[ 10.149359][ T187] ip (187) used greatest stack depth: 24048 bytes left [ 10.149378][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.149381][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 10.149384][ T187] preempt_count: 2, expected: 0 [ 10.149385][ T187] RCU nest depth: 0, expected: 0 [ 10.149386][ T187] locks held by ip/187: 5, last CPU#0: [ 10.149389][ T187] #0: ffffffff99a027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.149405][ T187] #1: ffffffff99b69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.149413][ T187] #2: ffffffff99b69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.149419][ T187] #3: ffffffff99a89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.149425][ T187] #4: ffffffff99a89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.149431][ T187] irq event stamp: 41534 [ 10.149433][ T187] hardirqs last enabled at (41533): [] __down_trylock_console_sem+0x86/0xa0 [ 10.149436][ T187] hardirqs last disabled at (41534): [] console_emit_next_record+0x3d4/0x4c0 [ 10.149439][ T187] softirqs last enabled at (40248): [] netlink_release+0x17b/0xcf0 [ 10.149444][ T187] softirqs last disabled at (40246): [] netlink_release+0xd2/0xcf0 [ 10.149447][ T187] Preemption disabled at: [ 10.149448][ T187] [<0000000000000000>] 0x0 [ 10.149457][ T187] CPU: 0 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.149461][ T187] Tainted: [W]=WARN [ 10.149463][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.149465][ T187] Call Trace: [ 10.149468][ T187] [ 10.149470][ T187] dump_stack_lvl+0x6f/0xa0 [ 10.149478][ T187] __might_resched.cold+0x1fe/0x2c1 [ 10.149485][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.149490][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 10.149498][ T187] __kmalloc_noprof+0x443/0x760 [ 10.149502][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 10.149510][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 10.149514][ T187] alloc_buf.isra.0+0x4b/0x260 [ 10.149520][ T187] put_chars+0x1e1/0x2f0 [ 10.149524][ T187] ? __send_to_port+0x420/0x420 [ 10.149526][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.149533][ T187] ? validate_chain+0x38b/0xc20 [ 10.149542][ T187] hvc_console_print+0x292/0x780 [ 10.149553][ T187] ? hvc_write+0x3a0/0x3a0 [ 10.149557][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.149561][ T187] ? lock_acquire+0x13c/0x160 [ 10.149568][ T187] console_emit_next_record+0x22f/0x4c0 [ 10.149575][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 10.149577][ T187] ? console_flush_one_record+0x106/0x710 [ 10.149583][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.149587][ T187] ? lock_acquire+0x13c/0x160 [ 10.149594][ T187] console_flush_one_record+0x46f/0x710 [ 10.149601][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 10.149604][ T187] ? __lock_acquire+0x518/0xc20 [ 10.149613][ T187] console_unlock+0xee/0x1f0 [ 10.149618][ T187] ? console_flush_one_record+0x710/0x710 [ 10.149621][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.149625][ T187] ? lock_acquire+0x60/0x160 [ 10.149631][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.149634][ T187] ? vprintk_emit+0x320/0x3e0 [ 10.149640][ T187] vprintk_emit+0x37c/0x3e0 [ 10.149646][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 10.149652][ T187] ? __lock_acquire+0x518/0xc20 [ 10.149659][ T187] _printk+0xc7/0x100 [ 10.149664][ T187] ? snapshot_read.cold+0x21/0x21 [ 10.149669][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.149673][ T187] ? __rwlock_init+0x150/0x150 [ 10.149680][ T187] ? do_raw_spin_lock+0x131/0x280 [ 10.149684][ T187] do_exit.cold+0x82/0x9c [ 10.149689][ T187] ? exit_notify+0x890/0x890 [ 10.149693][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 10.149697][ T187] ? rcu_is_watching+0x16/0xd0 [ 10.149705][ T187] do_group_exit+0xb8/0x370 [ 10.149710][ T187] __x64_sys_exit_group+0x3c/0x50 [ 10.149713][ T187] x64_sys_call+0x1567/0x1570 [ 10.149716][ T187] do_syscall_64+0xff/0x530 [ 10.149720][ T187] ? exc_page_fault+0xee/0x100 [ 10.149725][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.149728][ T187] RIP: 0033:0x7f6360c481b8 [ 10.149731][ T187] Code: Unable to access opcode bytes at 0x7f6360c4818e. [ 10.149733][ T187] RSP: 002b:00007ffd19441718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.149736][ T187] RAX: ffffffffffffffda RBX: 00007f6360d78f88 RCX: 00007f6360c481b8 [ 10.149738][ T187] RDX: 00007f6360992fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.149740][ T187] RBP: 00007ffd19441770 R08: 0000000000000000 R09: 0000000000008010 [ 10.149741][ T187] R10: 00007ffd19441530 R11: 0000000000000246 R12: 0000000000000001 [ 10.149743][ T187] R13: 0000000000000000 R14: 00007f6360d77680 R15: 00007f6360d78fa0 [ 10.149762][ T187] [ 10.655104][ T210] systemd-sysctl (210) used greatest stack depth: 23904 bytes left