[ 10.524552][ T184] netdevsim netdevsim20091 eni20091np1: renamed from eth0 [ 10.524613][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.524615][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: (udev-worker) [ 10.524617][ T184] preempt_count: 1, expected: 0 [ 10.524618][ T184] RCU nest depth: 0, expected: 0 [ 10.524619][ T184] locks held by (udev-worker)/184: 6, last CPU#1: [ 10.524621][ T184] #0: ffffffffae105fc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 10.524633][ T184] #1: ff11000002402de8 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 10.524638][ T184] #2: ffffffffad999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.524643][ T184] #3: ffffffffad999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.524647][ T184] #4: ffffffffad889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.524651][ T184] #5: ffffffffad889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.524655][ T184] irq event stamp: 251778 [ 10.524656][ T184] hardirqs last enabled at (251777): [] __down_trylock_console_sem+0x86/0xa0 [ 10.524659][ T184] hardirqs last disabled at (251778): [] console_emit_next_record+0x3f8/0x4f0 [ 10.524661][ T184] softirqs last enabled at (251772): [] netif_change_name+0x216/0x8c0 [ 10.524665][ T184] softirqs last disabled at (251770): [] netif_change_name+0x1ad/0x8c0 [ 10.524667][ T184] Preemption disabled at: [ 10.524668][ T184] [] vprintk_emit+0x31b/0x3e0 [ 10.524673][ T184] CPU: 1 UID: 0 PID: 184 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.524676][ T184] Tainted: [W]=WARN [ 10.524677][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.524679][ T184] Call Trace: [ 10.524680][ T184] [ 10.524682][ T184] dump_stack_lvl+0x6f/0xa0 [ 10.524688][ T184] ? vprintk_emit+0x31b/0x3e0 [ 10.524690][ T184] __might_resched.cold+0x1fe/0x2c1 [ 10.524694][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.524699][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 10.524705][ T184] __kmalloc_noprof+0x443/0x760 [ 10.524708][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 10.524714][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 10.524717][ T184] alloc_buf.isra.0+0x4b/0x260 [ 10.524721][ T184] put_chars+0x1e1/0x2f0 [ 10.524724][ T184] ? __send_to_port+0x420/0x420 [ 10.524728][ T184] ? validate_chain+0x34a/0xc20 [ 10.524733][ T184] hvc_console_print+0x292/0x780 [ 10.524736][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524741][ T184] ? hvc_write+0x3a0/0x3a0 [ 10.524744][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.524751][ T184] console_emit_next_record+0x252/0x4f0 [ 10.524754][ T184] ? devkmsg_read+0x4e0/0x4e0 [ 10.524759][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.524761][ T184] ? lock_acquire+0x13c/0x160 [ 10.524765][ T184] console_flush_one_record+0x46f/0x710 [ 10.524770][ T184] ? console_emit_next_record+0x4f0/0x4f0 [ 10.524772][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524777][ T184] console_unlock+0xee/0x1f0 [ 10.524780][ T184] ? console_flush_one_record+0x710/0x710 [ 10.524782][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.524784][ T184] ? lock_acquire+0x60/0x160 [ 10.524788][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.524790][ T184] ? vprintk_emit+0x320/0x3e0 [ 10.524793][ T184] vprintk_emit+0x37c/0x3e0 [ 10.524796][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 10.524798][ T184] ? write_profile+0xf0/0xf0 [ 10.524800][ T184] ? unwind_get_return_address+0x67/0xd0 [ 10.524807][ T184] dev_vprintk_emit+0x27f/0x2c0 [ 10.524812][ T184] ? device_rename.cold+0xa/0xa [ 10.524816][ T184] ? filter_irq_stacks+0xd0/0xd0 [ 10.524822][ T184] dev_printk_emit+0xb9/0xee [ 10.524825][ T184] ? dev_vprintk_emit+0x2c0/0x2c0 [ 10.524829][ T184] ? check_prev_add+0x316/0xe90 [ 10.524834][ T184] __netdev_printk+0x160/0x1d0 [ 10.524840][ T184] netdev_info+0xe2/0x116 [ 10.524843][ T184] ? netdev_notice+0x120/0x120 [ 10.524845][ T184] ? find_held_lock+0x2b/0x80 [ 10.524849][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.524851][ T184] ? mark_held_locks+0x40/0x70 [ 10.524855][ T184] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 10.524858][ T184] netif_change_name.cold+0x4f/0x89 [ 10.524860][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524862][ T184] ? mark_lock_irq+0x747/0x9c0 [ 10.524864][ T184] ? find_held_lock+0x2/0x80 [ 10.524867][ T184] ? netdev_adjacent_rename_links+0x470/0x470 [ 10.524870][ T184] ? find_held_lock+0x2b/0x80 [ 10.524873][ T184] ? __asan_memset+0x27/0x50 [ 10.524878][ T184] do_setlink.isra.0+0x1f7d/0x2a60 [ 10.524881][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524884][ T184] ? rtnl_link_get_size+0x350/0x350 [ 10.524886][ T184] ? mark_usage+0x61/0x170 [ 10.524888][ T184] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.524890][ T184] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.524893][ T184] ? validate_chain+0x38b/0xc20 [ 10.524898][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524903][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.524905][ T184] ? rtnl_setlink+0x29d/0x920 [ 10.524908][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.524910][ T184] ? lock_acquire+0x13c/0x160 [ 10.524911][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.524913][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.524914][ T184] ? trace_contention_end+0xb3/0x180 [ 10.524917][ T184] ? __mutex_lock+0x1db/0x1ea0 [ 10.524921][ T184] ? __mutex_lock+0x9a3/0x1ea0 [ 10.524923][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524925][ T184] ? rtnl_setlink+0x29d/0x920 [ 10.524928][ T184] ? mark_usage+0x61/0x170 [ 10.524931][ T184] ? ww_mutex_lock+0x160/0x160 [ 10.524933][ T184] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.524939][ T184] ? mark_usage+0x61/0x170 [ 10.524943][ T184] ? cap_capable+0x1d7/0x3d0 [ 10.524950][ T184] rtnl_setlink+0x527/0x920 [ 10.524954][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.524956][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524980][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.524982][ T184] ? find_held_lock+0x2b/0x80 [ 10.524985][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.524987][ T184] ? mark_usage+0x61/0x170 [ 10.524989][ T184] ? __lock_acquire+0x518/0xc20 [ 10.524994][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.524996][ T184] ? find_held_lock+0x2b/0x80 [ 10.524998][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.525000][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.525004][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.525007][ T184] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.525010][ T184] ? rtnl_link_fill+0x900/0x900 [ 10.525012][ T184] ? __lock_acquire+0x518/0xc20 [ 10.525017][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.525019][ T184] ? find_held_lock+0x2b/0x80 [ 10.525022][ T184] netlink_rcv_skb+0x14e/0x3a0 [ 10.525026][ T184] ? rtnl_link_fill+0x900/0x900 [ 10.525029][ T184] ? netlink_ack+0xcd0/0xcd0 [ 10.525036][ T184] ? netlink_deliver_tap+0xc5/0x330 [ 10.525038][ T184] ? netlink_deliver_tap+0x13c/0x330 [ 10.525043][ T184] netlink_unicast+0x486/0x750 [ 10.525047][ T184] ? netlink_attachskb+0x810/0x810 [ 10.525050][ T184] ? __lock_acquire+0x518/0xc20 [ 10.525055][ T184] netlink_sendmsg+0x735/0xc60 [ 10.525059][ T184] ? netlink_unicast+0x750/0x750 [ 10.525063][ T184] ? __might_fault+0x97/0x140 [ 10.525067][ T184] ? __might_fault+0x97/0x140 [ 10.525071][ T184] __sys_sendto+0x2aa/0x400 [ 10.525075][ T184] ? __ia32_sys_getpeername+0xd0/0xd0 [ 10.525086][ T184] ? exc_page_fault+0x87/0x100 [ 10.525091][ T184] __x64_sys_sendto+0xe4/0x1f0 [ 10.525093][ T184] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.525097][ T184] ? lockdep_hardirqs_on+0x91/0x130 [ 10.525098][ T184] ? do_syscall_64+0xa6/0x530 [ 10.525101][ T184] do_syscall_64+0xff/0x530 [ 10.525103][ T184] ? exc_page_fault+0xee/0x100 [ 10.525105][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.525108][ T184] RIP: 0033:0x7f96acbd354e [ 10.525112][ T184] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 10.525113][ T184] RSP: 002b:00007ffca3a8b5c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.525116][ T184] RAX: ffffffffffffffda RBX: 0000559bc14af470 RCX: 00007f96acbd354e [ 10.525117][ T184] RDX: 0000000000000030 RSI: 0000559bc14dd3d0 RDI: 000000000000001d [ 10.525118][ T184] RBP: 00007ffca3a8b5d0 R08: 00007ffca3a8b620 R09: 0000000000000080 [ 10.525119][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 0000559bc14dcb70 [ 10.525120][ T184] R13: 00007ffca3a8b704 R14: 0000000000000000 R15: 0000000000000000 [ 10.525127][ T184] [ 10.787231][ T194] ip (194) used greatest stack depth: 24136 bytes left [ 13.916301][ T184] (udev-worker) (184) used greatest stack depth: 22696 bytes left [ 13.916318][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.916320][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: (udev-worker) [ 13.916322][ T184] preempt_count: 2, expected: 0 [ 13.916322][ T184] RCU nest depth: 0, expected: 0 [ 13.916323][ T184] locks held by (udev-worker)/184: 5, last CPU#2: [ 13.916325][ T184] #0: ffffffffad8027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.916337][ T184] #1: ffffffffad999cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.916342][ T184] #2: ffffffffad999d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.916346][ T184] #3: ffffffffad889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.916350][ T184] #4: ffffffffad889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 13.916354][ T184] irq event stamp: 281642 [ 13.916355][ T184] hardirqs last enabled at (281641): [] __down_trylock_console_sem+0x86/0xa0 [ 13.916358][ T184] hardirqs last disabled at (281642): [] console_emit_next_record+0x3f8/0x4f0 [ 13.916360][ T184] softirqs last enabled at (281578): [] netlink_release+0x17b/0xcf0 [ 13.916365][ T184] softirqs last disabled at (281576): [] netlink_release+0xd2/0xcf0 [ 13.916367][ T184] Preemption disabled at: [ 13.916368][ T184] [<0000000000000000>] 0x0 [ 13.916375][ T184] CPU: 2 UID: 0 PID: 184 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.916378][ T184] Tainted: [W]=WARN [ 13.916379][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.916381][ T184] Call Trace: [ 13.916383][ T184] [ 13.916384][ T184] dump_stack_lvl+0x6f/0xa0 [ 13.916391][ T184] __might_resched.cold+0x1fe/0x2c1 [ 13.916396][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.916400][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 13.916409][ T184] __kmalloc_noprof+0x443/0x760 [ 13.916413][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 