[ 9.428932][ T195] ip (195) used greatest stack depth: 23864 bytes left [ 9.428947][ T195] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.428949][ T195] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 195, name: ip [ 9.428950][ T195] preempt_count: 2, expected: 0 [ 9.428951][ T195] RCU nest depth: 0, expected: 0 [ 9.428952][ T195] locks held by ip/195: 5, last CPU#1: [ 9.428954][ T195] #0: ffffffff9cc167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.428964][ T195] #1: ffffffff9cd7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.428969][ T195] #2: ffffffff9cd7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.428973][ T195] #3: ffffffff9cc9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.428977][ T195] #4: ffffffff9cc9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.428981][ T195] irq event stamp: 20852 [ 9.428982][ T195] hardirqs last enabled at (20851): [] __down_trylock_console_sem+0x86/0xa0 [ 9.428985][ T195] hardirqs last disabled at (20852): [] console_emit_next_record+0x3d4/0x4c0 [ 9.428987][ T195] softirqs last enabled at (20556): [] handle_softirqs+0x67c/0x900 [ 9.428989][ T195] softirqs last disabled at (20551): [] __irq_exit_rcu+0x145/0x1c0 [ 9.428991][ T195] Preemption disabled at: [ 9.428992][ T195] [<0000000000000000>] 0x0 [ 9.428998][ T195] CPU: 1 UID: 0 PID: 195 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.429001][ T195] Tainted: [W]=WARN [ 9.429002][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.429004][ T195] Call Trace: [ 9.429005][ T195] [ 9.429006][ T195] dump_stack_lvl+0x6f/0xa0 [ 9.429013][ T195] __might_resched.cold+0x1fe/0x2c1 [ 9.429017][ T195] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.429021][ T195] ? __kmalloc_noprof+0xdb/0x760 [ 9.429025][ T195] __kmalloc_noprof+0x443/0x760 [ 9.429027][ T195] ? alloc_buf.isra.0+0x4b/0x260 [ 9.429034][ T195] ? do_raw_spin_unlock+0x59/0x250 [ 9.429037][ T195] alloc_buf.isra.0+0x4b/0x260 [ 9.429040][ T195] put_chars+0x1e1/0x2f0 [ 9.429043][ T195] ? __send_to_port+0x420/0x420 [ 9.429044][ T195] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.429048][ T195] ? validate_chain+0x38b/0xc20 [ 9.429053][ T195] hvc_console_print+0x292/0x780 [ 9.429061][ T195] ? hvc_write+0x3a0/0x3a0 [ 9.429063][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.429065][ T195] ? lock_acquire+0x13c/0x160 [ 9.429069][ T195] console_emit_next_record+0x22f/0x4c0 [ 9.429073][ T195] ? devkmsg_read+0x4b0/0x4b0 [ 9.429074][ T195] ? console_flush_one_record+0x106/0x710 [ 9.429078][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.429079][ T195] ? lock_acquire+0x13c/0x160 [ 9.429083][ T195] console_flush_one_record+0x46f/0x710 [ 9.429087][ T195] ? console_emit_next_record+0x4c0/0x4c0 [ 9.429089][ T195] ? __lock_acquire+0x518/0xc20 [ 9.429094][ T195] console_unlock+0xee/0x1f0 [ 9.429097][ T195] ? console_flush_one_record+0x710/0x710 [ 9.429099][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.429100][ T195] ? lock_acquire+0xe0/0x160 [ 9.429104][ T195] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.429106][ T195] ? vprintk_emit+0x320/0x3e0 [ 9.429108][ T195] vprintk_emit+0x37c/0x3e0 [ 9.429111][ T195] ? wake_up_klogd_work_func+0x90/0x90 [ 9.429114][ T195] ? __lock_acquire+0x518/0xc20 [ 9.429117][ T195] _printk+0xc7/0x100 [ 9.429121][ T195] ? snapshot_read.cold+0x21/0x21 [ 9.429124][ T195] ? do_raw_spin_lock+0x131/0x280 [ 9.429126][ T195] ? __rwlock_init+0x150/0x150 [ 9.429130][ T195] ? do_raw_spin_lock+0x131/0x280 [ 9.429133][ T195] do_exit.cold+0x82/0x9c [ 9.429136][ T195] ? exit_notify+0x890/0x890 [ 9.429138][ T195] ? __lock_release.isra.0+0x69/0x1a0 [ 9.429140][ T195] ? rcu_is_watching+0x16/0xd0 [ 9.429144][ T195] do_group_exit+0xb8/0x370 [ 9.429147][ T195] __x64_sys_exit_group+0x3c/0x50 [ 9.429148][ T195] x64_sys_call+0x1567/0x1570 [ 9.429151][ T195] do_syscall_64+0xff/0x530 [ 9.429155][ T195] ? exc_page_fault+0xee/0x100 [ 9.429158][ T195] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.429160][ T195] RIP: 0033:0x7ffbfce091b8 [ 9.429162][ T195] Code: Unable to access opcode bytes at 0x7ffbfce0918e. [ 9.429163][ T195] RSP: 002b:00007fff04be0a98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.429165][ T195] RAX: ffffffffffffffda RBX: 00007ffbfcf39f88 RCX: 00007ffbfce091b8 [ 9.429166][ T195] RDX: 00007ffbfcb53fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.429167][ T195] RBP: 00007fff04be0af0 R08: 0000000000000000 R09: 0000000000000050 [ 9.429168][ T195] R10: 00007fff04be08b0 R11: 0000000000000246 R12: 0000000000000001 [ 9.429169][ T195] R13: 0000000000000000 R14: 00007ffbfcf38680 R15: 00007ffbfcf39fa0 [ 9.429175][ T195]