[ 9.975467][ T181] ip (181) used greatest stack depth: 24064 bytes left [ 9.975485][ T181] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.975487][ T181] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 181, name: ip [ 9.975489][ T181] preempt_count: 2, expected: 0 [ 9.975490][ T181] RCU nest depth: 0, expected: 0 [ 9.975491][ T181] locks held by ip/181: 5, last CPU#3: [ 9.975493][ T181] #0: ffffffffa0402f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.975505][ T181] #1: ffffffffa056a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.975510][ T181] #2: ffffffffa056a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.975514][ T181] #3: ffffffffa0489de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.975517][ T181] #4: ffffffffa0489ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.975520][ T181] irq event stamp: 31272 [ 9.975521][ T181] hardirqs last enabled at (31271): [] __down_trylock_console_sem+0x86/0xa0 [ 9.975525][ T181] hardirqs last disabled at (31272): [] console_emit_next_record+0x3d4/0x4c0 [ 9.975526][ T181] softirqs last enabled at (29910): [] handle_softirqs+0x67c/0x900 [ 9.975529][ T181] softirqs last disabled at (29905): [] __irq_exit_rcu+0x145/0x1c0 [ 9.975531][ T181] Preemption disabled at: [ 9.975532][ T181] [<0000000000000000>] 0x0 [ 9.975539][ T181] CPU: 3 UID: 0 PID: 181 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.975542][ T181] Tainted: [W]=WARN [ 9.975543][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.975545][ T181] Call Trace: [ 9.975546][ T181] [ 9.975548][ T181] dump_stack_lvl+0x6f/0xa0 [ 9.975554][ T181] __might_resched.cold+0x1fe/0x2c1 [ 9.975559][ T181] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.975564][ T181] ? __kmalloc_noprof+0xdb/0x760 [ 9.975570][ T181] __kmalloc_noprof+0x443/0x760 [ 9.975572][ T181] ? alloc_buf.isra.0+0x4b/0x260 [ 9.975578][ T181] ? do_raw_spin_unlock+0x59/0x250 [ 9.975581][ T181] alloc_buf.isra.0+0x4b/0x260 [ 9.975584][ T181] put_chars+0x1e1/0x2f0 [ 9.975587][ T181] ? __send_to_port+0x420/0x420 [ 9.975594][ T181] hvc_console_print+0x292/0x780 [ 9.975601][ T181] ? hvc_write+0x3a0/0x3a0 [ 9.975603][ T181] ? lock_acquire+0x13c/0x160 [ 9.975608][ T181] console_emit_next_record+0x22f/0x4c0 [ 9.975612][ T181] ? devkmsg_read+0x4b0/0x4b0 [ 9.975613][ T181] ? console_flush_one_record+0x106/0x710 [ 9.975616][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.975619][ T181] ? lock_acquire+0x13c/0x160 [ 9.975626][ T181] console_flush_one_record+0x46f/0x710 [ 9.975629][ T181] ? console_emit_next_record+0x4c0/0x4c0 [ 9.975631][ T181] ? __lock_acquire+0x518/0xc20 [ 9.975636][ T181] console_unlock+0xee/0x1f0 [ 9.975638][ T181] ? console_flush_one_record+0x710/0x710 [ 9.975640][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.975642][ T181] ? lock_acquire+0x60/0x160 [ 9.975645][ T181] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.975647][ T181] ? vprintk_emit+0x320/0x3e0 [ 9.975650][ T181] vprintk_emit+0x37c/0x3e0 [ 9.975653][ T181] ? wake_up_klogd_work_func+0x90/0x90 [ 9.975656][ T181] ? __lock_acquire+0x518/0xc20 [ 9.975660][ T181] _printk+0xc7/0x100 [ 9.975664][ T181] ? snapshot_read.cold+0x21/0x21 [ 9.975667][ T181] ? do_raw_spin_lock+0x131/0x280 [ 9.975670][ T181] ? __rwlock_init+0x150/0x150 [ 9.975674][ T181] ? do_raw_spin_lock+0x131/0x280 [ 9.975677][ T181] do_exit.cold+0x82/0x9c [ 9.975680][ T181] ? exit_notify+0x890/0x890 [ 9.975682][ T181] ? __lock_release.isra.0+0x69/0x1a0 [ 9.975685][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.975689][ T181] do_group_exit+0xb8/0x370 [ 9.975692][ T181] __x64_sys_exit_group+0x3c/0x50 [ 9.975694][ T181] x64_sys_call+0x1567/0x1570 [ 9.975696][ T181] do_syscall_64+0x10e/0x570 [ 9.975700][ T181] ? exc_page_fault+0xee/0x100 [ 9.975704][ T181] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.975706][ T181] RIP: 0033:0x7f52413541b8 [ 9.975708][ T181] Code: Unable to access opcode bytes at 0x7f524135418e. [ 9.975709][ T181] RSP: 002b:00007ffcaade4428 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.975712][ T181] RAX: ffffffffffffffda RBX: 00007f5241484f88 RCX: 00007f52413541b8 [ 9.975713][ T181] RDX: 00007f524109efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.975714][ T181] RBP: 00007ffcaade4480 R08: 0000000000000000 R09: 0000000000000050 [ 9.975715][ T181] R10: 00007ffcaade4240 R11: 0000000000000246 R12: 0000000000000001 [ 9.975716][ T181] R13: 0000000000000000 R14: 00007f5241483680 R15: 00007f5241484fa0 [ 9.975723][ T181] [ 10.757174][ T223] ip_local_port_range: prefer different parity for start/end values.