[ 9.465261][ T192] ip (192) used greatest stack depth: 24192 bytes left [ 9.465277][ T192] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.465279][ T192] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 192, name: ip [ 9.465280][ T192] preempt_count: 2, expected: 0 [ 9.465281][ T192] RCU nest depth: 0, expected: 0 [ 9.465282][ T192] locks held by ip/192: 5, last CPU#0: [ 9.465285][ T192] #0: ffffffff9f4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.465297][ T192] #1: ffffffff9f569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.465304][ T192] #2: ffffffff9f569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.465308][ T192] #3: ffffffff9f489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.465312][ T192] #4: ffffffff9f489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.465316][ T192] irq event stamp: 33686 [ 9.465317][ T192] hardirqs last enabled at (33685): [] __down_trylock_console_sem+0x86/0xa0 [ 9.465319][ T192] hardirqs last disabled at (33686): [] console_emit_next_record+0x3d4/0x4c0 [ 9.465322][ T192] softirqs last enabled at (33058): [] handle_softirqs+0x67c/0x900 [ 9.465323][ T192] softirqs last disabled at (33051): [] __irq_exit_rcu+0x145/0x1c0 [ 9.465326][ T192] Preemption disabled at: [ 9.465326][ T192] [<0000000000000000>] 0x0 [ 9.465333][ T192] CPU: 0 UID: 0 PID: 192 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.465337][ T192] Tainted: [W]=WARN [ 9.465338][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.465340][ T192] Call Trace: [ 9.465342][ T192] [ 9.465343][ T192] dump_stack_lvl+0x6f/0xa0 [ 9.465349][ T192] __might_resched.cold+0x1fe/0x2c1 [ 9.465357][ T192] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.465361][ T192] ? __kmalloc_noprof+0xdb/0x760 [ 9.465366][ T192] __kmalloc_noprof+0x443/0x760 [ 9.465369][ T192] ? alloc_buf.isra.0+0x4b/0x260 [ 9.465376][ T192] ? do_raw_spin_unlock+0x59/0x250 [ 9.465378][ T192] alloc_buf.isra.0+0x4b/0x260 [ 9.465382][ T192] put_chars+0x1e1/0x2f0 [ 9.465384][ T192] ? __send_to_port+0x420/0x420 [ 9.465386][ T192] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.465391][ T192] ? validate_chain+0x38b/0xc20 [ 9.465396][ T192] hvc_console_print+0x292/0x780 [ 9.465402][ T192] ? hvc_write+0x3a0/0x3a0 [ 9.465405][ T192] ? rcu_is_watching+0x16/0xd0 [ 9.465407][ T192] ? lock_acquire+0x13c/0x160 [ 9.465411][ T192] console_emit_next_record+0x22f/0x4c0 [ 9.465415][ T192] ? devkmsg_read+0x4b0/0x4b0 [ 9.465417][ T192] ? console_flush_one_record+0x106/0x710 [ 9.465420][ T192] ? rcu_is_watching+0x16/0xd0 [ 9.465423][ T192] ? lock_acquire+0x13c/0x160 [ 9.465427][ T192] console_flush_one_record+0x46f/0x710 [ 9.465431][ T192] ? console_emit_next_record+0x4c0/0x4c0 [ 9.465433][ T192] ? __lock_acquire+0x518/0xc20 [ 9.465438][ T192] console_unlock+0xee/0x1f0 [ 9.465441][ T192] ? console_flush_one_record+0x710/0x710 [ 9.465443][ T192] ? rcu_is_watching+0x16/0xd0 [ 9.465445][ T192] ? lock_acquire+0x60/0x160 [ 9.465449][ T192] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.465450][ T192] ? vprintk_emit+0x320/0x3e0 [ 9.465454][ T192] vprintk_emit+0x37c/0x3e0 [ 9.465458][ T192] ? wake_up_klogd_work_func+0x90/0x90 [ 9.465461][ T192] ? __lock_acquire+0x518/0xc20 [ 9.465465][ T192] _printk+0xc7/0x100 [ 9.465469][ T192] ? snapshot_read.cold+0x21/0x21 [ 9.465478][ T192] ? do_raw_spin_lock+0x131/0x280 [ 9.465481][ T192] ? __rwlock_init+0x150/0x150 [ 9.465484][ T192] ? do_raw_spin_lock+0x131/0x280 [ 9.465487][ T192] do_exit.cold+0x82/0x9c [ 9.465491][ T192] ? exit_notify+0x890/0x890 [ 9.465493][ T192] ? __lock_release.isra.0+0x69/0x1a0 [ 9.465496][ T192] ? rcu_is_watching+0x16/0xd0 [ 9.465500][ T192] do_group_exit+0xb8/0x370 [ 9.465503][ T192] __x64_sys_exit_group+0x3c/0x50 [ 9.465505][ T192] x64_sys_call+0x1567/0x1570 [ 9.465507][ T192] do_syscall_64+0xff/0x530 [ 9.465510][ T192] ? exc_page_fault+0xee/0x100 [ 9.465513][ T192] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.465516][ T192] RIP: 0033:0x7f1df7ed31b8 [ 9.465518][ T192] Code: Unable to access opcode bytes at 0x7f1df7ed318e. [ 9.465519][ T192] RSP: 002b:00007ffd403e8738 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.465522][ T192] RAX: ffffffffffffffda RBX: 00007f1df8003f88 RCX: 00007f1df7ed31b8 [ 9.465523][ T192] RDX: 00007f1df7c1dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.465524][ T192] RBP: 00007ffd403e8790 R08: 0000000000000000 R09: 0000000000008010 [ 9.465525][ T192] R10: 00007ffd403e8550 R11: 0000000000000246 R12: 0000000000000001 [ 9.465526][ T192] R13: 0000000000000000 R14: 00007f1df8002680 R15: 00007f1df8003fa0 [ 9.465533][ T192]