[ 9.798653][ T197] ip (197) used greatest stack depth: 24624 bytes left [ 9.798670][ T197] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.798672][ T197] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 197, name: ip [ 9.798673][ T197] preempt_count: 2, expected: 0 [ 9.798674][ T197] RCU nest depth: 0, expected: 0 [ 9.798675][ T197] locks held by ip/197: 5, last CPU#2: [ 9.798677][ T197] #0: ffffffff936167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.798691][ T197] #1: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.798696][ T197] #2: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.798700][ T197] #3: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.798704][ T197] #4: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.798708][ T197] irq event stamp: 26428 [ 9.798709][ T197] hardirqs last enabled at (26427): [] __down_trylock_console_sem+0x86/0xa0 [ 9.798712][ T197] hardirqs last disabled at (26428): [] console_emit_next_record+0x3d4/0x4c0 [ 9.798714][ T197] softirqs last enabled at (25330): [] handle_softirqs+0x67c/0x900 [ 9.798716][ T197] softirqs last disabled at (24103): [] __irq_exit_rcu+0x145/0x1c0 [ 9.798719][ T197] Preemption disabled at: [ 9.798719][ T197] [<0000000000000000>] 0x0 [ 9.798726][ T197] CPU: 2 UID: 0 PID: 197 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.798730][ T197] Tainted: [W]=WARN [ 9.798731][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.798732][ T197] Call Trace: [ 9.798734][ T197] [ 9.798735][ T197] dump_stack_lvl+0x6f/0xa0 [ 9.798742][ T197] __might_resched.cold+0x1fe/0x2c1 [ 9.798746][ T197] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.798750][ T197] ? __kmalloc_noprof+0xdb/0x760 [ 9.798754][ T197] __kmalloc_noprof+0x443/0x760 [ 9.798756][ T197] ? alloc_buf.isra.0+0x4b/0x260 [ 9.798763][ T197] ? do_raw_spin_unlock+0x59/0x250 [ 9.798766][ T197] alloc_buf.isra.0+0x4b/0x260 [ 9.798770][ T197] put_chars+0x1e1/0x2f0 [ 9.798772][ T197] ? __send_to_port+0x420/0x420 [ 9.798774][ T197] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.798777][ T197] ? validate_chain+0x38b/0xc20 [ 9.798782][ T197] hvc_console_print+0x292/0x780 [ 9.798790][ T197] ? hvc_write+0x3a0/0x3a0 [ 9.798793][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.798795][ T197] ? lock_acquire+0x13c/0x160 [ 9.798799][ T197] console_emit_next_record+0x22f/0x4c0 [ 9.798802][ T197] ? devkmsg_read+0x4b0/0x4b0 [ 9.798804][ T197] ? console_flush_one_record+0x106/0x710 [ 9.798808][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.798809][ T197] ? lock_acquire+0x13c/0x160 [ 9.798813][ T197] console_flush_one_record+0x46f/0x710 [ 9.798817][ T197] ? console_emit_next_record+0x4c0/0x4c0 [ 9.798819][ T197] ? __lock_acquire+0x518/0xc20 [ 9.798824][ T197] console_unlock+0xee/0x1f0 [ 9.798827][ T197] ? console_flush_one_record+0x710/0x710 [ 9.798829][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.798831][ T197] ? lock_acquire+0xe0/0x160 [ 9.798835][ T197] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.798836][ T197] ? vprintk_emit+0x320/0x3e0 [ 9.798839][ T197] vprintk_emit+0x37c/0x3e0 [ 9.798842][ T197] ? wake_up_klogd_work_func+0x90/0x90 [ 9.798845][ T197] ? __lock_acquire+0x518/0xc20 [ 9.798849][ T197] _printk+0xc7/0x100 [ 9.798852][ T197] ? snapshot_read.cold+0x21/0x21 [ 9.798855][ T197] ? do_raw_spin_lock+0x131/0x280 [ 9.798857][ T197] ? __rwlock_init+0x150/0x150 [ 9.798861][ T197] ? do_raw_spin_lock+0x131/0x280 [ 9.798864][ T197] do_exit.cold+0x82/0x9c [ 9.798868][ T197] ? exit_notify+0x890/0x890 [ 9.798869][ T197] ? __lock_release.isra.0+0x69/0x1a0 [ 9.798872][ T197] ? rcu_is_watching+0x16/0xd0 [ 9.798875][ T197] do_group_exit+0xb8/0x370 [ 9.798878][ T197] __x64_sys_exit_group+0x3c/0x50 [ 9.798880][ T197] x64_sys_call+0x1567/0x1570 [ 9.798882][ T197] do_syscall_64+0xff/0x530 [ 9.798886][ T197] ? exc_page_fault+0xee/0x100 [ 9.798889][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.798891][ T197] RIP: 0033:0x7f75f3c131b8 [ 9.798893][ T197] Code: Unable to access opcode bytes at 0x7f75f3c1318e. [ 9.798894][ T197] RSP: 002b:00007ffd658b4828 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.798897][ T197] RAX: ffffffffffffffda RBX: 00007f75f3d43f88 RCX: 00007f75f3c131b8 [ 9.798898][ T197] RDX: 00007f75f395dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.798899][ T197] RBP: 00007ffd658b4880 R08: 0000000000000000 R09: 0000000000008010 [ 9.798900][ T197] R10: 00007ffd658b4640 R11: 0000000000000246 R12: 0000000000000001 [ 9.798901][ T197] R13: 0000000000000000 R14: 00007f75f3d42680 R15: 00007f75f3d43fa0 [ 9.798907][ T197] [ 9.880785][ T202] ip (202) used greatest stack depth: 24336 bytes left [ 10.169521][ T235] br: port 1(d1) entered blocking state [ 10.169937][ T235] br: port 1(d1) entered disabled state [ 10.170368][ T235] d1: entered allmulticast mode [ 10.171505][ T235] d1: entered promiscuous mode [ 10.173294][ T235] br: port 1(d1) entered blocking state [ 10.173666][ T235] br: port 1(d1) entered forwarding state [ 10.280242][ T240] ip (240) used greatest stack depth: 24192 bytes left [ 10.502350][ T263] br: port 2(d2) entered blocking state [ 10.502607][ T263] br: port 2(d2) entered disabled state [ 10.502837][ T263] d2: entered allmulticast mode [ 10.503939][ T263] d2: entered promiscuous mode [ 10.504567][ T263] br: port 2(d2) entered blocking state [ 10.504790][ T263] br: port 2(d2) entered forwarding state [ 10.828873][ T291] br: port 3(d3) entered blocking state [ 10.828894][ T291] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.828896][ T291] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 291, name: ip [ 10.828898][ T291] preempt_count: 1, expected: 0 [ 10.828898][ T291] RCU nest depth: 0, expected: 0 [ 10.828899][ T291] locks held by ip/291: 5, last CPU#2: [ 10.828901][ T291] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 10.828913][ T291] #1: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.828919][ T291] #2: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.828923][ T291] #3: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.828927][ T291] #4: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.828931][ T291] irq event stamp: 16406 [ 10.828932][ T291] hardirqs last enabled at (16405): [] __down_trylock_console_sem+0x86/0xa0 [ 10.828935][ T291] hardirqs last disabled at (16406): [] console_emit_next_record+0x3d4/0x4c0 [ 10.828937][ T291] softirqs last enabled at (16348): [] __alloc_skb+0x4c2/0x5f0 [ 10.828940][ T291] softirqs last disabled at (16346): [] __alloc_skb+0x4c2/0x5f0 [ 10.828943][ T291] Preemption disabled at: [ 10.828943][ T291] [] vprintk_emit+0x31b/0x3e0 [ 10.828949][ T291] CPU: 2 UID: 0 PID: 291 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.828952][ T291] Tainted: [W]=WARN [ 10.828953][ T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.828955][ T291] Call Trace: [ 10.828956][ T291] [ 10.828958][ T291] dump_stack_lvl+0x6f/0xa0 [ 10.828963][ T291] ? vprintk_emit+0x31b/0x3e0 [ 10.828965][ T291] __might_resched.cold+0x1fe/0x2c1 [ 10.828970][ T291] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.828974][ T291] ? __kmalloc_noprof+0xdb/0x760 [ 10.828978][ T291] __kmalloc_noprof+0x443/0x760 [ 10.828980][ T291] ? alloc_buf.isra.0+0x4b/0x260 [ 10.828987][ T291] ? do_raw_spin_unlock+0x59/0x250 [ 10.828989][ T291] alloc_buf.isra.0+0x4b/0x260 [ 10.828993][ T291] put_chars+0x1e1/0x2f0 [ 10.828996][ T291] ? __send_to_port+0x420/0x420 [ 10.828997][ T291] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.829001][ T291] ? validate_chain+0x38b/0xc20 [ 10.829006][ T291] hvc_console_print+0x292/0x780 [ 10.829014][ T291] ? hvc_write+0x3a0/0x3a0 [ 10.829017][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829019][ T291] ? lock_acquire+0x13c/0x160 [ 10.829023][ T291] console_emit_next_record+0x22f/0x4c0 [ 10.829027][ T291] ? devkmsg_read+0x4b0/0x4b0 [ 10.829029][ T291] ? console_flush_one_record+0x106/0x710 [ 10.829032][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829033][ T291] ? lock_acquire+0x13c/0x160 [ 10.829037][ T291] console_flush_one_record+0x46f/0x710 [ 10.829042][ T291] ? console_emit_next_record+0x4c0/0x4c0 [ 10.829044][ T291] ? __lock_acquire+0x518/0xc20 [ 10.829049][ T291] console_unlock+0xee/0x1f0 [ 10.829052][ T291] ? console_flush_one_record+0x710/0x710 [ 10.829054][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829056][ T291] ? lock_acquire+0xe0/0x160 [ 10.829059][ T291] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.829061][ T291] ? vprintk_emit+0x320/0x3e0 [ 10.829064][ T291] vprintk_emit+0x37c/0x3e0 [ 10.829067][ T291] ? wake_up_klogd_work_func+0x90/0x90 [ 10.829069][ T291] ? __lock_release.isra.0+0x69/0x1a0 [ 10.829071][ T291] ? mark_held_locks+0x40/0x70 [ 10.829075][ T291] _printk+0xc7/0x100 [ 10.829081][ T291] ? snapshot_read.cold+0x21/0x21 [ 10.829084][ T291] ? br_multicast_flood+0x960/0x960 [ 10.829088][ T291] ? do_setlink.isra.0+0x9ec/0x2a60 [ 10.829089][ T291] ? rtnl_newlink+0x9f1/0x11b0 [ 10.829091][ T291] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.829095][ T291] br_set_state+0x22f/0x430 [ 10.829099][ T291] br_init_port+0xc4/0x200 [ 10.829102][ T291] new_nbp+0x3a0/0x650 [ 10.829106][ T291] br_add_if+0x212/0x1320 [ 10.829108][ T291] ? is_bpf_text_address+0x72/0x110 [ 10.829112][ T291] ? kernel_text_address+0x149/0x170 [ 10.829117][ T291] do_set_master+0x3b2/0x780 [ 10.829121][ T291] do_setlink.isra.0+0x9ec/0x2a60 [ 10.829124][ T291] ? stack_trace_save+0x93/0xc0 [ 10.829127][ T291] ? rtnl_link_get_size+0x350/0x350 [ 10.829129][ T291] ? rcu_read_lock_any_held+0x66/0x90 [ 10.829131][ T291] ? stack_depot_save_flags+0x38e/0x790 [ 10.829135][ T291] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.829137][ T291] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.829139][ T291] ? validate_chain+0x38b/0xc20 [ 10.829141][ T291] ? kasan_save_stack+0x3d/0x50 [ 10.829144][ T291] ? kasan_save_stack+0x2f/0x50 [ 10.829145][ T291] ? kasan_save_track+0x14/0x30 [ 10.829146][ T291] ? __kasan_kmalloc+0x7b/0x90 [ 10.829148][ T291] ? __lock_acquire+0x518/0xc20 [ 10.829150][ T291] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 10.829153][ T291] ? ___sys_sendmsg+0xd0/0x1d0 [ 10.829157][ T291] ? lock_acquire.part.0+0xd4/0x280 [ 10.829159][ T291] ? rtnl_newlink+0x9a8/0x11b0 [ 10.829161][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829163][ T291] ? lock_acquire+0x13c/0x160 [ 10.829165][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829166][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829167][ T291] ? trace_contention_end+0xb3/0x180 [ 10.829170][ T291] ? __mutex_lock+0x1db/0x1ea0 [ 10.829172][ T291] ? __mutex_lock+0x9a3/0x1ea0 [ 10.829174][ T291] ? rtnl_newlink+0x9a8/0x11b0 [ 10.829178][ T291] ? ww_mutex_lock+0x160/0x160 [ 10.829179][ T291] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.829183][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829186][ T291] ? __rtnl_newlink+0x3fa/0xa50 [ 10.829191][ T291] rtnl_newlink+0x9f1/0x11b0 [ 10.829196][ T291] ? rtnl_bridge_getlink+0x850/0x850 [ 10.829198][ T291] ? __lock_acquire+0x518/0xc20 [ 10.829203][ T291] ? lock_acquire.part.0+0xd4/0x280 [ 10.829205][ T291] ? find_held_lock+0x2b/0x80 [ 10.829207][ T291] ? rtnl_bridge_getlink+0x850/0x850 [ 10.829209][ T291] ? __lock_release.isra.0+0x69/0x1a0 [ 10.829213][ T291] ? rtnl_bridge_getlink+0x850/0x850 [ 10.829215][ T291] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.829218][ T291] ? rtnl_link_fill+0x920/0x920 [ 10.829219][ T291] ? __lock_acquire+0x518/0xc20 [ 10.829224][ T291] ? lock_acquire.part.0+0xd4/0x280 [ 10.829226][ T291] ? find_held_lock+0x2b/0x80 [ 10.829229][ T291] netlink_rcv_skb+0x14e/0x3a0 [ 10.829232][ T291] ? rtnl_link_fill+0x920/0x920 [ 10.829235][ T291] ? netlink_ack+0xcf0/0xcf0 [ 10.829242][ T291] ? netlink_deliver_tap+0xc5/0x330 [ 10.829244][ T291] ? netlink_deliver_tap+0x13c/0x330 [ 10.829248][ T291] netlink_unicast+0x486/0x750 [ 10.829252][ T291] ? netlink_attachskb+0x810/0x810 [ 10.829255][ T291] ? find_held_lock+0x2b/0x80 [ 10.829259][ T291] netlink_sendmsg+0x75b/0xc90 [ 10.829263][ T291] ? netlink_unicast+0x750/0x750 [ 10.829267][ T291] ? __lock_release.isra.0+0x69/0x1a0 [ 10.829269][ T291] ? __import_iovec+0x36c/0x620 [ 10.829274][ T291] __sock_sendmsg+0xce/0x190 [ 10.829277][ T291] ____sys_sendmsg+0x61a/0x860 [ 10.829279][ T291] ? copy_msghdr_from_user+0x279/0x420 [ 10.829282][ T291] ? sock_write_iter+0x400/0x400 [ 10.829283][ T291] ? move_addr_to_kernel+0x40/0x40 [ 10.829291][ T291] ___sys_sendmsg+0x14e/0x1d0 [ 10.829293][ T291] ? copy_msghdr_from_user+0x420/0x420 [ 10.829310][ T291] __sys_sendmsg+0x12c/0x1d0 [ 10.829312][ T291] ? __sys_sendmsg_sock+0x20/0x20 [ 10.829319][ T291] ? rcu_is_watching+0x16/0xd0 [ 10.829322][ T291] do_syscall_64+0xff/0x530 [ 10.829325][ T291] ? exc_page_fault+0xee/0x100 [ 10.829328][ T291] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.829330][ T291] RIP: 0033:0x7f320341c54e [ 10.829333][ T291] 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 [ 10.829335][ T291] RSP: 002b:00007ffe522433c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.829338][ T291] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f320341c54e [ 10.829339][ T291] RDX: 0000000000000000 RSI: 00007ffe52243470 RDI: 0000000000000005 [ 10.829340][ T291] RBP: 00007ffe522433d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.829341][ T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cd1 [ 10.829342][ T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe52243b30 [ 10.829348][ T291] [ 10.870688][ T291] br: port 3(d3) entered disabled state [ 10.870991][ T291] d3: entered allmulticast mode [ 10.872122][ T291] d3: entered promiscuous mode [ 10.872939][ T291] br: port 3(d3) entered blocking state [ 10.873259][ T291] br: port 3(d3) entered forwarding state [ 10.897488][ T291] ip (291) used greatest stack depth: 23336 bytes left [ 11.864171][ T388] br: port 1(d1) entered disabled state [ 11.864191][ T388] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.864193][ T388] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 388, name: ip [ 11.864195][ T388] preempt_count: 202, expected: 0 [ 11.864196][ T388] RCU nest depth: 0, expected: 0 [ 11.864197][ T388] locks held by ip/388: 6, last CPU#3: [ 11.864199][ T388] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 11.864211][ T388] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 11.864216][ T388] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.864222][ T388] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.864226][ T388] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.864229][ T388] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.864233][ T388] irq event stamp: 23949 [ 11.864234][ T388] hardirqs last enabled at (23948): [] __down_trylock_console_sem+0x86/0xa0 [ 11.864237][ T388] hardirqs last disabled at (23949): [] console_emit_next_record+0x3d4/0x4c0 [ 11.864240][ T388] softirqs last enabled at (23932): [] ipv6_mc_down+0x134/0x2d0 [ 11.864243][ T388] softirqs last disabled at (23944): [] br_device_event+0x1d7/0x8f0 [ 11.864245][ T388] Preemption disabled at: [ 11.864246][ T388] [<0000000000000000>] 0x0 [ 11.864253][ T388] CPU: 3 UID: 0 PID: 388 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.864257][ T388] Tainted: [W]=WARN [ 11.864258][ T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.864259][ T388] Call Trace: [ 11.864261][ T388] [ 11.864263][ T388] dump_stack_lvl+0x6f/0xa0 [ 11.864270][ T388] __might_resched.cold+0x1fe/0x2c1 [ 11.864274][ T388] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.864279][ T388] ? __kmalloc_noprof+0xdb/0x760 [ 11.864283][ T388] __kmalloc_noprof+0x443/0x760 [ 11.864285][ T388] ? alloc_buf.isra.0+0x4b/0x260 [ 11.864292][ T388] ? do_raw_spin_unlock+0x59/0x250 [ 11.864295][ T388] alloc_buf.isra.0+0x4b/0x260 [ 11.864299][ T388] put_chars+0x1e1/0x2f0 [ 11.864301][ T388] ? __send_to_port+0x420/0x420 [ 11.864307][ T388] hvc_console_print+0x292/0x780 [ 11.864315][ T388] ? hvc_write+0x3a0/0x3a0 [ 11.864318][ T388] ? lock_acquire+0x13c/0x160 [ 11.864322][ T388] console_emit_next_record+0x22f/0x4c0 [ 11.864326][ T388] ? devkmsg_read+0x4b0/0x4b0 [ 11.864328][ T388] ? console_flush_one_record+0x106/0x710 [ 11.864332][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864334][ T388] ? lock_acquire+0x13c/0x160 [ 11.864338][ T388] console_flush_one_record+0x46f/0x710 [ 11.864343][ T388] ? console_emit_next_record+0x4c0/0x4c0 [ 11.864344][ T388] ? __lock_acquire+0x518/0xc20 [ 11.864350][ T388] console_unlock+0xee/0x1f0 [ 11.864353][ T388] ? console_flush_one_record+0x710/0x710 [ 11.864354][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864356][ T388] ? lock_acquire+0xe0/0x160 [ 11.864360][ T388] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.864362][ T388] ? vprintk_emit+0x320/0x3e0 [ 11.864364][ T388] vprintk_emit+0x37c/0x3e0 [ 11.864367][ T388] ? wake_up_klogd_work_func+0x90/0x90 [ 11.864369][ T388] ? mark_held_locks+0x40/0x70 [ 11.864371][ T388] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.864373][ T388] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.864378][ T388] _printk+0xc7/0x100 [ 11.864381][ T388] ? snapshot_read.cold+0x21/0x21 [ 11.864389][ T388] br_set_state+0x22f/0x430 [ 11.864393][ T388] br_stp_disable_port+0x11f/0x390 [ 11.864397][ T388] br_device_event+0x7b5/0x8f0 [ 11.864404][ T388] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.864408][ T388] ? packet_sendmsg_spkt+0x1360/0x1360 [ 11.864413][ T388] notifier_call_chain+0xae/0x300 [ 11.864419][ T388] __dev_notify_flags+0x23c/0x450 [ 11.864424][ T388] ? netif_change_name+0x8c0/0x8c0 [ 11.864428][ T388] ? netif_set_allmulti+0x2c0/0x2c0 [ 11.864431][ T388] ? __kernel_text_address+0x12/0x30 [ 11.864434][ T388] ? write_profile+0xf0/0xf0 [ 11.864439][ T388] netif_change_flags+0xfe/0x190 [ 11.864443][ T388] do_setlink.isra.0+0x1d25/0x2a60 [ 11.864447][ T388] ? stack_trace_save+0x93/0xc0 [ 11.864449][ T388] ? rtnl_link_get_size+0x350/0x350 [ 11.864450][ T388] ? rcu_read_lock_any_held+0x66/0x90 [ 11.864452][ T388] ? stack_depot_save_flags+0x38e/0x790 [ 11.864455][ T388] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.864457][ T388] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.864459][ T388] ? validate_chain+0x38b/0xc20 [ 11.864462][ T388] ? kasan_save_stack+0x3d/0x50 [ 11.864464][ T388] ? kasan_save_stack+0x2f/0x50 [ 11.864465][ T388] ? kasan_save_track+0x14/0x30 [ 11.864467][ T388] ? __kasan_kmalloc+0x7b/0x90 [ 11.864469][ T388] ? __lock_acquire+0x518/0xc20 [ 11.864471][ T388] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 11.864474][ T388] ? ___sys_sendmsg+0xd0/0x1d0 [ 11.864478][ T388] ? lock_acquire.part.0+0xd4/0x280 [ 11.864480][ T388] ? rtnl_newlink+0x9a8/0x11b0 [ 11.864482][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864484][ T388] ? lock_acquire+0x13c/0x160 [ 11.864485][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864487][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864488][ T388] ? trace_contention_end+0xb3/0x180 [ 11.864491][ T388] ? __mutex_lock+0x1db/0x1ea0 [ 11.864492][ T388] ? __mutex_lock+0x9a3/0x1ea0 [ 11.864494][ T388] ? rtnl_newlink+0x9a8/0x11b0 [ 11.864497][ T388] ? ww_mutex_lock+0x160/0x160 [ 11.864501][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864503][ T388] ? __rtnl_newlink+0x3fa/0xa50 [ 11.864508][ T388] rtnl_newlink+0x9f1/0x11b0 [ 11.864513][ T388] ? rtnl_bridge_getlink+0x850/0x850 [ 11.864515][ T388] ? __lock_acquire+0x518/0xc20 [ 11.864520][ T388] ? lock_acquire.part.0+0xd4/0x280 [ 11.864522][ T388] ? find_held_lock+0x2b/0x80 [ 11.864524][ T388] ? rtnl_bridge_getlink+0x850/0x850 [ 11.864526][ T388] ? __lock_release.isra.0+0x69/0x1a0 [ 11.864529][ T388] ? rtnl_bridge_getlink+0x850/0x850 [ 11.864531][ T388] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.864535][ T388] ? rtnl_link_fill+0x920/0x920 [ 11.864536][ T388] ? __lock_acquire+0x518/0xc20 [ 11.864540][ T388] ? lock_acquire.part.0+0xd4/0x280 [ 11.864542][ T388] ? find_held_lock+0x2b/0x80 [ 11.864546][ T388] netlink_rcv_skb+0x14e/0x3a0 [ 11.864549][ T388] ? rtnl_link_fill+0x920/0x920 [ 11.864552][ T388] ? netlink_ack+0xcf0/0xcf0 [ 11.864558][ T388] ? netlink_deliver_tap+0xc5/0x330 [ 11.864561][ T388] ? netlink_deliver_tap+0x13c/0x330 [ 11.864565][ T388] netlink_unicast+0x486/0x750 [ 11.864569][ T388] ? netlink_attachskb+0x810/0x810 [ 11.864572][ T388] ? find_held_lock+0x2b/0x80 [ 11.864576][ T388] netlink_sendmsg+0x75b/0xc90 [ 11.864580][ T388] ? netlink_unicast+0x750/0x750 [ 11.864584][ T388] ? __lock_release.isra.0+0x69/0x1a0 [ 11.864585][ T388] ? __import_iovec+0x36c/0x620 [ 11.864591][ T388] __sock_sendmsg+0xce/0x190 [ 11.864593][ T388] ____sys_sendmsg+0x61a/0x860 [ 11.864596][ T388] ? copy_msghdr_from_user+0x279/0x420 [ 11.864598][ T388] ? sock_write_iter+0x400/0x400 [ 11.864599][ T388] ? move_addr_to_kernel+0x40/0x40 [ 11.864607][ T388] ___sys_sendmsg+0x14e/0x1d0 [ 11.864610][ T388] ? copy_msghdr_from_user+0x420/0x420 [ 11.864626][ T388] __sys_sendmsg+0x12c/0x1d0 [ 11.864628][ T388] ? __sys_sendmsg_sock+0x20/0x20 [ 11.864635][ T388] ? rcu_is_watching+0x16/0xd0 [ 11.864638][ T388] do_syscall_64+0xff/0x530 [ 11.864641][ T388] ? exc_page_fault+0xee/0x100 [ 11.864644][ T388] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.864646][ T388] RIP: 0033:0x7f3ff551154e [ 11.864648][ T388] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 11.864650][ T388] RSP: 002b:00007ffcc08528c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.864653][ T388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ff551154e [ 11.864654][ T388] RDX: 0000000000000000 RSI: 00007ffcc0852970 RDI: 0000000000000005 [ 11.864655][ T388] RBP: 00007ffcc08528d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.864656][ T388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cd2 [ 11.864656][ T388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc0853030 [ 11.864663][ T388] [ 11.910224][ T388] ip (388) used greatest stack depth: 23016 bytes left [ 12.236618][ T36] br: port 1(d1) entered blocking state [ 12.237282][ T36] br: port 1(d1) entered forwarding state [ 12.325104][ T434] br: port 2(d2) entered disabled state [ 12.635202][ T472] br: port 2(d2) entered blocking state [ 12.635504][ T472] br: port 2(d2) entered forwarding state [ 12.719069][ T480] br: port 1(d1) entered disabled state [ 12.804800][ T488] br: port 2(d2) entered disabled state [ 13.132152][ T38] br: port 2(d2) entered blocking state [ 13.132172][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.132174][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 13.132176][ T38] preempt_count: 202, expected: 0 [ 13.132177][ T38] RCU nest depth: 0, expected: 0 [ 13.132178][ T38] locks held by kworker/u19:0/38: 8, last CPU#2: [ 13.132180][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 13.132193][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 13.132197][ T38] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 13.132203][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 13.132208][ T38] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.132213][ T38] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.132217][ T38] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.132220][ T38] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.132224][ T38] irq event stamp: 30225 [ 13.132225][ T38] hardirqs last enabled at (30224): [] __down_trylock_console_sem+0x86/0xa0 [ 13.132229][ T38] hardirqs last disabled at (30225): [] console_emit_next_record+0x3d4/0x4c0 [ 13.132231][ T38] softirqs last enabled at (30186): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 13.132233][ T38] softirqs last disabled at (30220): [] br_port_carrier_check+0x161/0x430 [ 13.132236][ T38] Preemption disabled at: [ 13.132237][ T38] [<0000000000000000>] 0x0 [ 13.132244][ T38] CPU: 2 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.132248][ T38] Tainted: [W]=WARN [ 13.132249][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.132250][ T38] Workqueue: events_unbound linkwatch_event [ 13.132253][ T38] Call Trace: [ 13.132255][ T38] [ 13.132257][ T38] dump_stack_lvl+0x6f/0xa0 [ 13.132263][ T38] __might_resched.cold+0x1fe/0x2c1 [ 13.132268][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.132272][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 13.132277][ T38] __kmalloc_noprof+0x443/0x760 [ 13.132279][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 13.132286][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 13.132289][ T38] alloc_buf.isra.0+0x4b/0x260 [ 13.132293][ T38] put_chars+0x1e1/0x2f0 [ 13.132295][ T38] ? __send_to_port+0x420/0x420 [ 13.132298][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.132301][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.132304][ T38] ? validate_chain+0x38b/0xc20 [ 13.132308][ T38] hvc_console_print+0x292/0x780 [ 13.132312][ T38] ? mark_usage+0x61/0x170 [ 13.132314][ T38] ? __lock_acquire+0x518/0xc20 [ 13.132316][ T38] ? __lock_acquire+0x518/0xc20 [ 13.132320][ T38] ? hvc_write+0x3a0/0x3a0 [ 13.132322][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 13.132327][ T38] ? lock_acquire+0x13c/0x160 [ 13.132331][ T38] console_emit_next_record+0x22f/0x4c0 [ 13.132335][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 13.132337][ T38] ? console_flush_one_record+0x106/0x710 [ 13.132340][ T38] ? rcu_is_watching+0x16/0xd0 [ 13.132342][ T38] ? lock_acquire+0x13c/0x160 [ 13.132346][ T38] console_flush_one_record+0x46f/0x710 [ 13.132351][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 13.132353][ T38] ? __lock_acquire+0x518/0xc20 [ 13.132358][ T38] console_unlock+0xee/0x1f0 [ 13.132361][ T38] ? console_flush_one_record+0x710/0x710 [ 13.132363][ T38] ? rcu_is_watching+0x16/0xd0 [ 13.132365][ T38] ? lock_acquire+0xe0/0x160 [ 13.132369][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.132371][ T38] ? vprintk_emit+0x320/0x3e0 [ 13.132373][ T38] vprintk_emit+0x37c/0x3e0 [ 13.132377][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 13.132379][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.132381][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.132385][ T38] _printk+0xc7/0x100 [ 13.132389][ T38] ? snapshot_read.cold+0x21/0x21 [ 13.132394][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 13.132398][ T38] br_set_state+0x22f/0x430 [ 13.132407][ T38] br_init_port+0xc4/0x200 [ 13.132410][ T38] br_stp_enable_port+0x12/0x50 [ 13.132412][ T38] br_port_carrier_check+0x220/0x430 [ 13.132416][ T38] br_device_event+0x52d/0x8f0 [ 13.132419][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 13.132421][ T38] ? nlmsg_notify+0x62/0x250 [ 13.132428][ T38] notifier_call_chain+0xae/0x300 [ 13.132434][ T38] netif_state_change+0x139/0x3d0 [ 13.132438][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 13.132444][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 13.132446][ T38] __linkwatch_run_queue+0x350/0x850 [ 13.132449][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 13.132451][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 13.132456][ T38] linkwatch_event+0x7f/0xb0 [ 13.132458][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 13.132461][ T38] process_one_work+0xe3e/0x1560 [ 13.132468][ T38] ? __queue_delayed_work+0x470/0x470 [ 13.132471][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 13.132479][ T38] worker_thread+0x4f1/0xd60 [ 13.132486][ T38] ? rescuer_thread+0x1340/0x1340 [ 13.132488][ T38] kthread+0x367/0x460 [ 13.132491][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.132494][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 13.132497][ T38] ret_from_fork+0x474/0x6b0 [ 13.132501][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 13.132505][ T38] ? __switch_to+0x5a3/0xe00 [ 13.132508][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 13.132511][ T38] ret_from_fork_asm+0x11/0x20 [ 13.132520][ T38] [ 13.167104][ T38] br: port 2(d2) entered forwarding state [ 13.170564][ T37] br: port 1(d1) entered blocking state [ 13.170789][ T37] br: port 1(d1) entered forwarding state [ 13.254802][ T537] br: port 1(d1) entered disabled state [ 13.330778][ T545] br: port 2(d2) entered disabled state [ 13.413982][ T553] br: port 3(d3) entered disabled state [ 13.744013][ T591] br: port 3(d3) entered blocking state [ 13.744341][ T591] br: port 3(d3) entered forwarding state [ 13.778503][ T593] br: port 2(d2) entered blocking state [ 13.778773][ T593] br: port 2(d2) entered forwarding state [ 13.809027][ T595] br: port 1(d1) entered blocking state [ 13.809348][ T595] br: port 1(d1) entered forwarding state [ 14.574442][ T649] br: port 1(d1) entered disabled state [ 14.574462][ T649] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.574464][ T649] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 649, name: ip [ 14.574465][ T649] preempt_count: 202, expected: 0 [ 14.574466][ T649] RCU nest depth: 0, expected: 0 [ 14.574467][ T649] locks held by ip/649: 6, last CPU#0: [ 14.574469][ T649] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.574481][ T649] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 14.574487][ T649] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.574492][ T649] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.574496][ T649] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.574499][ T649] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.574503][ T649] irq event stamp: 13551 [ 14.574504][ T649] hardirqs last enabled at (13550): [] __down_trylock_console_sem+0x86/0xa0 [ 14.574507][ T649] hardirqs last disabled at (13551): [] console_emit_next_record+0x3d4/0x4c0 [ 14.574510][ T649] softirqs last enabled at (13534): [] ipv6_mc_down+0x134/0x2d0 [ 14.574513][ T649] softirqs last disabled at (13546): [] br_device_event+0x1d7/0x8f0 [ 14.574515][ T649] Preemption disabled at: [ 14.574516][ T649] [<0000000000000000>] 0x0 [ 14.574523][ T649] CPU: 0 UID: 0 PID: 649 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.574526][ T649] Tainted: [W]=WARN [ 14.574527][ T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.574528][ T649] Call Trace: [ 14.574530][ T649] [ 14.574532][ T649] dump_stack_lvl+0x6f/0xa0 [ 14.574539][ T649] __might_resched.cold+0x1fe/0x2c1 [ 14.574543][ T649] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.574547][ T649] ? __kmalloc_noprof+0xdb/0x760 [ 14.574551][ T649] __kmalloc_noprof+0x443/0x760 [ 14.574553][ T649] ? alloc_buf.isra.0+0x4b/0x260 [ 14.574560][ T649] ? do_raw_spin_unlock+0x59/0x250 [ 14.574563][ T649] alloc_buf.isra.0+0x4b/0x260 [ 14.574567][ T649] put_chars+0x1e1/0x2f0 [ 14.574569][ T649] ? __send_to_port+0x420/0x420 [ 14.574575][ T649] hvc_console_print+0x292/0x780 [ 14.574583][ T649] ? hvc_write+0x3a0/0x3a0 [ 14.574586][ T649] ? lock_acquire+0x13c/0x160 [ 14.574591][ T649] console_emit_next_record+0x22f/0x4c0 [ 14.574595][ T649] ? devkmsg_read+0x4b0/0x4b0 [ 14.574597][ T649] ? console_flush_one_record+0x106/0x710 [ 14.574600][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574603][ T649] ? lock_acquire+0x13c/0x160 [ 14.574607][ T649] console_flush_one_record+0x46f/0x710 [ 14.574611][ T649] ? console_emit_next_record+0x4c0/0x4c0 [ 14.574613][ T649] ? __lock_acquire+0x518/0xc20 [ 14.574618][ T649] console_unlock+0xee/0x1f0 [ 14.574621][ T649] ? console_flush_one_record+0x710/0x710 [ 14.574623][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574625][ T649] ? lock_acquire+0xe0/0x160 [ 14.574628][ T649] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.574630][ T649] ? vprintk_emit+0x320/0x3e0 [ 14.574633][ T649] vprintk_emit+0x37c/0x3e0 [ 14.574636][ T649] ? wake_up_klogd_work_func+0x90/0x90 [ 14.574637][ T649] ? mark_held_locks+0x40/0x70 [ 14.574639][ T649] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.574641][ T649] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.574646][ T649] _printk+0xc7/0x100 [ 14.574649][ T649] ? snapshot_read.cold+0x21/0x21 [ 14.574657][ T649] br_set_state+0x22f/0x430 [ 14.574662][ T649] br_stp_disable_port+0x11f/0x390 [ 14.574665][ T649] br_device_event+0x7b5/0x8f0 [ 14.574667][ T649] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.574671][ T649] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.574677][ T649] notifier_call_chain+0xae/0x300 [ 14.574683][ T649] __dev_notify_flags+0x23c/0x450 [ 14.574688][ T649] ? netif_change_name+0x8c0/0x8c0 [ 14.574691][ T649] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.574695][ T649] ? __kernel_text_address+0x12/0x30 [ 14.574697][ T649] ? write_profile+0xf0/0xf0 [ 14.574702][ T649] netif_change_flags+0xfe/0x190 [ 14.574706][ T649] do_setlink.isra.0+0x1d25/0x2a60 [ 14.574709][ T649] ? stack_trace_save+0x93/0xc0 [ 14.574711][ T649] ? rtnl_link_get_size+0x350/0x350 [ 14.574712][ T649] ? rcu_read_lock_any_held+0x66/0x90 [ 14.574714][ T649] ? stack_depot_save_flags+0x38e/0x790 [ 14.574718][ T649] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.574720][ T649] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.574721][ T649] ? validate_chain+0x38b/0xc20 [ 14.574724][ T649] ? kasan_save_stack+0x3d/0x50 [ 14.574726][ T649] ? kasan_save_stack+0x2f/0x50 [ 14.574727][ T649] ? kasan_save_track+0x14/0x30 [ 14.574729][ T649] ? __kasan_kmalloc+0x7b/0x90 [ 14.574731][ T649] ? __lock_acquire+0x518/0xc20 [ 14.574733][ T649] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.574736][ T649] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.574740][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 14.574742][ T649] ? rtnl_newlink+0x9a8/0x11b0 [ 14.574744][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574746][ T649] ? lock_acquire+0x13c/0x160 [ 14.574748][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574749][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574750][ T649] ? trace_contention_end+0xb3/0x180 [ 14.574752][ T649] ? __mutex_lock+0x1db/0x1ea0 [ 14.574754][ T649] ? __mutex_lock+0x9a3/0x1ea0 [ 14.574756][ T649] ? rtnl_newlink+0x9a8/0x11b0 [ 14.574759][ T649] ? ww_mutex_lock+0x160/0x160 [ 14.574763][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574765][ T649] ? __rtnl_newlink+0x3fa/0xa50 [ 14.574770][ T649] rtnl_newlink+0x9f1/0x11b0 [ 14.574776][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 14.574778][ T649] ? __lock_acquire+0x518/0xc20 [ 14.574782][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 14.574784][ T649] ? find_held_lock+0x2b/0x80 [ 14.574786][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 14.574788][ T649] ? __lock_release.isra.0+0x69/0x1a0 [ 14.574792][ T649] ? rtnl_bridge_getlink+0x850/0x850 [ 14.574794][ T649] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.574797][ T649] ? rtnl_link_fill+0x920/0x920 [ 14.574798][ T649] ? __lock_acquire+0x518/0xc20 [ 14.574803][ T649] ? lock_acquire.part.0+0xd4/0x280 [ 14.574805][ T649] ? find_held_lock+0x2b/0x80 [ 14.574808][ T649] netlink_rcv_skb+0x14e/0x3a0 [ 14.574812][ T649] ? rtnl_link_fill+0x920/0x920 [ 14.574815][ T649] ? netlink_ack+0xcf0/0xcf0 [ 14.574821][ T649] ? netlink_deliver_tap+0xc5/0x330 [ 14.574823][ T649] ? netlink_deliver_tap+0x13c/0x330 [ 14.574828][ T649] netlink_unicast+0x486/0x750 [ 14.574832][ T649] ? netlink_attachskb+0x810/0x810 [ 14.574834][ T649] ? find_held_lock+0x2b/0x80 [ 14.574838][ T649] netlink_sendmsg+0x75b/0xc90 [ 14.574842][ T649] ? netlink_unicast+0x750/0x750 [ 14.574846][ T649] ? __lock_release.isra.0+0x69/0x1a0 [ 14.574848][ T649] ? __import_iovec+0x36c/0x620 [ 14.574853][ T649] __sock_sendmsg+0xce/0x190 [ 14.574856][ T649] ____sys_sendmsg+0x61a/0x860 [ 14.574858][ T649] ? copy_msghdr_from_user+0x279/0x420 [ 14.574860][ T649] ? sock_write_iter+0x400/0x400 [ 14.574862][ T649] ? move_addr_to_kernel+0x40/0x40 [ 14.574869][ T649] ___sys_sendmsg+0x14e/0x1d0 [ 14.574872][ T649] ? copy_msghdr_from_user+0x420/0x420 [ 14.574888][ T649] __sys_sendmsg+0x12c/0x1d0 [ 14.574891][ T649] ? __sys_sendmsg_sock+0x20/0x20 [ 14.574897][ T649] ? rcu_is_watching+0x16/0xd0 [ 14.574900][ T649] do_syscall_64+0xff/0x530 [ 14.574903][ T649] ? exc_page_fault+0xee/0x100 [ 14.574906][ T649] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.574909][ T649] RIP: 0033:0x7f27ec28a54e [ 14.574911][ T649] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 14.574913][ T649] RSP: 002b:00007fff8c6b3aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.574916][ T649] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f27ec28a54e [ 14.574917][ T649] RDX: 0000000000000000 RSI: 00007fff8c6b3b50 RDI: 0000000000000005 [ 14.574918][ T649] RBP: 00007fff8c6b3ab0 R08: 0000000000000000 R09: 0000000000000000 [ 14.574919][ T649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cd4 [ 14.574919][ T649] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8c6b4210 [ 14.574926][ T649] [ 14.942504][ T46] br: port 1(d1) entered blocking state [ 14.942765][ T46] br: port 1(d1) entered forwarding state [ 15.030238][ T695] br: port 2(d2) entered disabled state [ 15.353516][ T733] br: port 2(d2) entered blocking state [ 15.353796][ T733] br: port 2(d2) entered forwarding state [ 15.429480][ T741] br: port 1(d1) entered disabled state [ 15.520378][ T749] br: port 2(d2) entered disabled state [ 15.862139][ T787] br: port 2(d2) entered blocking state [ 15.862162][ T787] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.862164][ T787] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 787, name: ip [ 15.862166][ T787] preempt_count: 202, expected: 0 [ 15.862168][ T787] RCU nest depth: 0, expected: 0 [ 15.862169][ T787] locks held by ip/787: 6, last CPU#2: [ 15.862172][ T787] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 15.862187][ T787] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 15.862194][ T787] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.862201][ T787] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.862207][ T787] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.862213][ T787] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 15.862219][ T787] irq event stamp: 18379 [ 15.862220][ T787] hardirqs last enabled at (18378): [] __down_trylock_console_sem+0x86/0xa0 [ 15.862225][ T787] hardirqs last disabled at (18379): [] console_emit_next_record+0x3d4/0x4c0 [ 15.862228][ T787] softirqs last enabled at (18340): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 15.862231][ T787] softirqs last disabled at (18374): [] br_device_event+0x5fd/0x8f0 [ 15.862235][ T787] Preemption disabled at: [ 15.862236][ T787] [<0000000000000000>] 0x0 [ 15.862244][ T787] CPU: 2 UID: 0 PID: 787 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.862248][ T787] Tainted: [W]=WARN [ 15.862249][ T787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.862251][ T787] Call Trace: [ 15.862254][ T787] [ 15.862256][ T787] dump_stack_lvl+0x6f/0xa0 [ 15.862264][ T787] __might_resched.cold+0x1fe/0x2c1 [ 15.862270][ T787] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.862276][ T787] ? __kmalloc_noprof+0xdb/0x760 [ 15.862283][ T787] __kmalloc_noprof+0x443/0x760 [ 15.862286][ T787] ? alloc_buf.isra.0+0x4b/0x260 [ 15.862296][ T787] ? do_raw_spin_unlock+0x59/0x250 [ 15.862300][ T787] alloc_buf.isra.0+0x4b/0x260 [ 15.862306][ T787] put_chars+0x1e1/0x2f0 [ 15.862310][ T787] ? __send_to_port+0x420/0x420 [ 15.862312][ T787] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.862318][ T787] ? validate_chain+0x38b/0xc20 [ 15.862327][ T787] hvc_console_print+0x292/0x780 [ 15.862339][ T787] ? hvc_write+0x3a0/0x3a0 [ 15.862343][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862347][ T787] ? lock_acquire+0x13c/0x160 [ 15.862354][ T787] console_emit_next_record+0x22f/0x4c0 [ 15.862360][ T787] ? devkmsg_read+0x4b0/0x4b0 [ 15.862363][ T787] ? console_flush_one_record+0x106/0x710 [ 15.862368][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862371][ T787] ? lock_acquire+0x13c/0x160 [ 15.862378][ T787] console_flush_one_record+0x46f/0x710 [ 15.862385][ T787] ? console_emit_next_record+0x4c0/0x4c0 [ 15.862388][ T787] ? __lock_acquire+0x518/0xc20 [ 15.862398][ T787] console_unlock+0xee/0x1f0 [ 15.862406][ T787] ? console_flush_one_record+0x710/0x710 [ 15.862408][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862411][ T787] ? lock_acquire+0xe0/0x160 [ 15.862418][ T787] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.862420][ T787] ? vprintk_emit+0x320/0x3e0 [ 15.862425][ T787] vprintk_emit+0x37c/0x3e0 [ 15.862431][ T787] ? wake_up_klogd_work_func+0x90/0x90 [ 15.862434][ T787] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.862438][ T787] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.862445][ T787] _printk+0xc7/0x100 [ 15.862451][ T787] ? snapshot_read.cold+0x21/0x21 [ 15.862459][ T787] ? lock_acquire.part.0+0xd4/0x280 [ 15.862466][ T787] br_set_state+0x22f/0x430 [ 15.862474][ T787] br_init_port+0xc4/0x200 [ 15.862478][ T787] br_stp_enable_port+0x12/0x50 [ 15.862481][ T787] br_device_event+0x605/0x8f0 [ 15.862486][ T787] ? packet_sendmsg_spkt+0x1360/0x1360 [ 15.862488][ T787] ? nlmsg_notify+0x62/0x250 [ 15.862499][ T787] notifier_call_chain+0xae/0x300 [ 15.862509][ T787] __dev_notify_flags+0x1b7/0x450 [ 15.862516][ T787] ? netif_change_name+0x8c0/0x8c0 [ 15.862523][ T787] ? netif_set_allmulti+0x2c0/0x2c0 [ 15.862527][ T787] ? kernel_text_address+0x149/0x170 [ 15.862531][ T787] ? __kernel_text_address+0x12/0x30 [ 15.862534][ T787] ? write_profile+0xf0/0xf0 [ 15.862541][ T787] netif_change_flags+0xfe/0x190 [ 15.862548][ T787] do_setlink.isra.0+0x1d25/0x2a60 [ 15.862554][ T787] ? stack_trace_save+0x93/0xc0 [ 15.862558][ T787] ? rtnl_link_get_size+0x350/0x350 [ 15.862560][ T787] ? rcu_read_lock_any_held+0x66/0x90 [ 15.862563][ T787] ? stack_depot_save_flags+0x38e/0x790 [ 15.862568][ T787] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 15.862574][ T787] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.862577][ T787] ? validate_chain+0x38b/0xc20 [ 15.862581][ T787] ? kasan_save_stack+0x3d/0x50 [ 15.862584][ T787] ? kasan_save_stack+0x2f/0x50 [ 15.862586][ T787] ? kasan_save_track+0x14/0x30 [ 15.862588][ T787] ? __kasan_kmalloc+0x7b/0x90 [ 15.862592][ T787] ? __lock_acquire+0x518/0xc20 [ 15.862595][ T787] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 15.862599][ T787] ? ___sys_sendmsg+0xd0/0x1d0 [ 15.862605][ T787] ? lock_acquire.part.0+0xd4/0x280 [ 15.862609][ T787] ? rtnl_newlink+0x9a8/0x11b0 [ 15.862613][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862616][ T787] ? lock_acquire+0x13c/0x160 [ 15.862619][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862621][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862624][ T787] ? trace_contention_end+0xb3/0x180 [ 15.862628][ T787] ? __mutex_lock+0x1db/0x1ea0 [ 15.862631][ T787] ? __mutex_lock+0x9a3/0x1ea0 [ 15.862634][ T787] ? rtnl_newlink+0x9a8/0x11b0 [ 15.862640][ T787] ? ww_mutex_lock+0x160/0x160 [ 15.862647][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862651][ T787] ? __rtnl_newlink+0x3fa/0xa50 [ 15.862660][ T787] rtnl_newlink+0x9f1/0x11b0 [ 15.862670][ T787] ? rtnl_bridge_getlink+0x850/0x850 [ 15.862673][ T787] ? __lock_acquire+0x518/0xc20 [ 15.862681][ T787] ? lock_acquire.part.0+0xd4/0x280 [ 15.862684][ T787] ? find_held_lock+0x2b/0x80 [ 15.862688][ T787] ? rtnl_bridge_getlink+0x850/0x850 [ 15.862691][ T787] ? __lock_release.isra.0+0x69/0x1a0 [ 15.862697][ T787] ? rtnl_bridge_getlink+0x850/0x850 [ 15.862701][ T787] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 15.862706][ T787] ? rtnl_link_fill+0x920/0x920 [ 15.862708][ T787] ? __lock_acquire+0x518/0xc20 [ 15.862716][ T787] ? lock_acquire.part.0+0xd4/0x280 [ 15.862719][ T787] ? find_held_lock+0x2b/0x80 [ 15.862725][ T787] netlink_rcv_skb+0x14e/0x3a0 [ 15.862729][ T787] ? rtnl_link_fill+0x920/0x920 [ 15.862734][ T787] ? netlink_ack+0xcf0/0xcf0 [ 15.862745][ T787] ? netlink_deliver_tap+0xc5/0x330 [ 15.862748][ T787] ? netlink_deliver_tap+0x13c/0x330 [ 15.862757][ T787] netlink_unicast+0x486/0x750 [ 15.862764][ T787] ? netlink_attachskb+0x810/0x810 [ 15.862768][ T787] ? find_held_lock+0x2b/0x80 [ 15.862776][ T787] netlink_sendmsg+0x75b/0xc90 [ 15.862782][ T787] ? netlink_unicast+0x750/0x750 [ 15.862789][ T787] ? __lock_release.isra.0+0x69/0x1a0 [ 15.862792][ T787] ? __import_iovec+0x36c/0x620 [ 15.862800][ T787] __sock_sendmsg+0xce/0x190 [ 15.862805][ T787] ____sys_sendmsg+0x61a/0x860 [ 15.862809][ T787] ? copy_msghdr_from_user+0x279/0x420 [ 15.862813][ T787] ? sock_write_iter+0x400/0x400 [ 15.862815][ T787] ? move_addr_to_kernel+0x40/0x40 [ 15.862828][ T787] ___sys_sendmsg+0x14e/0x1d0 [ 15.862833][ T787] ? copy_msghdr_from_user+0x420/0x420 [ 15.862863][ T787] __sys_sendmsg+0x12c/0x1d0 [ 15.862868][ T787] ? __sys_sendmsg_sock+0x20/0x20 [ 15.862879][ T787] ? rcu_is_watching+0x16/0xd0 [ 15.862884][ T787] do_syscall_64+0xff/0x530 [ 15.862888][ T787] ? exc_page_fault+0xee/0x100 [ 15.862893][ T787] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.862897][ T787] RIP: 0033:0x7f9466b3a54e [ 15.862902][ T787] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 15.862905][ T787] RSP: 002b:00007fff4c99e750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.862910][ T787] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9466b3a54e [ 15.862912][ T787] RDX: 0000000000000000 RSI: 00007fff4c99e800 RDI: 0000000000000005 [ 15.862913][ T787] RBP: 00007fff4c99e760 R08: 0000000000000000 R09: 0000000000000000 [ 15.862915][ T787] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cd6 [ 15.862916][ T787] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4c99eec0 [ 15.862929][ T787] [ 15.923927][ T787] br: port 2(d2) entered forwarding state [ 15.969670][ T58] br: port 1(d1) entered blocking state [ 15.969913][ T58] br: port 1(d1) entered forwarding state [ 16.056605][ T797] br: port 1(d1) entered disabled state [ 16.137632][ T805] br: port 2(d2) entered disabled state [ 16.211823][ T813] br: port 3(d3) entered disabled state [ 17.266070][ T58] br: port 3(d3) entered blocking state [ 17.266097][ T58] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.266099][ T58] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 58, name: kworker/u20:1 [ 17.266101][ T58] preempt_count: 202, expected: 0 [ 17.266102][ T58] RCU nest depth: 0, expected: 0 [ 17.266103][ T58] locks held by kworker/u20:1/58: 8, last CPU#2: [ 17.266105][ T58] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 17.266118][ T58] #1: ffa00000003efd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 17.266122][ T58] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 17.266127][ T58] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 17.266133][ T58] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.266137][ T58] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.266141][ T58] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.266145][ T58] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.266149][ T58] irq event stamp: 86415 [ 17.266149][ T58] hardirqs last enabled at (86414): [] __down_trylock_console_sem+0x86/0xa0 [ 17.266153][ T58] hardirqs last disabled at (86415): [] console_emit_next_record+0x3d4/0x4c0 [ 17.266155][ T58] softirqs last enabled at (86374): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 17.266157][ T58] softirqs last disabled at (86408): [] br_port_carrier_check+0x161/0x430 [ 17.266160][ T58] Preemption disabled at: [ 17.266161][ T58] [<0000000000000000>] 0x0 [ 17.266168][ T58] CPU: 2 UID: 0 PID: 58 Comm: kworker/u20:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.266171][ T58] Tainted: [W]=WARN [ 17.266172][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.266174][ T58] Workqueue: events_unbound linkwatch_event [ 17.266177][ T58] Call Trace: [ 17.266179][ T58] [ 17.266181][ T58] dump_stack_lvl+0x6f/0xa0 [ 17.266188][ T58] __might_resched.cold+0x1fe/0x2c1 [ 17.266192][ T58] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.266196][ T58] ? __kmalloc_noprof+0xdb/0x760 [ 17.266201][ T58] __kmalloc_noprof+0x443/0x760 [ 17.266203][ T58] ? alloc_buf.isra.0+0x4b/0x260 [ 17.266210][ T58] ? do_raw_spin_unlock+0x59/0x250 [ 17.266213][ T58] alloc_buf.isra.0+0x4b/0x260 [ 17.266216][ T58] put_chars+0x1e1/0x2f0 [ 17.266218][ T58] ? rcu_is_watching+0x16/0xd0 [ 17.266221][ T58] ? __send_to_port+0x420/0x420 [ 17.266224][ T58] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.266226][ T58] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.266229][ T58] ? validate_chain+0x38b/0xc20 [ 17.266233][ T58] hvc_console_print+0x292/0x780 [ 17.266237][ T58] ? mark_usage+0x61/0x170 [ 17.266239][ T58] ? __lock_acquire+0x518/0xc20 [ 17.266241][ T58] ? __lock_acquire+0x518/0xc20 [ 17.266245][ T58] ? hvc_write+0x3a0/0x3a0 [ 17.266247][ T58] ? lock_acquire.part.0+0xd4/0x280 [ 17.266252][ T58] ? lock_acquire+0x13c/0x160 [ 17.266256][ T58] console_emit_next_record+0x22f/0x4c0 [ 17.266260][ T58] ? devkmsg_read+0x4b0/0x4b0 [ 17.266262][ T58] ? console_flush_one_record+0x106/0x710 [ 17.266265][ T58] ? rcu_is_watching+0x16/0xd0 [ 17.266267][ T58] ? lock_acquire+0x13c/0x160 [ 17.266271][ T58] console_flush_one_record+0x46f/0x710 [ 17.266275][ T58] ? console_emit_next_record+0x4c0/0x4c0 [ 17.266277][ T58] ? __lock_acquire+0x518/0xc20 [ 17.266283][ T58] console_unlock+0xee/0x1f0 [ 17.266286][ T58] ? console_flush_one_record+0x710/0x710 [ 17.266288][ T58] ? rcu_is_watching+0x16/0xd0 [ 17.266289][ T58] ? lock_acquire+0xe0/0x160 [ 17.266293][ T58] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.266295][ T58] ? vprintk_emit+0x320/0x3e0 [ 17.266298][ T58] vprintk_emit+0x37c/0x3e0 [ 17.266301][ T58] ? wake_up_klogd_work_func+0x90/0x90 [ 17.266303][ T58] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.266305][ T58] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.266309][ T58] _printk+0xc7/0x100 [ 17.266312][ T58] ? snapshot_read.cold+0x21/0x21 [ 17.266318][ T58] ? lock_acquire.part.0+0xd4/0x280 [ 17.266322][ T58] br_set_state+0x22f/0x430 [ 17.266326][ T58] br_init_port+0xc4/0x200 [ 17.266329][ T58] br_stp_enable_port+0x12/0x50 [ 17.266331][ T58] br_port_carrier_check+0x220/0x430 [ 17.266334][ T58] br_device_event+0x52d/0x8f0 [ 17.266338][ T58] ? packet_sendmsg_spkt+0x1360/0x1360 [ 17.266340][ T58] ? nlmsg_notify+0x62/0x250 [ 17.266347][ T58] notifier_call_chain+0xae/0x300 [ 17.266353][ T58] netif_state_change+0x139/0x3d0 [ 17.266358][ T58] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 17.266363][ T58] ? linkwatch_do_dev+0xae/0xd0 [ 17.266365][ T58] __linkwatch_run_queue+0x350/0x850 [ 17.266368][ T58] ? linkwatch_do_dev+0xd0/0xd0 [ 17.266371][ T58] ? lock_acquire.part.0+0xd4/0x280 [ 17.266375][ T58] linkwatch_event+0x7f/0xb0 [ 17.266378][ T58] ? __linkwatch_run_queue+0x850/0x850 [ 17.266381][ T58] process_one_work+0xe3e/0x1560 [ 17.266388][ T58] ? __queue_delayed_work+0x470/0x470 [ 17.266391][ T58] ? lock_acquire.part.0+0xd4/0x280 [ 17.266399][ T58] worker_thread+0x4f1/0xd60 [ 17.266410][ T58] ? rescuer_thread+0x1340/0x1340 [ 17.266412][ T58] kthread+0x367/0x460 [ 17.266415][ T58] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.266418][ T58] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.266421][ T58] ret_from_fork+0x474/0x6b0 [ 17.266425][ T58] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 17.266429][ T58] ? __switch_to+0x5a3/0xe00 [ 17.266432][ T58] ? kthread_affine_preferred+0x4c0/0x4c0 [ 17.266435][ T58] ret_from_fork_asm+0x11/0x20 [ 17.266444][ T58] [ 17.293260][ T58] br: port 3(d3) entered forwarding state [ 17.303678][ T58] br: port 2(d2) entered blocking state [ 17.304021][ T58] br: port 2(d2) entered forwarding state [ 17.343504][ T58] br: port 1(d1) entered blocking state [ 17.343806][ T58] br: port 1(d1) entered forwarding state [ 18.154819][ T975] br: port 1(d1) entered disabled state [ 18.480463][ T1013] br: port 1(d1) entered blocking state [ 18.480484][ T1013] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 18.480486][ T1013] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1013, name: ip [ 18.480488][ T1013] preempt_count: 202, expected: 0 [ 18.480489][ T1013] RCU nest depth: 0, expected: 0 [ 18.480490][ T1013] locks held by ip/1013: 6, last CPU#3: [ 18.480492][ T1013] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 18.480504][ T1013] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 18.480510][ T1013] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 18.480515][ T1013] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 18.480518][ T1013] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 18.480522][ T1013] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 18.480526][ T1013] irq event stamp: 17245 [ 18.480527][ T1013] hardirqs last enabled at (17244): [] __down_trylock_console_sem+0x86/0xa0 [ 18.480530][ T1013] hardirqs last disabled at (17245): [] console_emit_next_record+0x3d4/0x4c0 [ 18.480532][ T1013] softirqs last enabled at (17206): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 18.480535][ T1013] softirqs last disabled at (17240): [] br_device_event+0x5fd/0x8f0 [ 18.480537][ T1013] Preemption disabled at: [ 18.480538][ T1013] [<0000000000000000>] 0x0 [ 18.480545][ T1013] CPU: 3 UID: 0 PID: 1013 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 18.480548][ T1013] Tainted: [W]=WARN [ 18.480549][ T1013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.480551][ T1013] Call Trace: [ 18.480553][ T1013] [ 18.480554][ T1013] dump_stack_lvl+0x6f/0xa0 [ 18.480561][ T1013] __might_resched.cold+0x1fe/0x2c1 [ 18.480565][ T1013] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 18.480570][ T1013] ? __kmalloc_noprof+0xdb/0x760 [ 18.480574][ T1013] __kmalloc_noprof+0x443/0x760 [ 18.480576][ T1013] ? alloc_buf.isra.0+0x4b/0x260 [ 18.480583][ T1013] ? do_raw_spin_unlock+0x59/0x250 [ 18.480585][ T1013] alloc_buf.isra.0+0x4b/0x260 [ 18.480590][ T1013] put_chars+0x1e1/0x2f0 [ 18.480592][ T1013] ? __send_to_port+0x420/0x420 [ 18.480593][ T1013] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.480597][ T1013] ? validate_chain+0x38b/0xc20 [ 18.480602][ T1013] hvc_console_print+0x292/0x780 [ 18.480610][ T1013] ? hvc_write+0x3a0/0x3a0 [ 18.480613][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480615][ T1013] ? lock_acquire+0x13c/0x160 [ 18.480619][ T1013] console_emit_next_record+0x22f/0x4c0 [ 18.480623][ T1013] ? devkmsg_read+0x4b0/0x4b0 [ 18.480624][ T1013] ? console_flush_one_record+0x106/0x710 [ 18.480627][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480629][ T1013] ? lock_acquire+0x13c/0x160 [ 18.480633][ T1013] console_flush_one_record+0x46f/0x710 [ 18.480637][ T1013] ? console_emit_next_record+0x4c0/0x4c0 [ 18.480639][ T1013] ? __lock_acquire+0x518/0xc20 [ 18.480645][ T1013] console_unlock+0xee/0x1f0 [ 18.480648][ T1013] ? console_flush_one_record+0x710/0x710 [ 18.480649][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480651][ T1013] ? lock_acquire+0xe0/0x160 [ 18.480655][ T1013] ? __down_trylock_console_sem+0x5e/0xa0 [ 18.480656][ T1013] ? vprintk_emit+0x320/0x3e0 [ 18.480659][ T1013] vprintk_emit+0x37c/0x3e0 [ 18.480662][ T1013] ? wake_up_klogd_work_func+0x90/0x90 [ 18.480664][ T1013] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.480666][ T1013] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.480671][ T1013] _printk+0xc7/0x100 [ 18.480675][ T1013] ? snapshot_read.cold+0x21/0x21 [ 18.480680][ T1013] ? lock_acquire.part.0+0xd4/0x280 [ 18.480684][ T1013] br_set_state+0x22f/0x430 [ 18.480688][ T1013] br_init_port+0xc4/0x200 [ 18.480691][ T1013] br_stp_enable_port+0x12/0x50 [ 18.480692][ T1013] br_device_event+0x605/0x8f0 [ 18.480695][ T1013] ? packet_sendmsg_spkt+0x1360/0x1360 [ 18.480697][ T1013] ? nlmsg_notify+0x62/0x250 [ 18.480704][ T1013] notifier_call_chain+0xae/0x300 [ 18.480710][ T1013] __dev_notify_flags+0x1b7/0x450 [ 18.480715][ T1013] ? netif_change_name+0x8c0/0x8c0 [ 18.480719][ T1013] ? netif_set_allmulti+0x2c0/0x2c0 [ 18.480721][ T1013] ? kernel_text_address+0x149/0x170 [ 18.480724][ T1013] ? __kernel_text_address+0x12/0x30 [ 18.480725][ T1013] ? write_profile+0xf0/0xf0 [ 18.480730][ T1013] netif_change_flags+0xfe/0x190 [ 18.480734][ T1013] do_setlink.isra.0+0x1d25/0x2a60 [ 18.480738][ T1013] ? stack_trace_save+0x93/0xc0 [ 18.480740][ T1013] ? rtnl_link_get_size+0x350/0x350 [ 18.480741][ T1013] ? rcu_read_lock_any_held+0x66/0x90 [ 18.480743][ T1013] ? stack_depot_save_flags+0x38e/0x790 [ 18.480746][ T1013] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 18.480748][ T1013] ? rcu_read_lock_any_held+0x3c/0x90 [ 18.480750][ T1013] ? validate_chain+0x38b/0xc20 [ 18.480752][ T1013] ? kasan_save_stack+0x3d/0x50 [ 18.480755][ T1013] ? kasan_save_stack+0x2f/0x50 [ 18.480756][ T1013] ? kasan_save_track+0x14/0x30 [ 18.480757][ T1013] ? __kasan_kmalloc+0x7b/0x90 [ 18.480759][ T1013] ? __lock_acquire+0x518/0xc20 [ 18.480761][ T1013] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 18.480764][ T1013] ? ___sys_sendmsg+0xd0/0x1d0 [ 18.480768][ T1013] ? lock_acquire.part.0+0xd4/0x280 [ 18.480770][ T1013] ? rtnl_newlink+0x9a8/0x11b0 [ 18.480773][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480775][ T1013] ? lock_acquire+0x13c/0x160 [ 18.480776][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480777][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480779][ T1013] ? trace_contention_end+0xb3/0x180 [ 18.480781][ T1013] ? __mutex_lock+0x1db/0x1ea0 [ 18.480784][ T1013] ? __mutex_lock+0x9a3/0x1ea0 [ 18.480786][ T1013] ? rtnl_newlink+0x9a8/0x11b0 [ 18.480789][ T1013] ? ww_mutex_lock+0x160/0x160 [ 18.480792][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480795][ T1013] ? __rtnl_newlink+0x3fa/0xa50 [ 18.480800][ T1013] rtnl_newlink+0x9f1/0x11b0 [ 18.480805][ T1013] ? rtnl_bridge_getlink+0x850/0x850 [ 18.480807][ T1013] ? __lock_acquire+0x518/0xc20 [ 18.480812][ T1013] ? lock_acquire.part.0+0xd4/0x280 [ 18.480813][ T1013] ? find_held_lock+0x2b/0x80 [ 18.480816][ T1013] ? rtnl_bridge_getlink+0x850/0x850 [ 18.480818][ T1013] ? __lock_release.isra.0+0x69/0x1a0 [ 18.480821][ T1013] ? rtnl_bridge_getlink+0x850/0x850 [ 18.480823][ T1013] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 18.480826][ T1013] ? rtnl_link_fill+0x920/0x920 [ 18.480828][ T1013] ? __lock_acquire+0x518/0xc20 [ 18.480832][ T1013] ? lock_acquire.part.0+0xd4/0x280 [ 18.480834][ T1013] ? find_held_lock+0x2b/0x80 [ 18.480838][ T1013] netlink_rcv_skb+0x14e/0x3a0 [ 18.480840][ T1013] ? rtnl_link_fill+0x920/0x920 [ 18.480843][ T1013] ? netlink_ack+0xcf0/0xcf0 [ 18.480849][ T1013] ? netlink_deliver_tap+0xc5/0x330 [ 18.480851][ T1013] ? netlink_deliver_tap+0x13c/0x330 [ 18.480856][ T1013] netlink_unicast+0x486/0x750 [ 18.480860][ T1013] ? netlink_attachskb+0x810/0x810 [ 18.480862][ T1013] ? find_held_lock+0x2b/0x80 [ 18.480866][ T1013] netlink_sendmsg+0x75b/0xc90 [ 18.480870][ T1013] ? netlink_unicast+0x750/0x750 [ 18.480874][ T1013] ? __lock_release.isra.0+0x69/0x1a0 [ 18.480876][ T1013] ? __import_iovec+0x36c/0x620 [ 18.480881][ T1013] __sock_sendmsg+0xce/0x190 [ 18.480884][ T1013] ____sys_sendmsg+0x61a/0x860 [ 18.480886][ T1013] ? copy_msghdr_from_user+0x279/0x420 [ 18.480889][ T1013] ? sock_write_iter+0x400/0x400 [ 18.480890][ T1013] ? move_addr_to_kernel+0x40/0x40 [ 18.480897][ T1013] ___sys_sendmsg+0x14e/0x1d0 [ 18.480900][ T1013] ? copy_msghdr_from_user+0x420/0x420 [ 18.480916][ T1013] __sys_sendmsg+0x12c/0x1d0 [ 18.480919][ T1013] ? __sys_sendmsg_sock+0x20/0x20 [ 18.480925][ T1013] ? rcu_is_watching+0x16/0xd0 [ 18.480928][ T1013] do_syscall_64+0xff/0x530 [ 18.480931][ T1013] ? exc_page_fault+0xee/0x100 [ 18.480934][ T1013] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.480936][ T1013] RIP: 0033:0x7f99bf90d54e [ 18.480938][ T1013] 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 [ 18.480940][ T1013] RSP: 002b:00007ffebca92f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.480943][ T1013] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f99bf90d54e [ 18.480944][ T1013] RDX: 0000000000000000 RSI: 00007ffebca93030 RDI: 0000000000000005 [ 18.480945][ T1013] RBP: 00007ffebca92f90 R08: 0000000000000000 R09: 0000000000000000 [ 18.480946][ T1013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cd8 [ 18.480947][ T1013] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebca936f0 [ 18.480954][ T1013] [ 18.519347][ T1013] br: port 1(d1) entered forwarding state [ 18.600395][ T1021] br: port 2(d2) entered disabled state [ 18.966099][ T1059] br: port 2(d2) entered blocking state [ 18.966566][ T1059] br: port 2(d2) entered forwarding state [ 19.066041][ T1067] br: port 1(d1) entered disabled state [ 19.182631][ T1075] br: port 2(d2) entered disabled state [ 19.570549][ T1113] br: port 2(d2) entered blocking state [ 19.570569][ T1113] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.570572][ T1113] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1113, name: ip [ 19.570573][ T1113] preempt_count: 202, expected: 0 [ 19.570574][ T1113] RCU nest depth: 0, expected: 0 [ 19.570575][ T1113] locks held by ip/1113: 6, last CPU#3: [ 19.570577][ T1113] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 19.570589][ T1113] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 19.570595][ T1113] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 19.570600][ T1113] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 19.570604][ T1113] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 19.570608][ T1113] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 19.570612][ T1113] irq event stamp: 21745 [ 19.570613][ T1113] hardirqs last enabled at (21744): [] __down_trylock_console_sem+0x86/0xa0 [ 19.570616][ T1113] hardirqs last disabled at (21745): [] console_emit_next_record+0x3d4/0x4c0 [ 19.570618][ T1113] softirqs last enabled at (21706): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 19.570620][ T1113] softirqs last disabled at (21740): [] br_device_event+0x5fd/0x8f0 [ 19.570623][ T1113] Preemption disabled at: [ 19.570623][ T1113] [<0000000000000000>] 0x0 [ 19.570630][ T1113] CPU: 3 UID: 0 PID: 1113 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.570634][ T1113] Tainted: [W]=WARN [ 19.570634][ T1113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.570636][ T1113] Call Trace: [ 19.570637][ T1113] [ 19.570639][ T1113] dump_stack_lvl+0x6f/0xa0 [ 19.570646][ T1113] __might_resched.cold+0x1fe/0x2c1 [ 19.570650][ T1113] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.570654][ T1113] ? __kmalloc_noprof+0xdb/0x760 [ 19.570658][ T1113] __kmalloc_noprof+0x443/0x760 [ 19.570660][ T1113] ? alloc_buf.isra.0+0x4b/0x260 [ 19.570667][ T1113] ? do_raw_spin_unlock+0x59/0x250 [ 19.570670][ T1113] alloc_buf.isra.0+0x4b/0x260 [ 19.570674][ T1113] put_chars+0x1e1/0x2f0 [ 19.570676][ T1113] ? __send_to_port+0x420/0x420 [ 19.570677][ T1113] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.570681][ T1113] ? validate_chain+0x38b/0xc20 [ 19.570686][ T1113] hvc_console_print+0x292/0x780 [ 19.570694][ T1113] ? hvc_write+0x3a0/0x3a0 [ 19.570697][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570699][ T1113] ? lock_acquire+0x13c/0x160 [ 19.570703][ T1113] console_emit_next_record+0x22f/0x4c0 [ 19.570707][ T1113] ? devkmsg_read+0x4b0/0x4b0 [ 19.570708][ T1113] ? console_flush_one_record+0x106/0x710 [ 19.570712][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570713][ T1113] ? lock_acquire+0x13c/0x160 [ 19.570717][ T1113] console_flush_one_record+0x46f/0x710 [ 19.570721][ T1113] ? console_emit_next_record+0x4c0/0x4c0 [ 19.570723][ T1113] ? __lock_acquire+0x518/0xc20 [ 19.570729][ T1113] console_unlock+0xee/0x1f0 [ 19.570732][ T1113] ? console_flush_one_record+0x710/0x710 [ 19.570733][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570735][ T1113] ? lock_acquire+0xe0/0x160 [ 19.570739][ T1113] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.570740][ T1113] ? vprintk_emit+0x320/0x3e0 [ 19.570743][ T1113] vprintk_emit+0x37c/0x3e0 [ 19.570746][ T1113] ? wake_up_klogd_work_func+0x90/0x90 [ 19.570749][ T1113] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.570750][ T1113] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.570755][ T1113] _printk+0xc7/0x100 [ 19.570759][ T1113] ? snapshot_read.cold+0x21/0x21 [ 19.570764][ T1113] ? lock_acquire.part.0+0xd4/0x280 [ 19.570768][ T1113] br_set_state+0x22f/0x430 [ 19.570773][ T1113] br_init_port+0xc4/0x200 [ 19.570775][ T1113] br_stp_enable_port+0x12/0x50 [ 19.570777][ T1113] br_device_event+0x605/0x8f0 [ 19.570780][ T1113] ? packet_sendmsg_spkt+0x1360/0x1360 [ 19.570781][ T1113] ? nlmsg_notify+0x62/0x250 [ 19.570788][ T1113] notifier_call_chain+0xae/0x300 [ 19.570794][ T1113] __dev_notify_flags+0x1b7/0x450 [ 19.570799][ T1113] ? netif_change_name+0x8c0/0x8c0 [ 19.570803][ T1113] ? netif_set_allmulti+0x2c0/0x2c0 [ 19.570805][ T1113] ? kernel_text_address+0x149/0x170 [ 19.570808][ T1113] ? __kernel_text_address+0x12/0x30 [ 19.570810][ T1113] ? write_profile+0xf0/0xf0 [ 19.570815][ T1113] netif_change_flags+0xfe/0x190 [ 19.570818][ T1113] do_setlink.isra.0+0x1d25/0x2a60 [ 19.570822][ T1113] ? stack_trace_save+0x93/0xc0 [ 19.570824][ T1113] ? rtnl_link_get_size+0x350/0x350 [ 19.570825][ T1113] ? rcu_read_lock_any_held+0x66/0x90 [ 19.570827][ T1113] ? stack_depot_save_flags+0x38e/0x790 [ 19.570831][ T1113] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 19.570832][ T1113] ? rcu_read_lock_any_held+0x3c/0x90 [ 19.570834][ T1113] ? validate_chain+0x38b/0xc20 [ 19.570837][ T1113] ? kasan_save_stack+0x3d/0x50 [ 19.570839][ T1113] ? kasan_save_stack+0x2f/0x50 [ 19.570840][ T1113] ? kasan_save_track+0x14/0x30 [ 19.570841][ T1113] ? __kasan_kmalloc+0x7b/0x90 [ 19.570844][ T1113] ? __lock_acquire+0x518/0xc20 [ 19.570846][ T1113] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 19.570849][ T1113] ? ___sys_sendmsg+0xd0/0x1d0 [ 19.570852][ T1113] ? lock_acquire.part.0+0xd4/0x280 [ 19.570854][ T1113] ? rtnl_newlink+0x9a8/0x11b0 [ 19.570857][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570859][ T1113] ? lock_acquire+0x13c/0x160 [ 19.570860][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570861][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570863][ T1113] ? trace_contention_end+0xb3/0x180 [ 19.570865][ T1113] ? __mutex_lock+0x1db/0x1ea0 [ 19.570868][ T1113] ? __mutex_lock+0x9a3/0x1ea0 [ 19.570870][ T1113] ? rtnl_newlink+0x9a8/0x11b0 [ 19.570873][ T1113] ? ww_mutex_lock+0x160/0x160 [ 19.570877][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.570879][ T1113] ? __rtnl_newlink+0x3fa/0xa50 [ 19.570884][ T1113] rtnl_newlink+0x9f1/0x11b0 [ 19.570890][ T1113] ? rtnl_bridge_getlink+0x850/0x850 [ 19.570891][ T1113] ? __lock_acquire+0x518/0xc20 [ 19.570896][ T1113] ? lock_acquire.part.0+0xd4/0x280 [ 19.570898][ T1113] ? find_held_lock+0x2b/0x80 [ 19.570900][ T1113] ? rtnl_bridge_getlink+0x850/0x850 [ 19.570902][ T1113] ? __lock_release.isra.0+0x69/0x1a0 [ 19.570906][ T1113] ? rtnl_bridge_getlink+0x850/0x850 [ 19.570908][ T1113] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 19.570911][ T1113] ? rtnl_link_fill+0x920/0x920 [ 19.570912][ T1113] ? __lock_acquire+0x518/0xc20 [ 19.570917][ T1113] ? lock_acquire.part.0+0xd4/0x280 [ 19.570919][ T1113] ? find_held_lock+0x2b/0x80 [ 19.570922][ T1113] netlink_rcv_skb+0x14e/0x3a0 [ 19.570924][ T1113] ? rtnl_link_fill+0x920/0x920 [ 19.570927][ T1113] ? netlink_ack+0xcf0/0xcf0 [ 19.570934][ T1113] ? netlink_deliver_tap+0xc5/0x330 [ 19.570936][ T1113] ? netlink_deliver_tap+0x13c/0x330 [ 19.570940][ T1113] netlink_unicast+0x486/0x750 [ 19.570944][ T1113] ? netlink_attachskb+0x810/0x810 [ 19.570947][ T1113] ? find_held_lock+0x2b/0x80 [ 19.570951][ T1113] netlink_sendmsg+0x75b/0xc90 [ 19.570955][ T1113] ? netlink_unicast+0x750/0x750 [ 19.570959][ T1113] ? __lock_release.isra.0+0x69/0x1a0 [ 19.570960][ T1113] ? __import_iovec+0x36c/0x620 [ 19.570966][ T1113] __sock_sendmsg+0xce/0x190 [ 19.570969][ T1113] ____sys_sendmsg+0x61a/0x860 [ 19.570971][ T1113] ? copy_msghdr_from_user+0x279/0x420 [ 19.570973][ T1113] ? sock_write_iter+0x400/0x400 [ 19.570975][ T1113] ? move_addr_to_kernel+0x40/0x40 [ 19.570982][ T1113] ___sys_sendmsg+0x14e/0x1d0 [ 19.570985][ T1113] ? copy_msghdr_from_user+0x420/0x420 [ 19.571001][ T1113] __sys_sendmsg+0x12c/0x1d0 [ 19.571004][ T1113] ? __sys_sendmsg_sock+0x20/0x20 [ 19.571010][ T1113] ? rcu_is_watching+0x16/0xd0 [ 19.571013][ T1113] do_syscall_64+0xff/0x530 [ 19.571016][ T1113] ? exc_page_fault+0xee/0x100 [ 19.571019][ T1113] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.571021][ T1113] RIP: 0033:0x7f8cd941154e [ 19.571023][ T1113] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 19.571025][ T1113] RSP: 002b:00007fff542287f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.571027][ T1113] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8cd941154e [ 19.571029][ T1113] RDX: 0000000000000000 RSI: 00007fff542288a0 RDI: 0000000000000005 [ 19.571030][ T1113] RBP: 00007fff54228800 R08: 0000000000000000 R09: 0000000000000000 [ 19.571031][ T1113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cd9 [ 19.571031][ T1113] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff54228f60 [ 19.571038][ T1113] [ 19.619123][ T1113] br: port 2(d2) entered forwarding state [ 19.681269][ T36] br: port 1(d1) entered blocking state [ 19.681530][ T36] br: port 1(d1) entered forwarding state [ 19.763408][ T1123] br: port 1(d1) entered disabled state [ 19.881015][ T1131] br: port 2(d2) entered disabled state [ 19.989505][ T1139] br: port 3(d3) entered disabled state [ 20.352542][ T38] br: port 3(d3) entered blocking state [ 20.352803][ T38] br: port 3(d3) entered forwarding state [ 20.405549][ T46] br: port 2(d2) entered blocking state [ 20.405924][ T46] br: port 2(d2) entered forwarding state [ 20.444633][ T58] br: port 1(d1) entered blocking state [ 20.444894][ T58] br: port 1(d1) entered forwarding state [ 21.353536][ T1238] br: port 1(d1) entered disabled state [ 21.353556][ T1238] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.353558][ T1238] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1238, name: ip [ 21.353559][ T1238] preempt_count: 202, expected: 0 [ 21.353560][ T1238] RCU nest depth: 0, expected: 0 [ 21.353561][ T1238] locks held by ip/1238: 6, last CPU#3: [ 21.353563][ T1238] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 21.353575][ T1238] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 21.353580][ T1238] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.353585][ T1238] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.353589][ T1238] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.353593][ T1238] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.353597][ T1238] irq event stamp: 12721 [ 21.353598][ T1238] hardirqs last enabled at (12720): [] __down_trylock_console_sem+0x86/0xa0 [ 21.353601][ T1238] hardirqs last disabled at (12721): [] console_emit_next_record+0x3d4/0x4c0 [ 21.353603][ T1238] softirqs last enabled at (12704): [] ipv6_mc_down+0x134/0x2d0 [ 21.353606][ T1238] softirqs last disabled at (12716): [] br_device_event+0x1d7/0x8f0 [ 21.353609][ T1238] Preemption disabled at: [ 21.353609][ T1238] [<0000000000000000>] 0x0 [ 21.353616][ T1238] CPU: 3 UID: 0 PID: 1238 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.353620][ T1238] Tainted: [W]=WARN [ 21.353621][ T1238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.353622][ T1238] Call Trace: [ 21.353624][ T1238] [ 21.353625][ T1238] dump_stack_lvl+0x6f/0xa0 [ 21.353632][ T1238] __might_resched.cold+0x1fe/0x2c1 [ 21.353636][ T1238] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.353641][ T1238] ? __kmalloc_noprof+0xdb/0x760 [ 21.353645][ T1238] __kmalloc_noprof+0x443/0x760 [ 21.353647][ T1238] ? alloc_buf.isra.0+0x4b/0x260 [ 21.353653][ T1238] ? do_raw_spin_unlock+0x59/0x250 [ 21.353656][ T1238] alloc_buf.isra.0+0x4b/0x260 [ 21.353660][ T1238] put_chars+0x1e1/0x2f0 [ 21.353662][ T1238] ? __send_to_port+0x420/0x420 [ 21.353669][ T1238] hvc_console_print+0x292/0x780 [ 21.353676][ T1238] ? hvc_write+0x3a0/0x3a0 [ 21.353679][ T1238] ? lock_acquire+0x13c/0x160 [ 21.353684][ T1238] console_emit_next_record+0x22f/0x4c0 [ 21.353688][ T1238] ? devkmsg_read+0x4b0/0x4b0 [ 21.353690][ T1238] ? console_flush_one_record+0x106/0x710 [ 21.353693][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353696][ T1238] ? lock_acquire+0x13c/0x160 [ 21.353700][ T1238] console_flush_one_record+0x46f/0x710 [ 21.353704][ T1238] ? console_emit_next_record+0x4c0/0x4c0 [ 21.353706][ T1238] ? __lock_acquire+0x518/0xc20 [ 21.353711][ T1238] console_unlock+0xee/0x1f0 [ 21.353714][ T1238] ? console_flush_one_record+0x710/0x710 [ 21.353716][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353717][ T1238] ? lock_acquire+0xe0/0x160 [ 21.353721][ T1238] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.353723][ T1238] ? vprintk_emit+0x320/0x3e0 [ 21.353726][ T1238] vprintk_emit+0x37c/0x3e0 [ 21.353729][ T1238] ? wake_up_klogd_work_func+0x90/0x90 [ 21.353730][ T1238] ? mark_held_locks+0x40/0x70 [ 21.353732][ T1238] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.353735][ T1238] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.353739][ T1238] _printk+0xc7/0x100 [ 21.353743][ T1238] ? snapshot_read.cold+0x21/0x21 [ 21.353750][ T1238] br_set_state+0x22f/0x430 [ 21.353755][ T1238] br_stp_disable_port+0x11f/0x390 [ 21.353758][ T1238] br_device_event+0x7b5/0x8f0 [ 21.353760][ T1238] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 21.353765][ T1238] ? packet_sendmsg_spkt+0x1360/0x1360 [ 21.353770][ T1238] notifier_call_chain+0xae/0x300 [ 21.353776][ T1238] __dev_notify_flags+0x23c/0x450 [ 21.353781][ T1238] ? netif_change_name+0x8c0/0x8c0 [ 21.353785][ T1238] ? netif_set_allmulti+0x2c0/0x2c0 [ 21.353788][ T1238] ? __kernel_text_address+0x12/0x30 [ 21.353790][ T1238] ? write_profile+0xf0/0xf0 [ 21.353795][ T1238] netif_change_flags+0xfe/0x190 [ 21.353799][ T1238] do_setlink.isra.0+0x1d25/0x2a60 [ 21.353802][ T1238] ? stack_trace_save+0x93/0xc0 [ 21.353805][ T1238] ? rtnl_link_get_size+0x350/0x350 [ 21.353806][ T1238] ? rcu_read_lock_any_held+0x66/0x90 [ 21.353808][ T1238] ? stack_depot_save_flags+0x38e/0x790 [ 21.353811][ T1238] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.353813][ T1238] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.353815][ T1238] ? validate_chain+0x38b/0xc20 [ 21.353818][ T1238] ? kasan_save_stack+0x3d/0x50 [ 21.353820][ T1238] ? kasan_save_stack+0x2f/0x50 [ 21.353821][ T1238] ? kasan_save_track+0x14/0x30 [ 21.353822][ T1238] ? __kasan_kmalloc+0x7b/0x90 [ 21.353825][ T1238] ? __lock_acquire+0x518/0xc20 [ 21.353827][ T1238] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 21.353830][ T1238] ? ___sys_sendmsg+0xd0/0x1d0 [ 21.353833][ T1238] ? lock_acquire.part.0+0xd4/0x280 [ 21.353835][ T1238] ? rtnl_newlink+0x9a8/0x11b0 [ 21.353838][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353840][ T1238] ? lock_acquire+0x13c/0x160 [ 21.353841][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353842][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353844][ T1238] ? trace_contention_end+0xb3/0x180 [ 21.353846][ T1238] ? __mutex_lock+0x1db/0x1ea0 [ 21.353848][ T1238] ? __mutex_lock+0x9a3/0x1ea0 [ 21.353849][ T1238] ? rtnl_newlink+0x9a8/0x11b0 [ 21.353853][ T1238] ? ww_mutex_lock+0x160/0x160 [ 21.353856][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353859][ T1238] ? __rtnl_newlink+0x3fa/0xa50 [ 21.353864][ T1238] rtnl_newlink+0x9f1/0x11b0 [ 21.353869][ T1238] ? rtnl_bridge_getlink+0x850/0x850 [ 21.353871][ T1238] ? __lock_acquire+0x518/0xc20 [ 21.353875][ T1238] ? lock_acquire.part.0+0xd4/0x280 [ 21.353877][ T1238] ? find_held_lock+0x2b/0x80 [ 21.353880][ T1238] ? rtnl_bridge_getlink+0x850/0x850 [ 21.353881][ T1238] ? __lock_release.isra.0+0x69/0x1a0 [ 21.353885][ T1238] ? rtnl_bridge_getlink+0x850/0x850 [ 21.353887][ T1238] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 21.353890][ T1238] ? rtnl_link_fill+0x920/0x920 [ 21.353892][ T1238] ? __lock_acquire+0x518/0xc20 [ 21.353896][ T1238] ? lock_acquire.part.0+0xd4/0x280 [ 21.353898][ T1238] ? find_held_lock+0x2b/0x80 [ 21.353901][ T1238] netlink_rcv_skb+0x14e/0x3a0 [ 21.353905][ T1238] ? rtnl_link_fill+0x920/0x920 [ 21.353908][ T1238] ? netlink_ack+0xcf0/0xcf0 [ 21.353914][ T1238] ? netlink_deliver_tap+0xc5/0x330 [ 21.353916][ T1238] ? netlink_deliver_tap+0x13c/0x330 [ 21.353921][ T1238] netlink_unicast+0x486/0x750 [ 21.353925][ T1238] ? netlink_attachskb+0x810/0x810 [ 21.353927][ T1238] ? find_held_lock+0x2b/0x80 [ 21.353931][ T1238] netlink_sendmsg+0x75b/0xc90 [ 21.353935][ T1238] ? netlink_unicast+0x750/0x750 [ 21.353939][ T1238] ? __lock_release.isra.0+0x69/0x1a0 [ 21.353941][ T1238] ? __import_iovec+0x36c/0x620 [ 21.353946][ T1238] __sock_sendmsg+0xce/0x190 [ 21.353949][ T1238] ____sys_sendmsg+0x61a/0x860 [ 21.353951][ T1238] ? copy_msghdr_from_user+0x279/0x420 [ 21.353954][ T1238] ? sock_write_iter+0x400/0x400 [ 21.353955][ T1238] ? move_addr_to_kernel+0x40/0x40 [ 21.353963][ T1238] ___sys_sendmsg+0x14e/0x1d0 [ 21.353965][ T1238] ? copy_msghdr_from_user+0x420/0x420 [ 21.353981][ T1238] __sys_sendmsg+0x12c/0x1d0 [ 21.353984][ T1238] ? __sys_sendmsg_sock+0x20/0x20 [ 21.353991][ T1238] ? rcu_is_watching+0x16/0xd0 [ 21.353994][ T1238] do_syscall_64+0xff/0x530 [ 21.353996][ T1238] ? exc_page_fault+0xee/0x100 [ 21.353999][ T1238] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.354002][ T1238] RIP: 0033:0x7f0d1f19f54e [ 21.354004][ T1238] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 21.354005][ T1238] RSP: 002b:00007fff8bed2b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.354008][ T1238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0d1f19f54e [ 21.354010][ T1238] RDX: 0000000000000000 RSI: 00007fff8bed2c10 RDI: 0000000000000005 [ 21.354011][ T1238] RBP: 00007fff8bed2b70 R08: 0000000000000000 R09: 0000000000000000 [ 21.354011][ T1238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cdb [ 21.354012][ T1238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8bed32d0 [ 21.354019][ T1238] [ 21.809180][ T1276] br: port 1(d1) entered blocking state [ 21.809617][ T1276] br: port 1(d1) entered forwarding state [ 21.917976][ T1284] br: port 2(d2) entered disabled state [ 22.329588][ T58] br: port 2(d2) entered blocking state [ 22.329850][ T58] br: port 2(d2) entered forwarding state [ 22.412105][ T1330] br: port 1(d1) entered disabled state [ 22.412125][ T1330] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.412127][ T1330] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1330, name: ip [ 22.412128][ T1330] preempt_count: 202, expected: 0 [ 22.412129][ T1330] RCU nest depth: 0, expected: 0 [ 22.412130][ T1330] locks held by ip/1330: 6, last CPU#0: [ 22.412132][ T1330] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 22.412144][ T1330] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 22.412150][ T1330] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.412155][ T1330] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.412159][ T1330] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.412163][ T1330] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.412167][ T1330] irq event stamp: 15281 [ 22.412168][ T1330] hardirqs last enabled at (15280): [] __down_trylock_console_sem+0x86/0xa0 [ 22.412171][ T1330] hardirqs last disabled at (15281): [] console_emit_next_record+0x3d4/0x4c0 [ 22.412173][ T1330] softirqs last enabled at (15264): [] ipv6_mc_down+0x134/0x2d0 [ 22.412177][ T1330] softirqs last disabled at (15276): [] br_device_event+0x1d7/0x8f0 [ 22.412179][ T1330] Preemption disabled at: [ 22.412180][ T1330] [<0000000000000000>] 0x0 [ 22.412187][ T1330] CPU: 0 UID: 0 PID: 1330 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.412190][ T1330] Tainted: [W]=WARN [ 22.412191][ T1330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.412192][ T1330] Call Trace: [ 22.412194][ T1330] [ 22.412195][ T1330] dump_stack_lvl+0x6f/0xa0 [ 22.412202][ T1330] __might_resched.cold+0x1fe/0x2c1 [ 22.412207][ T1330] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.412211][ T1330] ? __kmalloc_noprof+0xdb/0x760 [ 22.412216][ T1330] __kmalloc_noprof+0x443/0x760 [ 22.412218][ T1330] ? alloc_buf.isra.0+0x4b/0x260 [ 22.412224][ T1330] ? do_raw_spin_unlock+0x59/0x250 [ 22.412227][ T1330] alloc_buf.isra.0+0x4b/0x260 [ 22.412231][ T1330] put_chars+0x1e1/0x2f0 [ 22.412233][ T1330] ? __send_to_port+0x420/0x420 [ 22.412240][ T1330] hvc_console_print+0x292/0x780 [ 22.412248][ T1330] ? hvc_write+0x3a0/0x3a0 [ 22.412251][ T1330] ? lock_acquire+0x13c/0x160 [ 22.412256][ T1330] console_emit_next_record+0x22f/0x4c0 [ 22.412260][ T1330] ? devkmsg_read+0x4b0/0x4b0 [ 22.412261][ T1330] ? console_flush_one_record+0x106/0x710 [ 22.412265][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412268][ T1330] ? lock_acquire+0x13c/0x160 [ 22.412272][ T1330] console_flush_one_record+0x46f/0x710 [ 22.412276][ T1330] ? console_emit_next_record+0x4c0/0x4c0 [ 22.412278][ T1330] ? __lock_acquire+0x518/0xc20 [ 22.412283][ T1330] console_unlock+0xee/0x1f0 [ 22.412286][ T1330] ? console_flush_one_record+0x710/0x710 [ 22.412288][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412290][ T1330] ? lock_acquire+0xe0/0x160 [ 22.412294][ T1330] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.412296][ T1330] ? vprintk_emit+0x320/0x3e0 [ 22.412298][ T1330] vprintk_emit+0x37c/0x3e0 [ 22.412302][ T1330] ? wake_up_klogd_work_func+0x90/0x90 [ 22.412303][ T1330] ? mark_held_locks+0x40/0x70 [ 22.412305][ T1330] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.412307][ T1330] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.412312][ T1330] _printk+0xc7/0x100 [ 22.412316][ T1330] ? snapshot_read.cold+0x21/0x21 [ 22.412323][ T1330] br_set_state+0x22f/0x430 [ 22.412328][ T1330] br_stp_disable_port+0x11f/0x390 [ 22.412332][ T1330] br_device_event+0x7b5/0x8f0 [ 22.412334][ T1330] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 22.412338][ T1330] ? packet_sendmsg_spkt+0x1360/0x1360 [ 22.412344][ T1330] notifier_call_chain+0xae/0x300 [ 22.412350][ T1330] __dev_notify_flags+0x23c/0x450 [ 22.412355][ T1330] ? netif_change_name+0x8c0/0x8c0 [ 22.412359][ T1330] ? netif_set_allmulti+0x2c0/0x2c0 [ 22.412362][ T1330] ? __kernel_text_address+0x12/0x30 [ 22.412364][ T1330] ? write_profile+0xf0/0xf0 [ 22.412369][ T1330] netif_change_flags+0xfe/0x190 [ 22.412373][ T1330] do_setlink.isra.0+0x1d25/0x2a60 [ 22.412377][ T1330] ? stack_trace_save+0x93/0xc0 [ 22.412379][ T1330] ? rtnl_link_get_size+0x350/0x350 [ 22.412380][ T1330] ? rcu_read_lock_any_held+0x66/0x90 [ 22.412382][ T1330] ? stack_depot_save_flags+0x38e/0x790 [ 22.412385][ T1330] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.412387][ T1330] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.412389][ T1330] ? validate_chain+0x38b/0xc20 [ 22.412392][ T1330] ? kasan_save_stack+0x3d/0x50 [ 22.412394][ T1330] ? kasan_save_stack+0x2f/0x50 [ 22.412395][ T1330] ? kasan_save_track+0x14/0x30 [ 22.412397][ T1330] ? __kasan_kmalloc+0x7b/0x90 [ 22.412399][ T1330] ? __lock_acquire+0x518/0xc20 [ 22.412401][ T1330] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 22.412404][ T1330] ? ___sys_sendmsg+0xd0/0x1d0 [ 22.412408][ T1330] ? lock_acquire.part.0+0xd4/0x280 [ 22.412410][ T1330] ? rtnl_newlink+0x9a8/0x11b0 [ 22.412412][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412418][ T1330] ? lock_acquire+0x13c/0x160 [ 22.412420][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412421][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412423][ T1330] ? trace_contention_end+0xb3/0x180 [ 22.412425][ T1330] ? __mutex_lock+0x1db/0x1ea0 [ 22.412426][ T1330] ? __mutex_lock+0x9a3/0x1ea0 [ 22.412428][ T1330] ? rtnl_newlink+0x9a8/0x11b0 [ 22.412432][ T1330] ? ww_mutex_lock+0x160/0x160 [ 22.412435][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412437][ T1330] ? __rtnl_newlink+0x3fa/0xa50 [ 22.412443][ T1330] rtnl_newlink+0x9f1/0x11b0 [ 22.412448][ T1330] ? rtnl_bridge_getlink+0x850/0x850 [ 22.412450][ T1330] ? __lock_acquire+0x518/0xc20 [ 22.412454][ T1330] ? lock_acquire.part.0+0xd4/0x280 [ 22.412456][ T1330] ? find_held_lock+0x2b/0x80 [ 22.412458][ T1330] ? rtnl_bridge_getlink+0x850/0x850 [ 22.412460][ T1330] ? __lock_release.isra.0+0x69/0x1a0 [ 22.412464][ T1330] ? rtnl_bridge_getlink+0x850/0x850 [ 22.412466][ T1330] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 22.412469][ T1330] ? rtnl_link_fill+0x920/0x920 [ 22.412471][ T1330] ? __lock_acquire+0x518/0xc20 [ 22.412475][ T1330] ? lock_acquire.part.0+0xd4/0x280 [ 22.412477][ T1330] ? find_held_lock+0x2b/0x80 [ 22.412481][ T1330] netlink_rcv_skb+0x14e/0x3a0 [ 22.412484][ T1330] ? rtnl_link_fill+0x920/0x920 [ 22.412487][ T1330] ? netlink_ack+0xcf0/0xcf0 [ 22.412493][ T1330] ? netlink_deliver_tap+0xc5/0x330 [ 22.412496][ T1330] ? netlink_deliver_tap+0x13c/0x330 [ 22.412500][ T1330] netlink_unicast+0x486/0x750 [ 22.412504][ T1330] ? netlink_attachskb+0x810/0x810 [ 22.412507][ T1330] ? find_held_lock+0x2b/0x80 [ 22.412511][ T1330] netlink_sendmsg+0x75b/0xc90 [ 22.412515][ T1330] ? netlink_unicast+0x750/0x750 [ 22.412519][ T1330] ? __lock_release.isra.0+0x69/0x1a0 [ 22.412521][ T1330] ? __import_iovec+0x36c/0x620 [ 22.412526][ T1330] __sock_sendmsg+0xce/0x190 [ 22.412529][ T1330] ____sys_sendmsg+0x61a/0x860 [ 22.412531][ T1330] ? copy_msghdr_from_user+0x279/0x420 [ 22.412533][ T1330] ? sock_write_iter+0x400/0x400 [ 22.412535][ T1330] ? move_addr_to_kernel+0x40/0x40 [ 22.412542][ T1330] ___sys_sendmsg+0x14e/0x1d0 [ 22.412545][ T1330] ? copy_msghdr_from_user+0x420/0x420 [ 22.412561][ T1330] __sys_sendmsg+0x12c/0x1d0 [ 22.412564][ T1330] ? __sys_sendmsg_sock+0x20/0x20 [ 22.412570][ T1330] ? rcu_is_watching+0x16/0xd0 [ 22.412573][ T1330] do_syscall_64+0xff/0x530 [ 22.412576][ T1330] ? exc_page_fault+0xee/0x100 [ 22.412579][ T1330] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.412581][ T1330] RIP: 0033:0x7f56e132e54e [ 22.412583][ T1330] 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 [ 22.412585][ T1330] RSP: 002b:00007ffeeb8c3c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.412588][ T1330] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f56e132e54e [ 22.412589][ T1330] RDX: 0000000000000000 RSI: 00007ffeeb8c3cc0 RDI: 0000000000000005 [ 22.412590][ T1330] RBP: 00007ffeeb8c3c20 R08: 0000000000000000 R09: 0000000000000000 [ 22.412591][ T1330] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cdc [ 22.412591][ T1330] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeeb8c4380 [ 22.412598][ T1330] [ 22.543901][ T1338] br: port 2(d2) entered disabled state [ 22.942822][ T1376] br: port 2(d2) entered blocking state [ 22.943155][ T1376] br: port 2(d2) entered forwarding state [ 22.978792][ T1378] br: port 1(d1) entered blocking state [ 22.979095][ T1378] br: port 1(d1) entered forwarding state [ 23.096400][ T1386] br: port 1(d1) entered disabled state [ 23.194839][ T1394] br: port 2(d2) entered disabled state [ 23.291434][ T1402] br: port 3(d3) entered disabled state [ 24.480477][ T36] br: port 3(d3) entered blocking state [ 24.480496][ T36] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.480498][ T36] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 36, name: kworker/u17:0 [ 24.480500][ T36] preempt_count: 202, expected: 0 [ 24.480501][ T36] RCU nest depth: 0, expected: 0 [ 24.480502][ T36] locks held by kworker/u17:0/36: 8, last CPU#0: [ 24.480504][ T36] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 24.480517][ T36] #1: ffa000000028fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 24.480521][ T36] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 24.480526][ T36] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 24.480532][ T36] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.480536][ T36] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.480540][ T36] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.480544][ T36] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.480548][ T36] irq event stamp: 171309 [ 24.480549][ T36] hardirqs last enabled at (171308): [] __down_trylock_console_sem+0x86/0xa0 [ 24.480552][ T36] hardirqs last disabled at (171309): [] console_emit_next_record+0x3d4/0x4c0 [ 24.480554][ T36] softirqs last enabled at (171270): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 24.480557][ T36] softirqs last disabled at (171304): [] br_port_carrier_check+0x161/0x430 [ 24.480560][ T36] Preemption disabled at: [ 24.480560][ T36] [<0000000000000000>] 0x0 [ 24.480567][ T36] CPU: 0 UID: 0 PID: 36 Comm: kworker/u17:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.480570][ T36] Tainted: [W]=WARN [ 24.480571][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.480573][ T36] Workqueue: events_unbound linkwatch_event [ 24.480576][ T36] Call Trace: [ 24.480577][ T36] [ 24.480579][ T36] dump_stack_lvl+0x6f/0xa0 [ 24.480585][ T36] __might_resched.cold+0x1fe/0x2c1 [ 24.480590][ T36] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.480594][ T36] ? __kmalloc_noprof+0xdb/0x760 [ 24.480599][ T36] __kmalloc_noprof+0x443/0x760 [ 24.480601][ T36] ? alloc_buf.isra.0+0x4b/0x260 [ 24.480608][ T36] ? do_raw_spin_unlock+0x59/0x250 [ 24.480610][ T36] alloc_buf.isra.0+0x4b/0x260 [ 24.480614][ T36] put_chars+0x1e1/0x2f0 [ 24.480617][ T36] ? __send_to_port+0x420/0x420 [ 24.480619][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.480622][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.480625][ T36] ? validate_chain+0x38b/0xc20 [ 24.480629][ T36] hvc_console_print+0x292/0x780 [ 24.480634][ T36] ? mark_usage+0x61/0x170 [ 24.480636][ T36] ? __lock_acquire+0x518/0xc20 [ 24.480637][ T36] ? __lock_acquire+0x518/0xc20 [ 24.480642][ T36] ? hvc_write+0x3a0/0x3a0 [ 24.480644][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 24.480648][ T36] ? lock_acquire+0x13c/0x160 [ 24.480652][ T36] console_emit_next_record+0x22f/0x4c0 [ 24.480656][ T36] ? devkmsg_read+0x4b0/0x4b0 [ 24.480658][ T36] ? console_flush_one_record+0x106/0x710 [ 24.480662][ T36] ? rcu_is_watching+0x16/0xd0 [ 24.480664][ T36] ? lock_acquire+0x13c/0x160 [ 24.480668][ T36] console_flush_one_record+0x46f/0x710 [ 24.480672][ T36] ? console_emit_next_record+0x4c0/0x4c0 [ 24.480674][ T36] ? __lock_acquire+0x518/0xc20 [ 24.480679][ T36] console_unlock+0xee/0x1f0 [ 24.480682][ T36] ? console_flush_one_record+0x710/0x710 [ 24.480684][ T36] ? rcu_is_watching+0x16/0xd0 [ 24.480686][ T36] ? lock_acquire+0xe0/0x160 [ 24.480690][ T36] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.480691][ T36] ? vprintk_emit+0x320/0x3e0 [ 24.480694][ T36] vprintk_emit+0x37c/0x3e0 [ 24.480698][ T36] ? wake_up_klogd_work_func+0x90/0x90 [ 24.480700][ T36] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.480702][ T36] ? rcu_read_lock_any_held+0x3c/0x90 [ 24.480706][ T36] _printk+0xc7/0x100 [ 24.480709][ T36] ? snapshot_read.cold+0x21/0x21 [ 24.480715][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 24.480718][ T36] br_set_state+0x22f/0x430 [ 24.480723][ T36] br_init_port+0xc4/0x200 [ 24.480725][ T36] br_stp_enable_port+0x12/0x50 [ 24.480727][ T36] br_port_carrier_check+0x220/0x430 [ 24.480731][ T36] br_device_event+0x52d/0x8f0 [ 24.480735][ T36] ? packet_sendmsg_spkt+0x1360/0x1360 [ 24.480736][ T36] ? nlmsg_notify+0x62/0x250 [ 24.480744][ T36] notifier_call_chain+0xae/0x300 [ 24.480750][ T36] netif_state_change+0x139/0x3d0 [ 24.480754][ T36] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 24.480759][ T36] ? linkwatch_do_dev+0xae/0xd0 [ 24.480761][ T36] __linkwatch_run_queue+0x350/0x850 [ 24.480765][ T36] ? linkwatch_do_dev+0xd0/0xd0 [ 24.480767][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 24.480772][ T36] linkwatch_event+0x7f/0xb0 [ 24.480774][ T36] ? __linkwatch_run_queue+0x850/0x850 [ 24.480777][ T36] process_one_work+0xe3e/0x1560 [ 24.480784][ T36] ? __queue_delayed_work+0x470/0x470 [ 24.480787][ T36] ? lock_acquire.part.0+0xd4/0x280 [ 24.480795][ T36] worker_thread+0x4f1/0xd60 [ 24.480802][ T36] ? rescuer_thread+0x1340/0x1340 [ 24.480804][ T36] kthread+0x367/0x460 [ 24.480807][ T36] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 24.480810][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.480813][ T36] ret_from_fork+0x474/0x6b0 [ 24.480817][ T36] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 24.480821][ T36] ? __switch_to+0x5a3/0xe00 [ 24.480824][ T36] ? kthread_affine_preferred+0x4c0/0x4c0 [ 24.480827][ T36] ret_from_fork_asm+0x11/0x20 [ 24.480836][ T36] [ 24.503189][ T36] br: port 3(d3) entered forwarding state [ 24.511366][ T58] br: port 2(d2) entered blocking state [ 24.511729][ T58] br: port 2(d2) entered forwarding state [ 24.546573][ T38] br: port 1(d1) entered blocking state [ 24.546830][ T38] br: port 1(d1) entered forwarding state [ 25.440698][ T1588] br: port 1(d1) entered disabled state [ 25.807800][ T1626] br: port 1(d1) entered blocking state [ 25.807820][ T1626] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 25.807822][ T1626] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1626, name: ip [ 25.807824][ T1626] preempt_count: 202, expected: 0 [ 25.807825][ T1626] RCU nest depth: 0, expected: 0 [ 25.807826][ T1626] locks held by ip/1626: 6, last CPU#2: [ 25.807828][ T1626] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 25.807840][ T1626] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 25.807846][ T1626] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 25.807851][ T1626] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 25.807856][ T1626] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 25.807859][ T1626] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 25.807863][ T1626] irq event stamp: 14385 [ 25.807864][ T1626] hardirqs last enabled at (14384): [] __down_trylock_console_sem+0x86/0xa0 [ 25.807868][ T1626] hardirqs last disabled at (14385): [] console_emit_next_record+0x3d4/0x4c0 [ 25.807870][ T1626] softirqs last enabled at (14346): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 25.807872][ T1626] softirqs last disabled at (14380): [] br_device_event+0x5fd/0x8f0 [ 25.807875][ T1626] Preemption disabled at: [ 25.807875][ T1626] [<0000000000000000>] 0x0 [ 25.807882][ T1626] CPU: 2 UID: 0 PID: 1626 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 25.807885][ T1626] Tainted: [W]=WARN [ 25.807886][ T1626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.807888][ T1626] Call Trace: [ 25.807890][ T1626] [ 25.807891][ T1626] dump_stack_lvl+0x6f/0xa0 [ 25.807898][ T1626] __might_resched.cold+0x1fe/0x2c1 [ 25.807903][ T1626] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 25.807907][ T1626] ? __kmalloc_noprof+0xdb/0x760 [ 25.807912][ T1626] __kmalloc_noprof+0x443/0x760 [ 25.807914][ T1626] ? alloc_buf.isra.0+0x4b/0x260 [ 25.807920][ T1626] ? do_raw_spin_unlock+0x59/0x250 [ 25.807923][ T1626] alloc_buf.isra.0+0x4b/0x260 [ 25.807927][ T1626] put_chars+0x1e1/0x2f0 [ 25.807929][ T1626] ? __send_to_port+0x420/0x420 [ 25.807931][ T1626] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.807934][ T1626] ? validate_chain+0x38b/0xc20 [ 25.807940][ T1626] hvc_console_print+0x292/0x780 [ 25.807948][ T1626] ? hvc_write+0x3a0/0x3a0 [ 25.807950][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.807952][ T1626] ? lock_acquire+0x13c/0x160 [ 25.807956][ T1626] console_emit_next_record+0x22f/0x4c0 [ 25.807960][ T1626] ? devkmsg_read+0x4b0/0x4b0 [ 25.807962][ T1626] ? console_flush_one_record+0x106/0x710 [ 25.807966][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.807967][ T1626] ? lock_acquire+0x13c/0x160 [ 25.807971][ T1626] console_flush_one_record+0x46f/0x710 [ 25.807975][ T1626] ? console_emit_next_record+0x4c0/0x4c0 [ 25.807977][ T1626] ? __lock_acquire+0x518/0xc20 [ 25.807983][ T1626] console_unlock+0xee/0x1f0 [ 25.807985][ T1626] ? console_flush_one_record+0x710/0x710 [ 25.807987][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.807989][ T1626] ? lock_acquire+0xe0/0x160 [ 25.807993][ T1626] ? __down_trylock_console_sem+0x5e/0xa0 [ 25.807994][ T1626] ? vprintk_emit+0x320/0x3e0 [ 25.807997][ T1626] vprintk_emit+0x37c/0x3e0 [ 25.808000][ T1626] ? wake_up_klogd_work_func+0x90/0x90 [ 25.808002][ T1626] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.808004][ T1626] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.808009][ T1626] _printk+0xc7/0x100 [ 25.808012][ T1626] ? snapshot_read.cold+0x21/0x21 [ 25.808018][ T1626] ? lock_acquire.part.0+0xd4/0x280 [ 25.808021][ T1626] br_set_state+0x22f/0x430 [ 25.808026][ T1626] br_init_port+0xc4/0x200 [ 25.808028][ T1626] br_stp_enable_port+0x12/0x50 [ 25.808030][ T1626] br_device_event+0x605/0x8f0 [ 25.808033][ T1626] ? packet_sendmsg_spkt+0x1360/0x1360 [ 25.808035][ T1626] ? nlmsg_notify+0x62/0x250 [ 25.808042][ T1626] notifier_call_chain+0xae/0x300 [ 25.808047][ T1626] __dev_notify_flags+0x1b7/0x450 [ 25.808053][ T1626] ? netif_change_name+0x8c0/0x8c0 [ 25.808056][ T1626] ? netif_set_allmulti+0x2c0/0x2c0 [ 25.808059][ T1626] ? kernel_text_address+0x149/0x170 [ 25.808062][ T1626] ? __kernel_text_address+0x12/0x30 [ 25.808063][ T1626] ? write_profile+0xf0/0xf0 [ 25.808068][ T1626] netif_change_flags+0xfe/0x190 [ 25.808072][ T1626] do_setlink.isra.0+0x1d25/0x2a60 [ 25.808076][ T1626] ? stack_trace_save+0x93/0xc0 [ 25.808080][ T1626] ? rtnl_link_get_size+0x350/0x350 [ 25.808081][ T1626] ? rcu_read_lock_any_held+0x66/0x90 [ 25.808083][ T1626] ? stack_depot_save_flags+0x38e/0x790 [ 25.808087][ T1626] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 25.808089][ T1626] ? rcu_read_lock_any_held+0x3c/0x90 [ 25.808091][ T1626] ? validate_chain+0x38b/0xc20 [ 25.808093][ T1626] ? kasan_save_stack+0x3d/0x50 [ 25.808095][ T1626] ? kasan_save_stack+0x2f/0x50 [ 25.808097][ T1626] ? kasan_save_track+0x14/0x30 [ 25.808098][ T1626] ? __kasan_kmalloc+0x7b/0x90 [ 25.808100][ T1626] ? __lock_acquire+0x518/0xc20 [ 25.808102][ T1626] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 25.808105][ T1626] ? ___sys_sendmsg+0xd0/0x1d0 [ 25.808109][ T1626] ? lock_acquire.part.0+0xd4/0x280 [ 25.808111][ T1626] ? rtnl_newlink+0x9a8/0x11b0 [ 25.808114][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.808115][ T1626] ? lock_acquire+0x13c/0x160 [ 25.808117][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.808118][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.808120][ T1626] ? trace_contention_end+0xb3/0x180 [ 25.808122][ T1626] ? __mutex_lock+0x1db/0x1ea0 [ 25.808125][ T1626] ? __mutex_lock+0x9a3/0x1ea0 [ 25.808127][ T1626] ? rtnl_newlink+0x9a8/0x11b0 [ 25.808130][ T1626] ? ww_mutex_lock+0x160/0x160 [ 25.808134][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.808136][ T1626] ? __rtnl_newlink+0x3fa/0xa50 [ 25.808141][ T1626] rtnl_newlink+0x9f1/0x11b0 [ 25.808146][ T1626] ? rtnl_bridge_getlink+0x850/0x850 [ 25.808148][ T1626] ? __lock_acquire+0x518/0xc20 [ 25.808153][ T1626] ? lock_acquire.part.0+0xd4/0x280 [ 25.808154][ T1626] ? find_held_lock+0x2b/0x80 [ 25.808157][ T1626] ? rtnl_bridge_getlink+0x850/0x850 [ 25.808159][ T1626] ? __lock_release.isra.0+0x69/0x1a0 [ 25.808162][ T1626] ? rtnl_bridge_getlink+0x850/0x850 [ 25.808165][ T1626] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 25.808168][ T1626] ? rtnl_link_fill+0x920/0x920 [ 25.808169][ T1626] ? __lock_acquire+0x518/0xc20 [ 25.808173][ T1626] ? lock_acquire.part.0+0xd4/0x280 [ 25.808175][ T1626] ? find_held_lock+0x2b/0x80 [ 25.808179][ T1626] netlink_rcv_skb+0x14e/0x3a0 [ 25.808181][ T1626] ? rtnl_link_fill+0x920/0x920 [ 25.808184][ T1626] ? netlink_ack+0xcf0/0xcf0 [ 25.808190][ T1626] ? netlink_deliver_tap+0xc5/0x330 [ 25.808192][ T1626] ? netlink_deliver_tap+0x13c/0x330 [ 25.808197][ T1626] netlink_unicast+0x486/0x750 [ 25.808201][ T1626] ? netlink_attachskb+0x810/0x810 [ 25.808203][ T1626] ? find_held_lock+0x2b/0x80 [ 25.808207][ T1626] netlink_sendmsg+0x75b/0xc90 [ 25.808211][ T1626] ? netlink_unicast+0x750/0x750 [ 25.808215][ T1626] ? __lock_release.isra.0+0x69/0x1a0 [ 25.808217][ T1626] ? __import_iovec+0x36c/0x620 [ 25.808222][ T1626] __sock_sendmsg+0xce/0x190 [ 25.808225][ T1626] ____sys_sendmsg+0x61a/0x860 [ 25.808227][ T1626] ? copy_msghdr_from_user+0x279/0x420 [ 25.808230][ T1626] ? sock_write_iter+0x400/0x400 [ 25.808231][ T1626] ? move_addr_to_kernel+0x40/0x40 [ 25.808239][ T1626] ___sys_sendmsg+0x14e/0x1d0 [ 25.808242][ T1626] ? copy_msghdr_from_user+0x420/0x420 [ 25.808258][ T1626] __sys_sendmsg+0x12c/0x1d0 [ 25.808260][ T1626] ? __sys_sendmsg_sock+0x20/0x20 [ 25.808267][ T1626] ? rcu_is_watching+0x16/0xd0 [ 25.808270][ T1626] do_syscall_64+0xff/0x530 [ 25.808273][ T1626] ? exc_page_fault+0xee/0x100 [ 25.808276][ T1626] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 25.808278][ T1626] RIP: 0033:0x7fe1db4e354e [ 25.808280][ T1626] 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 [ 25.808283][ T1626] RSP: 002b:00007ffe5ffbf090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.808285][ T1626] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe1db4e354e [ 25.808287][ T1626] RDX: 0000000000000000 RSI: 00007ffe5ffbf140 RDI: 0000000000000005 [ 25.808287][ T1626] RBP: 00007ffe5ffbf0a0 R08: 0000000000000000 R09: 0000000000000000 [ 25.808288][ T1626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ce0 [ 25.808289][ T1626] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5ffbf800 [ 25.808296][ T1626] [ 25.851547][ T1626] br: port 1(d1) entered forwarding state [ 25.959658][ T1634] br: port 2(d2) entered disabled state [ 26.306589][ T36] br: port 2(d2) entered blocking state [ 26.306859][ T36] br: port 2(d2) entered forwarding state [ 26.398268][ T1680] br: port 1(d1) entered disabled state [ 26.481580][ T1688] br: port 2(d2) entered disabled state [ 26.850152][ T1726] br: port 2(d2) entered blocking state [ 26.850172][ T1726] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.850175][ T1726] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1726, name: ip [ 26.850176][ T1726] preempt_count: 202, expected: 0 [ 26.850177][ T1726] RCU nest depth: 0, expected: 0 [ 26.850178][ T1726] locks held by ip/1726: 6, last CPU#3: [ 26.850180][ T1726] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 26.850193][ T1726] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 26.850198][ T1726] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.850204][ T1726] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.850208][ T1726] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.850211][ T1726] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.850215][ T1726] irq event stamp: 14911 [ 26.850216][ T1726] hardirqs last enabled at (14910): [] __down_trylock_console_sem+0x86/0xa0 [ 26.850219][ T1726] hardirqs last disabled at (14911): [] console_emit_next_record+0x3d4/0x4c0 [ 26.850221][ T1726] softirqs last enabled at (14872): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 26.850224][ T1726] softirqs last disabled at (14906): [] br_device_event+0x5fd/0x8f0 [ 26.850227][ T1726] Preemption disabled at: [ 26.850228][ T1726] [<0000000000000000>] 0x0 [ 26.850234][ T1726] CPU: 3 UID: 0 PID: 1726 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.850238][ T1726] Tainted: [W]=WARN [ 26.850239][ T1726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.850241][ T1726] Call Trace: [ 26.850242][ T1726] [ 26.850244][ T1726] dump_stack_lvl+0x6f/0xa0 [ 26.850251][ T1726] __might_resched.cold+0x1fe/0x2c1 [ 26.850255][ T1726] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.850260][ T1726] ? __kmalloc_noprof+0xdb/0x760 [ 26.850264][ T1726] __kmalloc_noprof+0x443/0x760 [ 26.850266][ T1726] ? alloc_buf.isra.0+0x4b/0x260 [ 26.850273][ T1726] ? do_raw_spin_unlock+0x59/0x250 [ 26.850276][ T1726] alloc_buf.isra.0+0x4b/0x260 [ 26.850280][ T1726] put_chars+0x1e1/0x2f0 [ 26.850282][ T1726] ? __send_to_port+0x420/0x420 [ 26.850283][ T1726] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.850287][ T1726] ? validate_chain+0x38b/0xc20 [ 26.850292][ T1726] hvc_console_print+0x292/0x780 [ 26.850300][ T1726] ? hvc_write+0x3a0/0x3a0 [ 26.850303][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850305][ T1726] ? lock_acquire+0x13c/0x160 [ 26.850309][ T1726] console_emit_next_record+0x22f/0x4c0 [ 26.850313][ T1726] ? devkmsg_read+0x4b0/0x4b0 [ 26.850315][ T1726] ? console_flush_one_record+0x106/0x710 [ 26.850318][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850320][ T1726] ? lock_acquire+0x13c/0x160 [ 26.850324][ T1726] console_flush_one_record+0x46f/0x710 [ 26.850328][ T1726] ? console_emit_next_record+0x4c0/0x4c0 [ 26.850330][ T1726] ? __lock_acquire+0x518/0xc20 [ 26.850336][ T1726] console_unlock+0xee/0x1f0 [ 26.850338][ T1726] ? console_flush_one_record+0x710/0x710 [ 26.850340][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850342][ T1726] ? lock_acquire+0xe0/0x160 [ 26.850346][ T1726] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.850348][ T1726] ? vprintk_emit+0x320/0x3e0 [ 26.850350][ T1726] vprintk_emit+0x37c/0x3e0 [ 26.850354][ T1726] ? wake_up_klogd_work_func+0x90/0x90 [ 26.850356][ T1726] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.850358][ T1726] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.850362][ T1726] _printk+0xc7/0x100 [ 26.850366][ T1726] ? snapshot_read.cold+0x21/0x21 [ 26.850371][ T1726] ? lock_acquire.part.0+0xd4/0x280 [ 26.850375][ T1726] br_set_state+0x22f/0x430 [ 26.850380][ T1726] br_init_port+0xc4/0x200 [ 26.850382][ T1726] br_stp_enable_port+0x12/0x50 [ 26.850384][ T1726] br_device_event+0x605/0x8f0 [ 26.850387][ T1726] ? packet_sendmsg_spkt+0x1360/0x1360 [ 26.850389][ T1726] ? nlmsg_notify+0x62/0x250 [ 26.850395][ T1726] notifier_call_chain+0xae/0x300 [ 26.850401][ T1726] __dev_notify_flags+0x1b7/0x450 [ 26.850407][ T1726] ? netif_change_name+0x8c0/0x8c0 [ 26.850410][ T1726] ? netif_set_allmulti+0x2c0/0x2c0 [ 26.850413][ T1726] ? kernel_text_address+0x149/0x170 [ 26.850416][ T1726] ? __kernel_text_address+0x12/0x30 [ 26.850417][ T1726] ? write_profile+0xf0/0xf0 [ 26.850422][ T1726] netif_change_flags+0xfe/0x190 [ 26.850426][ T1726] do_setlink.isra.0+0x1d25/0x2a60 [ 26.850435][ T1726] ? stack_trace_save+0x93/0xc0 [ 26.850437][ T1726] ? rtnl_link_get_size+0x350/0x350 [ 26.850438][ T1726] ? rcu_read_lock_any_held+0x66/0x90 [ 26.850440][ T1726] ? stack_depot_save_flags+0x38e/0x790 [ 26.850444][ T1726] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.850446][ T1726] ? rcu_read_lock_any_held+0x3c/0x90 [ 26.850448][ T1726] ? validate_chain+0x38b/0xc20 [ 26.850450][ T1726] ? kasan_save_stack+0x3d/0x50 [ 26.850453][ T1726] ? kasan_save_stack+0x2f/0x50 [ 26.850454][ T1726] ? kasan_save_track+0x14/0x30 [ 26.850455][ T1726] ? __kasan_kmalloc+0x7b/0x90 [ 26.850458][ T1726] ? __lock_acquire+0x518/0xc20 [ 26.850460][ T1726] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 26.850463][ T1726] ? ___sys_sendmsg+0xd0/0x1d0 [ 26.850466][ T1726] ? lock_acquire.part.0+0xd4/0x280 [ 26.850468][ T1726] ? rtnl_newlink+0x9a8/0x11b0 [ 26.850471][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850473][ T1726] ? lock_acquire+0x13c/0x160 [ 26.850474][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850475][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850477][ T1726] ? trace_contention_end+0xb3/0x180 [ 26.850479][ T1726] ? __mutex_lock+0x1db/0x1ea0 [ 26.850482][ T1726] ? __mutex_lock+0x9a3/0x1ea0 [ 26.850484][ T1726] ? rtnl_newlink+0x9a8/0x11b0 [ 26.850488][ T1726] ? ww_mutex_lock+0x160/0x160 [ 26.850491][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850493][ T1726] ? __rtnl_newlink+0x3fa/0xa50 [ 26.850499][ T1726] rtnl_newlink+0x9f1/0x11b0 [ 26.850504][ T1726] ? rtnl_bridge_getlink+0x850/0x850 [ 26.850506][ T1726] ? __lock_acquire+0x518/0xc20 [ 26.850511][ T1726] ? lock_acquire.part.0+0xd4/0x280 [ 26.850512][ T1726] ? find_held_lock+0x2b/0x80 [ 26.850515][ T1726] ? rtnl_bridge_getlink+0x850/0x850 [ 26.850517][ T1726] ? __lock_release.isra.0+0x69/0x1a0 [ 26.850520][ T1726] ? rtnl_bridge_getlink+0x850/0x850 [ 26.850522][ T1726] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.850526][ T1726] ? rtnl_link_fill+0x920/0x920 [ 26.850527][ T1726] ? __lock_acquire+0x518/0xc20 [ 26.850531][ T1726] ? lock_acquire.part.0+0xd4/0x280 [ 26.850533][ T1726] ? find_held_lock+0x2b/0x80 [ 26.850537][ T1726] netlink_rcv_skb+0x14e/0x3a0 [ 26.850539][ T1726] ? rtnl_link_fill+0x920/0x920 [ 26.850542][ T1726] ? netlink_ack+0xcf0/0xcf0 [ 26.850548][ T1726] ? netlink_deliver_tap+0xc5/0x330 [ 26.850550][ T1726] ? netlink_deliver_tap+0x13c/0x330 [ 26.850555][ T1726] netlink_unicast+0x486/0x750 [ 26.850559][ T1726] ? netlink_attachskb+0x810/0x810 [ 26.850562][ T1726] ? find_held_lock+0x2b/0x80 [ 26.850566][ T1726] netlink_sendmsg+0x75b/0xc90 [ 26.850570][ T1726] ? netlink_unicast+0x750/0x750 [ 26.850574][ T1726] ? __lock_release.isra.0+0x69/0x1a0 [ 26.850575][ T1726] ? __import_iovec+0x36c/0x620 [ 26.850581][ T1726] __sock_sendmsg+0xce/0x190 [ 26.850584][ T1726] ____sys_sendmsg+0x61a/0x860 [ 26.850586][ T1726] ? copy_msghdr_from_user+0x279/0x420 [ 26.850588][ T1726] ? sock_write_iter+0x400/0x400 [ 26.850590][ T1726] ? move_addr_to_kernel+0x40/0x40 [ 26.850597][ T1726] ___sys_sendmsg+0x14e/0x1d0 [ 26.850600][ T1726] ? copy_msghdr_from_user+0x420/0x420 [ 26.850616][ T1726] __sys_sendmsg+0x12c/0x1d0 [ 26.850619][ T1726] ? __sys_sendmsg_sock+0x20/0x20 [ 26.850625][ T1726] ? rcu_is_watching+0x16/0xd0 [ 26.850628][ T1726] do_syscall_64+0xff/0x530 [ 26.850631][ T1726] ? exc_page_fault+0xee/0x100 [ 26.850634][ T1726] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.850636][ T1726] RIP: 0033:0x7f623855654e [ 26.850638][ T1726] 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 [ 26.850640][ T1726] RSP: 