[ 9.647413][ T211] ip (211) used greatest stack depth: 24552 bytes left [ 9.647429][ T211] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.647431][ T211] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 211, name: ip [ 9.647432][ T211] preempt_count: 2, expected: 0 [ 9.647433][ T211] RCU nest depth: 0, expected: 0 [ 9.647434][ T211] locks held by ip/211: 5, last CPU#2: [ 9.647436][ T211] #0: ffffffff88a167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.647447][ T211] #1: ffffffff88b7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.647454][ T211] #2: ffffffff88b7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.647458][ T211] #3: ffffffff88a9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.647462][ T211] #4: ffffffff88a9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.647465][ T211] irq event stamp: 26212 [ 9.647466][ T211] hardirqs last enabled at (26211): [] __down_trylock_console_sem+0x86/0xa0 [ 9.647470][ T211] hardirqs last disabled at (26212): [] console_emit_next_record+0x3d4/0x4c0 [ 9.647472][ T211] softirqs last enabled at (24836): [] handle_softirqs+0x67c/0x900 [ 9.647474][ T211] softirqs last disabled at (23133): [] __irq_exit_rcu+0x145/0x1c0 [ 9.647477][ T211] Preemption disabled at: [ 9.647477][ T211] [<0000000000000000>] 0x0 [ 9.647485][ T211] CPU: 2 UID: 0 PID: 211 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.647488][ T211] Tainted: [W]=WARN [ 9.647489][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.647490][ T211] Call Trace: [ 9.647492][ T211] [ 9.647493][ T211] dump_stack_lvl+0x6f/0xa0 [ 9.647499][ T211] __might_resched.cold+0x1fe/0x2c1 [ 9.647504][ T211] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.647508][ T211] ? __kmalloc_noprof+0xdb/0x760 [ 9.647512][ T211] __kmalloc_noprof+0x443/0x760 [ 9.647514][ T211] ? alloc_buf.isra.0+0x4b/0x260 [ 9.647521][ T211] ? do_raw_spin_unlock+0x59/0x250 [ 9.647523][ T211] alloc_buf.isra.0+0x4b/0x260 [ 9.647527][ T211] put_chars+0x1e1/0x2f0 [ 9.647529][ T211] ? __send_to_port+0x420/0x420 [ 9.647530][ T211] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.647534][ T211] ? validate_chain+0x38b/0xc20 [ 9.647539][ T211] hvc_console_print+0x292/0x780 [ 9.647547][ T211] ? hvc_write+0x3a0/0x3a0 [ 9.647549][ T211] ? rcu_is_watching+0x16/0xd0 [ 9.647551][ T211] ? lock_acquire+0x13c/0x160 [ 9.647555][ T211] console_emit_next_record+0x22f/0x4c0 [ 9.647559][ T211] ? devkmsg_read+0x4b0/0x4b0 [ 9.647561][ T211] ? console_flush_one_record+0x106/0x710 [ 9.647564][ T211] ? rcu_is_watching+0x16/0xd0 [ 9.647566][ T211] ? lock_acquire+0x13c/0x160 [ 9.647569][ T211] console_flush_one_record+0x46f/0x710 [ 9.647573][ T211] ? console_emit_next_record+0x4c0/0x4c0 [ 9.647575][ T211] ? __lock_acquire+0x518/0xc20 [ 9.647580][ T211] console_unlock+0xee/0x1f0 [ 9.647583][ T211] ? console_flush_one_record+0x710/0x710 [ 9.647585][ T211] ? rcu_is_watching+0x16/0xd0 [ 9.647587][ T211] ? lock_acquire+0xe0/0x160 [ 9.647590][ T211] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.647592][ T211] ? vprintk_emit+0x320/0x3e0 [ 9.647595][ T211] vprintk_emit+0x37c/0x3e0 [ 9.647598][ T211] ? wake_up_klogd_work_func+0x90/0x90 [ 9.647601][ T211] ? __lock_acquire+0x518/0xc20 [ 9.647604][ T211] _printk+0xc7/0x100 [ 9.647608][ T211] ? snapshot_read.cold+0x21/0x21 [ 9.647611][ T211] ? do_raw_spin_lock+0x131/0x280 [ 9.647614][ T211] ? __rwlock_init+0x150/0x150 [ 9.647617][ T211] ? do_raw_spin_lock+0x131/0x280 [ 9.647620][ T211] do_exit.cold+0x82/0x9c [ 9.647624][ T211] ? exit_notify+0x890/0x890 [ 9.647625][ T211] ? __lock_release.isra.0+0x69/0x1a0 [ 9.647628][ T211] ? rcu_is_watching+0x16/0xd0 [ 9.647631][ T211] do_group_exit+0xb8/0x370 [ 9.647634][ T211] __x64_sys_exit_group+0x3c/0x50 [ 9.647636][ T211] x64_sys_call+0x1567/0x1570 [ 9.647638][ T211] do_syscall_64+0xff/0x530 [ 9.647642][ T211] ? exc_page_fault+0xee/0x100 [ 9.647645][ T211] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.647647][ T211] RIP: 0033:0x7f7c474a81b8 [ 9.647649][ T211] Code: Unable to access opcode bytes at 0x7f7c474a818e. [ 9.647650][ T211] RSP: 002b:00007ffecb15f338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.647653][ T211] RAX: ffffffffffffffda RBX: 00007f7c475d8f88 RCX: 00007f7c474a81b8 [ 9.647654][ T211] RDX: 00007f7c471f2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.647655][ T211] RBP: 00007ffecb15f390 R08: 0000000000000000 R09: 0000000000000050 [ 9.647656][ T211] R10: 00007ffecb15f150 R11: 0000000000000246 R12: 0000000000000001 [ 9.647657][ T211] R13: 0000000000000000 R14: 00007f7c475d7680 R15: 00007f7c475d8fa0 [ 9.647663][ T211]