[ 10.148944][ T206] ip (206) used greatest stack depth: 23616 bytes left [ 10.148960][ T206] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.148962][ T206] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 206, name: ip [ 10.148963][ T206] preempt_count: 2, expected: 0 [ 10.148964][ T206] RCU nest depth: 0, expected: 0 [ 10.148965][ T206] locks held by ip/206: 5, last CPU#2: [ 10.148967][ T206] #0: ffffffff8b2167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.148978][ T206] #1: ffffffff8b37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.148983][ T206] #2: ffffffff8b37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.148987][ T206] #3: ffffffff8b29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.148991][ T206] #4: ffffffff8b29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.148995][ T206] irq event stamp: 32370 [ 10.148996][ T206] hardirqs last enabled at (32369): [] __down_trylock_console_sem+0x86/0xa0 [ 10.148999][ T206] hardirqs last disabled at (32370): [] console_emit_next_record+0x3d4/0x4c0 [ 10.149001][ T206] softirqs last enabled at (31776): [] handle_softirqs+0x67c/0x900 [ 10.149003][ T206] softirqs last disabled at (31771): [] __irq_exit_rcu+0x145/0x1c0 [ 10.149005][ T206] Preemption disabled at: [ 10.149006][ T206] [<0000000000000000>] 0x0 [ 10.149013][ T206] CPU: 2 UID: 0 PID: 206 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.149016][ T206] Tainted: [W]=WARN [ 10.149017][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.149019][ T206] Call Trace: [ 10.149020][ T206] [ 10.149022][ T206] dump_stack_lvl+0x6f/0xa0 [ 10.149028][ T206] __might_resched.cold+0x1fe/0x2c1 [ 10.149033][ T206] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.149038][ T206] ? __kmalloc_noprof+0xdb/0x760 [ 10.149043][ T206] __kmalloc_noprof+0x443/0x760 [ 10.149045][ T206] ? alloc_buf.isra.0+0x4b/0x260 [ 10.149052][ T206] ? do_raw_spin_unlock+0x59/0x250 [ 10.149055][ T206] alloc_buf.isra.0+0x4b/0x260 [ 10.149059][ T206] put_chars+0x1e1/0x2f0 [ 10.149061][ T206] ? __send_to_port+0x420/0x420 [ 10.149063][ T206] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.149067][ T206] ? validate_chain+0x38b/0xc20 [ 10.149073][ T206] hvc_console_print+0x292/0x780 [ 10.149081][ T206] ? hvc_write+0x3a0/0x3a0 [ 10.149084][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.149086][ T206] ? lock_acquire+0x13c/0x160 [ 10.149091][ T206] console_emit_next_record+0x22f/0x4c0 [ 10.149095][ T206] ? devkmsg_read+0x4b0/0x4b0 [ 10.149097][ T206] ? console_flush_one_record+0x106/0x710 [ 10.149101][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.149103][ T206] ? lock_acquire+0x13c/0x160 [ 10.149107][ T206] console_flush_one_record+0x46f/0x710 [ 10.149112][ T206] ? console_emit_next_record+0x4c0/0x4c0 [ 10.149114][ T206] ? __lock_acquire+0x518/0xc20 [ 10.149120][ T206] console_unlock+0xee/0x1f0 [ 10.149123][ T206] ? console_flush_one_record+0x710/0x710 [ 10.149125][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.149127][ T206] ? lock_acquire+0xe0/0x160 [ 10.149131][ T206] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.149133][ T206] ? vprintk_emit+0x320/0x3e0 [ 10.149136][ T206] vprintk_emit+0x37c/0x3e0 [ 10.149140][ T206] ? wake_up_klogd_work_func+0x90/0x90 [ 10.149143][ T206] ? __lock_acquire+0x518/0xc20 [ 10.149148][ T206] _printk+0xc7/0x100 [ 10.149151][ T206] ? snapshot_read.cold+0x21/0x21 [ 10.149154][ T206] ? do_raw_spin_lock+0x131/0x280 [ 10.149157][ T206] ? __rwlock_init+0x150/0x150 [ 10.149163][ T206] ? do_raw_spin_lock+0x131/0x280 [ 10.149166][ T206] do_exit.cold+0x82/0x9c [ 10.149170][ T206] ? exit_notify+0x890/0x890 [ 10.149172][ T206] ? __lock_release.isra.0+0x69/0x1a0 [ 10.149175][ T206] ? rcu_is_watching+0x16/0xd0 [ 10.149179][ T206] do_group_exit+0xb8/0x370 [ 10.149182][ T206] __x64_sys_exit_group+0x3c/0x50 [ 10.149184][ T206] x64_sys_call+0x1567/0x1570 [ 10.149187][ T206] do_syscall_64+0xff/0x530 [ 10.149190][ T206] ? exc_page_fault+0xee/0x100 [ 10.149194][ T206] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.149196][ T206] RIP: 0033:0x7ff94ec4a1b8 [ 10.149198][ T206] Code: Unable to access opcode bytes at 0x7ff94ec4a18e. [ 10.149199][ T206] RSP: 002b:00007ffca3c95e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.149201][ T206] RAX: ffffffffffffffda RBX: 00007ff94ed7af88 RCX: 00007ff94ec4a1b8 [ 10.149203][ T206] RDX: 00007ff94e994fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.149204][ T206] RBP: 00007ffca3c95eb0 R08: 0000000000000000 R09: 0000000000000050 [ 10.149205][ T206] R10: 00007ffca3c95c70 R11: 0000000000000246 R12: 0000000000000001 [ 10.149205][ T206] R13: 0000000000000000 R14: 00007ff94ed79680 R15: 00007ff94ed7afa0 [ 10.149214][ T206] [ 11.665717][ T290] br0: port 1(gw_l) entered blocking state [ 11.665784][ T290] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.665786][ T290] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 290, name: ip [ 11.665788][ T290] preempt_count: 1, expected: 0 [ 11.665789][ T290] RCU nest depth: 0, expected: 0 [ 11.665789][ T290] locks held by ip/290: 5, last CPU#3: [ 11.665791][ T290] #0: ffffffff8bb1b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 11.665803][ T290] #1: ffffffff8b37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.665809][ T290] #2: ffffffff8b37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.665813][ T290] #3: ffffffff8b29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.665816][ T290] #4: ffffffff8b29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.665820][ T290] irq event stamp: 33620 [ 11.665821][ T290] hardirqs last enabled at (33619): [] __down_trylock_console_sem+0x86/0xa0 [ 11.665824][ T290] hardirqs last disabled at (33620): [] console_emit_next_record+0x3d4/0x4c0 [ 11.665826][ T290] softirqs last enabled at (33532): [] __alloc_skb+0x4c2/0x5f0 [ 11.665829][ T290] softirqs last disabled at (33530): [] __alloc_skb+0x4c2/0x5f0 [ 11.665832][ T290] Preemption disabled at: [ 11.665832][ T290] [] vprintk_emit+0x31b/0x3e0 [ 11.665838][ T290] CPU: 3 UID: 0 PID: 290 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.665841][ T290] Tainted: [W]=WARN [ 11.665842][ T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.665844][ T290] Call Trace: [ 11.665845][ T290] [ 11.665847][ T290] dump_stack_lvl+0x6f/0xa0 [ 11.665853][ T290] ? vprintk_emit+0x31b/0x3e0 [ 11.665855][ T290] __might_resched.cold+0x1fe/0x2c1 [ 11.665859][ T290] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.665864][ T290] ? __kmalloc_noprof+0xdb/0x760 [ 11.665868][ T290] __kmalloc_noprof+0x443/0x760 [ 11.665870][ T290] ? alloc_buf.isra.0+0x4b/0x260 [ 11.665877][ T290] ? do_raw_spin_unlock+0x59/0x250 [ 11.665880][ T290] alloc_buf.isra.0+0x4b/0x260 [ 11.665884][ T290] put_chars+0x1e1/0x2f0 [ 11.665887][ T290] ? __send_to_port+0x420/0x420 [ 11.665890][ T290] ? validate_chain+0x34a/0xc20 [ 11.665896][ T290] hvc_console_print+0x292/0x780 [ 11.665912][ T290] ? hvc_write+0x3a0/0x3a0 [ 11.665914][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.665917][ T290] ? lock_acquire+0x13c/0x160 [ 11.665922][ T290] console_emit_next_record+0x22f/0x4c0 [ 11.665926][ T290] ? devkmsg_read+0x4b0/0x4b0 [ 11.665928][ T290] ? console_flush_one_record+0x106/0x710 [ 11.665931][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.665933][ T290] ? lock_acquire+0x13c/0x160 [ 11.665937][ T290] console_flush_one_record+0x46f/0x710 [ 11.665942][ T290] ? console_emit_next_record+0x4c0/0x4c0 [ 11.665944][ T290] ? __lock_acquire+0x518/0xc20 [ 11.665949][ T290] console_unlock+0xee/0x1f0 [ 11.665952][ T290] ? console_flush_one_record+0x710/0x710 [ 11.665954][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.665956][ T290] ? lock_acquire+0xe0/0x160 [ 11.665960][ T290] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.665962][ T290] ? vprintk_emit+0x320/0x3e0 [ 11.665965][ T290] vprintk_emit+0x37c/0x3e0 [ 11.665968][ T290] ? wake_up_klogd_work_func+0x90/0x90 [ 11.665970][ T290] ? __lock_release.isra.0+0x69/0x1a0 [ 11.665971][ T290] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 11.665976][ T290] ? mark_held_locks+0x40/0x70 [ 11.665979][ T290] _printk+0xc7/0x100 [ 11.665983][ T290] ? snapshot_read.cold+0x21/0x21 [ 11.665987][ T290] ? br_multicast_flood+0x960/0x960 [ 11.665990][ T290] ? do_setlink.isra.0+0x9ec/0x2a60 [ 11.665991][ T290] ? rtnl_newlink+0x9f1/0x11b0 [ 11.665993][ T290] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.665997][ T290] br_set_state+0x22f/0x430 [ 11.666002][ T290] br_init_port+0xc4/0x200 [ 11.666004][ T290] new_nbp+0x3a0/0x650 [ 11.666009][ T290] br_add_if+0x212/0x1320 [ 11.666011][ T290] ? is_bpf_text_address+0x72/0x110 [ 11.666015][ T290] ? kernel_text_address+0x149/0x170 [ 11.666021][ T290] do_set_master+0x3b2/0x780 [ 11.666024][ T290] do_setlink.isra.0+0x9ec/0x2a60 [ 11.666028][ T290] ? stack_trace_save+0x93/0xc0 [ 11.666031][ T290] ? rtnl_link_get_size+0x350/0x350 [ 11.666033][ T290] ? rcu_read_lock_any_held+0x66/0x90 [ 11.666036][ T290] ? stack_depot_save_flags+0x38e/0x790 [ 11.666039][ T290] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.666041][ T290] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.666043][ T290] ? validate_chain+0x38b/0xc20 [ 11.666046][ T290] ? kasan_save_stack+0x3d/0x50 [ 11.666048][ T290] ? kasan_save_stack+0x2f/0x50 [ 11.666049][ T290] ? kasan_save_track+0x14/0x30 [ 11.666051][ T290] ? __kasan_kmalloc+0x7b/0x90 [ 11.666053][ T290] ? __lock_acquire+0x518/0xc20 [ 11.666055][ T290] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 11.666058][ T290] ? ___sys_sendmsg+0xd0/0x1d0 [ 11.666062][ T290] ? lock_acquire.part.0+0xd4/0x280 [ 11.666064][ T290] ? rtnl_newlink+0x9a8/0x11b0 [ 11.666067][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.666068][ T290] ? lock_acquire+0x13c/0x160 [ 11.666070][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.666071][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.666073][ T290] ? trace_contention_end+0xb3/0x180 [ 11.666075][ T290] ? __mutex_lock+0x1db/0x1ea0 [ 11.666077][ T290] ? __mutex_lock+0x9a3/0x1ea0 [ 11.666079][ T290] ? rtnl_newlink+0x9a8/0x11b0 [ 11.666082][ T290] ? ww_mutex_lock+0x160/0x160 [ 11.666083][ T290] ? nla_get_range_signed+0x3d0/0x3d0 [ 11.666089][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.666091][ T290] ? __rtnl_newlink+0x3fa/0xa50 [ 11.666097][ T290] rtnl_newlink+0x9f1/0x11b0 [ 11.666103][ T290] ? rtnl_bridge_getlink+0x850/0x850 [ 11.666105][ T290] ? __lock_acquire+0x518/0xc20 [ 11.666110][ T290] ? lock_acquire.part.0+0xd4/0x280 [ 11.666112][ T290] ? find_held_lock+0x2b/0x80 [ 11.666114][ T290] ? rtnl_bridge_getlink+0x850/0x850 [ 11.666116][ T290] ? __lock_release.isra.0+0x69/0x1a0 [ 11.666120][ T290] ? rtnl_bridge_getlink+0x850/0x850 [ 11.666122][ T290] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 11.666126][ T290] ? rtnl_link_fill+0x920/0x920 [ 11.666127][ T290] ? __lock_acquire+0x518/0xc20 [ 11.666132][ T290] ? lock_acquire.part.0+0xd4/0x280 [ 11.666134][ T290] ? find_held_lock+0x2b/0x80 [ 11.666137][ T290] netlink_rcv_skb+0x14e/0x3a0 [ 11.666140][ T290] ? rtnl_link_fill+0x920/0x920 [ 11.666144][ T290] ? netlink_ack+0xcf0/0xcf0 [ 11.666151][ T290] ? netlink_deliver_tap+0xc5/0x330 [ 11.666153][ T290] ? netlink_deliver_tap+0x13c/0x330 [ 11.666158][ T290] netlink_unicast+0x486/0x750 [ 11.666164][ T290] ? netlink_attachskb+0x810/0x810 [ 11.666166][ T290] ? find_held_lock+0x2b/0x80 [ 11.666171][ T290] netlink_sendmsg+0x75b/0xc90 [ 11.666175][ T290] ? netlink_unicast+0x750/0x750 [ 11.666179][ T290] ? __lock_release.isra.0+0x69/0x1a0 [ 11.666181][ T290] ? __import_iovec+0x36c/0x620 [ 11.666187][ T290] __sock_sendmsg+0xce/0x190 [ 11.666190][ T290] ____sys_sendmsg+0x61a/0x860 [ 11.666192][ T290] ? copy_msghdr_from_user+0x279/0x420 [ 11.666194][ T290] ? sock_write_iter+0x400/0x400 [ 11.666196][ T290] ? move_addr_to_kernel+0x40/0x40 [ 11.666204][ T290] ___sys_sendmsg+0x14e/0x1d0 [ 11.666207][ T290] ? copy_msghdr_from_user+0x420/0x420 [ 11.666225][ T290] __sys_sendmsg+0x12c/0x1d0 [ 11.666228][ T290] ? __sys_sendmsg_sock+0x20/0x20 [ 11.666234][ T290] ? rcu_is_watching+0x16/0xd0 [ 11.666238][ T290] do_syscall_64+0xff/0x530 [ 11.666240][ T290] ? exc_page_fault+0xee/0x100 [ 11.666243][ T290] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.666246][ T290] RIP: 0033:0x7f3282a0554e [ 11.666249][ T290] 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 [ 11.666251][ T290] RSP: 002b:00007fffba5d8c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.666253][ T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3282a0554e [ 11.666255][ T290] RDX: 0000000000000000 RSI: 00007fffba5d8cd0 RDI: 0000000000000005 [ 11.666256][ T290] RBP: 00007fffba5d8c30 R08: 0000000000000000 R09: 0000000000000000 [ 11.666256][ T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d380 [ 11.666257][ T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffba5d9390 [ 11.666265][ T290] [ 11.710847][ T290] br0: port 1(gw_l) entered disabled state [ 11.711257][ T290] gw_l: entered allmulticast mode [ 11.712471][ T290] gw_l: entered promiscuous mode [ 11.713630][ T290] br0: port 1(gw_l) entered blocking state [ 11.714099][ T290] br0: port 1(gw_l) entered forwarding state [ 11.728033][ T290] ip (290) used greatest stack depth: 23336 bytes left [ 11.879910][ T292] br0: port 2(amtg) entered blocking state [ 11.880439][ T292] br0: port 2(amtg) entered disabled state [ 11.880886][ T292] amtg: entered allmulticast mode [ 11.888583][ T292] amtg: entered promiscuous mode [ 12.488148][ T303] br0: port 2(amtg) entered blocking state [ 12.488527][ T303] br0: port 2(amtg) entered forwarding state [ 12.840732][ T311] amtr: entered allmulticast mode [ 12.840749][ T311] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.840751][ T311] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 311, name: smcrouted [ 12.840752][ T311] preempt_count: 1, expected: 0 [ 12.840753][ T311] RCU nest depth: 0, expected: 0 [ 12.840754][ T311] locks held by smcrouted/311: 5, last CPU#2: [ 12.840756][ T311] #0: ffffffff8bb1b740 (rtnl_mutex){+.+.}-{4:4}, at: ip_mroute_setsockopt+0x15c/0x1010 [ 12.840768][ T311] #1: ffffffff8b37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.840774][ T311] #2: ffffffff8b37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.840778][ T311] #3: ffffffff8b29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.840782][ T311] #4: ffffffff8b29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.840786][ T311] irq event stamp: 5212 [ 12.840787][ T311] hardirqs last enabled at (5211): [] __down_trylock_console_sem+0x86/0xa0 [ 12.840790][ T311] hardirqs last disabled at (5212): [] console_emit_next_record+0x3d4/0x4c0 [ 12.840792][ T311] softirqs last enabled at (5130): [] __alloc_skb+0x4c2/0x5f0 [ 12.840796][ T311] softirqs last disabled at (5128): [] __alloc_skb+0x4c2/0x5f0 [ 12.840799][ T311] Preemption disabled at: [ 12.840799][ T311] [] vprintk_emit+0x31b/0x3e0 [ 12.840804][ T311] CPU: 2 UID: 0 PID: 311 Comm: smcrouted Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.840808][ T311] Tainted: [W]=WARN [ 12.840809][ T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.840811][ T311] Call Trace: [ 12.840812][ T311] [ 12.840813][ T311] dump_stack_lvl+0x6f/0xa0 [ 12.840821][ T311] ? vprintk_emit+0x31b/0x3e0 [ 12.840822][ T311] __might_resched.cold+0x1fe/0x2c1 [ 12.840827][ T311] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.840832][ T311] ? __kmalloc_noprof+0xdb/0x760 [ 12.840837][ T311] __kmalloc_noprof+0x443/0x760 [ 12.840839][ T311] ? alloc_buf.isra.0+0x4b/0x260 [ 12.840846][ T311] ? do_raw_spin_unlock+0x59/0x250 [ 12.840848][ T311] alloc_buf.isra.0+0x4b/0x260 [ 12.840853][ T311] put_chars+0x1e1/0x2f0 [ 12.840855][ T311] ? __send_to_port+0x420/0x420 [ 12.840859][ T311] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.840862][ T311] ? validate_chain+0x38b/0xc20 [ 12.840867][ T311] hvc_console_print+0x292/0x780 [ 12.840871][ T311] ? __lock_acquire+0x518/0xc20 [ 12.840873][ T311] ? __lock_acquire+0x518/0xc20 [ 12.840878][ T311] ? hvc_write+0x3a0/0x3a0 [ 12.840882][ T311] ? rcu_is_watching+0x16/0xd0 [ 12.840885][ T311] ? lock_acquire+0x13c/0x160 [ 12.840889][ T311] console_emit_next_record+0x22f/0x4c0 [ 12.840894][ T311] ? devkmsg_read+0x4b0/0x4b0 [ 12.840896][ T311] ? console_flush_one_record+0x106/0x710 [ 12.840899][ T311] ? rcu_is_watching+0x16/0xd0 [ 12.840901][ T311] ? lock_acquire+0x13c/0x160 [ 12.840906][ T311] console_flush_one_record+0x46f/0x710 [ 12.840916][ T311] ? console_emit_next_record+0x4c0/0x4c0 [ 12.840918][ T311] ? __lock_acquire+0x518/0xc20 [ 12.840925][ T311] console_unlock+0xee/0x1f0 [ 12.840928][ T311] ? console_flush_one_record+0x710/0x710 [ 12.840931][ T311] ? rcu_is_watching+0x16/0xd0 [ 12.840932][ T311] ? lock_acquire+0xe0/0x160 [ 12.840937][ T311] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.840939][ T311] ? vprintk_emit+0x320/0x3e0 [ 12.840942][ T311] vprintk_emit+0x37c/0x3e0 [ 12.840945][ T311] ? wake_up_klogd_work_func+0x90/0x90 [ 12.840948][ T311] ? netlink_broadcast_filtered+0x29c/0x3c0 [ 12.840952][ T311] ? kasan_save_stack+0x3d/0x50 [ 12.840954][ T311] ? kasan_save_stack+0x2f/0x50 [ 12.840957][ T311] _printk+0xc7/0x100 [ 12.840961][ T311] ? snapshot_read.cold+0x21/0x21 [ 12.840963][ T311] ? __sys_setsockopt+0xe4/0x150 [ 12.840969][ T311] ? netdev_name+0x43/0x60 [ 12.840973][ T311] ? __netdev_printk+0x17f/0x1d0 [ 12.840977][ T311] netdev_info+0xe2/0x116 [ 12.840980][ T311] ? netdev_notice+0x120/0x120 [ 12.840982][ T311] ? mark_usage+0x61/0x170 [ 12.840989][ T311] ? find_held_lock+0x2b/0x80 [ 12.840991][ T311] ? mutex_is_locked+0x1c/0x50 [ 12.840994][ T311] netif_set_allmulti.cold+0x7c/0x166 [ 12.840998][ T311] dev_set_allmulti+0xa6/0x240 [ 12.841002][ T311] vif_add+0x9da/0xdc0 [ 12.841005][ T311] ? __mutex_lock+0x1db/0x1ea0 [ 12.841008][ T311] ? __mutex_lock+0x9a3/0x1ea0 [ 12.841012][ T311] ? ip_mr_output_finish.isra.0+0x630/0x630 [ 12.841015][ T311] ? lock_acquire.part.0+0xd4/0x280 [ 12.841018][ T311] ? __might_fault+0x97/0x140 [ 12.841023][ T311] ? __lock_release.isra.0+0x69/0x1a0 [ 12.841026][ T311] ? __might_fault+0x97/0x140 [ 12.841031][ T311] ip_mroute_setsockopt+0xd02/0x1010 [ 12.841035][ T311] ? ipmr_rtm_route+0x250/0x250 [ 12.841041][ T311] ? __might_fault+0x97/0x140 [ 12.841043][ T311] ? find_held_lock+0x2b/0x80 [ 12.841048][ T311] ? __might_fault+0x97/0x140 [ 12.841050][ T311] ? __might_fault+0x97/0x140 [ 12.841053][ T311] do_ip_setsockopt+0x27c/0x25f0 [ 12.841058][ T311] ? ip_sock_set_tos+0x40/0x40 [ 12.841061][ T311] ? find_held_lock+0x2b/0x80 [ 12.841064][ T311] ? __lock_release.isra.0+0x69/0x1a0 [ 12.841066][ T311] ? do_syscall_64+0xff/0x530 [ 12.841069][ T311] ? rcu_is_watching+0x16/0xd0 [ 12.841071][ T311] ? do_raw_spin_unlock+0x59/0x250 [ 12.841073][ T311] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 12.841075][ T311] ? lockdep_hardirqs_on+0x91/0x130 [ 12.841077][ T311] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 12.841079][ T311] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.841083][ T311] ip_setsockopt+0x2f/0x90 [ 12.841086][ T311] raw_setsockopt+0x8c/0x1f0 [ 12.841089][ T311] ? rcu_is_watching+0x16/0xd0 [ 12.841092][ T311] ? raw_bind+0x5b0/0x5b0 [ 12.841097][ T311] do_sock_setsockopt+0x164/0x3b0 [ 12.841100][ T311] ? put_user_ifreq+0x90/0x90 [ 12.841102][ T311] ? __lock_release.isra.0+0x69/0x1a0 [ 12.841106][ T311] ? fd_install+0x18c/0x3d0 [ 12.841111][ T311] ? fd_install+0x19b/0x3d0 [ 12.841115][ T311] __sys_setsockopt+0xe4/0x150 [ 12.841121][ T311] __x64_sys_setsockopt+0xbd/0x180 [ 12.841123][ T311] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.841126][ T311] ? lockdep_hardirqs_on+0x91/0x130 [ 12.841128][ T311] ? do_syscall_64+0xa6/0x530 [ 12.841130][ T311] do_syscall_64+0xff/0x530 [ 12.841132][ T311] ? exc_page_fault+0xee/0x100 [ 12.841135][ T311] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.841137][ T311] RIP: 0033:0x7f339c0bf2de [ 12.841141][ T311] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1 [ 12.841142][ T311] RSP: 002b:00007ffedc1ab578 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 12.841145][ T311] RAX: ffffffffffffffda RBX: 000055d11e9a52c0 RCX: 00007f339c0bf2de [ 12.841147][ T311] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007 [ 12.841148][ T311] RBP: 00007ffedc1ab630 R08: 0000000000000010 R09: 0000000000000001 [ 12.841148][ T311] R10: 00007ffedc1ab5b0 R11: 0000000000000246 R12: 000055d13b6880c4 [ 12.841149][ T311] R13: 00007ffedc1ab680 R14: 000055d13b6880b0 R15: 0000000000000000 [ 12.841158][ T311] [ 12.883481][ T311] relay_gw: entered allmulticast mode [ 12.883995][ T311] relay_src: entered allmulticast mode [ 27.108460][ C2] [ 27.108475][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.108478][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 352, name: nc [ 27.108479][ C2] preempt_count: 104, expected: 0 [ 27.108480][ C2] RCU nest depth: 2, expected: 0 [ 27.108481][ C2] INFO: lockdep is turned off. [ 27.108482][ C2] irq event stamp: 7100032 [ 27.108483][ C2] hardirqs last enabled at (7100032): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.108491][ C2] hardirqs last disabled at (7100031): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.108493][ C2] softirqs last enabled at (7099820): [] __dev_queue_xmit+0x974/0x1b90 [ 27.108497][ C2] softirqs last disabled at (7099821): [] do_softirq+0xac/0xe0 [ 27.108501][ C2] Preemption disabled at: [ 27.108502][ C2] [] __dev_queue_xmit+0x20c/0x1b90 [ 27.108508][ C2] CPU: 2 UID: 0 PID: 352 Comm: nc Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.108512][ C2] Tainted: [W]=WARN [ 27.108513][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.108515][ C2] Call Trace: [ 27.108516][ C2] [ 27.108518][ C2] dump_stack_lvl+0x6f/0xa0 [ 27.108523][ C2] ? __dev_queue_xmit+0x20c/0x1b90 [ 27.108525][ C2] __might_resched.cold+0x1fe/0x2c1 [ 27.108529][ C2] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 27.108532][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.108535][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108538][ C2] __kmalloc_noprof+0x443/0x760 [ 27.108541][ C2] ? __rwlock_init+0x150/0x150 [ 27.108544][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 27.108548][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 27.108550][ C2] alloc_buf.isra.0+0x4b/0x260 [ 27.108553][ C2] put_chars+0x1e1/0x2f0 [ 27.108555][ C2] ? __send_to_port+0x420/0x420 [ 27.108558][ C2] ? console_prepend_replay+0x20/0x20 [ 27.108562][ C2] hvc_console_print+0x292/0x780 [ 27.108567][ C2] ? hvc_write+0x3a0/0x3a0 [ 27.108568][ C2] ? vsnprintf+0x668/0x1700 [ 27.108571][ C2] ? __rwlock_init+0x150/0x150 [ 27.108573][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108574][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108575][ C2] console_emit_next_record+0x22f/0x4c0 [ 27.108578][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 27.108580][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108581][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108582][ C2] ? lock_acquire+0x13c/0x160 [ 27.108584][ C2] ? console_flush_one_record+0x111/0x710 [ 27.108586][ C2] console_flush_one_record+0x46f/0x710 [ 27.108588][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 27.108591][ C2] console_unlock+0xee/0x1f0 [ 27.108593][ C2] ? lock_acquire+0x13c/0x160 [ 27.108595][ C2] ? console_flush_one_record+0x710/0x710 [ 27.108596][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108597][ C2] ? lock_release+0x184/0x1f0 [ 27.108599][ C2] ? lock_acquire+0xe0/0x160 [ 27.108601][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.108603][ C2] ? vprintk_emit+0x320/0x3e0 [ 27.108604][ C2] vprintk_emit+0x37c/0x3e0 [ 27.108606][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 27.108607][ C2] ? lock_release+0x184/0x1f0 [ 27.108609][ C2] _printk+0xc7/0x100 [ 27.108612][ C2] ? snapshot_read.cold+0x21/0x21 [ 27.108614][ C2] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.108616][ C2] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.108618][ C2] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.108620][ C2] mark_lock_irq+0x989/0x9c0 [ 27.108623][ C2] mark_lock+0x1d7/0xa00 [ 27.108625][ C2] mark_usage+0x42/0x170 [ 27.108627][ C2] __lock_acquire+0x388/0xc20 [ 27.108629][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.108631][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.108634][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108635][ C2] ? lock_acquire+0x13c/0x160 [ 27.108637][ C2] ? br_message_age_timer_expired+0x70/0x70 [ 27.108638][ C2] _raw_spin_lock+0x33/0x40 [ 27.108640][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.108641][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.108643][ C2] ? br_message_age_timer_expired+0x70/0x70 [ 27.108644][ C2] call_timer_fn+0x160/0x4d0 [ 27.108647][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108648][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 27.108650][ C2] ? find_held_lock+0x2b/0x80 [ 27.108652][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.108654][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108655][ C2] __run_timers+0x68f/0xaa0 [ 27.108657][ C2] ? br_message_age_timer_expired+0x70/0x70 [ 27.108659][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.108661][ C2] ? __lock_acquire+0x518/0xc20 [ 27.108663][ C2] ? __rwlock_init+0x150/0x150 [ 27.108666][ C2] run_timer_softirq+0xf0/0x160 [ 27.108668][ C2] ? __run_timers+0xaa0/0xaa0 [ 27.108670][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108671][ C2] handle_softirqs+0x1d3/0x900 [ 27.108673][ C2] ? _local_bh_enable+0xc0/0xc0 [ 27.108675][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 27.108676][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108677][ C2] ? __dev_queue_xmit+0x974/0x1b90 [ 27.108679][ C2] do_softirq+0xac/0xe0 [ 27.108681][ C2] [ 27.108681][ C2] [ 27.108682][ C2] __local_bh_enable_ip+0x118/0x150 [ 27.108684][ C2] __dev_queue_xmit+0x989/0x1b90 [ 27.108686][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.108688][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 27.108690][ C2] ? lock_acquire.part.0+0x60/0x280 [ 27.108691][ C2] ? find_held_lock+0x2b/0x80 [ 27.108693][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.108694][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108695][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108697][ C2] ? __asan_memcpy+0x3c/0x60 [ 27.108700][ C2] ? neigh_hh_output+0x152/0x4c0 [ 27.108703][ C2] ip_finish_output2+0x7c4/0x1c60 [ 27.108705][ C2] ? ip_dst_mtu_maybe_forward+0x2bd/0x720 [ 27.108706][ C2] ? ip_copy_metadata+0x906/0xc70 [ 27.108707][ C2] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.108709][ C2] ? ip_fast_csum+0xc/0x10 [ 27.108712][ C2] ? ip_fraglist_prepare+0x3f5/0x690 [ 27.108714][ C2] ? mark_usage+0x61/0x170 [ 27.108716][ C2] ip_do_fragment+0x12c2/0x1b20 [ 27.108717][ C2] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.108720][ C2] ? ip4_dst_hoplimit+0x320/0x320 [ 27.108721][ C2] ? ip_dst_mtu_maybe_forward+0x2c7/0x720 [ 27.108722][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 27.108724][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.108726][ C2] ip_output+0x1ca/0x660 [ 27.108728][ C2] ? ip_finish_output+0x460/0x460 [ 27.108729][ C2] ? ip_make_skb+0x26a/0x300 [ 27.108731][ C2] ? ip_frag_init+0x4f0/0x4f0 [ 27.108732][ C2] ? ip_flush_pending_frames+0x20/0x20 [ 27.108734][ C2] ip_send_skb+0xa3/0x1c0 [ 27.108736][ C2] udp_send_skb+0x87a/0x1270 [ 27.108740][ C2] udp_sendmsg+0x164e/0x2680 [ 27.108742][ C2] ? udp_cmsg_send+0x360/0x360 [ 27.108743][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 27.108745][ C2] ? __might_fault+0x97/0x140 [ 27.108747][ C2] ? find_held_lock+0x2b/0x80 [ 27.108749][ C2] ? __might_fault+0x97/0x140 [ 27.108752][ C2] ? anon_pipe_trim_and_unlock+0x450/0x450 [ 27.108756][ C2] __sock_sendmsg+0xce/0x190 [ 27.108758][ C2] ? fdget+0x4f/0x1e0 [ 27.108761][ C2] __sys_sendto+0x260/0x320 [ 27.108763][ C2] ? __ia32_sys_getpeername+0xd0/0xd0 [ 27.108767][ C2] ? xfd_validate_state+0x2a/0x140 [ 27.108770][ C2] ? ksys_read+0x1ac/0x250 [ 27.108773][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 27.108775][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.108778][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 27.108780][ C2] ? do_syscall_64+0xa6/0x530 [ 27.108782][ C2] do_syscall_64+0xff/0x530 [ 27.108783][ C2] ? irq_exit_rcu+0x1a/0x30 [ 27.108785][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.108787][ C2] RIP: 0033:0x7f9cd9f8654e [ 27.108791][ C2] 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 [ 27.108792][ C2] RSP: 002b:00007ffddc7f1610 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 27.108796][ C2] RAX: ffffffffffffffda RBX: 00005646cf1379e0 RCX: 00007f9cd9f8654e [ 27.108797][ C2] RDX: 0000000000002000 RSI: 00005646cf1bea70 RDI: 0000000000000005 [ 27.108798][ C2] RBP: 00007ffddc7f1620 R08: 0000000000000000 R09: 0000000000000000 [ 27.108799][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00005646cf1379e0 [ 27.108800][ C2] R13: 00005646cf1baac0 R14: 00005646cf137350 R15: 00005646cf1379e0 [ 27.108802][ C2] [ 27.132930][ C2] ======================================================== [ 27.133187][ C2] WARNING: possible irq lock inversion dependency detected [ 27.133438][ C2] 7.2.0-virtme #1 Tainted: G W [ 27.133620][ C2] -------------------------------------------------------- [ 27.133874][ C2] nc/352 just changed the state of lock: [ 27.134065][ C2] ff1100000ffa2e98 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [ 27.134363][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.134570][ C2] (fs_reclaim){+.+.}-{0:0} [ 27.134572][ C2] [ 27.134572][ C2] [ 27.134572][ C2] and interrupts could create inverse lock ordering between them. [ 27.134572][ C2] [ 27.135179][ C2] [ 27.135179][ C2] other info that might help us debug this: [ 27.135433][ C2] Chain exists of: [ 27.135433][ C2] &br->lock --> console_owner --> fs_reclaim [ 27.135433][ C2] [ 27.135804][ C2] Possible interrupt unsafe locking scenario: [ 27.135804][ C2] [ 27.136067][ C2] CPU0 CPU1 [ 27.136207][ C2] ---- ---- [ 27.136395][ C2] lock(fs_reclaim); [ 27.136503][ C2] local_irq_disable(); [ 27.136728][ C2] lock(&br->lock); [ 27.136899][ C2] lock(console_owner); [ 27.137130][ C2] [ 27.137240][ C2] lock(&br->lock); [ 27.137396][ C2] [ 27.137396][ C2] *** DEADLOCK *** [ 27.137396][ C2] [ 27.137656][ C2] locks held by nc/352: 3, last CPU#2: [ 27.137802][ C2] #0: ffffffff8b394c00 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 27.138117][ C2] #1: ffffffff8b394c00 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x2c6/0x1c60 [ 27.138411][ C2] #2: ffa0000000228ca8 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.138741][ C2] [ 27.138741][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 27.139027][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 27.139183][ C2] HARDIRQ-ON-W at: [ 27.139340][ C2] __lock_acquire+0x388/0xc20 [ 27.139522][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.139754][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.139934][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 27.140202][ C2] kthread_create_worker_on_node+0xea/0x210 [ 27.140463][ C2] workqueue_init+0x2a/0x680 [ 27.140691][ C2] kernel_init_freeable+0x2fe/0x630 [ 27.140905][ C2] kernel_init+0x21/0x150 [ 27.141139][ C2] ret_from_fork+0x474/0x6b0 [ 27.141362][ C2] ret_from_fork_asm+0x11/0x20 [ 27.141540][ C2] SOFTIRQ-ON-W at: [ 27.141696][ C2] __lock_acquire+0x388/0xc20 [ 27.141871][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.142107][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.142293][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 27.142554][ C2] kthread_create_worker_on_node+0xea/0x210 [ 27.142811][ C2] workqueue_init+0x2a/0x680 [ 27.143036][ C2] kernel_init_freeable+0x2fe/0x630 [ 27.143253][ C2] kernel_init+0x21/0x150 [ 27.143478][ C2] ret_from_fork+0x474/0x6b0 [ 