[ 11.006077][ T210] ip (210) used greatest stack depth: 24416 bytes left [ 11.006093][ T210] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.006095][ T210] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 210, name: ip [ 11.006097][ T210] preempt_count: 2, expected: 0 [ 11.006097][ T210] RCU nest depth: 0, expected: 0 [ 11.006098][ T210] locks held by ip/210: 5, last CPU#1: [ 11.006100][ T210] #0: ffffffffba8167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.006112][ T210] #1: ffffffffba97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.006116][ T210] #2: ffffffffba97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.006121][ T210] #3: ffffffffba89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.006125][ T210] #4: ffffffffba89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.006129][ T210] irq event stamp: 57614 [ 11.006130][ T210] hardirqs last enabled at (57613): [] __down_trylock_console_sem+0x86/0xa0 [ 11.006133][ T210] hardirqs last disabled at (57614): [] console_emit_next_record+0x3d4/0x4c0 [ 11.006135][ T210] softirqs last enabled at (56320): [] netlink_release+0x17b/0xcf0 [ 11.006140][ T210] softirqs last disabled at (56318): [] netlink_release+0xd2/0xcf0 [ 11.006142][ T210] Preemption disabled at: [ 11.006143][ T210] [<0000000000000000>] 0x0 [ 11.006150][ T210] CPU: 1 UID: 0 PID: 210 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.006154][ T210] Tainted: [W]=WARN [ 11.006155][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.006156][ T210] Call Trace: [ 11.006158][ T210] [ 11.006159][ T210] dump_stack_lvl+0x6f/0xa0 [ 11.006166][ T210] __might_resched.cold+0x1fe/0x2c1 [ 11.006171][ T210] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.006175][ T210] ? __kmalloc_noprof+0xdb/0x760 [ 11.006180][ T210] __kmalloc_noprof+0x443/0x760 [ 11.006182][ T210] ? alloc_buf.isra.0+0x4b/0x260 [ 11.006188][ T210] ? do_raw_spin_unlock+0x59/0x250 [ 11.006191][ T210] alloc_buf.isra.0+0x4b/0x260 [ 11.006194][ T210] put_chars+0x1e1/0x2f0 [ 11.006197][ T210] ? __send_to_port+0x420/0x420 [ 11.006198][ T210] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.006202][ T210] ? validate_chain+0x38b/0xc20 [ 11.006207][ T210] hvc_console_print+0x292/0x780 [ 11.006214][ T210] ? hvc_write+0x3a0/0x3a0 [ 11.006217][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.006219][ T210] ? lock_acquire+0x13c/0x160 [ 11.006223][ T210] console_emit_next_record+0x22f/0x4c0 [ 11.006227][ T210] ? devkmsg_read+0x4b0/0x4b0 [ 11.006229][ T210] ? console_flush_one_record+0x106/0x710 [ 11.006232][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.006234][ T210] ? lock_acquire+0x13c/0x160 [ 11.006238][ T210] console_flush_one_record+0x46f/0x710 [ 11.006242][ T210] ? console_emit_next_record+0x4c0/0x4c0 [ 11.006244][ T210] ? __lock_acquire+0x518/0xc20 [ 11.006249][ T210] console_unlock+0xee/0x1f0 [ 11.006252][ T210] ? console_flush_one_record+0x710/0x710 [ 11.006254][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.006256][ T210] ? lock_acquire+0xe0/0x160 [ 11.006260][ T210] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.006261][ T210] ? vprintk_emit+0x320/0x3e0 [ 11.006264][ T210] vprintk_emit+0x37c/0x3e0 [ 11.006267][ T210] ? wake_up_klogd_work_func+0x90/0x90 [ 11.006270][ T210] ? __lock_acquire+0x518/0xc20 [ 11.006274][ T210] _printk+0xc7/0x100 [ 11.006277][ T210] ? snapshot_read.cold+0x21/0x21 [ 11.006280][ T210] ? do_raw_spin_lock+0x131/0x280 [ 11.006283][ T210] ? __rwlock_init+0x150/0x150 [ 11.006287][ T210] ? do_raw_spin_lock+0x131/0x280 [ 11.006289][ T210] do_exit.cold+0x82/0x9c [ 11.006293][ T210] ? exit_notify+0x890/0x890 [ 11.006295][ T210] ? __lock_release.isra.0+0x69/0x1a0 [ 11.006297][ T210] ? rcu_is_watching+0x16/0xd0 [ 11.006301][ T210] do_group_exit+0xb8/0x370 [ 11.006304][ T210] __x64_sys_exit_group+0x3c/0x50 [ 11.006306][ T210] x64_sys_call+0x1567/0x1570 [ 11.006308][ T210] do_syscall_64+0xff/0x530 [ 11.006312][ T210] ? exc_page_fault+0xee/0x100 [ 11.006315][ T210] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.006317][ T210] RIP: 0033:0x7f21d737a1b8 [ 11.006319][ T210] Code: Unable to access opcode bytes at 0x7f21d737a18e. [ 11.006321][ T210] RSP: 002b:00007ffe82cedf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.006323][ T210] RAX: ffffffffffffffda RBX: 00007f21d74aaf88 RCX: 00007f21d737a1b8 [ 11.006324][ T210] RDX: 00007f21d70c4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.006325][ T210] RBP: 00007ffe82cedf70 R08: 0000000000000000 R09: 0000000000008010 [ 11.006326][ T210] R10: 00007ffe82cedd30 R11: 0000000000000246 R12: 0000000000000001 [ 11.006327][ T210] R13: 0000000000000000 R14: 00007f21d74a9680 R15: 00007f21d74aafa0 [ 11.006334][ T210] [ 11.393129][ T230] ip (230) used greatest stack depth: 24320 bytes left [ 12.408279][ T290] br0: port 1(gw_l) entered blocking state [ 12.408440][ T290] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.408442][ T290] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 290, name: ip [ 12.408443][ T290] preempt_count: 1, expected: 0 [ 12.408445][ T290] RCU nest depth: 0, expected: 0 [ 12.408446][ T290] locks held by ip/290: 5, last CPU#3: [ 12.408448][ T290] #0: ffffffffbb11b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.408460][ T290] #1: ffffffffba97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.408466][ T290] #2: ffffffffba97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.408470][ T290] #3: ffffffffba89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.408474][ T290] #4: ffffffffba89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.408478][ T290] irq event stamp: 36202 [ 12.408479][ T290] hardirqs last enabled at (36201): [] __down_trylock_console_sem+0x86/0xa0 [ 12.408482][ T290] hardirqs last disabled at (36202): [] console_emit_next_record+0x3d4/0x4c0 [ 12.408484][ T290] softirqs last enabled at (36114): [] __alloc_skb+0x4c2/0x5f0 [ 12.408488][ T290] softirqs last disabled at (36112): [] __alloc_skb+0x4c2/0x5f0 [ 12.408490][ T290] Preemption disabled at: [ 12.408491][ T290] [] vprintk_emit+0x31b/0x3e0 [ 12.408497][ T290] CPU: 3 UID: 0 PID: 290 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.408500][ T290] Tainted: [W]=WARN [ 12.408501][ T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.408503][ T290] Call Trace: [ 12.408504][ T290] [ 12.408506][ T290] dump_stack_lvl+0x6f/0xa0 [ 12.408512][ T290] ? vprintk_emit+0x31b/0x3e0 [ 12.408513][ T290] __might_resched.cold+0x1fe/0x2c1 [ 12.408518][ T290] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.408522][ T290] ? __kmalloc_noprof+0xdb/0x760 [ 12.408527][ T290] __kmalloc_noprof+0x443/0x760 [ 12.408529][ T290] ? alloc_buf.isra.0+0x4b/0x260 [ 12.408535][ T290] ? do_raw_spin_unlock+0x59/0x250 [ 12.408538][ T290] alloc_buf.isra.0+0x4b/0x260 [ 12.408542][ T290] put_chars+0x1e1/0x2f0 [ 12.408544][ T290] ? __send_to_port+0x420/0x420 [ 12.408547][ T290] ? validate_chain+0x34a/0xc20 [ 12.408552][ T290] hvc_console_print+0x292/0x780 [ 12.408559][ T290] ? hvc_write+0x3a0/0x3a0 [ 12.408562][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408565][ T290] ? lock_acquire+0x13c/0x160 [ 12.408569][ T290] console_emit_next_record+0x22f/0x4c0 [ 12.408572][ T290] ? devkmsg_read+0x4b0/0x4b0 [ 12.408574][ T290] ? console_flush_one_record+0x106/0x710 [ 12.408577][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408579][ T290] ? lock_acquire+0x13c/0x160 [ 12.408583][ T290] console_flush_one_record+0x46f/0x710 [ 12.408588][ T290] ? console_emit_next_record+0x4c0/0x4c0 [ 12.408590][ T290] ? __lock_acquire+0x518/0xc20 [ 12.408595][ T290] console_unlock+0xee/0x1f0 [ 12.408598][ T290] ? console_flush_one_record+0x710/0x710 [ 12.408600][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408601][ T290] ? lock_acquire+0xe0/0x160 [ 12.408605][ T290] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.408607][ T290] ? vprintk_emit+0x320/0x3e0 [ 12.408609][ T290] vprintk_emit+0x37c/0x3e0 [ 12.408612][ T290] ? wake_up_klogd_work_func+0x90/0x90 [ 12.408614][ T290] ? __lock_release.isra.0+0x69/0x1a0 [ 12.408616][ T290] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.408620][ T290] ? mark_held_locks+0x40/0x70 [ 12.408623][ T290] _printk+0xc7/0x100 [ 12.408626][ T290] ? snapshot_read.cold+0x21/0x21 [ 12.408630][ T290] ? br_multicast_flood+0x960/0x960 [ 12.408633][ T290] ? do_setlink.isra.0+0x9ec/0x2a60 [ 12.408635][ T290] ? rtnl_newlink+0x9f1/0x11b0 [ 12.408636][ T290] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.408640][ T290] br_set_state+0x22f/0x430 [ 12.408644][ T290] br_init_port+0xc4/0x200 [ 12.408647][ T290] new_nbp+0x3a0/0x650 [ 12.408650][ T290] br_add_if+0x212/0x1320 [ 12.408653][ T290] ? is_bpf_text_address+0x72/0x110 [ 12.408657][ T290] ? kernel_text_address+0x149/0x170 [ 12.408662][ T290] do_set_master+0x3b2/0x780 [ 12.408666][ T290] do_setlink.isra.0+0x9ec/0x2a60 [ 12.408669][ T290] ? stack_trace_save+0x93/0xc0 [ 12.408672][ T290] ? rtnl_link_get_size+0x350/0x350 [ 12.408673][ T290] ? rcu_read_lock_any_held+0x66/0x90 [ 12.408676][ T290] ? stack_depot_save_flags+0x38e/0x790 [ 12.408680][ T290] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.408682][ T290] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.408684][ T290] ? validate_chain+0x38b/0xc20 [ 12.408686][ T290] ? kasan_save_stack+0x3d/0x50 [ 12.408688][ T290] ? kasan_save_stack+0x2f/0x50 [ 12.408690][ T290] ? kasan_save_track+0x14/0x30 [ 12.408691][ T290] ? __kasan_kmalloc+0x7b/0x90 [ 12.408693][ T290] ? __lock_acquire+0x518/0xc20 [ 12.408695][ T290] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.408698][ T290] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.408702][ T290] ? lock_acquire.part.0+0xd4/0x280 [ 12.408704][ T290] ? rtnl_newlink+0x9a8/0x11b0 [ 12.408706][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408708][ T290] ? lock_acquire+0x13c/0x160 [ 12.408709][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408710][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408712][ T290] ? trace_contention_end+0xb3/0x180 [ 12.408714][ T290] ? __mutex_lock+0x1db/0x1ea0 [ 12.408716][ T290] ? __mutex_lock+0x9a3/0x1ea0 [ 12.408718][ T290] ? rtnl_newlink+0x9a8/0x11b0 [ 12.408721][ T290] ? ww_mutex_lock+0x160/0x160 [ 12.408722][ T290] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.408727][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408729][ T290] ? __rtnl_newlink+0x3fa/0xa50 [ 12.408734][ T290] rtnl_newlink+0x9f1/0x11b0 [ 12.408739][ T290] ? rtnl_bridge_getlink+0x850/0x850 [ 12.408741][ T290] ? __lock_acquire+0x518/0xc20 [ 12.408746][ T290] ? lock_acquire.part.0+0xd4/0x280 [ 12.408748][ T290] ? find_held_lock+0x2b/0x80 [ 12.408750][ T290] ? rtnl_bridge_getlink+0x850/0x850 [ 12.408751][ T290] ? __lock_release.isra.0+0x69/0x1a0 [ 12.408755][ T290] ? rtnl_bridge_getlink+0x850/0x850 [ 12.408757][ T290] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.408760][ T290] ? rtnl_link_fill+0x920/0x920 [ 12.408762][ T290] ? __lock_acquire+0x518/0xc20 [ 12.408766][ T290] ? lock_acquire.part.0+0xd4/0x280 [ 12.408768][ T290] ? find_held_lock+0x2b/0x80 [ 12.408771][ T290] netlink_rcv_skb+0x14e/0x3a0 [ 12.408774][ T290] ? rtnl_link_fill+0x920/0x920 [ 12.408781][ T290] ? netlink_ack+0xcf0/0xcf0 [ 12.408788][ T290] ? netlink_deliver_tap+0xc5/0x330 [ 12.408790][ T290] ? netlink_deliver_tap+0x13c/0x330 [ 12.408794][ T290] netlink_unicast+0x486/0x750 [ 12.408798][ T290] ? netlink_attachskb+0x810/0x810 [ 12.408801][ T290] ? find_held_lock+0x2b/0x80 [ 12.408805][ T290] netlink_sendmsg+0x75b/0xc90 [ 12.408809][ T290] ? netlink_unicast+0x750/0x750 [ 12.408813][ T290] ? __lock_release.isra.0+0x69/0x1a0 [ 12.408815][ T290] ? __import_iovec+0x36c/0x620 [ 12.408820][ T290] __sock_sendmsg+0xce/0x190 [ 12.408823][ T290] ____sys_sendmsg+0x61a/0x860 [ 12.408825][ T290] ? copy_msghdr_from_user+0x279/0x420 [ 12.408827][ T290] ? sock_write_iter+0x400/0x400 [ 12.408829][ T290] ? move_addr_to_kernel+0x40/0x40 [ 12.408836][ T290] ___sys_sendmsg+0x14e/0x1d0 [ 12.408838][ T290] ? copy_msghdr_from_user+0x420/0x420 [ 12.408854][ T290] __sys_sendmsg+0x12c/0x1d0 [ 12.408857][ T290] ? __sys_sendmsg_sock+0x20/0x20 [ 12.408863][ T290] ? rcu_is_watching+0x16/0xd0 [ 12.408866][ T290] do_syscall_64+0xff/0x530 [ 12.408869][ T290] ? exc_page_fault+0xee/0x100 [ 12.408871][ T290] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.408874][ T290] RIP: 0033:0x7efdd507354e [ 12.408879][ 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 [ 12.408881][ T290] RSP: 002b:00007ffd83a96b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.408884][ T290] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efdd507354e [ 12.408885][ T290] RDX: 0000000000000000 RSI: 00007ffd83a96bd0 RDI: 0000000000000005 [ 12.408886][ T290] RBP: 00007ffd83a96b30 R08: 0000000000000000 R09: 0000000000000000 [ 12.408887][ T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e7c2 [ 