[ 14.017414][ T86] (udev-worker) (86) used greatest stack depth: 22696 bytes left [ 14.017434][ T86] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.017436][ T86] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 86, name: (udev-worker) [ 14.017438][ T86] preempt_count: 2, expected: 0 [ 14.017438][ T86] RCU nest depth: 0, expected: 0 [ 14.017439][ T86] locks held by (udev-worker)/86: 5, last CPU#1: [ 14.017442][ T86] #0: ffffffff8c0027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.017454][ T86] #1: ffffffff8c199cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.017459][ T86] #2: ffffffff8c199d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.017463][ T86] #3: ffffffff8c089660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.017467][ T86] #4: ffffffff8c089560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 14.017471][ T86] irq event stamp: 535114 [ 14.017471][ T86] hardirqs last enabled at (535113): [] __down_trylock_console_sem+0x86/0xa0 [ 14.017474][ T86] hardirqs last disabled at (535114): [] console_emit_next_record+0x3f8/0x4f0 [ 14.017476][ T86] softirqs last enabled at (535050): [] netlink_release+0x17b/0xcf0 [ 14.017480][ T86] softirqs last disabled at (535048): [] netlink_release+0xd2/0xcf0 [ 14.017482][ T86] Preemption disabled at: [ 14.017483][ T86] [<0000000000000000>] 0x0 [ 14.017490][ T86] CPU: 1 UID: 0 PID: 86 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.017494][ T86] Tainted: [W]=WARN [ 14.017494][ T86] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.017496][ T86] Call Trace: [ 14.017498][ T86] [ 14.017499][ T86] dump_stack_lvl+0x6f/0xa0 [ 14.017506][ T86] __might_resched.cold+0x1fe/0x2c1 [ 14.017510][ T86] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.017514][ T86] ? __kmalloc_noprof+0xdb/0x760 [ 14.017519][ T86] __kmalloc_noprof+0x443/0x760 [ 14.017521][ T86] ? alloc_buf.isra.0+0x4b/0x260 [ 14.017527][ T86] ? do_raw_spin_unlock+0x59/0x250 [ 14.017529][ T86] alloc_buf.isra.0+0x4b/0x260 [ 14.017532][ T86] put_chars+0x1e1/0x2f0 [ 14.017535][ T86] ? __send_to_port+0x420/0x420 [ 14.017536][ T86] ? printk_get_next_message+0x2fe/0x7d0 [ 14.017540][ T86] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.017543][ T86] ? validate_chain+0x38b/0xc20 [ 14.017547][ T86] hvc_console_print+0x292/0x780 [ 14.017550][ T86] ? __lock_acquire+0x518/0xc20 [ 14.017551][ T86] ? __lock_acquire+0x518/0xc20 [ 14.017555][ T86] ? hvc_write+0x3a0/0x3a0 [ 14.017558][ T86] ? rcu_is_watching+0x16/0xd0 [ 14.017561][ T86] ? lock_acquire+0x13c/0x160 [ 14.017564][ T86] console_emit_next_record+0x252/0x4f0 [ 14.017568][ T86] ? devkmsg_read+0x4e0/0x4e0 [ 14.017572][ T86] ? rcu_is_watching+0x16/0xd0 [ 14.017574][ T86] ? lock_acquire+0x13c/0x160 [ 14.017578][ T86] console_flush_one_record+0x46f/0x710 [ 14.017582][ T86] ? console_emit_next_record+0x4f0/0x4f0 [ 14.017590][ T86] ? __lock_acquire+0x518/0xc20 [ 14.017595][ T86] console_unlock+0xee/0x1f0 [ 14.017597][ T86] ? console_flush_one_record+0x710/0x710 [ 14.017599][ T86] ? rcu_is_watching+0x16/0xd0 [ 14.017601][ T86] ? lock_acquire+0x60/0x160 [ 14.017604][ T86] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.017606][ T86] ? vprintk_emit+0x320/0x3e0 [ 14.017609][ T86] vprintk_emit+0x37c/0x3e0 [ 14.017612][ T86] ? wake_up_klogd_work_func+0x90/0x90 [ 14.017616][ T86] ? __lock_acquire+0x518/0xc20 [ 14.017619][ T86] _printk+0xc7/0x100 [ 14.017623][ T86] ? snapshot_read.cold+0x21/0x21 [ 14.017625][ T86] ? do_raw_spin_lock+0x131/0x280 [ 14.017628][ T86] ? __rwlock_init+0x150/0x150 [ 14.017631][ T86] ? do_raw_spin_lock+0x131/0x280 [ 14.017634][ T86] do_exit.cold+0x82/0x9c [ 14.017638][ T86] ? exit_notify+0x890/0x890 [ 14.017639][ T86] ? __lock_release.isra.0+0x69/0x1a0 [ 14.017642][ T86] ? rcu_is_watching+0x16/0xd0 [ 14.017646][ T86] do_group_exit+0xb8/0x370 [ 14.017649][ T86] __x64_sys_exit_group+0x3c/0x50 [ 14.017651][ T86] x64_sys_call+0x1567/0x1570 [ 14.017654][ T86] do_syscall_64+0xff/0x530 [ 14.017658][ T86] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.017660][ T86] RIP: 0033:0x7f8f10b131b8 [ 14.017663][ T86] Code: Unable to access opcode bytes at 0x7f8f10b1318e. [ 14.017664][ T86] RSP: 002b:00007ffd3cb8bd58 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.017666][ T86] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f10b131b8 [ 14.017668][ T86] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.017669][ T86] RBP: 00007ffd3cb8bee0 R08: 00005632676287c8 R09: 0000000000000000 [ 14.017670][ T86] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 14.017670][ T86] R13: 00007f8f10371050 R14: 00007f8f11044d9e R15: 00005632674c73d0 [ 14.017677][ T86]