[ 11.832477][ T252] ip (252) used greatest stack depth: 24576 bytes left [ 11.832494][ T252] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.832496][ T252] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 252, name: ip [ 11.832498][ T252] preempt_count: 2, expected: 0 [ 11.832498][ T252] RCU nest depth: 0, expected: 0 [ 11.832499][ T252] locks held by ip/252: 5, last CPU#0: [ 11.832502][ T252] #0: ffffffffa70127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.832513][ T252] #1: ffffffffa7179cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.832519][ T252] #2: ffffffffa7179d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.832523][ T252] #3: ffffffffa7099660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.832527][ T252] #4: ffffffffa7099560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.832531][ T252] irq event stamp: 44102 [ 11.832531][ T252] hardirqs last enabled at (44101): [] __down_trylock_console_sem+0x86/0xa0 [ 11.832534][ T252] hardirqs last disabled at (44102): [] console_emit_next_record+0x3d4/0x4c0 [ 11.832536][ T252] softirqs last enabled at (43984): [] handle_softirqs+0x67c/0x900 [ 11.832538][ T252] softirqs last disabled at (43979): [] __irq_exit_rcu+0x145/0x1c0 [ 11.832540][ T252] Preemption disabled at: [ 11.832541][ T252] [<0000000000000000>] 0x0 [ 11.832547][ T252] CPU: 0 UID: 0 PID: 252 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.832551][ T252] Tainted: [W]=WARN [ 11.832551][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.832553][ T252] Call Trace: [ 11.832555][ T252] [ 11.832556][ T252] dump_stack_lvl+0x6f/0xa0 [ 11.832562][ T252] __might_resched.cold+0x1fe/0x2c1 [ 11.832567][ T252] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.832571][ T252] ? __kmalloc_noprof+0xdb/0x760 [ 11.832576][ T252] __kmalloc_noprof+0x443/0x760 [ 11.832578][ T252] ? alloc_buf.isra.0+0x4b/0x260 [ 11.832584][ T252] ? do_raw_spin_unlock+0x59/0x250 [ 11.832587][ T252] alloc_buf.isra.0+0x4b/0x260 [ 11.832590][ T252] put_chars+0x1e1/0x2f0 [ 11.832593][ T252] ? __send_to_port+0x420/0x420 [ 11.832595][ T252] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.832599][ T252] ? validate_chain+0x38b/0xc20 [ 11.832605][ T252] hvc_console_print+0x292/0x780 [ 11.832611][ T252] ? hvc_write+0x3a0/0x3a0 [ 11.832614][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.832616][ T252] ? lock_acquire+0x13c/0x160 [ 11.832620][ T252] console_emit_next_record+0x22f/0x4c0 [ 11.832624][ T252] ? devkmsg_read+0x4b0/0x4b0 [ 11.832626][ T252] ? console_flush_one_record+0x106/0x710 [ 11.832629][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.832631][ T252] ? lock_acquire+0x13c/0x160 [ 11.832635][ T252] console_flush_one_record+0x46f/0x710 [ 11.832639][ T252] ? console_emit_next_record+0x4c0/0x4c0 [ 11.832641][ T252] ? __lock_acquire+0x518/0xc20 [ 11.832646][ T252] console_unlock+0xee/0x1f0 [ 11.832649][ T252] ? console_flush_one_record+0x710/0x710 [ 11.832651][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.832653][ T252] ? lock_acquire+0x60/0x160 [ 11.832657][ T252] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.832659][ T252] ? vprintk_emit+0x320/0x3e0 [ 11.832662][ T252] vprintk_emit+0x37c/0x3e0 [ 11.832666][ T252] ? wake_up_klogd_work_func+0x90/0x90 [ 11.832669][ T252] ? __lock_acquire+0x518/0xc20 [ 11.832673][ T252] _printk+0xc7/0x100 [ 11.832676][ T252] ? snapshot_read.cold+0x21/0x21 [ 11.832679][ T252] ? do_raw_spin_lock+0x131/0x280 [ 11.832682][ T252] ? __rwlock_init+0x150/0x150 [ 