[ 12.304448][ T258] ip (258) used greatest stack depth: 24192 bytes left [ 12.304465][ T258] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.304467][ T258] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 258, name: ip [ 12.304468][ T258] preempt_count: 2, expected: 0 [ 12.304469][ T258] RCU nest depth: 0, expected: 0 [ 12.304470][ T258] locks held by ip/258: 5, last CPU#3: [ 12.304473][ T258] #0: ffffffff912127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.304484][ T258] #1: ffffffff91379cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.304490][ T258] #2: ffffffff91379d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.304494][ T258] #3: ffffffff91299660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.304498][ T258] #4: ffffffff91299560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.304502][ T258] irq event stamp: 32722 [ 12.304503][ T258] hardirqs last enabled at (32721): [] __down_trylock_console_sem+0x86/0xa0 [ 12.304505][ T258] hardirqs last disabled at (32722): [] console_emit_next_record+0x3d4/0x4c0 [ 12.304507][ T258] softirqs last enabled at (32178): [] handle_softirqs+0x67c/0x900 [ 12.304509][ T258] softirqs last disabled at (32173): [] __irq_exit_rcu+0x145/0x1c0 [ 12.304512][ T258] Preemption disabled at: [ 12.304512][ T258] [<0000000000000000>] 0x0 [ 12.304519][ T258] CPU: 3 UID: 0 PID: 258 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.304522][ T258] Tainted: [W]=WARN [ 12.304523][ T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.304525][ T258] Call Trace: [ 12.304527][ T258] [ 12.304528][ T258] dump_stack_lvl+0x6f/0xa0 [ 12.304534][ T258] __might_resched.cold+0x1fe/0x2c1 [ 12.304539][ T258] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.304543][ T258] ? __kmalloc_noprof+0xdb/0x760 [ 12.304548][ T258] __kmalloc_noprof+0x443/0x760 [ 12.304550][ T258] ? alloc_buf.isra.0+0x4b/0x260 [ 12.304556][ T258] ? do_raw_spin_unlock+0x59/0x250 [ 12.304558][ T258] alloc_buf.isra.0+0x4b/0x260 [ 12.304562][ T258] put_chars+0x1e1/0x2f0 [ 12.304565][ T258] ? __send_to_port+0x420/0x420 [ 12.304566][ T258] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.304571][ T258] ? validate_chain+0x38b/0xc20 [ 12.304576][ T258] hvc_console_print+0x292/0x780 [ 12.304585][ T258] ? hvc_write+0x3a0/0x3a0 [ 12.304587][ T258] ? rcu_is_watching+0x16/0xd0 [ 12.304590][ T258] ? lock_acquire+0x13c/0x160 [ 12.304594][ T258] console_emit_next_record+0x22f/0x4c0 [ 12.304597][ T258] ? devkmsg_read+0x4b0/0x4b0 [ 12.304599][ T258] ? console_flush_one_record+0x106/0x710 [ 12.304602][ T258] ? rcu_is_watching+0x16/0xd0 [ 12.304605][ T258] ? lock_acquire+0x13c/0x160 [ 12.304608][ T258] console_flush_one_record+0x46f/0x710 [ 12.304612][ T258] ? console_emit_next_record+0x4c0/0x4c0 [ 12.304614][ T258] ? __lock_acquire+0x518/0xc20 [ 12.304619][ T258] console_unlock+0xee/0x1f0 [ 12.304622][ T258] ? console_flush_one_record+0x710/0x710 [ 12.304624][ T258] ? rcu_is_watching+0x16/0xd0 [ 12.304626][ T258] ? lock_acquire+0x60/0x160 [ 12.304629][ T258] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.304631][ T258] ? vprintk_emit+0x320/0x3e0 [ 12.304635][ T258] vprintk_emit+0x37c/0x3e0 [ 12.304638][ T258] ? wake_up_klogd_work_func+0x90/0x90 [ 12.304642][ T258] ? __lock_acquire+0x518/0xc20 [ 12.304645][ T258] _printk+0xc7/0x100 [ 12.304648][ T258] ? snapshot_read.cold+0x21/0x21 [ 12.304651][ T258] ? do_raw_spin_lock+0x131/0x280 [ 