[ 12.004347][ T186] ip (186) used greatest stack depth: 24032 bytes left [ 12.004365][ T186] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.004368][ T186] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 186, name: ip [ 12.004370][ T186] preempt_count: 2, expected: 0 [ 12.004371][ T186] RCU nest depth: 0, expected: 0 [ 12.004373][ T186] locks held by ip/186: 5, last CPU#3: [ 12.004376][ T186] #0: ffffffff908027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.004391][ T186] #1: ffffffff90969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.004399][ T186] #2: ffffffff90969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.004405][ T186] #3: ffffffff90889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.004412][ T186] #4: ffffffff90889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.004418][ T186] irq event stamp: 46324 [ 12.004419][ T186] hardirqs last enabled at (46323): [] __down_trylock_console_sem+0x86/0xa0 [ 12.004423][ T186] hardirqs last disabled at (46324): [] console_emit_next_record+0x3d4/0x4c0 [ 12.004425][ T186] softirqs last enabled at (46030): [] handle_softirqs+0x67c/0x900 [ 12.004428][ T186] softirqs last disabled at (46023): [] __irq_exit_rcu+0x145/0x1c0 [ 12.004432][ T186] Preemption disabled at: [ 12.004433][ T186] [<0000000000000000>] 0x0 [ 12.004442][ T186] CPU: 3 UID: 0 PID: 186 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.004447][ T186] Tainted: [W]=WARN [ 12.004448][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.004450][ T186] Call Trace: [ 12.004453][ T186] [ 12.004455][ T186] dump_stack_lvl+0x6f/0xa0 [ 12.004463][ T186] __might_resched.cold+0x1fe/0x2c1 [ 12.004469][ T186] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.004475][ T186] ? __kmalloc_noprof+0xdb/0x760 [ 12.004483][ T186] __kmalloc_noprof+0x443/0x760 [ 12.004486][ T186] ? alloc_buf.isra.0+0x4b/0x260 [ 12.004495][ T186] ? do_raw_spin_unlock+0x59/0x250 [ 12.004499][ T186] alloc_buf.isra.0+0x4b/0x260 [ 12.004504][ T186] put_chars+0x1e1/0x2f0 [ 12.004508][ T186] ? __send_to_port+0x420/0x420 [ 12.004510][ T186] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.004517][ T186] ? validate_chain+0x38b/0xc20 [ 12.004526][ T186] hvc_console_print+0x292/0x780 [ 12.004537][ T186] ? hvc_write+0x3a0/0x3a0 [ 12.004540][ T186] ? rcu_is_watching+0x16/0xd0 [ 12.004544][ T186] ? lock_acquire+0x13c/0x160 [ 12.004551][ T186] console_emit_next_record+0x22f/0x4c0 [ 12.004557][ T186] ? devkmsg_read+0x4b0/0x4b0 [ 12.004560][ T186] ? console_flush_one_record+0x106/0x710 [ 12.004565][ T186] ? rcu_is_watching+0x16/0xd0 [ 12.004569][ T186] ? lock_acquire+0x13c/0x160 [ 12.004576][ T186] console_flush_one_record+0x46f/0x710 [ 12.004583][ T186] ? console_emit_next_record+0x4c0/0x4c0 [ 12.004585][ T186] ? __lock_acquire+0x518/0xc20 [ 12.004595][ T186] console_unlock+0xee/0x1f0 [ 12.004599][ T186] ? console_flush_one_record+0x710/0x710 [ 12.004602][ T186] ? rcu_is_watching+0x16/0xd0 [ 12.004605][ T186] ? lock_acquire+0x60/0x160 [ 12.004612][ T186] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.004615][ T186] ? vprintk_emit+0x320/0x3e0 [ 12.004620][ T186] vprintk_emit+0x37c/0x3e0 [ 12.004626][ T186] ? wake_up_klogd_work_func+0x90/0x90 [ 12.004632][ T186] ? __lock_acquire+0x518/0xc20 [ 12.004639][ T186] _printk+0xc7/0x100 [ 12.004643][ T186] ? snapshot_read.cold+0x21/0x21 [ 12.004653][ T186] ? do_raw_spin_lock+0x131/0x280 [ 12.004657][ T186] ? __rwlock_init+0x150/0x150 [ 12.004664][ T186] ? do_raw_spin_lock+0x131/0x280 [ 12.004668][ T186] do_exit.cold+0x82/0x9c [ 12.004674][ T186] ? exit_notify+0x890/0x890 [ 12.004677][ T186] ? __lock_release.isra.0+0x69/0x1a0 [ 12.004681][ T186] ? rcu_is_watching+0x16/0xd0 [ 12.004689][ T186] do_group_exit+0xb8/0x370 [ 12.004696][ T186] __x64_sys_exit_group+0x3c/0x50 [ 12.004700][ T186] x64_sys_call+0x1567/0x1570 [ 12.004703][ T186] do_syscall_64+0xff/0x530 [ 12.004708][ T186] ? exc_page_fault+0xee/0x100 [ 12.004713][ T186] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.004717][ T186] RIP: 0033:0x7f84a12951b8 [ 12.004720][ T186] Code: Unable to access opcode bytes at 0x7f84a129518e. [ 12.004722][ T186] RSP: 002b:00007ffe271b5308 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.004725][ T186] RAX: ffffffffffffffda RBX: 00007f84a13c5f88 RCX: 00007f84a12951b8 [ 12.004727][ T186] RDX: 00007f84a0fdffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.004729][ T186] RBP: 00007ffe271b5360 R08: 0000000000000000 R09: 0000000000008010 [ 12.004731][ T186] R10: 00007ffe271b5120 R11: 0000000000000246 R12: 0000000000000001 [ 12.004732][ T186] R13: 0000000000000000 R14: 00007f84a13c4680 R15: 00007f84a13c5fa0 [ 12.004746][ T186] [ 12.179395][ T196] ip (196) used greatest stack depth: 23808 bytes left [ 13.543921][ T261] br1: port 1(veth1) entered blocking state [ 13.544009][ T261] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.544011][ T261] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 261, name: ip [ 13.544012][ T261] preempt_count: 1, expected: 0 [ 13.544013][ T261] RCU nest depth: 0, expected: 0 [ 13.544014][ T261] locks held by ip/261: 5, last CPU#2: [ 13.544017][ T261] #0: ffffffff910d2c40 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x9a8/0x11c0 [ 13.544030][ T261] #1: ffffffff90969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.544036][ T261] #2: ffffffff90969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.544040][ T261] #3: ffffffff90889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.544043][ T261] #4: ffffffff90889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 13.544047][ T261] irq event stamp: 14002 [ 13.544048][ T261] hardirqs last enabled at (14001): [] __down_trylock_console_sem+0x86/0xa0 [ 13.544051][ T261] hardirqs last disabled at (14002): [] console_emit_next_record+0x3d4/0x4c0 [ 13.544053][ T261] softirqs last enabled at (13912): [] __alloc_skb+0x4c2/0x5f0 [ 13.544056][ T261] softirqs last disabled at (13910): [] __alloc_skb+0x4c2/0x5f0 [ 13.544059][ T261] Preemption disabled at: [ 13.544059][ T261] [] vprintk_emit+0x31b/0x3e0 [ 13.544066][ T261] CPU: 2 UID: 0 PID: 261 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.544069][ T261] Tainted: [W]=WARN [ 13.544070][ T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.544072][ T261] Call Trace: [ 13.544074][ T261] [ 13.544075][ T261] dump_stack_lvl+0x6f/0xa0 [ 13.544081][ T261] ? vprintk_emit+0x31b/0x3e0 [ 13.544084][ T261] __might_resched.cold+0x1fe/0x2c1 [ 13.544088][ T261] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.544092][ T261] ? __kmalloc_noprof+0xdb/0x760 [ 13.544098][ T261] __kmalloc_noprof+0x443/0x760 [ 13.544100][ T261] ? alloc_buf.isra.0+0x4b/0x260 [ 13.544106][ T261] ? do_raw_spin_unlock+0x59/0x250 [ 13.544108][ T261] alloc_buf.isra.0+0x4b/0x260 [ 13.544111][ T261] put_chars+0x1e1/0x2f0 [ 13.544114][ T261] ? __send_to_port+0x420/0x420 [ 13.544119][ T261] ? validate_chain+0x34a/0xc20 [ 13.544122][ T261] hvc_console_print+0x292/0x780 [ 13.544125][ T261] ? mark_usage+0x61/0x170 [ 13.544127][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544129][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544133][ T261] ? hvc_write+0x3a0/0x3a0 [ 13.544135][ T261] ? console_emit_next_record+0x1df/0x4c0 [ 13.544138][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544142][ T261] ? lock_acquire+0x13c/0x160 [ 13.544146][ T261] console_emit_next_record+0x22f/0x4c0 [ 13.544150][ T261] ? devkmsg_read+0x4b0/0x4b0 [ 13.544152][ T261] ? console_flush_one_record+0x106/0x710 [ 13.544155][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544158][ T261] ? lock_acquire+0x13c/0x160 [ 13.544162][ T261] console_flush_one_record+0x46f/0x710 [ 13.544166][ T261] ? console_emit_next_record+0x4c0/0x4c0 [ 13.544168][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544173][ T261] console_unlock+0xee/0x1f0 [ 13.544176][ T261] ? console_flush_one_record+0x710/0x710 [ 13.544178][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544180][ T261] ? lock_acquire+0x60/0x160 [ 13.544184][ T261] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.544186][ T261] ? vprintk_emit+0x320/0x3e0 [ 13.544189][ T261] vprintk_emit+0x37c/0x3e0 [ 13.544193][ T261] ? wake_up_klogd_work_func+0x90/0x90 [ 13.544196][ T261] ? __lock_release.isra.0+0x69/0x1a0 [ 13.544198][ T261] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 13.544202][ T261] ? mark_held_locks+0x40/0x70 [ 13.544206][ T261] _printk+0xc7/0x100 [ 13.544209][ T261] ? snapshot_read.cold+0x21/0x21 [ 13.544213][ T261] ? br_multicast_flood+0xab0/0xab0 [bridge] [ 13.544226][ T261] ? do_setlink.isra.0+0xa31/0x2750 [ 13.544228][ T261] ? rtnl_newlink+0x9f1/0x11c0 [ 13.544229][ T261] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.544234][ T261] br_set_state+0x22f/0x430 [bridge] [ 13.544244][ T261] br_init_port+0xc4/0x200 [bridge] [ 13.544252][ T261] new_nbp+0x39c/0x580 [bridge] [ 13.544261][ T261] br_add_if+0x212/0x1320 [bridge] [ 13.544268][ T261] ? is_bpf_text_address+0x72/0x110 [ 13.544272][ T261] ? kernel_text_address+0x149/0x170 [ 13.544275][ T261] ? __kernel_text_address+0x12/0x30 [ 13.544279][ T261] do_set_master+0x357/0x580 [ 13.544284][ T261] do_setlink.isra.0+0xa31/0x2750 [ 13.544287][ T261] ? stack_trace_save+0x93/0xc0 [ 13.544291][ T261] ? rtnl_link_get_size+0x350/0x350 [ 13.544292][ T261] ? rcu_read_lock_any_held+0x66/0x90 [ 13.544295][ T261] ? stack_depot_save_flags+0x38e/0x790 [ 13.544298][ T261] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.544301][ T261] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.544303][ T261] ? validate_chain+0x38b/0xc20 [ 13.544306][ T261] ? kasan_save_stack+0x3d/0x50 [ 13.544309][ T261] ? kasan_save_stack+0x2f/0x50 [ 13.544310][ T261] ? kasan_save_track+0x14/0x30 [ 13.544313][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544315][ T261] ? netlink_seq_next+0x4e/0x60 [ 13.544318][ T261] ? ___sys_sendmsg+0xb0/0x1d0 [ 13.544323][ T261] ? lock_acquire.part.0+0xd4/0x280 [ 13.544325][ T261] ? rtnl_newlink+0x9a8/0x11c0 [ 13.544328][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544330][ T261] ? lock_acquire+0x13c/0x160 [ 13.544331][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544333][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544336][ T261] ? trace_contention_end+0xb3/0x180 [ 13.544340][ T261] ? __mutex_lock+0x1db/0x1ea0 [ 13.544341][ T261] ? __mutex_lock+0x9a3/0x1ea0 [ 13.544343][ T261] ? rtnl_newlink+0x9a8/0x11c0 [ 13.544347][ T261] ? ww_mutex_lock+0x160/0x160 [ 13.544348][ T261] ? nla_get_range_signed+0x3d0/0x3d0 [ 13.544354][ T261] ? __rtnl_newlink+0x3fa/0xa50 [ 13.544359][ T261] rtnl_newlink+0x9f1/0x11c0 [ 13.544364][ T261] ? rtnl_bridge_getlink+0x850/0x850 [ 13.544366][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544371][ T261] ? lock_acquire.part.0+0xd4/0x280 [ 13.544373][ T261] ? find_held_lock+0x2b/0x80 [ 13.544375][ T261] ? rtnl_bridge_getlink+0x850/0x850 [ 13.544377][ T261] ? __lock_release.isra.0+0x69/0x1a0 [ 13.544380][ T261] ? rtnl_bridge_getlink+0x850/0x850 [ 13.544382][ T261] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 13.544385][ T261] ? rtnl_link_fill+0x920/0x920 [ 13.544387][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544391][ T261] ? lock_acquire.part.0+0xd4/0x280 [ 13.544393][ T261] ? find_held_lock+0x2b/0x80 [ 13.544397][ T261] netlink_rcv_skb+0x14e/0x3a0 [ 13.544398][ T261] ? rtnl_link_fill+0x920/0x920 [ 13.544401][ T261] ? netlink_ack+0xcf0/0xcf0 [ 13.544408][ T261] ? netlink_deliver_tap+0xc5/0x330 [ 13.544409][ T261] ? netlink_deliver_tap+0x13c/0x330 [ 13.544413][ T261] netlink_unicast+0x486/0x750 [ 13.544417][ T261] ? netlink_attachskb+0x810/0x810 [ 13.544420][ T261] ? __lock_acquire+0x518/0xc20 [ 13.544424][ T261] netlink_sendmsg+0x735/0xc60 [ 13.544428][ T261] ? netlink_unicast+0x750/0x750 [ 13.544432][ T261] ? __might_fault+0x97/0x140 [ 13.544437][ T261] ____sys_sendmsg+0x415/0x880 [ 13.544440][ T261] ? copy_msghdr_from_user+0x279/0x420 [ 13.544442][ T261] ? get_timestamp.constprop.0+0x390/0x390 [ 13.544444][ T261] ? move_addr_to_kernel+0x40/0x40 [ 13.544451][ T261] ___sys_sendmsg+0x14e/0x1d0 [ 13.544454][ T261] ? copy_msghdr_from_user+0x420/0x420 [ 13.544470][ T261] __sys_sendmsg+0x12c/0x1d0 [ 13.544473][ T261] ? __sys_sendmsg_sock+0x20/0x20 [ 13.544480][ T261] ? rcu_is_watching+0x16/0xd0 [ 13.544484][ T261] do_syscall_64+0xff/0x530 [ 13.544486][ T261] ? exc_page_fault+0xee/0x100 [ 13.544489][ T261] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.544491][ T261] RIP: 0033:0x7f1c6f7a554e [ 13.544495][ T261] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 13.544497][ T261] RSP: 002b:00007ffc94dac860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.544499][ T261] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1c6f7a554e [ 13.544500][ T261] RDX: 0000000000000000 RSI: 00007ffc94dac910 RDI: 0000000000000005 [ 13.544501][ T261] RBP: 00007ffc94dac870 R08: 0000000000000000 R09: 0000000000000000 [ 13.544502][ T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5a7 [ 13.544503][ T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc94dacfd0 [ 13.544510][ T261] [ 13.598237][ T261] br1: port 1(veth1) entered disabled state [ 13.598721][ T261] veth1: entered allmulticast mode [ 13.600965][ T261] veth1: entered promiscuous mode [ 13.612421][ T261] ip (261) used greatest stack depth: 23336 bytes left [ 13.702023][ T39] br1: port 1(veth1) entered blocking state [ 13.702632][ T39] br1: port 1(veth1) entered forwarding state [ 13.755385][ T274] br1: port 2(veth2) entered blocking state [ 13.756023][ T274] br1: port 2(veth2) entered disabled state [ 13.756380][ T274] veth2: entered allmulticast mode [ 13.757983][ T274] veth2: entered promiscuous mode [ 13.865064][ T38] br1: port 2(veth2) entered blocking state [ 13.865446][ T38] br1: port 2(veth2) entered forwarding state [ 29.048747][ C2] [ 29.048761][ C2] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.048763][ C2] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/2 [ 29.048765][ C2] preempt_count: 104, expected: 0 [ 29.048766][ C2] RCU nest depth: 0, expected: 0 [ 29.048767][ C2] INFO: lockdep is turned off. [ 29.048767][ C2] irq event stamp: 1052332 [ 29.048768][ C2] hardirqs last enabled at (1052332): [] _raw_spin_unlock_irq+0x28/0x50 [ 29.048778][ C2] hardirqs last disabled at (1052331): [] _raw_spin_lock_irq+0x4a/0x50 [ 29.048779][ C2] softirqs last enabled at (1052304): [] handle_softirqs+0x67c/0x900 [ 29.048783][ C2] softirqs last disabled at (1052329): [] __irq_exit_rcu+0x145/0x1c0 [ 29.048785][ C2] Preemption disabled at: [ 29.048786][ C2] [<0000000000000000>] 0x0 [ 29.048793][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.048796][ C2] Tainted: [W]=WARN [ 29.048797][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.048799][ C2] Call Trace: [ 29.048800][ C2] [ 29.048802][ C2] dump_stack_lvl+0x6f/0xa0 [ 29.048808][ C2] __might_resched.cold+0x1fe/0x2c1 [ 29.048812][ C2] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.048815][ C2] ? __asan_memcpy+0x3c/0x60 [ 29.048818][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048822][ C2] __kmalloc_noprof+0x443/0x760 [ 29.048825][ C2] ? __rwlock_init+0x150/0x150 [ 29.048828][ C2] ? alloc_buf.isra.0+0x4b/0x260 [ 29.048831][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 29.048833][ C2] alloc_buf.isra.0+0x4b/0x260 [ 29.048835][ C2] put_chars+0x1e1/0x2f0 [ 29.048837][ C2] ? __send_to_port+0x420/0x420 [ 29.048839][ C2] ? console_prepend_replay+0x20/0x20 [ 29.048842][ C2] hvc_console_print+0x292/0x780 [ 29.048845][ C2] ? hvc_write+0x3a0/0x3a0 [ 29.048847][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048849][ C2] ? lock_acquire+0x13c/0x160 [ 29.048851][ C2] console_emit_next_record+0x22f/0x4c0 [ 29.048854][ C2] ? devkmsg_read+0x4b0/0x4b0 [ 29.048856][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048857][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048859][ C2] ? lock_acquire+0x13c/0x160 [ 29.048861][ C2] ? console_flush_one_record+0x111/0x710 [ 29.048863][ C2] console_flush_one_record+0x46f/0x710 [ 29.048865][ C2] ? console_emit_next_record+0x4c0/0x4c0 [ 29.048868][ C2] console_unlock+0xee/0x1f0 [ 29.048870][ C2] ? lock_acquire+0x13c/0x160 [ 29.048871][ C2] ? console_flush_one_record+0x710/0x710 [ 29.048873][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048875][ C2] ? lock_release+0x184/0x1f0 [ 29.048876][ C2] ? lock_acquire+0x60/0x160 [ 29.048878][ C2] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.048880][ C2] ? vprintk_emit+0x320/0x3e0 [ 29.048883][ C2] vprintk_emit+0x37c/0x3e0 [ 29.048885][ C2] ? wake_up_klogd_work_func+0x90/0x90 [ 29.048887][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.048899][ C2] ? lock_release+0x184/0x1f0 [ 29.048901][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.048907][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.048913][ C2] ? is_module_text_address+0x154/0x250 [ 29.048917][ C2] _printk+0xc7/0x100 [ 29.048920][ C2] ? snapshot_read.cold+0x21/0x21 [ 29.048922][ C2] ? arch_stack_walk+0xd7/0x130 [ 29.048926][ C2] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.048929][ C2] ? nbcon_cpu_emergency_enter+0x28/0x80 [ 29.048930][ C2] print_irq_inversion_bug.part.0+0x32/0xc0 [ 29.048933][ C2] mark_lock_irq+0x989/0x9c0 [ 29.048936][ C2] mark_lock+0x1d7/0xa00 [ 29.048938][ C2] mark_usage+0x42/0x170 [ 29.048940][ C2] __lock_acquire+0x388/0xc20 [ 29.048942][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.048944][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.048950][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048952][ C2] ? lock_acquire+0x13c/0x160 [ 29.048954][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 29.048960][ C2] _raw_spin_lock+0x33/0x40 [ 29.048962][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.048968][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.048975][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 29.048981][ C2] call_timer_fn+0x160/0x4d0 [ 29.048984][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 29.048986][ C2] ? debug_object_active_state+0x430/0x430 [ 29.048990][ C2] ? find_held_lock+0x2b/0x80 [ 29.048991][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 29.048993][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.048996][ C2] __run_timers+0x68f/0xaa0 [ 29.048997][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 29.049004][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 29.049006][ C2] ? __lock_acquire+0x518/0xc20 [ 29.049009][ C2] ? __rwlock_init+0x150/0x150 [ 29.049011][ C2] run_timer_softirq+0xf0/0x160 [ 29.049014][ C2] ? __run_timers+0xaa0/0xaa0 [ 29.049015][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.049018][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.049019][ C2] handle_softirqs+0x1d3/0x900 [ 29.049021][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 29.049023][ C2] ? _local_bh_enable+0xc0/0xc0 [ 29.049025][ C2] __irq_exit_rcu+0x145/0x1c0 [ 29.049027][ C2] irq_exit_rcu+0xe/0x30 [ 29.049028][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 29.049031][ C2] [ 29.049032][ C2] [ 29.049032][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 29.049035][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 29.049037][ C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 29.049039][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 29.049042][ C2] RAX: 0000000000100ea7 RBX: ff11000001bec6c0 RCX: ffffffff8d6f0307 [ 29.049044][ C2] RDX: ff11000001bec6c0 RSI: ffffffff90438b1c RDI: ffffffff8fe8d8e0 [ 29.049045][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.049046][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 29.049046][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 29.049048][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 29.049051][ C2] default_idle+0x9/0x10 [ 29.049053][ C2] default_idle_call+0x6e/0xb0 [ 29.049055][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 29.049057][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 29.049059][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 29.049061][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.049063][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.049065][ C2] do_idle+0xd8/0x190 [ 29.049066][ C2] cpu_startup_entry+0x53/0x70 [ 29.049068][ C2] start_secondary+0x204/0x2b0 [ 29.049070][ C2] ? set_cpu_sibling_map+0x2130/0x2130 [ 29.049072][ C2] common_startup_64+0x13e/0x148 [ 29.049076][ C2] [ 29.069887][ C2] ======================================================== [ 29.070141][ C2] WARNING: possible irq lock inversion dependency detected [ 29.070389][ C2] 7.2.0-virtme #1 Tainted: G W [ 29.070561][ C2] -------------------------------------------------------- [ 29.070814][ C2] swapper/2/0 just changed the state of lock: [ 29.071034][ C2] ff1100000c61ae58 (&br->lock){+.-.}-{3:3}, at: br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.071373][ C2] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 29.071914][ C2] (fs_reclaim){+.+.}-{0:0} [ 29.071917][ C2] [ 29.071917][ C2] [ 29.071917][ C2] and interrupts could create inverse lock ordering between them. [ 29.071917][ C2] [ 29.072476][ C2] [ 29.072476][ C2] other info that might help us debug this: [ 29.072737][ C2] Chain exists of: [ 29.072737][ C2] &br->lock --> console_owner --> fs_reclaim [ 29.072737][ C2] [ 29.073095][ C2] Possible interrupt unsafe locking scenario: [ 29.073095][ C2] [ 29.073349][ C2] CPU0 CPU1 [ 29.073535][ C2] ---- ---- [ 29.073676][ C2] lock(fs_reclaim); [ 29.073789][ C2] local_irq_disable(); [ 29.074009][ C2] lock(&br->lock); [ 29.074229][ C2] lock(console_owner); [ 29.074477][ C2] [ 29.074656][ C2] lock(&br->lock); [ 29.074797][ C2] [ 29.074797][ C2] *** DEADLOCK *** [ 29.074797][ C2] [ 29.075092][ C2] locks held by swapper/2/0: 1, last CPU#2: [ 29.075303][ C2] #0: ffa0000000228c90 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 29.075697][ C2] [ 29.075697][ C2] the shortest dependencies between 2nd lock and 1st lock: [ 29.075988][ C2] -> (fs_reclaim){+.