[ 9.098743][ T196] ip (196) used greatest stack depth: 23808 bytes left [ 9.098760][ T196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.098762][ T196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 196, name: ip [ 9.098763][ T196] preempt_count: 2, expected: 0 [ 9.098764][ T196] RCU nest depth: 0, expected: 0 [ 9.098765][ T196] locks held by ip/196: 5, last CPU#0: [ 9.098766][ T196] #0: ffffffff8a0167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.098777][ T196] #1: ffffffff8a17ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.098782][ T196] #2: ffffffff8a17de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.098786][ T196] #3: ffffffff8a09d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.098790][ T196] #4: ffffffff8a09d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.098794][ T196] irq event stamp: 23710 [ 9.098794][ T196] hardirqs last enabled at (23709): [] __down_trylock_console_sem+0x86/0xa0 [ 9.098798][ T196] hardirqs last disabled at (23710): [] console_emit_next_record+0x3d4/0x4c0 [ 9.098800][ T196] softirqs last enabled at (22756): [] handle_softirqs+0x67c/0x900 [ 9.098802][ T196] softirqs last disabled at (21983): [] __irq_exit_rcu+0x145/0x1c0 [ 9.098805][ T196] Preemption disabled at: [ 9.098805][ T196] [<0000000000000000>] 0x0 [ 9.098812][ T196] CPU: 0 UID: 0 PID: 196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.098815][ T196] Tainted: [W]=WARN [ 9.098816][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.098818][ T196] Call Trace: [ 9.098819][ T196] [ 9.098821][ T196] dump_stack_lvl+0x6f/0xa0 [ 9.098827][ T196] __might_resched.cold+0x1fe/0x2c1 [ 9.098832][ T196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.098836][ T196] ? __kmalloc_noprof+0xdb/0x760 [ 9.098840][ T196] __kmalloc_noprof+0x443/0x760 [ 9.098842][ T196] ? alloc_buf.isra.0+0x4b/0x260 [ 9.098849][ T196] ? do_raw_spin_unlock+0x59/0x250 [ 9.098851][ T196] alloc_buf.isra.0+0x4b/0x260 [ 9.098855][ T196] put_chars+0x1e1/0x2f0 [ 9.098858][ T196] ? __send_to_port+0x420/0x420 [ 9.098859][ T196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.098862][ T196] ? validate_chain+0x38b/0xc20 [ 9.098867][ T196] hvc_console_print+0x292/0x780 [ 9.098875][ T196] ? hvc_write+0x3a0/0x3a0 [ 9.098877][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.098879][ T196] ? lock_acquire+0x13c/0x160 [ 9.098883][ T196] console_emit_next_record+0x22f/0x4c0 [ 9.098887][ T196] ? devkmsg_read+0x4b0/0x4b0 [ 9.098889][ T196] ? console_flush_one_record+0x106/0x710 [ 9.098892][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.098893][ T196] ? lock_acquire+0x13c/0x160 [ 9.098897][ T196] console_flush_one_record+0x46f/0x710 [ 9.098901][ T196] ? console_emit_next_record+0x4c0/0x4c0 [ 9.098903][ T196] ? __lock_acquire+0x518/0xc20 [ 9.098908][ T196] console_unlock+0xee/0x1f0 [ 9.098911][ T196] ? console_flush_one_record+0x710/0x710 [ 9.098913][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.098914][ T196] ? lock_acquire+0xe0/0x160 [ 9.098918][ T196] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.098920][ T196] ? vprintk_emit+0x320/0x3e0 [ 9.098923][ T196] vprintk_emit+0x37c/0x3e0 [ 9.098926][ T196] ? wake_up_klogd_work_func+0x90/0x90 [ 9.098928][ T196] ? __lock_acquire+0x518/0xc20 [ 9.098932][ T196] _printk+0xc7/0x100 [ 9.098935][ T196] ? snapshot_read.cold+0x21/0x21 [ 9.098938][ T196] ? do_raw_spin_lock+0x131/0x280 [ 9.098941][ T196] ? __rwlock_init+0x150/0x150 [ 9.098945][ T196] ? do_raw_spin_lock+0x131/0x280 [ 9.098947][ T196] do_exit.cold+0x82/0x9c [ 9.098951][ T196] ? exit_notify+0x890/0x890 [ 9.098952][ T196] ? __lock_release.isra.0+0x69/0x1a0 [ 9.098955][ T196] ? rcu_is_watching+0x16/0xd0 [ 9.098958][ T196] do_group_exit+0xb8/0x370 [ 9.098961][ T196] __x64_sys_exit_group+0x3c/0x50 [ 9.098963][ T196] x64_sys_call+0x1567/0x1570 [ 9.098965][ T196] do_syscall_64+0xff/0x530 [ 9.098969][ T196] ? exc_page_fault+0xee/0x100 [ 9.098972][ T196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.098974][ T196] RIP: 0033:0x7fb4c733f1b8 [ 9.098976][ T196] Code: Unable to access opcode bytes at 0x7fb4c733f18e. [ 9.098977][ T196] RSP: 002b:00007ffd323af208 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.098980][ T196] RAX: ffffffffffffffda RBX: 00007fb4c746ff88 RCX: 00007fb4c733f1b8 [ 9.098981][ T196] RDX: 00007fb4c7089fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.098982][ T196] RBP: 00007ffd323af260 R08: 0000000000000000 R09: 0000000000000050 [ 9.098983][ T196] R10: 00007ffd323af020 R11: 0000000000000246 R12: 0000000000000001 [ 9.098984][ T196] R13: 0000000000000000 R14: 00007fb4c746e680 R15: 00007fb4c746ffa0 [ 9.098990][ T196]