13.916419][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 13.916422][ T184] alloc_buf.isra.0+0x4b/0x260 [ 13.916426][ T184] put_chars+0x1e1/0x2f0 [ 13.916429][ T184] ? __send_to_port+0x420/0x420 [ 13.916431][ T184] ? printk_get_next_message+0x2fe/0x7d0 [ 13.916435][ T184] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.916438][ T184] ? validate_chain+0x38b/0xc20 [ 13.916443][ T184] hvc_console_print+0x292/0x780 [ 13.916446][ T184] ? __lock_acquire+0x518/0xc20 [ 13.916448][ T184] ? __lock_acquire+0x518/0xc20 [ 13.916453][ T184] ? hvc_write+0x3a0/0x3a0 [ 13.916456][ T184] ? rcu_is_watching+0x16/0xd0 [ 13.916458][ T184] ? lock_acquire+0x13c/0x160 [ 13.916462][ T184] console_emit_next_record+0x252/0x4f0 [ 13.916466][ T184] ? devkmsg_read+0x4e0/0x4e0 [ 13.916471][ T184] ? rcu_is_watching+0x16/0xd0 [ 13.916473][ T184] ? lock_acquire+0x13c/0x160 [ 13.916477][ T184] console_flush_one_record+0x46f/0x710 [ 13.916481][ T184] ? console_emit_next_record+0x4f0/0x4f0 [ 13.916483][ T184] ? __lock_acquire+0x518/0xc20 [ 13.916488][ T184] console_unlock+0xee/0x1f0 [ 13.916491][ T184] ? console_flush_one_record+0x710/0x710 [ 13.916493][ T184] ? rcu_is_watching+0x16/0xd0 [ 13.916495][ T184] ? lock_acquire+0x60/0x160 [ 13.916499][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.916500][ T184] ? vprintk_emit+0x320/0x3e0 [ 13.916503][ T184] vprintk_emit+0x37c/0x3e0 [ 13.916506][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 13.916509][ T184] ? __lock_acquire+0x518/0xc20 [ 13.916513][ T184] _printk+0xc7/0x100 [ 13.916517][ T184] ? snapshot_read.cold+0x21/0x21 [ 13.916520][ T184] ? do_raw_spin_lock+0x131/0x280 [ 13.916522][ T184] ? __rwlock_init+0x150/0x150 [ 13.916526][ T184] ? do_raw_spin_lock+0x131/0x280 [ 13.916529][ T184] do_exit.cold+0x82/0x9c [ 13.916533][ T184] ? exit_notify+0x890/0x890 [ 13.916534][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 13.916537][ T184] ? rcu_is_watching+0x16/0xd0 [ 13.916541][ T184] do_group_exit+0xb8/0x370 [ 13.916544][ T184] __x64_sys_exit_group+0x3c/0x50 [ 13.916545][ T184] x64_sys_call+0x1567/0x1570 [ 13.916548][ T184] do_syscall_64+0xff/0x530 [ 13.916552][ T184] ? exc_page_fault+0xee/0x100 [ 13.916555][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.916557][ T184] RIP: 0033:0x7f96acc241b8 [ 13.916559][ T184] Code: Unable to access opcode bytes at 0x7f96acc2418e. [ 13.916560][ T184] RSP: 002b:00007ffca3a8bb18 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.916563][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96acc241b8 [ 13.916564][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.916565][ T184] RBP: 00007ffca3a8bca0 R08: 0000559bc14a99e8 R09: 0000000000000000 [ 13.916566][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 13.916567][ T184] R13: 00007f96ac482050 R14: 00007f96ad155d9e R15: 0000559bc1332b10 [ 13.916573][ T184] [ 13.920374][ C0] clocksource: Watchdog remote CPU 2 read timed out [ 13.920398][ C0] [ 13.920399][ C0] ======================================================== [ 13.920400][ C0] WARNING: possible irq lock inversion dependency detected [ 13.920402][ C0] 7.2.0-virtme #1 Tainted: G W [ 13.920404][ C0] -------------------------------------------------------- [ 13.920405][ C0] (udev-worker)/183 just changed the state of lock: [ 13.920407][ C0] ffffffffad889660 (console_owner){..-.}-{0:0}, at: console_trylock_spinning+0xa4/0x1e0 [ 13.920416][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 13.920417][ C0] (fs_reclaim){+.+.