27.143707][ C2] ret_from_fork_asm+0x11/0x20 [ 27.143881][ C2] INITIAL USE at: [ 27.144033][ C2] __lock_acquire+0x388/0xc20 [ 27.144214][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.144440][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.144620][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 27.144875][ C2] kthread_create_worker_on_node+0xea/0x210 [ 27.145140][ C2] workqueue_init+0x2a/0x680 [ 27.145362][ C2] kernel_init_freeable+0x2fe/0x630 [ 27.145536][ C2] kernel_init+0x21/0x150 [ 27.145761][ C2] ret_from_fork+0x474/0x6b0 [ 27.145935][ C2] ret_from_fork_asm+0x11/0x20 [ 27.146164][ C2] } [ 27.146239][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.146498][ C2] ... acquired at: [ 27.146607][ C2] __lock_acquire+0x518/0xc20 [ 27.146796][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.146934][ C2] fs_reclaim_acquire+0xd5/0x120 [ 27.147125][ C2] __kmalloc_noprof+0xd3/0x760 [ 27.147268][ C2] alloc_buf.isra.0+0x4b/0x260 [ 27.147454][ C2] put_chars+0x1e1/0x2f0 [ 27.147595][ C2] hvc_console_print+0x292/0x780 [ 27.147781][ C2] console_emit_next_record+0x22f/0x4c0 [ 27.147921][ C2] console_flush_one_record+0x46f/0x710 [ 27.148110][ C2] console_unlock+0xee/0x1f0 [ 27.148249][ C2] vprintk_emit+0x37c/0x3e0 [ 27.148437][ C2] _printk+0xc7/0x100 [ 27.148541][ C2] tun_init+0x24/0xb0 [ 27.148699][ C2] do_one_initcall+0x124/0x4f0 [ 27.148836][ C2] kernel_init_freeable+0x596/0x630 [ 27.149020][ C2] kernel_init+0x21/0x150 [ 27.149163][ C2] ret_from_fork+0x474/0x6b0 [ 27.149349][ C2] ret_from_fork_asm+0x11/0x20 [ 27.149485][ C2] [ 27.149559][ C2] -> (console_owner){....}-{0:0} { [ 27.149747][ C2] INITIAL USE at: [ 27.149851][ C2] } [ 27.149967][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.150174][ C2] ... acquired at: [ 27.150326][ C2] __lock_acquire+0x518/0xc20 [ 27.150464][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.150648][ C2] console_lock_spinning_enable+0x5c/0x60 [ 27.150821][ C2] console_emit_next_record+0x1d1/0x4c0 [ 27.151005][ C2] console_flush_one_record+0x46f/0x710 [ 27.151149][ C2] console_unlock+0xee/0x1f0 [ 27.151340][ C2] vprintk_emit+0x37c/0x3e0 [ 27.151479][ C2] _printk+0xc7/0x100 [ 27.151633][ C2] br_set_state+0x22f/0x430 [ 27.151774][ C2] br_init_port+0xc4/0x200 [ 27.151960][ C2] br_stp_enable_port+0x12/0x50 [ 27.152105][ C2] br_add_if+0xde2/0x1320 [ 27.152290][ C2] do_set_master+0x3b2/0x780 [ 27.152428][ C2] do_setlink.isra.0+0x9ec/0x2a60 [ 27.152615][ C2] rtnl_newlink+0x9f1/0x11b0 [ 27.152751][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.152935][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 27.153078][ C2] netlink_unicast+0x486/0x750 [ 27.153263][ C2] netlink_sendmsg+0x75b/0xc90 [ 27.153400][ C2] __sock_sendmsg+0xce/0x190 [ 27.153588][ C2] ____sys_sendmsg+0x61a/0x860 [ 27.153724][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 27.153912][ C2] __sys_sendmsg+0x12c/0x1d0 [ 27.154047][ C2] do_syscall_64+0xff/0x530 [ 27.154238][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.154407][ C2] [ 27.154523][ C2] -> (&br->lock){+.-.}-{3:3} { [ 27.154664][ C2] HARDIRQ-ON-W at: [ 27.154767][ C2] __lock_acquire+0x388/0xc20 [ 27.154988][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.155220][ C2] _raw_spin_lock_bh+0x38/0x50 [ 27.155394][ C2] br_stp_enable_bridge+0x23/0x340 [ 27.155616][ C2] br_dev_open+0x94/0x120 [ 27.155842][ C2] __dev_open+0x322/0x7a0 [ 27.156016][ C2] __dev_change_flags+0x4a4/0x6d0 [ 27.156243][ C2] netif_change_flags+0x87/0x190 [ 27.156416][ C2] do_setlink.isra.0+0x1d25/0x2a60 [ 27.156637][ C2] rtnl_newlink+0x9f1/0x11b0 [ 27.156857][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.157031][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 27.157257][ C2] netlink_unicast+0x486/0x750 [ 27.157476][ C2] netlink_sendmsg+0x75b/0xc90 [ 27.157651][ C2] __sock_sendmsg+0xce/0x190 [ 27.157874][ C2] ____sys_sendmsg+0x61a/0x860 [ 27.158046][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 27.158273][ C2] __sys_sendmsg+0x12c/0x1d0 [ 27.158494][ C2] do_syscall_64+0xff/0x530 [ 27.158668][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.158923][ C2] IN-SOFTIRQ-W at: [ 27.159026][ C2] __lock_acquire+0x388/0xc20 [ 27.159252][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.159474][ C2] _raw_spin_lock+0x33/0x40 [ 27.159649][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.159904][ C2] call_timer_fn+0x160/0x4d0 [ 27.160133][ C2] __run_timers+0x68f/0xaa0 [ 27.160307][ C2] run_timer_softirq+0xf0/0x160 [ 27.160529][ C2] handle_softirqs+0x1d3/0x900 [ 27.160755][ C2] do_softirq+0xac/0xe0 [ 27.160930][ C2] __local_bh_enable_ip+0x118/0x150 [ 27.161158][ C2] __dev_queue_xmit+0x989/0x1b90 [ 27.161331][ C2] ip_finish_output2+0x7c4/0x1c60 [ 27.161552][ C2] ip_do_fragment+0x12c2/0x1b20 [ 27.161777][ C2] ip_output+0x1ca/0x660 [ 27.161949][ C2] ip_send_skb+0xa3/0x1c0 [ 27.162177][ C2] udp_send_skb+0x87a/0x1270 [ 27.162402][ C2] udp_sendmsg+0x164e/0x2680 [ 27.162579][ C2] __sock_sendmsg+0xce/0x190 [ 27.162800][ C2] __sys_sendto+0x260/0x320 [ 27.162977][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 27.163209][ C2] do_syscall_64+0xff/0x530 [ 27.163430][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.163641][ C2] INITIAL USE at: [ 27.163792][ C2] __lock_acquire+0x388/0xc20 [ 27.163967][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.164195][ C2] _raw_spin_lock_bh+0x38/0x50 [ 27.164419][ C2] br_stp_enable_bridge+0x23/0x340 [ 27.164592][ C2] br_dev_open+0x94/0x120 [ 27.164814][ C2] __dev_open+0x322/0x7a0 [ 27.165033][ C2] __dev_change_flags+0x4a4/0x6d0 [ 27.165212][ C2] netif_change_flags+0x87/0x190 [ 27.165435][ C2] do_setlink.isra.0+0x1d25/0x2a60 [ 27.165610][ C2] rtnl_newlink+0x9f1/0x11b0 [ 27.165830][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.166050][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 27.166229][ C2] netlink_unicast+0x486/0x750 [ 27.166456][ C2] netlink_sendmsg+0x75b/0xc90 [ 27.166678][ C2] __sock_sendmsg+0xce/0x190 [ 27.166850][ C2] ____sys_sendmsg+0x61a/0x860 [ 27.167078][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 27.167251][ C2] __sys_sendmsg+0x12c/0x1d0 [ 27.167470][ C2] do_syscall_64+0xff/0x530 [ 27.167696][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.167905][ C2] } [ 27.168022][ C2] ... key at: [] __key.7+0x0/0x40 [ 27.168197][ C2] ... acquired at: [ 27.168346][ C2] mark_lock+0x1d7/0xa00 [ 