[ 9.883888][ T208] ip (208) used greatest stack depth: 24520 bytes left [ 9.883907][ T208] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.883909][ T208] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 208, name: ip [ 9.883911][ T208] preempt_count: 2, expected: 0 [ 9.883911][ T208] RCU nest depth: 0, expected: 0 [ 9.883912][ T208] locks held by ip/208: 5, last CPU#0: [ 9.883914][ T208] #0: ffffffff870167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.883926][ T208] #1: ffffffff8717ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.883931][ T208] #2: ffffffff8717de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.883935][ T208] #3: ffffffff8709d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.883939][ T208] #4: ffffffff8709d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.883943][ T208] irq event stamp: 27178 [ 9.883943][ T208] hardirqs last enabled at (27177): [] __down_trylock_console_sem+0x86/0xa0 [ 9.883947][ T208] hardirqs last disabled at (27178): [] console_emit_next_record+0x3d4/0x4c0 [ 9.883949][ T208] softirqs last enabled at (25622): [] handle_softirqs+0x67c/0x900 [ 9.883951][ T208] softirqs last disabled at (25129): [] __irq_exit_rcu+0x145/0x1c0 [ 9.883953][ T208] Preemption disabled at: [ 9.883954][ T208] [<0000000000000000>] 0x0 [ 9.883960][ T208] CPU: 0 UID: 0 PID: 208 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.883964][ T208] Tainted: [W]=WARN [ 9.883964][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.883966][ T208] Call Trace: [ 9.883968][ T208] [ 9.883969][ T208] dump_stack_lvl+0x6f/0xa0 [ 9.883976][ T208] __might_resched.cold+0x1fe/0x2c1 [ 9.883980][ T208] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.883985][ T208] ? __kmalloc_noprof+0xdb/0x760 [ 9.883989][ T208] __kmalloc_noprof+0x443/0x760 [ 9.883991][ T208] ? alloc_buf.isra.0+0x4b/0x260 [ 9.883997][ T208] ? do_raw_spin_unlock+0x59/0x250 [ 9.884000][ T208] alloc_buf.isra.0+0x4b/0x260 [ 9.884004][ T208] put_chars+0x1e1/0x2f0 [ 9.884006][ T208] ? __send_to_port+0x420/0x420 [ 9.884008][ T208] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.884011][ T208] ? validate_chain+0x38b/0xc20 [ 9.884016][ T208] hvc_console_print+0x292/0x780 [ 9.884026][ T208] ? hvc_write+0x3a0/0x3a0 [ 9.884028][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.884030][ T208] ? lock_acquire+0x13c/0x160 [ 9.884034][ T208] console_emit_next_record+0x22f/0x4c0 [ 9.884038][ T208] ? devkmsg_read+0x4b0/0x4b0 [ 9.884040][ T208] ? console_flush_one_record+0x106/0x710 [ 9.884043][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.884045][ T208] ? lock_acquire+0x13c/0x160 [ 9.884049][ T208] console_flush_one_record+0x46f/0x710 [ 9.884053][ T208] ? console_emit_next_record+0x4c0/0x4c0 [ 9.884055][ T208] ? __lock_acquire+0x518/0xc20 [ 9.884060][ T208] console_unlock+0xee/0x1f0 [ 9.884063][ T208] ? console_flush_one_record+0x710/0x710 [ 9.884065][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.884066][ T208] ? lock_acquire+0xe0/0x160 [ 9.884070][ T208] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.884072][ T208] ? vprintk_emit+0x320/0x3e0 [ 9.884074][ T208] vprintk_emit+0x37c/0x3e0 [ 9.884077][ T208] ? wake_up_klogd_work_func+0x90/0x90 [ 9.884080][ T208] ? __lock_acquire+0x518/0xc20 [ 9.884084][ T208] _printk+0xc7/0x100 [ 9.884088][ T208] ? snapshot_read.cold+0x21/0x21 [ 9.884090][ T208] ? do_raw_spin_lock+0x131/0x280 [ 9.884093][ T208] ? __rwlock_init+0x150/0x150 [ 9.884097][ T208] ? do_raw_spin_lock+0x131/0x280 [ 9.884100][ T208] do_exit.cold+0x82/0x9c [ 9.884104][ T208] ? exit_notify+0x890/0x890 [ 9.884105][ T208] ? __lock_release.isra.0+0x69/0x1a0 [ 9.884108][ T208] ? rcu_is_watching+0x16/0xd0 [ 9.884111][ T208] do_group_exit+0xb8/0x370 [ 9.884114][ T208] __x64_sys_exit_group+0x3c/0x50 [ 9.884116][ T208] x64_sys_call+0x1567/0x1570 [ 9.884118][ T208] do_syscall_64+0xff/0x530 [ 9.884122][ T208] ? exc_page_fault+0xee/0x100 [ 9.884125][ T208] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.884128][ T208] RIP: 0033:0x7fabe430c1b8 [ 9.884130][ T208] Code: Unable to access opcode bytes at 0x7fabe430c18e. [ 9.884131][ T208] RSP: 002b:00007ffc585cba88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.884133][ T208] RAX: ffffffffffffffda RBX: 00007fabe443cf88 RCX: 00007fabe430c1b8 [ 9.884135][ T208] RDX: 00007fabe4056fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.884136][ T208] RBP: 00007ffc585cbae0 R08: 0000000000000000 R09: 0000000000000050 [ 9.884136][ T208] R10: 00007ffc585cb8a0 R11: 0000000000000246 R12: 0000000000000001 [ 9.884137][ T208] R13: 0000000000000000 R14: 00007fabe443b680 R15: 00007fabe443cfa0 [ 9.884144][ T208] [ 9.941057][ T209] ip (209) used greatest stack depth: 23760 bytes left