[ 9.286476][ T199] ip (199) used greatest stack depth: 23888 bytes left [ 9.286491][ T199] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.286493][ T199] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 199, name: ip [ 9.286495][ T199] preempt_count: 2, expected: 0 [ 9.286496][ T199] RCU nest depth: 0, expected: 0 [ 9.286497][ T199] locks held by ip/199: 5, last CPU#3: [ 9.286499][ T199] #0: ffffffffa08167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.286510][ T199] #1: ffffffffa097ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.286514][ T199] #2: ffffffffa097de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.286518][ T199] #3: ffffffffa089d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.286522][ T199] #4: ffffffffa089d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.286526][ T199] irq event stamp: 31496 [ 9.286527][ T199] hardirqs last enabled at (31495): [] __down_trylock_console_sem+0x86/0xa0 [ 9.286530][ T199] hardirqs last disabled at (31496): [] console_emit_next_record+0x3d4/0x4c0 [ 9.286532][ T199] softirqs last enabled at (30208): [] netlink_release+0x17b/0xcf0 [ 9.286536][ T199] softirqs last disabled at (30206): [] netlink_release+0xd2/0xcf0 [ 9.286538][ T199] Preemption disabled at: [ 9.286539][ T199] [<0000000000000000>] 0x0 [ 9.286545][ T199] CPU: 3 UID: 0 PID: 199 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.286549][ T199] Tainted: [W]=WARN [ 9.286550][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.286551][ T199] Call Trace: [ 9.286553][ T199] [ 9.286554][ T199] dump_stack_lvl+0x6f/0xa0 [ 9.286561][ T199] __might_resched.cold+0x1fe/0x2c1 [ 9.286566][ T199] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.286570][ T199] ? __kmalloc_noprof+0xdb/0x760 [ 9.286574][ T199] __kmalloc_noprof+0x443/0x760 [ 9.286576][ T199] ? alloc_buf.isra.0+0x4b/0x260 [ 9.286582][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 9.286585][ T199] alloc_buf.isra.0+0x4b/0x260 [ 9.286588][ T199] put_chars+0x1e1/0x2f0 [ 9.286591][ T199] ? __send_to_port+0x420/0x420 [ 9.286592][ T199] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.286595][ T199] ? validate_chain+0x38b/0xc20 [ 9.286601][ T199] hvc_console_print+0x292/0x780 [ 9.286608][ T199] ? hvc_write+0x3a0/0x3a0 [ 9.286611][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.286613][ T199] ? lock_acquire+0x13c/0x160 [ 9.286617][ T199] console_emit_next_record+0x22f/0x4c0 [ 9.286621][ T199] ? devkmsg_read+0x4b0/0x4b0 [ 9.286622][ T199] ? console_flush_one_record+0x106/0x710 [ 9.286626][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.286627][ T199] ? lock_acquire+0x13c/0x160 [ 9.286631][ T199] console_flush_one_record+0x46f/0x710 [ 9.286635][ T199] ? console_emit_next_record+0x4c0/0x4c0 [ 9.286637][ T199] ? __lock_acquire+0x518/0xc20 [ 9.286642][ T199] console_unlock+0xee/0x1f0 [ 9.286645][ T199] ? console_flush_one_record+0x710/0x710 [ 9.286647][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.286648][ T199] ? lock_acquire+0xe0/0x160 [ 9.286652][ T199] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.286654][ T199] ? vprintk_emit+0x320/0x3e0 [ 9.286656][ T199] vprintk_emit+0x37c/0x3e0 [ 9.286659][ T199] ? wake_up_klogd_work_func+0x90/0x90 [ 9.286662][ T199] ? __lock_acquire+0x518/0xc20 [ 9.286666][ T199] _printk+0xc7/0x100 [ 9.286669][ T199] ? snapshot_read.cold+0x21/0x21 [ 9.286672][ T199] ? do_raw_spin_lock+0x131/0x280 [ 9.286674][ T199] ? __rwlock_init+0x150/0x150 [ 9.286678][ T199] ? do_raw_spin_lock+0x131/0x280 [ 9.286681][ T199] do_exit.cold+0x82/0x9c [ 9.286684][ T199] ? exit_notify+0x890/0x890 [ 9.286686][ T199] ? __lock_release.isra.0+0x69/0x1a0 [ 9.286688][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.286692][ T199] do_group_exit+0xb8/0x370 [ 9.286694][ T199] __x64_sys_exit_group+0x3c/0x50 [ 9.286696][ T199] x64_sys_call+0x1567/0x1570 [ 9.286699][ T199] do_syscall_64+0xff/0x530 [ 9.286702][ T199] ? exc_page_fault+0xee/0x100 [ 9.286705][ T199] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.286708][ T199] RIP: 0033:0x7f70187881b8 [ 9.286710][ T199] Code: Unable to access opcode bytes at 0x7f701878818e. [ 9.286711][ T199] RSP: 002b:00007fffb7bbbbe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.286713][ T199] RAX: ffffffffffffffda RBX: 00007f70188b8f88 RCX: 00007f70187881b8 [ 9.286714][ T199] RDX: 00007f70184d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.286715][ T199] RBP: 00007fffb7bbbc40 R08: 0000000000000000 R09: 0000000000008010 [ 9.286716][ T199] R10: 00007fffb7bbba00 R11: 0000000000000246 R12: 0000000000000001 [ 9.286717][ T199] R13: 0000000000000000 R14: 00007f70188b7680 R15: 00007f70188b8fa0 [ 9.286723][ T199]