[ 9.170607][ T176] ip (176) used greatest stack depth: 24424 bytes left [ 9.170622][ T176] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.170624][ T176] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 176, name: ip [ 9.170625][ T176] preempt_count: 2, expected: 0 [ 9.170626][ T176] RCU nest depth: 0, expected: 0 [ 9.170627][ T176] locks held by ip/176: 5, last CPU#0: [ 9.170629][ T176] #0: ffffffff8fc02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.170640][ T176] #1: ffffffff8fd6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.170645][ T176] #2: ffffffff8fd6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.170648][ T176] #3: ffffffff8fc89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.170652][ T176] #4: ffffffff8fc89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.170655][ T176] irq event stamp: 31270 [ 9.170656][ T176] hardirqs last enabled at (31269): [] __down_trylock_console_sem+0x86/0xa0 [ 9.170659][ T176] hardirqs last disabled at (31270): [] console_emit_next_record+0x3d4/0x4c0 [ 9.170661][ T176] softirqs last enabled at (30934): [] handle_softirqs+0x67c/0x900 [ 9.170663][ T176] softirqs last disabled at (30925): [] __irq_exit_rcu+0x145/0x1c0 [ 9.170665][ T176] Preemption disabled at: [ 9.170666][ T176] [<0000000000000000>] 0x0 [ 9.170672][ T176] CPU: 0 UID: 0 PID: 176 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.170675][ T176] Tainted: [W]=WARN [ 9.170676][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.170678][ T176] Call Trace: [ 9.170680][ T176] [ 9.170681][ T176] dump_stack_lvl+0x6f/0xa0 [ 9.170687][ T176] __might_resched.cold+0x1fe/0x2c1 [ 9.170691][ T176] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.170694][ T176] ? __kmalloc_noprof+0xdb/0x760 [ 9.170699][ T176] __kmalloc_noprof+0x443/0x760 [ 9.170702][ T176] ? alloc_buf.isra.0+0x4b/0x260 [ 9.170708][ T176] ? do_raw_spin_unlock+0x59/0x250 [ 9.170711][ T176] alloc_buf.isra.0+0x4b/0x260 [ 9.170714][ T176] put_chars+0x1e1/0x2f0 [ 9.170717][ T176] ? __send_to_port+0x420/0x420 [ 9.170723][ T176] hvc_console_print+0x292/0x780 [ 9.170730][ T176] ? hvc_write+0x3a0/0x3a0 [ 9.170732][ T176] ? lock_acquire+0x13c/0x160 [ 9.170737][ T176] console_emit_next_record+0x22f/0x4c0 [ 9.170740][ T176] ? devkmsg_read+0x4b0/0x4b0 [ 9.170741][ T176] ? console_flush_one_record+0x106/0x710 [ 9.170744][ T176] ? rcu_is_watching+0x16/0xd0 [ 9.170747][ T176] ? lock_acquire+0x13c/0x160 [ 9.170751][ T176] console_flush_one_record+0x46f/0x710 [ 9.170755][ T176] ? console_emit_next_record+0x4c0/0x4c0 [ 9.170756][ T176] ? __lock_acquire+0x518/0xc20 [ 9.170761][ T176] console_unlock+0xee/0x1f0 [ 9.170764][ T176] ? console_flush_one_record+0x710/0x710 [ 9.170765][ T176] ? rcu_is_watching+0x16/0xd0 [ 9.170767][ T176] ? lock_acquire+0x60/0x160 [ 9.170770][ T176] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.170772][ T176] ? vprintk_emit+0x320/0x3e0 [ 9.170775][ T176] vprintk_emit+0x37c/0x3e0 [ 9.170778][ T176] ? wake_up_klogd_work_func+0x90/0x90 [ 9.170781][ T176] ? __lock_acquire+0x518/0xc20 [ 9.170785][ T176] _printk+0xc7/0x100 [ 9.170789][ T176] ? snapshot_read.cold+0x21/0x21 [ 9.170791][ T176] ? do_raw_spin_lock+0x131/0x280 [ 9.170794][ T176] ? __rwlock_init+0x150/0x150 [ 9.170798][ T176] ? do_raw_spin_lock+0x131/0x280 [ 9.170801][ T176] do_exit.cold+0x82/0x9c [ 9.170804][ T176] ? exit_notify+0x890/0x890 [ 9.170806][ T176] ? __lock_release.isra.0+0x69/0x1a0 [ 9.170809][ T176] ? rcu_is_watching+0x16/0xd0 [ 9.170812][ T176] do_group_exit+0xb8/0x370 [ 9.170815][ T176] __x64_sys_exit_group+0x3c/0x50 [ 9.170817][ T176] x64_sys_call+0x1567/0x1570 [ 9.170820][ T176] do_syscall_64+0x10e/0x570 [ 9.170823][ T176] ? exc_page_fault+0xee/0x100 [ 9.170826][ T176] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.170829][ T176] RIP: 0033:0x7fd5d29731b8 [ 9.170831][ T176] Code: Unable to access opcode bytes at 0x7fd5d297318e. [ 9.170832][ T176] RSP: 002b:00007fff5dbbddb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.170834][ T176] RAX: ffffffffffffffda RBX: 00007fd5d2aa3f88 RCX: 00007fd5d29731b8 [ 9.170835][ T176] RDX: 00007fd5d26bdfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.170836][ T176] RBP: 00007fff5dbbde10 R08: 0000000000000000 R09: 0000000000000050 [ 9.170837][ T176] R10: 00007fff5dbbdbd0 R11: 0000000000000246 R12: 0000000000000001 [ 9.170838][ T176] R13: 0000000000000000 R14: 00007fd5d2aa2680 R15: 00007fd5d2aa3fa0 [ 9.170844][ T176] [ 9.345858][ T181] ip (181) used greatest stack depth: 24256 bytes left [ 9.519693][ T184] ip (184) used greatest stack depth: 24176 bytes left