[ 10.079194][ T197] ip (197) used greatest stack depth: 23640 bytes left [ 10.079212][ T197] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.079214][ T197] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 197, name: ip [ 10.079216][ T197] preempt_count: 2, expected: 0 [ 10.079217][ T197] RCU nest depth: 0, expected: 0 [ 10.079218][ T197] locks held by ip/197: 5, last CPU#2: [ 10.079220][ T197] #0: ffffffffb64167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.079231][ T197] #1: ffffffffb657ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.079235][ T197] #2: ffffffffb657de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.079240][ T197] #3: ffffffffb649d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.079244][ T197] #4: ffffffffb649d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.079247][ T197] irq event stamp: 37648 [ 10.079248][ T197] hardirqs last enabled at (37647): [] __down_trylock_console_sem+0x86/0xa0 [ 10.079252][ T197] hardirqs last disabled at (37648): [] console_emit_next_record+0x3d4/0x4c0 [ 10.079253][ T197] softirqs last enabled at (37642): [] handle_softirqs+0x67c/0x900 [ 10.079256][ T197] softirqs last disabled at (37381): [] __irq_exit_rcu+0x145/0x1c0 [ 10.079258][ T197] Preemption disabled at: [ 10.079259][ T197] [<0000000000000000>] 0x0 [ 10.079266][ T197] CPU: 2 UID: 0 PID: 197 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.079269][ T197] Tainted: [W]=WARN [ 10.079270][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.079272][ T197] Call Trace: [ 10.079274][ T197] [ 10.079275][ T197] dump_stack_lvl+0x6f/0xa0 [ 10.079282][ T197] __might_resched.cold+0x1fe/0x2c1 [ 10.079286][ T197] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.079290][ T197] ? __kmalloc_noprof+0xdb/0x760 [ 10.079295][ T197] __kmalloc_noprof+0x443/0x760 [ 10.079297][ T197] ? alloc_buf.isra.0+0x4b/0x260 [ 10.079304][ T197] ? do_raw_spin_unlock+0x59/0x250 [ 10.079307][ T197] alloc_buf.isra.0+0x4b/0x260 [ 10.079311][ T197] put_chars+0x1e1/0x2f0 [ 10.079314][ T197] ? __send_to_port+0x420/0x420 [ 10.079315][ T197] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.079318][ T197] ? validate_chain+0x38b/0xc20 [ 10.079324][ T197] hvc_console_print+0x292/0x780 [ 10.079332][ T197] ? hvc_write+0x3a0/0x3a0 [ 10.079335][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.079337][ T197] ? lock_acquire+0x13c/0x160 [ 10.079341][ T197] console_emit_next_record+0x22f/0x4c0 [ 10.079345][ T197] ? devkmsg_read+0x4b0/0x4b0 [ 10.079347][ T197] ? console_flush_one_record+0x106/0x710 [ 10.079350][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.079352][ T197] ? lock_acquire+0x13c/0x160 [ 10.079356][ T197] console_flush_one_record+0x46f/0x710 [ 10.079361][ T197] ? console_emit_next_record+0x4c0/0x4c0 [ 10.079362][ T197] ? __lock_acquire+0x518/0xc20 [ 10.079368][ T197] console_unlock+0xee/0x1f0 [ 10.079371][ T197] ? console_flush_one_record+0x710/0x710 [ 10.079373][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.079374][ T197] ? lock_acquire+0xe0/0x160 [ 10.079378][ T197] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.079380][ T197] ? vprintk_emit+0x320/0x3e0 [ 10.079383][ T197] vprintk_emit+0x37c/0x3e0 [ 10.079386][ T197] ? wake_up_klogd_work_func+0x90/0x90 [ 10.079389][ T197] ? __lock_acquire+0x518/0xc20 [ 10.079393][ T197] _printk+0xc7/0x100 [ 10.079397][ T197] ? snapshot_read.cold+0x21/0x21 [ 10.079399][ T197] ? do_raw_spin_lock+0x131/0x280 [ 10.079402][ T197] ? __rwlock_init+0x150/0x150 [ 10.079406][ T197] ? do_raw_spin_lock+0x131/0x280 [ 10.079409][ T197] do_exit.cold+0x82/0x9c [ 10.079412][ T197] ? exit_notify+0x890/0x890 [ 10.079414][ T197] ? __lock_release.isra.0+0x69/0x1a0 [ 10.079417][ T197] ? rcu_is_watching+0x16/0xd0 [ 10.079420][ T197] do_group_exit+0xb8/0x370 [ 10.079423][ T197] __x64_sys_exit_group+0x3c/0x50 [ 10.079425][ T197] x64_sys_call+0x1567/0x1570 [ 10.079427][ T197] do_syscall_64+0xff/0x530 [ 10.079432][ T197] ? exc_page_fault+0xee/0x100 [ 10.079435][ T197] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.079437][ T197] RIP: 0033:0x7f8fa01951b8 [ 10.079439][ T197] Code: Unable to access opcode bytes at 0x7f8fa019518e. [ 10.079440][ T197] RSP: 002b:00007ffc39bf9088 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.079442][ T197] RAX: ffffffffffffffda RBX: 00007f8fa02c5f88 RCX: 00007f8fa01951b8 [ 10.079444][ T197] RDX: 00007f8f9fedffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.079445][ T197] RBP: 00007ffc39bf90e0 R08: 0000000000000000 R09: 0000000000000050 [ 10.079445][ T197] R10: 00007ffc39bf8ea0 R11: 0000000000000246 R12: 0000000000000001 [ 10.079446][ T197] R13: 0000000000000000 R14: 00007f8fa02c4680 R15: 00007f8fa02c5fa0 [ 10.079453][ T197]