[ 8.168423][ T200] ip (200) used greatest stack depth: 24832 bytes left [ 8.168437][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.168440][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 8.168441][ T200] preempt_count: 2, expected: 0 [ 8.168442][ T200] RCU nest depth: 0, expected: 0 [ 8.168443][ T200] INFO: lockdep is turned off. [ 8.168445][ T200] irq event stamp: 0 [ 8.168445][ T200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 8.168450][ T200] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 8.168457][ T200] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 8.168459][ T200] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 8.168461][ T200] Preemption disabled at: [ 8.168461][ T200] [<0000000000000000>] 0x0 [ 8.168466][ T200] CPU: 1 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.168470][ T200] Tainted: [W]=WARN [ 8.168471][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.168472][ T200] Call Trace: [ 8.168474][ T200] [ 8.168475][ T200] dump_stack_lvl+0x6f/0xa0 [ 8.168481][ T200] __might_resched.cold+0x1fe/0x2c1 [ 8.168485][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.168489][ T200] ? __asan_memcpy+0x3c/0x60 [ 8.168492][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168496][ T200] __kmalloc_noprof+0x443/0x760 [ 8.168499][ T200] ? __rwlock_init+0x150/0x150 [ 8.168502][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 8.168506][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 8.168508][ T200] alloc_buf.isra.0+0x4b/0x260 [ 8.168510][ T200] put_chars+0x1e1/0x2f0 [ 8.168512][ T200] ? __send_to_port+0x420/0x420 [ 8.168513][ T200] ? console_prepend_replay+0x20/0x20 [ 8.168517][ T200] hvc_console_print+0x292/0x780 [ 8.168520][ T200] ? hvc_write+0x3a0/0x3a0 [ 8.168521][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168523][ T200] ? lock_acquire+0x13c/0x160 [ 8.168525][ T200] console_emit_next_record+0x22f/0x4c0 [ 8.168527][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 8.168529][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168531][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168533][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168534][ T200] ? lock_acquire+0x13c/0x160 [ 8.168536][ T200] ? console_flush_one_record+0x111/0x710 [ 8.168538][ T200] console_flush_one_record+0x46f/0x710 [ 8.168540][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 8.168543][ T200] console_unlock+0xee/0x1f0 [ 8.168545][ T200] ? lock_acquire+0x13c/0x160 [ 8.168546][ T200] ? console_flush_one_record+0x710/0x710 [ 8.168548][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168550][ T200] ? lock_release+0x184/0x1f0 [ 8.168551][ T200] ? lock_acquire+0x60/0x160 [ 8.168553][ T200] ? __rcu_read_lock+0x30/0x70 [ 8.168555][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.168557][ T200] ? vprintk_emit+0x320/0x3e0 [ 8.168559][ T200] vprintk_emit+0x37c/0x3e0 [ 8.168561][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 8.168563][ T200] ? do_raw_read_unlock+0x70/0x70 [ 8.168565][ T200] ? forget_original_parent+0x5c/0xdb0 [ 8.168568][ T200] _printk+0xc7/0x100 [ 8.168571][ T200] ? snapshot_read.cold+0x21/0x21 [ 8.168573][ T200] ? do_raw_spin_lock+0x131/0x280 [ 8.168574][ T200] ? do_raw_spin_lock+0x131/0x280 [ 8.168576][ T200] ? __rwlock_init+0x150/0x150 [ 8.168578][ T200] ? do_raw_spin_lock+0x131/0x280 [ 8.168580][ T200] do_exit.cold+0x82/0x9c [ 8.168583][ T200] ? exit_notify+0x890/0x890 [ 8.168586][ T200] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 8.168588][ T200] ? rcu_is_watching+0x16/0xd0 [ 8.168590][ T200] do_group_exit+0xb8/0x370 [ 8.168592][ T200] __x64_sys_exit_group+0x3c/0x50 [ 8.168593][ T200] x64_sys_call+0x1567/0x1570 [ 8.168595][ T200] do_syscall_64+0xff/0x530 [ 8.168598][ T200] ? exc_page_fault+0xee/0x100 [ 8.168600][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.168602][ T200] RIP: 0033:0x7fe94dea61b8 [ 8.168604][ T200] Code: Unable to access opcode bytes at 0x7fe94dea618e. [ 8.168606][ T200] RSP: 002b:00007fff916f7668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.168609][ T200] RAX: ffffffffffffffda RBX: 00007fe94dfd6f88 RCX: 00007fe94dea61b8 [ 8.168610][ T200] RDX: 00007fe94dbf0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.168611][ T200] RBP: 00007fff916f76c0 R08: 0000000000000000 R09: 0000000000008010 [ 8.168612][ T200] R10: 00007fff916f7480 R11: 0000000000000246 R12: 0000000000000001 [ 8.168613][ T200] R13: 0000000000000000 R14: 00007fe94dfd5680 R15: 00007fe94dfd6fa0 [ 8.168615][ T200] [ 8.849728][ T240] 8021q: 802.1Q VLAN Support v1.8 [ 8.946662][ T245] gre: GRE over IPv4 demultiplexer driver [ 8.951363][ T245] ip_gre: GRE over IPv4 tunneling driver