[ 9.981754][ T272] ip (272) used greatest stack depth: 24416 bytes left [ 9.981768][ T272] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.981770][ T272] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 272, name: ip [ 9.981772][ T272] preempt_count: 2, expected: 0 [ 9.981772][ T272] RCU nest depth: 0, expected: 0 [ 9.981773][ T272] INFO: lockdep is turned off. [ 9.981774][ T272] irq event stamp: 0 [ 9.981775][ T272] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 9.981780][ T272] hardirqs last disabled at (0): [] copy_process+0x1d3b/0x62b0 [ 9.981786][ T272] softirqs last enabled at (0): [] copy_process+0x1d8f/0x62b0 [ 9.981788][ T272] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 9.981789][ T272] Preemption disabled at: [ 9.981790][ T272] [<0000000000000000>] 0x0 [ 9.981795][ T272] CPU: 1 UID: 0 PID: 272 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.981798][ T272] Tainted: [W]=WARN [ 9.981799][ T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.981801][ T272] Call Trace: [ 9.981802][ T272] [ 9.981803][ T272] dump_stack_lvl+0x6f/0xa0 [ 9.981809][ T272] __might_resched.cold+0x1fe/0x2c1 [ 9.981813][ T272] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.981816][ T272] ? __asan_memcpy+0x3c/0x60 [ 9.981819][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981822][ T272] __kmalloc_noprof+0x443/0x760 [ 9.981825][ T272] ? __rwlock_init+0x150/0x150 [ 9.981828][ T272] ? alloc_buf.isra.0+0x4b/0x260 [ 9.981832][ T272] ? do_raw_spin_unlock+0x59/0x250 [ 9.981834][ T272] alloc_buf.isra.0+0x4b/0x260 [ 9.981837][ T272] put_chars+0x1e1/0x2f0 [ 9.981838][ T272] ? __send_to_port+0x420/0x420 [ 9.981840][ T272] ? console_prepend_replay+0x20/0x20 [ 9.981843][ T272] hvc_console_print+0x292/0x780 [ 9.981847][ T272] ? hvc_write+0x3a0/0x3a0 [ 9.981849][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981850][ T272] ? lock_acquire+0x13c/0x160 [ 9.981852][ T272] console_emit_next_record+0x22f/0x4c0 [ 9.981855][ T272] ? devkmsg_read+0x4b0/0x4b0 [ 9.981857][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981858][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981859][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981860][ T272] ? lock_acquire+0x13c/0x160 [ 9.981862][ T272] ? console_flush_one_record+0x111/0x710 [ 9.981863][ T272] console_flush_one_record+0x46f/0x710 [ 9.981866][ T272] ? console_emit_next_record+0x4c0/0x4c0 [ 9.981868][ T272] console_unlock+0xee/0x1f0 [ 9.981870][ T272] ? lock_acquire+0x13c/0x160 [ 9.981872][ T272] ? console_flush_one_record+0x710/0x710 [ 9.981873][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981874][ T272] ? lock_release+0x184/0x1f0 [ 9.981876][ T272] ? lock_acquire+0xe0/0x160 [ 9.981877][ T272] ? __rcu_read_lock+0x70/0x70 [ 9.981878][ T272] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.981880][ T272] ? vprintk_emit+0x320/0x3e0 [ 9.981882][ T272] vprintk_emit+0x37c/0x3e0 [ 9.981883][ T272] ? wake_up_klogd_work_func+0x90/0x90 [ 9.981885][ T272] ? do_raw_read_unlock+0x70/0x70 [ 9.981887][ T272] ? forget_original_parent+0x5c/0xdb0 [ 9.981889][ T272] _printk+0xc7/0x100 [ 9.981892][ T272] ? snapshot_read.cold+0x21/0x21 [ 9.981893][ T272] ? do_raw_spin_lock+0x131/0x280 [ 9.981895][ T272] ? do_raw_spin_lock+0x131/0x280 [ 9.981897][ T272] ? __rwlock_init+0x150/0x150 [ 9.981899][ T272] ? do_raw_spin_lock+0x131/0x280 [ 9.981901][ T272] do_exit.cold+0x82/0x9c [ 9.981903][ T272] ? exit_notify+0x890/0x890 [ 9.981905][ T272] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 9.981907][ T272] ? rcu_is_watching+0x16/0xd0 [ 9.981909][ T272] do_group_exit+0xb8/0x370 [ 9.981910][ T272] __x64_sys_exit_group+0x3c/0x50 [ 9.981912][ T272] x64_sys_call+0x1567/0x1570 [ 9.981914][ T272] do_syscall_64+0xff/0x530 [ 9.981918][ T272] ? exc_page_fault+0xee/0x100 [ 9.981920][ T272] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.981922][ T272] RIP: 0033:0x7efeab9c81b8 [ 9.981923][ T272] Code: Unable to access opcode bytes at 0x7efeab9c818e. [ 9.981924][ T272] RSP: 002b:00007ffd63894718 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.981928][ T272] RAX: ffffffffffffffda RBX: 00007efeabaf8f88 RCX: 00007efeab9c81b8 [ 9.981929][ T272] RDX: 00007efeab712fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.981930][ T272] RBP: 00007ffd63894770 R08: 0000000000000000 R09: 0000000000000000 [ 9.981931][ T272] R10: 00007ffd63894530 R11: 0000000000000246 R12: 0000000000000001 [ 9.981931][ T272] R13: 0000000000000000 R14: 00007efeabaf7680 R15: 00007efeabaf8fa0 [ 9.981934][ T272]