+.}-{0:0} { [ 29.076212][ C2] HARDIRQ-ON-W at: [ 29.076352][ C2] __lock_acquire+0x388/0xc20 [ 29.076617][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.076837][ C2] fs_reclaim_acquire+0xd5/0x120 [ 29.077096][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 29.077399][ C2] kthread_create_worker_on_node+0xea/0x210 [ 29.077707][ C2] workqueue_init+0x2a/0x680 [ 29.077923][ C2] kernel_init_freeable+0x2fe/0x630 [ 29.078221][ C2] kernel_init+0x21/0x150 [ 29.078482][ C2] ret_from_fork+0x474/0x6b0 [ 29.078731][ C2] ret_from_fork_asm+0x11/0x20 [ 29.079111][ C2] SOFTIRQ-ON-W at: [ 29.079288][ C2] __lock_acquire+0x388/0xc20 [ 29.079708][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.079979][ C2] fs_reclaim_acquire+0xd5/0x120 [ 29.080233][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 29.080537][ C2] kthread_create_worker_on_node+0xea/0x210 [ 29.080846][ C2] workqueue_init+0x2a/0x680 [ 29.081053][ C2] kernel_init_freeable+0x2fe/0x630 [ 29.081317][ C2] kernel_init+0x21/0x150 [ 29.081546][ C2] ret_from_fork+0x474/0x6b0 [ 29.081746][ C2] ret_from_fork_asm+0x11/0x20 [ 29.081973][ C2] INITIAL USE at: [ 29.082083][ C2] __lock_acquire+0x388/0xc20 [ 29.082312][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.082491][ C2] fs_reclaim_acquire+0xd5/0x120 [ 29.082740][ C2] __kmalloc_cache_noprof+0x6e/0x620 [ 29.083009][ C2] kthread_create_worker_on_node+0xea/0x210 [ 29.083272][ C2] workqueue_init+0x2a/0x680 [ 29.083456][ C2] kernel_init_freeable+0x2fe/0x630 [ 29.083683][ C2] kernel_init+0x21/0x150 [ 29.083871][ C2] ret_from_fork+0x474/0x6b0 [ 29.084103][ C2] ret_from_fork_asm+0x11/0x20 [ 29.084328][ C2] } [ 29.084403][ C2] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 29.084663][ C2] ... acquired at: [ 29.084784][ C2] __lock_acquire+0x518/0xc20 [ 29.084977][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.085121][ C2] fs_reclaim_acquire+0xd5/0x120 [ 29.085309][ C2] __kmalloc_noprof+0xd3/0x760 [ 29.085492][ C2] alloc_buf.isra.0+0x4b/0x260 [ 29.085684][ C2] put_chars+0x1e1/0x2f0 [ 29.085834][ C2] hvc_console_print+0x292/0x780 [ 29.086023][ C2] console_emit_next_record+0x22f/0x4c0 [ 29.086169][ C2] console_flush_one_record+0x46f/0x710 [ 29.086373][ C2] console_unlock+0xee/0x1f0 [ 29.086559][ C2] vprintk_emit+0x37c/0x3e0 [ 29.086710][ C2] _printk+0xc7/0x100 [ 29.086829][ C2] dm_interface_init+0x50/0x60 [ 29.086987][ C2] dm_init+0x51/0xd0 [ 29.087141][ C2] do_one_initcall+0x124/0x4f0 [ 29.087312][ C2] kernel_init_freeable+0x596/0x630 [ 29.087578][ C2] kernel_init+0x21/0x150 [ 29.087771][ C2] ret_from_fork+0x474/0x6b0 [ 29.088011][ C2] ret_from_fork_asm+0x11/0x20 [ 29.088174][ C2] [ 29.088310][ C2] -> (console_owner){....}-{0:0} { [ 29.088471][ C2] INITIAL USE at: [ 29.088592][ C2] } [ 29.088725][ C2] ... key at: [] console_owner_dep_map+0x0/0x60 [ 29.088972][ C2] ... acquired at: [ 29.089132][ C2] __lock_acquire+0x518/0xc20 [ 29.089283][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.089494][ C2] console_lock_spinning_enable+0x5c/0x60 [ 29.089711][ C2] console_emit_next_record+0x1d1/0x4c0 [ 29.089874][ C2] console_flush_one_record+0x46f/0x710 [ 29.090029][ C2] console_unlock+0xee/0x1f0 [ 29.090240][ C2] vprintk_emit+0x37c/0x3e0 [ 29.090396][ C2] _printk+0xc7/0x100 [ 29.090552][ C2] br_set_state+0x22f/0x430 [bridge] [ 29.090745][ C2] br_init_port+0xc4/0x200 [bridge] [ 29.090950][ C2] br_stp_enable_port+0x12/0x50 [bridge] [ 29.091443][ C2] br_port_carrier_check+0x220/0x430 [bridge] [ 29.091716][ C2] br_device_event+0x52d/0x8f0 [bridge] [ 29.091938][ C2] notifier_call_chain+0xae/0x300 [ 29.092105][ C2] netif_state_change+0x139/0x340 [ 29.092316][ C2] __linkwatch_run_queue+0x34c/0x750 [ 29.092486][ C2] linkwatch_event+0x7f/0xb0 [ 29.092701][ C2] process_one_work+0xe3e/0x1560 [ 29.092883][ C2] worker_thread+0x4f1/0xd60 [ 29.093152][ C2] kthread+0x367/0x460 [ 29.093273][ C2] ret_from_fork+0x474/0x6b0 [ 29.093418][ C2] ret_from_fork_asm+0x11/0x20 [ 29.093623][ C2] [ 29.093697][ C2] -> (&br->lock){+.-.}-{3:3} { [ 29.093906][ C2] HARDIRQ-ON-W at: [ 29.094015][ C2] __lock_acquire+0x388/0xc20 [ 29.094351][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.094532][ C2] _raw_spin_lock_bh+0x38/0x50 [ 29.094771][ C2] br_set_ageing_time+0x2d/0xf0 [bridge] [ 29.095041][ C2] br_changelink+0x240/0x16e0 [bridge] [ 29.095227][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 29.095459][ C2] rtnl_newlink_create+0x2d0/0x750 [ 29.095686][ C2] __rtnl_newlink+0x22b/0xa50 [ 29.095877][ C2] rtnl_newlink+0x9f1/0x11c0 [ 29.096103][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.096282][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 29.096510][ C2] netlink_unicast+0x486/0x750 [ 29.096742][ C2] netlink_sendmsg+0x735/0xc60 [ 29.096922][ C2] ____sys_sendmsg+0x415/0x880 [ 29.097153][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 29.097382][ C2] __sys_sendmsg+0x12c/0x1d0 [ 29.097562][ C2] do_syscall_64+0xff/0x530 [ 29.097792][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.098056][ C2] IN-SOFTIRQ-W