[ 10.524267][ T195] ip (195) used greatest stack depth: 24112 bytes left [ 10.524290][ T195] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.524293][ T195] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 195, name: ip [ 10.524295][ T195] preempt_count: 2, expected: 0 [ 10.524296][ T195] RCU nest depth: 0, expected: 0 [ 10.524297][ T195] locks held by ip/195: 5, last CPU#3: [ 10.524300][ T195] #0: ffffffff87e167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.524315][ T195] #1: ffffffff87f7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.524322][ T195] #2: ffffffff87f7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.524328][ T195] #3: ffffffff87e9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.524335][ T195] #4: ffffffff87e9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.524341][ T195] irq event stamp: 30862 [ 10.524343][ T195] hardirqs last enabled at (30861): [] __down_trylock_console_sem+0x86/0xa0 [ 10.524347][ T195] hardirqs last disabled at (30862): [] console_emit_next_record+0x3d4/0x4c0 [ 10.524350][ T195] softirqs last enabled at (30494): [] handle_softirqs+0x67c/0x900 [ 10.524353][ T195] softirqs last disabled at (30487): [] __irq_exit_rcu+0x145/0x1c0 [ 10.524357][ T195] Preemption disabled at: [ 10.524358][ T195] [<0000000000000000>] 0x0 [ 10.524369][ T195] CPU: 3 UID: 0 PID: 195 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.524374][ T195] Tainted: [W]=WARN [ 10.524375][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.524378][ T195] Call Trace: [ 10.524380][ T195] [ 10.524382][ T195] dump_stack_lvl+0x6f/0xa0 [ 10.524391][ T195] __might_resched.cold+0x1fe/0x2c1 [ 10.524397][ T195] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.524403][ T195] ? __kmalloc_noprof+0xdb/0x760 [ 10.524410][ T195] __kmalloc_noprof+0x443/0x760 [ 10.524414][ T195] ? alloc_buf.isra.0+0x4b/0x260 [ 10.524424][ T195] ? do_raw_spin_unlock+0x59/0x250 [ 10.524428][ T195] alloc_buf.isra.0+0x4b/0x260 [ 10.524434][ T195] put_chars+0x1e1/0x2f0 [ 10.524438][ T195] ? __send_to_port+0x420/0x420 [ 10.524440][ T195] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.524446][ T195] ? validate_chain+0x38b/0xc20 [ 10.524456][ T195] hvc_console_print+0x292/0x780 [ 10.524469][ T195] ? hvc_write+0x3a0/0x3a0 [ 10.524473][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.524477][ T195] ? lock_acquire+0x13c/0x160 [ 10.524484][ T195] console_emit_next_record+0x22f/0x4c0 [ 10.524491][ T195] ? devkmsg_read+0x4b0/0x4b0 [ 10.524494][ T195] ? console_flush_one_record+0x106/0x710 [ 10.524499][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.524502][ T195] ? lock_acquire+0x13c/0x160 [ 10.524510][ T195] console_flush_one_record+0x46f/0x710 [ 10.524517][ T195] ? console_emit_next_record+0x4c0/0x4c0 [ 10.524520][ T195] ? __lock_acquire+0x518/0xc20 [ 10.524530][ T195] console_unlock+0xee/0x1f0 [ 10.524535][ T195] ? console_flush_one_record+0x710/0x710 [ 10.524538][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.524541][ T195] ? lock_acquire+0xe0/0x160 [ 10.524548][ T195] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.524551][ T195] ? vprintk_emit+0x320/0x3e0 [ 10.524556][ T195] vprintk_emit+0x37c/0x3e0 [ 10.524562][ T195] ? wake_up_klogd_work_func+0x90/0x90 [ 10.524567][ T195] ? __lock_acquire+0x518/0xc20 [ 10.524574][ T195] _printk+0xc7/0x100 [ 10.524579][ T195] ? snapshot_read.cold+0x21/0x21 [ 10.524584][ T195] ? do_raw_spin_lock+0x131/0x280 [ 10.524588][ T195] ? __rwlock_init+0x150/0x150 [ 10.524595][ T195] ? do_raw_spin_lock+0x131/0x280 [ 10.524600][ T195] do_exit.cold+0x82/0x9c [ 10.524606][ T195] ? exit_notify+0x890/0x890 [ 10.524608][ T195] ? __lock_release.isra.0+0x69/0x1a0 [ 10.524613][ T195] ? rcu_is_watching+0x16/0xd0 [ 10.524620][ T195] do_group_exit+0xb8/0x370 [ 10.524625][ T195] __x64_sys_exit_group+0x3c/0x50 [ 10.524628][ T195] x64_sys_call+0x1567/0x1570 [ 10.524632][ T195] do_syscall_64+0xff/0x530 [ 10.524637][ T195] ? exc_page_fault+0xee/0x100 [ 10.524642][ T195] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.524645][ T195] RIP: 0033:0x7f3e137221b8 [ 10.524649][ T195] Code: Unable to access opcode bytes at 0x7f3e1372218e. [ 10.524650][ T195] RSP: 002b:00007ffcf5491b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.524654][ T195] RAX: ffffffffffffffda RBX: 00007f3e13852f88 RCX: 00007f3e137221b8 [ 10.524656][ T195] RDX: 00007f3e1346cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.524658][ T195] RBP: 00007ffcf5491b60 R08: 0000000000000000 R09: 0000000000000050 [ 10.524659][ T195] R10: 00007ffcf5491920 R11: 0000000000000246 R12: 0000000000000001 [ 10.524661][ T195] R13: 0000000000000000 R14: 00007f3e13851680 R15: 00007f3e13852fa0 [ 10.524674][ T195] [ 10.663339][ T194] ip_local_port_range: prefer different parity for start/end values. [ 10.914591][ T200] ip_local_port_range: prefer different parity for start/end values. [ 11.172145][ T206] ip_local_port_range: prefer different parity for start/end values. [ 11.430565][ T212] ip_local_port_range: prefer different parity for start/end values.