[ 11.190255][ T247] ip (247) used greatest stack depth: 24384 bytes left [ 11.190271][ T247] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.190273][ T247] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 247, name: ip [ 11.190275][ T247] preempt_count: 2, expected: 0 [ 11.190275][ T247] RCU nest depth: 0, expected: 0 [ 11.190277][ T247] locks held by ip/247: 5, last CPU#0: [ 11.190278][ T247] #0: ffffffffaa4127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.190291][ T247] #1: ffffffffaa579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.190296][ T247] #2: ffffffffaa579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.190300][ T247] #3: ffffffffaa499660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.190304][ T247] #4: ffffffffaa499560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.190308][ T247] irq event stamp: 40086 [ 11.190309][ T247] hardirqs last enabled at (40085): [] __down_trylock_console_sem+0x86/0xa0 [ 11.190311][ T247] hardirqs last disabled at (40086): [] console_emit_next_record+0x3d4/0x4c0 [ 11.190313][ T247] softirqs last enabled at (38804): [] netlink_release+0x17b/0xcf0 [ 11.190317][ T247] softirqs last disabled at (38802): [] netlink_release+0xd2/0xcf0 [ 11.190320][ T247] Preemption disabled at: [ 11.190320][ T247] [<0000000000000000>] 0x0 [ 11.190327][ T247] CPU: 0 UID: 0 PID: 247 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.190330][ T247] Tainted: [W]=WARN [ 11.190332][ T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.190333][ T247] Call Trace: [ 11.190335][ T247] [ 11.190337][ T247] dump_stack_lvl+0x6f/0xa0 [ 11.190343][ T247] __might_resched.cold+0x1fe/0x2c1 [ 11.190347][ T247] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.190352][ T247] ? __kmalloc_noprof+0xdb/0x760 [ 11.190356][ T247] __kmalloc_noprof+0x443/0x760 [ 11.190359][ T247] ? alloc_buf.isra.0+0x4b/0x260 [ 11.190365][ T247] ? do_raw_spin_unlock+0x59/0x250 [ 11.190367][ T247] alloc_buf.isra.0+0x4b/0x260 [ 11.190370][ T247] put_chars+0x1e1/0x2f0 [ 11.190373][ T247] ? __send_to_port+0x420/0x420 [ 11.190375][ T247] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.190380][ T247] ? validate_chain+0x38b/0xc20 [ 11.190385][ T247] hvc_console_print+0x292/0x780 [ 11.190391][ T247] ? hvc_write+0x3a0/0x3a0 [ 11.190393][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.190396][ T247] ? lock_acquire+0x13c/0x160 [ 11.190400][ T247] console_emit_next_record+0x22f/0x4c0 [ 11.190403][ T247] ? devkmsg_read+0x4b0/0x4b0 [ 11.190405][ T247] ? console_flush_one_record+0x106/0x710 [ 11.190408][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.190411][ T247] ? lock_acquire+0x13c/0x160 [ 11.190414][ T247] console_flush_one_record+0x46f/0x710 [ 11.190418][ T247] ? console_emit_next_record+0x4c0/0x4c0 [ 11.190420][ T247] ? __lock_acquire+0x518/0xc20 [ 11.190425][ T247] console_unlock+0xee/0x1f0 [ 11.190428][ T247] ? console_flush_one_record+0x710/0x710 [ 11.190430][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.190432][ T247] ? lock_acquire+0x60/0x160 [ 11.190436][ T247] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.190437][ T247] ? vprintk_emit+0x320/0x3e0 [ 11.190441][ T247] vprintk_emit+0x37c/0x3e0 [ 11.190444][ T247] ? wake_up_klogd_work_func+0x90/0x90 [ 11.190448][ T247] ? __lock_acquire+0x518/0xc20 [ 11.190451][ T247] _printk+0xc7/0x100 [ 11.190455][ T247] ? snapshot_read.cold+0x21/0x21 [ 11.190458][ T247] ? do_raw_spin_lock+0x131/0x280 [ 11.190460][ T247] ? __rwlock_init+0x150/0x150 [ 11.190464][ T247] ? do_raw_spin_lock+0x131/0x280 [ 11.190466][ T247] do_exit.cold+0x82/0x9c [ 11.190470][ T247] ? exit_notify+0x890/0x890 [ 11.190471][ T247] ? __lock_release.isra.0+0x69/0x1a0 [ 11.190474][ T247] ? rcu_is_watching+0x16/0xd0 [ 11.190478][ T247] do_group_exit+0xb8/0x370 [ 11.190481][ T247] __x64_sys_exit_group+0x3c/0x50 [ 11.190483][ T247] x64_sys_call+0x1567/0x1570 [ 11.190485][ T247] do_syscall_64+0xff/0x530 [ 11.190489][ T247] ? exc_page_fault+0xee/0x100 [ 11.190492][ T247] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.190494][ T247] RIP: 0033:0x7f97276691b8 [ 11.190496][ T247] Code: Unable to access opcode bytes at 0x7f972766918e. [ 11.190498][ T247] RSP: 002b:00007ffe900f9918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.190500][ T247] RAX: ffffffffffffffda RBX: 00007f9727799f88 RCX: 00007f97276691b8 [ 11.190501][ T247] RDX: 00007f97273b3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.190502][ T247] RBP: 00007ffe900f9970 R08: 0000000000000000 R09: 0000000000000000 [ 11.190503][ T247] R10: 00007ffe900f9730 R11: 0000000000000246 R12: 0000000000000001 [ 11.190504][ T247] R13: 0000000000000000 R14: 00007f9727798680 R15: 00007f9727799fa0 [ 11.190511][ T247] [ 20.978301][ T517] iperf3 (517) used greatest stack depth: 23392 bytes left [ 20.978321][ T517] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.978324][ T517] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 517, name: iperf3 [ 20.978326][ T517] preempt_count: 2, expected: 0 [ 20.978327][ T517] RCU nest depth: 0, expected: 0 [ 20.978328][ T517] locks held by iperf3/517: 5, last CPU#2: [ 20.978330][ T517] #0: ffffffffaa4127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 20.978343][ T517] #1: ffffffffaa579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.978350][ T517] #2: ffffffffaa579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.978354][ T517] #3: ffffffffaa499660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.978359][ T517] #4: ffffffffaa499560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.978364][ T517] irq event stamp: 7548318 [ 20.978365][ T517] hardirqs last enabled at (7548317): [] __down_trylock_console_sem+0x86/0xa0 [ 20.978367][ T517] hardirqs last disabled at (7548318): [] console_emit_next_record+0x3d4/0x4c0 [ 20.978370][ T517] softirqs last enabled at (7547974): [] handle_softirqs+0x67c/0x900 [ 20.978372][ T517] softirqs last disabled at (7547071): [] __irq_exit_rcu+0x145/0x1c0 [ 20.978374][ T517] Preemption disabled at: [ 20.978375][ T517] [<0000000000000000>] 0x0 [ 20.978383][ T517] CPU: 2 UID: 0 PID: 517 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.978386][ T517] Tainted: [W]=WARN [ 20.978387][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.978389][ T517] Call Trace: [ 20.978391][ T517] [ 20.978393][ T517] dump_stack_lvl+0x6f/0xa0 [ 20.978399][ T517] __might_resched.cold+0x1fe/0x2c1 [ 20.978404][ T517] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.978408][ T517] ? __kmalloc_noprof+0xdb/0x760 [ 20.978413][ T517] __kmalloc_noprof+0x443/0x760 [ 20.978415][ T517] ? alloc_buf.isra.0+0x4b/0x260 [ 20.978423][ T517] ? do_raw_spin_unlock+0x59/0x250 [ 20.978425][ T517] alloc_buf.isra.0+0x4b/0x260 [ 20.978429][ T517] put_chars+0x1e1/0x2f0 [ 20.978431][ T517] ? prb_final_commit+0x50/0x50 [ 20.978434][ T517] ? __send_to_port+0x420/0x420 [ 20.978437][ T517] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.978442][ T517] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.978444][ T517] ? validate_chain+0x38b/0xc20 [ 20.978449][ T517] hvc_console_print+0x292/0x780 [ 20.978452][ T517] ? mark_usage+0x61/0x170 [ 20.978454][ T517] ? __lock_acquire+0x518/0xc20 [ 20.978456][ T517] ? __lock_acquire+0x518/0xc20 [ 20.978461][ T517] ? hvc_write+0x3a0/0x3a0 [ 20.978463][ T517] ? console_emit_next_record+0x1df/0x4c0 [ 20.978467][ T517] ? rcu_is_watching+0x16/0xd0 [ 20.978470][ T517] ? lock_acquire+0x13c/0x160 [ 20.978475][ T517] console_emit_next_record+0x22f/0x4c0 [ 20.978479][ T517] ? devkmsg_read+0x4b0/0x4b0 [ 20.978481][ T517] ? console_flush_one_record+0x106/0x710 [ 20.978485][ T517] ? rcu_is_watching+0x16/0xd0 [ 20.978488][ T517] ? lock_acquire+0x13c/0x160 [ 20.978492][ T517] console_flush_one_record+0x46f/0x710 [ 20.978497][ T517] ? console_emit_next_record+0x4c0/0x4c0 [ 20.978499][ T517] ? __lock_acquire+0x518/0xc20 [ 20.978505][ T517] console_unlock+0xee/0x1f0 [ 20.978508][ T517] ? console_flush_one_record+0x710/0x710 [ 20.978510][ T517] ? rcu_is_watching+0x16/0xd0 [ 20.978513][ T517] ? lock_acquire+0x60/0x160 [ 20.978517][ T517] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.978519][ T517] ? vprintk_emit+0x320/0x3e0 [ 20.978522][ T517] vprintk_emit+0x37c/0x3e0 [ 20.978527][ T517] ? wake_up_klogd_work_func+0x90/0x90 [ 20.978531][ T517] ? __lock_acquire+0x518/0xc20 [ 20.978535][ T517] _printk+0xc7/0x100 [ 20.978539][ T517] ? snapshot_read.cold+0x21/0x21 [ 20.978542][ T517] ? do_raw_spin_lock+0x131/0x280 [ 20.978545][ T517] ? __rwlock_init+0x150/0x150 [ 20.978549][ T517] ? do_raw_spin_lock+0x131/0x280 [ 20.978552][ T517] do_exit.cold+0x82/0x9c [ 20.978556][ T517] ? exit_notify+0x890/0x890 [ 20.978562][ T517] __x64_sys_exit+0x42/0x50 [ 20.978564][ T517] x64_sys_call+0x156c/0x1570 [ 20.978567][ T517] do_syscall_64+0xff/0x530 [ 20.978571][ T517] ? exc_page_fault+0xee/0x100 [ 20.978574][ T517] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.978577][ T517] RIP: 0033:0x7fe101cc8c49 [ 20.978579][ T517] Code: Unable to access opcode bytes at 0x7fe101cc8c1f. [ 20.978581][ T517] RSP: 002b:00007fe101487e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 20.978583][ T517] RAX: ffffffffffffffda RBX: 00007fe1014886c0 RCX: 00007fe101cc8c49 [ 20.978585][ T517] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 20.978586][ T517] RBP: 00007fe101487f70 R08: 0000000000000001 R09: 00007fe1014886c0 [ 20.978587][ T517] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe100c88000 [ 20.978588][ T517] R13: 00007ffe1450f120 R14: 0000000000000002 R15: 00007ffe1450f227 [ 20.978595][ T517] [ 21.082195][ T362] tun1: deleting peer with id 10, reason 4 [ 21.084563][ T418] tun5: deleting peer with id 14, reason 4 [ 21.086152][ T341] tun0: deleting peer with id 4, reason 4 [ 21.086465][ T341] tun0: deleting peer with id 3, reason 4 [ 21.086566][ T341] tun0: deleting peer with id 5, reason 4 [ 21.086654][ T341] tun0: deleting peer with id 1, reason 4 [ 21.086742][ T341] tun0: deleting peer with id 6, reason 4 [ 21.086830][ T341] tun0: deleting peer with id 2, reason 4 [ 21.086981][ T432] tun6: deleting peer with id 15, reason 4 [ 21.091678][ T390] tun3: deleting peer with id 12, reason 4 [ 21.092226][ T404] tun4: deleting peer with id 13, reason 4 [ 21.092766][ T376] tun2: deleting peer with id 11, reason 4