27.168483][ C2] mark_usage+0x42/0x170 [ 27.168671][ C2] __lock_acquire+0x388/0xc20 [ 27.168810][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.168995][ C2] _raw_spin_lock+0x33/0x40 [ 27.169140][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.169356][ C2] call_timer_fn+0x160/0x4d0 [ 27.169494][ C2] __run_timers+0x68f/0xaa0 [ 27.169682][ C2] run_timer_softirq+0xf0/0x160 [ 27.169820][ C2] handle_softirqs+0x1d3/0x900 [ 27.170002][ C2] do_softirq+0xac/0xe0 [ 27.170111][ C2] __local_bh_enable_ip+0x118/0x150 [ 27.170299][ C2] __dev_queue_xmit+0x989/0x1b90 [ 27.170436][ C2] ip_finish_output2+0x7c4/0x1c60 [ 27.170623][ C2] ip_do_fragment+0x12c2/0x1b20 [ 27.170759][ C2] ip_output+0x1ca/0x660 [ 27.170944][ C2] ip_send_skb+0xa3/0x1c0 [ 27.171086][ C2] udp_send_skb+0x87a/0x1270 [ 27.171270][ C2] udp_sendmsg+0x164e/0x2680 [ 27.171406][ C2] __sock_sendmsg+0xce/0x190 [ 27.171592][ C2] __sys_sendto+0x260/0x320 [ 27.171730][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 27.171910][ C2] do_syscall_64+0xff/0x530 [ 27.172047][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.172273][ C2] [ 27.172341][ C2] [ 27.172341][ C2] stack backtrace: [ 27.172556][ C2] CPU: 2 UID: 0 PID: 352 Comm: nc Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.172560][ C2] Tainted: [W]=WARN [ 27.172561][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.172561][ C2] Call Trace: [ 27.172562][ C2] [ 27.172563][ C2] dump_stack_lvl+0x6f/0xa0 [ 27.172567][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.172569][ C2] mark_lock_irq+0x989/0x9c0 [ 27.172572][ C2] mark_lock+0x1d7/0xa00 [ 27.172574][ C2] mark_usage+0x42/0x170 [ 27.172576][ C2] __lock_acquire+0x388/0xc20 [ 27.172578][ C2] lock_acquire.part.0+0xd4/0x280 [ 27.172580][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.172581][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172583][ C2] ? lock_acquire+0x13c/0x160 [ 27.172585][ C2] ? br_message_age_timer_expired+0x70/0x70 [ 27.172586][ C2] _raw_spin_lock+0x33/0x40 [ 27.172588][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.172589][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.172590][ C2] ? br_message_age_timer_expired+0x70/0x70 [ 27.172592][ C2] call_timer_fn+0x160/0x4d0 [ 27.172594][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172595][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 27.172597][ C2] ? find_held_lock+0x2b/0x80 [ 27.172599][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.172600][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172602][ C2] __run_timers+0x68f/0xaa0 [ 27.172604][ C2] ? br_message_age_timer_expired+0x70/0x70 [ 27.172605][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.172607][ C2] ? __lock_acquire+0x518/0xc20 [ 27.172610][ C2] ? __rwlock_init+0x150/0x150 [ 27.172613][ C2] run_timer_softirq+0xf0/0x160 [ 27.172615][ C2] ? __run_timers+0xaa0/0xaa0 [ 27.172616][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172618][ C2] handle_softirqs+0x1d3/0x900 [ 27.172620][ C2] ? _local_bh_enable+0xc0/0xc0 [ 27.172621][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 27.172623][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172624][ C2] ? __dev_queue_xmit+0x974/0x1b90 [ 27.172626][ C2] do_softirq+0xac/0xe0 [ 27.172628][ C2] [ 27.172628][ C2] [ 27.172629][ C2] __local_bh_enable_ip+0x118/0x150 [ 27.172630][ C2] __dev_queue_xmit+0x989/0x1b90 [ 27.172632][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.172635][ C2] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 27.172636][ C2] ? lock_acquire.part.0+0x60/0x280 [ 27.172638][ C2] ? find_held_lock+0x2b/0x80 [ 27.172639][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 27.172641][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172642][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172643][ C2] ? __asan_memcpy+0x3c/0x60 [ 27.172646][ C2] ? neigh_hh_output+0x152/0x4c0 [ 27.172648][ C2] ip_finish_output2+0x7c4/0x1c60 [ 27.172649][ C2] ? ip_dst_mtu_maybe_forward+0x2bd/0x720 [ 27.172651][ C2] ? ip_copy_metadata+0x906/0xc70 [ 27.172652][ C2] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.172653][ C2] ? ip_fast_csum+0xc/0x10 [ 27.172656][ C2] ? ip_fraglist_prepare+0x3f5/0x690 [ 27.172658][ C2] ? mark_usage+0x61/0x170 [ 27.172660][ C2] ip_do_fragment+0x12c2/0x1b20 [ 27.172661][ C2] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.172663][ C2] ? ip4_dst_hoplimit+0x320/0x320 [ 27.172665][ C2] ? ip_dst_mtu_maybe_forward+0x2c7/0x720 [ 27.172666][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 27.172668][ C2] ? rcu_is_watching+0x16/0xd0 [ 27.172669][ C2] ip_output+0x1ca/0x660 [ 27.172671][ C2] ? ip_finish_output+0x460/0x460 [ 27.172672][ C2] ? ip_make_skb+0x26a/0x300 [ 27.172674][ C2] ? ip_frag_init+0x4f0/0x4f0 [ 27.172675][ C2] ? ip_flush_pending_frames+0x20/0x20 [ 27.172677][ C2] ip_send_skb+0xa3/0x1c0 [ 27.172679][ C2] udp_send_skb+0x87a/0x1270 [ 27.172682][ C2] udp_sendmsg+0x164e/0x2680 [ 27.172684][ C2] ? udp_cmsg_send+0x360/0x360 [ 27.172685][ C2] ? lock_acquire.part.0+0xd4/0x280 [ 27.172686][ C2] ? __might_fault+0x97/0x140 [ 27.172688][ C2] ? find_held_lock+0x2b/0x80 [ 27.172690][ C2] ? __might_fault+0x97/0x140 [ 27.172692][ C2] ? anon_pipe_trim_and_unlock+0x450/0x450 [ 27.172696][ C2] __sock_sendmsg+0xce/0x190 [ 27.172697][ C2] ? fdget+0x4f/0x1e0 [ 27.172700][ C2] __sys_sendto+0x260/0x320 [ 27.172702][ C2] ? __ia32_sys_getpeername+0xd0/0xd0 [ 27.172705][ C2] ? xfd_validate_state+0x2a/0x140 [ 27.172708][ C2] ? ksys_read+0x1ac/0x250 [ 27.172710][ C2] __x64_sys_sendto+0xe4/0x1f0 [ 27.172712][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.172714][ C2] ? lockdep_hardirqs_on+0x91/0x130 [ 27.172716][ C2] ? do_syscall_64+0xa6/0x530 [ 27.172717][ C2] do_syscall_64+0xff/0x530 [ 27.172719][ C2] ? irq_exit_rcu+0x1a/0x30 [ 27.172721][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.172722][ C2] RIP: 0033:0x7f9cd9f8654e [ 27.172724][ C2] 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 [ 27.172725][ C2] RSP: 002b:00007ffddc7f1610 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 27.172726][ C2] RAX: ffffffffffffffda RBX: 00005646cf1379e0 RCX: 00007f9cd9f8654e [ 27.172727][ C2] RDX: 0000000000002000 RSI: 00005646cf1bea70 RDI: 0000000000000005 [ 27.172728][ C2] RBP: 00007ffddc7f1620 R08: 0000000000000000 R09: 0000000000000000 [ 27.172729][ C2] R10: 0000000000000000 R11: 0000000000000202 R12: 