[ 12.925928][ T210] ip (210) used greatest stack depth: 24808 bytes left [ 12.925947][ T210] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.925950][ T210] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 210, name: ip [ 12.925951][ T210] preempt_count: 2, expected: 0 [ 12.925952][ T210] RCU nest depth: 0, expected: 0 [ 12.925953][ T210] locks held by ip/210: 5, last CPU#2: [ 12.925956][ T210] #0: ffffffff9ca027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.925969][ T210] #1: ffffffff9cb69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.925974][ T210] #2: ffffffff9cb69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.925977][ T210] #3: ffffffff9ca89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.925981][ T210] #4: ffffffff9ca89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.925984][ T210] irq event stamp: 23054 [ 12.925985][ T210] hardirqs last enabled at (23053): [] __down_trylock_console_sem+0x86/0xa0 [ 12.925989][ T210] hardirqs last disabled at (23054): [] console_emit_next_record+0x3d4/0x4c0 [ 12.925990][ T210] softirqs last enabled at (21746): [] netlink_release+0x17b/0xcf0 [ 12.925994][ T210] softirqs last disabled at (21744): [] netlink_release+0xd2/0xcf0 [ 12.925996][ T210] Preemption disabled at: [ 12.925997][ T210] [<0000000000000000>] 0x0 [ 12.926004][ T210] CPU: 2 UID: 0 PID: 210 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.926008][ T210] Tainted: [W]=WARN [ 12.926009][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.926010][ T210] Call Trace: [ 12.926012][ T210] [ 12.926013][ T210] dump_stack_lvl+0x6f/0xa0 [ 12.926018][ T210] __might_resched.cold+0x1fe/0x2c1 [ 12.926023][ T210] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.926026][ T210] ? __kmalloc_noprof+0xdb/0x760 [ 12.926031][ T210] __kmalloc_noprof+0x443/0x760 [ 12.926034][ T210] ? alloc_buf.isra.0+0x4b/0x260 [ 12.926039][ T210] ? do_raw_spin_unlock+0x59/0x250 [ 12.926042][ T210] alloc_buf.isra.0+0x4b/0x260 [ 12.926045][ T210] put_chars+0x1e1/0x2f0 [ 12.926048][ T210] ? __send_to_port+0x420/0x420 [ 12.926050][ T210] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.926054][ T210] ? validate_chain+0x38b/0xc20 [ 12.926059][ T210] hvc_console_print+0x292/0x780 [ 12.926066][ T210] ? hvc_write+0x3a0/0x3a0 [ 12.926068][ T210] ? rcu_is_watching+0x16/0xd0 [ 12.926070][ T210] ? lock_acquire+0x13c/0x160 [ 12.926074][ T210] console_emit_next_record+0x22f/0x4c0 [ 12.926077][ T210] ? devkmsg_read+0x4b0/0x4b0 [ 12.926079][ T210] ? console_flush_one_record+0x106/0x710 [ 12.926081][ T210] ? rcu_is_watching+0x16/0xd0 [ 12.926083][ T210] ? lock_acquire+0x13c/0x160 [ 12.926087][ T210] console_flush_one_record+0x46f/0x710 [ 12.926090][ T210] ? console_emit_next_record+0x4c0/0x4c0 [ 12.926092][ T210] ? __lock_acquire+0x518/0xc20 [ 12.926097][ T210] console_unlock+0xee/0x1f0 [ 12.926099][ T210] ? console_flush_one_record+0x710/0x710 [ 12.926100][ T210] ? rcu_is_watching+0x16/0xd0 [ 12.926102][ T210] ? lock_acquire+0x60/0x160 [ 12.926106][ T210] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.926108][ T210] ? vprintk_emit+0x320/0x3e0 [ 12.926111][ T210] vprintk_emit+0x37c/0x3e0 [ 12.926114][ T210] ? wake_up_klogd_work_func+0x90/0x90 [ 12.926116][ T210] ? __lock_acquire+0x518/0xc20 [ 12.926120][ T210] _printk+0xc7/0x100 [ 12.926124][ T210] ? snapshot_read.cold+0x21/0x21 [ 12.926127][ T210] ? do_raw_spin_lock+0x131/0x280 [ 12.926129][ T210] ? __rwlock_init+0x150/0x150 [ 12.926133][ T210] ? do_raw_spin_lock+0x131/0x280 [ 12.926136][ T210] do_exit.cold+0x82/0x9c [ 12.926139][ T210] ? exit_notify+0x890/0x890 [ 12.926141][ T210] ? __lock_release.isra.0+0x69/0x1a0 [ 12.926144][ T210] ? rcu_is_watching+0x16/0xd0 [ 12.926147][ T210] do_group_exit+0xb8/0x370 [ 12.926150][ T210] __x64_sys_exit_group+0x3c/0x50 [ 12.926152][ T210] x64_sys_call+0x1567/0x1570 [ 12.926155][ T210] do_syscall_64+0xff/0x530 [ 12.926158][ T210] ? exc_page_fault+0xee/0x100 [ 12.926161][ T210] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.926164][ T210] RIP: 0033:0x7ffaf81411b8 [ 12.926166][ T210] Code: Unable to access opcode bytes at 0x7ffaf814118e. [ 12.926167][ T210] RSP: 002b:00007ffd12fee948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.926170][ T210] RAX: ffffffffffffffda RBX: 00007ffaf8271f88 RCX: 00007ffaf81411b8 [ 12.926171][ T210] RDX: 00007ffaf7e8bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.926172][ T210] RBP: 00007ffd12fee9a0 R08: 0000000000000000 R09: 0000000000008010 [ 12.926173][ T210] R10: 00007ffd12fee760 R11: 0000000000000246 R12: 0000000000000001 [ 12.926174][ T210] R13: 0000000000000000 R14: 00007ffaf8270680 R15: 00007ffaf8271fa0 [ 12.926180][ T210]