[ 11.305049][ T209] ip (209) used greatest stack depth: 24528 bytes left [ 11.305067][ T209] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.305070][ T209] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 209, name: ip [ 11.305071][ T209] preempt_count: 2, expected: 0 [ 11.305072][ T209] RCU nest depth: 0, expected: 0 [ 11.305073][ T209] locks held by ip/209: 5, last CPU#1: [ 11.305075][ T209] #0: ffffffff95e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.305087][ T209] #1: ffffffff95f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.305092][ T209] #2: ffffffff95f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.305097][ T209] #3: ffffffff95e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.305101][ T209] #4: ffffffff95e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.305105][ T209] irq event stamp: 52322 [ 11.305106][ T209] hardirqs last enabled at (52321): [] __down_trylock_console_sem+0x86/0xa0 [ 11.305109][ T209] hardirqs last disabled at (52322): [] console_emit_next_record+0x3d4/0x4c0 [ 11.305111][ T209] softirqs last enabled at (51664): [] handle_softirqs+0x67c/0x900 [ 11.305114][ T209] softirqs last disabled at (51653): [] __irq_exit_rcu+0x145/0x1c0 [ 11.305116][ T209] Preemption disabled at: [ 11.305117][ T209] [<0000000000000000>] 0x0 [ 11.305124][ T209] CPU: 1 UID: 0 PID: 209 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.305128][ T209] Tainted: [W]=WARN [ 11.305129][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.305130][ T209] Call Trace: [ 11.305132][ T209] [ 11.305133][ T209] dump_stack_lvl+0x6f/0xa0 [ 11.305140][ T209] __might_resched.cold+0x1fe/0x2c1 [ 11.305145][ T209] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.305149][ T209] ? __kmalloc_noprof+0xdb/0x760 [ 11.305153][ T209] __kmalloc_noprof+0x443/0x760 [ 11.305155][ T209] ? alloc_buf.isra.0+0x4b/0x260 [ 11.305162][ T209] ? do_raw_spin_unlock+0x59/0x250 [ 11.305165][ T209] alloc_buf.isra.0+0x4b/0x260 [ 11.305169][ T209] put_chars+0x1e1/0x2f0 [ 11.305171][ T209] ? __send_to_port+0x420/0x420 [ 11.305173][ T209] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.305176][ T209] ? validate_chain+0x38b/0xc20 [ 11.305182][ T209] hvc_console_print+0x292/0x780 [ 11.305189][ T209] ? hvc_write+0x3a0/0x3a0 [ 11.305192][ T209] ? rcu_is_watching+0x16/0xd0 [ 11.305194][ T209] ? lock_acquire+0x13c/0x160 [ 11.305198][ T209] console_emit_next_record+0x22f/0x4c0 [ 11.305202][ T209] ? devkmsg_read+0x4b0/0x4b0 [ 11.305204][ T209] ? console_flush_one_record+0x106/0x710 [ 11.305208][ T209] ? rcu_is_watching+0x16/0xd0 [ 11.305209][ T209] ? lock_acquire+0x13c/0x160 [ 11.305213][ T209] console_flush_one_record+0x46f/0x710 [ 11.305218][ T209] ? console_emit_next_record+0x4c0/0x4c0 [ 11.305219][ T209] ? __lock_acquire+0x518/0xc20 [ 11.305225][ T209] console_unlock+0xee/0x1f0 [ 11.305228][ T209] ? console_flush_one_record+0x710/0x710 [ 11.305230][ T209] ? rcu_is_watching+0x16/0xd0 [ 11.305231][ T209] ? lock_acquire+0xe0/0x160 [ 11.305235][ T209] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.305237][ T209] ? vprintk_emit+0x320/0x3e0 [ 11.305240][ T209] vprintk_emit+0x37c/0x3e0 [ 11.305243][ T209] ? wake_up_klogd_work_func+0x90/0x90 [ 11.305246][ T209] ? __lock_acquire+0x518/0xc20 [ 11.305250][ T209] _printk+0xc7/0x100 [ 11.305253][ T209] ? snapshot_read.cold+0x21/0x21 [ 11.305256][ T209] ? do_raw_spin_lock+0x131/0x280 [ 11.305259][ T209] ? __rwlock_init+0x150/0x150 [ 11.305263][ T209] ? do_raw_spin_lock+0x131/0x280 [ 11.305266][ T209] do_exit.cold+0x82/0x9c [ 11.305270][ T209] ? exit_notify+0x890/0x890 [ 11.305271][ T209] ? __lock_release.isra.0+0x69/0x1a0 [ 11.305274][ T209] ? rcu_is_watching+0x16/0xd0 [ 11.305278][ T209] do_group_exit+0xb8/0x370 [ 11.305280][ T209] __x64_sys_exit_group+0x3c/0x50 [ 11.305282][ T209] x64_sys_call+0x1567/0x1570 [ 11.305285][ T209] do_syscall_64+0xff/0x530 [ 11.305289][ T209] ? exc_page_fault+0xee/0x100 [ 11.305292][ T209] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.305294][ T209] RIP: 0033:0x7f1ae35551b8 [ 11.305296][ T209] Code: Unable to access opcode bytes at 0x7f1ae355518e. [ 11.305297][ T209] RSP: 002b:00007ffe0845c068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.305300][ T209] RAX: ffffffffffffffda RBX: 00007f1ae3685f88 RCX: 00007f1ae35551b8 [ 11.305301][ T209] RDX: 00007f1ae329ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.305302][ T209] RBP: 00007ffe0845c0c0 R08: 0000000000000000 R09: 0000000000000050 [ 11.305303][ T209] R10: 00007ffe0845be80 R11: 0000000000000246 R12: 0000000000000001 [ 11.305304][ T209] R13: 0000000000000000 R14: 00007f1ae3684680 R15: 00007f1ae3685fa0 [ 11.305311][ T209] [ 11.427715][ T211] ip (211) used greatest stack depth: 23984 bytes left [ 12.937047][ T282] br0: port 1(gw_l) entered blocking state [ 12.937171][ T282] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.937174][ T282] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 282, name: ip [ 12.937176][ T282] preempt_count: 1, expected: 0 [ 12.937177][ T282] RCU nest depth: 0, expected: 0 [ 12.937179][ T282] locks held by ip/282: 5, last CPU#0: [ 12.937181][ T282] #0: ffffffff9671b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 12.937196][ T282] #1: ffffffff95f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.937204][ T282] #2: ffffffff95f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.937211][ T282] #3: ffffffff95e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.937217][ T282] #4: ffffffff95e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.937223][ T282] irq event stamp: 40104 [ 12.937224][ T282] hardirqs last enabled at (40103): [] __down_trylock_console_sem+0x86/0xa0 [ 12.937228][ T282] hardirqs last disabled at (40104): [] console_emit_next_record+0x3d4/0x4c0 [ 12.937231][ T282] softirqs last enabled at (40016): [] __alloc_skb+0x4c2/0x5f0 [ 12.937235][ T282] softirqs last disabled at (40014): [] __alloc_skb+0x4c2/0x5f0 [ 12.937239][ T282] Preemption disabled at: [ 12.937240][ T282] [] vprintk_emit+0x31b/0x3e0 [ 12.937247][ T282] CPU: 0 UID: 0 PID: 282 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.937251][ T282] Tainted: [W]=WARN [ 12.937253][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.937255][ T282] Call Trace: [ 12.937257][ T282] [ 12.937259][ T282] dump_stack_lvl+0x6f/0xa0 [ 12.937267][ T282] ? vprintk_emit+0x31b/0x3e0 [ 12.937270][ T282] __might_resched.cold+0x1fe/0x2c1 [ 12.937277][ T282] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.937282][ T282] ? __kmalloc_noprof+0xdb/0x760 [ 12.937289][ T282] __kmalloc_noprof+0x443/0x760 [ 12.937292][ T282] ? alloc_buf.isra.0+0x4b/0x260 [ 12.937302][ T282] ? do_raw_spin_unlock+0x59/0x250 [ 12.937306][ T282] alloc_buf.isra.0+0x4b/0x260 [ 12.937312][ T282] put_chars+0x1e1/0x2f0 [ 12.937316][ T282] ? __send_to_port+0x420/0x420 [ 12.937321][ T282] ? validate_chain+0x34a/0xc20 [ 12.937330][ T282] hvc_console_print+0x292/0x780 [ 12.937342][ T282] ? hvc_write+0x3a0/0x3a0 [ 12.937346][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937350][ T282] ? lock_acquire+0x13c/0x160 [ 12.937358][ T282] console_emit_next_record+0x22f/0x4c0 [ 12.937364][ T282] ? devkmsg_read+0x4b0/0x4b0 [ 12.937367][ T282] ? console_flush_one_record+0x106/0x710 [ 12.937373][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937376][ T282] ? lock_acquire+0x13c/0x160 [ 12.937383][ T282] console_flush_one_record+0x46f/0x710 [ 12.937391][ T282] ? console_emit_next_record+0x4c0/0x4c0 [ 12.937394][ T282] ? __lock_acquire+0x518/0xc20 [ 12.937410][ T282] console_unlock+0xee/0x1f0 [ 12.937415][ T282] ? console_flush_one_record+0x710/0x710 [ 12.937418][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937421][ T282] ? lock_acquire+0xe0/0x160 [ 12.937428][ T282] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.937431][ T282] ? vprintk_emit+0x320/0x3e0 [ 12.937436][ T282] vprintk_emit+0x37c/0x3e0 [ 12.937442][ T282] ? wake_up_klogd_work_func+0x90/0x90 [ 12.937445][ T282] ? __lock_release.isra.0+0x69/0x1a0 [ 12.937448][ T282] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 12.937454][ T282] ? mark_held_locks+0x40/0x70 [ 12.937460][ T282] _printk+0xc7/0x100 [ 12.937465][ T282] ? snapshot_read.cold+0x21/0x21 [ 12.937474][ T282] ? br_multicast_flood+0x960/0x960 [ 12.937478][ T282] ? do_setlink.isra.0+0x9ec/0x2a60 [ 12.937481][ T282] ? rtnl_newlink+0x9f1/0x11b0 [ 12.937483][ T282] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.937491][ T282] br_set_state+0x22f/0x430 [ 12.937498][ T282] br_init_port+0xc4/0x200 [ 12.937502][ T282] new_nbp+0x3a0/0x650 [ 12.937509][ T282] br_add_if+0x212/0x1320 [ 12.937513][ T282] ? is_bpf_text_address+0x72/0x110 [ 12.937518][ T282] ? kernel_text_address+0x149/0x170 [ 12.937527][ T282] do_set_master+0x3b2/0x780 [ 12.937534][ T282] do_setlink.isra.0+0x9ec/0x2a60 [ 12.937541][ T282] ? stack_trace_save+0x93/0xc0 [ 12.937546][ T282] ? rtnl_link_get_size+0x350/0x350 [ 12.937548][ T282] ? rcu_read_lock_any_held+0x66/0x90 [ 12.937552][ T282] ? stack_depot_save_flags+0x38e/0x790 [ 12.937557][ T282] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.937561][ T282] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.937564][ T282] ? validate_chain+0x38b/0xc20 [ 12.937568][ T282] ? kasan_save_stack+0x3d/0x50 [ 12.937571][ T282] ? kasan_save_stack+0x2f/0x50 [ 12.937573][ T282] ? kasan_save_track+0x14/0x30 [ 12.937575][ T282] ? __kasan_kmalloc+0x7b/0x90 [ 12.937580][ T282] ? __lock_acquire+0x518/0xc20 [ 12.937583][ T282] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 12.937587][ T282] ? ___sys_sendmsg+0xd0/0x1d0 [ 12.937594][ T282] ? lock_acquire.part.0+0xd4/0x280 [ 12.937597][ T282] ? rtnl_newlink+0x9a8/0x11b0 [ 12.937601][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937604][ T282] ? lock_acquire+0x13c/0x160 [ 12.937607][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937609][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937612][ T282] ? trace_contention_end+0xb3/0x180 [ 12.937616][ T282] ? __mutex_lock+0x1db/0x1ea0 [ 12.937618][ T282] ? __mutex_lock+0x9a3/0x1ea0 [ 12.937622][ T282] ? rtnl_newlink+0x9a8/0x11b0 [ 12.937629][ T282] ? ww_mutex_lock+0x160/0x160 [ 12.937631][ T282] ? nla_get_range_signed+0x3d0/0x3d0 [ 12.937639][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937644][ T282] ? __rtnl_newlink+0x3fa/0xa50 [ 12.937654][ T282] rtnl_newlink+0x9f1/0x11b0 [ 12.937664][ T282] ? rtnl_bridge_getlink+0x850/0x850 [ 12.937668][ T282] ? __lock_acquire+0x518/0xc20 [ 12.937676][ T282] ? lock_acquire.part.0+0xd4/0x280 [ 12.937679][ T282] ? find_held_lock+0x2b/0x80 [ 12.937683][ T282] ? rtnl_bridge_getlink+0x850/0x850 [ 12.937686][ T282] ? __lock_release.isra.0+0x69/0x1a0 [ 12.937693][ T282] ? rtnl_bridge_getlink+0x850/0x850 [ 12.937697][ T282] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 12.937702][ T282] ? rtnl_link_fill+0x920/0x920 [ 12.937704][ T282] ? __lock_acquire+0x518/0xc20 [ 12.937712][ T282] ? lock_acquire.part.0+0xd4/0x280 [ 12.937715][ T282] ? find_held_lock+0x2b/0x80 [ 12.937724][ T282] netlink_rcv_skb+0x14e/0x3a0 [ 12.937728][ T282] ? rtnl_link_fill+0x920/0x920 [ 12.937734][ T282] ? netlink_ack+0xcf0/0xcf0 [ 12.937746][ T282] ? netlink_deliver_tap+0xc5/0x330 [ 12.937749][ T282] ? netlink_deliver_tap+0x13c/0x330 [ 12.937757][ T282] netlink_unicast+0x486/0x750 [ 12.937764][ T282] ? netlink_attachskb+0x810/0x810 [ 12.937768][ T282] ? find_held_lock+0x2b/0x80 [ 12.937777][ T282] netlink_sendmsg+0x75b/0xc90 [ 12.937783][ T282] ? netlink_unicast+0x750/0x750 [ 12.937790][ T282] ? __lock_release.isra.0+0x69/0x1a0 [ 12.937792][ T282] ? __import_iovec+0x36c/0x620 [ 12.937801][ T282] __sock_sendmsg+0xce/0x190 [ 12.937806][ T282] ____sys_sendmsg+0x61a/0x860 [ 12.937809][ T282] ? copy_msghdr_from_user+0x279/0x420 [ 12.937813][ T282] ? sock_write_iter+0x400/0x400 [ 12.937816][ T282] ? move_addr_to_kernel+0x40/0x40 [ 12.937829][ T282] ___sys_sendmsg+0x14e/0x1d0 [ 12.937834][ T282] ? copy_msghdr_from_user+0x420/0x420 [ 12.937866][ T282] __sys_sendmsg+0x12c/0x1d0 [ 12.937870][ T282] ? __sys_sendmsg_sock+0x20/0x20 [ 12.937882][ T282] ? rcu_is_watching+0x16/0xd0 [ 12.937888][ T282] do_syscall_64+0xff/0x530 [ 12.937892][ T282] ? exc_page_fault+0xee/0x100 [ 12.937897][ T282] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.937900][ T282] RIP: 0033:0x7f8f2c5f154e [ 12.937905][ T282] 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 [ 12.937908][ T282] RSP: 002b:00007ffc1a242a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.937911][ T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8f2c5f154e [ 12.937913][ T282] RDX: 0000000000000000 RSI: 00007ffc1a242b30 RDI: 0000000000000005 [ 12.937915][ T282] RBP: 00007ffc1a242a90 R08: 0000000000000000 R09: 0000000000000000 [ 12.937916][ T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a662 [ 12.937918][ T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1a2431f0 [ 12.937931][ T282] [ 12.997700][ T282] br0: port 1(gw_l) entered disabled state [ 12.998226][ T282] gw_l: entered allmulticast mode [ 13.000310][ T282] gw_l: entered promiscuous mode [ 13.002204][ T282] br0: port 1(gw_l) entered blocking state [ 13.002944][ T282] br0: port 1(gw_l) entered forwarding state [ 13.019488][ T282] ip (282) used greatest stack depth: 23336 bytes left [ 13.290945][ T284] br0: port 2(amtg) entered blocking state [ 13.291660][ T284] br0: port 2(amtg) entered disabled state [ 13.292183][ T284] amtg: entered allmulticast mode [ 13.294139][ T284] amtg: entered promiscuous mode [ 14.010320][ T295] br0: port 2(amtg) entered blocking state [ 14.010338][ T295] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.010340][ T295] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 295, name: ip [ 14.010343][ T295] preempt_count: 202, expected: 0 [ 14.010344][ T295] RCU nest depth: 0, expected: 0 [ 14.010345][ T295] locks held by ip/295: 6, last CPU#3: [ 14.010348][ T295] #0: ffffffff9671b740 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11b0 [ 14.010361][ T295] #1: ff110000107bae98 (&br->lock){+...}-{3:3}, at: br_device_event+0x5fd/0x8f0 [ 14.010367][ T295] #2: ffffffff95f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.010372][ T295] #3: ffffffff95f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.010376][ T295] #4: ffffffff95e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.010380][ T295] #5: ffffffff95e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.010384][ T295] irq event stamp: 45735 [ 14.010385][ T295] hardirqs last enabled at (45734): [] __down_trylock_console_sem+0x86/0xa0 [ 14.010388][ T295] hardirqs last disabled at (45735): [] console_emit_next_record+0x3d4/0x4c0 [ 14.010390][ T295] softirqs last enabled at (45696): [] inet6_fill_ifla6_attrs+0x1cec/0x23e0 [ 14.010393][ T295] softirqs last disabled at (45730): [] br_device_event+0x5fd/0x8f0 [ 14.010395][ T295] Preemption disabled at: [ 14.010396][ T295] [<0000000000000000>] 0x0 [ 14.010402][ T295] CPU: 3 UID: 0 PID: 295 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.010406][ T295] Tainted: [W]=WARN [ 14.010407][ T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.010409][ T295] Call Trace: [ 14.010410][ T295] [ 14.010411][ T295] dump_stack_lvl+0x6f/0xa0 [ 14.010424][ T295] __might_resched.cold+0x1fe/0x2c1 [ 14.010429][ T295] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.010433][ T295] ? __kmalloc_noprof+0xdb/0x760 [ 14.010438][ T295] __kmalloc_noprof+0x443/0x760 [ 14.010440][ T295] ? alloc_buf.isra.0+0x4b/0x260 [ 14.010446][ T295] ? do_raw_spin_unlock+0x59/0x250 [ 14.010449][ T295] alloc_buf.isra.0+0x4b/0x260 [ 14.010452][ T295] put_chars+0x1e1/0x2f0 [ 14.010455][ T295] ? __send_to_port+0x420/0x420 [ 14.010456][ T295] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.010460][ T295] ? validate_chain+0x38b/0xc20 [ 14.010465][ T295] hvc_console_print+0x292/0x780 [ 14.010476][ T295] ? hvc_write+0x3a0/0x3a0 [ 14.010479][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010480][ T295] ? lock_acquire+0x13c/0x160 [ 14.010485][ T295] console_emit_next_record+0x22f/0x4c0 [ 14.010489][ T295] ? devkmsg_read+0x4b0/0x4b0 [ 14.010491][ T295] ? console_flush_one_record+0x106/0x710 [ 14.010494][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010495][ T295] ? lock_acquire+0x13c/0x160 [ 14.010499][ T295] console_flush_one_record+0x46f/0x710 [ 14.010504][ T295] ? console_emit_next_record+0x4c0/0x4c0 [ 14.010506][ T295] ? __lock_acquire+0x518/0xc20 [ 14.010511][ T295] console_unlock+0xee/0x1f0 [ 14.010514][ T295] ? console_flush_one_record+0x710/0x710 [ 14.010515][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010517][ T295] ? lock_acquire+0xe0/0x160 [ 14.010521][ T295] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.010523][ T295] ? vprintk_emit+0x320/0x3e0 [ 14.010525][ T295] vprintk_emit+0x37c/0x3e0 [ 14.010529][ T295] ? wake_up_klogd_work_func+0x90/0x90 [ 14.010531][ T295] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.010533][ T295] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.010537][ T295] _printk+0xc7/0x100 [ 14.010541][ T295] ? snapshot_read.cold+0x21/0x21 [ 14.010546][ T295] ? lock_acquire.part.0+0xd4/0x280 [ 14.010550][ T295] br_set_state+0x22f/0x430 [ 14.010555][ T295] br_init_port+0xc4/0x200 [ 14.010557][ T295] br_stp_enable_port+0x12/0x50 [ 14.010559][ T295] br_device_event+0x605/0x8f0 [ 14.010562][ T295] ? packet_sendmsg_spkt+0x1360/0x1360 [ 14.010564][ T295] ? nlmsg_notify+0x62/0x250 [ 14.010571][ T295] notifier_call_chain+0xae/0x300 [ 14.010576][ T295] __dev_notify_flags+0x1b7/0x450 [ 14.010581][ T295] ? netif_change_name+0x8c0/0x8c0 [ 14.010585][ T295] ? netif_set_allmulti+0x2c0/0x2c0 [ 14.010588][ T295] ? kernel_text_address+0x149/0x170 [ 14.010591][ T295] ? __kernel_text_address+0x12/0x30 [ 14.010592][ T295] ? write_profile+0xf0/0xf0 [ 14.010597][ T295] netif_change_flags+0xfe/0x190 [ 14.010601][ T295] do_setlink.isra.0+0x1d25/0x2a60 [ 14.010604][ T295] ? stack_trace_save+0x93/0xc0 [ 14.010606][ T295] ? rtnl_link_get_size+0x350/0x350 [ 14.010608][ T295] ? rcu_read_lock_any_held+0x66/0x90 [ 14.010610][ T295] ? stack_depot_save_flags+0x38e/0x790 [ 14.010613][ T295] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.010615][ T295] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.010617][ T295] ? validate_chain+0x38b/0xc20 [ 14.010619][ T295] ? kasan_save_stack+0x3d/0x50 [ 14.010621][ T295] ? kasan_save_stack+0x2f/0x50 [ 14.010622][ T295] ? kasan_save_track+0x14/0x30 [ 14.010624][ T295] ? __kasan_kmalloc+0x7b/0x90 [ 14.010626][ T295] ? __lock_acquire+0x518/0xc20 [ 14.010628][ T295] ? snd_ac97_proc_read_main+0x4de/0x1f00 [ 14.010631][ T295] ? ___sys_sendmsg+0xd0/0x1d0 [ 14.010634][ T295] ? lock_acquire.part.0+0xd4/0x280 [ 14.010636][ T295] ? rtnl_newlink+0x9a8/0x11b0 [ 14.010639][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010641][ T295] ? lock_acquire+0x13c/0x160 [ 14.010642][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010643][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010645][ T295] ? trace_contention_end+0xb3/0x180 [ 14.010647][ T295] ? __mutex_lock+0x1db/0x1ea0 [ 14.010650][ T295] ? __mutex_lock+0x9a3/0x1ea0 [ 14.010652][ T295] ? rtnl_newlink+0x9a8/0x11b0 [ 14.010655][ T295] ? ww_mutex_lock+0x160/0x160 [ 14.010659][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010661][ T295] ? __rtnl_newlink+0x3fa/0xa50 [ 14.010666][ T295] rtnl_newlink+0x9f1/0x11b0 [ 14.010672][ T295] ? rtnl_bridge_getlink+0x850/0x850 [ 14.010673][ T295] ? __lock_acquire+0x518/0xc20 [ 14.010678][ T295] ? lock_acquire.part.0+0xd4/0x280 [ 14.010680][ T295] ? find_held_lock+0x2b/0x80 [ 14.010682][ T295] ? rtnl_bridge_getlink+0x850/0x850 [ 14.010684][ T295] ? __lock_release.isra.0+0x69/0x1a0 [ 14.010688][ T295] ? rtnl_bridge_getlink+0x850/0x850 [ 14.010690][ T295] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 14.010693][ T295] ? rtnl_link_fill+0x920/0x920 [ 14.010695][ T295] ? __lock_acquire+0x518/0xc20 [ 14.010699][ T295] ? lock_acquire.part.0+0xd4/0x280 [ 14.010701][ T295] ? find_held_lock+0x2b/0x80 [ 14.010704][ T295] netlink_rcv_skb+0x14e/0x3a0 [ 14.010706][ T295] ? rtnl_link_fill+0x920/0x920 [ 14.010709][ T295] ? netlink_ack+0xcf0/0xcf0 [ 14.010716][ T295] ? netlink_deliver_tap+0xc5/0x330 [ 14.010718][ T295] ? netlink_deliver_tap+0x13c/0x330 [ 14.010722][ T295] netlink_unicast+0x486/0x750 [ 14.010726][ T295] ? netlink_attachskb+0x810/0x810 [ 14.010729][ T295] ? find_held_lock+0x2b/0x80 [ 14.010733][ T295] netlink_sendmsg+0x75b/0xc90 [ 14.010737][ T295] ? netlink_unicast+0x750/0x750 [ 14.010741][ T295] ? __lock_release.isra.0+0x69/0x1a0 [ 14.010743][ T295] ? __import_iovec+0x36c/0x620 [ 14.010748][ T295] __sock_sendmsg+0xce/0x190 [ 14.010751][ T295] ____sys_sendmsg+0x61a/0x860 [ 14.010753][ T295] ? copy_msghdr_from_user+0x279/0x420 [ 14.010755][ T295] ? sock_write_iter+0x400/0x400 [ 14.010757][ T295] ? move_addr_to_kernel+0x40/0x40 [ 14.010764][ T295] ___sys_sendmsg+0x14e/0x1d0 [ 14.010767][ T295] ? copy_msghdr_from_user+0x420/0x420 [ 14.010783][ T295] __sys_sendmsg+0x12c/0x1d0 [ 14.010786][ T295] ? __sys_sendmsg_sock+0x20/0x20 [ 14.010792][ T295] ? rcu_is_watching+0x16/0xd0 [ 14.010795][ T295] do_syscall_64+0xff/0x530 [ 14.010798][ T295] ? exc_page_fault+0xee/0x100 [ 14.010801][ T295] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.010803][ T295] RIP: 0033:0x7fb3cf95a54e [ 14.010806][ T295] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 14.010807][ T295] RSP: 002b:00007ffefe7bb490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.010810][ T295] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb3cf95a54e [ 14.010811][ T295] RDX: 0000000000000000 RSI: 00007ffefe7bb540 RDI: 0000000000000005 [ 14.010812][ T295] RBP: 00007ffefe7bb4a0 R08: 0000000000000000 R09: 0000000000000000 [ 14.010813][ T295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a663 [ 14.010813][ T295] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefe7bbc00 [ 14.010820][ T295] [ 14.049982][ T295] br0: port 2(amtg) entered forwarding state [ 14.068852][ T295] ip (295) used greatest stack depth: 23016 bytes left [ 14.382070][ T302] amtr: entered allmulticast mode [ 14.382551][ T302] relay_gw: entered allmulticast mode [ 14.382891][ T302] relay_src: entered allmulticast mode [ 28.201544][ C0] [ 28.201560][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.201562][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 28.201564][ C0] preempt_count: 104, expected: 0 [ 28.201565][ C0] RCU nest depth: 0, expected: 0 [ 28.201566][ C0] INFO: lockdep is turned off. [ 28.201567][ C0] irq event stamp: 607438 [ 28.201568][ C0] hardirqs last enabled at (607438): [] _raw_spin_unlock_irq+0x28/0x50 [ 28.201577][ C0] hardirqs last disabled at (607437): [] _raw_spin_lock_irq+0x4a/0x50 [ 28.201578][ C0] softirqs last enabled at (607422): [] handle_softirqs+0x67c/0x900 [ 28.201582][ C0] softirqs last disabled at (607435): [] __irq_exit_rcu+0x145/0x1c0 [ 28.201584][ C0] Preemption disabled at: [ 28.201585][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 28.201593][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.201596][ C0] Tainted: [W]=WARN [ 28.201597][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.201599][ C0] Call Trace: [ 28.201600][ C0] [ 28.201602][ C0] dump_stack_lvl+0x6f/0xa0 [ 28.201608][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 28.201610][ C0] __might_resched.cold+0x1fe/0x2c1 [ 28.201613][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.201616][ C0] ? __asan_memcpy+0x3c/0x60 [ 28.201620][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201623][ C0] __kmalloc_noprof+0x443/0x760 [ 28.201626][ C0] ? __rwlock_init+0x150/0x150 [ 28.201629][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 28.201633][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 28.201635][ C0] alloc_buf.isra.0+0x4b/0x260 [ 28.201638][ C0] put_chars+0x1e1/0x2f0 [ 28.201640][ C0] ? __send_to_port+0x420/0x420 [ 28.201641][ C0] ? console_prepend_replay+0x20/0x20 [ 28.201645][ C0] hvc_console_print+0x292/0x780 [ 28.201650][ C0] ? hvc_write+0x3a0/0x3a0 [ 28.201652][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201653][ C0] ? lock_acquire+0x13c/0x160 [ 28.201656][ C0] console_emit_next_record+0x22f/0x4c0 [ 28.201658][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 28.201660][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201661][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201663][ C0] ? lock_acquire+0x13c/0x160 [ 28.201664][ C0] ? console_flush_one_record+0x111/0x710 [ 28.201666][ C0] console_flush_one_record+0x46f/0x710 [ 28.201669][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 28.201672][ C0] console_unlock+0xee/0x1f0 [ 28.201674][ C0] ? lock_acquire+0x13c/0x160 [ 28.201675][ C0] ? console_flush_one_record+0x710/0x710 [ 28.201677][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201678][ C0] ? lock_release+0x184/0x1f0 [ 28.201679][ C0] ? lock_acquire+0xe0/0x160 [ 28.201681][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.201684][ C0] ? vprintk_emit+0x320/0x3e0 [ 28.201685][ C0] vprintk_emit+0x37c/0x3e0 [ 28.201687][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 28.201688][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201689][ C0] ? lock_release+0x184/0x1f0 [ 28.201691][ C0] ? x86_64_start_kernel+0xd0/0x130 [ 28.201695][ C0] _printk+0xc7/0x100 [ 28.201698][ C0] ? snapshot_read.cold+0x21/0x21 [ 28.201700][ C0] ? arch_stack_walk+0xd7/0x130 [ 28.201703][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 28.201704][ C0] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 28.201706][ C0] print_irq_inversion_bug.part.0+0x32/0xc0 [ 28.201709][ C0] mark_lock_irq+0x989/0x9c0 [ 28.201712][ C0] mark_lock+0x1d7/0xa00 [ 28.201714][ C0] mark_usage+0x42/0x170 [ 28.201715][ C0] __lock_acquire+0x388/0xc20 [ 28.201718][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.201720][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 28.201724][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201725][ C0] ? lock_acquire+0x13c/0x160 [ 28.201727][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 28.201728][ C0] _raw_spin_lock+0x33/0x40 [ 28.201730][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 28.201731][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 28.201733][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 28.201734][ C0] call_timer_fn+0x160/0x4d0 [ 28.201738][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 28.201739][ C0] ? debug_object_active_state+0x430/0x430 [ 28.201743][ C0] ? find_held_lock+0x2b/0x80 [ 28.201744][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 28.201746][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201748][ C0] __run_timers+0x68f/0xaa0 [ 28.201750][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 28.201752][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 28.201754][ C0] ? __lock_acquire+0x518/0xc20 [ 28.201757][ C0] ? __rwlock_init+0x150/0x150 [ 28.201759][ C0] run_timer_softirq+0xf0/0x160 [ 28.201761][ C0] ? __run_timers+0xaa0/0xaa0 [ 28.201763][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.201766][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201767][ C0] handle_softirqs+0x1d3/0x900 [ 28.201769][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 28.201771][ C0] ? _local_bh_enable+0xc0/0xc0 [ 28.201773][ C0] __irq_exit_rcu+0x145/0x1c0 [ 28.201775][ C0] irq_exit_rcu+0xe/0x30 [ 28.201777][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.201779][ C0] [ 28.201779][ C0] [ 28.201780][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 28.201782][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.201784][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 28.201787][ C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 28.201789][ C0] RSP: 0018:ffffffff95c07cf8 EFLAGS: 00000296 [ 28.201792][ C0] RAX: 00000000000944c9 RBX: ffffffff95c30600 RCX: ffffffff92306247 [ 28.201793][ C0] RDX: ffffffff95c30600 RSI: ffffffff95511011 RDI: ffffffff94e949e0 [ 28.201794][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.201795][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2b80fa2 [ 28.201796][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 28.201797][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.201801][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 28.201802][ C0] default_idle+0x9/0x10 [ 28.201804][ C0] default_idle_call+0x6e/0xb0 [ 28.201806][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.201808][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 28.201810][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 28.201812][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.201814][ C0] do_idle+0xd8/0x190 [ 28.201815][ C0] cpu_startup_entry+0x53/0x70 [ 28.201817][ C0] rest_init+0x279/0x280 [ 28.201819][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 28.201821][ C0] ? rest_init+0x280/0x280 [ 28.201823][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 28.201827][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 28.201828][ C0] ? acpi_enable+0x1e4/0x330 [ 28.201830][ C0] start_kernel+0x3b9/0x3c0 [ 28.201833][ C0] x86_64_start_reservations+0x24/0x30 [ 28.201835][ C0] x86_64_start_kernel+0x12b/0x130 [ 28.201837][ C0] common_startup_64+0x13e/0x148 [ 28.201841][ C0] [ 28.235789][ C0] ======================================================== [ 28.236114][ C0] WARNING: possible irq lock inversion dependency detected [ 28.236427][ C0] 7.2.0-virtme #1 Tainted: G W [ 28.236621][ C0] -------------------------------------------------------- [ 28.236842][ C0] swapper/0/0 just changed the state of lock: [ 28.237079][ C0] ff110000107bae98 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [ 28.237351][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 28.237630][ C0] (fs_reclaim){+.+.}-{0:0} [ 28.237633][ C0] [ 28.237633][ C0] [ 28.237633][ C0] and interrupts could create inverse lock ordering between them. [ 28.237633][ C0] [ 28.240729][ C0] [ 28.240729][ C0] other info that might help us debug this: [ 28.240957][ C0] Chain exists of: [ 28.240957][ C0] &br->lock --> console_owner --> fs_reclaim [ 28.240957][ C0] [ 28.241405][ C0] Possible interrupt unsafe locking scenario: [ 28.241405][ C0] [ 28.241686][ C0] CPU0 CPU1 [ 28.241841][ C0] ---- ---- [ 28.242045][ C0] lock(fs_reclaim); [ 28.242216][ C0] local_irq_disable(); [ 28.242409][ C0] lock(&br->lock); [ 28.242654][ C0] lock(console_owner); [ 28.242894][ C0] [ 28.243060][ C0] lock(&br->lock); [ 28.243175][ C0] [ 28.243175][ C0] *** DEADLOCK *** [ 28.243175][ C0] [ 28.243451][ C0] locks held by swapper/0/0: 1, last CPU#0: [ 28.243702][ C0] #0: ffa0000000007c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 28.244116][ C0] [ 28.244116][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 28.246885][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 28.247050][ C0] HARDIRQ-ON-W at: [ 28.247221][ C0] __lock_acquire+0x388/0xc20 [ 28.247424][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.247620][ C0] fs_reclaim_acquire+0xd5/0x120 [ 28.247874][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 28.248151][ C0] kthread_create_worker_on_node+0xea/0x210 [ 28.248439][ C0] workqueue_init+0x2a/0x680 [ 28.248687][ C0] kernel_init_freeable+0x2fe/0x630 [ 28.248916][ C0] kernel_init+0x21/0x150 [ 28.249105][ C0] ret_from_fork+0x474/0x6b0 [ 28.249351][ C0] ret_from_fork_asm+0x11/0x20 [ 28.249552][ C0] SOFTIRQ-ON-W at: [ 28.249669][ C0] __lock_acquire+0x388/0xc20 [ 28.249977][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.250220][ C0] fs_reclaim_acquire+0xd5/0x120 [ 28.250468][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 28.250753][ C0] kthread_create_worker_on_node+0xea/0x210 [ 28.250982][ C0] workqueue_init+0x2a/0x680 [ 28.251278][ C0] kernel_init_freeable+0x2fe/0x630 [ 28.251565][ C0] kernel_init+0x21/0x150 [ 28.253832][ C0] ret_from_fork+0x474/0x6b0 [ 28.254093][ C0] ret_from_fork_asm+0x11/0x20 [ 28.254340][ C0] INITIAL USE at: [ 28.254460][ C0] __lock_acquire+0x388/0xc20 [ 28.254760][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.254999][ C0] fs_reclaim_acquire+0xd5/0x120 [ 28.255243][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 28.255530][ C0] kthread_create_worker_on_node+0xea/0x210 [ 28.255810][ C0] workqueue_init+0x2a/0x680 [ 28.256121][ C0] kernel_init_freeable+0x2fe/0x630 [ 28.256427][ C0] kernel_init+0x21/0x150 [ 28.256623][ C0] ret_from_fork+0x474/0x6b0 [ 28.256870][ C0] ret_from_fork_asm+0x11/0x20 [ 28.257060][ C0] } [ 28.257140][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 28.257424][ C0] ... acquired at: [ 28.257548][ C0] __lock_acquire+0x518/0xc20 [ 28.257702][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.257957][ C0] fs_reclaim_acquire+0xd5/0x120 [ 28.258107][ C0] __kmalloc_noprof+0xd3/0x760 [ 28.260473][ C0] alloc_buf.isra.0+0x4b/0x260 [ 28.260809][ C0] put_chars+0x1e1/0x2f0 [ 28.261002][ C0] hvc_console_print+0x292/0x780 [ 28.261228][ C0] console_emit_next_record+0x22f/0x4c0 [ 28.261544][ C0] console_flush_one_record+0x46f/0x710 [ 28.261753][ C0] console_unlock+0xee/0x1f0 [ 28.262148][ C0] vprintk_emit+0x37c/0x3e0 [ 28.262379][ C0] _printk+0xc7/0x100 [ 28.262645][ C0] tun_init+0x24/0xb0 [ 28.262819][ C0] do_one_initcall+0x124/0x4f0 [ 28.263223][ C0] kernel_init_freeable+0x596/0x630 [ 28.263451][ C0] kernel_init+0x21/0x150 [ 28.263776][ C0] ret_from_fork+0x474/0x6b0 [ 28.264000][ C0] ret_from_fork_asm+0x11/0x20 [ 28.264230][ C0] [ 28.264351][ C0] -> (console_owner){....}-{0:0} { [ 28.264585][ C0] INITIAL USE at: [ 28.264757][ C0] } [ 28.264874][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 28.265378][ C0] ... acquired at: [ 28.269026][ C0] __lock_acquire+0x518/0xc20 [ 28.269345][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.269576][ C0] console_lock_spinning_enable+0x5c/0x60 [ 28.270035][ C0] console_emit_next_record+0x1d1/0x4c0 [ 28.270267][ C0] console_flush_one_record+0x46f/0x710 [ 28.270676][ C0] console_unlock+0xee/0x1f0 [ 28.270991][ C0] vprintk_emit+0x37c/0x3e0 [ 28.271470][ C0] _printk+0xc7/0x100 [ 28.271659][ C0] br_set_state+0x22f/0x430 [ 28.271975][ C0] br_init_port+0xc4/0x200 [ 28.275748][ C0] br_stp_enable_port+0x12/0x50 [ 28.276067][ C0] br_add_if+0xde2/0x1320 [ 28.276289][ C0] do_set_master+0x3b2/0x780 [ 28.276510][ C0] do_setlink.isra.0+0x9ec/0x2a60 [ 28.276677][ C0] rtnl_newlink+0x9f1/0x11b0 [ 28.276883][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.277035][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 28.277239][ C0] netlink_unicast+0x486/0x750 [ 28.277411][ C0] netlink_sendmsg+0x75b/0xc90 [ 28.277687][ C0] __sock_sendmsg+0xce/0x190 [ 28.277841][ C0] ____sys_sendmsg+0x61a/0x860 [ 28.278096][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 28.278249][ C0] __sys_sendmsg+0x12c/0x1d0 [ 28.278528][ C0] do_syscall_64+0xff/0x530 [ 28.278684][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.278926][ C0] [ 28.279051][ C0] -> (&br->lock){+.-.}-{3:3} { [ 28.282490][ C0] HARDIRQ-ON-W at: [ 28.282679][ C0] __lock_acquire+0x388/0xc20 [ 28.283065][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.283448][ C0] _raw_spin_lock_bh+0x38/0x50 [ 28.283924][ C0] br_stp_enable_bridge+0x23/0x340 [ 28.284230][ C0] br_dev_open+0x94/0x120 [ 28.284476][ C0] __dev_open+0x322/0x7a0 [ 28.284726][ C0] __dev_change_flags+0x4a4/0x6d0 [ 28.287432][ C0] netif_change_flags+0x87/0x190 [ 28.287625][ C0] do_setlink.isra.0+0x1d25/0x2a60 [ 28.287863][ C0] rtnl_newlink+0x9f1/0x11b0 [ 28.288119][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.288363][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 28.288657][ C0] netlink_unicast+0x486/0x750 [ 28.288843][ C0] netlink_sendmsg+0x75b/0xc90 [ 28.289037][ C0] __sock_sendmsg+0xce/0x190 [ 28.289273][ C0] ____sys_sendmsg+0x61a/0x860 [ 28.289515][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 28.289813][ C0] __sys_sendmsg+0x12c/0x1d0 [ 28.290004][ C0] do_syscall_64+0xff/0x530 [ 28.290246][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.290583][ C0] IN-SOFTIRQ-W at: [ 28.290695][ C0] __lock_acquire+0x388/0xc20 [ 28.290984][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.293460][ C0] _raw_spin_lock+0x33/0x40 [ 28.293705][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 28.293979][ C0] call_timer_fn+0x160/0x4d0 [ 28.294170][ C0] __run_timers+0x68f/0xaa0 [ 28.294484][ C0] run_timer_softirq+0xf0/0x160 [ 28.294676][ C0] handle_softirqs+0x1d3/0x900 [ 28.294914][ C0] __irq_exit_rcu+0x145/0x1c0 [ 28.295205][ C0] irq_exit_rcu+0xe/0x30 [ 28.295391][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.295722][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.296055][ C0] pv_native_safe_halt+0xf/0x10 [ 28.296240][ C0] default_idle+0x9/0x10 [ 28.296485][ C0] default_idle_call+0x6e/0xb0 [ 28.296678][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.296902][ C0] do_idle+0xd8/0x190 [ 28.297053][ C0] cpu_startup_entry+0x53/0x70 [ 28.297295][ C0] rest_init+0x279/0x280 [ 28.297544][ C0] start_kernel+0x3b9/0x3c0 [ 28.297787][ C0] x86_64_start_reservations+0x24/0x30 [ 28.298032][ C0] x86_64_start_kernel+0x12b/0x130 [ 28.298276][ C0] common_startup_64+0x13e/0x148 [ 28.298543][ C0] INITIAL USE at: [ 28.298718][ C0] __lock_acquire+0x388/0xc20 [ 28.299012][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.299195][ C0] _raw_spin_lock_bh+0x38/0x50 [ 28.299434][ C0] br_stp_enable_bridge+0x23/0x340 [ 28.299680][ C0] br_dev_open+0x94/0x120 [ 28.299922][ C0] __dev_open+0x322/0x7a0 [ 28.300159][ C0] __dev_change_flags+0x4a4/0x6d0 [ 28.300349][ C0] netif_change_flags+0x87/0x190 [ 28.300646][ C0] do_setlink.isra.0+0x1d25/0x2a60 [ 28.300835][ C0] rtnl_newlink+0x9f1/0x11b0 [ 28.301021][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 28.301261][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 28.301505][ C0] netlink_unicast+0x486/0x750 [ 28.301697][ C0] netlink_sendmsg+0x75b/0xc90 [ 28.304145][ C0] __sock_sendmsg+0xce/0x190 [ 28.304333][ C0] ____sys_sendmsg+0x61a/0x860 [ 28.304585][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 28.304769][ C0] __sys_sendmsg+0x12c/0x1d0 [ 28.305008][ C0] do_syscall_64+0xff/0x530 [ 28.305243][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.305468][ C0] } [ 28.305604][ C0] ... key at: [] __key.7+0x0/0x40 [ 28.305841][ C0] ... acquired at: [ 28.306004][ C0] mark_lock+0x1d7/0xa00 [ 28.306156][ C0] mark_usage+0x42/0x170 [ 28.306359][ C0] __lock_acquire+0x388/0xc20 [ 28.306510][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.306766][ C0] _raw_spin_lock+0x33/0x40 [ 28.306918][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 28.307207][ C0] call_timer_fn+0x160/0x4d0 [ 28.307413][ C0] __run_timers+0x68f/0xaa0 [ 28.307567][ C0] run_timer_softirq+0xf0/0x160 [ 28.307822][ C0] handle_softirqs+0x1d3/0x900 [ 28.307971][ C0] __irq_exit_rcu+0x145/0x1c0 [ 28.308118][ C0] irq_exit_rcu+0xe/0x30 [ 28.308315][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.308563][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.308756][ C0] pv_native_safe_halt+0xf/0x10 [ 28.309009][ C0] default_idle+0x9/0x10 [ 28.309158][ C0] default_idle_call+0x6e/0xb0 [ 28.309362][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.309608][ C0] do_idle+0xd8/0x190 [ 28.309770][ C0] cpu_startup_entry+0x53/0x70 [ 28.309919][ C0] rest_init+0x279/0x280 [ 28.310170][ C0] start_kernel+0x3b9/0x3c0 [ 28.310317][ C0] x86_64_start_reservations+0x24/0x30 [ 28.310582][ C0] x86_64_start_kernel+0x12b/0x130 [ 28.310731][ C0] common_startup_64+0x13e/0x148 [ 28.310932][ C0] [ 28.311005][ C0] [ 28.311005][ C0] stack backtrace: [ 28.311190][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.311194][ C0] Tainted: [W]=WARN [ 28.311195][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.311197][ C0] Call Trace: [ 28.311198][ C0] [ 28.311199][ C0] dump_stack_lvl+0x6f/0xa0 [ 28.311204][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 28.311207][ C0] mark_lock_irq+0x989/0x9c0 [ 28.311210][ C0] mark_lock+0x1d7/0xa00 [ 28.311212][ C0] mark_usage+0x42/0x170 [ 28.311214][ C0] __lock_acquire+0x388/0xc20 [ 28.311216][ C0] lock_acquire.part.0+0xd4/0x280 [ 28.311218][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 28.311220][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.311222][ C0] ? lock_acquire+0x13c/0x160 [ 28.311224][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 28.311226][ C0] _raw_spin_lock+0x33/0x40 [ 28.311227][ C0] ? br_forward_delay_timer_expired+0x44/0x5d0 [ 28.311228][ C0] br_forward_delay_timer_expired+0x44/0x5d0 [ 28.311230][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 28.311231][ C0] call_timer_fn+0x160/0x4d0 [ 28.311234][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 28.311235][ C0] ? debug_object_active_state+0x430/0x430 [ 28.311239][ C0] ? find_held_lock+0x2b/0x80 [ 28.311241][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 28.311243][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.311245][ C0] __run_timers+0x68f/0xaa0 [ 28.311246][ C0] ? br_message_age_timer_expired+0x70/0x70 [ 28.311248][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 28.311250][ C0] ? __lock_acquire+0x518/0xc20 [ 28.311253][ C0] ? __rwlock_init+0x150/0x150 [ 28.311256][ C0] run_timer_softirq+0xf0/0x160 [ 28.311258][ C0] ? __run_timers+0xaa0/0xaa0 [ 28.311260][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.311263][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.311264][ C0] handle_softirqs+0x1d3/0x900 [ 28.311266][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 28.311268][ C0] ? _local_bh_enable+0xc0/0xc0 [ 28.311270][ C0] __irq_exit_rcu+0x145/0x1c0 [ 28.311272][ C0] irq_exit_rcu+0xe/0x30 [ 28.311273][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 28.311275][ C0] [ 28.311276][ C0] [ 28.311276][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 28.311278][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 28.311280][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 28.311282][ C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 28.311284][ C0] RSP: 0018:ffffffff95c07cf8 EFLAGS: 00000296 [ 28.311286][ C0] RAX: 00000000000944c9 RBX: ffffffff95c30600 RCX: ffffffff92306247 [ 28.311288][ C0] RDX: ffffffff95c30600 RSI: ffffffff95511011 RDI: ffffffff94e949e0 [ 28.311289][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.311289][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2b80fa2 [ 28.311290][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 28.311292][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.311294][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 28.311296][ C0] default_idle+0x9/0x10 [ 28.311297][ C0] default_idle_call+0x6e/0xb0 [ 28.311299][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 28.311300][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 28.311302][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 28.311305][ C0] ? rcu_is_watching+0x16/0xd0 [ 28.311306][ C0] do_idle+0xd8/0x190 [ 28.311308][ C0] cpu_startup_entry+0x53/0x70 [ 28.311310][ C0] rest_init+0x279/0x280 [ 28.311311][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 28.311314][ C0] ? rest_init+0x280/0x280 [ 28.311316][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 28.311319][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 28.311321][ C0] ? acpi_enable+0x1e4/0x330 [ 28.311323][ C0] start_kernel+0x3b9/0x3c0 [ 28.311325][ C0] x86_64_start_reservations+0x24/0x30 [ 28.311327][ C0] x86_64_start_kernel+0x12b/0x130 [ 28.311328][ C0] common_startup_64+0x13e/0x148 [ 28.311331][ C0] [ 529.142774][ T12] br0: port 1(gw_l) entered disabled state [ 529.142791][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 