[ 9.475068][ T185] ip (185) used greatest stack depth: 23888 bytes left [ 9.475084][ T185] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.475085][ T185] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 185, name: ip [ 9.475087][ T185] preempt_count: 2, expected: 0 [ 9.475088][ T185] RCU nest depth: 0, expected: 0 [ 9.475089][ T185] locks held by ip/185: 5, last CPU#0: [ 9.475091][ T185] #0: ffffffffb1002f58 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x8e7/0xef0 [ 9.475102][ T185] #1: ffffffffb116a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.475107][ T185] #2: ffffffffb116a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.475110][ T185] #3: ffffffffb1089de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.475113][ T185] #4: ffffffffb1089ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.475116][ T185] irq event stamp: 58920 [ 9.475117][ T185] hardirqs last enabled at (58919): [] __down_trylock_console_sem+0x86/0xa0 [ 9.475121][ T185] hardirqs last disabled at (58920): [] console_emit_next_record+0x3d4/0x4c0 [ 9.475122][ T185] softirqs last enabled at (57366): [] netlink_release+0x17b/0xcf0 [ 9.475126][ T185] softirqs last disabled at (57364): [] netlink_release+0xd2/0xcf0 [ 9.475128][ T185] Preemption disabled at: [ 9.475129][ T185] [<0000000000000000>] 0x0 [ 9.475135][ T185] CPU: 0 UID: 0 PID: 185 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.475138][ T185] Tainted: [W]=WARN [ 9.475139][ T185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.475140][ T185] Call Trace: [ 9.475142][ T185] [ 9.475143][ T185] dump_stack_lvl+0x6f/0xa0 [ 9.475149][ T185] __might_resched.cold+0x1fe/0x2c1 [ 9.475153][ T185] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.475156][ T185] ? __kmalloc_noprof+0xdb/0x760 [ 9.475162][ T185] __kmalloc_noprof+0x443/0x760 [ 9.475164][ T185] ? alloc_buf.isra.0+0x4b/0x260 [ 9.475170][ T185] ? do_raw_spin_unlock+0x59/0x250 [ 9.475178][ T185] alloc_buf.isra.0+0x4b/0x260 [ 9.475181][ T185] put_chars+0x1e1/0x2f0 [ 9.475184][ T185] ? __send_to_port+0x420/0x420 [ 9.475190][ T185] hvc_console_print+0x292/0x780 [ 9.475197][ T185] ? hvc_write+0x3a0/0x3a0 [ 9.475200][ T185] ? lock_acquire+0x13c/0x160 [ 9.475205][ T185] console_emit_next_record+0x22f/0x4c0 [ 9.475208][ T185] ? devkmsg_read+0x4b0/0x4b0 [ 9.475209][ T185] ? console_flush_one_record+0x106/0x710 [ 9.475212][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.475215][ T185] ? lock_acquire+0x13c/0x160 [ 9.475219][ T185] console_flush_one_record+0x46f/0x710 [ 9.475223][ T185] ? console_emit_next_record+0x4c0/0x4c0 [ 9.475224][ T185] ? __lock_acquire+0x518/0xc20 [ 9.475229][ T185] console_unlock+0xee/0x1f0 [ 9.475232][ T185] ? console_flush_one_record+0x710/0x710 [ 9.475233][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.475235][ T185] ? lock_acquire+0x60/0x160 [ 9.475238][ T185] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.475240][ T185] ? vprintk_emit+0x320/0x3e0 [ 9.475243][ T185] vprintk_emit+0x37c/0x3e0 [ 9.475246][ T185] ? wake_up_klogd_work_func+0x90/0x90 [ 9.475249][ T185] ? __lock_acquire+0x518/0xc20 [ 9.475253][ T185] _printk+0xc7/0x100 [ 9.475256][ T185] ? snapshot_read.cold+0x21/0x21 [ 9.475259][ T185] ? do_raw_spin_lock+0x131/0x280 [ 9.475262][ T185] ? __rwlock_init+0x150/0x150 [ 9.475266][ T185] ? do_raw_spin_lock+0x131/0x280 [ 9.475268][ T185] do_exit.cold+0x82/0x9c [ 9.475272][ T185] ? exit_notify+0x890/0x890 [ 9.475274][ T185] ? __lock_release.isra.0+0x69/0x1a0 [ 9.475276][ T185] ? rcu_is_watching+0x16/0xd0 [ 9.475280][ T185] do_group_exit+0xb8/0x370 [ 9.475283][ T185] __x64_sys_exit_group+0x3c/0x50 [ 9.475285][ T185] x64_sys_call+0x1567/0x1570 [ 9.475288][ T185] do_syscall_64+0x10e/0x570 [ 9.475291][ T185] ? exc_page_fault+0xee/0x100 [ 9.475294][ T185] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.475297][ T185] RIP: 0033:0x7f1145c4d1b8 [ 9.475299][ T185] Code: Unable to access opcode bytes at 0x7f1145c4d18e. [ 9.475300][ T185] RSP: 002b:00007ffdbed2f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.475302][ T185] RAX: ffffffffffffffda RBX: 00007f1145d7df88 RCX: 00007f1145c4d1b8 [ 9.475303][ T185] RDX: 00007f1145997fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.475304][ T185] RBP: 00007ffdbed2f080 R08: 0000000000000000 R09: 0000000000008010 [ 9.475305][ T185] R10: 00007ffdbed2ee40 R11: 0000000000000246 R12: 0000000000000001 [ 9.475306][ T185] R13: 0000000000000000 R14: 00007f1145d7c680 R15: 00007f1145d7dfa0 [ 9.475313][ T185]