[ 10.323352][ T214] ip (214) used greatest stack depth: 24240 bytes left [ 10.323367][ T214] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.323369][ T214] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 214, name: ip [ 10.323370][ T214] preempt_count: 2, expected: 0 [ 10.323371][ T214] RCU nest depth: 0, expected: 0 [ 10.323372][ T214] locks held by ip/214: 5, last CPU#0: [ 10.323374][ T214] #0: ffffffff9fe167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.323386][ T214] #1: ffffffff9ff7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.323390][ T214] #2: ffffffff9ff7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.323395][ T214] #3: ffffffff9fe9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.323398][ T214] #4: ffffffff9fe9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.323402][ T214] irq event stamp: 24680 [ 10.323403][ T214] hardirqs last enabled at (24679): [] __down_trylock_console_sem+0x86/0xa0 [ 10.323406][ T214] hardirqs last disabled at (24680): [] console_emit_next_record+0x3d4/0x4c0 [ 10.323408][ T214] softirqs last enabled at (23388): [] netlink_release+0x17b/0xcf0 [ 10.323412][ T214] softirqs last disabled at (23386): [] netlink_release+0xd2/0xcf0 [ 10.323414][ T214] Preemption disabled at: [ 10.323415][ T214] [<0000000000000000>] 0x0 [ 10.323422][ T214] CPU: 0 UID: 0 PID: 214 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.323425][ T214] Tainted: [W]=WARN [ 10.323427][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.323428][ T214] Call Trace: [ 10.323430][ T214] [ 10.323431][ T214] dump_stack_lvl+0x6f/0xa0 [ 10.323438][ T214] __might_resched.cold+0x1fe/0x2c1 [ 10.323442][ T214] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.323446][ T214] ? __kmalloc_noprof+0xdb/0x760 [ 10.323450][ T214] __kmalloc_noprof+0x443/0x760 [ 10.323452][ T214] ? alloc_buf.isra.0+0x4b/0x260 [ 10.323458][ T214] ? do_raw_spin_unlock+0x59/0x250 [ 10.323461][ T214] alloc_buf.isra.0+0x4b/0x260 [ 10.323465][ T214] put_chars+0x1e1/0x2f0 [ 10.323467][ T214] ? __send_to_port+0x420/0x420 [ 10.323468][ T214] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.323472][ T214] ? validate_chain+0x38b/0xc20 [ 10.323477][ T214] hvc_console_print+0x292/0x780 [ 10.323484][ T214] ? hvc_write+0x3a0/0x3a0 [ 10.323487][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.323489][ T214] ? lock_acquire+0x13c/0x160 [ 10.323493][ T214] console_emit_next_record+0x22f/0x4c0 [ 10.323497][ T214] ? devkmsg_read+0x4b0/0x4b0 [ 10.323499][ T214] ? console_flush_one_record+0x106/0x710 [ 10.323502][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.323503][ T214] ? lock_acquire+0x13c/0x160 [ 10.323507][ T214] console_flush_one_record+0x46f/0x710 [ 10.323511][ T214] ? console_emit_next_record+0x4c0/0x4c0 [ 10.323513][ T214] ? __lock_acquire+0x518/0xc20 [ 10.323518][ T214] console_unlock+0xee/0x1f0 [ 10.323521][ T214] ? console_flush_one_record+0x710/0x710 [ 10.323523][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.323524][ T214] ? lock_acquire+0xe0/0x160 [ 10.323528][ T214] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.323530][ T214] ? vprintk_emit+0x320/0x3e0 [ 10.323532][ T214] vprintk_emit+0x37c/0x3e0 [ 10.323535][ T214] ? wake_up_klogd_work_func+0x90/0x90 [ 10.323538][ T214] ? __lock_acquire+0x518/0xc20 [ 10.323542][ T214] _printk+0xc7/0x100 [ 10.323546][ T214] ? snapshot_read.cold+0x21/0x21 [ 10.323548][ T214] ? do_raw_spin_lock+0x131/0x280 [ 10.323551][ T214] ? __rwlock_init+0x150/0x150 [ 10.323555][ T214] ? do_raw_spin_lock+0x131/0x280 [ 10.323557][ T214] do_exit.cold+0x82/0x9c [ 10.323561][ T214] ? exit_notify+0x890/0x890 [ 10.323562][ T214] ? __lock_release.isra.0+0x69/0x1a0 [ 10.323565][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.323568][ T214] do_group_exit+0xb8/0x370 [ 10.323571][ T214] __x64_sys_exit_group+0x3c/0x50 [ 10.323573][ T214] x64_sys_call+0x1567/0x1570 [ 10.323575][ T214] do_syscall_64+0xff/0x530 [ 10.323580][ T214] ? exc_page_fault+0xee/0x100 [ 10.323583][ T214] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.323584][ T214] RIP: 0033:0x7f8155b2e1b8 [ 10.323587][ T214] Code: Unable to access opcode bytes at 0x7f8155b2e18e. [ 10.323588][ T214] RSP: 002b:00007fffa11a2668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.323590][ T214] RAX: ffffffffffffffda RBX: 00007f8155c5ef88 RCX: 00007f8155b2e1b8 [ 10.323591][ T214] RDX: 00007f8155878fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.323592][ T214] RBP: 00007fffa11a26c0 R08: 0000000000000000 R09: 0000000000000060 [ 10.323593][ T214] R10: 00007fffa11a2480 R11: 0000000000000246 R12: 0000000000000001 [ 10.323594][ T214] R13: 0000000000000000 R14: 00007f8155c5d680 R15: 00007f8155c5efa0 [ 10.323600][ T214]