[ 9.983433][ T181] ip (181) used greatest stack depth: 24272 bytes left [ 9.983450][ T181] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.983452][ T181] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 181, name: ip [ 9.983453][ T181] preempt_count: 2, expected: 0 [ 9.983454][ T181] RCU nest depth: 0, expected: 0 [ 9.983455][ T181] locks held by ip/181: 5, last CPU#3: [ 9.983457][ T181] #0: ffffffff93a02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.983469][ T181] #1: ffffffff93b6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.983474][ T181] #2: ffffffff93b6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.983477][ T181] #3: ffffffff93a89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.983480][ T181] #4: ffffffff93a89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.983484][ T181] irq event stamp: 30422 [ 9.983484][ T181] hardirqs last enabled at (30421): [] __down_trylock_console_sem+0x86/0xa0 [ 9.983488][ T181] hardirqs last disabled at (30422): [] console_emit_next_record+0x3d4/0x4c0 [ 9.983489][ T181] softirqs last enabled at (28866): [] netlink_release+0x17b/0xcf0 [ 9.983493][ T181] softirqs last disabled at (28864): [] netlink_release+0xd2/0xcf0 [ 9.983495][ T181] Preemption disabled at: [ 9.983496][ T181] [<0000000000000000>] 0x0 [ 9.983503][ T181] CPU: 3 UID: 0 PID: 181 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.983506][ T181] Tainted: [W]=WARN [ 9.983507][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.983508][ T181] Call Trace: [ 9.983510][ T181] [ 9.983512][ T181] dump_stack_lvl+0x6f/0xa0 [ 9.983517][ T181] __might_resched.cold+0x1fe/0x2c1 [ 9.983522][ T181] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.983525][ T181] ? __kmalloc_noprof+0xdb/0x760 [ 9.983530][ T181] __kmalloc_noprof+0x443/0x760 [ 9.983532][ T181] ? alloc_buf.isra.0+0x4b/0x260 [ 9.983538][ T181] ? do_raw_spin_unlock+0x59/0x250 [ 9.983541][ T181] alloc_buf.isra.0+0x4b/0x260 [ 9.983544][ T181] put_chars+0x1e1/0x2f0 [ 9.983547][ T181] ? __send_to_port+0x420/0x420 [ 9.983553][ T181] hvc_console_print+0x292/0x780 [ 9.983560][ T181] ? hvc_write+0x3a0/0x3a0 [ 9.983563][ T181] ? lock_acquire+0x13c/0x160 [ 9.983567][ T181] console_emit_next_record+0x22f/0x4c0 [ 9.983570][ T181] ? devkmsg_read+0x4b0/0x4b0 [ 9.983572][ T181] ? console_flush_one_record+0x106/0x710 [ 9.983574][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.983578][ T181] ? lock_acquire+0x13c/0x160 [ 9.983582][ T181] console_flush_one_record+0x46f/0x710 [ 9.983585][ T181] ? console_emit_next_record+0x4c0/0x4c0 [ 9.983587][ T181] ? __lock_acquire+0x518/0xc20 [ 9.983593][ T181] console_unlock+0xee/0x1f0 [ 9.983595][ T181] ? console_flush_one_record+0x710/0x710 [ 9.983597][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.983598][ T181] ? lock_acquire+0x60/0x160 [ 9.983602][ T181] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.983604][ T181] ? vprintk_emit+0x320/0x3e0 [ 9.983607][ T181] vprintk_emit+0x37c/0x3e0 [ 9.983610][ T181] ? wake_up_klogd_work_func+0x90/0x90 [ 9.983613][ T181] ? __lock_acquire+0x518/0xc20 [ 9.983617][ T181] _printk+0xc7/0x100 [ 9.983622][ T181] ? snapshot_read.cold+0x21/0x21 [ 9.983624][ T181] ? do_raw_spin_lock+0x131/0x280 [ 9.983627][ T181] ? __rwlock_init+0x150/0x150 [ 9.983631][ T181] ? do_raw_spin_lock+0x131/0x280 [ 9.983634][ T181] do_exit.cold+0x82/0x9c [ 9.983637][ T181] ? exit_notify+0x890/0x890 [ 9.983639][ T181] ? __lock_release.isra.0+0x69/0x1a0 [ 9.983642][ T181] ? rcu_is_watching+0x16/0xd0 [ 9.983645][ T181] do_group_exit+0xb8/0x370 [ 9.983648][ T181] __x64_sys_exit_group+0x3c/0x50 [ 9.983650][ T181] x64_sys_call+0x1567/0x1570 [ 9.983653][ T181] do_syscall_64+0x10e/0x570 [ 9.983656][ T181] ? exc_page_fault+0xee/0x100 [ 9.983659][ T181] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.983661][ T181] RIP: 0033:0x7fbf98fb71b8 [ 9.983664][ T181] Code: Unable to access opcode bytes at 0x7fbf98fb718e. [ 9.983664][ T181] RSP: 002b:00007fffdc9bec98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.983667][ T181] RAX: ffffffffffffffda RBX: 00007fbf990e7f88 RCX: 00007fbf98fb71b8 [ 9.983668][ T181] RDX: 00007fbf98d01fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.983669][ T181] RBP: 00007fffdc9becf0 R08: 0000000000000000 R09: 0000000000000050 [ 9.983670][ T181] R10: 00007fffdc9beab0 R11: 0000000000000246 R12: 0000000000000001 [ 9.983671][ T181] R13: 0000000000000000 R14: 00007fbf990e6680 R15: 00007fbf990e7fa0 [ 9.983677][ T181]