[ 9.452972][ T203] ip (203) used greatest stack depth: 24152 bytes left [ 9.452992][ T203] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.452994][ T203] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 203, name: ip [ 9.452995][ T203] preempt_count: 2, expected: 0 [ 9.452996][ T203] RCU nest depth: 0, expected: 0 [ 9.452997][ T203] locks held by ip/203: 5, last CPU#3: [ 9.452999][ T203] #0: ffffffff938167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.453010][ T203] #1: ffffffff9397ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.453015][ T203] #2: ffffffff9397de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.453019][ T203] #3: ffffffff9389d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.453022][ T203] #4: ffffffff9389d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.453026][ T203] irq event stamp: 21524 [ 9.453027][ T203] hardirqs last enabled at (21523): [] __down_trylock_console_sem+0x86/0xa0 [ 9.453030][ T203] hardirqs last disabled at (21524): [] console_emit_next_record+0x3d4/0x4c0 [ 9.453032][ T203] softirqs last enabled at (19956): [] netlink_release+0x17b/0xcf0 [ 9.453036][ T203] softirqs last disabled at (19954): [] netlink_release+0xd2/0xcf0 [ 9.453039][ T203] Preemption disabled at: [ 9.453039][ T203] [<0000000000000000>] 0x0 [ 9.453045][ T203] CPU: 3 UID: 0 PID: 203 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.453049][ T203] Tainted: [W]=WARN [ 9.453050][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.453051][ T203] Call Trace: [ 9.453053][ T203] [ 9.453054][ T203] dump_stack_lvl+0x6f/0xa0 [ 9.453060][ T203] __might_resched.cold+0x1fe/0x2c1 [ 9.453065][ T203] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.453069][ T203] ? __kmalloc_noprof+0xdb/0x760 [ 9.453073][ T203] __kmalloc_noprof+0x443/0x760 [ 9.453075][ T203] ? alloc_buf.isra.0+0x4b/0x260 [ 9.453081][ T203] ? do_raw_spin_unlock+0x59/0x250 [ 9.453084][ T203] alloc_buf.isra.0+0x4b/0x260 [ 9.453088][ T203] put_chars+0x1e1/0x2f0 [ 9.453090][ T203] ? __send_to_port+0x420/0x420 [ 9.453091][ T203] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.453095][ T203] ? validate_chain+0x38b/0xc20 [ 9.453100][ T203] hvc_console_print+0x292/0x780 [ 9.453107][ T203] ? hvc_write+0x3a0/0x3a0 [ 9.453110][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.453112][ T203] ? lock_acquire+0x13c/0x160 [ 9.453116][ T203] console_emit_next_record+0x22f/0x4c0 [ 9.453120][ T203] ? devkmsg_read+0x4b0/0x4b0 [ 9.453122][ T203] ? console_flush_one_record+0x106/0x710 [ 9.453125][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.453126][ T203] ? lock_acquire+0x13c/0x160 [ 9.453130][ T203] console_flush_one_record+0x46f/0x710 [ 9.453134][ T203] ? console_emit_next_record+0x4c0/0x4c0 [ 9.453136][ T203] ? __lock_acquire+0x518/0xc20 [ 9.453141][ T203] console_unlock+0xee/0x1f0 [ 9.453144][ T203] ? console_flush_one_record+0x710/0x710 [ 9.453146][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.453148][ T203] ? lock_acquire+0xe0/0x160 [ 9.453151][ T203] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.453153][ T203] ? vprintk_emit+0x320/0x3e0 [ 9.453156][ T203] vprintk_emit+0x37c/0x3e0 [ 9.453159][ T203] ? wake_up_klogd_work_func+0x90/0x90 [ 9.453162][ T203] ? __lock_acquire+0x518/0xc20 [ 9.453165][ T203] _printk+0xc7/0x100 [ 9.453169][ T203] ? snapshot_read.cold+0x21/0x21 [ 9.453172][ T203] ? do_raw_spin_lock+0x131/0x280 [ 9.453174][ T203] ? __rwlock_init+0x150/0x150 [ 9.453178][ T203] ? do_raw_spin_lock+0x131/0x280 [ 9.453181][ T203] do_exit.cold+0x82/0x9c [ 9.453184][ T203] ? exit_notify+0x890/0x890 [ 9.453186][ T203] ? __lock_release.isra.0+0x69/0x1a0 [ 9.453188][ T203] ? rcu_is_watching+0x16/0xd0 [ 9.453192][ T203] do_group_exit+0xb8/0x370 [ 9.453194][ T203] __x64_sys_exit_group+0x3c/0x50 [ 9.453196][ T203] x64_sys_call+0x1567/0x1570 [ 9.453199][ T203] do_syscall_64+0xff/0x530 [ 9.453203][ T203] ? exc_page_fault+0xee/0x100 [ 9.453206][ T203] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.453208][ T203] RIP: 0033:0x7f3e2348e1b8 [ 9.453210][ T203] Code: Unable to access opcode bytes at 0x7f3e2348e18e. [ 9.453211][ T203] RSP: 002b:00007ffe8a7bad38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.453213][ T203] RAX: ffffffffffffffda RBX: 00007f3e235bef88 RCX: 00007f3e2348e1b8 [ 9.453215][ T203] RDX: 00007f3e231d8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.453215][ T203] RBP: 00007ffe8a7bad90 R08: 0000000000000000 R09: 0000000000000050 [ 9.453216][ T203] R10: 00007ffe8a7bab50 R11: 0000000000000246 R12: 0000000000000001 [ 9.453217][ T203] R13: 0000000000000000 R14: 00007f3e235bd680 R15: 00007f3e235befa0 [ 9.453224][ T203] [ 9.618963][ T208] ip (208) used greatest stack depth: 23800 bytes left