[ 11.455759][ T208] ip (208) used greatest stack depth: 23792 bytes left [ 11.455776][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.455778][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 11.455779][ T208] preempt_count: 2, expected: 0 [ 11.455780][ T208] RCU nest depth: 0, expected: 0 [ 11.455781][ T208] locks held by ip/208: 5, last CPU#0: [ 11.455783][ T208] #0: ffffffff96c167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.455794][ T208] #1: ffffffff96d7ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.455799][ T208] #2: ffffffff96d7de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.455803][ T208] #3: ffffffff96c9d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.455807][ T208] #4: ffffffff96c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.455811][ T208] irq event stamp: 22292 [ 11.455812][ T208] hardirqs last enabled at (22291): [] __down_trylock_console_sem+0x86/0xa0 [ 11.455815][ T208] hardirqs last disabled at (22292): [] console_emit_next_record+0x3d4/0x4c0 [ 11.455817][ T208] softirqs last enabled at (21386): [] handle_softirqs+0x67c/0x900 [ 11.455820][ T208] softirqs last disabled at (21379): [] __irq_exit_rcu+0x145/0x1c0 [ 11.455822][ T208] Preemption disabled at: [ 11.455823][ T208] [<0000000000000000>] 0x0 [ 11.455830][ T208] CPU: 0 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.455834][ T208] Tainted: [W]=WARN [ 11.455834][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.455836][ T208] Call Trace: [ 11.455837][ T208] [ 11.455839][ T208] dump_stack_lvl+0x6f/0xa0 [ 11.455846][ T208] __might_resched.cold+0x1fe/0x2c1 [ 11.455850][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.455855][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 11.455859][ T208] __kmalloc_noprof+0x443/0x760 [ 11.455861][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 11.455868][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 11.455871][ T208] alloc_buf.isra.0+0x4b/0x260 [ 11.455874][ T208] put_chars+0x1e1/0x2f0 [ 11.455877][ T208] ? __send_to_port+0x420/0x420 [ 11.455878][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.455881][ T208] ? validate_chain+0x38b/0xc20 [ 11.455887][ T208] hvc_console_print+0x292/0x780 [ 11.455894][ T208] ? hvc_write+0x3a0/0x3a0 [ 11.455897][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.455899][ T208] ? lock_acquire+0x13c/0x160 [ 11.455903][ T208] console_emit_next_record+0x22f/0x4c0 [ 11.455907][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 11.455909][ T208] ? console_flush_one_record+0x106/0x710 [ 11.455912][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.455914][ T208] ? lock_acquire+0x13c/0x160 [ 11.455918][ T208] console_flush_one_record+0x46f/0x710 [ 11.455922][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 11.455924][ T208] ? __lock_acquire+0x518/0xc20 [ 11.455929][ T208] console_unlock+0xee/0x1f0 [ 11.455932][ T208] ? console_flush_one_record+0x710/0x710 [ 11.455934][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.455935][ T208] ? lock_acquire+0xe0/0x160 [ 11.455939][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.455941][ T208] ? vprintk_emit+0x320/0x3e0 [ 11.455943][ T208] vprintk_emit+0x37c/0x3e0 [ 11.455946][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 11.455949][ T208] ? __lock_acquire+0x518/0xc20 [ 11.455953][ T208] _printk+0xc7/0x100 [ 11.455957][ T208] ? snapshot_read.cold+0x21/0x21 [ 11.455959][ T208] ? do_raw_spin_lock+0x131/0x280 [ 11.455962][ T208] ? __rwlock_init+0x150/0x150 [ 11.455966][ T208] ? do_raw_spin_lock+0x131/0x280 [ 11.455969][ T208] do_exit.cold+0x82/0x9c [ 11.455973][ T208] ? exit_notify+0x890/0x890 [ 11.455974][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 11.455977][ T208] ? rcu_is_watching+0x16/0xd0 [ 11.455980][ T208] do_group_exit+0xb8/0x370 [ 11.455983][ T208] __x64_sys_exit_group+0x3c/0x50 [ 11.455985][ T208] x64_sys_call+0x1567/0x1570 [ 11.455987][ T208] do_syscall_64+0xff/0x530 [ 11.455991][ T208] ? exc_page_fault+0xee/0x100 [ 11.455994][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.455996][ T208] RIP: 0033:0x7f49cc22a1b8 [ 11.455998][ T208] Code: Unable to access opcode bytes at 0x7f49cc22a18e. [ 11.455999][ T208] RSP: 002b:00007fff118c5c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.456002][ T208] RAX: ffffffffffffffda RBX: 00007f49cc35af88 RCX: 00007f49cc22a1b8 [ 11.456003][ T208] RDX: 00007f49cbf74fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.456004][ T208] RBP: 00007fff118c5c80 R08: 0000000000000000 R09: 0000000000000050 [ 11.456005][ T208] R10: 00007fff118c5a40 R11: 0000000000000246 R12: 0000000000000001 [ 11.456006][ T208] R13: 0000000000000000 R14: 00007f49cc359680 R15: 00007f49cc35afa0 [ 11.456013][ T208]