12.408888][ T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd83a97290 [ 12.408894][ T290] [ 12.442669][ T290] br0: port 1(gw_l) entered disabled state [ 12.443021][ T290] gw_l: entered allmulticast mode [ 12.444115][ T290] gw_l: entered promiscuous mode [ 12.445308][ T290] br0: port 1(gw_l) entered blocking state [ 12.445697][ T290] br0: port 1(gw_l) entered forwarding state [ 12.452297][ T290] ip (290) used greatest stack depth: 23336 bytes left [ 12.647258][ T292] br0: port 2(amtg) entered blocking state [ 12.647715][ T292] br0: port 2(amtg) entered disabled state [ 12.648065][ T292] amtg: entered allmulticast mode [ 12.649131][ T292] amtg: entered promiscuous mode [ 13.195380][ T303] br0: port 2(amtg) entered blocking state [ 13.195730][ T303] br0: port 2(amtg) entered forwarding state [ 13.556770][ T310] amtr: entered allmulticast mode [ 13.556796][ T310] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.556799][ T310] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 310, name: smcrouted [ 13.556800][ T310] preempt_count: 1, expected: 0 [ 13.556801][ T310] RCU nest depth: 0, expected: 0 [ 13.556802][ T310] locks held by smcrouted/310: 5, last CPU#2: [ 13.556804][ T310] #0: ffffffffbb11b740 (rtnl_mutex){+.+.}-{4:4}, at: ip_mroute_setsockopt+0x15c/0x1010 [ 13.556817][ T310] #1: ffffffffba97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.556822][ T310] #2: ffffffffba97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.556826][ T310] #3: ffffffffba89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.556830][ T310] #4: ffffffffba89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.556834][ T310] irq event stamp: 5196 [ 13.556835][ T310] hardirqs last enabled at (5195): [] __down_trylock_console_sem+0x86/0xa0 [ 13.556838][ T310] hardirqs last disabled at (5196): [] console_emit_next_record+0x3d4/0x4c0 [ 13.556840][ T310] softirqs last enabled at (5114): [] __alloc_skb+0x4c2/0x5f0 [ 13.556844][ T310] softirqs last disabled at (5112): [] __alloc_skb+0x4c2/0x5f0 [ 13.556847][ T310] Preemption disabled at: [ 13.556847][ T310] [] vprintk_emit+0x31b/0x3e0 [ 13.556853][ T310] CPU: 2 UID: 0 PID: 310 Comm: smcrouted Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.556857][ T310] Tainted: [W]=WARN [ 13.556858][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.556860][ T310] Call Trace: [ 13.556861][ T310] [ 13.556863][ T310] dump_stack_lvl+0x6f/0xa0 [ 13.556869][ T310] ? vprintk_emit+0x31b/0x3e0 [ 13.556871][ T310] __might_resched.cold+0x1fe/0x2c1 [ 13.556876][ T310] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.556883][ T310] ? __kmalloc_noprof+0xdb/0x760 [ 13.556888][ T310] __kmalloc_noprof+0x443/0x760 [ 13.556889][ T310] ? alloc_buf.isra.0+0x4b/0x260 [ 13.556896][ T310] ? do_raw_spin_unlock+0x59/0x250 [ 13.556899][ T310] alloc_buf.isra.0+0x4b/0x260 [ 13.556903][ T310] put_chars+0x1e1/0x2f0 [ 13.556906][ T310] ? __send_to_port+0x420/0x420 [ 13.556909][ T310] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.556912][ T310] ? validate_chain+0x38b/0xc20 [ 13.556917][ T310] hvc_console_print+0x292/0x780 [ 13.556921][ T310] ? __lock_acquire+0x518/0xc20 [ 13.556923][ T310] ? __lock_acquire+0x518/0xc20 [ 13.556927][ T310] ? hvc_write+0x3a0/0x3a0 [ 13.556931][ T310] ? rcu_is_watching+0x16/0xd0 [ 13.556933][ T310] ? lock_acquire+0x13c/0x160 [ 13.556937][ T310] console_emit_next_record+0x22f/0x4c0 [ 13.556941][ T310] ? devkmsg_read+0x4b0/0x4b0 [ 13.556943][ T310] ? console_flush_one_record+0x106/0x710 [ 13.556946][ T310] ? rcu_is_watching+0x16/0xd0 [ 13.556948][ T310] ? lock_acquire+0x13c/0x160 [ 13.556952][ T310] console_flush_one_record+0x46f/0x710 [ 13.556956][ T310] ? console_emit_next_record+0x4c0/0x4c0 [ 13.556958][ T310] ? __lock_acquire+0x518/0xc20 [ 13.556964][ T310] console_unlock+0xee/0x1f0 [ 13.556967][ T310] ? console_flush_one_record+0x710/0x710 [ 13.556969][ T310] ? rcu_is_watching+0x16/0xd0 [ 13.556970][ T310] ? lock_acquire+0xe0/0x160 [ 13.556974][ T310] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.556976][ T310] ? vprintk_emit+0x320/0x3e0 [ 13.556979][ T310] vprintk_emit+0x37c/0x3e0 [ 13.556982][ T310] ? wake_up_klogd_work_func+0x90/0x90 [ 13.556985][ T310] ? netlink_broadcast_filtered+0x29c/0x3c0 [ 13.556988][ T310] ? kasan_save_stack+0x3d/0x50 [ 13.556991][ T310] ? kasan_save_stack+0x2f/0x50 [ 13.556994][ T310] _printk+0xc7/0x100 [ 13.556997][ T310] ? snapshot_read.cold+0x21/0x21 [ 13.556999][ T310] ? __sys_setsockopt+0xe4/0x150 [ 13.557004][ T310] ? netdev_name+0x43/0x60 [ 13.557008][ T310] ? __netdev_printk+0x17f/0x1d0 [ 13.557012][ T310] netdev_info+0xe2/0x116 [ 13.557015][ T310] ? netdev_notice+0x120/0x120 [ 13.557016][ T310] ? mark_usage+0x61/0x170 [ 13.557022][ T310] ? find_held_lock+0x2b/0x80 [ 13.557025][ T310] ? mutex_is_locked+0x1c/0x50 [ 13.557027][ T310] netif_set_allmulti.cold+0x7c/0x166 [ 13.557031][ T310] dev_set_allmulti+0xa6/0x240 [ 13.557035][ T310] vif_add+0x9da/0xdc0 [ 13.557037][ T310] ? __mutex_lock+0x1db/0x1ea0 [ 13.557040][ T310] ? __mutex_lock+0x9a3/0x1ea0 [ 13.557044][ T310] ? ip_mr_output_finish.isra.0+0x630/0x630 [ 13.557047][ T310] ? lock_acquire.part.0+0xd4/0x280 [ 13.557049][ T310] ? __might_fault+0x97/0x140 [ 13.557054][ T310] ? __lock_release.isra.0+0x69/0x1a0 [ 13.557057][ T310] ? __might_fault+0x97/0x140 [ 13.557061][ T310] ip_mroute_setsockopt+0xd02/0x1010 [ 13.557065][ T310] ? ipmr_rtm_route+0x250/0x250 [ 13.557070][ T310] ? __might_fault+0x97/0x140 [ 13.557072][ T310] ? find_held_lock+0x2b/0x80 [ 13.557076][ T310] ? __might_fault+0x97/0x140 [ 13.557078][ T310] ? __might_fault+0x97/0x140 [ 13.557081][ T310] do_ip_setsockopt+0x27c/0x25f0 [ 13.557086][ T310] ? ip_sock_set_tos+0x40/0x40 [ 13.557088][ T310] ? find_held_lock+0x2b/0x80 [ 13.557091][ T310] ? __lock_release.isra.0+0x69/0x1a0 [ 13.557093][ T310] ? do_syscall_64+0xff/0x530 [ 13.557096][ T310] ? rcu_is_watching+0x16/0xd0 [ 13.557098][ T310] ? do_raw_spin_unlock+0x59/0x250 [ 13.557100][ T310] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 13.557102][ T310] ? lockdep_hardirqs_on+0x91/0x130 [ 13.557104][ T310] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 13.557106][ T310] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.557109][ T310] ip_setsockopt+0x2f/0x90 [ 13.557113][ T310] raw_setsockopt+0x8c/0x1f0 [ 13.557116][ T310] ? rcu_is_watching+0x16/0xd0 [ 13.557118][ T310] ? raw_bind+0x5b0/0x5b0 [ 13.557123][ T310] do_sock_setsockopt+0x164/0x3b0 [ 13.557126][ T310] ? put_user_ifreq+0x90/0x90 [ 13.557127][ T310] ? __lock_release.isra.0+0x69/0x1a0 [ 13.557130][ T310] ? fd_install+0x18c/0x3d0 [ 13.557135][ T310] ? fd_install+0x19b/0x3d0 [ 13.557139][ T310] __sys_setsockopt+0xe4/0x150 [ 13.557144][ T310] __x64_sys_setsockopt+0xbd/0x180 [ 13.557146][ T310] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.557150][ T310] ? lockdep_hardirqs_on+0x91/0x130 [ 13.557151][ T310] ? do_syscall_64+0xa6/0x530 [ 13.557153][ T310] do_syscall_64+0xff/0x530 [ 13.557155][ T310] ? exc_page_fault+0xee/0x100 [ 13.557158][ T310] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.557161][ T310] RIP: 0033:0x7fb42ecaf2de [ 13.557164][ T310] 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 [ 13.557166][ T310] RSP: 002b:00007ffe5261eec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 13.557169][ T310] RAX: ffffffffffffffda RBX: 0000560bd85b82c0 RCX: 00007fb42ecaf2de [ 13.557170][ T310] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007 [ 13.557171][ T310] RBP: 00007ffe5261ef80 R08: 0000000000000010 R09: 0000000000000001 [ 13.557172][ T310] R10: 00007ffe5261ef00 R11: 0000000000000246 R12: 0000560bf0f520c4 [ 13.557173][ T310] R13: 00007ffe5261efd0 R14: 0000560bf0f520b0 R15: 0000000000000000 [ 13.557180][ T310] [ 13.594842][ T310] relay_gw: entered allmulticast mode [ 13.595272][ T310] relay_src: entered allmulticast mode [ 27.604369][ C0] [ 27.604385][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.604387][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 350, name: nc [ 27.604389][ C0] preempt_count: 104, expected: 0 [ 27.604390][ C0] RCU nest depth: 2, expected: 0 [ 27.604391][ C0] INFO: lockdep is turned off. [ 27.604391][ C0] irq event stamp: 6934520 [ 27.604392][ C0] hardirqs last enabled at (6934520): [] _raw_spin_unlock_irq+0x28/0x50 [ 27.604401][ C0] hardirqs last disabled at (6934519): [] _raw_spin_lock_irq+0x4a/0x50 [ 27.604403][ C0] softirqs last enabled at (6934170): [] __dev_queue_xmit+0x974/0x1b90 [ 27.604407][ C0] softirqs last disabled at (6934171): [] do_softirq+0xac/0xe0 [ 27.604411][ C0] Preemption disabled at: [ 27.604412][ C0] [] __dev_queue_xmit+0x20c/0x1b90 [ 27.604418][ C0] CPU: 0 UID: 0 PID: 350 Comm: nc Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.604421][ C0] Tainted: [W]=WARN [ 27.604422][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.604424][ C0] Call Trace: [ 27.604426][ C0] [ 27.604427][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.604433][ C0] ? __dev_queue_xmit+0x20c/0x1b90 [ 27.604434][ C0] __might_resched.cold+0x1fe/0x2c1 [ 27.604438][ C0] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 27.604442][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.604445][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604448][ C0] __kmalloc_noprof+0x443/0x760 [ 27.604451][ C0] ? __rwlock_init+0x150/0x150 [ 27.604453][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 27.604458][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 27.604460][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.604462][ C0] put_chars+0x1e1/0x2f0 [ 27.604464][ C0] ? __send_to_port+0x420/0x420 [ 27.604466][ C0] ? console_prepend_replay+0x20/0x20 [ 27.604468][ C0] hvc_console_print+0x292/0x780 [ 27.604473][ C0] ? hvc_write+0x3a0/0x3a0 [ 27.604475][ C0] ? vsnprintf+0x668/0x1700 [ 27.604477][ C0] ? __rwlock_init+0x150/0x150 [ 27.604479][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604480][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604481][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.604486][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 27.604488][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604489][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604490][ C0] ? lock_acquire+0x13c/0x160 [ 27.604493][ C0] ? console_flush_one_record+0x111/0x710 [ 27.604494][ C0] console_flush_one_record+0x46f/0x710 [ 27.604497][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 27.604499][ C0] console_unlock+0xee/0x1f0 [ 27.604501][ C0] ? lock_acquire+0x13c/0x160 [ 27.604503][ C0] ? console_flush_one_record+0x710/0x710 [ 27.604505][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604505][ C0] ? lock_release+0x184/0x1f0 [ 27.604507][ C0] ? lock_acquire+0xe0/0x160 [ 27.604509][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.604511][ C0] ? vprintk_emit+0x320/0x3e0 [ 27.604512][ C0] vprintk_emit+0x37c/0x3e0 [ 27.604514][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 27.604515][ C0] ? lock_release+0x184/0x1f0 [ 27.604517][ C0] _printk+0xc7/0x100 [ 27.604520][ C0] ? snapshot_read.cold+0x21/0x21 [ 27.604522][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 27.604524][ C0] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 27.604526][ C0] print_irq_inversion_bug.part.0+0x32/0xc0 [ 27.604528][ C0] mark_lock_irq+0x989/0x9c0 [ 27.604531][ C0] mark_lock+0x1d7/0xa00 [ 27.604533][ C0] mark_usage+0x42/0x170 [ 27.604535][ C0] __lock_acquire+0x388/0xc20 [ 27.604537][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.604539][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.604542][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604543][ C0] ? lock_acquire+0x13c/0x160 [ 27.604545][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 27.604546][ C0] _raw_spin_lock+0x33/0x40 [ 27.604548][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.604549][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.604550][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 27.604552][ C0] call_timer_fn+0x160/0x4d0 [ 27.604555][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.604557][ C0] ? find_held_lock+0x2b/0x80 [ 27.604559][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.604561][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604562][ C0] __run_timers+0x68f/0xaa0 [ 27.604564][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 27.604566][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.604568][ C0] ? __lock_acquire+0x518/0xc20 [ 27.604571][ C0] ? __rwlock_init+0x150/0x150 [ 27.604573][ C0] run_timer_softirq+0xf0/0x160 [ 27.604575][ C0] ? mark_held_locks+0x40/0x70 [ 27.604576][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.604578][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604579][ C0] handle_softirqs+0x1d3/0x900 [ 27.604581][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.604583][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.604585][ C0] ? __dev_queue_xmit+0x974/0x1b90 [ 27.604587][ C0] do_softirq+0xac/0xe0 [ 27.604588][ C0] [ 27.604589][ C0] [ 27.604590][ C0] __local_bh_enable_ip+0x118/0x150 [ 27.604592][ C0] __dev_queue_xmit+0x989/0x1b90 [ 27.604593][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.604596][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 27.604598][ C0] ? lock_acquire.part.0+0x60/0x280 [ 27.604599][ C0] ? find_held_lock+0x2b/0x80 [ 27.604601][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.604603][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604604][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604605][ C0] ? __asan_memcpy+0x3c/0x60 [ 27.604608][ C0] ? neigh_hh_output+0x152/0x4c0 [ 27.604612][ C0] ip_finish_output2+0x7c4/0x1c60 [ 27.604614][ C0] ? ip_dst_mtu_maybe_forward+0x2bd/0x720 [ 27.604615][ C0] ? ip_copy_metadata+0x906/0xc70 [ 27.604616][ C0] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.604618][ C0] ? ip_fast_csum+0xc/0x10 [ 27.604621][ C0] ? ip_fraglist_prepare+0x3f5/0x690 [ 27.604623][ C0] ? mark_usage+0x61/0x170 [ 27.604625][ C0] ip_do_fragment+0x12c2/0x1b20 [ 27.604627][ C0] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.604629][ C0] ? ip4_dst_hoplimit+0x320/0x320 [ 27.604631][ C0] ? ip_dst_mtu_maybe_forward+0x2c7/0x720 [ 27.604632][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 27.604634][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.604636][ C0] ip_output+0x1ca/0x660 [ 27.604638][ C0] ? ip_finish_output+0x460/0x460 [ 27.604639][ C0] ? ip_make_skb+0x26a/0x300 [ 27.604641][ C0] ? ip_frag_init+0x4f0/0x4f0 [ 27.604642][ C0] ? ip_flush_pending_frames+0x20/0x20 [ 27.604645][ C0] ip_send_skb+0xa3/0x1c0 [ 27.604646][ C0] udp_send_skb+0x87a/0x1270 [ 27.604650][ C0] udp_sendmsg+0x164e/0x2680 [ 27.604653][ C0] ? udp_cmsg_send+0x360/0x360 [ 27.604654][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 27.604656][ C0] ? __might_fault+0x97/0x140 [ 27.604658][ C0] ? find_held_lock+0x2b/0x80 [ 27.604660][ C0] ? __might_fault+0x97/0x140 [ 27.604663][ C0] ? anon_pipe_trim_and_unlock+0x450/0x450 [ 27.604667][ C0] __sock_sendmsg+0xce/0x190 [ 27.604670][ C0] ? fdget+0x4f/0x1e0 [ 27.604673][ C0] __sys_sendto+0x260/0x320 [ 27.604675][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 27.604679][ C0] ? xfd_validate_state+0x2a/0x140 [ 27.604682][ C0] ? ksys_read+0x1ac/0x250 [ 27.604685][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 27.604687][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.604690][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.604693][ C0] ? do_syscall_64+0xa6/0x530 [ 27.604695][ C0] do_syscall_64+0xff/0x530 [ 27.604696][ C0] ? irq_exit_rcu+0x1a/0x30 [ 27.604698][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.604700][ C0] RIP: 0033:0x7f7e0a46854e [ 27.604704][ C0] 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 [ 27.604705][ C0] RSP: 002b:00007ffc21d55930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 27.604709][ C0] RAX: ffffffffffffffda RBX: 000055a316d549e0 RCX: 00007f7e0a46854e [ 27.604710][ C0] RDX: 0000000000002000 RSI: 000055a316ddba70 RDI: 0000000000000005 [ 27.604711][ C0] RBP: 00007ffc21d55940 R08: 0000000000000000 R09: 0000000000000000 [ 27.604712][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a316d549e0 [ 27.604713][ C0] R13: 000055a316dd7ac0 R14: 000055a316d54350 R15: 000055a316d549e0 [ 27.604715][ C0] [ 27.631734][ C0] ======================================================== [ 27.632001][ C0] WARNING: possible irq lock inversion dependency detected [ 27.632256][ C0] 7.2.0-virtme #1 Tainted: G W [ 27.632427][ C0] -------------------------------------------------------- [ 27.632688][ C0] nc/350 just changed the state of lock: [ 27.632879][ C0] ff110000166eae98 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [ 27.633175][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.633382][ C0] (fs_reclaim){+.+.}-{0:0} [ 27.633385][ C0] [ 27.633385][ C0] [ 27.633385][ C0] and interrupts could create inverse lock ordering between them. [ 27.633385][ C0] [ 27.633994][ C0] [ 27.633994][ C0] other info that might help us debug this: [ 27.634251][ C0] Chain exists of: [ 27.634251][ C0] &br->lock --> console_owner --> fs_reclaim [ 27.634251][ C0] [ 27.634614][ C0] Possible interrupt unsafe locking scenario: [ 27.634614][ C0] [ 27.634878][ C0] CPU0 CPU1 [ 27.635018][ C0] ---- ---- [ 27.635206][ C0] lock(fs_reclaim); [ 27.635315][ C0] local_irq_disable(); [ 27.635538][ C0] lock(&br->lock); [ 27.635717][ C0] lock(console_owner); [ 27.635944][ C0] [ 27.636049][ C0] lock(&br->lock); [ 27.636205][ C0] [ 27.636205][ C0] *** DEADLOCK *** [ 27.636205][ C0] [ 27.636455][ C0] locks held by nc/350: 3, last CPU#0: [ 27.636598][ C0] #0: ffffffffba994c00 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 27.636908][ C0] #1: ffffffffba994c00 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x2c6/0x1c60 [ 27.637203][ C0] #2: ffa0000000007ca8 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.637538][ C0] [ 27.637538][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 27.637833][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 27.637980][ C0] HARDIRQ-ON-W at: [ 27.638136][ C0] __lock_acquire+0x388/0xc20 [ 27.638315][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.638541][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.638721][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.638988][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.639247][ C0] workqueue_init+0x2a/0x680 [ 27.639477][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.639691][ C0] kernel_init+0x21/0x150 [ 27.639923][ C0] ret_from_fork+0x474/0x6b0 [ 27.640153][ C0] ret_from_fork_asm+0x11/0x20 [ 27.640333][ C0] SOFTIRQ-ON-W at: [ 27.640491][ C0] __lock_acquire+0x388/0xc20 [ 27.640674][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.640900][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.641073][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.641329][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.641592][ C0] workqueue_init+0x2a/0x680 [ 27.641815][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.642037][ C0] kernel_init+0x21/0x150 [ 27.642258][ C0] ret_from_fork+0x474/0x6b0 [ 27.642478][ C0] ret_from_fork_asm+0x11/0x20 [ 27.642657][ C0] INITIAL USE at: [ 27.642807][ C0] __lock_acquire+0x388/0xc20 [ 