[ 11.295650][ T206] ip (206) used greatest stack depth: 23800 bytes left [ 11.295666][ T206] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.295668][ T206] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 206, name: ip [ 11.295670][ T206] preempt_count: 2, expected: 0 [ 11.295671][ T206] RCU nest depth: 0, expected: 0 [ 11.295671][ T206] locks held by ip/206: 5, last CPU#2: [ 11.295673][ T206] #0: ffffffff862027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.295684][ T206] #1: ffffffff86399dc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.295690][ T206] #2: ffffffff86399e38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.295693][ T206] #3: ffffffff86289760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.295697][ T206] #4: ffffffff86289660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 11.295701][ T206] irq event stamp: 20226 [ 11.295702][ T206] hardirqs last enabled at (20225): [] __down_trylock_console_sem+0x86/0xa0 [ 11.295704][ T206] hardirqs last disabled at (20226): [] console_emit_next_record+0x3f8/0x4f0 [ 11.295706][ T206] softirqs last enabled at (18888): [] netlink_release+0x17b/0xcf0 [ 11.295711][ T206] softirqs last disabled at (18886): [] netlink_release+0xd2/0xcf0 [ 11.295713][ T206] Preemption disabled at: [ 11.295714][ T206] [<0000000000000000>] 0x0 [ 11.295720][ T206] CPU: 2 UID: 0 PID: 206 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.295723][ T206] Tainted: [W]=WARN [ 11.295724][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.295726][ T206] Call Trace: [ 11.295727][ T206] [ 11.295729][ T206] dump_stack_lvl+0x6f/0xa0 [ 11.295735][ T206] __might_resched.cold+0x1fe/0x2c1 [ 11.295739][ T206] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.295743][ T206] ? __kmalloc_noprof+0xdb/0x760 [ 11.295748][ T206] __kmalloc_noprof+0x443/0x760 [ 11.295750][ T206] ? alloc_buf.isra.0+0x4b/0x260 [ 11.295757][ T206] ? do_raw_spin_unlock+0x59/0x250 [ 11.295759][ T206] alloc_buf.isra.0+0x4b/0x260 [ 11.295763][ T206] put_chars+0x1e1/0x2f0 [ 11.295766][ T206] ? __send_to_port+0x420/0x420 [ 11.295768][ T206] ? printk_get_next_message+0x2fe/0x7d0 [ 11.295771][ T206] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.295774][ T206] ? validate_chain+0x38b/0xc20 [ 11.295778][ T206] hvc_console_print+0x292/0x780 [ 11.295782][ T206] ? __lock_acquire+0x518/0xc20 [ 11.295784][ T206] ? __lock_acquire+0x518/0xc20 [ 11.295788][ T206] ? hvc_write+0x3a0/0x3a0 [ 11.295791][ T206] ? rcu_is_watching+0x16/0xd0 [ 11.295795][ T206] ? lock_acquire+0x13c/0x160 [ 11.295798][ T206] console_emit_next_record+0x252/0x4f0 [ 11.295802][ T206] ? devkmsg_read+0x4e0/0x4e0 [ 11.295806][ T206] ? rcu_is_watching+0x16/0xd0 [ 11.295809][ T206] ? lock_acquire+0x13c/0x160 [ 11.295812][ T206] console_flush_one_record+0x46f/0x710 [ 11.295816][ T206] ? console_emit_next_record+0x4f0/0x4f0 [ 11.295818][ T206] ? __lock_acquire+0x518/0xc20 [ 11.295823][ T206] console_unlock+0xee/0x1f0 [ 11.295825][ T206] ? console_flush_one_record+0x710/0x710 [ 11.295827][ T206] ? rcu_is_watching+0x16/0xd0 [ 11.295829][ T206] ? lock_acquire+0xa0/0x160 [ 11.295833][ T206] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.295834][ T206] ? vprintk_emit+0x320/0x3e0 [ 11.295837][ T206] vprintk_emit+0x37c/0x3e0 [ 11.295841][ T206] ? wake_up_klogd_work_func+0x90/0x90 [ 11.295845][ T206] ? __lock_acquire+0x518/0xc20 [ 11.295850][ T206] _printk+0xc7/0x100 [ 11.295854][ T206] ? snapshot_read.cold+0x21/0x21 [ 11.295857][ T206] ? do_raw_spin_lock+0x131/0x280 [ 11.295859][ T206] ? __rwlock_init+0x150/0x150 [ 11.295863][ T206] ? do_raw_spin_lock+0x131/0x280 [ 11.295865][ T206] do_exit.cold+0x82/0x9c [ 11.295869][ T206] ? exit_notify+0x890/0x890 [ 11.295870][ T206] ? __lock_release.isra.0+0x69/0x1a0 [ 11.295873][ T206] ? rcu_is_watching+0x16/0xd0 [ 11.295877][ T206] do_group_exit+0xb8/0x370 [ 11.295879][ T206] __x64_sys_exit_group+0x3c/0x50 [ 11.295881][ T206] x64_sys_call+0x1567/0x1570 [ 11.295883][ T206] do_syscall_64+0xff/0x530 [ 11.295886][ T206] ? exc_page_fault+0xee/0x100 [ 11.295890][ T206] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.295892][ T206] RIP: 0033:0x7fa57a93c1b8 [ 11.295894][ T206] Code: Unable to access opcode bytes at 0x7fa57a93c18e. [ 11.295895][ T206] RSP: 002b:00007ffc55613fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.295897][ T206] RAX: ffffffffffffffda RBX: 00007fa57aa6cf88 RCX: 00007fa57a93c1b8 [ 11.295899][ T206] RDX: 00007fa57a686fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.295900][ T206] RBP: 00007ffc55614000 R08: 0000000000000000 R09: 0000000000000050 [ 11.295901][ T206] R10: 00007ffc55613dc0 R11: 0000000000000246 R12: 0000000000000001 [ 11.295901][ T206] R13: 0000000000000000 R14: 00007fa57aa6b680 R15: 00007fa57aa6cfa0 [ 11.295908][ T206]