][ T776] br_device_event+0x605/0x8f0 [ 14.583942][ T776] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.583943][ T776] ? nlmsg_notify+0x62/0x250 [ 14.583950][ T776] notifier_call_chain+0xae/0x300 [ 14.583955][ T776] __dev_notify_flags+0x1b7/0x450 [ 14.583960][ T776] ? netif_change_name+0x8c0/0x8c0 [ 14.583964][ T776] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.583966][ T776] ? kernel_text_address+0x149/0x170 [ 14.583969][ T776] ? __kernel_text_address+0x12/0x30 [ 14.583971][ T776] ? write_profile+0xf0/0xf0 [ 14.583976][ T776] netif_change_flags+0xfe/0x190 [ 14.583979][ T776] do_setlink.isra.0+0x1d25/0x2a60 [ 14.583983][ T776] ? stack_trace_save+0x93/0xc0 [ 14.583985][ T776] ? rtnl_link_get_size+0x350/0x350 [ 14.583986][ T776] ? rcu_read_lock_any_held+0x66/0x90 [ 14.583988][ T776] ? stack_depot_save_flags+0x38e/0x790 [ 14.583991][ T776] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.583993][ T776] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.583995][ T776] ? validate_chain+0x38b/0xc20 [ 14.583997][ T776] ? kasan_save_stack+0x3d/0x50 [ 14.584000][ T776] ? kasan_save_stack+0x2f/0x50 [ 14.584001][ T776] ? kasan_save_track+0x14/0x30 [ 14.584002][ T776] ? __kasan_kmalloc+0x7b/0x90 [ 14.584004][ T776] ? __lock_acquire+0x518/0xc20 [ 14.584006][ T776] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.584009][ T776] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.584013][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.584015][ T776] ? rtnl_newlink+0x9a8/0x11b0 [ 14.584017][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.584019][ T776] ? lock_acquire+0x13c/0x160 [ 14.584021][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.584022][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.584023][ T776] ? trace_contention_end+0xb3/0x180 [ 14.584026][ T776] ? __mutex_lock+0x1db/0x1ea0 [ 14.584028][ T776] ? __mutex_lock+0x9a3/0x1ea0 [ 14.584030][ T776] ? rtnl_newlink+0x9a8/0x11b0 [ 14.584033][ T776] ? ww_mutex_lock+0x160/0x160 [ 14.584037][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.584039][ T776] ? __rtnl_newlink+0x3fa/0xa50 [ 14.584044][ T776] rtnl_newlink+0x9f1/0x11b0 [ 14.584050][ T776] ? rtnl_bridge_getlink+0x850/0x850 [ 14.584051][ T776] ? __lock_acquire+0x518/0xc20 [ 14.584056][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.584058][ T776] ? find_held_lock+0x2b/0x80 [ 14.584060][ T776] ? rtnl_bridge_getlink+0x850/0x850 [ 14.584062][ T776] ? __lock_release.isra.0+0x69/0x1a0 [ 14.584065][ T776] ? rtnl_bridge_getlink+0x850/0x850 [ 14.584067][ T776] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.584070][ T776] ? rtnl_link_fill+0x920/0x920 [ 14.584072][ T776] ? __lock_acquire+0x518/0xc20 [ 14.584076][ T776] ? lock_acquire.part.0+0xd4/0x280 [ 14.584078][ T776] ? find_held_lock+0x2b/0x80 [ 14.584081][ T776] netlink_rcv_skb+0x14e/0x3a0 [ 14.584083][ T776] ? rtnl_link_fill+0x920/0x920 [ 14.584086][ T776] ? netlink_ack+0xcf0/0xcf0 [ 14.584092][ T776] ? netlink_deliver_tap+0xc5/0x330 [ 14.584095][ T776] ? netlink_deliver_tap+0x13c/0x330 [ 14.584099][ T776] netlink_unicast+0x486/0x750 [ 14.584103][ T776] ? netlink_attachskb+0x810/0x810 [ 14.584105][ T776] ? find_held_lock+0x2b/0x80 [ 14.584109][ T776] netlink_sendmsg+0x75b/0xc90 [ 14.584113][ T776] ? netlink_unicast+0x750/0x750 [ 14.584117][ T776] ? __lock_release.isra.0+0x69/0x1a0 [ 14.584119][ T776] ? __import_iovec+0x36c/0x620 [ 14.584124][ T776] __sock_sendmsg+0xce/0x190 [ 14.584127][ T776] ____sys_sendmsg+0x61a/0x860 [ 14.584129][ T776] ? copy_msghdr_from_user+0x279/0x420 [ 14.584131][ T776] ? sock_write_iter+0x400/0x400 [ 14.584133][ T776] ? move_addr_to_kernel+0x40/0x40 [ 14.584140][ T776] ___sys_sendmsg+0x14e/0x1d0 [ 14.584143][ T776] ? copy_msghdr_from_user+0x420/0x420 [ 14.584158][ T776] __sys_sendmsg+0x12c/0x1d0 [ 14.584161][ T776] ? __sys_sendmsg_sock+0x20/0x20 [ 14.584167][ T776] ? rcu_is_watching+0x16/0xd0 [ 14.584170][ T776] do_syscall_64+0xff/0x530 [ 14.584173][ T776] ? exc_page_fault+0xee/0x100 [ 14.584176][ T776] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.584178][ T776] RIP: 0033:0x7ff2722c754e [ 14.584180][ T776] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 14.584182][ T776] RSP: 002b:00007fff1e5dd6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.584184][ T776] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff2722c754e [ 14.584186][ T776] RDX: 0000000000000000 RSI: 00007fff1e5dd780 RDI: 0000000000000005 [ 14.584187][ T776] RBP: 00007fff1e5dd6e0 R08: 0000000000000000 R09: 0000000000000000 [ 14.584187][ T776] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144b8 [ 14.584188][ T776] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1e5dde40 [ 14.584195][ T776] [ 14.629048][ T776] br: port 2(d2) entered forwarding state [ 14.668893][ T203] br: port 1(d1) entered blocking state [ 14.669116][ T203] br: port 1(d1) entered forwarding state [ 14.745323][ T786] br: port 1(d1) entered disabled state [ 14.827994][ T794] br: port 2(d2) entered disabled state [ 14.909801][ T802] br: port 3(d3) entered disabled state [ 15.486117][ T38] br: port 3(d3) entered blocking state [ 15.486364][ T38] br: port 3(d3) entered forwarding state [ 15.524228][ T46] br: port 2(d2) entered blocking state [ 15.524446][ T46] br: port 2(d2) entered forwarding state [ 15.549545][ T203] br: port 1(d1) entered blocking state [ 15.549771][ T203] br: port 1(d1) entered forwarding state [ 16.280793][ T932] br: port 1(d1) entered disabled state [ 16.280811][ T932] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 16.280813][ T932] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 932, name: ip [ 16.280814][ T932] preempt_count: 202, expected: 0 [ 16.280815][ T932] RCU nest depth: 0, expected: 0 [ 16.280816][ T932] locks held by ip/932: 6, last CPU#0: [ 16.280818][ T932] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 16.280829][ T932] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 16.280835][ T932] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 16.280840][ T932] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 16.280844][ T932] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 16.280847][ T932] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 16.280851][ T932] irq event stamp: 17305 [ 16.280852][ T932] hardirqs last enabled at (17304): [] __down_trylock_console_sem+0x86/0xa0 [ 16.280855][ T932] hardirqs last disabled at (17305): [] console_emit_next_record+0x3d4/0x4c0 [ 16.280857][ T932] softirqs last enabled at (17288): [] ipv6_mc_down+0x134/0x2d0 [ 16.280860][ T932] softirqs last disabled at (17300): [] br_device_event+0x1d7/0x8f0 [ 16.280862][ T932] Preemption disabled at: [ 16.280863][ T932] [<0000000000000000>] 0x0 [ 16.280869][ T932] CPU: 0 UID: 0 PID: 932 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 16.280873][ T932] Tainted: [W]=WARN [ 16.280873][ T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.280875][ T932] Call Trace: [ 16.280877][ T932] [ 16.280879][ T932] dump_stack_lvl+0x6f/0xa0 [ 16.280885][ T932] __might_resched.cold+0x1fe/0x2c1 [ 16.280889][ T932] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 16.280893][ T932] ? __kmalloc_noprof+0xdb/0x760 [ 16.280897][ T932] __kmalloc_noprof+0x443/0x760 [ 16.280899][ T932] ? alloc_buf.isra.0+0x4b/0x260 [ 16.280905][ T932] ? do_raw_spin_unlock+0x59/0x250 [ 16.280908][ T932] alloc_buf.isra.0+0x4b/0x260 [ 16.280912][ T932] put_chars+0x1e1/0x2f0 [ 16.280914][ T932] ? __send_to_port+0x420/0x420 [ 16.280920][ T932] hvc_console_print+0x292/0x780 [ 16.280928][ T932] ? hvc_write+0x3a0/0x3a0 [ 16.280931][ T932] ? lock_acquire+0x13c/0x160 [ 16.280935][ T932] console_emit_next_record+0x22f/0x4c0 [ 16.280939][ T932] ? devkmsg_read+0x4b0/0x4b0 [ 16.280941][ T932] ? console_flush_one_record+0x106/0x710 [ 16.280944][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.280947][ T932] ? lock_acquire+0x13c/0x160 [ 16.280950][ T932] console_flush_one_record+0x46f/0x710 [ 16.280955][ T932] ? console_emit_next_record+0x4c0/0x4c0 [ 16.280956][ T932] ? __lock_acquire+0x518/0xc20 [ 16.280962][ T932] console_unlock+0xee/0x1f0 [ 16.280964][ T932] ? console_flush_one_record+0x710/0x710 [ 16.280966][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.280968][ T932] ? lock_acquire+0xe0/0x160 [ 16.280972][ T932] ? __down_trylock_console_sem+0x5e/0xa0 [ 16.280973][ T932] ? vprintk_emit+0x320/0x3e0 [ 16.280976][ T932] vprintk_emit+0x37c/0x3e0 [ 16.280979][ T932] ? wake_up_klogd_work_func+0x90/0x90 [ 16.280980][ T932] ? mark_held_locks+0x40/0x70 [ 16.280983][ T932] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.280985][ T932] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.280989][ T932] _printk+0xc7/0x100 [ 16.280993][ T932] ? snapshot_read.cold+0x21/0x21 [ 16.281000][ T932] br_set_state+0x22f/0x430 [ 16.281004][ T932] br_stp_disable_port+0x11f/0x390 [ 16.281007][ T932] br_device_event+0x7b5/0x8f0 [ 16.281010][ T932] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 16.281016][ T932] ? packet_sendmsg_spkt+0x1360/0x1360 [ 16.281021][ T932] notifier_call_chain+0xae/0x300 [ 16.281027][ T932] __dev_notify_flags+0x23c/0x450 [ 16.281032][ T932] ? netif_change_name+0x8c0/0x8c0 [ 16.281036][ T932] ? netif_set_allmulti+0x2c0/0x2c0 [ 16.281039][ T932] ? __kernel_text_address+0x12/0x30 [ 16.281041][ T932] ? write_profile+0xf0/0xf0 [ 16.281046][ T932] netif_change_flags+0xfe/0x190 [ 16.281050][ T932] do_setlink.isra.0+0x1d25/0x2a60 [ 16.281053][ T932] ? stack_trace_save+0x93/0xc0 [ 16.281055][ T932] ? rtnl_link_get_size+0x350/0x350 [ 16.281056][ T932] ? rcu_read_lock_any_held+0x66/0x90 [ 16.281058][ T932] ? stack_depot_save_flags+0x38e/0x790 [ 16.281061][ T932] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 16.281063][ T932] ? rcu_read_lock_any_held+0x3c/0x90 [ 16.281065][ T932] ? validate_chain+0x38b/0xc20 [ 16.281067][ T932] ? kasan_save_stack+0x3d/0x50 [ 16.281070][ T932] ? kasan_save_stack+0x2f/0x50 [ 16.281071][ T932] ? kasan_save_track+0x14/0x30 [ 16.281072][ T932] ? __kasan_kmalloc+0x7b/0x90 [ 16.281074][ T932] ? __lock_acquire+0x518/0xc20 [ 16.281076][ T932] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 16.281079][ T932] ? ___sys_sendmsg+0xd0/0x1d0 [ 16.281083][ T932] ? lock_acquire.part.0+0xd4/0x280 [ 16.281085][ T932] ? rtnl_newlink+0x9a8/0x11b0 [ 16.281087][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.281089][ T932] ? lock_acquire+0x13c/0x160 [ 16.281090][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.281091][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.281093][ T932] ? trace_contention_end+0xb3/0x180 [ 16.281095][ T932] ? __mutex_lock+0x1db/0x1ea0 [ 16.281096][ T932] ? __mutex_lock+0x9a3/0x1ea0 [ 16.281098][ T932] ? rtnl_newlink+0x9a8/0x11b0 [ 16.281101][ T932] ? ww_mutex_lock+0x160/0x160 [ 16.281105][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.281107][ T932] ? __rtnl_newlink+0x3fa/0xa50 [ 16.281112][ T932] rtnl_newlink+0x9f1/0x11b0 [ 16.281118][ T932] ? rtnl_bridge_getlink+0x850/0x850 [ 16.281119][ T932] ? __lock_acquire+0x518/0xc20 [ 16.281124][ T932] ? lock_acquire.part.0+0xd4/0x280 [ 16.281126][ T932] ? find_held_lock+0x2b/0x80 [ 16.281128][ T932] ? rtnl_bridge_getlink+0x850/0x850 [ 16.281130][ T932] ? __lock_release.isra.0+0x69/0x1a0 [ 16.281134][ T932] ? rtnl_bridge_getlink+0x850/0x850 [ 16.281136][ T932] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 16.281139][ T932] ? rtnl_link_fill+0x920/0x920 [ 16.281140][ T932] ? __lock_acquire+0x518/0xc20 [ 16.281144][ T932] ? lock_acquire.part.0+0xd4/0x280 [ 16.281146][ T932] ? find_held_lock+0x2b/0x80 [ 16.281150][ T932] netlink_rcv_skb+0x14e/0x3a0 [ 16.281153][ T932] ? rtnl_link_fill+0x920/0x920 [ 16.281156][ T932] ? netlink_ack+0xcf0/0xcf0 [ 16.281162][ T932] ? netlink_deliver_tap+0xc5/0x330 [ 16.281164][ T932] ? netlink_deliver_tap+0x13c/0x330 [ 16.281168][ T932] netlink_unicast+0x486/0x750 [ 16.281172][ T932] ? netlink_attachskb+0x810/0x810 [ 16.281175][ T932] ? find_held_lock+0x2b/0x80 [ 16.281179][ T932] netlink_sendmsg+0x75b/0xc90 [ 16.281183][ T932] ? netlink_unicast+0x750/0x750 [ 16.281187][ T932] ? __lock_release.isra.0+0x69/0x1a0 [ 16.281188][ T932] ? __import_iovec+0x36c/0x620 [ 16.281193][ T932] __sock_sendmsg+0xce/0x190 [ 16.281196][ T932] ____sys_sendmsg+0x61a/0x860 [ 16.281198][ T932] ? copy_msghdr_from_user+0x279/0x420 [ 16.281200][ T932] ? sock_write_iter+0x400/0x400 [ 16.281202][ T932] ? move_addr_to_kernel+0x40/0x40 [ 16.281209][ T932] ___sys_sendmsg+0x14e/0x1d0 [ 16.281212][ T932] ? copy_msghdr_from_user+0x420/0x420 [ 16.281227][ T932] __sys_sendmsg+0x12c/0x1d0 [ 16.281230][ T932] ? __sys_sendmsg_sock+0x20/0x20 [ 16.281236][ T932] ? rcu_is_watching+0x16/0xd0 [ 16.281239][ T932] do_syscall_64+0xff/0x530 [ 16.281241][ T932] ? exc_page_fault+0xee/0x100 [ 16.281244][ T932] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.281246][ T932] RIP: 0033:0x7fa3b811454e [ 16.281249][ T932] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 16.281250][ T932] RSP: 002b:00007fffb1d756e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.281253][ T932] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa3b811454e [ 16.281254][ T932] RDX: 0000000000000000 RSI: 00007fffb1d75790 RDI: 0000000000000005 [ 16.281255][ T932] RBP: 00007fffb1d756f0 R08: 0000000000000000 R09: 0000000000000000 [ 16.281256][ T932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144ba [ 16.281257][ T932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb1d75e50 [ 16.281264][ T932] [ 16.628670][ T970] br: port 1(d1) entered blocking state [ 16.628975][ T970] br: port 1(d1) entered forwarding state [ 16.707000][ T978] br: port 2(d2) entered disabled state [ 17.001050][ T1016] br: port 2(d2) entered blocking state [ 17.001322][ T1016] br: port 2(d2) entered forwarding state [ 17.089335][ T1024] br: port 1(d1) entered disabled state [ 17.161229][ T1032] br: port 2(d2) entered disabled state [ 17.463006][ T69] br: port 2(d2) entered blocking state [ 17.463023][ T69] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.463025][ T69] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 69, name: kworker/u20:1 [ 17.463027][ T69] preempt_count: 202, expected: 0 [ 17.463028][ T69] RCU nest depth: 0, expected: 0 [ 17.463028][ T69] locks held by kworker/u20:1/69: 8, last CPU#1: [ 17.463031][ T69] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.463043][ T69] #1: ffa00000004a7d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.463047][ T69] #2: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 17.463052][ T69] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 17.463057][ T69] #4: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.463061][ T69] #5: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.463065][ T69] #6: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.463068][ T69] #7: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.463072][ T69] irq event stamp: 126155 [ 17.463073][ T69] hardirqs last enabled at (126154): [] __down_trylock_console_sem+0x86/0xa0 [ 17.463077][ T69] hardirqs last disabled at (126155): [] console_emit_next_record+0x3d4/0x4c0 [ 17.463079][ T69] softirqs last enabled at (126116): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 17.463081][ T69] softirqs last disabled at (126150): [] br_port_carrier_check+0x161/0x430 [ 17.463084][ T69] Preemption disabled at: [ 17.463084][ T69] [<0000000000000000>] 0x0 [ 17.463091][ T69] CPU: 1 UID: 0 PID: 69 Comm: kworker/u20:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.463094][ T69] Tainted: [W]=WARN [ 17.463095][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.463096][ T69] Workqueue: events_unbound linkwatch_event [ 17.463099][ T69] Call Trace: [ 17.463101][ T69] [ 17.463103][ T69] dump_stack_lvl+0x6f/0xa0 [ 17.463109][ T69] __might_resched.cold+0x1fe/0x2c1 [ 17.463114][ T69] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.463118][ T69] ? __kmalloc_noprof+0xdb/0x760 [ 17.463122][ T69] __kmalloc_noprof+0x443/0x760 [ 17.463124][ T69] ? alloc_buf.isra.0+0x4b/0x260 [ 17.463130][ T69] ? do_raw_spin_unlock+0x59/0x250 [ 17.463133][ T69] alloc_buf.isra.0+0x4b/0x260 [ 17.463137][ T69] put_chars+0x1e1/0x2f0 [ 17.463139][ T69] ? __send_to_port+0x420/0x420 [ 17.463142][ T69] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.463145][ T69] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.463147][ T69] ? validate_chain+0x38b/0xc20 [ 17.463152][ T69] hvc_console_print+0x292/0x780 [ 17.463155][ T69] ? mark_usage+0x61/0x170 [ 17.463157][ T69] ? __lock_acquire+0x518/0xc20 [ 17.463159][ T69] ? __lock_acquire+0x518/0xc20 [ 17.463163][ T69] ? hvc_write+0x3a0/0x3a0 [ 