[ 10.869762][ T198] ip (198) used greatest stack depth: 23568 bytes left [ 10.869786][ T198] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.869788][ T198] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 198, name: ip [ 10.869790][ T198] preempt_count: 2, expected: 0 [ 10.869792][ T198] RCU nest depth: 0, expected: 0 [ 10.869793][ T198] locks held by ip/198: 5, last CPU#2: [ 10.869796][ T198] #0: ffffffff9c4167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.869810][ T198] #1: ffffffff9c57ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.869816][ T198] #2: ffffffff9c57de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.869823][ T198] #3: ffffffff9c49d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.869829][ T198] #4: ffffffff9c49d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.869835][ T198] irq event stamp: 29066 [ 10.869836][ T198] hardirqs last enabled at (29065): [] __down_trylock_console_sem+0x86/0xa0 [ 10.869840][ T198] hardirqs last disabled at (29066): [] console_emit_next_record+0x3d4/0x4c0 [ 10.869843][ T198] softirqs last enabled at (27478): [] netlink_release+0x17b/0xcf0 [ 10.869849][ T198] softirqs last disabled at (27476): [] netlink_release+0xd2/0xcf0 [ 10.869852][ T198] Preemption disabled at: [ 10.869853][ T198] [<0000000000000000>] 0x0 [ 10.869862][ T198] CPU: 2 UID: 0 PID: 198 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.869866][ T198] Tainted: [W]=WARN [ 10.869868][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.869870][ T198] Call Trace: [ 10.869872][ T198] [ 10.869874][ T198] dump_stack_lvl+0x6f/0xa0 [ 10.869883][ T198] __might_resched.cold+0x1fe/0x2c1 [ 10.869889][ T198] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.869894][ T198] ? __kmalloc_noprof+0xdb/0x760 [ 10.869901][ T198] __kmalloc_noprof+0x443/0x760 [ 10.869904][ T198] ? alloc_buf.isra.0+0x4b/0x260 [ 10.869920][ T198] ? do_raw_spin_unlock+0x59/0x250 [ 10.869923][ T198] alloc_buf.isra.0+0x4b/0x260 [ 10.869929][ T198] put_chars+0x1e1/0x2f0 [ 10.869933][ T198] ? __send_to_port+0x420/0x420 [ 10.869935][ T198] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.869940][ T198] ? validate_chain+0x38b/0xc20 [ 10.869949][ T198] hvc_console_print+0x292/0x780 [ 10.869961][ T198] ? hvc_write+0x3a0/0x3a0 [ 10.869965][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.869969][ T198] ? lock_acquire+0x13c/0x160 [ 10.869976][ T198] console_emit_next_record+0x22f/0x4c0 [ 10.869982][ T198] ? devkmsg_read+0x4b0/0x4b0 [ 10.869985][ T198] ? console_flush_one_record+0x106/0x710 [ 10.869990][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.869993][ T198] ? lock_acquire+0x13c/0x160 [ 10.870000][ T198] console_flush_one_record+0x46f/0x710 [ 10.870007][ T198] ? console_emit_next_record+0x4c0/0x4c0 [ 10.870010][ T198] ? __lock_acquire+0x518/0xc20 [ 10.870019][ T198] console_unlock+0xee/0x1f0 [ 10.870024][ T198] ? console_flush_one_record+0x710/0x710 [ 10.870026][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.870029][ T198] ? lock_acquire+0xe0/0x160 [ 10.870035][ T198] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.870038][ T198] ? vprintk_emit+0x320/0x3e0 [ 10.870043][ T198] vprintk_emit+0x37c/0x3e0 [ 10.870049][ T198] ? wake_up_klogd_work_func+0x90/0x90 [ 10.870054][ T198] ? __lock_acquire+0x518/0xc20 [ 10.870060][ T198] _printk+0xc7/0x100 [ 10.870065][ T198] ? snapshot_read.cold+0x21/0x21 [ 10.870069][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.870073][ T198] ? __rwlock_init+0x150/0x150 [ 10.870080][ T198] ? do_raw_spin_lock+0x131/0x280 [ 10.870084][ T198] do_exit.cold+0x82/0x9c [ 10.870090][ T198] ? exit_notify+0x890/0x890 [ 10.870092][ T198] ? __lock_release.isra.0+0x69/0x1a0 [ 10.870096][ T198] ? rcu_is_watching+0x16/0xd0 [ 10.870102][ T198] do_group_exit+0xb8/0x370 [ 10.870110][ T198] __x64_sys_exit_group+0x3c/0x50 [ 10.870113][ T198] x64_sys_call+0x1567/0x1570 [ 10.870116][ T198] do_syscall_64+0xff/0x530 [ 10.870121][ T198] ? exc_page_fault+0xee/0x100 [ 10.870126][ T198] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.870129][ T198] RIP: 0033:0x7f6dd482b1b8 [ 10.870132][ T198] Code: Unable to access opcode bytes at 0x7f6dd482b18e. [ 10.870134][ T198] RSP: 002b:00007ffd59584318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.870137][ T198] RAX: ffffffffffffffda RBX: 00007f6dd495bf88 RCX: 00007f6dd482b1b8 [ 10.870139][ T198] RDX: 00007f6dd4575fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.870141][ T198] RBP: 00007ffd59584370 R08: 0000000000000000 R09: 0000000000000050 [ 10.870142][ T198] R10: 00007ffd59584130 R11: 0000000000000246 R12: 0000000000000001 [ 10.870143][ T198] R13: 0000000000000000 R14: 00007f6dd495a680 R15: 00007f6dd495bfa0 [ 10.870156][ T198] [ 11.120559][ T58] dummy0: entered promiscuous mode