[ 52.900003][ T115] bash (115) used greatest stack depth: 24480 bytes left [ 52.900022][ T115] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 52.900024][ T115] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 115, name: bash [ 52.900026][ T115] preempt_count: 2, expected: 0 [ 52.900027][ T115] RCU nest depth: 0, expected: 0 [ 52.900028][ T115] locks held by bash/115: 5, last CPU#3: [ 52.900030][ T115] #0: ffffffff87c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 52.900042][ T115] #1: ffffffff87d69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 52.900048][ T115] #2: ffffffff87d69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 52.900051][ T115] #3: ffffffff87c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 52.900054][ T115] #4: ffffffff87c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 52.900058][ T115] irq event stamp: 68988 [ 52.900059][ T115] hardirqs last enabled at (68987): [] __down_trylock_console_sem+0x86/0xa0 [ 52.900062][ T115] hardirqs last disabled at (68988): [] console_emit_next_record+0x3d4/0x4c0 [ 52.900064][ T115] softirqs last enabled at (62606): [] handle_softirqs+0x67c/0x900 [ 52.900066][ T115] softirqs last disabled at (62599): [] __irq_exit_rcu+0x145/0x1c0 [ 52.900068][ T115] Preemption disabled at: [ 52.900069][ T115] [<0000000000000000>] 0x0 [ 52.900076][ T115] CPU: 3 UID: 0 PID: 115 Comm: bash Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 52.900079][ T115] Tainted: [W]=WARN [ 52.900080][ T115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.900082][ T115] Call Trace: [ 52.900084][ T115] [ 52.900085][ T115] dump_stack_lvl+0x6f/0xa0 [ 52.900091][ T115] __might_resched.cold+0x1fe/0x2c1 [ 52.900095][ T115] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 52.900099][ T115] ? __kmalloc_noprof+0xdb/0x760 [ 52.900104][ T115] __kmalloc_noprof+0x443/0x760 [ 52.900107][ T115] ? alloc_buf.isra.0+0x4b/0x260 [ 52.900113][ T115] ? do_raw_spin_unlock+0x59/0x250 [ 52.900116][ T115] alloc_buf.isra.0+0x4b/0x260 [ 52.900119][ T115] put_chars+0x1e1/0x2f0 [ 52.900122][ T115] ? __send_to_port+0x420/0x420 [ 52.900124][ T115] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 52.900128][ T115] ? validate_chain+0x38b/0xc20 [ 52.900133][ T115] hvc_console_print+0x292/0x780 [ 52.900140][ T115] ? hvc_write+0x3a0/0x3a0 [ 52.900143][ T115] ? rcu_is_watching+0x16/0xd0 [ 52.900145][ T115] ? lock_acquire+0x13c/0x160 [ 52.900149][ T115] console_emit_next_record+0x22f/0x4c0 [ 52.900152][ T115] ? devkmsg_read+0x4b0/0x4b0 [ 52.900154][ T115] ? console_flush_one_record+0x106/0x710 [ 52.900156][ T115] ? rcu_is_watching+0x16/0xd0 [ 52.900158][ T115] ? lock_acquire+0x13c/0x160 [ 52.900162][ T115] console_flush_one_record+0x46f/0x710 [ 52.900166][ T115] ? console_emit_next_record+0x4c0/0x4c0 [ 52.900168][ T115] ? __lock_acquire+0x518/0xc20 [ 52.900173][ T115] console_unlock+0xee/0x1f0 [ 52.900175][ T115] ? console_flush_one_record+0x710/0x710 [ 52.900177][ T115] ? rcu_is_watching+0x16/0xd0 [ 52.900179][ T115] ? lock_acquire+0x60/0x160 [ 52.900182][ T115] ? __down_trylock_console_sem+0x5e/0xa0 [ 52.900184][ T115] ? vprintk_emit+0x320/0x3e0 [ 52.900187][ T115] vprintk_emit+0x37c/0x3e0 [ 52.900191][ T115] ? wake_up_klogd_work_func+0x90/0x90 [ 52.900194][ T115] ? __lock_acquire+0x518/0xc20 [ 52.900197][ T115] _printk+0xc7/0x100 [ 52.900202][ T115] ? snapshot_read.cold+0x21/0x21 [ 52.900204][ T115] ? do_raw_spin_lock+0x131/0x280 [ 52.900207][ T115] ? __rwlock_init+0x150/0x150 [ 52.900211][ T115] ? do_raw_spin_lock+0x131/0x280 [ 52.900214][ T115] do_exit.cold+0x82/0x9c [ 52.900218][ T115] ? exit_notify+0x890/0x890 [ 52.900219][ T115] ? __lock_release.isra.0+0x69/0x1a0 [ 52.900222][ T115] ? rcu_is_watching+0x16/0xd0 [ 52.900226][ T115] do_group_exit+0xb8/0x370 [ 52.900229][ T115] __x64_sys_exit_group+0x3c/0x50 [ 52.900231][ T115] x64_sys_call+0x1567/0x1570 [ 52.900234][ T115] do_syscall_64+0xff/0x530 [ 52.900238][ T115] ? exc_page_fault+0xee/0x100 [ 52.900241][ T115] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 52.900244][ T115] RIP: 0033:0x7efed33fd1b8 [ 52.900246][ T115] Code: Unable to access opcode bytes at 0x7efed33fd18e. [ 52.900247][ T115] RSP: 002b:00007ffcfafe01e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.900249][ T115] RAX: ffffffffffffffda RBX: 00007efed352df88 RCX: 00007efed33fd1b8 [ 52.900250][ T115] RDX: 00007efed333aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 52.900251][ T115] RBP: 00007ffcfafe0240 R08: 0000000000000000 R09: 0000000000000020 [ 52.900252][ T115] R10: 00007ffcfafe0080 R11: 0000000000000246 R12: 0000000000000001 [ 52.900253][ T115] R13: 0000000000000000 R14: 00007efed352c680 R15: 00007efed352dfa0 [ 52.900260][ T115] [ 53.011057][ T110] su (110) used greatest stack depth: 24104 bytes left