11.832686][ T252] ? do_raw_spin_lock+0x131/0x280 [ 11.832688][ T252] do_exit.cold+0x82/0x9c [ 11.832692][ T252] ? exit_notify+0x890/0x890 [ 11.832694][ T252] ? __lock_release.isra.0+0x69/0x1a0 [ 11.832696][ T252] ? rcu_is_watching+0x16/0xd0 [ 11.832700][ T252] do_group_exit+0xb8/0x370 [ 11.832703][ T252] __x64_sys_exit_group+0x3c/0x50 [ 11.832705][ T252] x64_sys_call+0x1567/0x1570 [ 11.832708][ T252] do_syscall_64+0xff/0x530 [ 11.832712][ T252] ? exc_page_fault+0xee/0x100 [ 11.832715][ T252] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.832718][ T252] RIP: 0033:0x7efc5b94e1b8 [ 11.832720][ T252] Code: Unable to access opcode bytes at 0x7efc5b94e18e. [ 11.832721][ T252] RSP: 002b:00007ffec7c96478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.832724][ T252] RAX: ffffffffffffffda RBX: 00007efc5ba7ef88 RCX: 00007efc5b94e1b8 [ 11.832725][ T252] RDX: 00007efc5b698fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.832726][ T252] RBP: 00007ffec7c964d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.832727][ T252] R10: 00007ffec7c96290 R11: 0000000000000246 R12: 0000000000000001 [ 11.832728][ T252] R13: 0000000000000000 R14: 00007efc5ba7d680 R15: 00007efc5ba7efa0 [ 11.832735][ T252] [ 12.254808][ T265] ip (265) used greatest stack depth: 24568 bytes left [ 12.295033][ T266] ip (266) used greatest stack depth: 24464 bytes left [ 12.515246][ T273] ip (273) used greatest stack depth: 24184 bytes left [ 22.060572][ T520] iperf3 (520) used greatest stack depth: 23592 bytes left [ 22.060594][ T520] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.060596][ T520] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 520, name: iperf3 [ 22.060598][ T520] preempt_count: 2, expected: 0 [ 22.060599][ T520] RCU nest depth: 0, expected: 0 [ 22.060600][ T520] locks held by iperf3/520: 5, last CPU#2: [ 22.060601][ T520] #0: ffffffffa70127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 22.060613][ T520] #1: ffffffffa7179cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.060619][ T520] #2: ffffffffa7179d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.060623][ T520] #3: ffffffffa7099660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.060627][ T520] #4: ffffffffa7099560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.060631][ T520] irq event stamp: 7086160 [ 22.060632][ T520] hardirqs last enabled at (7086159): [] __down_trylock_console_sem+0x86/0xa0 [ 22.060634][ T520] hardirqs last disabled at (7086160): [] console_emit_next_record+0x3d4/0x4c0 [ 22.060636][ T520] softirqs last enabled at (7085904): [] handle_softirqs+0x67c/0x900 [ 22.060639][ T520] softirqs last disabled at (7085899): [] __irq_exit_rcu+0x145/0x1c0 [ 22.060641][ T520] Preemption disabled at: [ 22.060642][ T520] [<0000000000000000>] 0x0 [ 22.060649][ T520] CPU: 2 UID: 0 PID: 520 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.060652][ T520] Tainted: [W]=WARN [ 22.060653][ T520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.060655][ T520] Call Trace: [ 22.060656][ T520] [ 22.060658][ T520] dump_stack_lvl+0x6f/0xa0 [ 22.060665][ T520] __might_resched.cold+0x1fe/0x2c1 [ 22.060669][ T520] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.060673][ T520] ? __kmalloc_noprof+0xdb/0x760 [ 22.060678][ T520] __kmalloc_noprof+0x443/0x760 [ 22.060681][ T520] ? alloc_buf.isra.0+0x4b/0x260 [ 22.060687][ T520] ? do_raw_spin_unlock+0x59/0x250 [ 22.060690][ T520] alloc_buf.isra.0+0x4b/0x260 [ 22.060693][ T520] put_chars+0x1e1/0x2f0 [ 22.060695][ T520] ? prb_final_commit+0x50/0x50 [ 22.060698][ T520] ? __send_to_port+0x420/0x420 [ 22.060701][ T520] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.060706][ T520] ? rcu_read_lock_any_held+0x3c/0x90 [ 22.060708][ T520] ? validate_chain+0x38b/0xc20 [ 22.060712][ T520] hvc_console_print+0x292/0x780 [ 22.060716][ T520] ? mark_usage+0x61/0x170 [ 22.060718][ T520] ? __lock_acquire+0x518/0xc20 [ 22.060719][ T520] ? __lock_acquire+0x518/0xc20 [ 22.060723][ T520] ? hvc_write+0x3a0/0x3a0 [ 22.060725][ T520] ? console_emit_next_record+0x1df/0x4c0 [ 22.060729][ T520] ? rcu_is_watching+0x16/0xd0 [ 22.060731][ T520] ? lock_acquire+0x13c/0x160 [ 22.060735][ T520] console_emit_next_record+0x22f/0x4c0 [ 22.060739][ T520] ? devkmsg_read+0x4b0/0x4b0 [ 22.060741][ T520] ? console_flush_one_record+0x106/0x710 [ 22.060744][ T520] ? rcu_is_watching+0x16/0xd0 [ 22.060747][ T520] ? lock_acquire+0x13c/0x160 [ 22.060751][ T520] console_flush_one_record+0x46f/0x710 [ 22.060755][ T520] ? console_emit_next_record+0x4c0/0x4c0 [ 22.060757][ T520] ? __lock_acquire+0x518/0xc20 [ 22.060762][ T520] console_unlock+0xee/0x1f0 [ 22.060765][ T520] ? console_flush_one_record+0x710/0x710 [ 22.060767][ T520] ? rcu_is_watching+0x16/0xd0 [ 22.060769][ T520] ? lock_acquire+0x60/0x160 [ 22.060773][ T520] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.060774][ T520] ? vprintk_emit+0x320/0x3e0 [ 22.060778][ T520] vprintk_emit+0x37c/0x3e0 [ 22.060781][ T520] ? wake_up_klogd_work_func+0x90/0x90 [ 22.060785][ T520] ? __lock_acquire+0x518/0xc20 [ 22.060789][ T520] _printk+0xc7/0x100 [ 22.060792][ T520] ? snapshot_read.cold+0x21/0x21 [ 22.060795][ T520] ? do_raw_spin_lock+0x131/0x280 [ 22.060798][ T520] ? __rwlock_init+0x150/0x150 [ 22.060801][ T520] ? do_raw_spin_lock+0x131/0x280 [ 22.060804][ T520] do_exit.cold+0x82/0x9c [ 22.060808][ T520] ? exit_notify+0x890/0x890 [ 22.060813][ T520] __x64_sys_exit+0x42/0x50 [ 22.060815][ T520] x64_sys_call+0x156c/0x1570 [ 22.060818][ T520] do_syscall_64+0xff/0x530 [ 22.060822][ T520] ? exc_page_fault+0xee/0x100 [ 22.060825][ T520] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.060827][ T520] RIP: 0033:0x7fd238874c49 [ 22.060829][ T520] Code: Unable to access opcode bytes at 0x7fd238874c1f. [ 22.060831][ T520] RSP: 002b:00007fd238033e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 22.060833][ T520] RAX: ffffffffffffffda RBX: 00007fd2380346c0 RCX: 00007fd238874c49 [ 22.060835][ T520] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 22.060836][ T520] RBP: 00007fd238033f70 R08: 0000000000000001 R09: 00007fd2380346c0 [ 22.060837][ T520] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fd237834000 [ 22.060838][ T520] R13: 00007ffc37199e70 R14: 0000000000000002 R15: 00007ffc37199f77 [ 22.060844][ T520] [ 22.165020][ T365] tun1: deleting peer with id 10, reason 4 [ 22.169010][ T344] tun0: deleting peer with id 4, reason 4 [ 22.172809][ T344] tun0: deleting peer with id 3, reason 4 [ 22.173211][ T344] tun0: deleting peer with id 5, reason 4 [ 22.173558][ T344] tun0: deleting peer with id 1, reason 4 [ 22.173883][ T344] tun0: deleting peer with id 6, reason 4 [ 22.174199][ T344] tun0: deleting peer with id 2, reason 4 [ 22.174721][ T379] tun2: deleting peer with id 11, reason 4 [ 22.174736][ T421] tun5: deleting peer with id 14, reason 4 [ 22.175184][ T393] tun3: deleting peer with id 12, reason 4 [ 22.177244][ T407] tun4: deleting peer with id 13, reason 4 [ 22.177826][ T435] tun6: deleting peer with id 15, reason 4