[ 9.293391][ T147] mkdir (147) used greatest stack depth: 24728 bytes left [ 9.293408][ T147] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.293410][ T147] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 147, name: mkdir [ 9.293411][ T147] preempt_count: 2, expected: 0 [ 9.293412][ T147] RCU nest depth: 0, expected: 0 [ 9.293413][ T147] locks held by mkdir/147: 5, last CPU#0: [ 9.293415][ T147] #0: ffffffff980167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.293427][ T147] #1: ffffffff9817ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.293431][ T147] #2: ffffffff9817de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.293436][ T147] #3: ffffffff9809d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.293439][ T147] #4: ffffffff9809d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.293443][ T147] irq event stamp: 16076 [ 9.293444][ T147] hardirqs last enabled at (16075): [] __down_trylock_console_sem+0x86/0xa0 [ 9.293447][ T147] hardirqs last disabled at (16076): [] console_emit_next_record+0x3d4/0x4c0 [ 9.293449][ T147] softirqs last enabled at (15022): [] handle_softirqs+0x67c/0x900 [ 9.293451][ T147] softirqs last disabled at (15017): [] __irq_exit_rcu+0x145/0x1c0 [ 9.293454][ T147] Preemption disabled at: [ 9.293454][ T147] [<0000000000000000>] 0x0 [ 9.293461][ T147] CPU: 0 UID: 0 PID: 147 Comm: mkdir Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.293464][ T147] Tainted: [W]=WARN [ 9.293466][ T147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.293467][ T147] Call Trace: [ 9.293469][ T147] [ 9.293470][ T147] dump_stack_lvl+0x6f/0xa0 [ 9.293477][ T147] __might_resched.cold+0x1fe/0x2c1 [ 9.293481][ T147] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.293485][ T147] ? __kmalloc_noprof+0xdb/0x760 [ 9.293489][ T147] __kmalloc_noprof+0x443/0x760 [ 9.293491][ T147] ? alloc_buf.isra.0+0x4b/0x260 [ 9.293498][ T147] ? do_raw_spin_unlock+0x59/0x250 [ 9.293501][ T147] alloc_buf.isra.0+0x4b/0x260 [ 9.293505][ T147] put_chars+0x1e1/0x2f0 [ 9.293507][ T147] ? __send_to_port+0x420/0x420 [ 9.293508][ T147] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.293512][ T147] ? validate_chain+0x38b/0xc20 [ 9.293517][ T147] hvc_console_print+0x292/0x780 [ 9.293524][ T147] ? hvc_write+0x3a0/0x3a0 [ 9.293527][ T147] ? rcu_is_watching+0x16/0xd0 [ 9.293529][ T147] ? lock_acquire+0x13c/0x160 [ 9.293533][ T147] console_emit_next_record+0x22f/0x4c0 [ 9.293537][ T147] ? devkmsg_read+0x4b0/0x4b0 [ 9.293539][ T147] ? console_flush_one_record+0x106/0x710 [ 9.293542][ T147] ? rcu_is_watching+0x16/0xd0 [ 9.293543][ T147] ? lock_acquire+0x13c/0x160 [ 9.293547][ T147] console_flush_one_record+0x46f/0x710 [ 9.293551][ T147] ? console_emit_next_record+0x4c0/0x4c0 [ 9.293553][ T147] ? __lock_acquire+0x518/0xc20 [ 9.293558][ T147] console_unlock+0xee/0x1f0 [ 9.293561][ T147] ? console_flush_one_record+0x710/0x710 [ 9.293563][ T147] ? rcu_is_watching+0x16/0xd0 [ 9.293565][ T147] ? lock_acquire+0xe0/0x160 [ 9.293568][ T147] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.293570][ T147] ? vprintk_emit+0x320/0x3e0 [ 9.293573][ T147] vprintk_emit+0x37c/0x3e0 [ 9.293576][ T147] ? wake_up_klogd_work_func+0x90/0x90 [ 9.293579][ T147] ? __lock_acquire+0x518/0xc20 [ 9.293582][ T147] _printk+0xc7/0x100 [ 9.293586][ T147] ? snapshot_read.cold+0x21/0x21 [ 9.293588][ T147] ? do_raw_spin_lock+0x131/0x280 [ 9.293591][ T147] ? __rwlock_init+0x150/0x150 [ 9.293595][ T147] ? do_raw_spin_lock+0x131/0x280 [ 9.293598][ T147] do_exit.cold+0x82/0x9c [ 9.293601][ T147] ? exit_notify+0x890/0x890 [ 9.293602][ T147] ? __lock_release.isra.0+0x69/0x1a0 [ 9.293605][ T147] ? rcu_is_watching+0x16/0xd0 [ 9.293608][ T147] do_group_exit+0xb8/0x370 [ 9.293611][ T147] __x64_sys_exit_group+0x3c/0x50 [ 9.293613][ T147] x64_sys_call+0x1567/0x1570 [ 9.293615][ T147] do_syscall_64+0xff/0x530 [ 9.293619][ T147] ? exc_page_fault+0xee/0x100 [ 9.293622][ T147] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.293624][ T147] RIP: 0033:0x7f4924af31b8 [ 9.293626][ T147] Code: Unable to access opcode bytes at 0x7f4924af318e. [ 9.293628][ T147] RSP: 002b:00007ffee717f3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.293630][ T147] RAX: ffffffffffffffda RBX: 00007f4924c23f88 RCX: 00007f4924af31b8 [ 9.293631][ T147] RDX: 00007f4924954848 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 9.293632][ T147] RBP: 00007ffee717f420 R08: 0000000000000000 R09: 0000000000000001 [ 9.293633][ T147] R10: 00007ffee717f240 R11: 0000000000000246 R12: 0000000000000002 [ 9.293634][ T147] R13: 0000000000000000 R14: 00007f4924c22680 R15: 00007f4924c23fa0 [ 9.293640][ T147]