}-{0:0} [ 13.920419][ C0] [ 13.920419][ C0] [ 13.920419][ C0] and interrupts could create inverse lock ordering between them. [ 13.920419][ C0] [ 13.920420][ C0] [ 13.920420][ C0] other info that might help us debug this: [ 13.920420][ C0] Possible interrupt unsafe locking scenario: [ 13.920420][ C0] [ 13.920421][ C0] CPU0 CPU1 [ 13.920421][ C0] ---- ---- [ 13.920422][ C0] lock(fs_reclaim); [ 13.920423][ C0] local_irq_disable(); [ 13.920423][ C0] lock(console_owner); [ 13.920424][ C0] lock(fs_reclaim); [ 13.920425][ C0] [ 13.920425][ C0] lock(console_owner); [ 13.920426][ C0] [ 13.920426][ C0] *** DEADLOCK *** [ 13.920426][ C0] [ 13.920426][ C0] locks held by (udev-worker)/183: 4, last CPU#0: [ 13.920428][ C0] #0: ff110000056c2a38 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x2fc/0x960 [ 13.920433][ C0] #1: ffffffffad9b0b00 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x17e/0x1ea0 [ 13.920438][ C0] #2: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 13.920443][ C0] #3: ffffffffad9fe8b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 13.920447][ C0] [ 13.920447][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 13.920451][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 13.920453][ C0] HARDIRQ-ON-W at: [ 13.920455][ C0] __lock_acquire+0x388/0xc20 [ 13.920458][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920459][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.920462][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 13.920464][ C0] kthread_create_worker_on_node+0xea/0x210 [ 13.920467][ C0] workqueue_init+0x2a/0x680 [ 13.920470][ C0] kernel_init_freeable+0x2fe/0x630 [ 13.920473][ C0] kernel_init+0x21/0x150 [ 13.920476][ C0] ret_from_fork+0x474/0x6b0 [ 13.920479][ C0] ret_from_fork_asm+0x11/0x20 [ 13.920481][ C0] SOFTIRQ-ON-W at: [ 13.920482][ C0] __lock_acquire+0x388/0xc20 [ 13.920484][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920485][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.920487][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 13.920488][ C0] kthread_create_worker_on_node+0xea/0x210 [ 13.920490][ C0] workqueue_init+0x2a/0x680 [ 13.920491][ C0] kernel_init_freeable+0x2fe/0x630 [ 13.920492][ C0] kernel_init+0x21/0x150 [ 13.920493][ C0] ret_from_fork+0x474/0x6b0 [ 13.920495][ C0] ret_from_fork_asm+0x11/0x20 [ 13.920496][ C0] INITIAL USE at: [ 13.920497][ C0] __lock_acquire+0x388/0xc20 [ 13.920498][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920500][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.920501][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 13.920502][ C0] kthread_create_worker_on_node+0xea/0x210 [ 13.920504][ C0] workqueue_init+0x2a/0x680 [ 13.920505][ C0] kernel_init_freeable+0x2fe/0x630 [ 13.920506][ C0] kernel_init+0x21/0x150 [ 13.920508][ C0] ret_from_fork+0x474/0x6b0 [ 13.920509][ C0] ret_from_fork_asm+0x11/0x20 [ 13.920510][ C0] } [ 13.920511][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 13.920514][ C0] ... acquired at: [ 13.920515][ C0] __lock_acquire+0x518/0xc20 [ 13.920517][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920518][ C0] fs_reclaim_acquire+0xd5/0x120 [ 13.920519][ C0] __kmalloc_noprof+0xd3/0x760 [ 13.920521][ C0] alloc_buf.isra.0+0x4b/0x260 [ 13.920524][ C0] put_chars+0x1e1/0x2f0 [ 13.920525][ C0] hvc_console_print+0x292/0x780 [ 13.920527][ C0] console_emit_next_record+0x252/0x4f0 [ 13.920529][ C0] console_flush_one_record+0x46f/0x710 [ 13.920531][ C0] console_unlock+0xee/0x1f0 [ 13.920533][ C0] vprintk_emit+0x37c/0x3e0 [ 13.920534][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 13.920537][ C0] dev_printk_emit+0xb9/0xee [ 13.920538][ C0] _dev_info+0xe2/0x116 [ 13.920540][ C0] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 13.920543][ C0] cmos_do_probe+0x73b/0x98a [ 13.920544][ C0] platform_probe+0xfe/0x1f0 [ 13.920547][ C0] call_driver_probe+0x61/0x1c0 [ 13.920549][ C0] really_probe+0x199/0x760 [ 13.920550][ C0] __driver_probe_device+0x24f/0x440 [ 13.920551][ C0] driver_probe_device+0x4a/0xf0 [ 13.920552][ C0] __driver_attach+0x1b8/0x540 [ 13.920554][ C0] bus_for_each_dev+0x130/0x1e0 [ 13.920556][ C0] bus_add_driver+0x2c8/0x530 [ 13.920557][ C0] driver_register+0x1a3/0x390 [ 13.920558][ C0] __platform_driver_probe+0x13f/0x270 [ 13.920559][ C0] cmos_init+0x31/0x40 [ 13.920562][ C0] do_one_initcall+0x124/0x4f0 [ 13.920563][ C0] kernel_init_freeable+0x596/0x630 [ 13.920564][ C0] kernel_init+0x21/0x150 [ 13.920566][ C0] ret_from_fork+0x474/0x6b0 [ 13.920567][ C0] ret_from_fork_asm+0x11/0x20 [ 13.920568][ C0] [ 13.920569][ C0] -> (console_owner){..-.}-{0:0} { [ 13.920571][ C0] IN-SOFTIRQ-W at: [ 13.920571][ C0] __lock_acquire+0x388/0xc20 [ 13.920573][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920574][ C0] console_trylock_spinning+0xb5/0x1e0 [ 13.920576][ C0] vprintk_emit+0x320/0x3e0 [ 13.920577][ C0] _printk+0xc7/0x100 [ 13.920580][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 13.920582][ C0] call_timer_fn+0x160/0x4d0 [ 13.920584][ C0] __run_timers+0x68f/0xaa0 [ 13.920585][ C0] run_timer_softirq+0xf0/0x160 [ 13.920587][ C0] handle_softirqs+0x1d3/0x900 [ 13.920589][ C0] __irq_exit_rcu+0x145/0x1c0 [ 13.920590][ C0] irq_exit_rcu+0xe/0x30 [ 13.920592][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 13.920593][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.920595][ C0] lock_acquire.part.0+0x112/0x280 [ 13.920596][ C0] unwind_next_frame+0x192/0x1ea0 [ 13.920597][ C0] arch_stack_walk+0xd7/0x130 [ 13.920599][ C0] stack_trace_save+0x93/0xc0 [ 13.920600][ C0] kasan_save_stack+0x2f/0x50 [ 13.920603][ C0] kasan_record_aux_stack+0x9b/0xc0 [ 13.920605][ C0] __call_rcu_common.constprop.0+0xb2/0xa20 [ 13.920607][ C0] tear_down_vmas+0x175/0x520 [ 13.920609][ C0] exit_mmap+0x486/0x960 [ 13.920610][ C0] mmput+0xa9/0x450 [ 13.920612][ C0] exit_mm+0x134/0x200 [ 13.920613][ C0] do_exit+0x548/0xdc0 [ 13.920615][ C0] do_group_exit+0xb8/0x370 [ 13.920616][ C0] __x64_sys_exit_group+0x3c/0x50 [ 13.920617][ C0] x64_sys_call+0x1567/0x1570 [ 13.920618][ C0] do_syscall_64+0xff/0x530 [ 13.920621][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.920622][ C0] INITIAL USE at: [ 13.920623][ C0] } [ 13.920623][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 13.920628][ C0] ... acquired at: [ 13.920628][ C0] mark_lock+0x1d7/0xa00 [ 13.920630][ C0] mark_usage+0x42/0x170 [ 13.920631][ C0] __lock_acquire+0x388/0xc20 [ 13.920633][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920634][ C0] console_trylock_spinning+0xb5/0x1e0 [ 13.920636][ C0] vprintk_emit+0x320/0x3e0 [ 13.920637][ C0] _printk+0xc7/0x100 [ 13.920638][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 13.920639][ C0] call_timer_fn+0x160/0x4d0 [ 13.920641][ C0] __run_timers+0x68f/0xaa0 [ 13.920642][ C0] run_timer_softirq+0xf0/0x160 [ 13.920644][ C0] handle_softirqs+0x1d3/0x900 [ 13.920645][ C0] __irq_exit_rcu+0x145/0x1c0 [ 13.920647][ C0] irq_exit_rcu+0xe/0x30 [ 13.920648][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 