002b:00007ffdd0a01d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.850643][ T1726] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f623855654e [ 26.850644][ T1726] RDX: 0000000000000000 RSI: 00007ffdd0a01dd0 RDI: 0000000000000005 [ 26.850645][ T1726] RBP: 00007ffdd0a01d30 R08: 0000000000000000 R09: 0000000000000000 [ 26.850646][ T1726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ce1 [ 26.850647][ T1726] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd0a02490 [ 26.850654][ T1726] [ 26.894728][ T1726] br: port 2(d2) entered forwarding state [ 26.929283][ T1728] br: port 1(d1) entered blocking state [ 26.929554][ T1728] br: port 1(d1) entered forwarding state [ 27.014781][ T1736] br: port 1(d1) entered disabled state [ 27.093943][ T1744] br: port 2(d2) entered disabled state [ 27.175031][ T1752] br: port 3(d3) entered disabled state [ 27.483730][ T58] br: port 3(d3) entered blocking state [ 27.483976][ T58] br: port 3(d3) entered forwarding state [ 27.511905][ T39] br: port 2(d2) entered blocking state [ 27.512136][ T39] br: port 2(d2) entered forwarding state [ 27.539877][ T38] br: port 1(d1) entered blocking state [ 27.540139][ T38] br: port 1(d1) entered forwarding state [ 28.462628][ T1851] br: port 1(d1) entered disabled state [ 28.462649][ T1851] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.462651][ T1851] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1851, name: ip [ 28.462653][ T1851] preempt_count: 202, expected: 0 [ 28.462654][ T1851] RCU nest depth: 0, expected: 0 [ 28.462655][ T1851] locks held by ip/1851: 6, last CPU#0: [ 28.462657][ T1851] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 28.462670][ T1851] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 28.462675][ T1851] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 28.462681][ T1851] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 28.462685][ T1851] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 28.462688][ T1851] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 28.462692][ T1851] irq event stamp: 15121 [ 28.462693][ T1851] hardirqs last enabled at (15120): [] __down_trylock_console_sem+0x86/0xa0 [ 28.462697][ T1851] hardirqs last disabled at (15121): [] console_emit_next_record+0x3d4/0x4c0 [ 28.462699][ T1851] softirqs last enabled at (15104): [] ipv6_mc_down+0x134/0x2d0 [ 28.462702][ T1851] softirqs last disabled at (15116): [] br_device_event+0x1d7/0x8f0 [ 28.462704][ T1851] Preemption disabled at: [ 28.462705][ T1851] [<0000000000000000>] 0x0 [ 28.462712][ T1851] CPU: 0 UID: 0 PID: 1851 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.462715][ T1851] Tainted: [W]=WARN [ 28.462716][ T1851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.462718][ T1851] Call Trace: [ 28.462719][ T1851] [ 28.462721][ T1851] dump_stack_lvl+0x6f/0xa0 [ 28.462727][ T1851] __might_resched.cold+0x1fe/0x2c1 [ 28.462732][ T1851] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.462737][ T1851] ? __kmalloc_noprof+0xdb/0x760 [ 28.462741][ T1851] __kmalloc_noprof+0x443/0x760 [ 28.462743][ T1851] ? alloc_buf.isra.0+0x4b/0x260 [ 28.462750][ T1851] ? do_raw_spin_unlock+0x59/0x250 [ 28.462753][ T1851] alloc_buf.isra.0+0x4b/0x260 [ 28.462757][ T1851] put_chars+0x1e1/0x2f0 [ 28.462759][ T1851] ? __send_to_port+0x420/0x420 [ 28.462765][ T1851] hvc_console_print+0x292/0x780 [ 28.462773][ T1851] ? hvc_write+0x3a0/0x3a0 [ 28.462776][ T1851] ? lock_acquire+0x13c/0x160 [ 28.462783][ T1851] console_emit_next_record+0x22f/0x4c0 [ 28.462787][ T1851] ? devkmsg_read+0x4b0/0x4b0 [ 28.462789][ T1851] ? console_flush_one_record+0x106/0x710 [ 28.462792][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.462795][ T1851] ? lock_acquire+0x13c/0x160 [ 28.462799][ T1851] console_flush_one_record+0x46f/0x710 [ 28.462803][ T1851] ? console_emit_next_record+0x4c0/0x4c0 [ 28.462805][ T1851] ? __lock_acquire+0x518/0xc20 [ 28.462810][ T1851] console_unlock+0xee/0x1f0 [ 28.462813][ T1851] ? console_flush_one_record+0x710/0x710 [ 28.462815][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.462817][ T1851] ? lock_acquire+0xe0/0x160 [ 28.462821][ T1851] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.462822][ T1851] ? vprintk_emit+0x320/0x3e0 [ 28.462825][ T1851] vprintk_emit+0x37c/0x3e0 [ 28.462828][ T1851] ? wake_up_klogd_work_func+0x90/0x90 [ 28.462830][ T1851] ? mark_held_locks+0x40/0x70 [ 28.462832][ T1851] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.462834][ T1851] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.462839][ T1851] _printk+0xc7/0x100 [ 28.462843][ T1851] ? snapshot_read.cold+0x21/0x21 [ 28.462850][ T1851] br_set_state+0x22f/0x430 [ 28.462855][ T1851] br_stp_disable_port+0x11f/0x390 [ 28.462858][ T1851] br_device_event+0x7b5/0x8f0 [ 28.462860][ T1851] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 28.462864][ T1851] ? packet_sendmsg_spkt+0x1360/0x1360 [ 28.462870][ T1851] notifier_call_chain+0xae/0x300 [ 28.462876][ T1851] __dev_notify_flags+0x23c/0x450 [ 28.462881][ T1851] ? netif_change_name+0x8c0/0x8c0 [ 28.462885][ T1851] ? netif_set_allmulti+0x2c0/0x2c0 [ 28.462888][ T1851] ? __kernel_text_address+0x12/0x30 [ 28.462890][ T1851] ? write_profile+0xf0/0xf0 [ 28.462895][ T1851] netif_change_flags+0xfe/0x190 [ 28.462899][ T1851] do_setlink.isra.0+0x1d25/0x2a60 [ 28.462902][ T1851] ? stack_trace_save+0x93/0xc0 [ 28.462904][ T1851] ? rtnl_link_get_size+0x350/0x350 [ 28.462906][ T1851] ? rcu_read_lock_any_held+0x66/0x90 [ 28.462908][ T1851] ? stack_depot_save_flags+0x38e/0x790 [ 28.462911][ T1851] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.462913][ T1851] ? rcu_read_lock_any_held+0x3c/0x90 [ 28.462915][ T1851] ? validate_chain+0x38b/0xc20 [ 28.462917][ T1851] ? kasan_save_stack+0x3d/0x50 [ 28.462920][ T1851] ? kasan_save_stack+0x2f/0x50 [ 28.462921][ T1851] ? kasan_save_track+0x14/0x30 [ 28.462922][ T1851] ? __kasan_kmalloc+0x7b/0x90 [ 28.462925][ T1851] ? __lock_acquire+0x518/0xc20 [ 28.462926][ T1851] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 28.462929][ T1851] ? ___sys_sendmsg+0xd0/0x1d0 [ 28.462933][ T1851] ? lock_acquire.part.0+0xd4/0x280 [ 28.462935][ T1851] ? rtnl_newlink+0x9a8/0x11b0 [ 28.462938][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.462940][ T1851] ? lock_acquire+0x13c/0x160 [ 28.462941][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.462942][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.462944][ T1851] ? trace_contention_end+0xb3/0x180 [ 28.462946][ T1851] ? __mutex_lock+0x1db/0x1ea0 [ 28.462948][ T1851] ? __mutex_lock+0x9a3/0x1ea0 [ 28.462950][ T1851] ? rtnl_newlink+0x9a8/0x11b0 [ 28.462953][ T1851] ? ww_mutex_lock+0x160/0x160 [ 28.462956][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.462959][ T1851] ? __rtnl_newlink+0x3fa/0xa50 [ 28.462964][ T1851] rtnl_newlink+0x9f1/0x11b0 [ 28.462969][ T1851] ? rtnl_bridge_getlink+0x850/0x850 [ 28.462971][ T1851] ? __lock_acquire+0x518/0xc20 [ 28.462976][ T1851] ? lock_acquire.part.0+0xd4/0x280 [ 28.462978][ T1851] ? find_held_lock+0x2b/0x80 [ 28.462980][ T1851] ? rtnl_bridge_getlink+0x850/0x850 [ 28.462982][ T1851] ? __lock_release.isra.0+0x69/0x1a0 [ 28.462986][ T1851] ? rtnl_bridge_getlink+0x850/0x850 [ 28.462988][ T1851] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.462991][ T1851] ? rtnl_link_fill+0x920/0x920 [ 28.462992][ T1851] ? __lock_acquire+0x518/0xc20 [ 28.462996][ T1851] ? lock_acquire.part.0+0xd4/0x280 [ 28.462998][ T1851] ? find_held_lock+0x2b/0x80 [ 28.463002][ T1851] netlink_rcv_skb+0x14e/0x3a0 [ 28.463006][ T1851] ? rtnl_link_fill+0x920/0x920 [ 28.463008][ T1851] ? netlink_ack+0xcf0/0xcf0 [ 28.463015][ T1851] ? netlink_deliver_tap+0xc5/0x330 [ 28.463017][ T1851] ? netlink_deliver_tap+0x13c/0x330 [ 28.463022][ T1851] netlink_unicast+0x486/0x750 [ 28.463026][ T1851] ? netlink_attachskb+0x810/0x810 [ 28.463028][ T1851] ? find_held_lock+0x2b/0x80 [ 28.463032][ T1851] netlink_sendmsg+0x75b/0xc90 [ 28.463036][ T1851] ? netlink_unicast+0x750/0x750 [ 28.463040][ T1851] ? __lock_release.isra.0+0x69/0x1a0 [ 28.463042][ T1851] ? __import_iovec+0x36c/0x620 [ 28.463047][ T1851] __sock_sendmsg+0xce/0x190 [ 28.463050][ T1851] ____sys_sendmsg+0x61a/0x860 [ 28.463052][ T1851] ? copy_msghdr_from_user+0x279/0x420 [ 28.463055][ T1851] ? sock_write_iter+0x400/0x400 [ 28.463056][ T1851] ? move_addr_to_kernel+0x40/0x40 [ 28.463064][ T1851] ___sys_sendmsg+0x14e/0x1d0 [ 28.463066][ T1851] ? copy_msghdr_from_user+0x420/0x420 [ 28.463083][ T1851] __sys_sendmsg+0x12c/0x1d0 [ 28.463085][ T1851] ? __sys_sendmsg_sock+0x20/0x20 [ 28.463092][ T1851] ? rcu_is_watching+0x16/0xd0 [ 28.463095][ T1851] do_syscall_64+0xff/0x530 [ 28.463098][ T1851] ? exc_page_fault+0xee/0x100 [ 28.463101][ T1851] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.463103][ T1851] RIP: 0033:0x7fd27192b54e [ 28.463105][ T1851] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 28.463107][ T1851] RSP: 002b:00007fffb5af1120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.463109][ T1851] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd27192b54e [ 28.463111][ T1851] RDX: 0000000000000000 RSI: 00007fffb5af11d0 RDI: 0000000000000005 [ 28.463112][ T1851] RBP: 00007fffb5af1130 R08: 0000000000000000 R09: 0000000000000000 [ 28.463113][ T1851] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ce2 [ 28.463113][ T1851] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb5af1890 [ 28.463120][ T1851] [ 28.865489][ T1889] br: port 1(d1) entered blocking state [ 28.865820][ T1889] br: port 1(d1) entered forwarding state [ 28.996873][ T1897] br: port 2(d2) entered disabled state [ 29.377392][ T39] br: port 2(d2) entered blocking state [ 29.377665][ T39] br: port 2(d2) entered forwarding state [ 29.485778][ T1943] br: port 1(d1) entered disabled state [ 29.485801][ T1943] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.485804][ T1943] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1943, name: ip [ 29.485806][ T1943] preempt_count: 202, expected: 0 [ 29.485807][ T1943] RCU nest depth: 0, expected: 0 [ 29.485808][ T1943] locks held by ip/1943: 6, last CPU#2: [ 29.485811][ T1943] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 29.485826][ T1943] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x1d7/0x8f0 [ 29.485834][ T1943] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 29.485841][ T1943] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 29.485847][ T1943] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 29.485853][ T1943] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 29.485859][ T1943] irq event stamp: 19051 [ 29.485860][ T1943] hardirqs last enabled at (19050): [] __down_trylock_console_sem+0x86/0xa0 [ 29.485864][ T1943] hardirqs last disabled at (19051): [] console_emit_next_record+0x3d4/0x4c0 [ 29.485868][ T1943] softirqs last enabled at (19034): [] ipv6_mc_down+0x134/0x2d0 [ 29.485871][ T1943] softirqs last disabled at (19046): [] br_device_event+0x1d7/0x8f0 [ 29.485875][ T1943] Preemption disabled at: [ 29.485876][ T1943] [<0000000000000000>] 0x0 [ 29.485884][ T1943] CPU: 2 UID: 0 PID: 1943 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.485889][ T1943] Tainted: [W]=WARN [ 29.485890][ T1943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.485893][ T1943] Call Trace: [ 29.485894][ T1943] [ 29.485896][ T1943] dump_stack_lvl+0x6f/0xa0 [ 29.485905][ T1943] __might_resched.cold+0x1fe/0x2c1 [ 29.485911][ T1943] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.485916][ T1943] ? __kmalloc_noprof+0xdb/0x760 [ 29.485923][ T1943] __kmalloc_noprof+0x443/0x760 [ 29.485926][ T1943] ? alloc_buf.isra.0+0x4b/0x260 [ 29.485935][ T1943] ? do_raw_spin_unlock+0x59/0x250 [ 29.485939][ T1943] alloc_buf.isra.0+0x4b/0x260 [ 29.485945][ T1943] put_chars+0x1e1/0x2f0 [ 29.485949][ T1943] ? __send_to_port+0x420/0x420 [ 29.485960][ T1943] hvc_console_print+0x292/0x780 [ 29.485971][ T1943] ? hvc_write+0x3a0/0x3a0 [ 29.485976][ T1943] ? lock_acquire+0x13c/0x160 [ 29.485983][ T1943] console_emit_next_record+0x22f/0x4c0 [ 29.485989][ T1943] ? devkmsg_read+0x4b0/0x4b0 [ 29.485992][ T1943] ? console_flush_one_record+0x106/0x710 [ 29.485997][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486001][ T1943] ? lock_acquire+0x13c/0x160 [ 29.486008][ T1943] console_flush_one_record+0x46f/0x710 [ 29.486015][ T1943] ? console_emit_next_record+0x4c0/0x4c0 [ 29.486017][ T1943] ? __lock_acquire+0x518/0xc20 [ 29.486026][ T1943] console_unlock+0xee/0x1f0 [ 29.486031][ T1943] ? console_flush_one_record+0x710/0x710 [ 29.486033][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486036][ T1943] ? lock_acquire+0xe0/0x160 [ 29.486042][ T1943] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.486045][ T1943] ? vprintk_emit+0x320/0x3e0 [ 29.486050][ T1943] vprintk_emit+0x37c/0x3e0 [ 29.486055][ T1943] ? wake_up_klogd_work_func+0x90/0x90 [ 29.486057][ T1943] ? mark_held_locks+0x40/0x70 [ 29.486061][ T1943] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.486064][ T1943] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.486071][ T1943] _printk+0xc7/0x100 [ 29.486076][ T1943] ? snapshot_read.cold+0x21/0x21 [ 29.486092][ T1943] br_set_state+0x22f/0x430 [ 29.486099][ T1943] br_stp_disable_port+0x11f/0x390 [ 29.486105][ T1943] br_device_event+0x7b5/0x8f0 [ 29.486108][ T1943] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 29.486113][ T1943] ? packet_sendmsg_spkt+0x1360/0x1360 [ 29.486122][ T1943] notifier_call_chain+0xae/0x300 [ 29.486132][ T1943] __dev_notify_flags+0x23c/0x450 [ 29.486139][ T1943] ? netif_change_name+0x8c0/0x8c0 [ 29.486145][ T1943] ? netif_set_allmulti+0x2c0/0x2c0 [ 29.486150][ T1943] ? __kernel_text_address+0x12/0x30 [ 29.486153][ T1943] ? write_profile+0xf0/0xf0 [ 29.486161][ T1943] netif_change_flags+0xfe/0x190 [ 29.486167][ T1943] do_setlink.isra.0+0x1d25/0x2a60 [ 29.486173][ T1943] ? stack_trace_save+0x93/0xc0 [ 29.486176][ T1943] ? rtnl_link_get_size+0x350/0x350 [ 29.486178][ T1943] ? rcu_read_lock_any_held+0x66/0x90 [ 29.486181][ T1943] ? stack_depot_save_flags+0x38e/0x790 [ 29.486186][ T1943] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.486189][ T1943] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.486192][ T1943] ? validate_chain+0x38b/0xc20 [ 29.486196][ T1943] ? kasan_save_stack+0x3d/0x50 [ 29.486199][ T1943] ? kasan_save_stack+0x2f/0x50 [ 29.486201][ T1943] ? kasan_save_track+0x14/0x30 [ 29.486203][ T1943] ? __kasan_kmalloc+0x7b/0x90 [ 29.486207][ T1943] ? __lock_acquire+0x518/0xc20 [ 29.486210][ T1943] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 29.486214][ T1943] ? ___sys_sendmsg+0xd0/0x1d0 [ 29.486220][ T1943] ? lock_acquire.part.0+0xd4/0x280 [ 29.486223][ T1943] ? rtnl_newlink+0x9a8/0x11b0 [ 29.486228][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486231][ T1943] ? lock_acquire+0x13c/0x160 [ 29.486233][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486235][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486238][ T1943] ? trace_contention_end+0xb3/0x180 [ 29.486241][ T1943] ? __mutex_lock+0x1db/0x1ea0 [ 29.486243][ T1943] ? __mutex_lock+0x9a3/0x1ea0 [ 29.486247][ T1943] ? rtnl_newlink+0x9a8/0x11b0 [ 29.486252][ T1943] ? ww_mutex_lock+0x160/0x160 [ 29.486259][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486262][ T1943] ? __rtnl_newlink+0x3fa/0xa50 [ 29.486271][ T1943] rtnl_newlink+0x9f1/0x11b0 [ 29.486281][ T1943] ? rtnl_bridge_getlink+0x850/0x850 [ 29.486284][ T1943] ? __lock_acquire+0x518/0xc20 [ 29.486291][ T1943] ? lock_acquire.part.0+0xd4/0x280 [ 29.486294][ T1943] ? find_held_lock+0x2b/0x80 [ 29.486297][ T1943] ? rtnl_bridge_getlink+0x850/0x850 [ 29.486300][ T1943] ? __lock_release.isra.0+0x69/0x1a0 [ 29.486307][ T1943] ? rtnl_bridge_getlink+0x850/0x850 [ 29.486310][ T1943] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.486316][ T1943] ? rtnl_link_fill+0x920/0x920 [ 29.486318][ T1943] ? __lock_acquire+0x518/0xc20 [ 29.486325][ T1943] ? lock_acquire.part.0+0xd4/0x280 [ 29.486328][ T1943] ? find_held_lock+0x2b/0x80 [ 29.486334][ T1943] netlink_rcv_skb+0x14e/0x3a0 [ 29.486339][ T1943] ? rtnl_link_fill+0x920/0x920 [ 29.486343][ T1943] ? netlink_ack+0xcf0/0xcf0 [ 29.486354][ T1943] ? netlink_deliver_tap+0xc5/0x330 [ 29.486357][ T1943] ? netlink_deliver_tap+0x13c/0x330 [ 29.486365][ T1943] netlink_unicast+0x486/0x750 [ 29.486372][ T1943] ? netlink_attachskb+0x810/0x810 [ 29.486376][ T1943] ? find_held_lock+0x2b/0x80 [ 29.486383][ T1943] netlink_sendmsg+0x75b/0xc90 [ 29.486390][ T1943] ? netlink_unicast+0x750/0x750 [ 29.486396][ T1943] ? __lock_release.isra.0+0x69/0x1a0 [ 29.486398][ T1943] ? __import_iovec+0x36c/0x620 [ 29.486406][ T1943] __sock_sendmsg+0xce/0x190 [ 29.486411][ T1943] ____sys_sendmsg+0x61a/0x860 [ 29.486414][ T1943] ? copy_msghdr_from_user+0x279/0x420 [ 29.486418][ T1943] ? sock_write_iter+0x400/0x400 [ 29.486420][ T1943] ? move_addr_to_kernel+0x40/0x40 [ 29.486433][ T1943] ___sys_sendmsg+0x14e/0x1d0 [ 29.486444][ T1943] ? copy_msghdr_from_user+0x420/0x420 [ 29.486472][ T1943] __sys_sendmsg+0x12c/0x1d0 [ 29.486477][ T1943] ? __sys_sendmsg_sock+0x20/0x20 [ 29.486487][ T1943] ? rcu_is_watching+0x16/0xd0 [ 29.486492][ T1943] do_syscall_64+0xff/0x530 [ 29.486496][ T1943] ? exc_page_fault+0xee/0x100 [ 29.486501][ T1943] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.486504][ T1943] RIP: 0033:0x7f07c88d854e [ 29.486507][ T1943] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 29.486510][ T1943] RSP: 002b:00007ffcd3b655e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.486513][ T1943] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f07c88d854e [ 29.486515][ T1943] RDX: 0000000000000000 RSI: 00007ffcd3b65690 RDI: 0000000000000005 [ 29.486517][ T1943] RBP: 00007ffcd3b655f0 R08: 0000000000000000 R09: 0000000000000000 [ 29.486518][ T1943] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ce3 [ 29.486520][ T1943] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd3b65d50 [ 29.486532][ T1943] [ 29.624760][ T1951] br: port 2(d2) entered disabled state [ 29.965659][ T1989] br: port 2(d2) entered blocking state [ 29.965945][ T1989] br: port 2(d2) entered forwarding state [ 30.001522][ T1991] br: port 1(d1) entered blocking state [ 30.001801][ T1991] br: port 1(d1) entered forwarding state [ 30.090139][ T1999] br: port 1(d1) entered disabled state [ 30.178757][ T2007] br: port 2(d2) entered disabled state [ 30.259546][ T2015] br: port 3(d3) entered disabled state [ 31.541495][ T39] br: port 3(d3) entered blocking state [ 31.541515][ T39] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.541517][ T39] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 39, name: kworker/u20:0 [ 31.541519][ T39] preempt_count: 202, expected: 0 [ 31.541520][ T39] RCU nest depth: 0, expected: 0 [ 31.541521][ T39] locks held by kworker/u20:0/39: 8, last CPU#3: [ 31.541523][ T39] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 31.541536][ T39] #1: ffa00000002bfd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 31.541540][ T39] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 31.541545][ T39] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 31.541551][ T39] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.541555][ T39] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.541559][ T39] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.541563][ T39] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 31.541567][ T39] irq event stamp: 146795 [ 31.541568][ T39] hardirqs last enabled at (146794): [] __down_trylock_console_sem+0x86/0xa0 [ 31.541571][ T39] hardirqs last disabled at (146795): [] console_emit_next_record+0x3d4/0x4c0 [ 31.541573][ T39] softirqs last enabled at (146756): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 31.541575][ T39] softirqs last disabled at (146790): [] br_port_carrier_check+0x161/0x430 [ 31.541578][ T39] Preemption disabled at: [ 31.541578][ T39] [<0000000000000000>] 0x0 [ 31.541585][ T39] CPU: 3 UID: 0 PID: 39 Comm: kworker/u20:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.541589][ T39] Tainted: [W]=WARN [ 31.541590][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.541592][ T39] Workqueue: events_unbound linkwatch_event [ 31.541595][ T39] Call Trace: [ 31.541597][ T39] [ 31.541599][ T39] dump_stack_lvl+0x6f/0xa0 [ 31.541605][ T39] __might_resched.cold+0x1fe/0x2c1 [ 31.541609][ T39] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.541613][ T39] ? __kmalloc_noprof+0xdb/0x760 [ 31.541618][ T39] __kmalloc_noprof+0x443/0x760 [ 31.541620][ T39] ? alloc_buf.isra.0+0x4b/0x260 [ 31.541626][ T39] ? do_raw_spin_unlock+0x59/0x250 [ 31.541629][ T39] alloc_buf.isra.0+0x4b/0x260 [ 31.541633][ T39] put_chars+0x1e1/0x2f0 [ 31.541636][ T39] ? __send_to_port+0x420/0x420 [ 31.541638][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.541641][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.541644][ T39] ? validate_chain+0x38b/0xc20 [ 31.541648][ T39] hvc_console_print+0x292/0x780 [ 31.541653][ T39] ? mark_usage+0x61/0x170 [ 31.541654][ T39] ? __lock_acquire+0x518/0xc20 [ 31.541656][ T39] ? __lock_acquire+0x518/0xc20 [ 31.541661][ T39] ? hvc_write+0x3a0/0x3a0 [ 31.541662][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 31.541667][ T39] ? lock_acquire+0x13c/0x160 [ 31.541671][ T39] console_emit_next_record+0x22f/0x4c0 [ 31.541675][ T39] ? devkmsg_read+0x4b0/0x4b0 [ 31.541677][ T39] ? console_flush_one_record+0x106/0x710 [ 31.541680][ T39] ? rcu_is_watching+0x16/0xd0 [ 31.541682][ T39] ? lock_acquire+0x13c/0x160 [ 31.541686][ T39] console_flush_one_record+0x46f/0x710 [ 31.541691][ T39] ? console_emit_next_record+0x4c0/0x4c0 [ 31.541693][ T39] ? __lock_acquire+0x518/0xc20 [ 31.541698][ T39] console_unlock+0xee/0x1f0 [ 31.541701][ T39] ? console_flush_one_record+0x710/0x710 [ 31.541703][ T39] ? rcu_is_watching+0x16/0xd0 [ 31.541705][ T39] ? lock_acquire+0xe0/0x160 [ 31.541708][ T39] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.541710][ T39] ? vprintk_emit+0x320/0x3e0 [ 31.541713][ T39] vprintk_emit+0x37c/0x3e0 [ 31.541716][ T39] ? wake_up_klogd_work_func+0x90/0x90 [ 31.541718][ T39] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.541720][ T39] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.541724][ T39] _printk+0xc7/0x100 [ 31.541728][ T39] ? snapshot_read.cold+0x21/0x21 [ 31.541733][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 31.541737][ T39] br_set_state+0x22f/0x430 [ 31.541741][ T39] br_init_port+0xc4/0x200 [ 31.541743][ T39] br_stp_enable_port+0x12/0x50 [ 31.541745][ T39] br_port_carrier_check+0x220/0x430 [ 31.541749][ T39] br_device_event+0x52d/0x8f0 [ 31.541753][ T39] ? packet_sendmsg_spkt+0x1360/0x1360 [ 31.541754][ T39] ? nlmsg_notify+0x62/0x250 [ 31.541761][ T39] notifier_call_chain+0xae/0x300 [ 31.541767][ T39] netif_state_change+0x139/0x3d0 [ 31.541772][ T39] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 31.541776][ T39] ? linkwatch_do_dev+0xae/0xd0 [ 31.541779][ T39] __linkwatch_run_queue+0x350/0x850 [ 31.541782][ T39] ? linkwatch_do_dev+0xd0/0xd0 [ 31.541784][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 31.541789][ T39] linkwatch_event+0x7f/0xb0 [ 31.541791][ T39] ? __linkwatch_run_queue+0x850/0x850 [ 31.541794][ T39] process_one_work+0xe3e/0x1560 [ 31.541801][ T39] ? __queue_delayed_work+0x470/0x470 [ 31.541804][ T39] ? lock_acquire.part.0+0xd4/0x280 [ 31.541811][ T39] worker_thread+0x4f1/0xd60 [ 31.541819][ T39] ? rescuer_thread+0x1340/0x1340 [ 31.541821][ T39] kthread+0x367/0x460 [ 31.541823][ T39] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.541826][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.541829][ T39] ret_from_fork+0x474/0x6b0 [ 31.541834][ T39] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 31.541837][ T39] ? __switch_to+0x5a3/0xe00 [ 31.541841][ T39] ? kthread_affine_preferred+0x4c0/0x4c0 [ 31.541843][ T39] ret_from_fork_asm+0x11/0x20 [ 31.541852][ T39] [ 31.563682][ T39] br: port 3(d3) entered forwarding state [ 31.587688][ T46] br: port 2(d2) entered blocking state [ 31.587925][ T46] br: port 2(d2) entered forwarding state [ 31.626859][ T38] br: port 1(d1) entered blocking state [ 31.627100][ T38] br: port 1(d1) entered forwarding state [ 32.341104][ T2203] br: port 1(d1) entered disabled state [ 32.925156][ T2254] br: port 1(d1) entered blocking state [ 32.925177][ T2254] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.925179][ T2254] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2254, name: ip [ 32.925180][ T2254] preempt_count: 202, expected: 0 [ 32.925181][ T2254] RCU nest depth: 0, expected: 0 [ 32.925182][ T2254] locks held by ip/2254: 6, last CPU#0: [ 32.925184][ T2254] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 32.925197][ T2254] #1: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 32.925202][ T2254] #2: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.925207][ T2254] #3: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.925212][ T2254] #4: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.925215][ T2254] #5: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 32.925219][ T2254] irq event stamp: 16779 [ 32.925220][ T2254] hardirqs last enabled at (16778): [] __down_trylock_console_sem+0x86/0xa0 [ 32.925223][ T2254] hardirqs last disabled at (16779): [] console_emit_next_record+0x3d4/0x4c0 [ 32.925225][ T2254] softirqs last enabled at (16738): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 32.925228][ T2254] softirqs last disabled at (16772): [] br_device_event+0x5fd/0x8f0 [ 32.925231][ T2254] Preemption disabled at: [ 32.925231][ T2254] [<0000000000000000>] 0x0 [ 32.925238][ T2254] CPU: 0 UID: 0 PID: 2254 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.925242][ T2254] Tainted: [W]=WARN [ 32.925243][ T2254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.925244][ T2254] Call Trace: [ 32.925246][ T2254] [ 32.925248][ T2254] dump_stack_lvl+0x6f/0xa0 [ 32.925254][ T2254] __might_resched.cold+0x1fe/0x2c1 [ 32.925259][ T2254] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.925263][ T2254] ? __kmalloc_noprof+0xdb/0x760 [ 32.925268][ T2254] __kmalloc_noprof+0x443/0x760 [ 32.925269][ T2254] ? alloc_buf.isra.0+0x4b/0x260 [ 32.925276][ T2254] ? do_raw_spin_unlock+0x59/0x250 [ 32.925279][ T2254] alloc_buf.isra.0+0x4b/0x260 [ 32.925283][ T2254] put_chars+0x1e1/0x2f0 [ 32.925285][ T2254] ? __send_to_port+0x420/0x420 [ 32.925286][ T2254] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.925290][ T2254] ? validate_chain+0x38b/0xc20 [ 32.925296][ T2254] hvc_console_print+0x292/0x780 [ 32.925304][ T2254] ? hvc_write+0x3a0/0x3a0 [ 32.925306][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925308][ T2254] ? lock_acquire+0x13c/0x160 [ 32.925312][ T2254] console_emit_next_record+0x22f/0x4c0 [ 32.925317][ T2254] ? devkmsg_read+0x4b0/0x4b0 [ 32.925318][ T2254] ? console_flush_one_record+0x106/0x710 [ 32.925322][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925323][ T2254] ? lock_acquire+0x13c/0x160 [ 32.925328][ T2254] console_flush_one_record+0x46f/0x710 [ 32.925332][ T2254] ? console_emit_next_record+0x4c0/0x4c0 [ 32.925334][ T2254] ? __lock_acquire+0x518/0xc20 [ 32.925339][ T2254] console_unlock+0xee/0x1f0 [ 32.925342][ T2254] ? console_flush_one_record+0x710/0x710 [ 32.925344][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925346][ T2254] ? lock_acquire+0xe0/0x160 [ 32.925349][ T2254] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.925351][ T2254] ? vprintk_emit+0x320/0x3e0 [ 32.925354][ T2254] vprintk_emit+0x37c/0x3e0 [ 32.925357][ T2254] ? wake_up_klogd_work_func+0x90/0x90 [ 32.925363][ T2254] _printk+0xc7/0x100 [ 32.925367][ T2254] ? snapshot_read.cold+0x21/0x21 [ 32.925372][ T2254] ? lock_acquire.part.0+0xd4/0x280 [ 32.925376][ T2254] br_set_state+0x22f/0x430 [ 32.925381][ T2254] br_init_port+0xc4/0x200 [ 32.925383][ T2254] br_stp_enable_port+0x12/0x50 [ 32.925385][ T2254] br_device_event+0x605/0x8f0 [ 32.925388][ T2254] ? packet_sendmsg_spkt+0x1360/0x1360 [ 32.925390][ T2254] ? nlmsg_notify+0x62/0x250 [ 32.925397][ T2254] notifier_call_chain+0xae/0x300 [ 32.925403][ T2254] __dev_notify_flags+0x1b7/0x450 [ 32.925408][ T2254] ? netif_change_name+0x8c0/0x8c0 [ 32.925412][ T2254] ? netif_set_allmulti+0x2c0/0x2c0 [ 32.925414][ T2254] ? kernel_text_address+0x149/0x170 [ 32.925417][ T2254] ? __kernel_text_address+0x12/0x30 [ 32.925419][ T2254] ? write_profile+0xf0/0xf0 [ 32.925424][ T2254] netif_change_flags+0xfe/0x190 [ 32.925428][ T2254] do_setlink.isra.0+0x1d25/0x2a60 [ 32.925431][ T2254] ? stack_trace_save+0x93/0xc0 [ 32.925433][ T2254] ? rtnl_link_get_size+0x350/0x350 [ 32.925435][ T2254] ? rcu_read_lock_any_held+0x66/0x90 [ 32.925438][ T2254] ? stack_depot_save_flags+0x38e/0x790 [ 32.925441][ T2254] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 32.925443][ T2254] ? rcu_read_lock_any_held+0x3c/0x90 [ 32.925445][ T2254] ? validate_chain+0x38b/0xc20 [ 32.925447][ T2254] ? kasan_save_stack+0x3d/0x50 [ 32.925455][ T2254] ? kasan_save_stack+0x2f/0x50 [ 32.925456][ T2254] ? kasan_save_track+0x14/0x30 [ 32.925457][ T2254] ? __kasan_kmalloc+0x7b/0x90 [ 32.925459][ T2254] ? __lock_acquire+0x518/0xc20 [ 32.925461][ T2254] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 32.925465][ T2254] ? ___sys_sendmsg+0xd0/0x1d0 [ 32.925469][ T2254] ? lock_acquire.part.0+0xd4/0x280 [ 32.925471][ T2254] ? rtnl_newlink+0x9a8/0x11b0 [ 32.925473][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925475][ T2254] ? lock_acquire+0x13c/0x160 [ 32.925476][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925478][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925479][ T2254] ? trace_contention_end+0xb3/0x180 [ 32.925482][ T2254] ? __mutex_lock+0x1db/0x1ea0 [ 32.925485][ T2254] ? __mutex_lock+0x9a3/0x1ea0 [ 32.925486][ T2254] ? rtnl_newlink+0x9a8/0x11b0 [ 32.925490][ T2254] ? ww_mutex_lock+0x160/0x160 [ 32.925493][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925496][ T2254] ? __rtnl_newlink+0x3fa/0xa50 [ 32.925501][ T2254] rtnl_newlink+0x9f1/0x11b0 [ 32.925506][ T2254] ? rtnl_bridge_getlink+0x850/0x850 [ 32.925508][ T2254] ? __lock_acquire+0x518/0xc20 [ 32.925513][ T2254] ? lock_acquire.part.0+0xd4/0x280 [ 32.925515][ T2254] ? find_held_lock+0x2b/0x80 [ 32.925517][ T2254] ? rtnl_bridge_getlink+0x850/0x850 [ 32.925519][ T2254] ? __lock_release.isra.0+0x69/0x1a0 [ 32.925522][ T2254] ? rtnl_bridge_getlink+0x850/0x850 [ 32.925524][ T2254] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 32.925528][ T2254] ? rtnl_link_fill+0x920/0x920 [ 32.925529][ T2254] ? __lock_acquire+0x518/0xc20 [ 32.925533][ T2254] ? lock_acquire.part.0+0xd4/0x280 [ 32.925535][ T2254] ? find_held_lock+0x2b/0x80 [ 32.925539][ T2254] netlink_rcv_skb+0x14e/0x3a0 [ 32.925541][ T2254] ? rtnl_link_fill+0x920/0x920 [ 32.925544][ T2254] ? netlink_ack+0xcf0/0xcf0 [ 32.925550][ T2254] ? netlink_deliver_tap+0xc5/0x330 [ 32.925552][ T2254] ? netlink_deliver_tap+0x13c/0x330 [ 32.925557][ T2254] netlink_unicast+0x486/0x750 [ 32.925561][ T2254] ? netlink_attachskb+0x810/0x810 [ 32.925563][ T2254] ? find_held_lock+0x2b/0x80 [ 32.925568][ T2254] netlink_sendmsg+0x75b/0xc90 [ 32.925572][ T2254] ? netlink_unicast+0x750/0x750 [ 32.925575][ T2254] ? __lock_release.isra.0+0x69/0x1a0 [ 32.925577][ T2254] ? __import_iovec+0x36c/0x620 [ 32.925582][ T2254] __sock_sendmsg+0xce/0x190 [ 32.925585][ T2254] ____sys_sendmsg+0x61a/0x860 [ 32.925587][ T2254] ? copy_msghdr_from_user+0x279/0x420 [ 32.925590][ T2254] ? sock_write_iter+0x400/0x400 [ 32.925591][ T2254] ? move_addr_to_kernel+0x40/0x40 [ 32.925599][ T2254] ___sys_sendmsg+0x14e/0x1d0 [ 32.925601][ T2254] ? copy_msghdr_from_user+0x420/0x420 [ 32.925617][ T2254] __sys_sendmsg+0x12c/0x1d0 [ 32.925620][ T2254] ? __sys_sendmsg_sock+0x20/0x20 [ 32.925626][ T2254] ? rcu_is_watching+0x16/0xd0 [ 32.925629][ T2254] do_syscall_64+0xff/0x530 [ 32.925632][ T2254] ? exc_page_fault+0xee/0x100 [ 32.925635][ T2254] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.925637][ T2254] RIP: 0033:0x7fbcd5a2c54e [ 32.925639][ T2254] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.925641][ T2254] RSP: 002b:00007ffda16ceae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.925644][ T2254] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbcd5a2c54e [ 32.925645][ T2254] RDX: 0000000000000000 RSI: 00007ffda16ceb90 RDI: 0000000000000005 [ 32.925646][ T2254] RBP: 00007ffda16ceaf0 R08: 0000000000000000 R09: 0000000000000000 [ 32.925647][ T2254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ce7 [ 32.925648][ T2254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda16cf250 [ 32.925655][ T2254] [ 32.963577][ T2254] br: port 1(d1) entered forwarding state [ 33.058358][ T2262] br: port 2(d2) entered disabled state [ 33.625972][ T46] br: port 2(d2) entered blocking state [ 33.626244][ T46] br: port 2(d2) entered forwarding state [ 33.707098][ T2321] br: port 1(d1) entered disabled state [ 33.789844][ T2329] br: port 2(d2) entered disabled state [ 34.360975][ T38] br: port 2(d2) entered blocking state [ 34.360995][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.360997][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 34.360998][ T38] preempt_count: 202, expected: 0 [ 34.361000][ T38] RCU nest depth: 0, expected: 0 [ 34.361000][ T38] locks held by kworker/u19:0/38: 8, last CPU#2: [ 34.361002][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 34.361015][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 34.361019][ T38] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 34.361025][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 34.361031][ T38] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 34.361035][ T38] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 34.361039][ T38] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 34.361042][ T38] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 34.361046][ T38] irq event stamp: 352683 [ 34.361047][ T38] hardirqs last enabled at (352682): [] __down_trylock_console_sem+0x86/0xa0 [ 34.361050][ T38] hardirqs last disabled at (352683): [] console_emit_next_record+0x3d4/0x4c0 [ 34.361052][ T38] softirqs last enabled at (352644): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 34.361055][ T38] softirqs last disabled at (352678): [] br_port_carrier_check+0x161/0x430 [ 34.361058][ T38] Preemption disabled at: [ 34.361058][ T38] [<0000000000000000>] 0x0 [ 34.361065][ T38] CPU: 2 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.361069][ T38] Tainted: [W]=WARN [ 34.361070][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.361072][ T38] Workqueue: events_unbound linkwatch_event [ 34.361075][ T38] Call Trace: [ 34.361079][ T38] [ 34.361080][ T38] dump_stack_lvl+0x6f/0xa0 [ 34.361087][ T38] __might_resched.cold+0x1fe/0x2c1 [ 34.361092][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.361096][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 34.361100][ T38] __kmalloc_noprof+0x443/0x760 [ 34.361102][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 34.361109][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 34.361112][ T38] alloc_buf.isra.0+0x4b/0x260 [ 34.361116][ T38] put_chars+0x1e1/0x2f0 [ 34.361118][ T38] ? __send_to_port+0x420/0x420 [ 34.361121][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.361124][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.361127][ T38] ? validate_chain+0x38b/0xc20 [ 34.361131][ T38] hvc_console_print+0x292/0x780 [ 34.361135][ T38] ? mark_usage+0x61/0x170 [ 34.361137][ T38] ? __lock_acquire+0x518/0xc20 [ 34.361139][ T38] ? __lock_acquire+0x518/0xc20 [ 34.361143][ T38] ? hvc_write+0x3a0/0x3a0 [ 34.361145][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 34.361150][ T38] ? lock_acquire+0x13c/0x160 [ 34.361154][ T38] console_emit_next_record+0x22f/0x4c0 [ 34.361158][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 34.361160][ T38] ? console_flush_one_record+0x106/0x710 [ 34.361163][ T38] ? rcu_is_watching+0x16/0xd0 [ 34.361165][ T38] ? lock_acquire+0x13c/0x160 [ 34.361169][ T38] console_flush_one_record+0x46f/0x710 [ 34.361174][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 34.361176][ T38] ? __lock_acquire+0x518/0xc20 [ 34.361181][ T38] console_unlock+0xee/0x1f0 [ 34.361184][ T38] ? console_flush_one_record+0x710/0x710 [ 34.361186][ T38] ? rcu_is_watching+0x16/0xd0 [ 34.361188][ T38] ? lock_acquire+0xe0/0x160 [ 34.361192][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.361193][ T38] ? vprintk_emit+0x320/0x3e0 [ 34.361196][ T38] vprintk_emit+0x37c/0x3e0 [ 34.361199][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 34.361201][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 34.361203][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 34.361207][ T38] _printk+0xc7/0x100 [ 34.361211][ T38] ? snapshot_read.cold+0x21/0x21 [ 34.361216][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 34.361220][ T38] br_set_state+0x22f/0x430 [ 34.361224][ T38] br_init_port+0xc4/0x200 [ 34.361227][ T38] br_stp_enable_port+0x12/0x50 [ 34.361229][ T38] br_port_carrier_check+0x220/0x430 [ 34.361232][ T38] br_device_event+0x52d/0x8f0 [ 34.361236][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 34.361237][ T38] ? nlmsg_notify+0x62/0x250 [ 34.361244][ T38] notifier_call_chain+0xae/0x300 [ 34.361250][ T38] netif_state_change+0x139/0x3d0 [ 34.361255][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 34.361260][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 34.361262][ T38] __linkwatch_run_queue+0x350/0x850 [ 34.361265][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 34.361268][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 34.361272][ T38] linkwatch_event+0x7f/0xb0 [ 34.361274][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 34.361278][ T38] process_one_work+0xe3e/0x1560 [ 34.361284][ T38] ? __queue_delayed_work+0x470/0x470 [ 34.361287][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 34.361295][ T38] worker_thread+0x4f1/0xd60 [ 34.361302][ T38] ? rescuer_thread+0x1340/0x1340 [ 34.361305][ T38] kthread+0x367/0x460 [ 34.361307][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.361310][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.361313][ T38] ret_from_fork+0x474/0x6b0 [ 34.361317][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 34.361321][ T38] ? __switch_to+0x5a3/0xe00 [ 34.361324][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 34.361327][ T38] ret_from_fork_asm+0x11/0x20 [ 34.361336][ T38] [ 34.390872][ T38] br: port 2(d2) entered forwarding state [ 34.392808][ T46] br: port 1(d1) entered blocking state [ 34.393375][ T46] br: port 1(d1) entered forwarding state [ 34.476855][ T2390] br: port 1(d1) entered disabled state [ 34.568251][ T2398] br: port 2(d2) entered disabled state [ 34.657325][ T2406] br: port 3(d3) entered disabled state [ 35.341507][ T64] br: port 3(d3) entered blocking state [ 35.341773][ T64] br: port 3(d3) entered forwarding state [ 35.389747][ T38] br: port 2(d2) entered blocking state [ 35.389767][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 35.389770][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 35.389772][ T38] preempt_count: 202, expected: 0 [ 35.389773][ T38] RCU nest depth: 0, expected: 0 [ 35.389775][ T38] locks held by kworker/u19:0/38: 8, last CPU#2: [ 35.389777][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 35.389792][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 35.389798][ T38] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 35.389806][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 35.389813][ T38] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 35.389819][ T38] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 35.389825][ T38] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 35.389830][ T38] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 35.389836][ T38] irq event stamp: 374663 [ 35.389837][ T38] hardirqs last enabled at (374662): [] __down_trylock_console_sem+0x86/0xa0 [ 35.389841][ T38] hardirqs last disabled at (374663): [] console_emit_next_record+0x3d4/0x4c0 [ 35.389844][ T38] softirqs last enabled at (374624): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 35.389848][ T38] softirqs last disabled at (374658): [] br_port_carrier_check+0x161/0x430 [ 35.389851][ T38] Preemption disabled at: [ 35.389852][ T38] [<0000000000000000>] 0x0 [ 35.389861][ T38] CPU: 2 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 35.389865][ T38] Tainted: [W]=WARN [ 35.389866][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.389869][ T38] Workqueue: events_unbound linkwatch_event [ 35.389873][ T38] Call Trace: [ 35.389875][ T38] [ 35.389877][ T38] dump_stack_lvl+0x6f/0xa0 [ 35.389885][ T38] __might_resched.cold+0x1fe/0x2c1 [ 35.389891][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 35.389897][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 35.389903][ T38] __kmalloc_noprof+0x443/0x760 [ 35.389907][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 35.389917][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 35.389920][ T38] alloc_buf.isra.0+0x4b/0x260 [ 35.389926][ T38] put_chars+0x1e1/0x2f0 [ 35.389930][ T38] ? __send_to_port+0x420/0x420 [ 35.389935][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.389940][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.389943][ T38] ? validate_chain+0x38b/0xc20 [ 35.389951][ T38] hvc_console_print+0x292/0x780 [ 35.389956][ T38] ? mark_usage+0x61/0x170 [ 35.389958][ T38] ? __lock_acquire+0x518/0xc20 [ 35.389961][ T38] ? __lock_acquire+0x518/0xc20 [ 35.389969][ T38] ? hvc_write+0x3a0/0x3a0 [ 35.389971][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 35.389979][ T38] ? lock_acquire+0x13c/0x160 [ 35.389986][ T38] console_emit_next_record+0x22f/0x4c0 [ 35.389993][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 35.389995][ T38] ? console_flush_one_record+0x106/0x710 [ 35.390001][ T38] ? rcu_is_watching+0x16/0xd0 [ 35.390004][ T38] ? lock_acquire+0x13c/0x160 [ 35.390011][ T38] console_flush_one_record+0x46f/0x710 [ 35.390018][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 35.390021][ T38] ? __lock_acquire+0x518/0xc20 [ 35.390031][ T38] console_unlock+0xee/0x1f0 [ 35.390036][ T38] ? console_flush_one_record+0x710/0x710 [ 35.390038][ T38] ? rcu_is_watching+0x16/0xd0 [ 35.390042][ T38] ? lock_acquire+0xe0/0x160 [ 35.390048][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 35.390051][ T38] ? vprintk_emit+0x320/0x3e0 [ 35.390056][ T38] vprintk_emit+0x37c/0x3e0 [ 35.390062][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 35.390065][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 35.390069][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 35.390075][ T38] _printk+0xc7/0x100 [ 35.390083][ T38] ? snapshot_read.cold+0x21/0x21 [ 35.390092][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 35.390099][ T38] br_set_state+0x22f/0x430 [ 35.390106][ T38] br_init_port+0xc4/0x200 [ 35.390110][ T38] br_stp_enable_port+0x12/0x50 [ 35.390113][ T38] br_port_carrier_check+0x220/0x430 [ 35.390120][ T38] br_device_event+0x52d/0x8f0 [ 35.390125][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 35.390127][ T38] ? nlmsg_notify+0x62/0x250 [ 35.390138][ T38] notifier_call_chain+0xae/0x300 [ 35.390148][ T38] netif_state_change+0x139/0x3d0 [ 35.390155][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 35.390164][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 35.390167][ T38] __linkwatch_run_queue+0x350/0x850 [ 35.390173][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 35.390177][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 35.390185][ T38] linkwatch_event+0x7f/0xb0 [ 35.390188][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 35.390194][ T38] process_one_work+0xe3e/0x1560 [ 35.390206][ T38] ? __queue_delayed_work+0x470/0x470 [ 35.390210][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 