[ 9.344509][ T202] ip (202) used greatest stack depth: 23880 bytes left [ 9.344526][ T202] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.344528][ T202] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 202, name: ip [ 9.344529][ T202] preempt_count: 2, expected: 0 [ 9.344530][ T202] RCU nest depth: 0, expected: 0 [ 9.344531][ T202] locks held by ip/202: 5, last CPU#3: [ 9.344533][ T202] #0: ffffffffac8167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.344544][ T202] #1: ffffffffac97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.344549][ T202] #2: ffffffffac97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.344553][ T202] #3: ffffffffac89d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.344557][ T202] #4: ffffffffac89d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.344561][ T202] irq event stamp: 39254 [ 9.344561][ T202] hardirqs last enabled at (39253): [] __down_trylock_console_sem+0x86/0xa0 [ 9.344564][ T202] hardirqs last disabled at (39254): [] console_emit_next_record+0x3d4/0x4c0 [ 9.344566][ T202] softirqs last enabled at (38966): [] handle_softirqs+0x67c/0x900 [ 9.344569][ T202] softirqs last disabled at (38961): [] __irq_exit_rcu+0x145/0x1c0 [ 9.344571][ T202] Preemption disabled at: [ 9.344572][ T202] [<0000000000000000>] 0x0 [ 9.344578][ T202] CPU: 3 UID: 0 PID: 202 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.344582][ T202] Tainted: [W]=WARN [ 9.344583][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.344584][ T202] Call Trace: [ 9.344586][ T202] [ 9.344587][ T202] dump_stack_lvl+0x6f/0xa0 [ 9.344594][ T202] __might_resched.cold+0x1fe/0x2c1 [ 9.344598][ T202] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.344605][ T202] ? __kmalloc_noprof+0xdb/0x760 [ 9.344610][ T202] __kmalloc_noprof+0x443/0x760 [ 9.344612][ T202] ? alloc_buf.isra.0+0x4b/0x260 [ 9.344618][ T202] ? do_raw_spin_unlock+0x59/0x250 [ 9.344621][ T202] alloc_buf.isra.0+0x4b/0x260 [ 9.344625][ T202] put_chars+0x1e1/0x2f0 [ 9.344627][ T202] ? __send_to_port+0x420/0x420 [ 9.344628][ T202] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.344632][ T202] ? validate_chain+0x38b/0xc20 [ 9.344637][ T202] hvc_console_print+0x292/0x780 [ 9.344645][ T202] ? hvc_write+0x3a0/0x3a0 [ 9.344647][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.344649][ T202] ? lock_acquire+0x13c/0x160 [ 9.344653][ T202] console_emit_next_record+0x22f/0x4c0 [ 9.344657][ T202] ? devkmsg_read+0x4b0/0x4b0 [ 9.344659][ T202] ? console_flush_one_record+0x106/0x710 [ 9.344662][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.344664][ T202] ? lock_acquire+0x13c/0x160 [ 9.344668][ T202] console_flush_one_record+0x46f/0x710 [ 9.344672][ T202] ? console_emit_next_record+0x4c0/0x4c0 [ 9.344674][ T202] ? __lock_acquire+0x518/0xc20 [ 9.344679][ T202] console_unlock+0xee/0x1f0 [ 9.344682][ T202] ? console_flush_one_record+0x710/0x710 [ 9.344683][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.344685][ T202] ? lock_acquire+0xe0/0x160 [ 9.344689][ T202] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.344690][ T202] ? vprintk_emit+0x320/0x3e0 [ 9.344693][ T202] vprintk_emit+0x37c/0x3e0 [ 9.344696][ T202] ? wake_up_klogd_work_func+0x90/0x90 [ 9.344699][ T202] ? __lock_acquire+0x518/0xc20 [ 9.344703][ T202] _printk+0xc7/0x100 [ 9.344706][ T202] ? snapshot_read.cold+0x21/0x21 [ 9.344709][ T202] ? do_raw_spin_lock+0x131/0x280 [ 9.344712][ T202] ? __rwlock_init+0x150/0x150 [ 9.344715][ T202] ? do_raw_spin_lock+0x131/0x280 [ 9.344718][ T202] do_exit.cold+0x82/0x9c [ 9.344722][ T202] ? exit_notify+0x890/0x890 [ 9.344723][ T202] ? __lock_release.isra.0+0x69/0x1a0 [ 9.344726][ T202] ? rcu_is_watching+0x16/0xd0 [ 9.344729][ T202] do_group_exit+0xb8/0x370 [ 9.344732][ T202] __x64_sys_exit_group+0x3c/0x50 [ 9.344734][ T202] x64_sys_call+0x1567/0x1570 [ 9.344736][ T202] do_syscall_64+0xff/0x530 [ 9.344740][ T202] ? exc_page_fault+0xee/0x100 [ 9.344743][ T202] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.344745][ T202] RIP: 0033:0x7f6f9ef191b8 [ 9.344747][ T202] Code: Unable to access opcode bytes at 0x7f6f9ef1918e. [ 9.344748][ T202] RSP: 002b:00007fff17ee2728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.344751][ T202] RAX: ffffffffffffffda RBX: 00007f6f9f049f88 RCX: 00007f6f9ef191b8 [ 9.344752][ T202] RDX: 00007f6f9ec63fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.344753][ T202] RBP: 00007fff17ee2780 R08: 0000000000000000 R09: 0000000000000050 [ 9.344754][ T202] R10: 00007fff17ee2540 R11: 0000000000000246 R12: 0000000000000001 [ 9.344754][ T202] R13: 0000000000000000 R14: 00007f6f9f048680 R15: 00007f6f9f049fa0 [ 9.344761][ T202]