[ 9.349686][ T182] ip (182) used greatest stack depth: 23792 bytes left [ 9.349702][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.349704][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: ip [ 9.349705][ T182] preempt_count: 2, expected: 0 [ 9.349706][ T182] RCU nest depth: 0, expected: 0 [ 9.349707][ T182] locks held by ip/182: 5, last CPU#1: [ 9.349710][ T182] #0: ffffffff98c02f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.349721][ T182] #1: ffffffff98d6a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.349726][ T182] #2: ffffffff98d6a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.349729][ T182] #3: ffffffff98c89de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.349732][ T182] #4: ffffffff98c89ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.349735][ T182] irq event stamp: 20270 [ 9.349736][ T182] hardirqs last enabled at (20269): [] __down_trylock_console_sem+0x86/0xa0 [ 9.349740][ T182] hardirqs last disabled at (20270): [] console_emit_next_record+0x3d4/0x4c0 [ 9.349741][ T182] softirqs last enabled at (18712): [] netlink_release+0x17b/0xcf0 [ 9.349745][ T182] softirqs last disabled at (18710): [] netlink_release+0xd2/0xcf0 [ 9.349747][ T182] Preemption disabled at: [ 9.349748][ T182] [<0000000000000000>] 0x0 [ 9.349755][ T182] CPU: 1 UID: 0 PID: 182 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.349758][ T182] Tainted: [W]=WARN [ 9.349759][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.349760][ T182] Call Trace: [ 9.349762][ T182] [ 9.349763][ T182] dump_stack_lvl+0x6f/0xa0 [ 9.349769][ T182] __might_resched.cold+0x1fe/0x2c1 [ 9.349773][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.349777][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 9.349782][ T182] __kmalloc_noprof+0x443/0x760 [ 9.349784][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 9.349790][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 9.349793][ T182] alloc_buf.isra.0+0x4b/0x260 [ 9.349796][ T182] put_chars+0x1e1/0x2f0 [ 9.349799][ T182] ? __send_to_port+0x420/0x420 [ 9.349805][ T182] hvc_console_print+0x292/0x780 [ 9.349812][ T182] ? hvc_write+0x3a0/0x3a0 [ 9.349815][ T182] ? lock_acquire+0x13c/0x160 [ 9.349819][ T182] console_emit_next_record+0x22f/0x4c0 [ 9.349822][ T182] ? devkmsg_read+0x4b0/0x4b0 [ 9.349824][ T182] ? console_flush_one_record+0x106/0x710 [ 9.349826][ T182] ? rcu_is_watching+0x16/0xd0 [ 9.349829][ T182] ? lock_acquire+0x13c/0x160 [ 9.349833][ T182] console_flush_one_record+0x46f/0x710 [ 9.349837][ T182] ? console_emit_next_record+0x4c0/0x4c0 [ 9.349838][ T182] ? __lock_acquire+0x518/0xc20 [ 9.349843][ T182] console_unlock+0xee/0x1f0 [ 9.349845][ T182] ? console_flush_one_record+0x710/0x710 [ 9.349847][ T182] ? rcu_is_watching+0x16/0xd0 [ 9.349848][ T182] ? lock_acquire+0x60/0x160 [ 9.349852][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.349854][ T182] ? vprintk_emit+0x320/0x3e0 [ 9.349857][ T182] vprintk_emit+0x37c/0x3e0 [ 9.349860][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 9.349863][ T182] ? __lock_acquire+0x518/0xc20 [ 9.349867][ T182] _printk+0xc7/0x100 [ 9.349870][ T182] ? snapshot_read.cold+0x21/0x21 [ 9.349873][ T182] ? do_raw_spin_lock+0x131/0x280 [ 9.349875][ T182] ? __rwlock_init+0x150/0x150 [ 9.349879][ T182] ? do_raw_spin_lock+0x131/0x280 [ 9.349882][ T182] do_exit.cold+0x82/0x9c [ 9.349885][ T182] ? exit_notify+0x890/0x890 [ 9.349887][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 9.349890][ T182] ? rcu_is_watching+0x16/0xd0 [ 9.349893][ T182] do_group_exit+0xb8/0x370 [ 9.349896][ T182] __x64_sys_exit_group+0x3c/0x50 [ 9.349898][ T182] x64_sys_call+0x1567/0x1570 [ 9.349901][ T182] do_syscall_64+0x10e/0x570 [ 9.349904][ T182] ? exc_page_fault+0xee/0x100 [ 9.349907][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.349910][ T182] RIP: 0033:0x7fe52acc61b8 [ 9.349912][ T182] Code: Unable to access opcode bytes at 0x7fe52acc618e. [ 9.349912][ T182] RSP: 002b:00007fffd33af678 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.349915][ T182] RAX: ffffffffffffffda RBX: 00007fe52adf6f88 RCX: 00007fe52acc61b8 [ 9.349916][ T182] RDX: 00007fe52aa10fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.349917][ T182] RBP: 00007fffd33af6d0 R08: 0000000000000000 R09: 0000000000000050 [ 9.349918][ T182] R10: 00007fffd33af490 R11: 0000000000000246 R12: 0000000000000001 [ 9.349918][ T182] R13: 0000000000000000 R14: 00007fe52adf5680 R15: 00007fe52adf6fa0 [ 9.349925][ T182]