[ 9.851889][ T232] ip (232) used greatest stack depth: 23824 bytes left [ 9.851904][ T232] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.851906][ T232] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 232, name: ip [ 9.851908][ T232] preempt_count: 2, expected: 0 [ 9.851909][ T232] RCU nest depth: 0, expected: 0 [ 9.851910][ T232] locks held by ip/232: 5, last CPU#3: [ 9.851912][ T232] #0: ffffffff8d0167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.851923][ T232] #1: ffffffff8d17ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.851927][ T232] #2: ffffffff8d17de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.851932][ T232] #3: ffffffff8d09d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.851935][ T232] #4: ffffffff8d09d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.851939][ T232] irq event stamp: 41766 [ 9.851940][ T232] hardirqs last enabled at (41765): [] __down_trylock_console_sem+0x86/0xa0 [ 9.851943][ T232] hardirqs last disabled at (41766): [] console_emit_next_record+0x3d4/0x4c0 [ 9.851945][ T232] softirqs last enabled at (40476): [] netlink_release+0x17b/0xcf0 [ 9.851949][ T232] softirqs last disabled at (40474): [] netlink_release+0xd2/0xcf0 [ 9.851951][ T232] Preemption disabled at: [ 9.851952][ T232] [<0000000000000000>] 0x0 [ 9.851958][ T232] CPU: 3 UID: 0 PID: 232 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.851962][ T232] Tainted: [W]=WARN [ 9.851963][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.851964][ T232] Call Trace: [ 9.851966][ T232] [ 9.851967][ T232] dump_stack_lvl+0x6f/0xa0 [ 9.851974][ T232] __might_resched.cold+0x1fe/0x2c1 [ 9.851978][ T232] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.851982][ T232] ? __kmalloc_noprof+0xdb/0x760 [ 9.851987][ T232] __kmalloc_noprof+0x443/0x760 [ 9.851989][ T232] ? alloc_buf.isra.0+0x4b/0x260 [ 9.851995][ T232] ? do_raw_spin_unlock+0x59/0x250 [ 9.851998][ T232] alloc_buf.isra.0+0x4b/0x260 [ 9.852001][ T232] put_chars+0x1e1/0x2f0 [ 9.852004][ T232] ? __send_to_port+0x420/0x420 [ 9.852005][ T232] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.852008][ T232] ? validate_chain+0x38b/0xc20 [ 9.852013][ T232] hvc_console_print+0x292/0x780 [ 9.852021][ T232] ? hvc_write+0x3a0/0x3a0 [ 9.852023][ T232] ? rcu_is_watching+0x16/0xd0 [ 9.852025][ T232] ? lock_acquire+0x13c/0x160 [ 9.852029][ T232] console_emit_next_record+0x22f/0x4c0 [ 9.852033][ T232] ? devkmsg_read+0x4b0/0x4b0 [ 9.852035][ T232] ? console_flush_one_record+0x106/0x710 [ 9.852038][ T232] ? rcu_is_watching+0x16/0xd0 [ 9.852040][ T232] ? lock_acquire+0x13c/0x160 [ 9.852044][ T232] console_flush_one_record+0x46f/0x710 [ 9.852048][ T232] ? console_emit_next_record+0x4c0/0x4c0 [ 9.852050][ T232] ? __lock_acquire+0x518/0xc20 [ 9.852057][ T232] console_unlock+0xee/0x1f0 [ 9.852060][ T232] ? console_flush_one_record+0x710/0x710 [ 9.852062][ T232] ? rcu_is_watching+0x16/0xd0 [ 9.852063][ T232] ? lock_acquire+0xe0/0x160 [ 9.852067][ T232] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.852069][ T232] ? vprintk_emit+0x320/0x3e0 [ 9.852071][ T232] vprintk_emit+0x37c/0x3e0 [ 9.852075][ T232] ? wake_up_klogd_work_func+0x90/0x90 [ 9.852077][ T232] ? __lock_acquire+0x518/0xc20 [ 9.852081][ T232] _printk+0xc7/0x100 [ 9.852085][ T232] ? snapshot_read.cold+0x21/0x21 [ 9.852087][ T232] ? do_raw_spin_lock+0x131/0x280 [ 9.852090][ T232] ? __rwlock_init+0x150/0x150 [ 9.852094][ T232] ? do_raw_spin_lock+0x131/0x280 [ 9.852096][ T232] do_exit.cold+0x82/0x9c [ 9.852100][ T232] ? exit_notify+0x890/0x890 [ 9.852101][ T232] ? __lock_release.isra.0+0x69/0x1a0 [ 9.852104][ T232] ? rcu_is_watching+0x16/0xd0 [ 9.852107][ T232] do_group_exit+0xb8/0x370 [ 9.852110][ T232] __x64_sys_exit_group+0x3c/0x50 [ 9.852112][ T232] x64_sys_call+0x1567/0x1570 [ 9.852114][ T232] do_syscall_64+0xff/0x530 [ 9.852118][ T232] ? exc_page_fault+0xee/0x100 [ 9.852121][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.852123][ T232] RIP: 0033:0x7f0deeab41b8 [ 9.852125][ T232] Code: Unable to access opcode bytes at 0x7f0deeab418e. [ 9.852126][ T232] RSP: 002b:00007fff85492b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.852128][ T232] RAX: ffffffffffffffda RBX: 00007f0deebe4f88 RCX: 00007f0deeab41b8 [ 9.852130][ T232] RDX: 00007f0dee7fefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.852131][ T232] RBP: 00007fff85492bc0 R08: 0000000000000000 R09: 0000000000008010 [ 9.852131][ T232] R10: 00007fff85492980 R11: 0000000000000246 R12: 0000000000000001 [ 9.852132][ T232] R13: 0000000000000000 R14: 00007f0deebe3680 R15: 00007f0deebe4fa0 [ 9.852139][ T232]