12.304654][ T258] ? __rwlock_init+0x150/0x150 [ 12.304657][ T258] ? do_raw_spin_lock+0x131/0x280 [ 12.304660][ T258] do_exit.cold+0x82/0x9c [ 12.304664][ T258] ? exit_notify+0x890/0x890 [ 12.304665][ T258] ? __lock_release.isra.0+0x69/0x1a0 [ 12.304668][ T258] ? rcu_is_watching+0x16/0xd0 [ 12.304672][ T258] do_group_exit+0xb8/0x370 [ 12.304675][ T258] __x64_sys_exit_group+0x3c/0x50 [ 12.304676][ T258] x64_sys_call+0x1567/0x1570 [ 12.304679][ T258] do_syscall_64+0xff/0x530 [ 12.304683][ T258] ? exc_page_fault+0xee/0x100 [ 12.304686][ T258] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.304688][ T258] RIP: 0033:0x7fdfcb7b81b8 [ 12.304690][ T258] Code: Unable to access opcode bytes at 0x7fdfcb7b818e. [ 12.304691][ T258] RSP: 002b:00007fff696db2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.304694][ T258] RAX: ffffffffffffffda RBX: 00007fdfcb8e8f88 RCX: 00007fdfcb7b81b8 [ 12.304695][ T258] RDX: 00007fdfcb502fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.304696][ T258] RBP: 00007fff696db340 R08: 0000000000000000 R09: 0000000000000000 [ 12.304697][ T258] R10: 00007fff696db100 R11: 0000000000000246 R12: 0000000000000001 [ 12.304697][ T258] R13: 0000000000000000 R14: 00007fdfcb8e7680 R15: 00007fdfcb8e8fa0 [ 12.304704][ T258] [ 22.772081][ T518] iperf3 (518) used greatest stack depth: 23568 bytes left [ 22.772105][ T518] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.772108][ T518] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 518, name: iperf3 [ 22.772110][ T518] preempt_count: 2, expected: 0 [ 22.772111][ T518] RCU nest depth: 0, expected: 0 [ 22.772113][ T518] locks held by iperf3/518: 5, last CPU#2: [ 22.772115][ T518] #0: ffffffff912127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 22.772130][ T518] #1: ffffffff91379cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.772138][ T518] #2: ffffffff91379d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.772143][ T518] #3: ffffffff91299660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.772149][ T518] #4: ffffffff91299560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.772154][ T518] irq event stamp: 6498140 [ 22.772156][ T518] hardirqs last enabled at (6498139): [] __down_trylock_console_sem+0x86/0xa0 [ 22.772159][ T518] hardirqs last disabled at (6498140): [] console_emit_next_record+0x3d4/0x4c0 [ 22.772162][ T518] softirqs last enabled at (6497852): [] handle_softirqs+0x67c/0x900 [ 22.772165][ T518] softirqs last disabled at (6497843): [] __irq_exit_rcu+0x145/0x1c0 [ 22.772168][ T518] Preemption disabled at: [ 22.772169][ T518] [<0000000000000000>] 0x0 [ 22.772178][ T518] CPU: 2 UID: 0 PID: 518 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.772183][ T518] Tainted: [W]=WARN [ 22.772184][ T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.772187][ T518] Call Trace: [ 22.772189][ T518] [ 22.772191][ T518] dump_stack_lvl+0x6f/0xa0 [ 22.772199][ T518] __might_resched.cold+0x1fe/0x2c1 [ 22.772205][ T518] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.772210][ T518] ? __kmalloc_noprof+0xdb/0x760 [ 22.772217][ T518] __kmalloc_noprof+0x443/0x760 [ 22.772221][ T518] ? alloc_buf.isra.0+0x4b/0x260 [ 22.772229][ T518] ? do_raw_spin_unlock+0x59/0x250 [ 22.772233][ T518] alloc_buf.isra.0+0x4b/0x260 [ 22.772238][ T518] put_chars+0x1e1/0x2f0 [ 22.772241][ T518] ? prb_final_commit+0x50/0x50 [ 22.772245][ T518] ? __send_to_port+0x420/0x420 [ 22.772250][ T518] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.772256][ T518] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.772259][ T518] ? validate_chain+0x38b/0xc20 [ 22.772265][ T518] hvc_console_print+0x292/0x780 [ 22.772269][ T518] ? mark_usage+0x61/0x170 [ 22.772272][ T518] ? __lock_acquire+0x518/0xc20 [ 22.772274][ T518] ? __lock_acquire+0x518/0xc20 [ 22.772280][ T518] ? hvc_write+0x3a0/0x3a0 [ 22.772284][ T518] ? console_emit_next_record+0x1df/0x4c0 [ 22.772290][ T518] ? rcu_is_watching+0x16/0xd0 [ 22.772294][ T518] ? lock_acquire+0x13c/0x160 [ 22.772301][ T518] console_emit_next_record+0x22f/0x4c0 [ 22.772307][ T518] ? devkmsg_read+0x4b0/0x4b0 [ 22.772310][ T518] ? console_flush_one_record+0x106/0x710 [ 22.772315][ T518] ? rcu_is_watching+0x16/0xd0 [ 22.772318][ T518] ? lock_acquire+0x13c/0x160 [ 22.772325][ T518] console_flush_one_record+0x46f/0x710 [ 22.772332][ T518] ? console_emit_next_record+0x4c0/0x4c0 [ 22.772334][ T518] ? __lock_acquire+0x518/0xc20 [ 22.772343][ T518] console_unlock+0xee/0x1f0 [ 22.772347][ T518] ? console_flush_one_record+0x710/0x710 [ 22.772350][ T518] ? rcu_is_watching+0x16/0xd0 [ 22.772353][ T518] ? lock_acquire+0x60/0x160 [ 22.772359][ T518] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.772362][ T518] ? vprintk_emit+0x320/0x3e0 [ 22.772367][ T518] vprintk_emit+0x37c/0x3e0 [ 22.772373][ T518] ? wake_up_klogd_work_func+0x90/0x90 [ 22.772379][ T518] ? __lock_acquire+0x518/0xc20 [ 22.772385][ T518] _printk+0xc7/0x100 [ 22.772390][ T518] ? snapshot_read.cold+0x21/0x21 [ 22.772394][ T518] ? do_raw_spin_lock+0x131/0x280 [ 22.772398][ T518] ? __rwlock_init+0x150/0x150 [ 22.772404][ T518] ? do_raw_spin_lock+0x131/0x280 [ 22.772408][ T518] do_exit.cold+0x82/0x9c [ 22.772414][ T518] ? exit_notify+0x890/0x890 [ 22.772423][ T518] __x64_sys_exit+0x42/0x50 [ 22.772426][ T518] x64_sys_call+0x156c/0x1570 [ 22.772429][ T518] do_syscall_64+0xff/0x530 [ 22.772433][ T518] ? exc_page_fault+0xee/0x100 [ 22.772438][ T518] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.772441][ T518] RIP: 0033:0x7fba627c7c49 [ 22.772444][ T518] Code: Unable to access opcode bytes at 0x7fba627c7c1f. [ 22.772451][ T518] RSP: 002b:00007fba61f86e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 22.772454][ T518] RAX: ffffffffffffffda RBX: 00007fba61f876c0 RCX: 00007fba627c7c49 [ 22.772456][ T518] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 22.772458][ T518] RBP: 00007fba61f86f70 R08: 0000000000000001 R09: 00007fba61f876c0 [ 22.772459][ T518] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fba61787000 [ 22.772461][ T518] R13: 00007ffd77e056f0 R14: 0000000000000002 R15: 00007ffd77e057f7 [ 22.772473][ T518] [ 22.905330][ T343] tun0: deleting peer with id 4, reason 4 [ 22.906040][ T343] tun0: deleting peer with id 3, reason 4 [ 22.906357][ T343] tun0: deleting peer with id 5, reason 4 [ 22.906683][ T343] tun0: deleting peer with id 1, reason 4 [ 22.907052][ T343] tun0: deleting peer with id 6, reason 4 [ 22.907414][ T343] tun0: deleting peer with id 2, reason 4 [ 22.913509][ T406] tun4: deleting peer with id 13, reason 4 [ 22.914162][ T392] tun3: deleting peer with id 12, reason 4 [ 22.916651][ T434] tun6: deleting peer with id 15, reason 4 [ 22.917150][ T420] tun5: deleting peer with id 14, reason 4 [ 22.917539][ T364] tun1: deleting peer with id 10, reason 4 [ 22.919798][ T378] tun2: deleting peer with id 11, reason 4