27.642989][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.643217][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.643389][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.643644][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.643914][ C0] workqueue_init+0x2a/0x680 [ 27.644134][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.644309][ C0] kernel_init+0x21/0x150 [ 27.644536][ C0] ret_from_fork+0x474/0x6b0 [ 27.644711][ C0] ret_from_fork_asm+0x11/0x20 [ 27.644940][ C0] } [ 27.645012][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.645269][ C0] ... acquired at: [ 27.645377][ C0] __lock_acquire+0x518/0xc20 [ 27.645568][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.645708][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.645904][ C0] __kmalloc_noprof+0xd3/0x760 [ 27.646045][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.646234][ C0] put_chars+0x1e1/0x2f0 [ 27.646374][ C0] hvc_console_print+0x292/0x780 [ 27.646564][ C0] console_emit_next_record+0x22f/0x4c0 [ 27.646706][ C0] console_flush_one_record+0x46f/0x710 [ 27.646897][ C0] console_unlock+0xee/0x1f0 [ 27.647039][ C0] vprintk_emit+0x37c/0x3e0 [ 27.647229][ C0] _printk+0xc7/0x100 [ 27.647338][ C0] tun_init+0x24/0xb0 [ 27.647491][ C0] do_one_initcall+0x124/0x4f0 [ 27.647630][ C0] kernel_init_freeable+0x596/0x630 [ 27.647815][ C0] kernel_init+0x21/0x150 [ 27.647961][ C0] ret_from_fork+0x474/0x6b0 [ 27.648146][ C0] ret_from_fork_asm+0x11/0x20 [ 27.648285][ C0] [ 27.648358][ C0] -> (console_owner){....}-{0:0} { [ 27.648548][ C0] INITIAL USE at: [ 27.648656][ C0] } [ 27.648775][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.648985][ C0] ... acquired at: [ 27.649136][ C0] __lock_acquire+0x518/0xc20 [ 27.649278][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.649462][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.649634][ C0] console_emit_next_record+0x1d1/0x4c0 [ 27.649822][ C0] console_flush_one_record+0x46f/0x710 [ 27.649966][ C0] console_unlock+0xee/0x1f0 [ 27.650152][ C0] vprintk_emit+0x37c/0x3e0 [ 27.650291][ C0] _printk+0xc7/0x100 [ 27.650445][ C0] br_set_state+0x22f/0x430 [ 27.650592][ C0] br_init_port+0xc4/0x200 [ 27.650776][ C0] br_stp_enable_port+0x12/0x50 [ 27.650920][ C0] br_add_if+0xde2/0x1320 [ 27.651106][ C0] do_set_master+0x3b2/0x780 [ 27.651245][ C0] do_setlink.isra.0+0x9ec/0x2a60 [ 27.651428][ C0] rtnl_newlink+0x9f1/0x11b0 [ 27.651563][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.651748][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.651893][ C0] netlink_unicast+0x486/0x750 [ 27.652081][ C0] netlink_sendmsg+0x75b/0xc90 [ 27.652217][ C0] __sock_sendmsg+0xce/0x190 [ 27.652401][ C0] ____sys_sendmsg+0x61a/0x860 [ 27.652542][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.652728][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.652871][ C0] do_syscall_64+0xff/0x530 [ 27.653054][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.653225][ C0] [ 27.653340][ C0] -> (&br->lock){+.-.}-{3:3} { [ 27.653477][ C0] HARDIRQ-ON-W at: [ 27.653579][ C0] __lock_acquire+0x388/0xc20 [ 27.653801][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.654026][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.654197][ C0] br_stp_enable_bridge+0x23/0x340 [ 27.654420][ C0] br_dev_open+0x94/0x120 [ 27.654642][ C0] __dev_open+0x322/0x7a0 [ 27.654813][ C0] __dev_change_flags+0x4a4/0x6d0 [ 27.655038][ C0] netif_change_flags+0x87/0x190 [ 27.655210][ C0] do_setlink.isra.0+0x1d25/0x2a60 [ 27.655431][ C0] rtnl_newlink+0x9f1/0x11b0 [ 27.655650][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.655821][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.656045][ C0] netlink_unicast+0x486/0x750 [ 27.656219][ C0] netlink_sendmsg+0x75b/0xc90 [ 27.656392][ C0] __sock_sendmsg+0xce/0x190 [ 27.656616][ C0] ____sys_sendmsg+0x61a/0x860 [ 27.656785][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.657007][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.657231][ C0] do_syscall_64+0xff/0x530 [ 27.657401][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.657652][ C0] IN-SOFTIRQ-W at: [ 27.657760][ C0] __lock_acquire+0x388/0xc20 [ 27.657984][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.658199][ C0] _raw_spin_lock+0x33/0x40 [ 27.658370][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.658621][ C0] call_timer_fn+0x160/0x4d0 [ 27.658845][ C0] __run_timers+0x68f/0xaa0 [ 27.659021][ C0] run_timer_softirq+0xf0/0x160 [ 27.659237][ C0] handle_softirqs+0x1d3/0x900 [ 27.659457][ C0] do_softirq+0xac/0xe0 [ 27.659631][ C0] __local_bh_enable_ip+0x118/0x150 [ 27.659851][ C0] __dev_queue_xmit+0x989/0x1b90 [ 27.660022][ C0] ip_finish_output2+0x7c4/0x1c60 [ 27.660244][ C0] ip_do_fragment+0x12c2/0x1b20 [ 27.660465][ C0] ip_output+0x1ca/0x660 [ 27.660635][ C0] ip_send_skb+0xa3/0x1c0 [ 27.660860][ C0] udp_send_skb+0x87a/0x1270 [ 27.661084][ C0] udp_sendmsg+0x164e/0x2680 [ 27.661259][ C0] __sock_sendmsg+0xce/0x190 [ 27.661478][ C0] __sys_sendto+0x260/0x320 [ 27.661652][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 27.661875][ C0] do_syscall_64+0xff/0x530 [ 27.662093][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.662299][ C0] INITIAL USE at: [ 27.662451][ C0] __lock_acquire+0x388/0xc20 [ 27.662625][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.662847][ C0] _raw_spin_lock_bh+0x38/0x50 [ 27.663071][ C0] br_stp_enable_bridge+0x23/0x340 [ 27.663240][ C0] br_dev_open+0x94/0x120 [ 27.663457][ C0] __dev_open+0x322/0x7a0 [ 27.663684][ C0] __dev_change_flags+0x4a4/0x6d0 [ 27.663861][ C0] netif_change_flags+0x87/0x190 [ 27.664077][ C0] do_setlink.isra.0+0x1d25/0x2a60 [ 27.664249][ C0] rtnl_newlink+0x9f1/0x11b0 [ 27.664464][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 27.664690][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 27.664869][ C0] netlink_unicast+0x486/0x750 [ 27.665092][ C0] netlink_sendmsg+0x75b/0xc90 [ 27.665308][ C0] __sock_sendmsg+0xce/0x190 [ 27.665478][ C0] ____sys_sendmsg+0x61a/0x860 [ 27.665700][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 27.665873][ C0] __sys_sendmsg+0x12c/0x1d0 [ 27.666046][ C0] do_syscall_64+0xff/0x530 [ 27.666267][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.666472][ C0] } [ 27.666591][ C0] ... key at: [] __key.7+0x0/0x40 [ 27.666765][ C0] ... acquired at: [ 27.666916][ C0] mark_lock+0x1d7/0xa00 [ 27.667054][ C0] mark_usage+0x42/0x170 [ 27.667242][ C0] __lock_acquire+0x388/0xc20 [ 27.667381][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.667563][ C0] _raw_spin_lock+0x33/0x40 [ 27.667698][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.667922][ C0] call_timer_fn+0x160/0x4d0 [ 27.668061][ C0] __run_timers+0x68f/0xaa0 [ 27.668243][ C0] run_timer_softirq+0xf0/0x160 [ 27.668379][ C0] handle_softirqs+0x1d3/0x900 [ 27.668564][ C0] do_softirq+0xac/0xe0 [ 27.668671][ C0] __local_bh_enable_ip+0x118/0x150 [ 27.668858][ C0] __dev_queue_xmit+0x989/0x1b90 [ 27.668993][ C0] ip_finish_output2+0x7c4/0x1c60 [ 27.669178][ C0] ip_do_fragment+0x12c2/0x1b20 [ 27.669314][ C0] ip_output+0x1ca/0x660 [ 27.669494][ C0] ip_send_skb+0xa3/0x1c0 [ 27.669632][ C0] udp_send_skb+0x87a/0x1270 [ 27.669817][ C0] udp_sendmsg+0x164e/0x2680 [ 27.669962][ C0] __sock_sendmsg+0xce/0x190 [ 27.670149][ C0] __sys_sendto+0x260/0x320 [ 27.670287][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 27.670471][ C0] do_syscall_64+0xff/0x530 [ 27.670616][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.670834][ C0] [ 27.670908][ C0] [ 27.670908][ C0] stack backtrace: [ 27.671125][ C0] CPU: 0 UID: 0 PID: 350 Comm: nc Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.671128][ C0] Tainted: [W]=WARN [ 27.671129][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.671130][ C0] Call Trace: [ 27.671132][ C0] [ 27.671133][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.671138][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.671141][ C0] mark_lock_irq+0x989/0x9c0 [ 27.671144][ C0] mark_lock+0x1d7/0xa00 [ 27.671146][ C0] mark_usage+0x42/0x170 [ 27.671148][ C0] __lock_acquire+0x388/0xc20 [ 27.671150][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.671151][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.671153][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.671156][ C0] ? lock_acquire+0x13c/0x160 [ 27.671157][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 27.671159][ C0] _raw_spin_lock+0x33/0x40 [ 27.671160][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 27.671161][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 27.671162][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 27.671164][ C0] call_timer_fn+0x160/0x4d0 [ 27.671166][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.671168][ C0] ? find_held_lock+0x2b/0x80 [ 27.671169][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.671171][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.671172][ C0] __run_timers+0x68f/0xaa0 [ 27.671174][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 27.671176][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.671178][ C0] ? __lock_acquire+0x518/0xc20 [ 27.671180][ C0] ? __rwlock_init+0x150/0x150 [ 27.671183][ C0] run_timer_softirq+0xf0/0x160 [ 27.671184][ C0] ? mark_held_locks+0x40/0x70 [ 27.671186][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.671188][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.671189][ C0] handle_softirqs+0x1d3/0x900 [ 27.671191][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.671192][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.671194][ C0] ? __dev_queue_xmit+0x974/0x1b90 [ 27.671196][ C0] do_softirq+0xac/0xe0 [ 27.671198][ C0] [ 27.671198][ C0] [ 27.671199][ C0] __local_bh_enable_ip+0x118/0x150 [ 27.671200][ C0] __dev_queue_xmit+0x989/0x1b90 [ 27.671202][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.671205][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 27.671206][ C0] ? lock_acquire.part.0+0x60/0x280 [ 27.671208][ C0] ? find_held_lock+0x2b/0x80 [ 27.671209][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.671210][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.671211][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.671213][ C0] ? __asan_memcpy+0x3c/0x60 [ 27.671216][ C0] ? neigh_hh_output+0x152/0x4c0 [ 27.671218][ C0] ip_finish_output2+0x7c4/0x1c60 [ 27.671219][ C0] ? ip_dst_mtu_maybe_forward+0x2bd/0x720 [ 27.671221][ C0] ? ip_copy_metadata+0x906/0xc70 [ 27.671222][ C0] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.671223][ C0] ? ip_fast_csum+0xc/0x10 [ 27.671227][ C0] ? ip_fraglist_prepare+0x3f5/0x690 [ 27.671228][ C0] ? mark_usage+0x61/0x170 [ 27.671230][ C0] ip_do_fragment+0x12c2/0x1b20 [ 27.671231][ C0] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 27.671234][ C0] ? ip4_dst_hoplimit+0x320/0x320 [ 27.671235][ C0] ? ip_dst_mtu_maybe_forward+0x2c7/0x720 [ 27.671236][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 27.671238][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.671240][ C0] ip_output+0x1ca/0x660 [ 27.671241][ C0] ? ip_finish_output+0x460/0x460 [ 27.671242][ C0] ? ip_make_skb+0x26a/0x300 [ 27.671244][ C0] ? ip_frag_init+0x4f0/0x4f0 [ 27.671245][ C0] ? ip_flush_pending_frames+0x20/0x20 [ 27.671247][ C0] ip_send_skb+0xa3/0x1c0 [ 27.671249][ C0] udp_send_skb+0x87a/0x1270 [ 27.671252][ C0] udp_sendmsg+0x164e/0x2680 [ 27.671254][ C0] ? udp_cmsg_send+0x360/0x360 [ 27.671255][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 27.671256][ C0] ? __might_fault+0x97/0x140 [ 27.671259][ C0] ? find_held_lock+0x2b/0x80 [ 27.671261][ C0] ? __might_fault+0x97/0x140 [ 27.671263][ C0] ? anon_pipe_trim_and_unlock+0x450/0x450 [ 27.671267][ C0] __sock_sendmsg+0xce/0x190 [ 27.671268][ C0] ? fdget+0x4f/0x1e0 [ 27.671271][ C0] __sys_sendto+0x260/0x320 [ 27.671273][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 27.671276][ C0] ? xfd_validate_state+0x2a/0x140 [ 27.671280][ C0] ? ksys_read+0x1ac/0x250 [ 27.671282][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 27.671284][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.671287][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.671289][ C0] ? do_syscall_64+0xa6/0x530 [ 27.671290][ C0] do_syscall_64+0xff/0x530 [ 27.671292][ C0] ? irq_exit_rcu+0x1a/0x30 [ 27.671294][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 27.671295][ C0] RIP: 0033:0x7f7e0a46854e [ 27.671298][ C0] 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 [ 27.671300][ C0] RSP: 002b:00007ffc21d55930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 27.671303][ C0] RAX: ffffffffffffffda RBX: 000055a316d549e0 RCX: 00007f7e0a46854e [ 27.671304][ C0] RDX: 0000000000002000 RSI: 000055a316ddba70 RDI: 0000000000000005 [ 27.671305][ C0] RBP: 00007ffc21d55940 R08: 0000000000000000 R09: 0000000000000000 [ 27.671306][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a316d549e0 [ 27.671307][ C0] R13: 000055a316dd7ac0 R14: 000055a316d54350 R15: 000055a316d549e0 [ 27.671309][ C0] [ 507.149091][ T70] br0: port 1(gw_l) entered disabled state [ 507.149107][ T70] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 507.149110][ T70] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 70, name: kworker/u16:1 [ 507.149111][ T70] preempt_count: 202, expected: 0 [ 507.149112][ T70] RCU nest depth: 0, expected: 0 [ 507.149113][ T70] INFO: lockdep is turned off. [ 507.149114][ T70] irq event stamp: 17434 [ 507.149115][ T70] hardirqs last enabled at (17433): [] _raw_spin_unlock_irq+0x28/0x50 [ 507.149124][ T70] hardirqs last disabled at (17434): [] __schedule+0x1246/0x20e0 [ 507.149127][ T70] softirqs last enabled at (17430): [] __fib6_clean_all+0xff/0x290 [ 507.149130][ T70] softirqs last disabled at (17424): [] __fib6_clean_all+0xd9/0x290 [ 507.149132][ T70] Preemption disabled at: [ 507.149133][ T70] [<0000000000000000>] 0x0 [ 507.149139][ T70] CPU: 2 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 507.149143][ T70] Tainted: [W]=WARN [ 507.149144][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 507.149146][ T70] Workqueue: netns cleanup_net [ 507.149152][ T70] Call Trace: [ 507.149153][ T70] [ 507.149155][ T70] dump_stack_lvl+0x6f/0xa0 [ 507.149161][ T70] __might_resched.cold+0x1fe/0x2c1 [ 507.149165][ T70] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 507.149169][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149172][ T70] __kmalloc_noprof+0x443/0x760 [ 507.149175][ T70] ? __rwlock_init+0x150/0x150 [ 507.149178][ T70] ? alloc_buf.isra.0+0x4b/0x260 [ 507.149182][ T70] ? do_raw_spin_unlock+0x59/0x250 [ 507.149184][ T70] alloc_buf.isra.0+0x4b/0x260 [ 507.149186][ T70] put_chars+0x1e1/0x2f0 [ 507.149188][ T70] ? __send_to_port+0x420/0x420 [ 507.149189][ T70] ? printk_get_next_message+0x240/0x650 [ 507.149191][ T70] ? console_prepend_replay+0x20/0x20 [ 507.149194][ T70] hvc_console_print+0x292/0x780 [ 507.149198][ T70] ? hvc_write+0x3a0/0x3a0 [ 507.149200][ T70] ? __rwlock_init+0x150/0x150 [ 507.149202][ T70] ? lock_acquire+0x13c/0x160 [ 507.149204][ T70] console_emit_next_record+0x22f/0x4c0 [ 507.149207][ T70] ? devkmsg_read+0x4b0/0x4b0 [ 507.149209][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149210][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149210][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149211][ T70] ? lock_acquire+0x13c/0x160 [ 507.149213][ T70] ? console_flush_one_record+0x111/0x710 [ 507.149215][ T70] console_flush_one_record+0x46f/0x710 [ 507.149217][ T70] ? console_emit_next_record+0x4c0/0x4c0 [ 507.149220][ T70] console_unlock+0xee/0x1f0 [ 507.149222][ T70] ? lock_acquire+0x13c/0x160 [ 507.149223][ T70] ? console_flush_one_record+0x710/0x710 [ 507.149225][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149226][ T70] ? lock_release+0x184/0x1f0 [ 507.149227][ T70] ? lock_acquire+0xe0/0x160 [ 507.149229][ T70] ? __rcu_read_lock+0x70/0x70 [ 507.149230][ T70] ? __down_trylock_console_sem+0x5e/0xa0 [ 507.149232][ T70] ? vprintk_emit+0x320/0x3e0 [ 507.149233][ T70] vprintk_emit+0x37c/0x3e0 [ 507.149235][ T70] ? wake_up_klogd_work_func+0x90/0x90 [ 507.149236][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149237][ T70] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 507.149240][ T70] ? trace_hardirqs_on+0x36/0x40 [ 507.149242][ T70] _printk+0xc7/0x100 [ 507.149245][ T70] ? snapshot_read.cold+0x21/0x21 [ 507.149247][ T70] ? ipv6_mc_down+0x17e/0x2d0 [ 507.149250][ T70] br_set_state+0x22f/0x430 [ 507.149254][ T70] br_stp_disable_port+0x11f/0x390 [ 507.149256][ T70] br_device_event+0x7b5/0x8f0 [ 507.149258][ T70] ? packet_sendmsg_spkt+0x1360/0x1360 [ 507.149260][ T70] ? addrconf_notify+0x2c8/0xf30 [ 507.149263][ T70] notifier_call_chain+0xae/0x300 [ 507.149266][ T70] netif_close_many+0x366/0x770 [ 507.149269][ T70] ? __dev_close_many+0x680/0x680 [ 507.149271][ T70] ? netif_close_many_and_unlock+0x22/0x2c0 [ 507.149273][ T70] unregister_netdevice_many_notify+0x71a/0x1b40 [ 507.149275][ T70] ? ops_undo_list+0x2ce/0x8f0 [ 507.149276][ T70] ? worker_thread+0x4f1/0xd60 [ 507.149279][ T70] ? kthread+0x367/0x460 [ 507.149281][ T70] ? ret_from_fork+0x474/0x6b0 [ 507.149283][ T70] ? ret_from_fork_asm+0x11/0x20 [ 507.149286][ T70] ? unregister_netdevice_queued+0x80/0x80 [ 507.149287][ T70] ? get_rps_cpu+0x980/0x980 [ 507.149289][ T70] default_device_exit_batch+0x38b/0x600 [ 507.149291][ T70] ? __mutex_unlock_slowpath+0x5e5/0x740 [ 507.149292][ T70] ? lock_acquire+0x13c/0x160 [ 507.149294][ T70] ? unregister_netdevice_queue+0x470/0x470 [ 507.149295][ T70] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 507.149297][ T70] ? fou_exit_net+0x30/0x110 [ 507.149300][ T70] ops_undo_list+0x2ce/0x8f0 [ 507.149302][ T70] ? netns_install+0x2a0/0x2a0 [ 507.149303][ T70] ? idr_destroy+0x121/0x250 [ 507.149306][ T70] cleanup_net+0x431/0x940 [ 507.149308][ T70] ? net_passive_dec+0x230/0x230 [ 507.149310][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149311][ T70] ? lock_acquire+0x13c/0x160 [ 507.149313][ T70] ? rcu_is_watching+0x16/0xd0 [ 507.149314][ T70] process_one_work+0xe3e/0x1560 [ 507.149317][ T70] ? __queue_delayed_work+0x470/0x470 [ 507.149319][ T70] ? find_held_lock+0x2b/0x80 [ 507.149321][ T70] ? __rwlock_init+0x150/0x150 [ 507.149323][ T70] worker_thread+0x4f1/0xd60 [ 507.149325][ T70] ? rescuer_thread+0x1340/0x1340 [ 507.149332][ T70] ? __kthread_parkme+0xbd/0x210 [ 507.149334][ T70] ? rescuer_thread+0x1340/0x1340 [ 507.149336][ T70] ? rescuer_thread+0x1340/0x1340 [ 507.149338][ T70] kthread+0x367/0x460 [ 507.149339][ T70] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 507.149341][ T70] ? kthread_affine_preferred+0x4c0/0x4c0 [ 507.149343][ T70] ret_from_fork+0x474/0x6b0 [ 507.149344][ T70] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 507.149346][ T70] ? __switch_to+0x5a3/0xe00 [ 507.149349][ T70] ? kthread_affine_preferred+0x4c0/0x4c0 [ 507.149351][ T70] ret_from_fork_asm+0x11/0x20 [ 507.149354][ T70] [ 507.175346][ T70] gw_l (unregistering): left allmulticast mode [ 507.175550][ T70] gw_l (unregistering): left promiscuous mode [ 507.175745][ T70] br0: port 1(gw_l) entered disabled state [ 507.194687][ T310] amtr: left allmulticast mode [ 507.194914][ T310] relay_gw: left allmulticast mode [ 507.195101][ T310] relay_src: left allmulticast mode [ 507.197692][ T70] amtg: left allmulticast mode [ 507.197858][ T70] amtg: left promiscuous mode [ 507.198832][ T70] br0: port 2(amtg) entered disabled state