[ 9.866767][ T176] ip (176) used greatest stack depth: 24256 bytes left [ 9.866785][ T176] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.866787][ T176] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 176, name: ip [ 9.866790][ T176] preempt_count: 2, expected: 0 [ 9.866791][ T176] RCU nest depth: 0, expected: 0 [ 9.866792][ T176] locks held by ip/176: 5, last CPU#0: [ 9.866794][ T176] #0: ffffffff85002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.866807][ T176] #1: ffffffff8516a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.866811][ T176] #2: ffffffff8516a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.866815][ T176] #3: ffffffff85089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.866818][ T176] #4: ffffffff85089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.866822][ T176] irq event stamp: 39938 [ 9.866823][ T176] hardirqs last enabled at (39937): [] __down_trylock_console_sem+0x86/0xa0 [ 9.866827][ T176] hardirqs last disabled at (39938): [] console_emit_next_record+0x3d4/0x4c0 [ 9.866828][ T176] softirqs last enabled at (38366): [] netlink_release+0x17b/0xcf0 [ 9.866832][ T176] softirqs last disabled at (38364): [] netlink_release+0xd2/0xcf0 [ 9.866835][ T176] Preemption disabled at: [ 9.866835][ T176] [<0000000000000000>] 0x0 [ 9.866843][ T176] CPU: 0 UID: 0 PID: 176 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.866846][ T176] Tainted: [W]=WARN [ 9.866847][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.866849][ T176] Call Trace: [ 9.866850][ T176] [ 9.866852][ T176] dump_stack_lvl+0x6f/0xa0 [ 9.866857][ T176] __might_resched.cold+0x1fe/0x2c1 [ 9.866862][ T176] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.866865][ T176] ? __kmalloc_noprof+0xdb/0x760 [ 9.866870][ T176] __kmalloc_noprof+0x443/0x760 [ 9.866873][ T176] ? alloc_buf.isra.0+0x4b/0x260 [ 9.866879][ T176] ? do_raw_spin_unlock+0x59/0x250 [ 9.866882][ T176] alloc_buf.isra.0+0x4b/0x260 [ 9.866886][ T176] put_chars+0x1e1/0x2f0 [ 9.866889][ T176] ? __send_to_port+0x420/0x420 [ 9.866895][ T176] hvc_console_print+0x292/0x780 [ 9.866902][ T176] ? hvc_write+0x3a0/0x3a0 [ 9.866905][ T176] ? lock_acquire+0x13c/0x160 [ 9.866909][ T176] console_emit_next_record+0x22f/0x4c0 [ 9.866913][ T176] ? devkmsg_read+0x4b0/0x4b0 [ 9.866914][ T176] ? console_flush_one_record+0x106/0x710 [ 9.866917][ T176] ? rcu_is_watching+0x16/0xd0 [ 9.866921][ T176] ? lock_acquire+0x13c/0x160 [ 9.866925][ T176] console_flush_one_record+0x46f/0x710 [ 9.866928][ T176] ? console_emit_next_record+0x4c0/0x4c0 [ 9.866930][ T176] ? __lock_acquire+0x518/0xc20 [ 9.866935][ T176] console_unlock+0xee/0x1f0 [ 9.866938][ T176] ? console_flush_one_record+0x710/0x710 [ 9.866939][ T176] ? rcu_is_watching+0x16/0xd0 [ 9.866941][ T176] ? lock_acquire+0x60/0x160 [ 9.866945][ T176] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.866947][ T176] ? vprintk_emit+0x320/0x3e0 [ 9.866950][ T176] vprintk_emit+0x37c/0x3e0 [ 9.866953][ T176] ? wake_up_klogd_work_func+0x90/0x90 [ 9.866956][ T176] ? __lock_acquire+0x518/0xc20 [ 9.866960][ T176] _printk+0xc7/0x100 [ 9.866964][ T176] ? snapshot_read.cold+0x21/0x21 [ 9.866966][ T176] ? do_raw_spin_lock+0x131/0x280 [ 9.866969][ T176] ? __rwlock_init+0x150/0x150 [ 9.866973][ T176] ? do_raw_spin_lock+0x131/0x280 [ 9.866976][ T176] do_exit.cold+0x82/0x9c [ 9.866980][ T176] ? exit_notify+0x890/0x890 [ 9.866987][ T176] ? __lock_release.isra.0+0x69/0x1a0 [ 9.866990][ T176] ? rcu_is_watching+0x16/0xd0 [ 9.866994][ T176] do_group_exit+0xb8/0x370 [ 9.866997][ T176] __x64_sys_exit_group+0x3c/0x50 [ 9.866999][ T176] x64_sys_call+0x1567/0x1570 [ 9.867002][ T176] do_syscall_64+0x10e/0x570 [ 9.867005][ T176] ? exc_page_fault+0xee/0x100 [ 9.867009][ T176] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.867011][ T176] RIP: 0033:0x7fcd3cd6f1b8 [ 9.867013][ T176] Code: Unable to access opcode bytes at 0x7fcd3cd6f18e. [ 9.867014][ T176] RSP: 002b:00007ffd4990a878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.867016][ T176] RAX: ffffffffffffffda RBX: 00007fcd3ce9ff88 RCX: 00007fcd3cd6f1b8 [ 9.867018][ T176] RDX: 00007fcd3cab9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.867019][ T176] RBP: 00007ffd4990a8d0 R08: 0000000000000000 R09: 0000000000000050 [ 9.867020][ T176] R10: 00007ffd4990a690 R11: 0000000000000246 R12: 0000000000000001 [ 9.867020][ T176] R13: 0000000000000000 R14: 00007fcd3ce9e680 R15: 00007fcd3ce9ffa0 [ 9.867027][ T176] [ 10.374040][ T192] ip (192) used greatest stack depth: 24144 bytes left [ 10.550746][ T195] ip (195) used greatest stack depth: 23712 bytes left