[ 11.803168][ T256] ip (256) used greatest stack depth: 24096 bytes left [ 11.803183][ T256] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.803185][ T256] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 256, name: ip [ 11.803186][ T256] preempt_count: 2, expected: 0 [ 11.803187][ T256] RCU nest depth: 0, expected: 0 [ 11.803188][ T256] locks held by ip/256: 5, last CPU#0: [ 11.803190][ T256] #0: ffffffffaf4127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.803200][ T256] #1: ffffffffaf579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.803206][ T256] #2: ffffffffaf579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.803210][ T256] #3: ffffffffaf499660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.803213][ T256] #4: ffffffffaf499560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.803217][ T256] irq event stamp: 37424 [ 11.803218][ T256] hardirqs last enabled at (37423): [] __down_trylock_console_sem+0x86/0xa0 [ 11.803220][ T256] hardirqs last disabled at (37424): [] console_emit_next_record+0x3d4/0x4c0 [ 11.803222][ T256] softirqs last enabled at (36142): [] netlink_release+0x17b/0xcf0 [ 11.803228][ T256] softirqs last disabled at (36140): [] netlink_release+0xd2/0xcf0 [ 11.803230][ T256] Preemption disabled at: [ 11.803231][ T256] [<0000000000000000>] 0x0 [ 11.803238][ T256] CPU: 0 UID: 0 PID: 256 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.803241][ T256] Tainted: [W]=WARN [ 11.803242][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.803243][ T256] Call Trace: [ 11.803245][ T256] [ 11.803246][ T256] dump_stack_lvl+0x6f/0xa0 [ 11.803252][ T256] __might_resched.cold+0x1fe/0x2c1 [ 11.803257][ T256] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.803261][ T256] ? __kmalloc_noprof+0xdb/0x760 [ 11.803266][ T256] __kmalloc_noprof+0x443/0x760 [ 11.803268][ T256] ? alloc_buf.isra.0+0x4b/0x260 [ 11.803274][ T256] ? do_raw_spin_unlock+0x59/0x250 [ 11.803277][ T256] alloc_buf.isra.0+0x4b/0x260 [ 11.803280][ T256] put_chars+0x1e1/0x2f0 [ 11.803283][ T256] ? __send_to_port+0x420/0x420 [ 11.803285][ T256] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.803290][ T256] ? validate_chain+0x38b/0xc20 [ 11.803295][ T256] hvc_console_print+0x292/0x780 [ 11.803301][ T256] ? hvc_write+0x3a0/0x3a0 [ 11.803304][ T256] ? rcu_is_watching+0x16/0xd0 [ 11.803306][ T256] ? lock_acquire+0x13c/0x160 [ 11.803310][ T256] console_emit_next_record+0x22f/0x4c0 [ 11.803314][ T256] ? devkmsg_read+0x4b0/0x4b0 [ 11.803315][ T256] ? console_flush_one_record+0x106/0x710 [ 11.803319][ T256] ? rcu_is_watching+0x16/0xd0 [ 11.803321][ T256] ? lock_acquire+0x13c/0x160 [ 11.803325][ T256] console_flush_one_record+0x46f/0x710 [ 11.803329][ T256] ? console_emit_next_record+0x4c0/0x4c0 [ 11.803331][ T256] ? __lock_acquire+0x518/0xc20 [ 11.803336][ T256] console_unlock+0xee/0x1f0 [ 11.803338][ T256] ? console_flush_one_record+0x710/0x710 [ 11.803340][ T256] ? rcu_is_watching+0x16/0xd0 [ 11.803343][ T256] ? lock_acquire+0x60/0x160 [ 11.803346][ T256] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.803348][ T256] ? vprintk_emit+0x320/0x3e0 [ 11.803351][ T256] vprintk_emit+0x37c/0x3e0 [ 11.803355][ T256] ? wake_up_klogd_work_func+0x90/0x90 [ 11.803358][ T256] ? __lock_acquire+0x518/0xc20 [ 11.803362][ T256] _printk+0xc7/0x100 [ 11.803366][ T256] ? snapshot_read.cold+0x21/0x21 [ 11.803369][ T256] ? do_raw_spin_lock+0x131/0x280 [ 11.803372][ T256] ? __rwlock_init+0x150/0x150 [ 11.803375][ T256] ? do_raw_spin_lock+0x131/0x280 [ 11.803378][ T256] do_exit.cold+0x82/0x9c [ 11.803382][ T256] ? exit_notify+0x890/0x890 [ 11.803383][ T256] ? __lock_release.isra.0+0x69/0x1a0 [ 11.803386][ T256] ? rcu_is_watching+0x16/0xd0 [ 11.803390][ T256] do_group_exit+0xb8/0x370 [ 11.803393][ T256] __x64_sys_exit_group+0x3c/0x50 [ 11.803394][ T256] x64_sys_call+0x1567/0x1570 [ 11.803397][ T256] do_syscall_64+0xff/0x530 [ 11.803400][ T256] ? exc_page_fault+0xee/0x100 [ 11.803403][ T256] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.803406][ T256] RIP: 0033:0x7f10e46e31b8 [ 11.803408][ T256] Code: Unable to access opcode bytes at 0x7f10e46e318e. [ 11.803409][ T256] RSP: 002b:00007ffe49c47808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.803412][ T256] RAX: ffffffffffffffda RBX: 00007f10e4813f88 RCX: 00007f10e46e31b8 [ 11.803413][ T256] RDX: 00007f10e442dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.803414][ T256] RBP: 00007ffe49c47860 R08: 0000000000000000 R09: 0000000000000000 [ 11.803415][ T256] R10: 00007ffe49c47620 R11: 0000000000000246 R12: 0000000000000001 [ 11.803416][ T256] R13: 0000000000000000 R14: 00007f10e4812680 R15: 00007f10e4813fa0 [ 11.803422][ T256] [ 21.340720][ T517] iperf3 (517) used greatest stack depth: 23040 bytes left [ 21.340738][ T517] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 21.340740][ T517] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 517, name: iperf3 [ 21.340742][ T517] preempt_count: 2, expected: 0 [ 21.340742][ T517] RCU nest depth: 0, expected: 0 [ 21.340743][ T517] locks held by iperf3/517: 5, last CPU#0: [ 21.340745][ T517] #0: ffffffffaf4127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 21.340757][ T517] #1: ffffffffaf579cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 21.340763][ T517] #2: ffffffffaf579d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 21.340766][ T517] #3: ffffffffaf499660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 21.340770][ T517] #4: ffffffffaf499560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 21.340774][ T517] irq event stamp: 7760140 [ 21.340775][ T517] hardirqs last enabled at (7760139): [] __down_trylock_console_sem+0x86/0xa0 [ 21.340777][ T517] hardirqs last disabled at (7760140): [] console_emit_next_record+0x3d4/0x4c0 [ 21.340779][ T517] softirqs last enabled at (7759234): [] handle_softirqs+0x67c/0x900 [ 21.340782][ T517] softirqs last disabled at (7758333): [] __irq_exit_rcu+0x145/0x1c0 [ 21.340784][ T517] Preemption disabled at: [ 21.340784][ T517] [<0000000000000000>] 0x0 [ 21.340791][ T517] CPU: 0 UID: 0 PID: 517 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 21.340795][ T517] Tainted: [W]=WARN [ 21.340796][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.340797][ T517] Call Trace: [ 21.340799][ T517] [ 21.340800][ T517] dump_stack_lvl+0x6f/0xa0 [ 21.340807][ T517] __might_resched.cold+0x1fe/0x2c1 [ 21.340811][ T517] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 21.340815][ T517] ? __kmalloc_noprof+0xdb/0x760 [ 21.340820][ T517] __kmalloc_noprof+0x443/0x760 [ 21.340823][ T517] ? alloc_buf.isra.0+0x4b/0x260 [ 21.340829][ T517] ? do_raw_spin_unlock+0x59/0x250 [ 21.340831][ T517] alloc_buf.isra.0+0x4b/0x260 [ 21.340835][ T517] put_chars+0x1e1/0x2f0 [ 21.340837][ T517] ? prb_final_commit+0x50/0x50 [ 21.340839][ T517] ? __send_to_port+0x420/0x420 [ 21.340842][ T517] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 21.340847][ T517] ? rcu_read_lock_any_held+0x3c/0x90 [ 21.340849][ T517] ? validate_chain+0x38b/0xc20 [ 21.340853][ T517] hvc_console_print+0x292/0x780 [ 21.340856][ T517] ? mark_usage+0x61/0x170 [ 21.340858][ T517] ? __lock_acquire+0x518/0xc20 [ 21.340860][ T517] ? __lock_acquire+0x518/0xc20 [ 21.340863][ T517] ? hvc_write+0x3a0/0x3a0 [ 21.340866][ T517] ? console_emit_next_record+0x1df/0x4c0 [ 21.340869][ T517] ? rcu_is_watching+0x16/0xd0 [ 21.340871][ T517] ? lock_acquire+0x13c/0x160 [ 21.340875][ T517] console_emit_next_record+0x22f/0x4c0 [ 21.340879][ T517] ? devkmsg_read+0x4b0/0x4b0 [ 21.340881][ T517] ? console_flush_one_record+0x106/0x710 [ 21.340884][ T517] ? rcu_is_watching+0x16/0xd0 [ 21.340887][ T517] ? lock_acquire+0x13c/0x160 [ 21.340890][ T517] console_flush_one_record+0x46f/0x710 [ 21.340895][ T517] ? console_emit_next_record+0x4c0/0x4c0 [ 21.340896][ T517] ? __lock_acquire+0x518/0xc20 [ 21.340902][ T517] console_unlock+0xee/0x1f0 [ 21.340904][ T517] ? console_flush_one_record+0x710/0x710 [ 21.340906][ T517] ? rcu_is_watching+0x16/0xd0 [ 21.340909][ T517] ? lock_acquire+0x60/0x160 [ 21.340912][ T517] ? __down_trylock_console_sem+0x5e/0xa0 [ 21.340914][ T517] ? vprintk_emit+0x320/0x3e0 [ 21.340917][ T517] vprintk_emit+0x37c/0x3e0 [ 21.340921][ T517] ? wake_up_klogd_work_func+0x90/0x90 [ 21.340925][ T517] ? __lock_acquire+0x518/0xc20 [ 21.340928][ T517] _printk+0xc7/0x100 [ 21.340932][ T517] ? snapshot_read.cold+0x21/0x21 [ 21.340934][ T517] ? do_raw_spin_lock+0x131/0x280 [ 21.340937][ T517] ? __rwlock_init+0x150/0x150 [ 21.340941][ T517] ? do_raw_spin_lock+0x131/0x280 [ 21.340943][ T517] do_exit.cold+0x82/0x9c [ 21.340947][ T517] ? exit_notify+0x890/0x890 [ 21.340952][ T517] __x64_sys_exit+0x42/0x50 [ 21.340954][ T517] x64_sys_call+0x156c/0x1570 [ 21.340957][ T517] do_syscall_64+0xff/0x530 [ 21.340961][ T517] ? exc_page_fault+0xee/0x100 [ 21.340964][ T517] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 21.340966][ T517] RIP: 0033:0x7f75d84d8c49 [ 21.340968][ T517] Code: Unable to access opcode bytes at 0x7f75d84d8c1f. [ 21.340969][ T517] RSP: 002b:00007f75d7c97e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 21.340972][ T517] RAX: ffffffffffffffda RBX: 00007f75d7c986c0 RCX: 00007f75d84d8c49 [ 21.340973][ T517] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 21.340974][ T517] RBP: 00007f75d7c97f70 R08: 0000000000000001 R09: 00007f75d7c986c0 [ 21.340975][ T517] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f75d7498000 [ 21.340976][ T517] R13: 00007fff3d4e87b0 R14: 0000000000000002 R15: 00007fff3d4e88b7 [ 21.340982][ T517] [ 21.429887][ T341] tun0: deleting peer with id 4, reason 4 [ 21.430477][ T341] tun0: deleting peer with id 3, reason 4 [ 21.430795][ T341] tun0: deleting peer with id 5, reason 4 [ 21.431111][ T341] tun0: deleting peer with id 1, reason 4 [ 21.431434][ T341] tun0: deleting peer with id 6, reason 4 [ 21.431789][ T341] tun0: deleting peer with id 2, reason 4 [ 21.435801][ T405] tun4: deleting peer with id 13, reason 4 [ 21.437634][ T376] tun2: deleting peer with id 11, reason 4 [ 21.438064][ T419] tun5: deleting peer with id 14, reason 4 [ 21.438209][ T362] tun1: deleting peer with id 10, reason 4 [ 21.439814][ T390] tun3: deleting peer with id 12, reason 4 [ 21.440330][ T433] tun6: deleting peer with id 15, reason 4