[ 8.575133][ T196] ip (196) used greatest stack depth: 24880 bytes left [ 8.575147][ T196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.575149][ T196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 196, name: ip [ 8.575151][ T196] preempt_count: 2, expected: 0 [ 8.575152][ T196] RCU nest depth: 0, expected: 0 [ 8.575152][ T196] INFO: lockdep is turned off. [ 8.575153][ T196] irq event stamp: 0 [ 8.575154][ T196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 8.575159][ T196] hardirqs last disabled at (0): [] copy_process+0x1d3b/0x62b0 [ 8.575165][ T196] softirqs last enabled at (0): [] copy_process+0x1d8f/0x62b0 [ 8.575167][ T196] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 8.575169][ T196] Preemption disabled at: [ 8.575169][ T196] [<0000000000000000>] 0x0 [ 8.575174][ T196] CPU: 0 UID: 0 PID: 196 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.575178][ T196] Tainted: [W]=WARN [ 8.575178][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.575180][ T196] Call Trace: [ 8.575182][ T196] [ 8.575183][ T196] dump_stack_lvl+0x6f/0xa0 [ 8.575189][ T196] __might_resched.cold+0x1fe/0x2c1 [ 8.575193][ T196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.575196][ T196] ? __asan_memcpy+0x3c/0x60 [ 8.575200][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575203][ T196] __kmalloc_noprof+0x443/0x760 [ 8.575205][ T196] ? __rwlock_init+0x150/0x150 [ 8.575208][ T196] ? alloc_buf.isra.0+0x4b/0x260 [ 8.575213][ T196] ? do_raw_spin_unlock+0x59/0x250 [ 8.575215][ T196] alloc_buf.isra.0+0x4b/0x260 [ 8.575218][ T196] put_chars+0x1e1/0x2f0 [ 8.575219][ T196] ? __send_to_port+0x420/0x420 [ 8.575221][ T196] ? console_prepend_replay+0x20/0x20 [ 8.575224][ T196] hvc_console_print+0x292/0x780 [ 8.575228][ T196] ? hvc_write+0x3a0/0x3a0 [ 8.575230][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575231][ T196] ? lock_acquire+0x13c/0x160 [ 8.575234][ T196] console_emit_next_record+0x22f/0x4c0 [ 8.575237][ T196] ? devkmsg_read+0x4b0/0x4b0 [ 8.575239][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575240][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575241][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575242][ T196] ? lock_acquire+0x13c/0x160 [ 8.575243][ T196] ? console_flush_one_record+0x111/0x710 [ 8.575245][ T196] console_flush_one_record+0x46f/0x710 [ 8.575247][ T196] ? console_emit_next_record+0x4c0/0x4c0 [ 8.575253][ T196] console_unlock+0xee/0x1f0 [ 8.575255][ T196] ? lock_acquire+0x13c/0x160 [ 8.575256][ T196] ? console_flush_one_record+0x710/0x710 [ 8.575258][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575259][ T196] ? lock_release+0x184/0x1f0 [ 8.575260][ T196] ? lock_acquire+0xe0/0x160 [ 8.575262][ T196] ? __rcu_read_lock+0x70/0x70 [ 8.575263][ T196] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.575265][ T196] ? vprintk_emit+0x320/0x3e0 [ 8.575267][ T196] vprintk_emit+0x37c/0x3e0 [ 8.575268][ T196] ? wake_up_klogd_work_func+0x90/0x90 [ 8.575270][ T196] ? do_raw_read_unlock+0x70/0x70 [ 8.575272][ T196] ? forget_original_parent+0x5c/0xdb0 [ 8.575274][ T196] _printk+0xc7/0x100 [ 8.575277][ T196] ? snapshot_read.cold+0x21/0x21 [ 8.575278][ T196] ? do_raw_spin_lock+0x131/0x280 [ 8.575280][ T196] ? do_raw_spin_lock+0x131/0x280 [ 8.575282][ T196] ? __rwlock_init+0x150/0x150 [ 8.575284][ T196] ? do_raw_spin_lock+0x131/0x280 [ 8.575286][ T196] do_exit.cold+0x82/0x9c [ 8.575289][ T196] ? exit_notify+0x890/0x890 [ 8.575290][ T196] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 8.575292][ T196] ? rcu_is_watching+0x16/0xd0 [ 8.575294][ T196] do_group_exit+0xb8/0x370 [ 8.575295][ T196] __x64_sys_exit_group+0x3c/0x50 [ 8.575297][ T196] x64_sys_call+0x1567/0x1570 [ 8.575299][ T196] do_syscall_64+0xff/0x530 [ 8.575303][ T196] ? exc_page_fault+0xee/0x100 [ 8.575305][ T196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.575307][ T196] RIP: 0033:0x7f8d555a51b8 [ 8.575309][ T196] Code: Unable to access opcode bytes at 0x7f8d555a518e. [ 8.575310][ T196] RSP: 002b:00007ffddc3282e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.575313][ T196] RAX: ffffffffffffffda RBX: 00007f8d556d5f88 RCX: 00007f8d555a51b8 [ 8.575314][ T196] RDX: 00007f8d552effc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.575315][ T196] RBP: 00007ffddc328340 R08: 0000000000000000 R09: 0000000000000050 [ 8.575316][ T196] R10: 00007ffddc328100 R11: 0000000000000246 R12: 0000000000000001 [ 8.575316][ T196] R13: 0000000000000000 R14: 00007f8d556d4680 R15: 00007f8d556d5fa0 [ 8.575319][ T196]