00005646cf1379e0 [ 27.172730][ C2] R13: 00005646cf1baac0 R14: 00005646cf137350 R15: 00005646cf1379e0 [ 27.172732][ C2] [ 513.199272][ T12] br0: port 1(gw_l) entered disabled state [ 513.199288][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 513.199290][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 513.199292][ T12] preempt_count: 202, expected: 0 [ 513.199293][ T12] RCU nest depth: 0, expected: 0 [ 513.199294][ T12] INFO: lockdep is turned off. [ 513.199295][ T12] irq event stamp: 20802 [ 513.199296][ T12] hardirqs last enabled at (20801): [] _raw_spin_unlock_irq+0x28/0x50 [ 513.199305][ T12] hardirqs last disabled at (20802): [] __schedule+0x1246/0x20e0 [ 513.199308][ T12] softirqs last enabled at (20798): [] __fib6_clean_all+0xff/0x290 [ 513.199312][ T12] softirqs last disabled at (20792): [] __fib6_clean_all+0xd9/0x290 [ 513.199314][ T12] Preemption disabled at: [ 513.199315][ T12] [<0000000000000000>] 0x0 [ 513.199321][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 513.199325][ T12] Tainted: [W]=WARN [ 513.199326][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 513.199328][ T12] Workqueue: netns cleanup_net [ 513.199334][ T12] Call Trace: [ 513.199336][ T12] [ 513.199338][ T12] dump_stack_lvl+0x6f/0xa0 [ 513.199344][ T12] __might_resched.cold+0x1fe/0x2c1 [ 513.199348][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 513.199352][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199355][ T12] __kmalloc_noprof+0x443/0x760 [ 513.199358][ T12] ? __rwlock_init+0x150/0x150 [ 513.199361][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 513.199366][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 513.199367][ T12] alloc_buf.isra.0+0x4b/0x260 [ 513.199370][ T12] put_chars+0x1e1/0x2f0 [ 513.199372][ T12] ? __send_to_port+0x420/0x420 [ 513.199373][ T12] ? printk_get_next_message+0x240/0x650 [ 513.199376][ T12] ? console_prepend_replay+0x20/0x20 [ 513.199386][ T12] hvc_console_print+0x292/0x780 [ 513.199391][ T12] ? hvc_write+0x3a0/0x3a0 [ 513.199393][ T12] ? __rwlock_init+0x150/0x150 [ 513.199395][ T12] ? lock_acquire+0x13c/0x160 [ 513.199397][ T12] console_emit_next_record+0x22f/0x4c0 [ 513.199400][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 513.199402][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199403][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199405][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199406][ T12] ? lock_acquire+0x13c/0x160 [ 513.199408][ T12] ? console_flush_one_record+0x111/0x710 [ 513.199410][ T12] console_flush_one_record+0x46f/0x710 [ 513.199412][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 513.199415][ T12] console_unlock+0xee/0x1f0 [ 513.199417][ T12] ? lock_acquire+0x13c/0x160 [ 513.199419][ T12] ? console_flush_one_record+0x710/0x710 [ 513.199421][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199422][ T12] ? lock_release+0x184/0x1f0 [ 513.199423][ T12] ? lock_acquire+0xe0/0x160 [ 513.199425][ T12] ? __rcu_read_lock+0x70/0x70 [ 513.199426][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 513.199428][ T12] ? vprintk_emit+0x320/0x3e0 [ 513.199430][ T12] vprintk_emit+0x37c/0x3e0 [ 513.199432][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 513.199433][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199434][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 513.199438][ T12] ? trace_hardirqs_on+0x36/0x40 [ 513.199440][ T12] _printk+0xc7/0x100 [ 513.199443][ T12] ? snapshot_read.cold+0x21/0x21 [ 513.199445][ T12] ? ipv6_mc_down+0x17e/0x2d0 [ 513.199448][ T12] br_set_state+0x22f/0x430 [ 513.199452][ T12] br_stp_disable_port+0x11f/0x390 [ 513.199454][ T12] br_device_event+0x7b5/0x8f0 [ 513.199457][ T12] ? packet_sendmsg_spkt+0x1360/0x1360 [ 513.199459][ T12] ? addrconf_notify+0x2c8/0xf30 [ 513.199462][ T12] notifier_call_chain+0xae/0x300 [ 513.199465][ T12] netif_close_many+0x366/0x770 [ 513.199468][ T12] ? __dev_close_many+0x680/0x680 [ 513.199470][ T12] ? netif_close_many_and_unlock+0x22/0x2c0 [ 513.199472][ T12] unregister_netdevice_many_notify+0x71a/0x1b40 [ 513.199474][ T12] ? ops_undo_list+0x2ce/0x8f0 [ 513.199476][ T12] ? worker_thread+0x4f1/0xd60 [ 513.199479][ T12] ? kthread+0x367/0x460 [ 513.199481][ T12] ? ret_from_fork+0x474/0x6b0 [ 513.199484][ T12] ? ret_from_fork_asm+0x11/0x20 [ 513.199486][ T12] ? unregister_netdevice_queued+0x80/0x80 [ 513.199488][ T12] ? get_rps_cpu+0x980/0x980 [ 513.199490][ T12] default_device_exit_batch+0x38b/0x600 [ 513.199491][ T12] ? __mutex_unlock_slowpath+0x5e5/0x740 [ 513.199493][ T12] ? lock_acquire+0x13c/0x160 [ 513.199495][ T12] ? unregister_netdevice_queue+0x470/0x470 [ 513.199496][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 513.199498][ T12] ? fou_exit_net+0x30/0x110 [ 513.199501][ T12] ops_undo_list+0x2ce/0x8f0 [ 513.199503][ T12] ? netns_install+0x2a0/0x2a0 [ 513.199505][ T12] ? idr_destroy+0x121/0x250 [ 513.199508][ T12] cleanup_net+0x431/0x940 [ 513.199510][ T12] ? net_passive_dec+0x230/0x230 [ 513.199512][ T12] ? lock_acquire+0x13c/0x160 [ 513.199514][ T12] ? rcu_is_watching+0x16/0xd0 [ 513.199515][ T12] process_one_work+0xe3e/0x1560 [ 513.199519][ T12] ? __queue_delayed_work+0x470/0x470 [ 513.199521][ T12] ? find_held_lock+0x2b/0x80 [ 513.199523][ T12] ? __rwlock_init+0x150/0x150 [ 513.199525][ T12] worker_thread+0x4f1/0xd60 [ 513.199529][ T12] ? rescuer_thread+0x1340/0x1340 [ 513.199531][ T12] kthread+0x367/0x460 [ 513.199532][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 513.199534][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 513.199536][ T12] ret_from_fork+0x474/0x6b0 [ 513.199538][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 513.199540][ T12] ? __switch_to+0x5a3/0xe00 [ 513.199543][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 513.199545][ T12] ret_from_fork_asm+0x11/0x20 [ 513.199548][ T12] [ 513.229987][ T12] gw_l (unregistering): left allmulticast mode [ 513.230482][ T12] gw_l (unregistering): left promiscuous mode [ 513.230814][ T12] br0: port 1(gw_l) entered disabled state [ 513.253473][ T12] amtg: left allmulticast mode [ 513.253761][ T12] amtg: left promiscuous mode [ 513.254073][ T12] br0: port 2(amtg) entered disabled state [ 513.277903][ T12] relay_gw (unregistering): left allmulticast mode [ 513.280554][ T12] amtr (unregistering): left allmulticast mode [ 513.288292][ T311] relay_src: left allmulticast mode