35.390224][ T38] worker_thread+0x4f1/0xd60 [ 35.390236][ T38] ? rescuer_thread+0x1340/0x1340 [ 35.390240][ T38] kthread+0x367/0x460 [ 35.390243][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 35.390247][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 35.390252][ T38] ret_from_fork+0x474/0x6b0 [ 35.390258][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 35.390264][ T38] ? __switch_to+0x5a3/0xe00 [ 35.390268][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 35.390273][ T38] ret_from_fork_asm+0x11/0x20 [ 35.390288][ T38] [ 35.434440][ T38] br: port 2(d2) entered forwarding state [ 35.436955][ T46] br: port 1(d1) entered blocking state [ 35.437258][ T46] br: port 1(d1) entered forwarding state [ 36.211027][ T2517] br: port 1(d1) entered disabled state [ 36.864387][ T38] br: port 1(d1) entered blocking state [ 36.864411][ T38] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 36.864414][ T38] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 38, name: kworker/u19:0 [ 36.864416][ T38] preempt_count: 202, expected: 0 [ 36.864417][ T38] RCU nest depth: 0, expected: 0 [ 36.864419][ T38] locks held by kworker/u19:0/38: 8, last CPU#2: [ 36.864422][ T38] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 36.864438][ T38] #1: ffa00000002afd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 36.864444][ T38] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 36.864451][ T38] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 36.864459][ T38] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 36.864470][ T38] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 36.864476][ T38] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 36.864482][ T38] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 36.864488][ T38] irq event stamp: 396587 [ 36.864489][ T38] hardirqs last enabled at (396586): [] __down_trylock_console_sem+0x86/0xa0 [ 36.864493][ T38] hardirqs last disabled at (396587): [] console_emit_next_record+0x3d4/0x4c0 [ 36.864496][ T38] softirqs last enabled at (396548): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 36.864500][ T38] softirqs last disabled at (396582): [] br_port_carrier_check+0x161/0x430 [ 36.864504][ T38] Preemption disabled at: [ 36.864505][ T38] [<0000000000000000>] 0x0 [ 36.864513][ T38] CPU: 2 UID: 0 PID: 38 Comm: kworker/u19:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 36.864518][ T38] Tainted: [W]=WARN [ 36.864519][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.864521][ T38] Workqueue: events_unbound linkwatch_event [ 36.864526][ T38] Call Trace: [ 36.864528][ T38] [ 36.864531][ T38] dump_stack_lvl+0x6f/0xa0 [ 36.864539][ T38] __might_resched.cold+0x1fe/0x2c1 [ 36.864545][ T38] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 36.864551][ T38] ? __kmalloc_noprof+0xdb/0x760 [ 36.864558][ T38] __kmalloc_noprof+0x443/0x760 [ 36.864561][ T38] ? alloc_buf.isra.0+0x4b/0x260 [ 36.864571][ T38] ? do_raw_spin_unlock+0x59/0x250 [ 36.864575][ T38] alloc_buf.isra.0+0x4b/0x260 [ 36.864581][ T38] put_chars+0x1e1/0x2f0 [ 36.864585][ T38] ? __send_to_port+0x420/0x420 [ 36.864590][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.864595][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.864598][ T38] ? validate_chain+0x38b/0xc20 [ 36.864606][ T38] hvc_console_print+0x292/0x780 [ 36.864611][ T38] ? mark_usage+0x61/0x170 [ 36.864614][ T38] ? __lock_acquire+0x518/0xc20 [ 36.864616][ T38] ? __lock_acquire+0x518/0xc20 [ 36.864624][ T38] ? hvc_write+0x3a0/0x3a0 [ 36.864627][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 36.864634][ T38] ? lock_acquire+0x13c/0x160 [ 36.864642][ T38] console_emit_next_record+0x22f/0x4c0 [ 36.864648][ T38] ? devkmsg_read+0x4b0/0x4b0 [ 36.864651][ T38] ? console_flush_one_record+0x106/0x710 [ 36.864657][ T38] ? rcu_is_watching+0x16/0xd0 [ 36.864660][ T38] ? lock_acquire+0x13c/0x160 [ 36.864667][ T38] console_flush_one_record+0x46f/0x710 [ 36.864674][ T38] ? console_emit_next_record+0x4c0/0x4c0 [ 36.864677][ T38] ? __lock_acquire+0x518/0xc20 [ 36.864687][ T38] console_unlock+0xee/0x1f0 [ 36.864692][ T38] ? console_flush_one_record+0x710/0x710 [ 36.864695][ T38] ? rcu_is_watching+0x16/0xd0 [ 36.864698][ T38] ? lock_acquire+0xe0/0x160 [ 36.864704][ T38] ? __down_trylock_console_sem+0x5e/0xa0 [ 36.864707][ T38] ? vprintk_emit+0x320/0x3e0 [ 36.864712][ T38] vprintk_emit+0x37c/0x3e0 [ 36.864717][ T38] ? wake_up_klogd_work_func+0x90/0x90 [ 36.864721][ T38] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 36.864724][ T38] ? rcu_read_lock_any_held+0x3c/0x90 [ 36.864731][ T38] _printk+0xc7/0x100 [ 36.864736][ T38] ? snapshot_read.cold+0x21/0x21 [ 36.864745][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 36.864752][ T38] br_set_state+0x22f/0x430 [ 36.864759][ T38] br_init_port+0xc4/0x200 [ 36.864764][ T38] br_stp_enable_port+0x12/0x50 [ 36.864767][ T38] br_port_carrier_check+0x220/0x430 [ 36.864773][ T38] br_device_event+0x52d/0x8f0 [ 36.864778][ T38] ? packet_sendmsg_spkt+0x1360/0x1360 [ 36.864781][ T38] ? nlmsg_notify+0x62/0x250 [ 36.864792][ T38] notifier_call_chain+0xae/0x300 [ 36.864802][ T38] netif_state_change+0x139/0x3d0 [ 36.864810][ T38] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 36.864818][ T38] ? linkwatch_do_dev+0xae/0xd0 [ 36.864822][ T38] __linkwatch_run_queue+0x350/0x850 [ 36.864827][ T38] ? linkwatch_do_dev+0xd0/0xd0 [ 36.864831][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 36.864839][ T38] linkwatch_event+0x7f/0xb0 [ 36.864843][ T38] ? __linkwatch_run_queue+0x850/0x850 [ 36.864849][ T38] process_one_work+0xe3e/0x1560 [ 36.864861][ T38] ? __queue_delayed_work+0x470/0x470 [ 36.864866][ T38] ? lock_acquire.part.0+0xd4/0x280 [ 36.864881][ T38] worker_thread+0x4f1/0xd60 [ 36.864894][ T38] ? rescuer_thread+0x1340/0x1340 [ 36.864897][ T38] kthread+0x367/0x460 [ 36.864900][ T38] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 36.864904][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 36.864909][ T38] ret_from_fork+0x474/0x6b0 [ 36.864916][ T38] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 36.864921][ T38] ? __switch_to+0x5a3/0xe00 [ 36.864926][ T38] ? kthread_affine_preferred+0x4c0/0x4c0 [ 36.864931][ T38] ret_from_fork_asm+0x11/0x20 [ 36.864947][ T38] [ 36.909350][ T38] br: port 1(d1) entered forwarding state [ 36.958101][ T2576] br: port 2(d2) entered disabled state [ 37.629779][ T46] br: port 2(d2) entered blocking state [ 37.630219][ T46] br: port 2(d2) entered forwarding state [ 37.733119][ T2635] br: port 1(d1) entered disabled state [ 37.836998][ T2643] br: port 2(d2) entered disabled state [ 38.428622][ T46] br: port 2(d2) entered blocking state [ 38.428642][ T46] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 38.428644][ T46] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 46, name: kworker/u17:1 [ 38.428646][ T46] preempt_count: 202, expected: 0 [ 38.428647][ T46] RCU nest depth: 0, expected: 0 [ 38.428648][ T46] locks held by kworker/u17:1/46: 8, last CPU#1: [ 38.428650][ T46] #0: ff1100000115a940 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 38.428662][ T46] #1: ffa000000032fd10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 38.428666][ T46] #2: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x4e/0xb0 [ 38.428672][ T46] #3: ff1100000241ae98 (&br->lock){+...}-{3:3}, at: br_port_carrier_check+0x161/0x430 [ 38.428677][ T46] #4: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 38.428681][ T46] #5: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 38.428685][ T46] #6: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 38.428689][ T46] #7: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 38.428693][ T46] irq event stamp: 215697 [ 38.428694][ T46] hardirqs last enabled at (215696): [] __down_trylock_console_sem+0x86/0xa0 [ 38.428697][ T46] hardirqs last disabled at (215697): [] console_emit_next_record+0x3d4/0x4c0 [ 38.428699][ T46] softirqs last enabled at (215658): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 38.428702][ T46] softirqs last disabled at (215692): [] br_port_carrier_check+0x161/0x430 [ 38.428705][ T46] Preemption disabled at: [ 38.428705][ T46] [<0000000000000000>] 0x0 [ 38.428712][ T46] CPU: 1 UID: 0 PID: 46 Comm: kworker/u17:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 38.428716][ T46] Tainted: [W]=WARN [ 38.428717][ T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.428718][ T46] Workqueue: events_unbound linkwatch_event [ 38.428722][ T46] Call Trace: [ 38.428723][ T46] [ 38.428725][ T46] dump_stack_lvl+0x6f/0xa0 [ 38.428732][ T46] __might_resched.cold+0x1fe/0x2c1 [ 38.428736][ T46] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 38.428741][ T46] ? __kmalloc_noprof+0xdb/0x760 [ 38.428745][ T46] __kmalloc_noprof+0x443/0x760 [ 38.428747][ T46] ? alloc_buf.isra.0+0x4b/0x260 [ 38.428754][ T46] ? do_raw_spin_unlock+0x59/0x250 [ 38.428757][ T46] alloc_buf.isra.0+0x4b/0x260 [ 38.428761][ T46] put_chars+0x1e1/0x2f0 [ 38.428763][ T46] ? __send_to_port+0x420/0x420 [ 38.428766][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.428769][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.428772][ T46] ? validate_chain+0x38b/0xc20 [ 38.428776][ T46] hvc_console_print+0x292/0x780 [ 38.428780][ T46] ? mark_usage+0x61/0x170 [ 38.428782][ T46] ? __lock_acquire+0x518/0xc20 [ 38.428784][ T46] ? __lock_acquire+0x518/0xc20 [ 38.428788][ T46] ? hvc_write+0x3a0/0x3a0 [ 38.428790][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 38.428794][ T46] ? lock_acquire+0x13c/0x160 [ 38.428799][ T46] console_emit_next_record+0x22f/0x4c0 [ 38.428803][ T46] ? devkmsg_read+0x4b0/0x4b0 [ 38.428804][ T46] ? console_flush_one_record+0x106/0x710 [ 38.428808][ T46] ? rcu_is_watching+0x16/0xd0 [ 38.428810][ T46] ? lock_acquire+0x13c/0x160 [ 38.428814][ T46] console_flush_one_record+0x46f/0x710 [ 38.428818][ T46] ? console_emit_next_record+0x4c0/0x4c0 [ 38.428820][ T46] ? __lock_acquire+0x518/0xc20 [ 38.428826][ T46] console_unlock+0xee/0x1f0 [ 38.428829][ T46] ? console_flush_one_record+0x710/0x710 [ 38.428831][ T46] ? rcu_is_watching+0x16/0xd0 [ 38.428832][ T46] ? lock_acquire+0xe0/0x160 [ 38.428836][ T46] ? __down_trylock_console_sem+0x5e/0xa0 [ 38.428838][ T46] ? vprintk_emit+0x320/0x3e0 [ 38.428841][ T46] vprintk_emit+0x37c/0x3e0 [ 38.428844][ T46] ? wake_up_klogd_work_func+0x90/0x90 [ 38.428846][ T46] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 38.428848][ T46] ? rcu_read_lock_any_held+0x3c/0x90 [ 38.428852][ T46] _printk+0xc7/0x100 [ 38.428855][ T46] ? snapshot_read.cold+0x21/0x21 [ 38.428861][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 38.428865][ T46] br_set_state+0x22f/0x430 [ 38.428869][ T46] br_init_port+0xc4/0x200 [ 38.428872][ T46] br_stp_enable_port+0x12/0x50 [ 38.428873][ T46] br_port_carrier_check+0x220/0x430 [ 38.428877][ T46] br_device_event+0x52d/0x8f0 [ 38.428881][ T46] ? packet_sendmsg_spkt+0x1360/0x1360 [ 38.428882][ T46] ? nlmsg_notify+0x62/0x250 [ 38.428889][ T46] notifier_call_chain+0xae/0x300 [ 38.428895][ T46] netif_state_change+0x139/0x3d0 [ 38.428900][ T46] ? call_netdevice_notifiers_info+0xd0/0xd0 [ 38.428905][ T46] ? linkwatch_do_dev+0xae/0xd0 [ 38.428907][ T46] __linkwatch_run_queue+0x350/0x850 [ 38.428910][ T46] ? linkwatch_do_dev+0xd0/0xd0 [ 38.428913][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 38.428917][ T46] linkwatch_event+0x7f/0xb0 [ 38.428919][ T46] ? __linkwatch_run_queue+0x850/0x850 [ 38.428923][ T46] process_one_work+0xe3e/0x1560 [ 38.428929][ T46] ? __queue_delayed_work+0x470/0x470 [ 38.428932][ T46] ? lock_acquire.part.0+0xd4/0x280 [ 38.428940][ T46] worker_thread+0x4f1/0xd60 [ 38.428947][ T46] ? rescuer_thread+0x1340/0x1340 [ 38.428949][ T46] kthread+0x367/0x460 [ 38.428952][ T46] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 38.428955][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.428958][ T46] ret_from_fork+0x474/0x6b0 [ 38.428962][ T46] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 38.428966][ T46] ? __switch_to+0x5a3/0xe00 [ 38.428969][ T46] ? kthread_affine_preferred+0x4c0/0x4c0 [ 38.428972][ T46] ret_from_fork_asm+0x11/0x20 [ 38.428980][ T46] [ 38.453267][ T46] br: port 2(d2) entered forwarding state [ 38.481047][ T39] br: port 1(d1) entered blocking state [ 38.481296][ T39] br: port 1(d1) entered forwarding state [ 38.563427][ T2704] br: port 1(d1) entered disabled state [ 38.647585][ T2712] br: port 2(d2) entered disabled state [ 38.744851][ T2720] br: port 3(d3) entered disabled state [ 39.329609][ T529] br: port 3(d3) entered blocking state [ 39.329853][ T529] br: port 3(d3) entered forwarding state [ 39.364879][ T39] br: port 2(d2) entered blocking state [ 39.365124][ T39] br: port 2(d2) entered forwarding state [ 39.398522][ T39] br: port 1(d1) entered blocking state [ 39.398775][ T39] br: port 1(d1) entered forwarding state [ 40.062123][ T2823] d3: left allmulticast mode [ 40.062143][ T2823] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.062145][ T2823] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 2823, name: ip [ 40.062147][ T2823] preempt_count: 1, expected: 0 [ 40.062148][ T2823] RCU nest depth: 0, expected: 0 [ 40.062149][ T2823] locks held by ip/2823: 5, last CPU#3: [ 40.062151][ T2823] #0: ffffffff93f1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 40.062163][ T2823] #1: ffffffff9377ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 40.062169][ T2823] #2: ffffffff9377de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 40.062173][ T2823] #3: ffffffff9369d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 40.062177][ T2823] #4: ffffffff9369d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 40.062181][ T2823] irq event stamp: 20736 [ 40.062182][ T2823] hardirqs last enabled at (20735): [] __down_trylock_console_sem+0x86/0xa0 [ 40.062185][ T2823] hardirqs last disabled at (20736): [] console_emit_next_record+0x3d4/0x4c0 [ 40.062187][ T2823] softirqs last enabled at (20702): [] __alloc_skb+0x4c2/0x5f0 [ 40.062190][ T2823] softirqs last disabled at (20700): [] __alloc_skb+0x4c2/0x5f0 [ 40.062193][ T2823] Preemption disabled at: [ 40.062194][ T2823] [] vprintk_emit+0x31b/0x3e0 [ 40.062199][ T2823] CPU: 3 UID: 0 PID: 2823 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.062202][ T2823] Tainted: [W]=WARN [ 40.062203][ T2823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.062205][ T2823] Call Trace: [ 40.062206][ T2823] [ 40.062208][ T2823] dump_stack_lvl+0x6f/0xa0 [ 40.062214][ T2823] ? vprintk_emit+0x31b/0x3e0 [ 40.062216][ T2823] __might_resched.cold+0x1fe/0x2c1 [ 40.062220][ T2823] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.062225][ T2823] ? __kmalloc_noprof+0xdb/0x760 [ 40.062229][ T2823] __kmalloc_noprof+0x443/0x760 [ 40.062231][ T2823] ? alloc_buf.isra.0+0x4b/0x260 [ 40.062238][ T2823] ? do_raw_spin_unlock+0x59/0x250 [ 40.062240][ T2823] alloc_buf.isra.0+0x4b/0x260 [ 40.062244][ T2823] put_chars+0x1e1/0x2f0 [ 40.062246][ T2823] ? __send_to_port+0x420/0x420 [ 40.062249][ T2823] ? validate_chain+0x38b/0xc20 [ 40.062255][ T2823] hvc_console_print+0x292/0x780 [ 40.062262][ T2823] ? hvc_write+0x3a0/0x3a0 [ 40.062265][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062268][ T2823] ? lock_acquire+0x13c/0x160 [ 40.062272][ T2823] console_emit_next_record+0x22f/0x4c0 [ 40.062276][ T2823] ? devkmsg_read+0x4b0/0x4b0 [ 40.062278][ T2823] ? console_flush_one_record+0x106/0x710 [ 40.062281][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062283][ T2823] ? lock_acquire+0x13c/0x160 [ 40.062287][ T2823] console_flush_one_record+0x46f/0x710 [ 40.062291][ T2823] ? console_emit_next_record+0x4c0/0x4c0 [ 40.062293][ T2823] ? __lock_acquire+0x518/0xc20 [ 40.062299][ T2823] console_unlock+0xee/0x1f0 [ 40.062302][ T2823] ? console_flush_one_record+0x710/0x710 [ 40.062303][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062305][ T2823] ? lock_acquire+0xe0/0x160 [ 40.062309][ T2823] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.062311][ T2823] ? vprintk_emit+0x320/0x3e0 [ 40.062313][ T2823] vprintk_emit+0x37c/0x3e0 [ 40.062316][ T2823] ? wake_up_klogd_work_func+0x90/0x90 [ 40.062318][ T2823] ? rtnl_newlink+0x9f1/0x11b0 [ 40.062319][ T2823] ? netlink_rcv_skb+0x14e/0x3a0 [ 40.062323][ T2823] ? netlink_unicast+0x486/0x750 [ 40.062324][ T2823] ? netlink_sendmsg+0x75b/0xc90 [ 40.062326][ T2823] ? __sock_sendmsg+0xce/0x190 [ 40.062329][ T2823] ? ____sys_sendmsg+0x61a/0x860 [ 40.062330][ T2823] ? ___sys_sendmsg+0x14e/0x1d0 [ 40.062334][ T2823] _printk+0xc7/0x100 [ 40.062337][ T2823] ? snapshot_read.cold+0x21/0x21 [ 40.062342][ T2823] ? netdev_name+0x43/0x60 [ 40.062346][ T2823] ? __netdev_printk+0x17f/0x1d0 [ 40.062350][ T2823] netdev_info+0xe2/0x116 [ 40.062353][ T2823] ? netdev_notice+0x120/0x120 [ 40.062357][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062359][ T2823] ? __up_read+0x355/0x9e0 [ 40.062361][ T2823] ? down_write_nested+0x200/0x200 [ 40.062363][ T2823] ? mutex_is_locked+0x1c/0x50 [ 40.062366][ T2823] netif_set_allmulti.cold+0x7c/0x166 [ 40.062370][ T2823] dev_set_allmulti+0xa6/0x240 [ 40.062373][ T2823] del_nbp+0xb7/0xc10 [ 40.062380][ T2823] br_del_if+0xab/0x200 [ 40.062382][ T2823] ? rtnl_is_locked+0x15/0x20 [ 40.062385][ T2823] do_set_master+0x15c/0x780 [ 40.062388][ T2823] do_setlink.isra.0+0x9ec/0x2a60 [ 40.062392][ T2823] ? stack_trace_save+0x93/0xc0 [ 40.062395][ T2823] ? rtnl_link_get_size+0x350/0x350 [ 40.062397][ T2823] ? rcu_read_lock_any_held+0x66/0x90 [ 40.062399][ T2823] ? stack_depot_save_flags+0x38e/0x790 [ 40.062403][ T2823] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 40.062405][ T2823] ? rcu_read_lock_any_held+0x3c/0x90 [ 40.062407][ T2823] ? validate_chain+0x38b/0xc20 [ 40.062409][ T2823] ? kasan_save_stack+0x3d/0x50 [ 40.062411][ T2823] ? kasan_save_stack+0x2f/0x50 [ 40.062413][ T2823] ? kasan_save_track+0x14/0x30 [ 40.062414][ T2823] ? __kasan_kmalloc+0x7b/0x90 [ 40.062416][ T2823] ? __lock_acquire+0x518/0xc20 [ 40.062418][ T2823] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 40.062421][ T2823] ? ___sys_sendmsg+0xd0/0x1d0 [ 40.062424][ T2823] ? lock_acquire.part.0+0xd4/0x280 [ 40.062426][ T2823] ? rtnl_newlink+0x9a8/0x11b0 [ 40.062429][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062430][ T2823] ? lock_acquire+0x13c/0x160 [ 40.062432][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062433][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062435][ T2823] ? trace_contention_end+0xb3/0x180 [ 40.062437][ T2823] ? __mutex_lock+0x1db/0x1ea0 [ 40.062440][ T2823] ? __mutex_lock+0x9a3/0x1ea0 [ 40.062442][ T2823] ? rtnl_newlink+0x9a8/0x11b0 [ 40.062445][ T2823] ? ww_mutex_lock+0x160/0x160 [ 40.062446][ T2823] ? nla_get_range_signed+0x3d0/0x3d0 [ 40.062451][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062453][ T2823] ? __rtnl_newlink+0x3fa/0xa50 [ 40.062459][ T2823] rtnl_newlink+0x9f1/0x11b0 [ 40.062464][ T2823] ? rtnl_bridge_getlink+0x850/0x850 [ 40.062466][ T2823] ? __lock_acquire+0x518/0xc20 [ 40.062471][ T2823] ? lock_acquire.part.0+0xd4/0x280 [ 40.062478][ T2823] ? find_held_lock+0x2b/0x80 [ 40.062480][ T2823] ? rtnl_bridge_getlink+0x850/0x850 [ 40.062482][ T2823] ? __lock_release.isra.0+0x69/0x1a0 [ 40.062485][ T2823] ? rtnl_bridge_getlink+0x850/0x850 [ 40.062487][ T2823] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 40.062490][ T2823] ? rtnl_link_fill+0x920/0x920 [ 40.062492][ T2823] ? __lock_acquire+0x518/0xc20 [ 40.062496][ T2823] ? lock_acquire.part.0+0xd4/0x280 [ 40.062498][ T2823] ? find_held_lock+0x2b/0x80 [ 40.062502][ T2823] netlink_rcv_skb+0x14e/0x3a0 [ 40.062503][ T2823] ? rtnl_link_fill+0x920/0x920 [ 40.062506][ T2823] ? netlink_ack+0xcf0/0xcf0 [ 40.062513][ T2823] ? netlink_deliver_tap+0xc5/0x330 [ 40.062515][ T2823] ? netlink_deliver_tap+0x13c/0x330 [ 40.062519][ T2823] netlink_unicast+0x486/0x750 [ 40.062523][ T2823] ? netlink_attachskb+0x810/0x810 [ 40.062526][ T2823] ? find_held_lock+0x2b/0x80 [ 40.062530][ T2823] netlink_sendmsg+0x75b/0xc90 [ 40.062534][ T2823] ? netlink_unicast+0x750/0x750 [ 40.062538][ T2823] ? __lock_release.isra.0+0x69/0x1a0 [ 40.062539][ T2823] ? __import_iovec+0x36c/0x620 [ 40.062545][ T2823] __sock_sendmsg+0xce/0x190 [ 40.062548][ T2823] ____sys_sendmsg+0x61a/0x860 [ 40.062550][ T2823] ? copy_msghdr_from_user+0x279/0x420 [ 40.062552][ T2823] ? sock_write_iter+0x400/0x400 [ 40.062554][ T2823] ? move_addr_to_kernel+0x40/0x40 [ 40.062561][ T2823] ___sys_sendmsg+0x14e/0x1d0 [ 40.062564][ T2823] ? copy_msghdr_from_user+0x420/0x420 [ 40.062579][ T2823] __sys_sendmsg+0x12c/0x1d0 [ 40.062582][ T2823] ? __sys_sendmsg_sock+0x20/0x20 [ 40.062588][ T2823] ? rcu_is_watching+0x16/0xd0 [ 40.062591][ T2823] do_syscall_64+0xff/0x530 [ 40.062594][ T2823] ? exc_page_fault+0xee/0x100 [ 40.062597][ T2823] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 40.062600][ T2823] RIP: 0033:0x7f63df84b54e [ 40.062603][ T2823] 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 [ 40.062605][ T2823] RSP: 002b:00007ffd29b9c390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.062608][ T2823] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63df84b54e [ 40.062609][ T2823] RDX: 0000000000000000 RSI: 00007ffd29b9c440 RDI: 0000000000000005 [ 40.062610][ T2823] RBP: 00007ffd29b9c3a0 R08: 0000000000000000 R09: 0000000000000000 [ 40.062611][ T2823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915cee [ 40.062611][ T2823] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd29b9cb00 [ 40.062618][ T2823] [ 40.101856][ T2823] d3: left promiscuous mode [ 40.102238][ T2823] br: port 3(d3) entered disabled state [ 40.270939][ T2831] d2: left allmulticast mode [ 40.271967][ T2831] d2: left promiscuous mode [ 40.272317][ T2831] br: port 2(d2) entered disabled state [ 40.439396][ T2839] d1: left allmulticast mode [ 40.439713][ T2839] d1: left promiscuous mode [ 40.440746][ T2839] br: port 1(d1) entered disabled state