17.463165][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 17.463169][ T69] ? lock_acquire+0x13c/0x160 [ 17.463173][ T69] console_emit_next_record+0x22f/0x4c0 [ 17.463177][ T69] ? devkmsg_read+0x4b0/0x4b0 [ 17.463179][ T69] ? console_flush_one_record+0x106/0x710 [ 17.463182][ T69] ? rcu_is_watching+0x16/0xd0 [ 17.463184][ T69] ? lock_acquire+0x13c/0x160 [ 17.463188][ T69] console_flush_one_record+0x46f/0x710 [ 17.463193][ T69] ? console_emit_next_record+0x4c0/0x4c0 [ 17.463195][ T69] ? __lock_acquire+0x518/0xc20 [ 17.463200][ T69] console_unlock+0xee/0x1f0 [ 17.463203][ T69] ? console_flush_one_record+0x710/0x710 [ 17.463205][ T69] ? rcu_is_watching+0x16/0xd0 [ 17.463207][ T69] ? lock_acquire+0xe0/0x160 [ 17.463211][ T69] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.463212][ T69] ? vprintk_emit+0x320/0x3e0 [ 17.463215][ T69] vprintk_emit+0x37c/0x3e0 [ 17.463218][ T69] ? wake_up_klogd_work_func+0x90/0x90 [ 17.463220][ T69] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.463222][ T69] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.463226][ T69] _printk+0xc7/0x100 [ 17.463229][ T69] ? snapshot_read.cold+0x21/0x21 [ 17.463234][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 17.463238][ T69] br_set_state+0x22f/0x430 [ 17.463242][ T69] br_init_port+0xc4/0x200 [ 17.463245][ T69] br_stp_enable_port+0x12/0x50 [ 17.463247][ T69] br_port_carrier_check+0x220/0x430 [ 17.463250][ T69] br_device_event+0x52d/0x8f0 [ 17.463253][ T69] ? packet_sendmsg_spkt+0x1360/0x1360 [ 17.463255][ T69] ? nlmsg_notify+0x62/0x250 [ 17.463262][ T69] notifier_call_chain+0xae/0x300 [ 17.463267][ T69] netif_state_change+0x139/0x3d0 [ 17.463272][ T69] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 17.463277][ T69] ? linkwatch_do_dev+0xae/0xd0 [ 17.463279][ T69] __linkwatch_run_queue+0x350/0x850 [ 17.463282][ T69] ? linkwatch_do_dev+0xd0/0xd0 [ 17.463284][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 17.463289][ T69] linkwatch_event+0x7f/0xb0 [ 17.463291][ T69] ? __linkwatch_run_queue+0x850/0x850 [ 17.463294][ T69] process_one_work+0xe3e/0x1560 [ 17.463301][ T69] ? __queue_delayed_work+0x470/0x470 [ 17.463304][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 17.463311][ T69] worker_thread+0x4f1/0xd60 [ 17.463315][ T69] ? rescuer_thread+0x1340/0x1340 [ 17.463317][ T69] ? __kthread_parkme+0xbd/0x210 [ 17.463320][ T69] ? rescuer_thread+0x1340/0x1340 [ 17.463323][ T69] ? rescuer_thread+0x1340/0x1340 [ 17.463325][ T69] kthread+0x367/0x460 [ 17.463327][ T69] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.463330][ T69] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.463333][ T69] ret_from_fork+0x474/0x6b0 [ 17.463337][ T69] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.463341][ T69] ? __switch_to+0x5a3/0xe00 [ 17.463344][ T69] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.463347][ T69] ret_from_fork_asm+0x11/0x20 [ 17.463355][ T69] [ 17.491602][ T69] br: port 2(d2) entered forwarding state [ 17.524884][ T39] br: port 1(d1) entered blocking state [ 17.525126][ T39] br: port 1(d1) entered forwarding state [ 17.604025][ T1081] br: port 1(d1) entered disabled state [ 17.678031][ T1089] br: port 2(d2) entered disabled state [ 17.754081][ T1097] br: port 3(d3) entered disabled state [ 18.057600][ T1135] br: port 3(d3) entered blocking state [ 18.057868][ T1135] br: port 3(d3) entered forwarding state [ 18.095670][ T1137] br: port 2(d2) entered blocking state [ 18.095958][ T1137] br: port 2(d2) entered forwarding state [ 18.128280][ T1139] br: port 1(d1) entered blocking state [ 18.128531][ T1139] br: port 1(d1) entered forwarding state [ 18.854754][ T1196] br: port 1(d1) entered disabled state [ 18.854771][ T1196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.854773][ T1196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1196, name: ip [ 18.854775][ T1196] preempt_count: 202, expected: 0 [ 18.854776][ T1196] RCU nest depth: 0, expected: 0 [ 18.854777][ T1196] locks held by ip/1196: 6, last CPU#0: [ 18.854779][ T1196] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 18.854790][ T1196] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 18.854796][ T1196] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.854801][ T1196] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.854805][ T1196] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.854808][ T1196] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.854812][ T1196] irq event stamp: 19487 [ 18.854813][ T1196] hardirqs last enabled at (19486): [] __down_trylock_console_sem+0x86/0xa0 [ 18.854816][ T1196] hardirqs last disabled at (19487): [] console_emit_next_record+0x3d4/0x4c0 [ 18.854818][ T1196] softirqs last enabled at (19470): [] ipv6_mc_down+0x134/0x2d0 [ 18.854821][ T1196] softirqs last disabled at (19482): [] br_device_event+0x1d7/0x8f0 [ 18.854823][ T1196] Preemption disabled at: [ 18.854824][ T1196] [<0000000000000000>] 0x0 [ 18.854830][ T1196] CPU: 0 UID: 0 PID: 1196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.854834][ T1196] Tainted: [W]=WARN [ 18.854835][ T1196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.854836][ T1196] Call Trace: [ 18.854838][ T1196] [ 18.854839][ T1196] dump_stack_lvl+0x6f/0xa0 [ 18.854846][ T1196] __might_resched.cold+0x1fe/0x2c1 [ 18.854850][ T1196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.854854][ T1196] ? __kmalloc_noprof+0xdb/0x760 [ 18.854859][ T1196] __kmalloc_noprof+0x443/0x760 [ 18.854861][ T1196] ? alloc_buf.isra.0+0x4b/0x260 [ 18.854867][ T1196] ? do_raw_spin_unlock+0x59/0x250 [ 18.854870][ T1196] alloc_buf.isra.0+0x4b/0x260 [ 18.854874][ T1196] put_chars+0x1e1/0x2f0 [ 18.854876][ T1196] ? __send_to_port+0x420/0x420 [ 18.854882][ T1196] hvc_console_print+0x292/0x780 [ 18.854890][ T1196] ? hvc_write+0x3a0/0x3a0 [ 18.854893][ T1196] ? lock_acquire+0x13c/0x160 [ 18.854898][ T1196] console_emit_next_record+0x22f/0x4c0 [ 18.854902][ T1196] ? devkmsg_read+0x4b0/0x4b0 [ 18.854904][ T1196] ? console_flush_one_record+0x106/0x710 [ 18.854907][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.854910][ T1196] ? lock_acquire+0x13c/0x160 [ 18.854914][ T1196] console_flush_one_record+0x46f/0x710 [ 18.854918][ T1196] ? console_emit_next_record+0x4c0/0x4c0 [ 18.854920][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.854925][ T1196] console_unlock+0xee/0x1f0 [ 18.854928][ T1196] ? console_flush_one_record+0x710/0x710 [ 18.854930][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.854931][ T1196] ? lock_acquire+0xe0/0x160 [ 18.854935][ T1196] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.854937][ T1196] ? vprintk_emit+0x320/0x3e0 [ 18.854940][ T1196] vprintk_emit+0x37c/0x3e0 [ 18.854943][ T1196] ? wake_up_klogd_work_func+0x90/0x90 [ 18.854944][ T1196] ? mark_held_locks+0x40/0x70 [ 18.854946][ T1196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.854948][ T1196] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.854953][ T1196] _printk+0xc7/0x100 [ 18.854956][ T1196] ? snapshot_read.cold+0x21/0x21 [ 18.854964][ T1196] br_set_state+0x22f/0x430 [ 18.854969][ T1196] br_stp_disable_port+0x11f/0x390 [ 18.854972][ T1196] br_device_event+0x7b5/0x8f0 [ 18.854974][ T1196] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 18.854978][ T1196] ? packet_sendmsg_spkt+0x1360/0x1360 [ 18.854984][ T1196] notifier_call_chain+0xae/0x300 [ 18.854989][ T1196] __dev_notify_flags+0x23c/0x450 [ 18.854994][ T1196] ? netif_change_name+0x8c0/0x8c0 [ 18.854998][ T1196] ? netif_set_allmulti+0x2c0/0x2c0 [ 18.855001][ T1196] ? __kernel_text_address+0x12/0x30 [ 18.855004][ T1196] ? write_profile+0xf0/0xf0 [ 18.855008][ T1196] netif_change_flags+0xfe/0x190 [ 18.855012][ T1196] do_setlink.isra.0+0x1d25/0x2a60 [ 18.855016][ T1196] ? stack_trace_save+0x93/0xc0 [ 18.855018][ T1196] ? rtnl_link_get_size+0x350/0x350 [ 18.855019][ T1196] ? rcu_read_lock_any_held+0x66/0x90 [ 18.855021][ T1196] ? stack_depot_save_flags+0x38e/0x790 [ 18.855024][ T1196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.855026][ T1196] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.855028][ T1196] ? validate_chain+0x38b/0xc20 [ 18.855031][ T1196] ? kasan_save_stack+0x3d/0x50 [ 18.855033][ T1196] ? kasan_save_stack+0x2f/0x50 [ 18.855034][ T1196] ? kasan_save_track+0x14/0x30 [ 18.855036][ T1196] ? __kasan_kmalloc+0x7b/0x90 [ 18.855038][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.855040][ T1196] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 18.855043][ T1196] ? ___sys_sendmsg+0xd0/0x1d0 [ 18.855047][ T1196] ? lock_acquire.part.0+0xd4/0x280 [ 18.855049][ T1196] ? rtnl_newlink+0x9a8/0x11b0 [ 18.855051][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.855053][ T1196] ? lock_acquire+0x13c/0x160 [ 18.855055][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.855056][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.855057][ T1196] ? trace_contention_end+0xb3/0x180 [ 18.855060][ T1196] ? __mutex_lock+0x1db/0x1ea0 [ 18.855061][ T1196] ? __mutex_lock+0x9a3/0x1ea0 [ 18.855063][ T1196] ? rtnl_newlink+0x9a8/0x11b0 [ 18.855066][ T1196] ? ww_mutex_lock+0x160/0x160 [ 18.855070][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.855072][ T1196] ? __rtnl_newlink+0x3fa/0xa50 [ 18.855077][ T1196] rtnl_newlink+0x9f1/0x11b0 [ 18.855083][ T1196] ? rtnl_bridge_getlink+0x850/0x850 [ 18.855085][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.855089][ T1196] ? lock_acquire.part.0+0xd4/0x280 [ 18.855091][ T1196] ? find_held_lock+0x2b/0x80 [ 18.855093][ T1196] ? rtnl_bridge_getlink+0x850/0x850 [ 18.855095][ T1196] ? __lock_release.isra.0+0x69/0x1a0 [ 18.855099][ T1196] ? rtnl_bridge_getlink+0x850/0x850 [ 18.855101][ T1196] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.855104][ T1196] ? rtnl_link_fill+0x920/0x920 [ 18.855106][ T1196] ? __lock_acquire+0x518/0xc20 [ 18.855110][ T1196] ? lock_acquire.part.0+0xd4/0x280 [ 18.855112][ T1196] ? find_held_lock+0x2b/0x80 [ 18.855116][ T1196] netlink_rcv_skb+0x14e/0x3a0 [ 18.855119][ T1196] ? rtnl_link_fill+0x920/0x920 [ 18.855121][ T1196] ? netlink_ack+0xcf0/0xcf0 [ 18.855128][ T1196] ? netlink_deliver_tap+0xc5/0x330 [ 18.855130][ T1196] ? netlink_deliver_tap+0x13c/0x330 [ 18.855134][ T1196] netlink_unicast+0x486/0x750 [ 18.855138][ T1196] ? netlink_attachskb+0x810/0x810 [ 18.855141][ T1196] ? find_held_lock+0x2b/0x80 [ 18.855145][ T1196] netlink_sendmsg+0x75b/0xc90 [ 18.855149][ T1196] ? netlink_unicast+0x750/0x750 [ 18.855153][ T1196] ? __lock_release.isra.0+0x69/0x1a0 [ 18.855155][ T1196] ? __import_iovec+0x36c/0x620 [ 18.855160][ T1196] __sock_sendmsg+0xce/0x190 [ 18.855163][ T1196] ____sys_sendmsg+0x61a/0x860 [ 18.855165][ T1196] ? copy_msghdr_from_user+0x279/0x420 [ 18.855167][ T1196] ? sock_write_iter+0x400/0x400 [ 18.855169][ T1196] ? move_addr_to_kernel+0x40/0x40 [ 18.855176][ T1196] ___sys_sendmsg+0x14e/0x1d0 [ 18.855179][ T1196] ? copy_msghdr_from_user+0x420/0x420 [ 18.855195][ T1196] __sys_sendmsg+0x12c/0x1d0 [ 18.855198][ T1196] ? __sys_sendmsg_sock+0x20/0x20 [ 18.855205][ T1196] ? rcu_is_watching+0x16/0xd0 [ 18.855208][ T1196] do_syscall_64+0xff/0x530 [ 18.855211][ T1196] ? exc_page_fault+0xee/0x100 [ 18.855214][ T1196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.855216][ T1196] RIP: 0033:0x7ffb1ec3d54e [ 18.855218][ T1196] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 18.855220][ T1196] RSP: 002b:00007fff78fefb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.855222][ T1196] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffb1ec3d54e [ 18.855224][ T1196] RDX: 0000000000000000 RSI: 00007fff78fefbf0 RDI: 0000000000000005 [ 18.855225][ T1196] RBP: 00007fff78fefb50 R08: 0000000000000000 R09: 0000000000000000 [ 18.855225][ T1196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144bd [ 18.855226][ T1196] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff78ff02b0 [ 18.855233][ T1196] [ 19.202250][ T1234] br: port 1(d1) entered blocking state [ 19.202534][ T1234] br: port 1(d1) entered forwarding state [ 19.284237][ T1242] br: port 2(d2) entered disabled state [ 19.586020][ T1073] br: port 2(d2) entered blocking state [ 19.586265][ T1073] br: port 2(d2) entered forwarding state [ 19.659589][ T1288] br: port 1(d1) entered disabled state [ 19.730987][ T1296] br: port 2(d2) entered disabled state [ 20.037685][ T1334] br: port 2(d2) entered blocking state [ 20.037702][ T1334] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.037704][ T1334] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1334, name: ip [ 20.037706][ T1334] preempt_count: 202, expected: 0 [ 20.037707][ T1334] RCU nest depth: 0, expected: 0 [ 20.037708][ T1334] locks held by ip/1334: 6, last CPU#0: [ 20.037710][ T1334] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 20.037722][ T1334] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 20.037727][ T1334] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.037732][ T1334] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.037736][ T1334] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.037740][ T1334] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.037744][ T1334] irq event stamp: 21623 [ 20.037745][ T1334] hardirqs last enabled at (21622): [] __down_trylock_console_sem+0x86/0xa0 [ 20.037748][ T1334] hardirqs last disabled at (21623): [] console_emit_next_record+0x3d4/0x4c0 [ 20.037750][ T1334] softirqs last enabled at (21584): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 20.037753][ T1334] softirqs last disabled at (21618): [] br_device_event+0x5fd/0x8f0 [ 20.037755][ T1334] Preemption disabled at: [ 20.037756][ T1334] [<0000000000000000>] 0x0 [ 20.037762][ T1334] CPU: 0 UID: 0 PID: 1334 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.037766][ T1334] Tainted: [W]=WARN [ 20.037766][ T1334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.037768][ T1334] Call Trace: [ 20.037770][ T1334] [ 20.037771][ T1334] dump_stack_lvl+0x6f/0xa0 [ 20.037778][ T1334] __might_resched.cold+0x1fe/0x2c1 [ 20.037782][ T1334] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.037786][ T1334] ? __kmalloc_noprof+0xdb/0x760 [ 20.037790][ T1334] __kmalloc_noprof+0x443/0x760 [ 20.037792][ T1334] ? alloc_buf.isra.0+0x4b/0x260 [ 20.037799][ T1334] ? do_raw_spin_unlock+0x59/0x250 [ 20.037802][ T1334] alloc_buf.isra.0+0x4b/0x260 [ 20.037805][ T1334] put_chars+0x1e1/0x2f0 [ 20.037808][ T1334] ? __send_to_port+0x420/0x420 [ 20.037809][ T1334] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.037812][ T1334] ? validate_chain+0x38b/0xc20 [ 20.037818][ T1334] hvc_console_print+0x292/0x780 [ 20.037825][ T1334] ? hvc_write+0x3a0/0x3a0 [ 20.037828][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.037830][ T1334] ? lock_acquire+0x13c/0x160 [ 20.037834][ T1334] console_emit_next_record+0x22f/0x4c0 [ 20.037838][ T1334] ? devkmsg_read+0x4b0/0x4b0 [ 20.037840][ T1334] ? console_flush_one_record+0x106/0x710 [ 20.037843][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.037844][ T1334] ? lock_acquire+0x13c/0x160 [ 20.037848][ T1334] console_flush_one_record+0x46f/0x710 [ 20.037852][ T1334] ? console_emit_next_record+0x4c0/0x4c0 [ 20.037854][ T1334] ? __lock_acquire+0x518/0xc20 [ 20.037859][ T1334] console_unlock+0xee/0x1f0 [ 20.037862][ T1334] ? console_flush_one_record+0x710/0x710 [ 20.037864][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.037866][ T1334] ? lock_acquire+0xe0/0x160 [ 20.037869][ T1334] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.037871][ T1334] ? vprintk_emit+0x320/0x3e0 [ 20.037874][ T1334] vprintk_emit+0x37c/0x3e0 [ 20.037877][ T1334] ? wake_up_klogd_work_func+0x90/0x90 [ 20.037879][ T1334] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.037881][ T1334] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.037885][ T1334] _printk+0xc7/0x100 [ 20.037889][ T1334] ? snapshot_read.cold+0x21/0x21 [ 20.037894][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 20.037897][ T1334] br_set_state+0x22f/0x430 [ 20.037902][ T1334] br_init_port+0xc4/0x200 [ 20.037904][ T1334] br_stp_enable_port+0x12/0x50 [ 20.037906][ T1334] br_device_event+0x605/0x8f0 [ 20.037909][ T1334] ? packet_sendmsg_spkt+0x1360/0x1360 [ 20.037911][ T1334] ? nlmsg_notify+0x62/0x250 [ 20.037917][ T1334] notifier_call_chain+0xae/0x300 [ 20.037923][ T1334] __dev_notify_flags+0x1b7/0x450 [ 20.037928][ T1334] ? netif_change_name+0x8c0/0x8c0 [ 20.037931][ T1334] ? netif_set_allmulti+0x2c0/0x2c0 [ 20.037934][ T1334] ? kernel_text_address+0x149/0x170 [ 20.037937][ T1334] ? __kernel_text_address+0x12/0x30 [ 20.037938][ T1334] ? write_profile+0xf0/0xf0 [ 20.037943][ T1334] netif_change_flags+0xfe/0x190 [ 20.037947][ T1334] do_setlink.isra.0+0x1d25/0x2a60 [ 20.037950][ T1334] ? stack_trace_save+0x93/0xc0 [ 20.037952][ T1334] ? rtnl_link_get_size+0x350/0x350 [ 20.037953][ T1334] ? rcu_read_lock_any_held+0x66/0x90 [ 20.037955][ T1334] ? stack_depot_save_flags+0x38e/0x790 [ 20.037958][ T1334] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.037960][ T1334] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.037962][ T1334] ? validate_chain+0x38b/0xc20 [ 20.037964][ T1334] ? kasan_save_stack+0x3d/0x50 [ 20.037967][ T1334] ? kasan_save_stack+0x2f/0x50 [ 20.037968][ T1334] ? kasan_save_track+0x14/0x30 [ 20.037969][ T1334] ? __kasan_kmalloc+0x7b/0x90 [ 20.037971][ T1334] ? __lock_acquire+0x518/0xc20 [ 20.037973][ T1334] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 20.037976][ T1334] ? ___sys_sendmsg+0xd0/0x1d0 [ 20.037980][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 20.037982][ T1334] ? rtnl_newlink+0x9a8/0x11b0 [ 20.037984][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.037986][ T1334] ? lock_acquire+0x13c/0x160 [ 20.037987][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.037988][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.037990][ T1334] ? trace_contention_end+0xb3/0x180 [ 20.037993][ T1334] ? __mutex_lock+0x1db/0x1ea0 [ 20.037995][ T1334] ? __mutex_lock+0x9a3/0x1ea0 [ 20.037997][ T1334] ? rtnl_newlink+0x9a8/0x11b0 [ 20.038000][ T1334] ? ww_mutex_lock+0x160/0x160 [ 20.038004][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.038006][ T1334] ? __rtnl_newlink+0x3fa/0xa50 [ 20.038011][ T1334] rtnl_newlink+0x9f1/0x11b0 [ 20.038016][ T1334] ? rtnl_bridge_getlink+0x850/0x850 [ 20.038018][ T1334] ? __lock_acquire+0x518/0xc20 [ 20.038022][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 20.038024][ T1334] ? find_held_lock+0x2b/0x80 [ 20.038026][ T1334] ? rtnl_bridge_getlink+0x850/0x850 [ 20.038028][ T1334] ? __lock_release.isra.0+0x69/0x1a0 [ 20.038032][ T1334] ? rtnl_bridge_getlink+0x850/0x850 [ 20.038034][ T1334] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 20.038037][ T1334] ? rtnl_link_fill+0x920/0x920 [ 20.038038][ T1334] ? __lock_acquire+0x518/0xc20 [ 20.038043][ T1334] ? lock_acquire.part.0+0xd4/0x280 [ 20.038045][ T1334] ? find_held_lock+0x2b/0x80 [ 20.038048][ T1334] netlink_rcv_skb+0x14e/0x3a0 [ 20.038050][ T1334] ? rtnl_link_fill+0x920/0x920 [ 20.038053][ T1334] ? netlink_ack+0xcf0/0xcf0 [ 20.038059][ T1334] ? netlink_deliver_tap+0xc5/0x330 [ 20.038061][ T1334] ? netlink_deliver_tap+0x13c/0x330 [ 20.038066][ T1334] netlink_unicast+0x486/0x750 [ 20.038069][ T1334] ? netlink_attachskb+0x810/0x810 [ 20.038072][ T1334] ? find_held_lock+0x2b/0x80 [ 20.038076][ T1334] netlink_sendmsg+0x75b/0xc90 [ 20.038080][ T1334] ? netlink_unicast+0x750/0x750 [ 20.038084][ T1334] ? __lock_release.isra.0+0x69/0x1a0 [ 20.038086][ T1334] ? __import_iovec+0x36c/0x620 [ 20.038091][ T1334] __sock_sendmsg+0xce/0x190 [ 20.038094][ T1334] ____sys_sendmsg+0x61a/0x860 [ 20.038096][ T1334] ? copy_msghdr_from_user+0x279/0x420 [ 20.038098][ T1334] ? sock_write_iter+0x400/0x400 [ 20.038100][ T1334] ? move_addr_to_kernel+0x40/0x40 [ 20.038107][ T1334] ___sys_sendmsg+0x14e/0x1d0 [ 20.038110][ T1334] ? copy_msghdr_from_user+0x420/0x420 [ 20.038125][ T1334] __sys_sendmsg+0x12c/0x1d0 [ 20.038128][ T1334] ? __sys_sendmsg_sock+0x20/0x20 [ 20.038134][ T1334] ? rcu_is_watching+0x16/0xd0 [ 20.038137][ T1334] do_syscall_64+0xff/0x530 [ 20.038140][ T1334] ? exc_page_fault+0xee/0x100 [ 20.038143][ T1334] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.038145][ T1334] RIP: 0033:0x7fde5e04154e [ 20.038148][ T1334] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 20.038149][ T1334] RSP: 002b:00007ffc38b15500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.038152][ T1334] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde5e04154e [ 20.038153][ T1334] RDX: 0000000000000000 RSI: 00007ffc38b155b0 RDI: 0000000000000005 [ 20.038154][ T1334] RBP: 00007ffc38b15510 R08: 0000000000000000 R09: 0000000000000000 [ 20.038155][ T1334] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144be [ 20.038156][ T1334] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38b15c70 [ 20.038163][ T1334] [ 20.074602][ T1334] br: port 2(d2) entered forwarding state [ 20.110077][ T1336] br: port 1(d1) entered blocking state [ 20.110343][ T1336] br: port 1(d1) entered forwarding state [ 20.186388][ T1344] br: port 1(d1) entered disabled state [ 20.262799][ T1352] br: port 2(d2) entered disabled state [ 20.338269][ T1360] br: port 3(d3) entered disabled state [ 21.600351][ T1073] br: port 3(d3) entered blocking state [ 21.600369][ T1073] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.600371][ T1073] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1073, name: kworker/u20:2 [ 21.600373][ T1073] preempt_count: 202, expected: 0 [ 21.600374][ T1073] RCU nest depth: 0, expected: 0 [ 21.600375][ T1073] locks held by kworker/u20:2/1073: 8, last CPU#1: [ 21.600377][ T1073] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 21.600390][ T1073] #1: ffa0000002d47d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 21.600393][ T1073] #2: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 21.600399][ T1073] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 21.600404][ T1073] #4: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.600409][ T1073] #5: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.600412][ T1073] #6: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.600416][ T1073] #7: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.600420][ T1073] irq event stamp: 69305 [ 21.600421][ T1073] hardirqs last enabled at (69304): [] __down_trylock_console_sem+0x86/0xa0 [ 21.600424][ T1073] hardirqs last disabled at (69305): [] console_emit_next_record+0x3d4/0x4c0 [ 21.600427][ T1073] softirqs last enabled at (69266): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 21.600429][ T1073] softirqs last disabled at (69300): [] br_port_carrier_check+0x161/0x430 [ 21.600432][ T1073] Preemption disabled at: [ 21.600432][ T1073] [<0000000000000000>] 0x0 [ 21.600439][ T1073] CPU: 1 UID: 0 PID: 1073 Comm: kworker/u20:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.600442][ T1073] Tainted: [W]=WARN [ 21.600443][ T1073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.600445][ T1073] Workqueue: events_unbound linkwatch_event [ 21.600448][ T1073] Call Trace: [ 21.600449][ T1073] [ 21.600451][ T1073] dump_stack_lvl+0x6f/0xa0 [ 21.600458][ T1073] __might_resched.cold+0x1fe/0x2c1 [ 21.600462][ T1073] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.600466][ T1073] ? __kmalloc_noprof+0xdb/0x760 [ 21.600471][ T1073] __kmalloc_noprof+0x443/0x760 [ 21.600472][ T1073] ? alloc_buf.isra.0+0x4b/0x260 [ 21.600479][ T1073] ? do_raw_spin_unlock+0x59/0x250 [ 21.600482][ T1073] alloc_buf.isra.0+0x4b/0x260 [ 21.600486][ T1073] put_chars+0x1e1/0x2f0 [ 21.600488][ T1073] ? __send_to_port+0x420/0x420 [ 21.600490][ T1073] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.600494][ T1073] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.600496][ T1073] ? validate_chain+0x38b/0xc20 [ 21.600501][ T1073] hvc_console_print+0x292/0x780 [ 21.600505][ T1073] ? mark_usage+0x61/0x170 [ 21.600506][ T1073] ? __lock_acquire+0x518/0xc20 [ 21.600508][ T1073] ? __lock_acquire+0x518/0xc20 [ 21.600512][ T1073] ? hvc_write+0x3a0/0x3a0 [ 21.600514][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 21.600522][ T1073] ? lock_acquire+0x13c/0x160 [ 21.600526][ T1073] console_emit_next_record+0x22f/0x4c0 [ 21.600530][ T1073] ? devkmsg_read+0x4b0/0x4b0 [ 21.600532][ T1073] ? console_flush_one_record+0x106/0x710 [ 21.600535][ T1073] ? rcu_is_watching+0x16/0xd0 [ 21.600537][ T1073] ? lock_acquire+0x13c/0x160 [ 21.600542][ T1073] console_flush_one_record+0x46f/0x710 [ 21.600546][ T1073] ? console_emit_next_record+0x4c0/0x4c0 [ 21.600548][ T1073] ? __lock_acquire+0x518/0xc20 [ 21.600553][ T1073] console_unlock+0xee/0x1f0 [ 21.600556][ T1073] ? console_flush_one_record+0x710/0x710 [ 21.600558][ T1073] ? rcu_is_watching+0x16/0xd0 [ 21.600560][ T1073] ? lock_acquire+0xe0/0x160 [ 21.600563][ T1073] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.600565][ T1073] ? vprintk_emit+0x320/0x3e0 [ 21.600568][ T1073] vprintk_emit+0x37c/0x3e0 [ 21.600571][ T1073] ? wake_up_klogd_work_func+0x90/0x90 [ 21.600573][ T1073] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.600575][ T1073] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.600579][ T1073] _printk+0xc7/0x100 [ 21.600583][ T1073] ? snapshot_read.cold+0x21/0x21 [ 21.600588][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 21.600592][ T1073] br_set_state+0x22f/0x430 [ 21.600596][ T1073] br_init_port+0xc4/0x200 [ 21.600599][ T1073] br_stp_enable_port+0x12/0x50 [ 21.600604][ T1073] br_port_carrier_check+0x220/0x430 [ 21.600608][ T1073] br_device_event+0x52d/0x8f0 [ 21.600612][ T1073] ? packet_sendmsg_spkt+0x1360/0x1360 [ 21.600613][ T1073] ? nlmsg_notify+0x62/0x250 [ 21.600620][ T1073] notifier_call_chain+0xae/0x300 [ 21.600626][ T1073] netif_state_change+0x139/0x3d0 [ 21.600631][ T1073] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 21.600635][ T1073] ? linkwatch_do_dev+0xae/0xd0 [ 21.600637][ T1073] __linkwatch_run_queue+0x350/0x850 [ 21.600641][ T1073] ? linkwatch_do_dev+0xd0/0xd0 [ 21.600643][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 21.600647][ T1073] linkwatch_event+0x7f/0xb0 [ 21.600650][ T1073] ? __linkwatch_run_queue+0x850/0x850 [ 21.600653][ T1073] process_one_work+0xe3e/0x1560 [ 21.600660][ T1073] ? __queue_delayed_work+0x470/0x470 [ 21.600663][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 21.600670][ T1073] worker_thread+0x4f1/0xd60 [ 21.600674][ T1073] ? rescuer_thread+0x1340/0x1340 [ 21.600677][ T1073] ? __kthread_parkme+0xbd/0x210 [ 21.600679][ T1073] ? rescuer_thread+0x1340/0x1340 [ 21.600682][ T1073] ? rescuer_thread+0x1340/0x1340 [ 21.600684][ T1073] kthread+0x367/0x460 [ 21.600686][ T1073] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 21.600690][ T1073] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.600693][ T1073] ret_from_fork+0x474/0x6b0 [ 21.600697][ T1073] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 21.600700][ T1073] ? __switch_to+0x5a3/0xe00 [ 21.600703][ T1073] ? kthread_affine_preferred+0x4c0/0x4c0 [ 21.600706][ T1073] ret_from_fork_asm+0x11/0x20 [ 21.600715][ T1073] [ 21.622595][ T1073] br: port 3(d3) entered forwarding state [ 21.649886][ T1073] br: port 2(d2) entered blocking state [ 21.650109][ T1073] br: port 2(d2) entered forwarding state [ 21.684907][ T37] br: port 1(d1) entered blocking state [ 21.685155][ T37] br: port 1(d1) entered forwarding state [ 22.453428][ T1564] br: port 1(d1) entered disabled state [ 22.764464][ T1602] br: port 1(d1) entered blocking state [ 22.764482][ T1602] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.764484][ T1602] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1602, name: ip [ 22.764486][ T1602] preempt_count: 202, expected: 0 [ 22.764487][ T1602] RCU nest depth: 0, expected: 0 [ 22.764488][ T1602] locks held by ip/1602: 6, last CPU#3: [ 22.764490][ T1602] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 22.764502][ T1602] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 22.764507][ T1602] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.764512][ T1602] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.764516][ T1602] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.764522][ T1602] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.764526][ T1602] irq event stamp: 21887 [ 22.764527][ T1602] hardirqs last enabled at (21886): [] __down_trylock_console_sem+0x86/0xa0 [ 22.764530][ T1602] hardirqs last disabled at (21887): [] console_emit_next_record+0x3d4/0x4c0 [ 22.764532][ T1602] softirqs last enabled at (21848): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 22.764534][ T1602] softirqs last disabled at (21882): [] br_device_event+0x5fd/0x8f0 [ 22.764537][ T1602] Preemption disabled at: [ 22.764537][ T1602] [<0000000000000000>] 0x0 [ 22.764544][ T1602] CPU: 3 UID: 0 PID: 1602 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.764547][ T1602] Tainted: [W]=WARN [ 22.764548][ T1602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.764550][ T1602] Call Trace: [ 22.764552][ T1602] [ 22.764553][ T1602] dump_stack_lvl+0x6f/0xa0 [ 22.764560][ T1602] __might_resched.cold+0x1fe/0x2c1 [ 22.764564][ T1602] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.764568][ T1602] ? __kmalloc_noprof+0xdb/0x760 [ 22.764572][ T1602] __kmalloc_noprof+0x443/0x760 [ 22.764574][ T1602] ? alloc_buf.isra.0+0x4b/0x260 [ 22.764581][ T1602] ? do_raw_spin_unlock+0x59/0x250 [ 22.764583][ T1602] alloc_buf.isra.0+0x4b/0x260 [ 22.764587][ T1602] put_chars+0x1e1/0x2f0 [ 22.764589][ T1602] ? __send_to_port+0x420/0x420 [ 22.764591][ T1602] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.764594][ T1602] ? validate_chain+0x38b/0xc20 [ 22.764600][ T1602] hvc_console_print+0x292/0x780 [ 22.764611][ T1602] ? hvc_write+0x3a0/0x3a0 [ 22.764614][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764615][ T1602] ? lock_acquire+0x13c/0x160 [ 22.764619][ T1602] console_emit_next_record+0x22f/0x4c0 [ 22.764623][ T1602] ? devkmsg_read+0x4b0/0x4b0 [ 22.764625][ T1602] ? console_flush_one_record+0x106/0x710 [ 22.764628][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764630][ T1602] ? lock_acquire+0x13c/0x160 [ 22.764634][ T1602] console_flush_one_record+0x46f/0x710 [ 22.764638][ T1602] ? console_emit_next_record+0x4c0/0x4c0 [ 22.764640][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.764645][ T1602] console_unlock+0xee/0x1f0 [ 22.764648][ T1602] ? console_flush_one_record+0x710/0x710 [ 22.764650][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764652][ T1602] ? lock_acquire+0xe0/0x160 [ 22.764655][ T1602] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.764657][ T1602] ? vprintk_emit+0x320/0x3e0 [ 22.764660][ T1602] vprintk_emit+0x37c/0x3e0 [ 22.764663][ T1602] ? wake_up_klogd_work_func+0x90/0x90 [ 22.764665][ T1602] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.764667][ T1602] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.764671][ T1602] _printk+0xc7/0x100 [ 22.764675][ T1602] ? snapshot_read.cold+0x21/0x21 [ 22.764680][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.764683][ T1602] br_set_state+0x22f/0x430 [ 22.764688][ T1602] br_init_port+0xc4/0x200 [ 22.764690][ T1602] br_stp_enable_port+0x12/0x50 [ 22.764692][ T1602] br_device_event+0x605/0x8f0 [ 22.764695][ T1602] ? packet_sendmsg_spkt+0x1360/0x1360 [ 22.764697][ T1602] ? nlmsg_notify+0x62/0x250 [ 22.764703][ T1602] notifier_call_chain+0xae/0x300 [ 22.764709][ T1602] __dev_notify_flags+0x1b7/0x450 [ 22.764714][ T1602] ? netif_change_name+0x8c0/0x8c0 [ 22.764717][ T1602] ? netif_set_allmulti+0x2c0/0x2c0 [ 22.764720][ T1602] ? kernel_text_address+0x149/0x170 [ 22.764723][ T1602] ? __kernel_text_address+0x12/0x30 [ 22.764724][ T1602] ? write_profile+0xf0/0xf0 [ 22.764729][ T1602] netif_change_flags+0xfe/0x190 [ 22.764733][ T1602] do_setlink.isra.0+0x1d25/0x2a60 [ 22.764736][ T1602] ? stack_trace_save+0x93/0xc0 [ 22.764738][ T1602] ? rtnl_link_get_size+0x350/0x350 [ 22.764739][ T1602] ? rcu_read_lock_any_held+0x66/0x90 [ 22.764741][ T1602] ? stack_depot_save_flags+0x38e/0x790 [ 22.764744][ T1602] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.764746][ T1602] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.764748][ T1602] ? validate_chain+0x38b/0xc20 [ 22.764750][ T1602] ? kasan_save_stack+0x3d/0x50 [ 22.764753][ T1602] ? kasan_save_stack+0x2f/0x50 [ 22.764754][ T1602] ? kasan_save_track+0x14/0x30 [ 22.764755][ T1602] ? __kasan_kmalloc+0x7b/0x90 [ 22.764758][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.764760][ T1602] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 22.764762][ T1602] ? ___sys_sendmsg+0xd0/0x1d0 [ 22.764766][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.764768][ T1602] ? rtnl_newlink+0x9a8/0x11b0 [ 22.764771][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764772][ T1602] ? lock_acquire+0x13c/0x160 [ 22.764774][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764775][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764777][ T1602] ? trace_contention_end+0xb3/0x180 [ 22.764779][ T1602] ? __mutex_lock+0x1db/0x1ea0 [ 22.764781][ T1602] ? __mutex_lock+0x9a3/0x1ea0 [ 22.764783][ T1602] ? rtnl_newlink+0x9a8/0x11b0 [ 22.764786][ T1602] ? ww_mutex_lock+0x160/0x160 [ 22.764790][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764792][ T1602] ? __rtnl_newlink+0x3fa/0xa50 [ 22.764797][ T1602] rtnl_newlink+0x9f1/0x11b0 [ 22.764803][ T1602] ? rtnl_bridge_getlink+0x850/0x850 [ 22.764804][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.764809][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.764811][ T1602] ? find_held_lock+0x2b/0x80 [ 22.764813][ T1602] ? rtnl_bridge_getlink+0x850/0x850 [ 22.764814][ T1602] ? __lock_release.isra.0+0x69/0x1a0 [ 22.764818][ T1602] ? rtnl_bridge_getlink+0x850/0x850 [ 22.764820][ T1602] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.764823][ T1602] ? rtnl_link_fill+0x920/0x920 [ 22.764824][ T1602] ? __lock_acquire+0x518/0xc20 [ 22.764829][ T1602] ? lock_acquire.part.0+0xd4/0x280 [ 22.764831][ T1602] ? find_held_lock+0x2b/0x80 [ 22.764834][ T1602] netlink_rcv_skb+0x14e/0x3a0 [ 22.764836][ T1602] ? rtnl_link_fill+0x920/0x920 [ 22.764839][ T1602] ? netlink_ack+0xcf0/0xcf0 [ 22.764845][ T1602] ? netlink_deliver_tap+0xc5/0x330 [ 22.764847][ T1602] ? netlink_deliver_tap+0x13c/0x330 [ 22.764852][ T1602] netlink_unicast+0x486/0x750 [ 22.764855][ T1602] ? netlink_attachskb+0x810/0x810 [ 22.764858][ T1602] ? find_held_lock+0x2b/0x80 [ 22.764862][ T1602] netlink_sendmsg+0x75b/0xc90 [ 22.764866][ T1602] ? netlink_unicast+0x750/0x750 [ 22.764870][ T1602] ? __lock_release.isra.0+0x69/0x1a0 [ 22.764871][ T1602] ? __import_iovec+0x36c/0x620 [ 22.764877][ T1602] __sock_sendmsg+0xce/0x190 [ 22.764879][ T1602] ____sys_sendmsg+0x61a/0x860 [ 22.764882][ T1602] ? copy_msghdr_from_user+0x279/0x420 [ 22.764884][ T1602] ? sock_write_iter+0x400/0x400 [ 22.764885][ T1602] ? move_addr_to_kernel+0x40/0x40 [ 22.764893][ T1602] ___sys_sendmsg+0x14e/0x1d0 [ 22.764895][ T1602] ? copy_msghdr_from_user+0x420/0x420 [ 22.764911][ T1602] __sys_sendmsg+0x12c/0x1d0 [ 22.764914][ T1602] ? __sys_sendmsg_sock+0x20/0x20 [ 22.764920][ T1602] ? rcu_is_watching+0x16/0xd0 [ 22.764923][ T1602] do_syscall_64+0xff/0x530 [ 22.764926][ T1602] ? exc_page_fault+0xee/0x100 [ 22.764928][ T1602] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.764930][ T1602] RIP: 0033:0x7f5d0cadb54e [ 22.764933][ T1602] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 22.764934][ T1602] RSP: 002b:00007ffcbcb95780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.764937][ T1602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d0cadb54e [ 22.764938][ T1602] RDX: 0000000000000000 RSI: 00007ffcbcb95830 RDI: 0000000000000005 [ 22.764939][ T1602] RBP: 00007ffcbcb95790 R08: 0000000000000000 R09: 0000000000000000 [ 22.764940][ T1602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144c1 [ 22.764940][ T1602] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbcb95ef0 [ 22.764947][ T1602] [ 22.800216][ T1602] br: port 1(d1) entered forwarding state [ 22.892189][ T1610] br: port 2(d2) entered disabled state [ 23.192054][ T1648] br: port 2(d2) entered blocking state [ 23.192326][ T1648] br: port 2(d2) entered forwarding state [ 23.271651][ T1656] br: port 1(d1) entered disabled state [ 23.350071][ T1664] br: port 2(d2) entered disabled state [ 23.662932][ T38] br: port 2(d2) entered blocking state [ 23.663167][ T38] br: port 2(d2) entered forwarding state [ 23.688891][ T38] br: port 1(d1) entered blocking state [ 23.689115][ T38] br: port 1(d1) entered forwarding state [ 23.770155][ T1712] br: port 1(d1) entered disabled state [ 23.770166][ T1712] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.770167][ T1712] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1712, name: ip [ 23.770169][ T1712] preempt_count: 202, expected: 0 [ 23.770170][ T1712] RCU nest depth: 0, expected: 0 [ 23.770171][ T1712] locks held by ip/1712: 6, last CPU#3: [ 23.770173][ T1712] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 23.770185][ T1712] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 23.770191][ T1712] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.770196][ T1712] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.770199][ T1712] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.770203][ T1712] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.770207][ T1712] irq event stamp: 26685 [ 23.770208][ T1712] hardirqs last enabled at (26684): [] __down_trylock_console_sem+0x86/0xa0 [ 23.770211][ T1712] hardirqs last disabled at (26685): [] console_emit_next_record+0x3d4/0x4c0 [ 23.770213][ T1712] softirqs last enabled at (26668): [] ipv6_mc_down+0x134/0x2d0 [ 23.770216][ T1712] softirqs last disabled at (26680): [] br_device_event+0x1d7/0x8f0 [ 23.770218][ T1712] Preemption disabled at: [ 23.770219][ T1712] [<0000000000000000>] 0x0 [ 23.770225][ T1712] CPU: 3 UID: 0 PID: 1712 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.770229][ T1712] Tainted: [W]=WARN [ 23.770230][ T1712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.770231][ T1712] Call Trace: [ 23.770233][ T1712] [ 23.770234][ T1712] dump_stack_lvl+0x6f/0xa0 [ 23.770241][ T1712] __might_resched.cold+0x1fe/0x2c1 [ 23.770245][ T1712] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.770249][ T1712] ? __kmalloc_noprof+0xdb/0x760 [ 23.770254][ T1712] __kmalloc_noprof+0x443/0x760 [ 23.770255][ T1712] ? alloc_buf.isra.0+0x4b/0x260 [ 23.770262][ T1712] ? do_raw_spin_unlock+0x59/0x250 [ 23.770265][ T1712] alloc_buf.isra.0+0x4b/0x260 [ 23.770268][ T1712] put_chars+0x1e1/0x2f0 [ 23.770271][ T1712] ? __send_to_port+0x420/0x420 [ 23.770277][ T1712] hvc_console_print+0x292/0x780 [ 23.770284][ T1712] ? hvc_write+0x3a0/0x3a0 [ 23.770287][ T1712] ? lock_acquire+0x13c/0x160 [ 23.770291][ T1712] console_emit_next_record+0x22f/0x4c0 [ 23.770295][ T1712] ? devkmsg_read+0x4b0/0x4b0 [ 23.770297][ T1712] ? console_flush_one_record+0x106/0x710 [ 23.770300][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770303][ T1712] ? lock_acquire+0x13c/0x160 [ 23.770306][ T1712] console_flush_one_record+0x46f/0x710 [ 23.770310][ T1712] ? console_emit_next_record+0x4c0/0x4c0 [ 23.770312][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.770317][ T1712] console_unlock+0xee/0x1f0 [ 23.770320][ T1712] ? console_flush_one_record+0x710/0x710 [ 23.770322][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770324][ T1712] ? lock_acquire+0xe0/0x160 [ 23.770327][ T1712] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.770329][ T1712] ? vprintk_emit+0x320/0x3e0 [ 23.770332][ T1712] vprintk_emit+0x37c/0x3e0 [ 23.770335][ T1712] ? wake_up_klogd_work_func+0x90/0x90 [ 23.770336][ T1712] ? mark_held_locks+0x40/0x70 [ 23.770338][ T1712] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.770340][ T1712] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.770344][ T1712] _printk+0xc7/0x100 [ 23.770348][ T1712] ? snapshot_read.cold+0x21/0x21 [ 23.770355][ T1712] br_set_state+0x22f/0x430 [ 23.770360][ T1712] br_stp_disable_port+0x11f/0x390 [ 23.770363][ T1712] br_device_event+0x7b5/0x8f0 [ 23.770365][ T1712] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 23.770368][ T1712] ? packet_sendmsg_spkt+0x1360/0x1360 [ 23.770374][ T1712] notifier_call_chain+0xae/0x300 [ 23.770380][ T1712] __dev_notify_flags+0x23c/0x450 [ 23.770385][ T1712] ? netif_change_name+0x8c0/0x8c0 [ 23.770388][ T1712] ? netif_set_allmulti+0x2c0/0x2c0 [ 23.770391][ T1712] ? __kernel_text_address+0x12/0x30 [ 23.770394][ T1712] ? write_profile+0xf0/0xf0 [ 23.770399][ T1712] netif_change_flags+0xfe/0x190 [ 23.770402][ T1712] do_setlink.isra.0+0x1d25/0x2a60 [ 23.770406][ T1712] ? stack_trace_save+0x93/0xc0 [ 23.770408][ T1712] ? rtnl_link_get_size+0x350/0x350 [ 23.770409][ T1712] ? rcu_read_lock_any_held+0x66/0x90 [ 23.770411][ T1712] ? stack_depot_save_flags+0x38e/0x790 [ 23.770414][ T1712] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.770416][ T1712] ? rcu_read_lock_any_held+0x3c/0x90 [ 23.770418][ T1712] ? validate_chain+0x38b/0xc20 [ 23.770420][ T1712] ? kasan_save_stack+0x3d/0x50 [ 23.770423][ T1712] ? kasan_save_stack+0x2f/0x50 [ 23.770424][ T1712] ? kasan_save_track+0x14/0x30 [ 23.770425][ T1712] ? __kasan_kmalloc+0x7b/0x90 [ 23.770427][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.770429][ T1712] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 23.770432][ T1712] ? ___sys_sendmsg+0xd0/0x1d0 [ 23.770436][ T1712] ? lock_acquire.part.0+0xd4/0x280 [ 23.770438][ T1712] ? rtnl_newlink+0x9a8/0x11b0 [ 23.770440][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770442][ T1712] ? lock_acquire+0x13c/0x160 [ 23.770444][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770445][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770446][ T1712] ? trace_contention_end+0xb3/0x180 [ 23.770448][ T1712] ? __mutex_lock+0x1db/0x1ea0 [ 23.770450][ T1712] ? __mutex_lock+0x9a3/0x1ea0 [ 23.770451][ T1712] ? rtnl_newlink+0x9a8/0x11b0 [ 23.770455][ T1712] ? ww_mutex_lock+0x160/0x160 [ 23.770458][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770460][ T1712] ? __rtnl_newlink+0x3fa/0xa50 [ 23.770465][ T1712] rtnl_newlink+0x9f1/0x11b0 [ 23.770471][ T1712] ? rtnl_bridge_getlink+0x850/0x850 [ 23.770473][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.770477][ T1712] ? lock_acquire.part.0+0xd4/0x280 [ 23.770479][ T1712] ? find_held_lock+0x2b/0x80 [ 23.770481][ T1712] ? rtnl_bridge_getlink+0x850/0x850 [ 23.770483][ T1712] ? __lock_release.isra.0+0x69/0x1a0 [ 23.770487][ T1712] ? rtnl_bridge_getlink+0x850/0x850 [ 23.770489][ T1712] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 23.770492][ T1712] ? rtnl_link_fill+0x920/0x920 [ 23.770493][ T1712] ? __lock_acquire+0x518/0xc20 [ 23.770497][ T1712] ? lock_acquire.part.0+0xd4/0x280 [ 23.770499][ T1712] ? find_held_lock+0x2b/0x80 [ 23.770503][ T1712] netlink_rcv_skb+0x14e/0x3a0 [ 23.770506][ T1712] ? rtnl_link_fill+0x920/0x920 [ 23.770509][ T1712] ? netlink_ack+0xcf0/0xcf0 [ 23.770515][ T1712] ? netlink_deliver_tap+0xc5/0x330 [ 23.770519][ T1712] ? netlink_deliver_tap+0x13c/0x330 [ 23.770523][ T1712] netlink_unicast+0x486/0x750 [ 23.770527][ T1712] ? netlink_attachskb+0x810/0x810 [ 23.770530][ T1712] ? find_held_lock+0x2b/0x80 [ 23.770534][ T1712] netlink_sendmsg+0x75b/0xc90 [ 23.770538][ T1712] ? netlink_unicast+0x750/0x750 [ 23.770542][ T1712] ? __lock_release.isra.0+0x69/0x1a0 [ 23.770543][ T1712] ? __import_iovec+0x36c/0x620 [ 23.770548][ T1712] __sock_sendmsg+0xce/0x190 [ 23.770551][ T1712] ____sys_sendmsg+0x61a/0x860 [ 23.770553][ T1712] ? copy_msghdr_from_user+0x279/0x420 [ 23.770556][ T1712] ? sock_write_iter+0x400/0x400 [ 23.770557][ T1712] ? move_addr_to_kernel+0x40/0x40 [ 23.770564][ T1712] ___sys_sendmsg+0x14e/0x1d0 [ 23.770567][ T1712] ? copy_msghdr_from_user+0x420/0x420 [ 23.770583][ T1712] __sys_sendmsg+0x12c/0x1d0 [ 23.770586][ T1712] ? __sys_sendmsg_sock+0x20/0x20 [ 23.770592][ T1712] ? rcu_is_watching+0x16/0xd0 [ 23.770595][ T1712] do_syscall_64+0xff/0x530 [ 23.770598][ T1712] ? exc_page_fault+0xee/0x100 [ 23.770601][ T1712] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.770603][ T1712] RIP: 0033:0x7f8cefe8f54e [ 23.770605][ T1712] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 23.770607][ T1712] RSP: 002b:00007fffdd698d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.770609][ T1712] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8cefe8f54e [ 23.770614][ T1712] RDX: 0000000000000000 RSI: 00007fffdd698e20 RDI: 0000000000000005 [ 23.770615][ T1712] RBP: 00007fffdd698d80 R08: 0000000000000000 R09: 0000000000000000 [ 23.770616][ T1712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144c2 [ 23.770616][ T1712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdd6994e0 [ 23.770623][ T1712] [ 23.879504][ T1720] br: port 2(d2) entered disabled state [ 23.944180][ T1728] br: port 3(d3) entered disabled state [ 24.253221][ T1766] br: port 3(d3) entered blocking state [ 24.253483][ T1766] br: port 3(d3) entered forwarding state [ 24.280301][ T1768] br: port 2(d2) entered blocking state [ 24.280552][ T1768] br: port 2(d2) entered forwarding state [ 24.318427][ T1770] br: port 1(d1) entered blocking state [ 24.318683][ T1770] br: port 1(d1) entered forwarding state [ 25.023989][ T1827] br: port 1(d1) entered disabled state [ 25.024006][ T1827] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.024008][ T1827] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1827, name: ip [ 25.024010][ T1827] preempt_count: 202, expected: 0 [ 25.024011][ T1827] RCU nest depth: 0, expected: 0 [ 25.024012][ T1827] locks held by ip/1827: 6, last CPU#3: [ 25.024014][ T1827] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 25.024025][ T1827] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 25.024030][ T1827] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.024035][ T1827] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.024039][ T1827] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.024043][ T1827] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.024047][ T1827] irq event stamp: 20345 [ 25.024047][ T1827] hardirqs last enabled at (20344): [] __down_trylock_console_sem+0x86/0xa0 [ 25.024051][ T1827] hardirqs last disabled at (20345): [] console_emit_next_record+0x3d4/0x4c0 [ 25.024052][ T1827] softirqs last enabled at (20328): [] ipv6_mc_down+0x134/0x2d0 [ 25.024056][ T1827] softirqs last disabled at (20340): [] br_device_event+0x1d7/0x8f0 [ 25.024058][ T1827] Preemption disabled at: [ 25.024058][ T1827] [<0000000000000000>] 0x0 [ 25.024065][ T1827] CPU: 3 UID: 0 PID: 1827 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.024068][ T1827] Tainted: [W]=WARN [ 25.024069][ T1827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.024071][ T1827] Call Trace: [ 25.024072][ T1827] [ 25.024073][ T1827] dump_stack_lvl+0x6f/0xa0 [ 25.024080][ T1827] __might_resched.cold+0x1fe/0x2c1 [ 25.024084][ T1827] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.024088][ T1827] ? __kmalloc_noprof+0xdb/0x760 [ 25.024092][ T1827] __kmalloc_noprof+0x443/0x760 [ 25.024094][ T1827] ? alloc_buf.isra.0+0x4b/0x260 [ 25.024100][ T1827] ? do_raw_spin_unlock+0x59/0x250 [ 25.024103][ T1827] alloc_buf.isra.0+0x4b/0x260 [ 25.024107][ T1827] put_chars+0x1e1/0x2f0 [ 25.024109][ T1827] ? __send_to_port+0x420/0x420 [ 25.024115][ T1827] hvc_console_print+0x292/0x780 [ 25.024122][ T1827] ? hvc_write+0x3a0/0x3a0 [ 25.024126][ T1827] ? lock_acquire+0x13c/0x160 [ 25.024130][ T1827] console_emit_next_record+0x22f/0x4c0 [ 25.024134][ T1827] ? devkmsg_read+0x4b0/0x4b0 [ 25.024136][ T1827] ? console_flush_one_record+0x106/0x710 [ 25.024139][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024141][ T1827] ? lock_acquire+0x13c/0x160 [ 25.024145][ T1827] console_flush_one_record+0x46f/0x710 [ 25.024149][ T1827] ? console_emit_next_record+0x4c0/0x4c0 [ 25.024151][ T1827] ? __lock_acquire+0x518/0xc20 [ 25.024157][ T1827] console_unlock+0xee/0x1f0 [ 25.024159][ T1827] ? console_flush_one_record+0x710/0x710 [ 25.024161][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024163][ T1827] ? lock_acquire+0xe0/0x160 [ 25.024166][ T1827] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.024168][ T1827] ? vprintk_emit+0x320/0x3e0 [ 25.024171][ T1827] vprintk_emit+0x37c/0x3e0 [ 25.024174][ T1827] ? wake_up_klogd_work_func+0x90/0x90 [ 25.024175][ T1827] ? mark_held_locks+0x40/0x70 [ 25.024178][ T1827] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.024179][ T1827] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.024184][ T1827] _printk+0xc7/0x100 [ 25.024187][ T1827] ? snapshot_read.cold+0x21/0x21 [ 25.024195][ T1827] br_set_state+0x22f/0x430 [ 25.024199][ T1827] br_stp_disable_port+0x11f/0x390 [ 25.024202][ T1827] br_device_event+0x7b5/0x8f0 [ 25.024204][ T1827] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 25.024208][ T1827] ? packet_sendmsg_spkt+0x1360/0x1360 [ 25.024213][ T1827] notifier_call_chain+0xae/0x300 [ 25.024219][ T1827] __dev_notify_flags+0x23c/0x450 [ 25.024224][ T1827] ? netif_change_name+0x8c0/0x8c0 [ 25.024227][ T1827] ? netif_set_allmulti+0x2c0/0x2c0 [ 25.024231][ T1827] ? __kernel_text_address+0x12/0x30 [ 25.024233][ T1827] ? write_profile+0xf0/0xf0 [ 25.024237][ T1827] netif_change_flags+0xfe/0x190 [ 25.024241][ T1827] do_setlink.isra.0+0x1d25/0x2a60 [ 25.024244][ T1827] ? stack_trace_save+0x93/0xc0 [ 25.024246][ T1827] ? rtnl_link_get_size+0x350/0x350 [ 25.024248][ T1827] ? rcu_read_lock_any_held+0x66/0x90 [ 25.024250][ T1827] ? stack_depot_save_flags+0x38e/0x790 [ 25.024253][ T1827] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.024255][ T1827] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.024256][ T1827] ? validate_chain+0x38b/0xc20 [ 25.024259][ T1827] ? kasan_save_stack+0x3d/0x50 [ 25.024261][ T1827] ? kasan_save_stack+0x2f/0x50 [ 25.024262][ T1827] ? kasan_save_track+0x14/0x30 [ 25.024263][ T1827] ? __kasan_kmalloc+0x7b/0x90 [ 25.024266][ T1827] ? __lock_acquire+0x518/0xc20 [ 25.024267][ T1827] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 25.024270][ T1827] ? ___sys_sendmsg+0xd0/0x1d0 [ 25.024274][ T1827] ? lock_acquire.part.0+0xd4/0x280 [ 25.024276][ T1827] ? rtnl_newlink+0x9a8/0x11b0 [ 25.024278][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024280][ T1827] ? lock_acquire+0x13c/0x160 [ 25.024282][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024283][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024284][ T1827] ? trace_contention_end+0xb3/0x180 [ 25.024287][ T1827] ? __mutex_lock+0x1db/0x1ea0 [ 25.024288][ T1827] ? __mutex_lock+0x9a3/0x1ea0 [ 25.024290][ T1827] ? rtnl_newlink+0x9a8/0x11b0 [ 25.024293][ T1827] ? ww_mutex_lock+0x160/0x160 [ 25.024297][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024299][ T1827] ? __rtnl_newlink+0x3fa/0xa50 [ 25.024304][ T1827] rtnl_newlink+0x9f1/0x11b0 [ 25.024309][ T1827] ? rtnl_bridge_getlink+0x850/0x850 [ 25.024311][ T1827] ? __lock_acquire+0x518/0xc20 [ 25.024316][ T1827] ? lock_acquire.part.0+0xd4/0x280 [ 25.024318][ T1827] ? find_held_lock+0x2b/0x80 [ 25.024320][ T1827] ? rtnl_bridge_getlink+0x850/0x850 [ 25.024321][ T1827] ? __lock_release.isra.0+0x69/0x1a0 [ 25.024325][ T1827] ? rtnl_bridge_getlink+0x850/0x850 [ 25.024327][ T1827] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 25.024330][ T1827] ? rtnl_link_fill+0x920/0x920 [ 25.024332][ T1827] ? __lock_acquire+0x518/0xc20 [ 25.024336][ T1827] ? lock_acquire.part.0+0xd4/0x280 [ 25.024338][ T1827] ? find_held_lock+0x2b/0x80 [ 25.024341][ T1827] netlink_rcv_skb+0x14e/0x3a0 [ 25.024344][ T1827] ? rtnl_link_fill+0x920/0x920 [ 25.024347][ T1827] ? netlink_ack+0xcf0/0xcf0 [ 25.024354][ T1827] ? netlink_deliver_tap+0xc5/0x330 [ 25.024356][ T1827] ? netlink_deliver_tap+0x13c/0x330 [ 25.024360][ T1827] netlink_unicast+0x486/0x750 [ 25.024364][ T1827] ? netlink_attachskb+0x810/0x810 [ 25.024366][ T1827] ? find_held_lock+0x2b/0x80 [ 25.024371][ T1827] netlink_sendmsg+0x75b/0xc90 [ 25.024375][ T1827] ? netlink_unicast+0x750/0x750 [ 25.024378][ T1827] ? __lock_release.isra.0+0x69/0x1a0 [ 25.024380][ T1827] ? __import_iovec+0x36c/0x620 [ 25.024385][ T1827] __sock_sendmsg+0xce/0x190 [ 25.024388][ T1827] ____sys_sendmsg+0x61a/0x860 [ 25.024390][ T1827] ? copy_msghdr_from_user+0x279/0x420 [ 25.024392][ T1827] ? sock_write_iter+0x400/0x400 [ 25.024393][ T1827] ? move_addr_to_kernel+0x40/0x40 [ 25.024401][ T1827] ___sys_sendmsg+0x14e/0x1d0 [ 25.024403][ T1827] ? copy_msghdr_from_user+0x420/0x420 [ 25.024419][ T1827] __sys_sendmsg+0x12c/0x1d0 [ 25.024422][ T1827] ? __sys_sendmsg_sock+0x20/0x20 [ 25.024428][ T1827] ? rcu_is_watching+0x16/0xd0 [ 25.024431][ T1827] do_syscall_64+0xff/0x530 [ 25.024434][ T1827] ? exc_page_fault+0xee/0x100 [ 25.024437][ T1827] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.024439][ T1827] RIP: 0033:0x7f84f802654e [ 25.024441][ T1827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 25.024443][ T1827] RSP: 002b:00007ffc7c22f200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.024445][ T1827] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f84f802654e [ 25.024447][ T1827] RDX: 0000000000000000 RSI: 00007ffc7c22f2b0 RDI: 0000000000000005 [ 25.024448][ T1827] RBP: 00007ffc7c22f210 R08: 0000000000000000 R09: 0000000000000000 [ 25.024448][ T1827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144c3 [ 25.024449][ T1827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7c22f970 [ 25.024456][ T1827] [ 25.369278][ T37] br: port 1(d1) entered blocking state [ 25.369665][ T37] br: port 1(d1) entered forwarding state [ 25.451417][ T1873] br: port 2(d2) entered disabled state [ 25.735013][ T1911] br: port 2(d2) entered blocking state [ 25.735289][ T1911] br: port 2(d2) entered forwarding state [ 25.826712][ T1919] br: port 1(d1) entered disabled state [ 25.906004][ T1927] br: port 2(d2) entered disabled state [ 26.207776][ T1965] br: port 2(d2) entered blocking state [ 26.207793][ T1965] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.207795][ T1965] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1965, name: ip [ 26.207796][ T1965] preempt_count: 202, expected: 0 [ 26.207797][ T1965] RCU nest depth: 0, expected: 0 [ 26.207798][ T1965] locks held by ip/1965: 6, last CPU#0: [ 26.207800][ T1965] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.207812][ T1965] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 26.207818][ T1965] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.207823][ T1965] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.207827][ T1965] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.207830][ T1965] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.207834][ T1965] irq event stamp: 25497 [ 26.207835][ T1965] hardirqs last enabled at (25496): [] __down_trylock_console_sem+0x86/0xa0 [ 26.207839][ T1965] hardirqs last disabled at (25497): [] console_emit_next_record+0x3d4/0x4c0 [ 26.207841][ T1965] softirqs last enabled at (25458): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 26.207843][ T1965] softirqs last disabled at (25492): [] br_device_event+0x5fd/0x8f0 [ 26.207846][ T1965] Preemption disabled at: [ 26.207846][ T1965] [<0000000000000000>] 0x0 [ 26.207852][ T1965] CPU: 0 UID: 0 PID: 1965 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.207856][ T1965] Tainted: [W]=WARN [ 26.207857][ T1965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.207858][ T1965] Call Trace: [ 26.207860][ T1965] [ 26.207861][ T1965] dump_stack_lvl+0x6f/0xa0 [ 26.207868][ T1965] __might_resched.cold+0x1fe/0x2c1 [ 26.207872][ T1965] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.207876][ T1965] ? __kmalloc_noprof+0xdb/0x760 [ 26.207881][ T1965] __kmalloc_noprof+0x443/0x760 [ 26.207882][ T1965] ? alloc_buf.isra.0+0x4b/0x260 [ 26.207889][ T1965] ? do_raw_spin_unlock+0x59/0x250 [ 26.207891][ T1965] alloc_buf.isra.0+0x4b/0x260 [ 26.207895][ T1965] put_chars+0x1e1/0x2f0 [ 26.207897][ T1965] ? __send_to_port+0x420/0x420 [ 26.207899][ T1965] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.207902][ T1965] ? validate_chain+0x38b/0xc20 [ 26.207908][ T1965] hvc_console_print+0x292/0x780 [ 26.207915][ T1965] ? hvc_write+0x3a0/0x3a0 [ 26.207918][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.207920][ T1965] ? lock_acquire+0x13c/0x160 [ 26.207924][ T1965] console_emit_next_record+0x22f/0x4c0 [ 26.207928][ T1965] ? devkmsg_read+0x4b0/0x4b0 [ 26.207930][ T1965] ? console_flush_one_record+0x106/0x710 [ 26.207933][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.207934][ T1965] ? lock_acquire+0x13c/0x160 [ 26.207938][ T1965] console_flush_one_record+0x46f/0x710 [ 26.207942][ T1965] ? console_emit_next_record+0x4c0/0x4c0 [ 26.207944][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.207950][ T1965] console_unlock+0xee/0x1f0 [ 26.207952][ T1965] ? console_flush_one_record+0x710/0x710 [ 26.207954][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.207956][ T1965] ? lock_acquire+0xe0/0x160 [ 26.207960][ T1965] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.207961][ T1965] ? vprintk_emit+0x320/0x3e0 [ 26.207964][ T1965] vprintk_emit+0x37c/0x3e0 [ 26.207967][ T1965] ? wake_up_klogd_work_func+0x90/0x90 [ 26.207969][ T1965] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.207971][ T1965] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.207975][ T1965] _printk+0xc7/0x100 [ 26.207979][ T1965] ? snapshot_read.cold+0x21/0x21 [ 26.207984][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.207988][ T1965] br_set_state+0x22f/0x430 [ 26.207992][ T1965] br_init_port+0xc4/0x200 [ 26.207995][ T1965] br_stp_enable_port+0x12/0x50 [ 26.207997][ T1965] br_device_event+0x605/0x8f0 [ 26.208000][ T1965] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.208001][ T1965] ? nlmsg_notify+0x62/0x250 [ 26.208008][ T1965] notifier_call_chain+0xae/0x300 [ 26.208013][ T1965] __dev_notify_flags+0x1b7/0x450 [ 26.208018][ T1965] ? netif_change_name+0x8c0/0x8c0 [ 26.208022][ T1965] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.208025][ T1965] ? kernel_text_address+0x149/0x170 [ 26.208028][ T1965] ? __kernel_text_address+0x12/0x30 [ 26.208029][ T1965] ? write_profile+0xf0/0xf0 [ 26.208034][ T1965] netif_change_flags+0xfe/0x190 [ 26.208038][ T1965] do_setlink.isra.0+0x1d25/0x2a60 [ 26.208041][ T1965] ? stack_trace_save+0x93/0xc0 [ 26.208043][ T1965] ? rtnl_link_get_size+0x350/0x350 [ 26.208044][ T1965] ? rcu_read_lock_any_held+0x66/0x90 [ 26.208046][ T1965] ? stack_depot_save_flags+0x38e/0x790 [ 26.208050][ T1965] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.208051][ T1965] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.208053][ T1965] ? validate_chain+0x38b/0xc20 [ 26.208056][ T1965] ? kasan_save_stack+0x3d/0x50 [ 26.208058][ T1965] ? kasan_save_stack+0x2f/0x50 [ 26.208059][ T1965] ? kasan_save_track+0x14/0x30 [ 26.208060][ T1965] ? __kasan_kmalloc+0x7b/0x90 [ 26.208063][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.208065][ T1965] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 26.208067][ T1965] ? ___sys_sendmsg+0xd0/0x1d0 [ 26.208071][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.208073][ T1965] ? rtnl_newlink+0x9a8/0x11b0 [ 26.208076][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.208078][ T1965] ? lock_acquire+0x13c/0x160 [ 26.208079][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.208080][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.208082][ T1965] ? trace_contention_end+0xb3/0x180 [ 26.208084][ T1965] ? __mutex_lock+0x1db/0x1ea0 [ 26.208087][ T1965] ? __mutex_lock+0x9a3/0x1ea0 [ 26.208089][ T1965] ? rtnl_newlink+0x9a8/0x11b0 [ 26.208092][ T1965] ? ww_mutex_lock+0x160/0x160 [ 26.208096][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.208098][ T1965] ? __rtnl_newlink+0x3fa/0xa50 [ 26.208103][ T1965] rtnl_newlink+0x9f1/0x11b0 [ 26.208108][ T1965] ? rtnl_bridge_getlink+0x850/0x850 [ 26.208110][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.208115][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.208117][ T1965] ? find_held_lock+0x2b/0x80 [ 26.208119][ T1965] ? rtnl_bridge_getlink+0x850/0x850 [ 26.208121][ T1965] ? __lock_release.isra.0+0x69/0x1a0 [ 26.208124][ T1965] ? rtnl_bridge_getlink+0x850/0x850 [ 26.208126][ T1965] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.208130][ T1965] ? rtnl_link_fill+0x920/0x920 [ 26.208131][ T1965] ? __lock_acquire+0x518/0xc20 [ 26.208135][ T1965] ? lock_acquire.part.0+0xd4/0x280 [ 26.208137][ T1965] ? find_held_lock+0x2b/0x80 [ 26.208141][ T1965] netlink_rcv_skb+0x14e/0x3a0 [ 26.208142][ T1965] ? rtnl_link_fill+0x920/0x920 [ 26.208145][ T1965] ? netlink_ack+0xcf0/0xcf0 [ 26.208152][ T1965] ? netlink_deliver_tap+0xc5/0x330 [ 26.208154][ T1965] ? netlink_deliver_tap+0x13c/0x330 [ 26.208158][ T1965] netlink_unicast+0x486/0x750 [ 26.208162][ T1965] ? netlink_attachskb+0x810/0x810 [ 26.208165][ T1965] ? find_held_lock+0x2b/0x80 [ 26.208169][ T1965] netlink_sendmsg+0x75b/0xc90 [ 26.208173][ T1965] ? netlink_unicast+0x750/0x750 [ 26.208177][ T1965] ? __lock_release.isra.0+0x69/0x1a0 [ 26.208178][ T1965] ? __import_iovec+0x36c/0x620 [ 26.208183][ T1965] __sock_sendmsg+0xce/0x190 [ 26.208186][ T1965] ____sys_sendmsg+0x61a/0x860 [ 26.208188][ T1965] ? copy_msghdr_from_user+0x279/0x420 [ 26.208191][ T1965] ? sock_write_iter+0x400/0x400 [ 26.208192][ T1965] ? move_addr_to_kernel+0x40/0x40 [ 26.208200][ T1965] ___sys_sendmsg+0x14e/0x1d0 [ 26.208203][ T1965] ? copy_msghdr_from_user+0x420/0x420 [ 26.208219][ T1965] __sys_sendmsg+0x12c/0x1d0 [ 26.208222][ T1965] ? __sys_sendmsg_sock+0x20/0x20 [ 26.208228][ T1965] ? rcu_is_watching+0x16/0xd0 [ 26.208231][ T1965] do_syscall_64+0xff/0x530 [ 26.208234][ T1965] ? exc_page_fault+0xee/0x100 [ 26.208237][ T1965] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.208239][ T1965] RIP: 0033:0x7f286af9754e [ 26.208241][ T1965] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 26.208243][ T1965] RSP: 002b:00007ffc810c6fe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.208245][ T1965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f286af9754e [ 26.208247][ T1965] RDX: 0000000000000000 RSI: 00007ffc810c7090 RDI: 0000000000000005 [ 26.208247][ T1965] RBP: 00007ffc810c6ff0 R08: 0000000000000000 R09: 0000000000000000 [ 26.208248][ T1965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144c4 [ 26.208249][ T1965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc810c7750 [ 26.208256][ T1965] [ 26.247816][ T1965] br: port 2(d2) entered forwarding state [ 26.286758][ T1967] br: port 1(d1) entered blocking state [ 26.286999][ T1967] br: port 1(d1) entered forwarding state [ 26.360231][ T1975] br: port 1(d1) entered disabled state [ 26.439697][ T1983] br: port 2(d2) entered disabled state [ 26.510453][ T1991] br: port 3(d3) entered disabled state [ 27.671166][ T69] br: port 3(d3) entered blocking state [ 27.671184][ T69] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.671186][ T69] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 69, name: kworker/u20:1 [ 27.671187][ T69] preempt_count: 202, expected: 0 [ 27.671188][ T69] RCU nest depth: 0, expected: 0 [ 27.671189][ T69] locks held by kworker/u20:1/69: 8, last CPU#3: [ 27.671191][ T69] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 27.671203][ T69] #1: ffa00000004a7d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 27.671207][ T69] #2: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 27.671212][ T69] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 27.671218][ T69] #4: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.671222][ T69] #5: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.671226][ T69] #6: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.671229][ T69] #7: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 27.671233][ T69] irq event stamp: 197617 [ 27.671234][ T69] hardirqs last enabled at (197616): [] __down_trylock_console_sem+0x86/0xa0 [ 27.671237][ T69] hardirqs last disabled at (197617): [] console_emit_next_record+0x3d4/0x4c0 [ 27.671239][ T69] softirqs last enabled at (197578): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 27.671242][ T69] softirqs last disabled at (197612): [] br_port_carrier_check+0x161/0x430 [ 27.671244][ T69] Preemption disabled at: [ 27.671245][ T69] [<0000000000000000>] 0x0 [ 27.671251][ T69] CPU: 3 UID: 0 PID: 69 Comm: kworker/u20:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.671255][ T69] Tainted: [W]=WARN [ 27.671256][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.671257][ T69] Workqueue: events_unbound linkwatch_event [ 27.671260][ T69] Call Trace: [ 27.671262][ T69] [ 27.671264][ T69] dump_stack_lvl+0x6f/0xa0 [ 27.671270][ T69] __might_resched.cold+0x1fe/0x2c1 [ 27.671275][ T69] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.671279][ T69] ? __kmalloc_noprof+0xdb/0x760 [ 27.671283][ T69] __kmalloc_noprof+0x443/0x760 [ 27.671285][ T69] ? alloc_buf.isra.0+0x4b/0x260 [ 27.671291][ T69] ? do_raw_spin_unlock+0x59/0x250 [ 27.671294][ T69] alloc_buf.isra.0+0x4b/0x260 [ 27.671298][ T69] put_chars+0x1e1/0x2f0 [ 27.671300][ T69] ? __send_to_port+0x420/0x420 [ 27.671303][ T69] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.671306][ T69] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.671309][ T69] ? validate_chain+0x38b/0xc20 [ 27.671313][ T69] hvc_console_print+0x292/0x780 [ 27.671317][ T69] ? mark_usage+0x61/0x170 [ 27.671319][ T69] ? __lock_acquire+0x518/0xc20 [ 27.671320][ T69] ? __lock_acquire+0x518/0xc20 [ 27.671325][ T69] ? hvc_write+0x3a0/0x3a0 [ 27.671326][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 27.671331][ T69] ? lock_acquire+0x13c/0x160 [ 27.671335][ T69] console_emit_next_record+0x22f/0x4c0 [ 27.671339][ T69] ? devkmsg_read+0x4b0/0x4b0 [ 27.671341][ T69] ? console_flush_one_record+0x106/0x710 [ 27.671344][ T69] ? rcu_is_watching+0x16/0xd0 [ 27.671346][ T69] ? lock_acquire+0x13c/0x160 [ 27.671350][ T69] console_flush_one_record+0x46f/0x710 [ 27.671354][ T69] ? console_emit_next_record+0x4c0/0x4c0 [ 27.671356][ T69] ? __lock_acquire+0x518/0xc20 [ 27.671361][ T69] console_unlock+0xee/0x1f0 [ 27.671364][ T69] ? console_flush_one_record+0x710/0x710 [ 27.671366][ T69] ? rcu_is_watching+0x16/0xd0 [ 27.671368][ T69] ? lock_acquire+0xe0/0x160 [ 27.671371][ T69] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.671373][ T69] ? vprintk_emit+0x320/0x3e0 [ 27.671376][ T69] vprintk_emit+0x37c/0x3e0 [ 27.671379][ T69] ? wake_up_klogd_work_func+0x90/0x90 [ 27.671381][ T69] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.671383][ T69] ? rcu_read_lock_any_held+0x3c/0x90 [ 27.671387][ T69] _printk+0xc7/0x100 [ 27.671390][ T69] ? snapshot_read.cold+0x21/0x21 [ 