[ 9.644924][ T175] ip (175) used greatest stack depth: 23808 bytes left [ 9.644944][ T175] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.644946][ T175] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 175, name: ip [ 9.644947][ T175] preempt_count: 2, expected: 0 [ 9.644949][ T175] RCU nest depth: 0, expected: 0 [ 9.644950][ T175] locks held by ip/175: 5, last CPU#1: [ 9.644952][ T175] #0: ffffffffac8027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.644963][ T175] #1: ffffffffac969cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.644969][ T175] #2: ffffffffac969d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.644972][ T175] #3: ffffffffac889660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.644975][ T175] #4: ffffffffac889560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.644979][ T175] irq event stamp: 26492 [ 9.644979][ T175] hardirqs last enabled at (26491): [] __down_trylock_console_sem+0x86/0xa0 [ 9.644983][ T175] hardirqs last disabled at (26492): [] console_emit_next_record+0x3d4/0x4c0 [ 9.644984][ T175] softirqs last enabled at (26486): [] handle_softirqs+0x67c/0x900 [ 9.644986][ T175] softirqs last disabled at (25297): [] __irq_exit_rcu+0x145/0x1c0 [ 9.644989][ T175] Preemption disabled at: [ 9.644990][ T175] [<0000000000000000>] 0x0 [ 9.644996][ T175] CPU: 1 UID: 0 PID: 175 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.644999][ T175] Tainted: [W]=WARN [ 9.645000][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.645002][ T175] Call Trace: [ 9.645004][ T175] [ 9.645005][ T175] dump_stack_lvl+0x6f/0xa0 [ 9.645011][ T175] __might_resched.cold+0x1fe/0x2c1 [ 9.645015][ T175] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.645018][ T175] ? __kmalloc_noprof+0xdb/0x760 [ 9.645023][ T175] __kmalloc_noprof+0x443/0x760 [ 9.645026][ T175] ? alloc_buf.isra.0+0x4b/0x260 [ 9.645032][ T175] ? do_raw_spin_unlock+0x59/0x250 [ 9.645034][ T175] alloc_buf.isra.0+0x4b/0x260 [ 9.645038][ T175] put_chars+0x1e1/0x2f0 [ 9.645041][ T175] ? __send_to_port+0x420/0x420 [ 9.645042][ T175] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.645046][ T175] ? validate_chain+0x38b/0xc20 [ 9.645052][ T175] hvc_console_print+0x292/0x780 [ 9.645058][ T175] ? hvc_write+0x3a0/0x3a0 [ 9.645061][ T175] ? rcu_is_watching+0x16/0xd0 [ 9.645063][ T175] ? lock_acquire+0x13c/0x160 [ 9.645067][ T175] console_emit_next_record+0x22f/0x4c0 [ 9.645070][ T175] ? devkmsg_read+0x4b0/0x4b0 [ 9.645071][ T175] ? console_flush_one_record+0x106/0x710 [ 9.645074][ T175] ? rcu_is_watching+0x16/0xd0 [ 9.645076][ T175] ? lock_acquire+0x13c/0x160 [ 9.645080][ T175] console_flush_one_record+0x46f/0x710 [ 9.645083][ T175] ? console_emit_next_record+0x4c0/0x4c0 [ 9.645085][ T175] ? __lock_acquire+0x518/0xc20 [ 9.645090][ T175] console_unlock+0xee/0x1f0 [ 9.645092][ T175] ? console_flush_one_record+0x710/0x710 [ 9.645093][ T175] ? rcu_is_watching+0x16/0xd0 [ 9.645095][ T175] ? lock_acquire+0x60/0x160 [ 9.645099][ T175] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.645101][ T175] ? vprintk_emit+0x320/0x3e0 [ 9.645104][ T175] vprintk_emit+0x37c/0x3e0 [ 9.645107][ T175] ? wake_up_klogd_work_func+0x90/0x90 [ 9.645110][ T175] ? __lock_acquire+0x518/0xc20 [ 9.645114][ T175] _printk+0xc7/0x100 [ 9.645117][ T175] ? snapshot_read.cold+0x21/0x21 [ 9.645120][ T175] ? do_raw_spin_lock+0x131/0x280 [ 9.645123][ T175] ? __rwlock_init+0x150/0x150 [ 9.645127][ T175] ? do_raw_spin_lock+0x131/0x280 [ 9.645130][ T175] do_exit.cold+0x82/0x9c [ 9.645133][ T175] ? exit_notify+0x890/0x890 [ 9.645135][ T175] ? __lock_release.isra.0+0x69/0x1a0 [ 9.645138][ T175] ? rcu_is_watching+0x16/0xd0 [ 9.645141][ T175] do_group_exit+0xb8/0x370 [ 9.645144][ T175] __x64_sys_exit_group+0x3c/0x50 [ 9.645146][ T175] x64_sys_call+0x1567/0x1570 [ 9.645149][ T175] do_syscall_64+0xff/0x530 [ 9.645153][ T175] ? exc_page_fault+0xee/0x100 [ 9.645155][ T175] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.645157][ T175] RIP: 0033:0x7fce8c81d1b8 [ 9.645160][ T175] Code: Unable to access opcode bytes at 0x7fce8c81d18e. [ 9.645161][ T175] RSP: 002b:00007ffd12ea4668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.645163][ T175] RAX: ffffffffffffffda RBX: 00007fce8c94df88 RCX: 00007fce8c81d1b8 [ 9.645165][ T175] RDX: 00007fce8c567fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.645165][ T175] RBP: 00007ffd12ea46c0 R08: 0000000000000000 R09: 0000000000008010 [ 9.645166][ T175] R10: 00007ffd12ea4480 R11: 0000000000000246 R12: 0000000000000001 [ 9.645167][ T175] R13: 0000000000000000 R14: 00007fce8c94c680 R15: 00007fce8c94dfa0 [ 9.645173][ T175]