at: [ 29.098165][ C2] __lock_acquire+0x388/0xc20 [ 29.098392][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.098574][ C2] _raw_spin_lock+0x33/0x40 [ 29.098807][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.099076][ C2] call_timer_fn+0x160/0x4d0 [ 29.099256][ C2] __run_timers+0x68f/0xaa0 [ 29.099480][ C2] run_timer_softirq+0xf0/0x160 [ 29.099661][ C2] handle_softirqs+0x1d3/0x900 [ 29.099894][ C2] __irq_exit_rcu+0x145/0x1c0 [ 29.100120][ C2] irq_exit_rcu+0xe/0x30 [ 29.100303][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 29.100569][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 29.100793][ C2] pv_native_safe_halt+0xf/0x10 [ 29.100975][ C2] default_idle+0x9/0x10 [ 29.101202][ C2] default_idle_call+0x6e/0xb0 [ 29.101429][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 29.101673][ C2] do_idle+0xd8/0x190 [ 29.101822][ C2] cpu_startup_entry+0x53/0x70 [ 29.102052][ C2] start_secondary+0x204/0x2b0 [ 29.102230][ C2] common_startup_64+0x13e/0x148 [ 29.106451][ C2] INITIAL USE at: [ 29.106559][ C2] __lock_acquire+0x388/0xc20 [ 29.106794][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.107002][ C2] _raw_spin_lock_bh+0x38/0x50 [ 29.107239][ C2] br_set_ageing_time+0x2d/0xf0 [bridge] [ 29.107513][ C2] br_changelink+0x240/0x16e0 [bridge] [ 29.107709][ C2] br_dev_newlink+0xeb/0x160 [bridge] [ 29.107901][ C2] rtnl_newlink_create+0x2d0/0x750 [ 29.108132][ C2] __rtnl_newlink+0x22b/0xa50 [ 29.108312][ C2] rtnl_newlink+0x9f1/0x11c0 [ 29.108543][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 29.108730][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 29.108911][ C2] netlink_unicast+0x486/0x750 [ 29.109142][ C2] netlink_sendmsg+0x735/0xc60 [ 29.109383][ C2] ____sys_sendmsg+0x415/0x880 [ 29.109746][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 29.110096][ C2] __sys_sendmsg+0x12c/0x1d0 [ 29.110367][ C2] do_syscall_64+0xff/0x530 [ 29.110755][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.111155][ C2] } [ 29.111231][ C2] ... key at: [] __key.7+0x0/0x40 [bridge] [ 29.111497][ C2] ... acquired at: [ 29.111605][ C2] mark_lock+0x1d7/0xa00 [ 29.111809][ C2] mark_usage+0x42/0x170 [ 29.111953][ C2] __lock_acquire+0x388/0xc20 [ 29.112143][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.112287][ C2] _raw_spin_lock+0x33/0x40 [ 29.112481][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.112667][ C2] call_timer_fn+0x160/0x4d0 [ 29.112861][ C2] __run_timers+0x68f/0xaa0 [ 29.113004][ C2] run_timer_softirq+0xf0/0x160 [ 29.113191][ C2] handle_softirqs+0x1d3/0x900 [ 29.113338][ C2] __irq_exit_rcu+0x145/0x1c0 [ 29.113530][ C2] irq_exit_rcu+0xe/0x30 [ 29.113672][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 29.113909][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 29.114089][ C2] pv_native_safe_halt+0xf/0x10 [ 29.114276][ C2] default_idle+0x9/0x10 [ 29.114422][ C2] default_idle_call+0x6e/0xb0 [ 29.114611][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 29.114842][ C2] do_idle+0xd8/0x190 [ 29.114949][ C2] cpu_startup_entry+0x53/0x70 [ 29.115094][ C2] start_secondary+0x204/0x2b0 [ 29.115285][ C2] common_startup_64+0x13e/0x148 [ 29.115429][ C2] [ 29.115549][ C2] [ 29.115549][ C2] stack backtrace: [ 29.115766][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.115770][ C2] Tainted: [W]=WARN [ 29.115771][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.115773][ C2] Call Trace: [ 29.115774][ C2] [ 29.115776][ C2] dump_stack_lvl+0x6f/0xa0 [ 29.115780][ C2] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 29.115783][ C2] mark_lock_irq+0x989/0x9c0 [ 29.115786][ C2] mark_lock+0x1d7/0xa00 [ 29.115787][ C2] mark_usage+0x42/0x170 [ 29.115789][ C2] __lock_acquire+0x388/0xc20 [ 29.115791][ C2] lock_acquire.part.0+0xd4/0x280 [ 29.115793][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.115801][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.115804][ C2] ? lock_acquire+0x13c/0x160 [ 29.115806][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 29.115813][ C2] _raw_spin_lock+0x33/0x40 [ 29.115814][ C2] ? br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.115821][ C2] br_forward_delay_timer_expired+0x44/0x5d0 [bridge] [ 29.115829][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 29.115835][ C2] call_timer_fn+0x160/0x4d0 [ 29.115837][ C2] ? detach_if_pending+0x1d0/0x1d0 [ 29.115839][ C2] ? debug_object_active_state+0x430/0x430 [ 29.115844][ C2] ? find_held_lock+0x2b/0x80 [ 29.115845][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 29.115847][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.115850][ C2] __run_timers+0x68f/0xaa0 [ 29.115851][ C2] ? br_message_age_timer_expired+0x70/0x70 [bridge] [ 29.115858][ C2] ? __bpf_trace_itimer_expire+0x10/0x10 [ 29.115860][ C2] ? __lock_acquire+0x518/0xc20 [ 29.115863][ C2] ? __rwlock_init+0x150/0x150 [ 29.115866][ C2] run_timer_softirq+0xf0/0x160 [ 29.115867][ C2] ? __run_timers+0xaa0/0xaa0 [ 29.115869][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.115872][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.115873][ C2] handle_softirqs+0x1d3/0x900 [ 29.115875][ C2] ? __lock_release.isra.0+0x69/0x1a0 [ 29.115877][ C2] ? _local_bh_enable+0xc0/0xc0 [ 29.115879][ C2] __irq_exit_rcu+0x145/0x1c0 [ 29.115880][ C2] irq_exit_rcu+0xe/0x30 [ 29.115882][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 29.115884][ C2] [ 29.115884][ C2] [ 