27.671396][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 27.671399][ T69] br_set_state+0x22f/0x430 [ 27.671404][ T69] br_init_port+0xc4/0x200 [ 27.671406][ T69] br_stp_enable_port+0x12/0x50 [ 27.671408][ T69] br_port_carrier_check+0x220/0x430 [ 27.671412][ T69] br_device_event+0x52d/0x8f0 [ 27.671415][ T69] ? packet_sendmsg_spkt+0x1360/0x1360 [ 27.671417][ T69] ? nlmsg_notify+0x62/0x250 [ 27.671423][ T69] notifier_call_chain+0xae/0x300 [ 27.671429][ T69] netif_state_change+0x139/0x3d0 [ 27.671434][ T69] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 27.671439][ T69] ? linkwatch_do_dev+0xae/0xd0 [ 27.671441][ T69] __linkwatch_run_queue+0x350/0x850 [ 27.671444][ T69] ? linkwatch_do_dev+0xd0/0xd0 [ 27.671446][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 27.671451][ T69] linkwatch_event+0x7f/0xb0 [ 27.671453][ T69] ? __linkwatch_run_queue+0x850/0x850 [ 27.671456][ T69] process_one_work+0xe3e/0x1560 [ 27.671463][ T69] ? __queue_delayed_work+0x470/0x470 [ 27.671466][ T69] ? lock_acquire.part.0+0xd4/0x280 [ 27.671473][ T69] worker_thread+0x4f1/0xd60 [ 27.671480][ T69] ? rescuer_thread+0x1340/0x1340 [ 27.671482][ T69] kthread+0x367/0x460 [ 27.671485][ T69] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.671488][ T69] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.671491][ T69] ret_from_fork+0x474/0x6b0 [ 27.671495][ T69] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 27.671498][ T69] ? __switch_to+0x5a3/0xe00 [ 27.671502][ T69] ? kthread_affine_preferred+0x4c0/0x4c0 [ 27.671504][ T69] ret_from_fork_asm+0x11/0x20 [ 27.671513][ T69] [ 27.700254][ T69] br: port 3(d3) entered forwarding state [ 27.704889][ T203] br: port 2(d2) entered blocking state [ 27.705097][ T203] br: port 2(d2) entered forwarding state [ 27.732894][ T203] br: port 1(d1) entered blocking state [ 27.733114][ T203] br: port 1(d1) entered forwarding state [ 28.376508][ T2180] br: port 1(d1) entered disabled state [ 28.889869][ T203] br: port 1(d1) entered blocking state [ 28.889888][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.889890][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: kworker/u17:2 [ 28.889891][ T203] preempt_count: 202, expected: 0 [ 28.889892][ T203] RCU nest depth: 0, expected: 0 [ 28.889893][ T203] locks held by kworker/u17:2/203: 8, last CPU#0: [ 28.889895][ T203] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 28.889908][ T203] #1: ffa0000001987d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 28.889912][ T203] #2: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 28.889918][ T203] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 28.889923][ T203] #4: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.889927][ T203] #5: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.889931][ T203] #6: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.889935][ T203] #7: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.889938][ T203] irq event stamp: 318019 [ 28.889939][ T203] hardirqs last enabled at (318018): [] __down_trylock_console_sem+0x86/0xa0 [ 28.889943][ T203] hardirqs last disabled at (318019): [] console_emit_next_record+0x3d4/0x4c0 [ 28.889945][ T203] softirqs last enabled at (317980): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 28.889948][ T203] softirqs last disabled at (318014): [] br_port_carrier_check+0x161/0x430 [ 28.889950][ T203] Preemption disabled at: [ 28.889951][ T203] [<0000000000000000>] 0x0 [ 28.889958][ T203] CPU: 0 UID: 0 PID: 203 Comm: kworker/u17:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.889961][ T203] Tainted: [W]=WARN [ 28.889962][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.889964][ T203] Workqueue: events_unbound linkwatch_event [ 28.889967][ T203] Call Trace: [ 28.889968][ T203] [ 28.889970][ T203] dump_stack_lvl+0x6f/0xa0 [ 28.889976][ T203] __might_resched.cold+0x1fe/0x2c1 [ 28.889981][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.889985][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 28.889989][ T203] __kmalloc_noprof+0x443/0x760 [ 28.889991][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 28.889998][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 28.890001][ T203] alloc_buf.isra.0+0x4b/0x260 [ 28.890004][ T203] put_chars+0x1e1/0x2f0 [ 28.890007][ T203] ? __send_to_port+0x420/0x420 [ 28.890009][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.890012][ T203] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.890015][ T203] ? validate_chain+0x38b/0xc20 [ 28.890019][ T203] hvc_console_print+0x292/0x780 [ 28.890023][ T203] ? mark_usage+0x61/0x170 [ 28.890025][ T203] ? __lock_acquire+0x518/0xc20 [ 28.890027][ T203] ? __lock_acquire+0x518/0xc20 [ 28.890031][ T203] ? hvc_write+0x3a0/0x3a0 [ 28.890033][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 28.890037][ T203] ? lock_acquire+0x13c/0x160 [ 28.890041][ T203] console_emit_next_record+0x22f/0x4c0 [ 28.890045][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 28.890047][ T203] ? console_flush_one_record+0x106/0x710 [ 28.890050][ T203] ? rcu_is_watching+0x16/0xd0 [ 28.890052][ T203] ? lock_acquire+0x13c/0x160 [ 28.890056][ T203] console_flush_one_record+0x46f/0x710 [ 28.890061][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 28.890062][ T203] ? __lock_acquire+0x518/0xc20 [ 28.890068][ T203] console_unlock+0xee/0x1f0 [ 28.890071][ T203] ? console_flush_one_record+0x710/0x710 [ 28.890072][ T203] ? rcu_is_watching+0x16/0xd0 [ 28.890074][ T203] ? lock_acquire+0xe0/0x160 [ 28.890078][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.890080][ T203] ? vprintk_emit+0x320/0x3e0 [ 28.890083][ T203] vprintk_emit+0x37c/0x3e0 [ 28.890086][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 28.890088][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.890090][ T203] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.890093][ T203] _printk+0xc7/0x100 [ 28.890097][ T203] ? snapshot_read.cold+0x21/0x21 [ 28.890102][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 28.890106][ T203] br_set_state+0x22f/0x430 [ 28.890110][ T203] br_init_port+0xc4/0x200 [ 28.890113][ T203] br_stp_enable_port+0x12/0x50 [ 28.890115][ T203] br_port_carrier_check+0x220/0x430 [ 28.890119][ T203] br_device_event+0x52d/0x8f0 [ 28.890122][ T203] ? packet_sendmsg_spkt+0x1360/0x1360 [ 28.890124][ T203] ? nlmsg_notify+0x62/0x250 [ 28.890132][ T203] notifier_call_chain+0xae/0x300 [ 28.890137][ T203] netif_state_change+0x139/0x3d0 [ 28.890142][ T203] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 28.890147][ T203] ? linkwatch_do_dev+0xae/0xd0 [ 28.890149][ T203] __linkwatch_run_queue+0x350/0x850 [ 28.890152][ T203] ? linkwatch_do_dev+0xd0/0xd0 [ 28.890154][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 28.890159][ T203] linkwatch_event+0x7f/0xb0 [ 28.890161][ T203] ? __linkwatch_run_queue+0x850/0x850 [ 28.890164][ T203] process_one_work+0xe3e/0x1560 [ 28.890171][ T203] ? __queue_delayed_work+0x470/0x470 [ 28.890174][ T203] ? lock_acquire.part.0+0xd4/0x280 [ 28.890181][ T203] worker_thread+0x4f1/0xd60 [ 28.890185][ T203] ? rescuer_thread+0x1340/0x1340 [ 28.890187][ T203] ? __kthread_parkme+0xbd/0x210 [ 28.890190][ T203] ? rescuer_thread+0x1340/0x1340 [ 28.890193][ T203] ? rescuer_thread+0x1340/0x1340 [ 28.890195][ T203] kthread+0x367/0x460 [ 28.890197][ T203] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.890201][ T203] ? kthread_affine_preferred+0x4c0/0x4c0 [ 28.890203][ T203] ret_from_fork+0x474/0x6b0 [ 28.890207][ T203] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 28.890211][ T203] ? __switch_to+0x5a3/0xe00 [ 28.890214][ T203] ? kthread_affine_preferred+0x4c0/0x4c0 [ 28.890217][ T203] ret_from_fork_asm+0x11/0x20 [ 28.890226][ T203] [ 28.920589][ T203] br: port 1(d1) entered forwarding state [ 28.982690][ T2239] br: port 2(d2) entered disabled state [ 29.506052][ T203] br: port 2(d2) entered blocking state [ 29.506306][ T203] br: port 2(d2) entered forwarding state [ 29.590749][ T2298] br: port 1(d1) entered disabled state [ 29.662418][ T2306] br: port 2(d2) entered disabled state [ 30.196389][ T2357] br: port 2(d2) entered blocking state [ 30.196408][ T2357] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 30.196410][ T2357] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2357, name: ip [ 30.196412][ T2357] preempt_count: 202, expected: 0 [ 30.196413][ T2357] RCU nest depth: 0, expected: 0 [ 30.196414][ T2357] locks held by ip/2357: 6, last CPU#0: [ 30.196416][ T2357] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 30.196428][ T2357] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 30.196433][ T2357] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 30.196438][ T2357] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 30.196442][ T2357] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 30.196446][ T2357] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 30.196450][ T2357] irq event stamp: 18805 [ 30.196451][ T2357] hardirqs last enabled at (18804): [] __down_trylock_console_sem+0x86/0xa0 [ 30.196454][ T2357] hardirqs last disabled at (18805): [] console_emit_next_record+0x3d4/0x4c0 [ 30.196456][ T2357] softirqs last enabled at (18766): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 30.196459][ T2357] softirqs last disabled at (18800): [] br_device_event+0x5fd/0x8f0 [ 30.196461][ T2357] Preemption disabled at: [ 30.196462][ T2357] [<0000000000000000>] 0x0 [ 30.196469][ T2357] CPU: 0 UID: 0 PID: 2357 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 30.196472][ T2357] Tainted: [W]=WARN [ 30.196474][ T2357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.196475][ T2357] Call Trace: [ 30.196477][ T2357] [ 30.196479][ T2357] dump_stack_lvl+0x6f/0xa0 [ 30.196485][ T2357] __might_resched.cold+0x1fe/0x2c1 [ 30.196490][ T2357] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 30.196494][ T2357] ? __kmalloc_noprof+0xdb/0x760 [ 30.196498][ T2357] __kmalloc_noprof+0x443/0x760 [ 30.196500][ T2357] ? alloc_buf.isra.0+0x4b/0x260 [ 30.196507][ T2357] ? do_raw_spin_unlock+0x59/0x250 [ 30.196510][ T2357] alloc_buf.isra.0+0x4b/0x260 [ 30.196513][ T2357] put_chars+0x1e1/0x2f0 [ 30.196516][ T2357] ? __send_to_port+0x420/0x420 [ 30.196519][ T2357] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.196523][ T2357] ? validate_chain+0x38b/0xc20 [ 30.196528][ T2357] hvc_console_print+0x292/0x780 [ 30.196536][ T2357] ? hvc_write+0x3a0/0x3a0 [ 30.196539][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196541][ T2357] ? lock_acquire+0x13c/0x160 [ 30.196545][ T2357] console_emit_next_record+0x22f/0x4c0 [ 30.196549][ T2357] ? devkmsg_read+0x4b0/0x4b0 [ 30.196551][ T2357] ? console_flush_one_record+0x106/0x710 [ 30.196554][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196555][ T2357] ? lock_acquire+0x13c/0x160 [ 30.196559][ T2357] console_flush_one_record+0x46f/0x710 [ 30.196563][ T2357] ? console_emit_next_record+0x4c0/0x4c0 [ 30.196565][ T2357] ? __lock_acquire+0x518/0xc20 [ 30.196571][ T2357] console_unlock+0xee/0x1f0 [ 30.196573][ T2357] ? console_flush_one_record+0x710/0x710 [ 30.196575][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196577][ T2357] ? lock_acquire+0xe0/0x160 [ 30.196581][ T2357] ? __down_trylock_console_sem+0x5e/0xa0 [ 30.196582][ T2357] ? vprintk_emit+0x320/0x3e0 [ 30.196585][ T2357] vprintk_emit+0x37c/0x3e0 [ 30.196588][ T2357] ? wake_up_klogd_work_func+0x90/0x90 [ 30.196590][ T2357] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.196592][ T2357] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.196597][ T2357] _printk+0xc7/0x100 [ 30.196601][ T2357] ? snapshot_read.cold+0x21/0x21 [ 30.196606][ T2357] ? lock_acquire.part.0+0xd4/0x280 [ 30.196609][ T2357] br_set_state+0x22f/0x430 [ 30.196614][ T2357] br_init_port+0xc4/0x200 [ 30.196616][ T2357] br_stp_enable_port+0x12/0x50 [ 30.196618][ T2357] br_device_event+0x605/0x8f0 [ 30.196621][ T2357] ? packet_sendmsg_spkt+0x1360/0x1360 [ 30.196623][ T2357] ? nlmsg_notify+0x62/0x250 [ 30.196630][ T2357] notifier_call_chain+0xae/0x300 [ 30.196635][ T2357] __dev_notify_flags+0x1b7/0x450 [ 30.196640][ T2357] ? netif_change_name+0x8c0/0x8c0 [ 30.196648][ T2357] ? netif_set_allmulti+0x2c0/0x2c0 [ 30.196651][ T2357] ? kernel_text_address+0x149/0x170 [ 30.196654][ T2357] ? __kernel_text_address+0x12/0x30 [ 30.196655][ T2357] ? write_profile+0xf0/0xf0 [ 30.196660][ T2357] netif_change_flags+0xfe/0x190 [ 30.196664][ T2357] do_setlink.isra.0+0x1d25/0x2a60 [ 30.196667][ T2357] ? stack_trace_save+0x93/0xc0 [ 30.196669][ T2357] ? rtnl_link_get_size+0x350/0x350 [ 30.196671][ T2357] ? rcu_read_lock_any_held+0x66/0x90 [ 30.196673][ T2357] ? stack_depot_save_flags+0x38e/0x790 [ 30.196676][ T2357] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 30.196678][ T2357] ? rcu_read_lock_any_held+0x3c/0x90 [ 30.196680][ T2357] ? validate_chain+0x38b/0xc20 [ 30.196682][ T2357] ? kasan_save_stack+0x3d/0x50 [ 30.196685][ T2357] ? kasan_save_stack+0x2f/0x50 [ 30.196686][ T2357] ? kasan_save_track+0x14/0x30 [ 30.196687][ T2357] ? __kasan_kmalloc+0x7b/0x90 [ 30.196689][ T2357] ? __lock_acquire+0x518/0xc20 [ 30.196691][ T2357] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 30.196694][ T2357] ? ___sys_sendmsg+0xd0/0x1d0 [ 30.196698][ T2357] ? lock_acquire.part.0+0xd4/0x280 [ 30.196700][ T2357] ? rtnl_newlink+0x9a8/0x11b0 [ 30.196703][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196704][ T2357] ? lock_acquire+0x13c/0x160 [ 30.196706][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196707][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196709][ T2357] ? trace_contention_end+0xb3/0x180 [ 30.196711][ T2357] ? __mutex_lock+0x1db/0x1ea0 [ 30.196714][ T2357] ? __mutex_lock+0x9a3/0x1ea0 [ 30.196716][ T2357] ? rtnl_newlink+0x9a8/0x11b0 [ 30.196719][ T2357] ? ww_mutex_lock+0x160/0x160 [ 30.196722][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196725][ T2357] ? __rtnl_newlink+0x3fa/0xa50 [ 30.196730][ T2357] rtnl_newlink+0x9f1/0x11b0 [ 30.196735][ T2357] ? rtnl_bridge_getlink+0x850/0x850 [ 30.196737][ T2357] ? __lock_acquire+0x518/0xc20 [ 30.196741][ T2357] ? lock_acquire.part.0+0xd4/0x280 [ 30.196743][ T2357] ? find_held_lock+0x2b/0x80 [ 30.196745][ T2357] ? rtnl_bridge_getlink+0x850/0x850 [ 30.196747][ T2357] ? __lock_release.isra.0+0x69/0x1a0 [ 30.196751][ T2357] ? rtnl_bridge_getlink+0x850/0x850 [ 30.196753][ T2357] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 30.196756][ T2357] ? rtnl_link_fill+0x920/0x920 [ 30.196757][ T2357] ? __lock_acquire+0x518/0xc20 [ 30.196762][ T2357] ? lock_acquire.part.0+0xd4/0x280 [ 30.196764][ T2357] ? find_held_lock+0x2b/0x80 [ 30.196767][ T2357] netlink_rcv_skb+0x14e/0x3a0 [ 30.196769][ T2357] ? rtnl_link_fill+0x920/0x920 [ 30.196772][ T2357] ? netlink_ack+0xcf0/0xcf0 [ 30.196778][ T2357] ? netlink_deliver_tap+0xc5/0x330 [ 30.196780][ T2357] ? netlink_deliver_tap+0x13c/0x330 [ 30.196785][ T2357] netlink_unicast+0x486/0x750 [ 30.196789][ T2357] ? netlink_attachskb+0x810/0x810 [ 30.196791][ T2357] ? find_held_lock+0x2b/0x80 [ 30.196795][ T2357] netlink_sendmsg+0x75b/0xc90 [ 30.196799][ T2357] ? netlink_unicast+0x750/0x750 [ 30.196803][ T2357] ? __lock_release.isra.0+0x69/0x1a0 [ 30.196805][ T2357] ? __import_iovec+0x36c/0x620 [ 30.196810][ T2357] __sock_sendmsg+0xce/0x190 [ 30.196813][ T2357] ____sys_sendmsg+0x61a/0x860 [ 30.196815][ T2357] ? copy_msghdr_from_user+0x279/0x420 [ 30.196817][ T2357] ? sock_write_iter+0x400/0x400 [ 30.196819][ T2357] ? move_addr_to_kernel+0x40/0x40 [ 30.196826][ T2357] ___sys_sendmsg+0x14e/0x1d0 [ 30.196829][ T2357] ? copy_msghdr_from_user+0x420/0x420 [ 30.196845][ T2357] __sys_sendmsg+0x12c/0x1d0 [ 30.196847][ T2357] ? __sys_sendmsg_sock+0x20/0x20 [ 30.196854][ T2357] ? rcu_is_watching+0x16/0xd0 [ 30.196857][ T2357] do_syscall_64+0xff/0x530 [ 30.196860][ T2357] ? exc_page_fault+0xee/0x100 [ 30.196863][ T2357] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 30.196865][ T2357] RIP: 0033:0x7f128221c54e [ 30.196867][ T2357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 30.196869][ T2357] RSP: 002b:00007fffc28cdf50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.196871][ T2357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f128221c54e [ 30.196873][ T2357] RDX: 0000000000000000 RSI: 00007fffc28ce000 RDI: 0000000000000005 [ 30.196874][ T2357] RBP: 00007fffc28cdf60 R08: 0000000000000000 R09: 0000000000000000 [ 30.196874][ T2357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144c8 [ 30.196875][ T2357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc28ce6c0 [ 30.196882][ T2357] [ 30.235657][ T2357] br: port 2(d2) entered forwarding state [ 30.271045][ T2359] br: port 1(d1) entered