[ 9.781595][ T187] ip (187) used greatest stack depth: 23792 bytes left [ 9.781611][ T187] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.781613][ T187] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 187, name: ip [ 9.781614][ T187] preempt_count: 2, expected: 0 [ 9.781615][ T187] RCU nest depth: 0, expected: 0 [ 9.781616][ T187] locks held by ip/187: 5, last CPU#3: [ 9.781618][ T187] #0: ffffffff8f2027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.781631][ T187] #1: ffffffff8f369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.781636][ T187] #2: ffffffff8f369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.781640][ T187] #3: ffffffff8f289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.781644][ T187] #4: ffffffff8f289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.781648][ T187] irq event stamp: 50770 [ 9.781649][ T187] hardirqs last enabled at (50769): [] __down_trylock_console_sem+0x86/0xa0 [ 9.781651][ T187] hardirqs last disabled at (50770): [] console_emit_next_record+0x3d4/0x4c0 [ 9.781653][ T187] softirqs last enabled at (49486): [] netlink_release+0x17b/0xcf0 [ 9.781657][ T187] softirqs last disabled at (49484): [] netlink_release+0xd2/0xcf0 [ 9.781659][ T187] Preemption disabled at: [ 9.781660][ T187] [<0000000000000000>] 0x0 [ 9.781666][ T187] CPU: 3 UID: 0 PID: 187 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.781670][ T187] Tainted: [W]=WARN [ 9.781671][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.781673][ T187] Call Trace: [ 9.781674][ T187] [ 9.781676][ T187] dump_stack_lvl+0x6f/0xa0 [ 9.781682][ T187] __might_resched.cold+0x1fe/0x2c1 [ 9.781686][ T187] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.781691][ T187] ? __kmalloc_noprof+0xdb/0x760 [ 9.781696][ T187] __kmalloc_noprof+0x443/0x760 [ 9.781698][ T187] ? alloc_buf.isra.0+0x4b/0x260 [ 9.781703][ T187] ? do_raw_spin_unlock+0x59/0x250 [ 9.781706][ T187] alloc_buf.isra.0+0x4b/0x260 [ 9.781709][ T187] put_chars+0x1e1/0x2f0 [ 9.781712][ T187] ? __send_to_port+0x420/0x420 [ 9.781714][ T187] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.781718][ T187] ? validate_chain+0x38b/0xc20 [ 9.781723][ T187] hvc_console_print+0x292/0x780 [ 9.781729][ T187] ? hvc_write+0x3a0/0x3a0 [ 9.781731][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.781734][ T187] ? lock_acquire+0x13c/0x160 [ 9.781738][ T187] console_emit_next_record+0x22f/0x4c0 [ 9.781741][ T187] ? devkmsg_read+0x4b0/0x4b0 [ 9.781743][ T187] ? console_flush_one_record+0x106/0x710 [ 9.781746][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.781749][ T187] ? lock_acquire+0x13c/0x160 [ 9.781752][ T187] console_flush_one_record+0x46f/0x710 [ 9.781756][ T187] ? console_emit_next_record+0x4c0/0x4c0 [ 9.781758][ T187] ? __lock_acquire+0x518/0xc20 [ 9.781763][ T187] console_unlock+0xee/0x1f0 [ 9.781766][ T187] ? console_flush_one_record+0x710/0x710 [ 9.781768][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.781770][ T187] ? lock_acquire+0x60/0x160 [ 9.781774][ T187] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.781776][ T187] ? vprintk_emit+0x320/0x3e0 [ 9.781779][ T187] vprintk_emit+0x37c/0x3e0 [ 9.781783][ T187] ? wake_up_klogd_work_func+0x90/0x90 [ 9.781786][ T187] ? __lock_acquire+0x518/0xc20 [ 9.781790][ T187] _printk+0xc7/0x100 [ 9.781794][ T187] ? snapshot_read.cold+0x21/0x21 [ 9.781796][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.781799][ T187] ? __rwlock_init+0x150/0x150 [ 9.781805][ T187] ? do_raw_spin_lock+0x131/0x280 [ 9.781808][ T187] do_exit.cold+0x82/0x9c [ 9.781812][ T187] ? exit_notify+0x890/0x890 [ 9.781814][ T187] ? __lock_release.isra.0+0x69/0x1a0 [ 9.781817][ T187] ? rcu_is_watching+0x16/0xd0 [ 9.781821][ T187] do_group_exit+0xb8/0x370 [ 9.781823][ T187] __x64_sys_exit_group+0x3c/0x50 [ 9.781825][ T187] x64_sys_call+0x1567/0x1570 [ 9.781827][ T187] do_syscall_64+0xff/0x530 [ 9.781830][ T187] ? exc_page_fault+0xee/0x100 [ 9.781833][ T187] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.781836][ T187] RIP: 0033:0x7f29fbaf91b8 [ 9.781838][ T187] Code: Unable to access opcode bytes at 0x7f29fbaf918e. [ 9.781839][ T187] RSP: 002b:00007ffcfa4b6398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.781841][ T187] RAX: ffffffffffffffda RBX: 00007f29fbc29f88 RCX: 00007f29fbaf91b8 [ 9.781843][ T187] RDX: 00007f29fb843fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.781844][ T187] RBP: 00007ffcfa4b63f0 R08: 0000000000000000 R09: 0000000000008010 [ 9.781844][ T187] R10: 00007ffcfa4b61b0 R11: 0000000000000246 R12: 0000000000000001 [ 9.781845][ T187] R13: 0000000000000000 R14: 00007f29fbc28680 R15: 00007f29fbc29fa0 [ 9.781852][ T187] [ 10.178013][ T209] ip (209) used greatest stack depth: 23728 bytes left