13.920649][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.920650][ C0] lock_acquire.part.0+0x112/0x280 [ 13.920652][ C0] unwind_next_frame+0x192/0x1ea0 [ 13.920653][ C0] arch_stack_walk+0xd7/0x130 [ 13.920654][ C0] stack_trace_save+0x93/0xc0 [ 13.920655][ C0] kasan_save_stack+0x2f/0x50 [ 13.920656][ C0] kasan_record_aux_stack+0x9b/0xc0 [ 13.920658][ C0] __call_rcu_common.constprop.0+0xb2/0xa20 [ 13.920659][ C0] tear_down_vmas+0x175/0x520 [ 13.920660][ C0] exit_mmap+0x486/0x960 [ 13.920662][ C0] mmput+0xa9/0x450 [ 13.920663][ C0] exit_mm+0x134/0x200 [ 13.920664][ C0] do_exit+0x548/0xdc0 [ 13.920665][ C0] do_group_exit+0xb8/0x370 [ 13.920666][ C0] __x64_sys_exit_group+0x3c/0x50 [ 13.920667][ C0] x64_sys_call+0x1567/0x1570 [ 13.920669][ C0] do_syscall_64+0xff/0x530 [ 13.920670][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.920672][ C0] [ 13.920672][ C0] [ 13.920672][ C0] stack backtrace: [ 13.920674][ C0] CPU: 0 UID: 0 PID: 183 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.920677][ C0] Tainted: [W]=WARN [ 13.920678][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.920679][ C0] Call Trace: [ 13.920680][ C0] [ 13.920681][ C0] dump_stack_lvl+0x6f/0xa0 [ 13.920685][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 13.920687][ C0] mark_lock_irq+0x989/0x9c0 [ 13.920689][ C0] ? add_lock_to_list+0x2c/0x1a0 [ 13.920692][ C0] mark_lock+0x1d7/0xa00 [ 13.920694][ C0] mark_usage+0x42/0x170 [ 13.920696][ C0] __lock_acquire+0x388/0xc20 [ 13.920698][ C0] lock_acquire.part.0+0xd4/0x280 [ 13.920700][ C0] ? console_trylock_spinning+0xa4/0x1e0 [ 13.920702][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.920704][ C0] ? lock_acquire+0x13c/0x160 [ 13.920706][ C0] console_trylock_spinning+0xb5/0x1e0 [ 13.920707][ C0] ? console_trylock_spinning+0xa4/0x1e0 [ 13.920709][ C0] vprintk_emit+0x320/0x3e0 [ 13.920711][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 13.920713][ C0] ? clocksource_watchdog.part.0+0x4d0/0x540 [ 13.920715][ C0] _printk+0xc7/0x100 [ 13.920716][ C0] ? snapshot_read.cold+0x21/0x21 [ 13.920718][ C0] ? clocksource_watchdog.part.0+0x4d0/0x540 [ 13.920720][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.920723][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 13.920725][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 13.920726][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 13.920728][ C0] call_timer_fn+0x160/0x4d0 [ 13.920730][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 13.920732][ C0] ? debug_object_active_state+0x430/0x430 [ 13.920735][ C0] ? find_held_lock+0x2b/0x80 [ 13.920737][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.920739][ C0] ? mark_held_locks+0x40/0x70 [ 13.920741][ C0] __run_timers+0x68f/0xaa0 [ 13.920743][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 13.920745][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 13.920747][ C0] ? __lock_acquire+0x518/0xc20 [ 13.920750][ C0] ? __rwlock_init+0x150/0x150 [ 13.920752][ C0] run_timer_softirq+0xf0/0x160 [ 13.920755][ C0] ? __run_timers+0xaa0/0xaa0 [ 13.920757][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.920758][ C0] handle_softirqs+0x1d3/0x900 [ 13.920760][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.920762][ C0] ? _local_bh_enable+0xc0/0xc0 [ 13.920763][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 13.920765][ C0] __irq_exit_rcu+0x145/0x1c0 [ 13.920767][ C0] irq_exit_rcu+0xe/0x30 [ 13.920768][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 13.920770][ C0] [ 13.920771][ C0] [ 