blocking state [ 30.271298][ T2359] br: port 1(d1) entered forwarding state [ 30.355459][ T2367] br: port 1(d1) entered disabled state [ 30.427953][ T2375] br: port 2(d2) entered disabled state [ 30.509319][ T2383] br: port 3(d3) entered disabled state [ 31.034815][ T2434] br: port 3(d3) entered blocking state [ 31.035076][ T2434] br: port 3(d3) entered forwarding state [ 31.067277][ T2436] br: port 2(d2) entered blocking state [ 31.067541][ T2436] br: port 2(d2) entered forwarding state [ 31.099772][ T203] br: port 1(d1) entered blocking state [ 31.099994][ T203] br: port 1(d1) entered forwarding state [ 31.766152][ T2491] br: port 1(d1) entered disabled state [ 31.766168][ T2491] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.766170][ T2491] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2491, name: ip [ 31.766172][ T2491] preempt_count: 202, expected: 0 [ 31.766173][ T2491] RCU nest depth: 0, expected: 0 [ 31.766174][ T2491] locks held by ip/2491: 6, last CPU#2: [ 31.766176][ T2491] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 31.766188][ T2491] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 31.766194][ T2491] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.766199][ T2491] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.766203][ T2491] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.766206][ T2491] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 31.766211][ T2491] irq event stamp: 24145 [ 31.766212][ T2491] hardirqs last enabled at (24144): [] __down_trylock_console_sem+0x86/0xa0 [ 31.766215][ T2491] hardirqs last disabled at (24145): [] console_emit_next_record+0x3d4/0x4c0 [ 31.766217][ T2491] softirqs last enabled at (24128): [] ipv6_mc_down+0x134/0x2d0 [ 31.766220][ T2491] softirqs last disabled at (24140): [] br_device_event+0x1d7/0x8f0 [ 31.766222][ T2491] Preemption disabled at: [ 31.766223][ T2491] [<0000000000000000>] 0x0 [ 31.766229][ T2491] CPU: 2 UID: 0 PID: 2491 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.766232][ T2491] Tainted: [W]=WARN [ 31.766233][ T2491] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.766235][ T2491] Call Trace: [ 31.766237][ T2491] [ 31.766238][ T2491] dump_stack_lvl+0x6f/0xa0 [ 31.766244][ T2491] __might_resched.cold+0x1fe/0x2c1 [ 31.766248][ T2491] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.766253][ T2491] ? __kmalloc_noprof+0xdb/0x760 [ 31.766257][ T2491] __kmalloc_noprof+0x443/0x760 [ 31.766259][ T2491] ? alloc_buf.isra.0+0x4b/0x260 [ 31.766266][ T2491] ? do_raw_spin_unlock+0x59/0x250 [ 31.766268][ T2491] alloc_buf.isra.0+0x4b/0x260 [ 31.766272][ T2491] put_chars+0x1e1/0x2f0 [ 31.766274][ T2491] ? __send_to_port+0x420/0x420 [ 31.766281][ T2491] hvc_console_print+0x292/0x780 [ 31.766288][ T2491] ? hvc_write+0x3a0/0x3a0 [ 31.766291][ T2491] ? lock_acquire+0x13c/0x160 [ 31.766296][ T2491] console_emit_next_record+0x22f/0x4c0 [ 31.766300][ T2491] ? devkmsg_read+0x4b0/0x4b0 [ 31.766302][ T2491] ? console_flush_one_record+0x106/0x710 [ 31.766305][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766308][ T2491] ? lock_acquire+0x13c/0x160 [ 31.766311][ T2491] console_flush_one_record+0x46f/0x710 [ 31.766316][ T2491] ? console_emit_next_record+0x4c0/0x4c0 [ 31.766317][ T2491] ? __lock_acquire+0x518/0xc20 [ 31.766323][ T2491] console_unlock+0xee/0x1f0 [ 31.766326][ T2491] ? console_flush_one_record+0x710/0x710 [ 31.766327][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766329][ T2491] ? lock_acquire+0xe0/0x160 [ 31.766333][ T2491] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.766335][ T2491] ? vprintk_emit+0x320/0x3e0 [ 31.766337][ T2491] vprintk_emit+0x37c/0x3e0 [ 31.766340][ T2491] ? wake_up_klogd_work_func+0x90/0x90 [ 31.766341][ T2491] ? mark_held_locks+0x40/0x70 [ 31.766346][ T2491] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.766348][ T2491] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.766353][ T2491] _printk+0xc7/0x100 [ 31.766356][ T2491] ? snapshot_read.cold+0x21/0x21 [ 31.766364][ T2491] br_set_state+0x22f/0x430 [ 31.766368][ T2491] br_stp_disable_port+0x11f/0x390 [ 31.766372][ T2491] br_device_event+0x7b5/0x8f0 [ 31.766374][ T2491] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 31.766378][ T2491] ? packet_sendmsg_spkt+0x1360/0x1360 [ 31.766383][ T2491] notifier_call_chain+0xae/0x300 [ 31.766389][ T2491] __dev_notify_flags+0x23c/0x450 [ 31.766394][ T2491] ? netif_change_name+0x8c0/0x8c0 [ 31.766398][ T2491] ? netif_set_allmulti+0x2c0/0x2c0 [ 31.766401][ T2491] ? __kernel_text_address+0x12/0x30 [ 31.766403][ T2491] ? write_profile+0xf0/0xf0 [ 31.766408][ T2491] netif_change_flags+0xfe/0x190 [ 31.766412][ T2491] do_setlink.isra.0+0x1d25/0x2a60 [ 31.766415][ T2491] ? stack_trace_save+0x93/0xc0 [ 31.766418][ T2491] ? rtnl_link_get_size+0x350/0x350 [ 31.766419][ T2491] ? rcu_read_lock_any_held+0x66/0x90 [ 31.766421][ T2491] ? stack_depot_save_flags+0x38e/0x790 [ 31.766424][ T2491] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.766426][ T2491] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.766428][ T2491] ? validate_chain+0x38b/0xc20 [ 31.766430][ T2491] ? kasan_save_stack+0x3d/0x50 [ 31.766432][ T2491] ? kasan_save_stack+0x2f/0x50 [ 31.766434][ T2491] ? kasan_save_track+0x14/0x30 [ 31.766435][ T2491] ? __kasan_kmalloc+0x7b/0x90 [ 31.766437][ T2491] ? __lock_acquire+0x518/0xc20 [ 31.766439][ T2491] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 31.766442][ T2491] ? ___sys_sendmsg+0xd0/0x1d0 [ 31.766446][ T2491] ? lock_acquire.part.0+0xd4/0x280 [ 31.766448][ T2491] ? rtnl_newlink+0x9a8/0x11b0 [ 31.766450][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766452][ T2491] ? lock_acquire+0x13c/0x160 [ 31.766453][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766455][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766456][ T2491] ? trace_contention_end+0xb3/0x180 [ 31.766459][ T2491] ? __mutex_lock+0x1db/0x1ea0 [ 31.766460][ T2491] ? __mutex_lock+0x9a3/0x1ea0 [ 31.766462][ T2491] ? rtnl_newlink+0x9a8/0x11b0 [ 31.766465][ T2491] ? ww_mutex_lock+0x160/0x160 [ 31.766469][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766471][ T2491] ? __rtnl_newlink+0x3fa/0xa50 [ 31.766476][ T2491] rtnl_newlink+0x9f1/0x11b0 [ 31.766481][ T2491] ? rtnl_bridge_getlink+0x850/0x850 [ 31.766483][ T2491] ? __lock_acquire+0x518/0xc20 [ 31.766488][ T2491] ? lock_acquire.part.0+0xd4/0x280 [ 31.766489][ T2491] ? find_held_lock+0x2b/0x80 [ 31.766492][ T2491] ? rtnl_bridge_getlink+0x850/0x850 [ 31.766494][ T2491] ? __lock_release.isra.0+0x69/0x1a0 [ 31.766497][ T2491] ? rtnl_bridge_getlink+0x850/0x850 [ 31.766499][ T2491] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 31.766502][ T2491] ? rtnl_link_fill+0x920/0x920 [ 31.766504][ T2491] ? __lock_acquire+0x518/0xc20 [ 31.766508][ T2491] ? lock_acquire.part.0+0xd4/0x280 [ 31.766510][ T2491] ? find_held_lock+0x2b/0x80 [ 31.766514][ T2491] netlink_rcv_skb+0x14e/0x3a0 [ 31.766516][ T2491] ? rtnl_link_fill+0x920/0x920 [ 31.766519][ T2491] ? netlink_ack+0xcf0/0xcf0 [ 31.766526][ T2491] ? netlink_deliver_tap+0xc5/0x330 [ 31.766528][ T2491] ? netlink_deliver_tap+0x13c/0x330 [ 31.766532][ T2491] netlink_unicast+0x486/0x750 [ 31.766536][ T2491] ? netlink_attachskb+0x810/0x810 [ 31.766539][ T2491] ? find_held_lock+0x2b/0x80 [ 31.766543][ T2491] netlink_sendmsg+0x75b/0xc90 [ 31.766547][ T2491] ? netlink_unicast+0x750/0x750 [ 31.766551][ T2491] ? __lock_release.isra.0+0x69/0x1a0 [ 31.766552][ T2491] ? __import_iovec+0x36c/0x620 [ 31.766557][ T2491] __sock_sendmsg+0xce/0x190 [ 31.766560][ T2491] ____sys_sendmsg+0x61a/0x860 [ 31.766562][ T2491] ? copy_msghdr_from_user+0x279/0x420 [ 31.766565][ T2491] ? sock_write_iter+0x400/0x400 [ 31.766566][ T2491] ? move_addr_to_kernel+0x40/0x40 [ 31.766573][ T2491] ___sys_sendmsg+0x14e/0x1d0 [ 31.766576][ T2491] ? copy_msghdr_from_user+0x420/0x420 [ 31.766592][ T2491] __sys_sendmsg+0x12c/0x1d0 [ 31.766595][ T2491] ? __sys_sendmsg_sock+0x20/0x20 [ 31.766601][ T2491] ? rcu_is_watching+0x16/0xd0 [ 31.766604][ T2491] do_syscall_64+0xff/0x530 [ 31.766607][ T2491] ? exc_page_fault+0xee/0x100 [ 31.766610][ T2491] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.766612][ T2491] RIP: 0033:0x7f068552d54e [ 31.766614][ T2491] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 31.766616][ T2491] RSP: 002b:00007ffca97c47f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.766618][ T2491] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f068552d54e [ 31.766620][ T2491] RDX: 0000000000000000 RSI: 00007ffca97c48a0 RDI: 0000000000000005 [ 31.766621][ T2491] RBP: 00007ffca97c4800 R08: 0000000000000000 R09: 0000000000000000 [ 31.766621][ T2491] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144ca [ 31.766622][ T2491] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca97c4f60 [ 31.766629][ T2491] [ 32.340941][ T2542] br: port 1(d1) entered blocking state [ 32.341223][ T2542] br: port 1(d1) entered forwarding state [ 32.411044][ T2550] br: port 2(d2) entered disabled state [ 32.926917][ T1073] br: port 2(d2) entered blocking state [ 32.926935][ T1073] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.926937][ T1073] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1073, name: kworker/u20:2 [ 32.926939][ T1073] preempt_count: 202, expected: 0 [ 32.926940][ T1073] RCU nest depth: 0, expected: 0 [ 32.926941][ T1073] locks held by kworker/u20:2/1073: 8, last CPU#0: [ 32.926943][ T1073] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 32.926955][ T1073] #1: ffa0000002d47d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 32.926959][ T1073] #2: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 32.926965][ T1073] #3: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 32.926970][ T1073] #4: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.926975][ T1073] #5: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.926979][ T1073] #6: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.926982][ T1073] #7: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.926986][ T1073] irq event stamp: 141489 [ 32.926987][ T1073] hardirqs last enabled at (141488): [] __down_trylock_console_sem+0x86/0xa0 [ 32.926990][ T1073] hardirqs last disabled at (141489): [] console_emit_next_record+0x3d4/0x4c0 [ 32.926992][ T1073] softirqs last enabled at (141450): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 32.926995][ T1073] softirqs last disabled at (141484): [] br_port_carrier_check+0x161/0x430 [ 32.926998][ T1073] Preemption disabled at: [ 32.926998][ T1073] [<0000000000000000>] 0x0 [ 32.927005][ T1073] CPU: 0 UID: 0 PID: 1073 Comm: kworker/u20:2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.927008][ T1073] Tainted: [W]=WARN [ 32.927009][ T1073] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.927011][ T1073] Workqueue: events_unbound linkwatch_event [ 32.927014][ T1073] Call Trace: [ 32.927016][ T1073] [ 32.927017][ T1073] dump_stack_lvl+0x6f/0xa0 [ 32.927023][ T1073] __might_resched.cold+0x1fe/0x2c1 [ 32.927028][ T1073] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.927032][ T1073] ? __kmalloc_noprof+0xdb/0x760 [ 32.927037][ T1073] __kmalloc_noprof+0x443/0x760 [ 32.927039][ T1073] ? alloc_buf.isra.0+0x4b/0x260 [ 32.927045][ T1073] ? do_raw_spin_unlock+0x59/0x250 [ 32.927048][ T1073] alloc_buf.isra.0+0x4b/0x260 [ 32.927052][ T1073] put_chars+0x1e1/0x2f0 [ 32.927054][ T1073] ? __send_to_port+0x420/0x420 [ 32.927057][ T1073] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.927060][ T1073] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.927063][ T1073] ? validate_chain+0x38b/0xc20 [ 32.927067][ T1073] hvc_console_print+0x292/0x780 [ 32.927071][ T1073] ? mark_usage+0x61/0x170 [ 32.927072][ T1073] ? __lock_acquire+0x518/0xc20 [ 32.927074][ T1073] ? __lock_acquire+0x518/0xc20 [ 32.927078][ T1073] ? hvc_write+0x3a0/0x3a0 [ 32.927080][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 32.927085][ T1073] ? lock_acquire+0x13c/0x160 [ 32.927089][ T1073] console_emit_next_record+0x22f/0x4c0 [ 32.927093][ T1073] ? devkmsg_read+0x4b0/0x4b0 [ 32.927095][ T1073] ? console_flush_one_record+0x106/0x710 [ 32.927098][ T1073] ? rcu_is_watching+0x16/0xd0 [ 32.927100][ T1073] ? lock_acquire+0x13c/0x160 [ 32.927104][ T1073] console_flush_one_record+0x46f/0x710 [ 32.927108][ T1073] ? console_emit_next_record+0x4c0/0x4c0 [ 32.927110][ T1073] ? __lock_acquire+0x518/0xc20 [ 32.927116][ T1073] console_unlock+0xee/0x1f0 [ 32.927118][ T1073] ? console_flush_one_record+0x710/0x710 [ 32.927120][ T1073] ? rcu_is_watching+0x16/0xd0 [ 32.927122][ T1073] ? lock_acquire+0xe0/0x160 [ 32.927126][ T1073] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.927127][ T1073] ? vprintk_emit+0x320/0x3e0 [ 32.927130][ T1073] vprintk_emit+0x37c/0x3e0 [ 32.927133][ T1073] ? wake_up_klogd_work_func+0x90/0x90 [ 32.927135][ T1073] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.927137][ T1073] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.927141][ T1073] _printk+0xc7/0x100 [ 32.927144][ T1073] ? snapshot_read.cold+0x21/0x21 [ 32.927150][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 32.927153][ T1073] br_set_state+0x22f/0x430 [ 32.927158][ T1073] br_init_port+0xc4/0x200 [ 32.927160][ T1073] br_stp_enable_port+0x12/0x50 [ 32.927162][ T1073] br_port_carrier_check+0x220/0x430 [ 32.927166][ T1073] br_device_event+0x52d/0x8f0 [ 32.927169][ T1073] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.927171][ T1073] ? nlmsg_notify+0x62/0x250 [ 32.927178][ T1073] notifier_call_chain+0xae/0x300 [ 32.927184][ T1073] netif_state_change+0x139/0x3d0 [ 32.927189][ T1073] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 32.927193][ T1073] ? linkwatch_do_dev+0xae/0xd0 [ 32.927195][ T1073] __linkwatch_run_queue+0x350/0x850 [ 32.927198][ T1073] ? linkwatch_do_dev+0xd0/0xd0 [ 32.927201][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 32.927206][ T1073] linkwatch_event+0x7f/0xb0 [ 32.927208][ T1073] ? __linkwatch_run_queue+0x850/0x850 [ 32.927211][ T1073] process_one_work+0xe3e/0x1560 [ 32.927218][ T1073] ? __queue_delayed_work+0x470/0x470 [ 32.927221][ T1073] ? lock_acquire.part.0+0xd4/0x280 [ 32.927228][ T1073] worker_thread+0x4f1/0xd60 [ 32.927233][ T1073] ? rescuer_thread+0x1340/0x1340 [ 32.927235][ T1073] ? __kthread_parkme+0xbd/0x210 [ 32.927237][ T1073] ? rescuer_thread+0x1340/0x1340 [ 32.927240][ T1073] ? rescuer_thread+0x1340/0x1340 [ 32.927242][ T1073] kthread+0x367/0x460 [ 32.927244][ T1073] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 32.927248][ T1073] ? kthread_affine_preferred+0x4c0/0x4c0 [ 32.927250][ T1073] ret_from_fork+0x474/0x6b0 [ 32.927255][ T1073] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 32.927258][ T1073] ? __switch_to+0x5a3/0xe00 [ 32.927261][ T1073] ? kthread_affine_preferred+0x4c0/0x4c0 [ 32.927264][ T1073] ret_from_fork_asm+0x11/0x20 [ 32.927273][ T1073] [ 32.954939][ T1073] br: port 2(d2) entered forwarding state [ 33.021028][ T2609] br: port 1(d1) entered disabled state [ 33.103914][ T2617] br: port 2(d2) entered disabled state [ 33.646917][ T1073] br: port 2(d2) entered blocking state [ 33.647206][ T1073] br: port 2(d2) entered forwarding state [ 33.672268][ T203] br: port 1(d1) entered blocking state [ 33.672509][ T203] br: port 1(d1) entered forwarding state [ 33.749765][ T2678] br: port 1(d1) entered disabled state [ 33.824084][ T2686] br: port 2(d2) entered disabled state [ 33.901086][ T2694] br: port 3(d3) entered disabled state [ 34.412842][ T2745] br: port 3(d3) entered blocking state [ 34.412860][ T2745] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.412862][ T2745] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2745, name: ip [ 34.412863][ T2745] preempt_count: 202, expected: 0 [ 34.412865][ T2745] RCU nest depth: 0, expected: 0 [ 34.412865][ T2745] locks held by ip/2745: 6, last CPU#2: [ 34.412867][ T2745] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 34.412879][ T2745] #1: ff1100000226ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 34.412885][ T2745] #2: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.412890][ T2745] #3: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.412894][ T2745] #4: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.412897][ T2745] #5: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.412901][ T2745] irq event stamp: 16215 [ 34.412902][ T2745] hardirqs last enabled at (16214): [] __down_trylock_console_sem+0x86/0xa0 [ 34.412905][ T2745] hardirqs last disabled at (16215): [] console_emit_next_record+0x3d4/0x4c0 [ 34.412907][ T2745] softirqs last enabled at (16176): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 34.412910][ T2745] softirqs