29.115885][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 29.115887][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 29.115889][ C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 29.115891][ C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282 [ 29.115894][ C2] RAX: 0000000000100ea7 RBX: ff11000001bec6c0 RCX: ffffffff8d6f0307 [ 29.115895][ C2] RDX: ff11000001bec6c0 RSI: ffffffff90438b1c RDI: ffffffff8fe8d8e0 [ 29.115896][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.115897][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3 [ 29.115897][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 29.115899][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 29.115901][ C2] default_idle+0x9/0x10 [ 29.115903][ C2] default_idle_call+0x6e/0xb0 [ 29.115905][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 29.115906][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 29.115908][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 29.115910][ C2] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 29.115911][ C2] ? rcu_is_watching+0x16/0xd0 [ 29.115913][ C2] do_idle+0xd8/0x190 [ 29.115914][ C2] cpu_startup_entry+0x53/0x70 [ 29.115916][ C2] start_secondary+0x204/0x2b0 [ 29.115917][ C2] ? set_cpu_sibling_map+0x2130/0x2130 [ 29.115919][ C2] common_startup_64+0x13e/0x148 [ 29.115923][ C2] [ 31.746013][ T716] br1: port 2(veth2) entered disabled state [ 31.746031][ T716] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.746034][ T716] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 716, name: ip [ 31.746035][ T716] preempt_count: 202, expected: 0 [ 31.746036][ T716] RCU nest depth: 0, expected: 0 [ 31.746037][ T716] INFO: lockdep is turned off. [ 31.746038][ T716] irq event stamp: 0 [ 31.746039][ T716] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.746045][ T716] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 31.746051][ T716] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 31.746053][ T716] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.746054][ T716] Preemption disabled at: [ 31.746055][ T716] [<0000000000000000>] 0x0 [ 31.746060][ T716] CPU: 0 UID: 0 PID: 716 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.746063][ T716] Tainted: [W]=WARN [ 31.746064][ T716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.746066][ T716] Call Trace: [ 31.746067][ T716] [ 31.746069][ T716] dump_stack_lvl+0x6f/0xa0 [ 31.746074][ T716] __might_resched.cold+0x1fe/0x2c1 [ 31.746079][ T716] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.746082][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746087][ T716] __kmalloc_noprof+0x443/0x760 [ 31.746090][ T716] ? __rwlock_init+0x150/0x150 [ 31.746093][ T716] ? alloc_buf.isra.0+0x4b/0x260 [ 31.746097][ T716] ? do_raw_spin_unlock+0x59/0x250 [ 31.746099][ T716] alloc_buf.isra.0+0x4b/0x260 [ 31.746101][ T716] put_chars+0x1e1/0x2f0 [ 31.746103][ T716] ? __send_to_port+0x420/0x420 [ 31.746105][ T716] ? printk_get_next_message+0x240/0x650 [ 31.746109][ T716] hvc_console_print+0x292/0x780 [ 31.746112][ T716] ? hvc_write+0x3a0/0x3a0 [ 31.746114][ T716] ? __rwlock_init+0x150/0x150 [ 31.746116][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746118][ T716] ? lock_acquire+0x13c/0x160 [ 31.746120][ T716] console_emit_next_record+0x22f/0x4c0 [ 31.746122][ T716] ? devkmsg_read+0x4b0/0x4b0 [ 31.746124][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746126][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746128][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746129][ T716] ? lock_acquire+0x13c/0x160 [ 31.746131][ T716] ? console_flush_one_record+0x111/0x710 [ 31.746133][ T716] console_flush_one_record+0x46f/0x710 [ 31.746135][ T716] ? console_emit_next_record+0x4c0/0x4c0 [ 31.746138][ T716] console_unlock+0xee/0x1f0 [ 31.746139][ T716] ? lock_acquire+0x13c/0x160 [ 31.746141][ T716] ? console_flush_one_record+0x710/0x710 [ 31.746143][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746144][ T716] ? lock_release+0x184/0x1f0 [ 31.746146][ T716] ? lock_acquire+0x60/0x160 [ 31.746147][ T716] ? __rcu_read_lock+0x30/0x70 [ 31.746149][ T716] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.746151][ T716] ? vprintk_emit+0x320/0x3e0 [ 31.746153][ T716] vprintk_emit+0x37c/0x3e0 [ 31.746156][ T716] ? wake_up_klogd_work_func+0x90/0x90 [ 31.746157][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746159][ T716] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.746162][ T716] ? trace_hardirqs_on+0x36/0x40 [ 31.746163][ T716] _printk+0xc7/0x100 [ 31.746167][ T716] ? snapshot_read.cold+0x21/0x21 [ 31.746169][ T716] ? ipv6_mc_down+0x17e/0x2d0 [ 31.746174][ T716] br_set_state+0x22f/0x430 [bridge] [ 31.746187][ T716] br_stp_disable_port+0x11f/0x390 [bridge] [ 31.746195][ T716] br_device_event+0x7b5/0x8f0 [bridge] [ 31.746204][ T716] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 31.746208][ T716] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 31.746210][ T716] ? addrconf_notify+0x2c8/0xf30 [ 31.746213][ T716] notifier_call_chain+0xae/0x300 [ 31.746216][ T716] __dev_notify_flags+0x23c/0x3c0 [ 31.746220][ T716] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 31.746222][ T716] ? netif_change_name+0x8c0/0x8c0 [ 31.746224][ T716] ? netif_set_allmulti+0x250/0x250 [ 31.746226][ T716] ? __kernel_text_address+0x12/0x30 [ 31.746228][ T716] ? write_profile+0xf0/0xf0 [ 31.746230][ T716] ? unwind_get_return_address+0x67/0xd0 [ 31.746233][ T716] netif_change_flags+0xfe/0x190 [ 31.746235][ T716] do_setlink.isra.0+0x1cc3/0x2750 [ 31.746238][ T716] ? stack_trace_save+0x93/0xc0 [ 31.746240][ T716] ? rtnl_link_get_size+0x350/0x350 [ 31.746241][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746243][ T716] ? stack_depot_save_flags+0x1bc/0x790 [ 31.746247][ T716] ? kasan_save_stack+0x3d/0x50 [ 31.746250][ T716] ? kasan_save_stack+0x2f/0x50 [ 31.746251][ T716] ? kasan_save_track+0x14/0x30 [ 31.746253][ T716] ? __kasan_kmalloc+0x7b/0x90 [ 31.746254][ T716] ? __kmalloc_cache_noprof+0x29a/0x620 [ 31.746255][ T716] ? rtnl_newlink+0x124/0x11c0 [ 31.746257][ T716] ? rtnetlink_rcv_msg+0x6fd/0xbd0 [ 31.746258][ T716] ? netlink_rcv_skb+0x14e/0x3a0 [ 31.746260][ T716] ? netlink_unicast+0x486/0x750 [ 31.746262][ T716] ? netlink_sendmsg+0x735/0xc60 [ 31.746263][ T716] ? ____sys_sendmsg+0x415/0x880 [ 31.746266][ T716] ? ___sys_sendmsg+0x14e/0x1d0 [ 31.746267][ T716] ? __sys_sendmsg+0x12c/0x1d0 [ 31.746269][ T716] ? do_syscall_64+0xff/0x530 [ 31.746271][ T716] ? entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.746273][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746275][ T716] ? lock_acquire+0x13c/0x160 [ 31.746277][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746278][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746280][ T716] ? trace_contention_end+0xb3/0x180 [ 31.746283][ T716] ? __mutex_lock+0x1db/0x1ea0 [ 31.746285][ T716] ? __mutex_lock+0x9a3/0x1ea0 [ 31.746286][ T716] ? rtnl_newlink+0x9a8/0x11c0 [ 31.746288][ T716] ? ww_mutex_lock+0x160/0x160 [ 31.746290][ T716] ? __rtnl_newlink+0x3fa/0xa50 [ 31.746292][ T716] rtnl_newlink+0x9f1/0x11c0 [ 31.746294][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746296][ T716] ? rtnl_bridge_getlink+0x850/0x850 [ 31.746297][ T716] ? lock_acquire+0x13c/0x160 [ 31.746298][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746300][ T716] ? is_bpf_text_address+0x3e/0x110 [ 31.746303][ T716] ? is_bpf_text_address+0x72/0x110 [ 31.746305][ T716] ? kernel_text_address+0x149/0x170 [ 31.746307][ T716] ? __kernel_text_address+0x12/0x30 [ 31.746308][ T716] ? write_profile+0xf0/0xf0 [ 31.746309][ T716] ? unwind_get_return_address+0x67/0xd0 [ 31.746310][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746312][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746314][ T716] ? cap_capable+0x1d7/0x3d0 [ 31.746317][ T716] ? lock_acquire+0x13c/0x160 [ 31.746319][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746321][ T716] ? rtnl_bridge_getlink+0x850/0x850 [ 31.746322][ T716] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 31.746324][ T716] ? rtnl_link_fill+0x920/0x920 [ 31.746325][ T716] ? filter_irq_stacks+0xd0/0xd0 [ 31.746326][ T716] ? stack_depot_save_flags+0x1bc/0x790 [ 31.746329][ T716] netlink_rcv_skb+0x14e/0x3a0 [ 31.746330][ T716] ? rtnl_link_fill+0x920/0x920 [ 31.746332][ T716] ? lock_release+0x184/0x1f0 [ 31.746333][ T716] ? netlink_ack+0xcf0/0xcf0 [ 31.746335][ T716] ? __netlink_lookup+0xb9/0x6b0 [ 31.746337][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746339][ T716] ? lock_release+0x184/0x1f0 [ 31.746341][ T716] netlink_unicast+0x486/0x750 [ 31.746343][ T716] ? netlink_attachskb+0x810/0x810 [ 31.746344][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746346][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746348][ T716] ? lock_acquire+0x13c/0x160 [ 31.746349][ T716] netlink_sendmsg+0x735/0xc60 [ 31.746351][ T716] ? netlink_unicast+0x750/0x750 [ 31.746353][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746355][ T716] ? lock_release+0x184/0x1f0 [ 31.746357][ T716] ____sys_sendmsg+0x415/0x880 [ 31.746358][ T716] ? copy_msghdr_from_user+0x279/0x420 [ 31.746360][ T716] ? get_timestamp.constprop.0+0x390/0x390 [ 31.746361][ T716] ? move_addr_to_kernel+0x40/0x40 [ 31.746363][ T716] ? filter_irq_stacks+0xd0/0xd0 [ 31.746365][ T716] ___sys_sendmsg+0x14e/0x1d0 [ 31.746367][ T716] ? copy_msghdr_from_user+0x420/0x420 [ 31.746372][ T716] __sys_sendmsg+0x12c/0x1d0 [ 31.746374][ T716] ? __sys_sendmsg_sock+0x20/0x20 [ 31.746377][ T716] ? rcu_is_watching+0x16/0xd0 [ 31.746379][ T716] do_syscall_64+0xff/0x530 [ 31.746380][ T716] ? exc_page_fault+0xee/0x100 [ 31.746382][ T716] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.746384][ T716] RIP: 0033:0x7f714015d54e [ 31.746386][ T716] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 31.746388][ T716] RSP: 002b:00007ffcf55f8650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.746391][ T716] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f714015d54e [ 31.746392][ T716] RDX: 0000000000000000 RSI: 00007ffcf55f8700 RDI: 0000000000000005 [ 31.746393][ T716] RBP: 00007ffcf55f8660 R08: 0000000000000000 R09: 0000000000000000 [ 31.746394][ T716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e5ba [ 31.746395][ T716] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf55f8dc0 [ 31.746397][ T716] [ 31.781318][ T716] ip (716) used greatest stack depth: 23016 bytes left [ 31.800756][ T718] veth2: left allmulticast mode [ 31.801018][ T718] veth2: left promiscuous mode [ 31.801347][ T718] br1: port 2(veth2) entered disabled state [ 31.835159][ T720] br1: port 1(veth1) entered disabled state [ 31.860755][ T722] veth1: left allmulticast mode [ 31.861030][ T722] veth1: left promiscuous mode [ 31.861367][ T722] br1: port 1(veth1) entered disabled state