[ 9.909650][ T187] ip (187) used greatest stack depth: 23904 bytes left [ 9.909666][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.909668][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.909670][ T187] preempt_count: 2, expected: 0 [ 9.909671][ T187] RCU nest depth: 0, expected: 0 [ 9.909672][ T187] locks held by ip/187: 5, last CPU#0: [ 9.909674][ T187] #0: ffffffffafc027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.909687][ T187] #1: ffffffffafd69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.909693][ T187] #2: ffffffffafd69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.909697][ T187] #3: ffffffffafc89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.909701][ T187] #4: ffffffffafc89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.909705][ T187] irq event stamp: 59346 [ 9.909706][ T187] hardirqs last enabled at (59345): [] __down_trylock_console_sem+0x86/0xa0 [ 9.909708][ T187] hardirqs last disabled at (59346): [] console_emit_next_record+0x3d4/0x4c0 [ 9.909711][ T187] softirqs last enabled at (58054): [] netlink_release+0x17b/0xcf0 [ 9.909714][ T187] softirqs last disabled at (58052): [] netlink_release+0xd2/0xcf0 [ 9.909717][ T187] Preemption disabled at: [ 9.909717][ T187] [<0000000000000000>] 0x0 [ 9.909724][ T187] CPU: 0 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.909728][ T187] Tainted: [W]=WARN [ 9.909729][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.909730][ T187] Call Trace: [ 9.909732][ T187] [ 9.909733][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.909740][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.909744][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.909749][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.909754][ T187] __kmalloc_noprof+0x443/0x760 [ 9.909757][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.909762][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.909765][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.909768][ T187] put_chars+0x1e1/0x2f0 [ 9.909771][ T187] ? __send_to_port+0x420/0x420 [ 9.909773][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.909777][ T187] ? validate_chain+0x38b/0xc20 [ 9.909783][ T187] hvc_console_print+0x292/0x780 [ 9.909789][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.909791][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.909794][ T187] ? lock_acquire+0x13c/0x160 [ 9.909798][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.909802][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.909804][ T187] ? console_flush_one_record+0x106/0x710 [ 9.909807][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.909809][ T187] ? lock_acquire+0x13c/0x160 [ 9.909813][ T187] console_flush_one_record+0x46f/0x710 [ 9.909817][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.909819][ T187] ? __lock_acquire+0x518/0xc20 [ 9.909825][ T187] console_unlock+0xee/0x1f0 [ 9.909827][ T187] ? console_flush_one_record+0x710/0x710 [ 9.909829][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.909832][ T187] ? lock_acquire+0x60/0x160 [ 9.909835][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.909837][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.909841][ T187] vprintk_emit+0x37c/0x3e0 [ 9.909844][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.909848][ T187] ? __lock_acquire+0x518/0xc20 [ 9.909851][ T187] _printk+0xc7/0x100 [ 9.909856][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.909860][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.909863][ T187] ? __rwlock_init+0x150/0x150 [ 9.909867][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.909870][ T187] do_exit.cold+0x82/0x9c [ 9.909874][ T187] ? exit_notify+0x890/0x890 [ 9.909876][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.909879][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.909884][ T187] do_group_exit+0xb8/0x370 [ 9.909887][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.909888][ T187] x64_sys_call+0x1567/0x1570 [ 9.909891][ T187] do_syscall_64+0xff/0x530 [ 9.909894][ T187] ? exc_page_fault+0xee/0x100 [ 9.909898][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.909902][ T187] RIP: 0033:0x7f7dd95281b8 [ 9.909904][ T187] Code: Unable to access opcode bytes at 0x7f7dd952818e. [ 9.909906][ T187] RSP: 002b:00007ffe3ef18058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.909908][ T187] RAX: ffffffffffffffda RBX: 00007f7dd9658f88 RCX: 00007f7dd95281b8 [ 9.909909][ T187] RDX: 00007f7dd9272fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.909910][ T187] RBP: 00007ffe3ef180b0 R08: 0000000000000000 R09: 0000000000008010 [ 9.909911][ T187] R10: 00007ffe3ef17e70 R11: 0000000000000246 R12: 0000000000000001 [ 9.909912][ T187] R13: 0000000000000000 R14: 00007f7dd9657680 R15: 00007f7dd9658fa0 [ 9.909919][ T187]