last disabled at (16210): [] br_device_event+0x5fd/0x8f0 [ 34.412912][ T2745] Preemption disabled at: [ 34.412913][ T2745] [<0000000000000000>] 0x0 [ 34.412919][ T2745] CPU: 2 UID: 0 PID: 2745 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.412923][ T2745] Tainted: [W]=WARN [ 34.412923][ T2745] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.412925][ T2745] Call Trace: [ 34.412927][ T2745] [ 34.412928][ T2745] dump_stack_lvl+0x6f/0xa0 [ 34.412934][ T2745] __might_resched.cold+0x1fe/0x2c1 [ 34.412939][ T2745] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.412943][ T2745] ? __kmalloc_noprof+0xdb/0x760 [ 34.412947][ T2745] __kmalloc_noprof+0x443/0x760 [ 34.412949][ T2745] ? alloc_buf.isra.0+0x4b/0x260 [ 34.412956][ T2745] ? do_raw_spin_unlock+0x59/0x250 [ 34.412958][ T2745] alloc_buf.isra.0+0x4b/0x260 [ 34.412962][ T2745] put_chars+0x1e1/0x2f0 [ 34.412964][ T2745] ? __send_to_port+0x420/0x420 [ 34.412965][ T2745] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.412969][ T2745] ? validate_chain+0x38b/0xc20 [ 34.412975][ T2745] hvc_console_print+0x292/0x780 [ 34.412982][ T2745] ? hvc_write+0x3a0/0x3a0 [ 34.412985][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.412987][ T2745] ? lock_acquire+0x13c/0x160 [ 34.412991][ T2745] console_emit_next_record+0x22f/0x4c0 [ 34.412995][ T2745] ? devkmsg_read+0x4b0/0x4b0 [ 34.412997][ T2745] ? console_flush_one_record+0x106/0x710 [ 34.413000][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413001][ T2745] ? lock_acquire+0x13c/0x160 [ 34.413005][ T2745] console_flush_one_record+0x46f/0x710 [ 34.413009][ T2745] ? console_emit_next_record+0x4c0/0x4c0 [ 34.413011][ T2745] ? __lock_acquire+0x518/0xc20 [ 34.413016][ T2745] console_unlock+0xee/0x1f0 [ 34.413019][ T2745] ? console_flush_one_record+0x710/0x710 [ 34.413021][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413023][ T2745] ? lock_acquire+0xe0/0x160 [ 34.413026][ T2745] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.413028][ T2745] ? vprintk_emit+0x320/0x3e0 [ 34.413031][ T2745] vprintk_emit+0x37c/0x3e0 [ 34.413034][ T2745] ? wake_up_klogd_work_func+0x90/0x90 [ 34.413036][ T2745] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.413038][ T2745] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.413042][ T2745] _printk+0xc7/0x100 [ 34.413046][ T2745] ? snapshot_read.cold+0x21/0x21 [ 34.413051][ T2745] ? lock_acquire.part.0+0xd4/0x280 [ 34.413054][ T2745] br_set_state+0x22f/0x430 [ 34.413059][ T2745] br_init_port+0xc4/0x200 [ 34.413061][ T2745] br_stp_enable_port+0x12/0x50 [ 34.413063][ T2745] br_device_event+0x605/0x8f0 [ 34.413066][ T2745] ? packet_sendmsg_spkt+0x1360/0x1360 [ 34.413068][ T2745] ? nlmsg_notify+0x62/0x250 [ 34.413074][ T2745] notifier_call_chain+0xae/0x300 [ 34.413080][ T2745] __dev_notify_flags+0x1b7/0x450 [ 34.413085][ T2745] ? netif_change_name+0x8c0/0x8c0 [ 34.413089][ T2745] ? netif_set_allmulti+0x2c0/0x2c0 [ 34.413091][ T2745] ? kernel_text_address+0x149/0x170 [ 34.413094][ T2745] ? __kernel_text_address+0x12/0x30 [ 34.413095][ T2745] ? write_profile+0xf0/0xf0 [ 34.413100][ T2745] netif_change_flags+0xfe/0x190 [ 34.413104][ T2745] do_setlink.isra.0+0x1d25/0x2a60 [ 34.413107][ T2745] ? stack_trace_save+0x93/0xc0 [ 34.413109][ T2745] ? rtnl_link_get_size+0x350/0x350 [ 34.413111][ T2745] ? rcu_read_lock_any_held+0x66/0x90 [ 34.413112][ T2745] ? stack_depot_save_flags+0x38e/0x790 [ 34.413116][ T2745] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.413117][ T2745] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.413119][ T2745] ? validate_chain+0x38b/0xc20 [ 34.413122][ T2745] ? kasan_save_stack+0x3d/0x50 [ 34.413124][ T2745] ? kasan_save_stack+0x2f/0x50 [ 34.413125][ T2745] ? kasan_save_track+0x14/0x30 [ 34.413126][ T2745] ? __kasan_kmalloc+0x7b/0x90 [ 34.413129][ T2745] ? __lock_acquire+0x518/0xc20 [ 34.413130][ T2745] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 34.413133][ T2745] ? ___sys_sendmsg+0xd0/0x1d0 [ 34.413137][ T2745] ? lock_acquire.part.0+0xd4/0x280 [ 34.413139][ T2745] ? rtnl_newlink+0x9a8/0x11b0 [ 34.413141][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413143][ T2745] ? lock_acquire+0x13c/0x160 [ 34.413145][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413146][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413147][ T2745] ? trace_contention_end+0xb3/0x180 [ 34.413150][ T2745] ? __mutex_lock+0x1db/0x1ea0 [ 34.413152][ T2745] ? __mutex_lock+0x9a3/0x1ea0 [ 34.413154][ T2745] ? rtnl_newlink+0x9a8/0x11b0 [ 34.413157][ T2745] ? ww_mutex_lock+0x160/0x160 [ 34.413161][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413163][ T2745] ? __rtnl_newlink+0x3fa/0xa50 [ 34.413168][ T2745] rtnl_newlink+0x9f1/0x11b0 [ 34.413173][ T2745] ? rtnl_bridge_getlink+0x850/0x850 [ 34.413175][ T2745] ? __lock_acquire+0x518/0xc20 [ 34.413180][ T2745] ? lock_acquire.part.0+0xd4/0x280 [ 34.413181][ T2745] ? find_held_lock+0x2b/0x80 [ 34.413183][ T2745] ? rtnl_bridge_getlink+0x850/0x850 [ 34.413185][ T2745] ? __lock_release.isra.0+0x69/0x1a0 [ 34.413189][ T2745] ? rtnl_bridge_getlink+0x850/0x850 [ 34.413191][ T2745] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 34.413194][ T2745] ? rtnl_link_fill+0x920/0x920 [ 34.413195][ T2745] ? __lock_acquire+0x518/0xc20 [ 34.413200][ T2745] ? lock_acquire.part.0+0xd4/0x280 [ 34.413202][ T2745] ? find_held_lock+0x2b/0x80 [ 34.413205][ T2745] netlink_rcv_skb+0x14e/0x3a0 [ 34.413207][ T2745] ? rtnl_link_fill+0x920/0x920 [ 34.413210][ T2745] ? netlink_ack+0xcf0/0xcf0 [ 34.413216][ T2745] ? netlink_deliver_tap+0xc5/0x330 [ 34.413218][ T2745] ? netlink_deliver_tap+0x13c/0x330 [ 34.413222][ T2745] netlink_unicast+0x486/0x750 [ 34.413226][ T2745] ? netlink_attachskb+0x810/0x810 [ 34.413229][ T2745] ? find_held_lock+0x2b/0x80 [ 34.413233][ T2745] netlink_sendmsg+0x75b/0xc90 [ 34.413237][ T2745] ? netlink_unicast+0x750/0x750 [ 34.413240][ T2745] ? __lock_release.isra.0+0x69/0x1a0 [ 34.413242][ T2745] ? __import_iovec+0x36c/0x620 [ 34.413247][ T2745] __sock_sendmsg+0xce/0x190 [ 34.413250][ T2745] ____sys_sendmsg+0x61a/0x860 [ 34.413252][ T2745] ? copy_msghdr_from_user+0x279/0x420 [ 34.413255][ T2745] ? sock_write_iter+0x400/0x400 [ 34.413256][ T2745] ? move_addr_to_kernel+0x40/0x40 [ 34.413263][ T2745] ___sys_sendmsg+0x14e/0x1d0 [ 34.413266][ T2745] ? copy_msghdr_from_user+0x420/0x420 [ 34.413282][ T2745] __sys_sendmsg+0x12c/0x1d0 [ 34.413284][ T2745] ? __sys_sendmsg_sock+0x20/0x20 [ 34.413291][ T2745] ? rcu_is_watching+0x16/0xd0 [ 34.413294][ T2745] do_syscall_64+0xff/0x530 [ 34.413297][ T2745] ? exc_page_fault+0xee/0x100 [ 34.413300][ T2745] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.413302][ T2745] RIP: 0033:0x7f531e9da54e [ 34.413304][ T2745] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 34.413306][ T2745] RSP: 002b:00007ffdf9975e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.413308][ T2745] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f531e9da54e [ 34.413310][ T2745] RDX: 0000000000000000 RSI: 00007ffdf9975f00 RDI: 0000000000000005 [ 34.413311][ T2745] RBP: 00007ffdf9975e60 R08: 0000000000000000 R09: 0000000000000000 [ 34.413311][ T2745] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144cc [ 34.413312][ T2745] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf99765c0 [ 34.413319][ T2745] [ 34.458094][ T2745] br: port 3(d3) entered forwarding state [ 34.498698][ T203] br: port 2(d2) entered blocking state [ 34.498915][ T203] br: port 2(d2) entered forwarding state [ 34.536899][ T46] br: port 1(d1) entered blocking state [ 34.537124][ T46] br: port 1(d1) entered forwarding state [ 35.126996][ T2794] d3: left allmulticast mode [ 35.127263][ T2794] d3: left promiscuous mode [ 35.127596][ T2794] br: port 3(d3) entered disabled state [ 35.277474][ T2802] d2: left allmulticast mode [ 35.277733][ T2802] d2: left promiscuous mode [ 35.278033][ T2802] br: port 2(d2) entered disabled state [ 35.421632][ T2810] d1: left allmulticast mode [ 35.421645][ T2810] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.421647][ T2810] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2810, name: ip [ 35.421648][ T2810] preempt_count: 1, expected: 0 [ 35.421649][ T2810] RCU nest depth: 0, expected: 0 [ 35.421650][ T2810] locks held by ip/2810: 5, last CPU#3: [ 35.421652][ T2810] #0: ffffffffaef1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 35.421663][ T2810] #1: ffffffffae77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 35.421674][ T2810] #2: ffffffffae77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 35.421678][ T2810] #3: ffffffffae69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 35.421682][ T2810] #4: ffffffffae69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 35.421686][ T2810] irq event stamp: 23502 [ 35.421686][ T2810] hardirqs last enabled at (23501): [] __down_trylock_console_sem+0x86/0xa0 [ 35.421690][ T2810] hardirqs last disabled at (23502): [] console_emit_next_record+0x3d4/0x4c0 [ 35.421692][ T2810] softirqs last enabled at (23472): [] __alloc_skb+0x4c2/0x5f0 [ 35.421695][ T2810] softirqs last disabled at (23470): [] __alloc_skb+0x4c2/0x5f0 [ 35.421697][ T2810] Preemption disabled at: [ 35.421698][ T2810] [] vprintk_emit+0x31b/0x3e0 [ 35.421703][ T2810] CPU: 3 UID: 0 PID: 2810 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.421706][ T2810] Tainted: [W]=WARN [ 35.421707][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.421709][ T2810] Call Trace: [ 35.421710][ T2810] [ 35.421712][ T2810] dump_stack_lvl+0x6f/0xa0 [ 35.421717][ T2810] ? vprintk_emit+0x31b/0x3e0 [ 35.421719][ T2810] __might_resched.cold+0x1fe/0x2c1 [ 35.421723][ T2810] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.421728][ T2810] ? __kmalloc_noprof+0xdb/0x760 [ 35.421732][ T2810] __kmalloc_noprof+0x443/0x760 [ 35.421734][ T2810] ? alloc_buf.isra.0+0x4b/0x260 [ 35.421741][ T2810] ? do_raw_spin_unlock+0x59/0x250 [ 35.421744][ T2810] alloc_buf.isra.0+0x4b/0x260 [ 35.421747][ T2810] put_chars+0x1e1/0x2f0 [ 35.421749][ T2810] ? __send_to_port+0x420/0x420 [ 35.421752][ T2810] ? validate_chain+0x38b/0xc20 [ 35.421758][ T2810] hvc_console_print+0x292/0x780 [ 35.421766][ T2810] ? hvc_write+0x3a0/0x3a0 [ 35.421769][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421771][ T2810] ? lock_acquire+0x13c/0x160 [ 35.421775][ T2810] console_emit_next_record+0x22f/0x4c0 [ 35.421779][ T2810] ? devkmsg_read+0x4b0/0x4b0 [ 35.421781][ T2810] ? console_flush_one_record+0x106/0x710 [ 35.421784][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421786][ T2810] ? lock_acquire+0x13c/0x160 [ 35.421790][ T2810] console_flush_one_record+0x46f/0x710 [ 35.421794][ T2810] ? console_emit_next_record+0x4c0/0x4c0 [ 35.421796][ T2810] ? __lock_acquire+0x518/0xc20 [ 35.421801][ T2810] console_unlock+0xee/0x1f0 [ 35.421804][ T2810] ? console_flush_one_record+0x710/0x710 [ 35.421806][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421807][ T2810] ? lock_acquire+0xe0/0x160 [ 35.421811][ T2810] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.421813][ T2810] ? vprintk_emit+0x320/0x3e0 [ 35.421816][ T2810] vprintk_emit+0x37c/0x3e0 [ 35.421819][ T2810] ? wake_up_klogd_work_func+0x90/0x90 [ 35.421820][ T2810] ? rtnl_newlink+0x9f1/0x11b0 [ 35.421822][ T2810] ? netlink_rcv_skb+0x14e/0x3a0 [ 35.421824][ T2810] ? netlink_unicast+0x486/0x750 [ 35.421826][ T2810] ? netlink_sendmsg+0x75b/0xc90 [ 35.421828][ T2810] ? __sock_sendmsg+0xce/0x190 [ 35.421830][ T2810] ? ____sys_sendmsg+0x61a/0x860 [ 35.421831][ T2810] ? ___sys_sendmsg+0x14e/0x1d0 [ 35.421835][ T2810] _printk+0xc7/0x100 [ 35.421838][ T2810] ? snapshot_read.cold+0x21/0x21 [ 35.421843][ T2810] ? netdev_name+0x43/0x60 [ 35.421847][ T2810] ? __netdev_printk+0x17f/0x1d0 [ 35.421850][ T2810] netdev_info+0xe2/0x116 [ 35.421853][ T2810] ? netdev_notice+0x120/0x120 [ 35.421857][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421859][ T2810] ? __up_read+0x355/0x9e0 [ 35.421862][ T2810] ? down_write_nested+0x200/0x200 [ 35.421863][ T2810] ? mutex_is_locked+0x1c/0x50 [ 35.421866][ T2810] netif_set_allmulti.cold+0x7c/0x166 [ 35.421870][ T2810] dev_set_allmulti+0xa6/0x240 [ 35.421873][ T2810] del_nbp+0xb7/0xc10 [ 35.421880][ T2810] br_del_if+0xab/0x200 [ 35.421882][ T2810] ? rtnl_is_locked+0x15/0x20 [ 35.421885][ T2810] do_set_master+0x15c/0x780 [ 35.421888][ T2810] do_setlink.isra.0+0x9ec/0x2a60 [ 35.421892][ T2810] ? stack_trace_save+0x93/0xc0 [ 35.421895][ T2810] ? rtnl_link_get_size+0x350/0x350 [ 35.421896][ T2810] ? rcu_read_lock_any_held+0x66/0x90 [ 35.421899][ T2810] ? stack_depot_save_flags+0x38e/0x790 [ 35.421902][ T2810] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.421904][ T2810] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.421906][ T2810] ? validate_chain+0x38b/0xc20 [ 35.421908][ T2810] ? kasan_save_stack+0x3d/0x50 [ 35.421911][ T2810] ? kasan_save_stack+0x2f/0x50 [ 35.421912][ T2810] ? kasan_save_track+0x14/0x30 [ 35.421913][ T2810] ? __kasan_kmalloc+0x7b/0x90 [ 35.421915][ T2810] ? __lock_acquire+0x518/0xc20 [ 35.421917][ T2810] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 35.421919][ T2810] ? ___sys_sendmsg+0xd0/0x1d0 [ 35.421923][ T2810] ? lock_acquire.part.0+0xd4/0x280 [ 35.421925][ T2810] ? rtnl_newlink+0x9a8/0x11b0 [ 35.421927][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421929][ T2810] ? lock_acquire+0x13c/0x160 [ 35.421930][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421931][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421933][ T2810] ? trace_contention_end+0xb3/0x180 [ 35.421935][ T2810] ? __mutex_lock+0x1db/0x1ea0 [ 35.421938][ T2810] ? __mutex_lock+0x9a3/0x1ea0 [ 35.421940][ T2810] ? rtnl_newlink+0x9a8/0x11b0 [ 35.421943][ T2810] ? ww_mutex_lock+0x160/0x160 [ 35.421944][ T2810] ? nla_get_range_signed+0x3d0/0x3d0 [ 35.421949][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.421951][ T2810] ? __rtnl_newlink+0x3fa/0xa50 [ 35.421956][ T2810] rtnl_newlink+0x9f1/0x11b0 [ 35.421962][ T2810] ? rtnl_bridge_getlink+0x850/0x850 [ 35.421963][ T2810] ? __lock_acquire+0x518/0xc20 [ 35.421968][ T2810] ? lock_acquire.part.0+0xd4/0x280 [ 35.421970][ T2810] ? find_held_lock+0x2b/0x80 [ 35.421972][ T2810] ? rtnl_bridge_getlink+0x850/0x850 [ 35.421974][ T2810] ? __lock_release.isra.0+0x69/0x1a0 [ 35.421978][ T2810] ? rtnl_bridge_getlink+0x850/0x850 [ 35.421980][ T2810] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 35.421983][ T2810] ? rtnl_link_fill+0x920/0x920 [ 35.421984][ T2810] ? __lock_acquire+0x518/0xc20 [ 35.421989][ T2810] ? lock_acquire.part.0+0xd4/0x280 [ 35.421990][ T2810] ? find_held_lock+0x2b/0x80 [ 35.421994][ T2810] netlink_rcv_skb+0x14e/0x3a0 [ 35.421996][ T2810] ? rtnl_link_fill+0x920/0x920 [ 35.421999][ T2810] ? netlink_ack+0xcf0/0xcf0 [ 35.422005][ T2810] ? netlink_deliver_tap+0xc5/0x330 [ 35.422007][ T2810] ? netlink_deliver_tap+0x13c/0x330 [ 35.422012][ T2810] netlink_unicast+0x486/0x750 [ 35.422016][ T2810] ? netlink_attachskb+0x810/0x810 [ 35.422018][ T2810] ? find_held_lock+0x2b/0x80 [ 35.422022][ T2810] netlink_sendmsg+0x75b/0xc90 [ 35.422026][ T2810] ? netlink_unicast+0x750/0x750 [ 35.422030][ T2810] ? __lock_release.isra.0+0x69/0x1a0 [ 35.422032][ T2810] ? __import_iovec+0x36c/0x620 [ 35.422037][ T2810] __sock_sendmsg+0xce/0x190 [ 35.422040][ T2810] ____sys_sendmsg+0x61a/0x860 [ 35.422042][ T2810] ? copy_msghdr_from_user+0x279/0x420 [ 35.422044][ T2810] ? sock_write_iter+0x400/0x400 [ 35.422046][ T2810] ? move_addr_to_kernel+0x40/0x40 [ 35.422053][ T2810] ___sys_sendmsg+0x14e/0x1d0 [ 35.422056][ T2810] ? copy_msghdr_from_user+0x420/0x420 [ 35.422073][ T2810] __sys_sendmsg+0x12c/0x1d0 [ 35.422075][ T2810] ? __sys_sendmsg_sock+0x20/0x20 [ 35.422082][ T2810] ? rcu_is_watching+0x16/0xd0 [ 35.422085][ T2810] do_syscall_64+0xff/0x530 [ 35.422088][ T2810] ? exc_page_fault+0xee/0x100 [ 35.422091][ T2810] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 35.422093][ T2810] RIP: 0033:0x7f8c188a654e [ 35.422097][ T2810] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 35.422098][ T2810] RSP: 002b:00007ffc2a112940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.422101][ T2810] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8c188a654e [ 35.422102][ T2810] RDX: 0000000000000000 RSI: 00007ffc2a1129f0 RDI: 0000000000000005 [ 35.422103][ T2810] RBP: 00007ffc2a112950 R08: 0000000000000000 R09: 0000000000000000 [ 35.422104][ T2810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9144cd [ 35.422105][ T2810] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2a1130b0 [ 35.422112][ T2810] [ 35.458272][ T2810] d1: left promiscuous mode [ 35.458655][ T2810] br: port 1(d1) entered disabled state