[ 10.233005][ T194] ip (194) used greatest stack depth: 24072 bytes left [ 10.233025][ T194] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.233027][ T194] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 194, name: ip [ 10.233028][ T194] preempt_count: 2, expected: 0 [ 10.233029][ T194] RCU nest depth: 0, expected: 0 [ 10.233030][ T194] locks held by ip/194: 5, last CPU#1: [ 10.233032][ T194] #0: ffffffff8d2167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.233044][ T194] #1: ffffffff8d37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.233048][ T194] #2: ffffffff8d37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.233053][ T194] #3: ffffffff8d29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.233057][ T194] #4: ffffffff8d29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.233061][ T194] irq event stamp: 22252 [ 10.233062][ T194] hardirqs last enabled at (22251): [] __down_trylock_console_sem+0x86/0xa0 [ 10.233065][ T194] hardirqs last disabled at (22252): [] console_emit_next_record+0x3d4/0x4c0 [ 10.233067][ T194] softirqs last enabled at (21700): [] handle_softirqs+0x67c/0x900 [ 10.233069][ T194] softirqs last disabled at (21695): [] __irq_exit_rcu+0x145/0x1c0 [ 10.233072][ T194] Preemption disabled at: [ 10.233072][ T194] [<0000000000000000>] 0x0 [ 10.233079][ T194] CPU: 1 UID: 0 PID: 194 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.233082][ T194] Tainted: [W]=WARN [ 10.233083][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.233085][ T194] Call Trace: [ 10.233086][ T194] [ 10.233088][ T194] dump_stack_lvl+0x6f/0xa0 [ 10.233095][ T194] __might_resched.cold+0x1fe/0x2c1 [ 10.233099][ T194] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.233103][ T194] ? __kmalloc_noprof+0xdb/0x760 [ 10.233107][ T194] __kmalloc_noprof+0x443/0x760 [ 10.233109][ T194] ? alloc_buf.isra.0+0x4b/0x260 [ 10.233116][ T194] ? do_raw_spin_unlock+0x59/0x250 [ 10.233119][ T194] alloc_buf.isra.0+0x4b/0x260 [ 10.233123][ T194] put_chars+0x1e1/0x2f0 [ 10.233126][ T194] ? __send_to_port+0x420/0x420 [ 10.233127][ T194] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.233131][ T194] ? validate_chain+0x38b/0xc20 [ 10.233136][ T194] hvc_console_print+0x292/0x780 [ 10.233144][ T194] ? hvc_write+0x3a0/0x3a0 [ 10.233146][ T194] ? rcu_is_watching+0x16/0xd0 [ 10.233149][ T194] ? lock_acquire+0x13c/0x160 [ 10.233153][ T194] console_emit_next_record+0x22f/0x4c0 [ 10.233157][ T194] ? devkmsg_read+0x4b0/0x4b0 [ 10.233159][ T194] ? console_flush_one_record+0x106/0x710 [ 10.233162][ T194] ? rcu_is_watching+0x16/0xd0 [ 10.233164][ T194] ? lock_acquire+0x13c/0x160 [ 10.233168][ T194] console_flush_one_record+0x46f/0x710 [ 10.233172][ T194] ? console_emit_next_record+0x4c0/0x4c0 [ 10.233174][ T194] ? __lock_acquire+0x518/0xc20 [ 10.233180][ T194] console_unlock+0xee/0x1f0 [ 10.233183][ T194] ? console_flush_one_record+0x710/0x710 [ 10.233192][ T194] ? rcu_is_watching+0x16/0xd0 [ 10.233194][ T194] ? lock_acquire+0xe0/0x160 [ 10.233198][ T194] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.233200][ T194] ? vprintk_emit+0x320/0x3e0 [ 10.233203][ T194] vprintk_emit+0x37c/0x3e0 [ 10.233206][ T194] ? wake_up_klogd_work_func+0x90/0x90 [ 10.233209][ T194] ? __lock_acquire+0x518/0xc20 [ 10.233213][ T194] _printk+0xc7/0x100 [ 10.233217][ T194] ? snapshot_read.cold+0x21/0x21 [ 10.233220][ T194] ? do_raw_spin_lock+0x131/0x280 [ 10.233222][ T194] ? __rwlock_init+0x150/0x150 [ 10.233226][ T194] ? do_raw_spin_lock+0x131/0x280 [ 10.233229][ T194] do_exit.cold+0x82/0x9c [ 10.233233][ T194] ? exit_notify+0x890/0x890 [ 10.233234][ T194] ? __lock_release.isra.0+0x69/0x1a0 [ 10.233237][ T194] ? rcu_is_watching+0x16/0xd0 [ 10.233241][ T194] do_group_exit+0xb8/0x370 [ 10.233244][ T194] __x64_sys_exit_group+0x3c/0x50 [ 10.233246][ T194] x64_sys_call+0x1567/0x1570 [ 10.233248][ T194] do_syscall_64+0xff/0x530 [ 10.233252][ T194] ? exc_page_fault+0xee/0x100 [ 10.233255][ T194] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.233257][ T194] RIP: 0033:0x7fa0f7d871b8 [ 10.233260][ T194] Code: Unable to access opcode bytes at 0x7fa0f7d8718e. [ 10.233261][ T194] RSP: 002b:00007ffcecb3e1a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.233263][ T194] RAX: ffffffffffffffda RBX: 00007fa0f7eb7f88 RCX: 00007fa0f7d871b8 [ 10.233264][ T194] RDX: 00007fa0f7ad1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.233265][ T194] RBP: 00007ffcecb3e200 R08: 0000000000000000 R09: 0000000000000050 [ 10.233266][ T194] R10: 00007ffcecb3dfc0 R11: 0000000000000246 R12: 0000000000000001 [ 10.233267][ T194] R13: 0000000000000000 R14: 00007fa0f7eb6680 R15: 00007fa0f7eb7fa0 [ 10.233274][ T194]