529.142794][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 529.142796][ T12] preempt_count: 202, expected: 0 [ 529.142797][ T12] RCU nest depth: 0, expected: 0 [ 529.142797][ T12] INFO: lockdep is turned off. [ 529.142799][ T12] irq event stamp: 12350 [ 529.142800][ T12] hardirqs last enabled at (12349): [] _raw_spin_unlock_irq+0x28/0x50 [ 529.142808][ T12] hardirqs last disabled at (12350): [] __schedule+0x1246/0x20e0 [ 529.142811][ T12] softirqs last enabled at (12346): [] __fib6_clean_all+0xff/0x290 [ 529.142815][ T12] softirqs last disabled at (12340): [] __fib6_clean_all+0xd9/0x290 [ 529.142817][ T12] Preemption disabled at: [ 529.142817][ T12] [<0000000000000000>] 0x0 [ 529.142824][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 529.142828][ T12] Tainted: [W]=WARN [ 529.142829][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 529.142831][ T12] Workqueue: netns cleanup_net [ 529.142836][ T12] Call Trace: [ 529.142838][ T12] [ 529.142840][ T12] dump_stack_lvl+0x6f/0xa0 [ 529.142846][ T12] __might_resched.cold+0x1fe/0x2c1 [ 529.142849][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 529.142853][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.142856][ T12] __kmalloc_noprof+0x443/0x760 [ 529.142859][ T12] ? __rwlock_init+0x150/0x150 [ 529.142862][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 529.142867][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 529.142869][ T12] alloc_buf.isra.0+0x4b/0x260 [ 529.142871][ T12] put_chars+0x1e1/0x2f0 [ 529.142873][ T12] ? __send_to_port+0x420/0x420 [ 529.142874][ T12] ? printk_get_next_message+0x240/0x650 [ 529.142877][ T12] ? console_prepend_replay+0x20/0x20 [ 529.142879][ T12] hvc_console_print+0x292/0x780 [ 529.142884][ T12] ? hvc_write+0x3a0/0x3a0 [ 529.142886][ T12] ? __rwlock_init+0x150/0x150 [ 529.142888][ T12] ? lock_acquire+0x13c/0x160 [ 529.142890][ T12] console_emit_next_record+0x22f/0x4c0 [ 529.142893][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 529.142895][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.142896][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.142897][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.142898][ T12] ? lock_acquire+0x13c/0x160 [ 529.142900][ T12] ? console_flush_one_record+0x111/0x710 [ 529.142902][ T12] console_flush_one_record+0x46f/0x710 [ 529.142904][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 529.142907][ T12] console_unlock+0xee/0x1f0 [ 529.142909][ T12] ? lock_acquire+0x13c/0x160 [ 529.142911][ T12] ? console_flush_one_record+0x710/0x710 [ 529.142912][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.142913][ T12] ? lock_release+0x184/0x1f0 [ 529.142915][ T12] ? lock_acquire+0xe0/0x160 [ 529.142916][ T12] ? __rcu_read_lock+0x70/0x70 [ 529.142918][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 529.142920][ T12] ? vprintk_emit+0x320/0x3e0 [ 529.142922][ T12] vprintk_emit+0x37c/0x3e0 [ 529.142923][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 529.142924][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.142925][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 529.142929][ T12] ? trace_hardirqs_on+0x36/0x40 [ 529.142931][ T12] _printk+0xc7/0x100 [ 529.142934][ T12] ? snapshot_read.cold+0x21/0x21 [ 529.142936][ T12] ? ipv6_mc_down+0x17e/0x2d0 [ 529.142939][ T12] br_set_state+0x22f/0x430 [ 529.142943][ T12] br_stp_disable_port+0x11f/0x390 [ 529.142945][ T12] br_device_event+0x7b5/0x8f0 [ 529.142948][ T12] ? packet_sendmsg_spkt+0x1360/0x1360 [ 529.142950][ T12] ? addrconf_notify+0x2c8/0xf30 [ 529.142953][ T12] notifier_call_chain+0xae/0x300 [ 529.142956][ T12] netif_close_many+0x366/0x770 [ 529.142959][ T12] ? __dev_close_many+0x680/0x680 [ 529.142960][ T12] ? netif_close_many_and_unlock+0x22/0x2c0 [ 529.142963][ T12] unregister_netdevice_many_notify+0x71a/0x1b40 [ 529.142965][ T12] ? ops_undo_list+0x2ce/0x8f0 [ 529.142966][ T12] ? worker_thread+0x4f1/0xd60 [ 529.142969][ T12] ? kthread+0x367/0x460 [ 529.142971][ T12] ? ret_from_fork+0x474/0x6b0 [ 529.142974][ T12] ? ret_from_fork_asm+0x11/0x20 [ 529.142976][ T12] ? unregister_netdevice_queued+0x80/0x80 [ 529.142978][ T12] ? get_rps_cpu+0x980/0x980 [ 529.142980][ T12] default_device_exit_batch+0x38b/0x600 [ 529.142981][ T12] ? __mutex_unlock_slowpath+0x5e5/0x740 [ 529.142983][ T12] ? lock_acquire+0x13c/0x160 [ 529.142985][ T12] ? unregister_netdevice_queue+0x470/0x470 [ 529.142986][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 529.142988][ T12] ? fou_exit_net+0x30/0x110 [ 529.142991][ T12] ops_undo_list+0x2ce/0x8f0 [ 529.142993][ T12] ? netns_install+0x2a0/0x2a0 [ 529.142995][ T12] ? idr_destroy+0x121/0x250 [ 529.142998][ T12] cleanup_net+0x431/0x940 [ 529.143000][ T12] ? net_passive_dec+0x230/0x230 [ 529.143001][ T12] ? update_load_avg+0x141/0xf00 [ 529.143004][ T12] ? lock_acquire+0x13c/0x160 [ 529.143005][ T12] ? rcu_is_watching+0x16/0xd0 [ 529.143007][ T12] process_one_work+0xe3e/0x1560 [ 529.143010][ T12] ? __queue_delayed_work+0x470/0x470 [ 529.143012][ T12] ? find_held_lock+0x2b/0x80 [ 529.143014][ T12] ? __rwlock_init+0x150/0x150 [ 529.143017][ T12] worker_thread+0x4f1/0xd60 [ 529.143030][ T12] ? rescuer_thread+0x1340/0x1340 [ 529.143032][ T12] kthread+0x367/0x460 [ 529.143033][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 529.143035][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 529.143037][ T12] ret_from_fork+0x474/0x6b0 [ 529.143038][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 529.143040][ T12] ? __switch_to+0x5a3/0xe00 [ 529.143043][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 529.143045][ T12] ret_from_fork_asm+0x11/0x20 [ 529.143048][ T12] [ 529.162755][ T12] gw_l (unregistering): left allmulticast mode [ 529.162981][ T12] gw_l (unregistering): left promiscuous mode [ 529.163200][ T12] br0: port 1(gw_l) entered disabled state [ 529.187281][ T12] amtg: left allmulticast mode [ 529.187513][ T12] amtg: left promiscuous mode [ 529.187775][ T12] br0: port 2(amtg) entered disabled state [ 529.203963][ T12] relay_gw (unregistering): left allmulticast mode [ 529.207386][ T12] amtr (unregistering): left allmulticast mode [ 529.214424][ T302] relay_src: left allmulticast mode