[ 10.649206][ T188] ip (188) used greatest stack depth: 23872 bytes left [ 10.649225][ T188] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.649227][ T188] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 188, name: ip [ 10.649229][ T188] preempt_count: 2, expected: 0 [ 10.649230][ T188] RCU nest depth: 0, expected: 0 [ 10.649231][ T188] locks held by ip/188: 5, last CPU#3: [ 10.649233][ T188] #0: ffffffff896027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.649247][ T188] #1: ffffffff89769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.649253][ T188] #2: ffffffff89769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.649260][ T188] #3: ffffffff89689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.649264][ T188] #4: ffffffff89689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.649268][ T188] irq event stamp: 35530 [ 10.649269][ T188] hardirqs last enabled at (35529): [] __down_trylock_console_sem+0x86/0xa0 [ 10.649272][ T188] hardirqs last disabled at (35530): [] console_emit_next_record+0x3d4/0x4c0 [ 10.649274][ T188] softirqs last enabled at (34996): [] handle_softirqs+0x67c/0x900 [ 10.649276][ T188] softirqs last disabled at (34987): [] __irq_exit_rcu+0x145/0x1c0 [ 10.649278][ T188] Preemption disabled at: [ 10.649279][ T188] [<0000000000000000>] 0x0 [ 10.649286][ T188] CPU: 3 UID: 0 PID: 188 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.649290][ T188] Tainted: [W]=WARN [ 10.649291][ T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.649293][ T188] Call Trace: [ 10.649294][ T188] [ 10.649296][ T188] dump_stack_lvl+0x6f/0xa0 [ 10.649302][ T188] __might_resched.cold+0x1fe/0x2c1 [ 10.649307][ T188] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.649311][ T188] ? __kmalloc_noprof+0xdb/0x760 [ 10.649316][ T188] __kmalloc_noprof+0x443/0x760 [ 10.649318][ T188] ? alloc_buf.isra.0+0x4b/0x260 [ 10.649324][ T188] ? do_raw_spin_unlock+0x59/0x250 [ 10.649327][ T188] alloc_buf.isra.0+0x4b/0x260 [ 10.649330][ T188] put_chars+0x1e1/0x2f0 [ 10.649333][ T188] ? __send_to_port+0x420/0x420 [ 10.649335][ T188] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.649340][ T188] ? validate_chain+0x38b/0xc20 [ 10.649345][ T188] hvc_console_print+0x292/0x780 [ 10.649352][ T188] ? hvc_write+0x3a0/0x3a0 [ 10.649354][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.649356][ T188] ? lock_acquire+0x13c/0x160 [ 10.649360][ T188] console_emit_next_record+0x22f/0x4c0 [ 10.649364][ T188] ? devkmsg_read+0x4b0/0x4b0 [ 10.649366][ T188] ? console_flush_one_record+0x106/0x710 [ 10.649369][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.649372][ T188] ? lock_acquire+0x13c/0x160 [ 10.649376][ T188] console_flush_one_record+0x46f/0x710 [ 10.649380][ T188] ? console_emit_next_record+0x4c0/0x4c0 [ 10.649382][ T188] ? __lock_acquire+0x518/0xc20 [ 10.649387][ T188] console_unlock+0xee/0x1f0 [ 10.649390][ T188] ? console_flush_one_record+0x710/0x710 [ 10.649392][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.649394][ T188] ? lock_acquire+0x60/0x160 [ 10.649398][ T188] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.649400][ T188] ? vprintk_emit+0x320/0x3e0 [ 10.649403][ T188] vprintk_emit+0x37c/0x3e0 [ 10.649407][ T188] ? wake_up_klogd_work_func+0x90/0x90 [ 10.649411][ T188] ? __lock_acquire+0x518/0xc20 [ 10.649415][ T188] _printk+0xc7/0x100 [ 10.649418][ T188] ? snapshot_read.cold+0x21/0x21 [ 10.649421][ T188] ? do_raw_spin_lock+0x131/0x280 [ 10.649424][ T188] ? __rwlock_init+0x150/0x150 [ 10.649428][ T188] ? do_raw_spin_lock+0x131/0x280 [ 10.649430][ T188] do_exit.cold+0x82/0x9c [ 10.649434][ T188] ? exit_notify+0x890/0x890 [ 10.649436][ T188] ? __lock_release.isra.0+0x69/0x1a0 [ 10.649439][ T188] ? rcu_is_watching+0x16/0xd0 [ 10.649443][ T188] do_group_exit+0xb8/0x370 [ 10.649446][ T188] __x64_sys_exit_group+0x3c/0x50 [ 10.649448][ T188] x64_sys_call+0x1567/0x1570 [ 10.649450][ T188] do_syscall_64+0xff/0x530 [ 10.649454][ T188] ? exc_page_fault+0xee/0x100 [ 10.649457][ T188] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.649459][ T188] RIP: 0033:0x7fe8bb4011b8 [ 10.649461][ T188] Code: Unable to access opcode bytes at 0x7fe8bb40118e. [ 10.649463][ T188] RSP: 002b:00007ffea01ef148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.649465][ T188] RAX: ffffffffffffffda RBX: 00007fe8bb531f88 RCX: 00007fe8bb4011b8 [ 10.649467][ T188] RDX: 00007fe8bb14bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.649468][ T188] RBP: 00007ffea01ef1a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.649468][ T188] R10: 00007ffea01eef60 R11: 0000000000000246 R12: 0000000000000001 [ 10.649469][ T188] R13: 0000000000000000 R14: 00007fe8bb530680 R15: 00007fe8bb531fa0 [ 10.649476][ T188]