13.920771][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.920773][ C0] RIP: 0010:lock_acquire.part.0+0x112/0x280 [ 13.920776][ C0] Code: ff 65 0f c1 05 ff a7 bc 04 83 f8 01 4c 8b 14 24 0f 85 35 01 00 00 9c 58 f6 c4 02 0f 85 52 01 00 00 4d 85 d2 0f 85 1b 01 00 00 <48> 8b 44 24 30 65 48 2b 05 d1 62 bc 04 0f 85 48 01 00 00 48 83 c4 [ 13.920778][ C0] RSP: 0018:ffa0000000647630 EFLAGS: 00000206 [ 13.920780][ C0] RAX: 0000000000000046 RBX: 0000000000000000 RCX: d5560035880c8c4d [ 13.920781][ C0] RDX: 0000000000000000 RSI: fffffffface74b9b RDI: ffffffffac890860 [ 13.920782][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ff1100000c4e0b78 [ 13.920782][ C0] R10: 0000000000000200 R11: 0000000000000001 R12: ffffffffad9b0b00 [ 13.920783][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 13.920786][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.920787][ C0] ? lock_acquire+0x13c/0x160 [ 13.920789][ C0] unwind_next_frame+0x192/0x1ea0 [ 13.920791][ C0] ? unwind_next_frame+0x17e/0x1ea0 [ 13.920792][ C0] ? do_exit+0x548/0xdc0 [ 13.920794][ C0] ? stack_access_ok+0x1e0/0x1e0 [ 13.920796][ C0] ? __unwind_start+0x42e/0x900 [ 13.920798][ C0] ? write_profile+0xf0/0xf0 [ 13.920799][ C0] arch_stack_walk+0xd7/0x130 [ 13.920801][ C0] ? do_exit+0x548/0xdc0 [ 13.920803][ C0] stack_trace_save+0x93/0xc0 [ 13.920805][ C0] ? filter_irq_stacks+0xd0/0xd0 [ 13.920807][ C0] ? validate_chain+0x38b/0xc20 [ 13.920808][ C0] ? tear_down_vmas+0x175/0x520 [ 13.920810][ C0] kasan_save_stack+0x2f/0x50 [ 13.920812][ C0] ? kasan_save_stack+0x2f/0x50 [ 13.920814][ C0] ? kasan_record_aux_stack+0x9b/0xc0 [ 13.920815][ C0] ? __call_rcu_common.constprop.0+0xb2/0xa20 [ 13.920816][ C0] ? tear_down_vmas+0x175/0x520 [ 13.920818][ C0] ? exit_mmap+0x486/0x960 [ 13.920819][ C0] ? mmput+0xa9/0x450 [ 13.920821][ C0] ? exit_mm+0x134/0x200 [ 13.920822][ C0] ? do_exit+0x548/0xdc0 [ 13.920826][ C0] kasan_record_aux_stack+0x9b/0xc0 [ 13.920828][ C0] ? free_kmem_cache_nodes+0x1c0/0x1c0 [ 13.920830][ C0] __call_rcu_common.constprop.0+0xb2/0xa20 [ 13.920832][ C0] tear_down_vmas+0x175/0x520 [ 13.920834][ C0] exit_mmap+0x486/0x960 [ 13.920836][ C0] ? vm_brk_flags+0x4d0/0x4d0 [ 13.920838][ C0] ? lock_acquire+0x13c/0x160 [ 13.920840][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.920843][ C0] ? uprobe_clear_state+0x49/0x1e0 [ 13.920846][ C0] ? __lock_acquire+0x518/0xc20 [ 13.920850][ C0] mmput+0xa9/0x450 [ 13.920852][ C0] exit_mm+0x134/0x200 [ 13.920853][ C0] do_exit+0x548/0xdc0 [ 13.920855][ C0] ? exit_notify+0x890/0x890 [ 13.920856][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 13.920858][ C0] ? rcu_is_watching+0x16/0xd0 [ 13.920860][ C0] do_group_exit+0xb8/0x370 [ 13.920861][ C0] __x64_sys_exit_group+0x3c/0x50 [ 13.920863][ C0] x64_sys_call+0x1567/0x1570 [ 13.920864][ C0] do_syscall_64+0xff/0x530 [ 13.920866][ C0] ? irq_exit_rcu+0x1a/0x30 [ 13.920868][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.920869][ C0] RIP: 0033:0x7f96acc241b8 [ 13.920871][ C0] Code: Unable to access opcode bytes at 0x7f96acc2418e. [ 13.920872][ C0] RSP: 002b:00007ffca3a8bb18 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.920874][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96acc241b8 [ 13.920874][ C0] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.920875][ C0] RBP: 00007ffca3a8bca0 R08: 0000559bc14af218 R09: 0000000000000000 [ 13.920876][ C0] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 13.920877][ C0] R13: 00007f96ac482050 R14: 00007f96ad155d9e R15: 0000559bc1320300 [ 13.920879][ C0]