[ 11.560159][ T200] ip (200) used greatest stack depth: 23776 bytes left [ 11.560176][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.560178][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 11.560179][ T200] preempt_count: 2, expected: 0 [ 11.560180][ T200] RCU nest depth: 0, expected: 0 [ 11.560181][ T200] locks held by ip/200: 5, last CPU#3: [ 11.560183][ T200] #0: ffffffffa08167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.560195][ T200] #1: ffffffffa097ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.560200][ T200] #2: ffffffffa097de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.560205][ T200] #3: ffffffffa089d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.560209][ T200] #4: ffffffffa089d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.560213][ T200] irq event stamp: 47314 [ 11.560214][ T200] hardirqs last enabled at (47313): [] __down_trylock_console_sem+0x86/0xa0 [ 11.560217][ T200] hardirqs last disabled at (47314): [] console_emit_next_record+0x3d4/0x4c0 [ 11.560219][ T200] softirqs last enabled at (46024): [] netlink_release+0x17b/0xcf0 [ 11.560224][ T200] softirqs last disabled at (46022): [] netlink_release+0xd2/0xcf0 [ 11.560226][ T200] Preemption disabled at: [ 11.560227][ T200] [<0000000000000000>] 0x0 [ 11.560234][ T200] CPU: 3 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.560238][ T200] Tainted: [W]=WARN [ 11.560239][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.560241][ T200] Call Trace: [ 11.560243][ T200] [ 11.560244][ T200] dump_stack_lvl+0x6f/0xa0 [ 11.560251][ T200] __might_resched.cold+0x1fe/0x2c1 [ 11.560258][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.560262][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 11.560267][ T200] __kmalloc_noprof+0x443/0x760 [ 11.560269][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 11.560276][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 11.560278][ T200] alloc_buf.isra.0+0x4b/0x260 [ 11.560282][ T200] put_chars+0x1e1/0x2f0 [ 11.560285][ T200] ? __send_to_port+0x420/0x420 [ 11.560286][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.560290][ T200] ? validate_chain+0x38b/0xc20 [ 11.560296][ T200] hvc_console_print+0x292/0x780 [ 11.560304][ T200] ? hvc_write+0x3a0/0x3a0 [ 11.560306][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.560308][ T200] ? lock_acquire+0x13c/0x160 [ 11.560313][ T200] console_emit_next_record+0x22f/0x4c0 [ 11.560317][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 11.560319][ T200] ? console_flush_one_record+0x106/0x710 [ 11.560322][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.560324][ T200] ? lock_acquire+0x13c/0x160 [ 11.560328][ T200] console_flush_one_record+0x46f/0x710 [ 11.560332][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 11.560334][ T200] ? __lock_acquire+0x518/0xc20 [ 11.560340][ T200] console_unlock+0xee/0x1f0 [ 11.560342][ T200] ? console_flush_one_record+0x710/0x710 [ 11.560344][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.560346][ T200] ? lock_acquire+0xe0/0x160 [ 11.560350][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.560352][ T200] ? vprintk_emit+0x320/0x3e0 [ 11.560355][ T200] vprintk_emit+0x37c/0x3e0 [ 11.560358][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 11.560361][ T200] ? __lock_acquire+0x518/0xc20 [ 11.560365][ T200] _printk+0xc7/0x100 [ 11.560368][ T200] ? snapshot_read.cold+0x21/0x21 [ 11.560371][ T200] ? do_raw_spin_lock+0x131/0x280 [ 11.560374][ T200] ? __rwlock_init+0x150/0x150 [ 11.560378][ T200] ? do_raw_spin_lock+0x131/0x280 [ 11.560381][ T200] do_exit.cold+0x82/0x9c [ 11.560385][ T200] ? exit_notify+0x890/0x890 [ 11.560386][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 11.560389][ T200] ? rcu_is_watching+0x16/0xd0 [ 11.560393][ T200] do_group_exit+0xb8/0x370 [ 11.560396][ T200] __x64_sys_exit_group+0x3c/0x50 [ 11.560398][ T200] x64_sys_call+0x1567/0x1570 [ 11.560400][ T200] do_syscall_64+0xff/0x530 [ 11.560404][ T200] ? exc_page_fault+0xee/0x100 [ 11.560407][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.560410][ T200] RIP: 0033:0x7f10285c51b8 [ 11.560412][ T200] Code: Unable to access opcode bytes at 0x7f10285c518e. [ 11.560413][ T200] RSP: 002b:00007ffd432f1228 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.560416][ T200] RAX: ffffffffffffffda RBX: 00007f10286f5f88 RCX: 00007f10285c51b8 [ 11.560417][ T200] RDX: 00007f102830ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.560418][ T200] RBP: 00007ffd432f1280 R08: 0000000000000000 R09: 0000000000008010 [ 11.560419][ T200] R10: 00007ffd432f1040 R11: 0000000000000246 R12: 0000000000000001 [ 11.560420][ T200] R13: 0000000000000000 R14: 00007f10286f4680 R15: 00007f10286f5fa0 [ 11.560427][ T200]