[ 19.191925][ T517] iperf3 (517) used greatest stack depth: 24128 bytes left [ 19.191948][ T517] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 19.191950][ T517] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 517, name: iperf3 [ 19.191952][ T517] preempt_count: 2, expected: 0 [ 19.191953][ T517] RCU nest depth: 0, expected: 0 [ 19.191954][ T517] INFO: lockdep is turned off. [ 19.191955][ T517] irq event stamp: 0 [ 19.191956][ T517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 19.191960][ T517] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 19.191966][ T517] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 19.191968][ T517] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 19.191970][ T517] Preemption disabled at: [ 19.191970][ T517] [<0000000000000000>] 0x0 [ 19.191975][ T517] CPU: 2 UID: 0 PID: 517 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 19.191979][ T517] Tainted: [W]=WARN [ 19.191980][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.191981][ T517] Call Trace: [ 19.191983][ T517] [ 19.191984][ T517] dump_stack_lvl+0x6f/0xa0 [ 19.191989][ T517] __might_resched.cold+0x1fe/0x2c1 [ 19.191993][ T517] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 19.191997][ T517] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 19.191999][ T517] ? rcu_is_watching+0x16/0xd0 [ 19.192003][ T517] __kmalloc_noprof+0x443/0x760 [ 19.192006][ T517] ? __rwlock_init+0x150/0x150 [ 19.192009][ T517] ? alloc_buf.isra.0+0x4b/0x260 [ 19.192012][ T517] ? do_raw_spin_unlock+0x59/0x250 [ 19.192014][ T517] alloc_buf.isra.0+0x4b/0x260 [ 19.192016][ T517] put_chars+0x1e1/0x2f0 [ 19.192018][ T517] ? prb_final_commit+0x50/0x50 [ 19.192019][ T517] ? __send_to_port+0x420/0x420 [ 19.192021][ T517] ? printk_get_next_message+0x240/0x650 [ 19.192024][ T517] ? kvm_clock_get_cycles+0x11/0x30 [ 19.192027][ T517] ? ktime_get+0x1dd/0x2d0 [ 19.192030][ T517] hvc_console_print+0x292/0x780 [ 19.192034][ T517] ? hvc_write+0x3a0/0x3a0 [ 19.192035][ T517] ? do_raw_spin_lock+0x131/0x280 [ 19.192037][ T517] ? rcu_is_watching+0x16/0xd0 [ 19.192039][ T517] ? __rwlock_init+0x150/0x150 [ 19.192040][ T517] ? rcu_is_watching+0x16/0xd0 [ 19.192042][ T517] ? lock_acquire+0x13c/0x160 [ 19.192044][ T517] console_emit_next_record+0x22f/0x4c0 [ 19.192047][ T517] ? devkmsg_read+0x4b0/0x4b0 [ 19.192049][ T517] ? rcu_is_watching+0x16/0xd0 [ 19.192051][ T517] ? lock_acquire+0x13c/0x160 [ 19.192053][ T517] ? console_flush_one_record+0x111/0x710 [ 19.192054][ T517] console_flush_one_record+0x46f/0x710 [ 19.192057][ T517] ? console_emit_next_record+0x4c0/0x4c0 [ 19.192059][ T517] console_unlock+0xee/0x1f0 [ 19.192061][ T517] ? lock_acquire+0x13c/0x160 [ 19.192062][ T517] ? console_flush_one_record+0x710/0x710 [ 19.192064][ T517] ? rcu_is_watching+0x16/0xd0 [ 19.192066][ T517] ? lock_release+0x184/0x1f0 [ 19.192067][ T517] ? lock_acquire+0x60/0x160 [ 19.192068][ T517] ? __rcu_read_lock+0x30/0x70 [ 19.192071][ T517] ? __down_trylock_console_sem+0x5e/0xa0 [ 19.192072][ T517] ? vprintk_emit+0x320/0x3e0 [ 19.192074][ T517] vprintk_emit+0x37c/0x3e0 [ 19.192077][ T517] ? wake_up_klogd_work_func+0x90/0x90 [ 19.192079][ T517] _printk+0xc7/0x100 [ 19.192082][ T517] ? snapshot_read.cold+0x21/0x21 [ 19.192084][ T517] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 19.192087][ T517] ? do_raw_spin_lock+0x131/0x280 [ 19.192094][ T517] ? __rwlock_init+0x150/0x150 [ 19.192096][ T517] ? do_raw_spin_lock+0x131/0x280 [ 19.192098][ T517] do_exit.cold+0x82/0x9c [ 19.192101][ T517] ? exit_notify+0x890/0x890 [ 19.192104][ T517] __x64_sys_exit+0x42/0x50 [ 19.192105][ T517] x64_sys_call+0x156c/0x1570 [ 19.192107][ T517] do_syscall_64+0xff/0x530 [ 19.192111][ T517] ? exc_page_fault+0xee/0x100 [ 19.192113][ T517] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 19.192115][ T517] RIP: 0033:0x7f08248f5c49 [ 19.192117][ T517] Code: Unable to access opcode bytes at 0x7f08248f5c1f. [ 19.192118][ T517] RSP: 002b:00007f08240b4e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 19.192121][ T517] RAX: ffffffffffffffda RBX: 00007f08240b56c0 RCX: 00007f08248f5c49 [ 19.192122][ T517] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 19.192123][ T517] RBP: 00007f08240b4f70 R08: 0000000000000001 R09: 00007f08240b56c0 [ 19.192124][ T517] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f08238b5000 [ 19.192125][ T517] R13: 00007ffe995a48d0 R14: 0000000000000002 R15: 00007ffe995a49d7 [ 19.192127][ T517] [ 19.264380][ T342] tun0: deleting peer with id 4, reason 4 [ 19.264730][ T342] tun0: deleting peer with id 3, reason 4 [ 19.265028][ T342] tun0: deleting peer with id 5, reason 4 [ 19.265319][ T342] tun0: deleting peer with id 1, reason 4 [ 19.265600][ T342] tun0: deleting peer with id 6, reason 4 [ 19.265871][ T342] tun0: deleting peer with id 2, reason 4 [ 19.267666][ T377] tun2: deleting peer with id 11, reason 4 [ 19.270005][ T405] tun4: deleting peer with id 13, reason 4 [ 19.270801][ T391] tun3: deleting peer with id 12, reason 4 [ 19.270814][ T433] tun6: deleting peer with id 15, reason 4 [ 19.271494][ T363] tun1: deleting peer with id 10, reason 4 [ 19.273420][ T419] tun5: deleting peer with id 14, reason 4