[ 10.636728][ T251] ip (251) used greatest stack depth: 24224 bytes left [ 10.636744][ T251] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.636745][ T251] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 251, name: ip [ 10.636747][ T251] preempt_count: 2, expected: 0 [ 10.636748][ T251] RCU nest depth: 0, expected: 0 [ 10.636749][ T251] locks held by ip/251: 5, last CPU#0: [ 10.636751][ T251] #0: ffffffffbc0127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.636762][ T251] #1: ffffffffbc179cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.636767][ T251] #2: ffffffffbc179d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.636771][ T251] #3: ffffffffbc099660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.636775][ T251] #4: ffffffffbc099560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.636779][ T251] irq event stamp: 40702 [ 10.636779][ T251] hardirqs last enabled at (40701): [] __down_trylock_console_sem+0x86/0xa0 [ 10.636782][ T251] hardirqs last disabled at (40702): [] console_emit_next_record+0x3d4/0x4c0 [ 10.636784][ T251] softirqs last enabled at (39988): [] handle_softirqs+0x67c/0x900 [ 10.636786][ T251] softirqs last disabled at (39979): [] __irq_exit_rcu+0x145/0x1c0 [ 10.636788][ T251] Preemption disabled at: [ 10.636788][ T251] [<0000000000000000>] 0x0 [ 10.636795][ T251] CPU: 0 UID: 0 PID: 251 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.636798][ T251] Tainted: [W]=WARN [ 10.636799][ T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.636801][ T251] Call Trace: [ 10.636802][ T251] [ 10.636803][ T251] dump_stack_lvl+0x6f/0xa0 [ 10.636809][ T251] __might_resched.cold+0x1fe/0x2c1 [ 10.636814][ T251] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.636817][ T251] ? __kmalloc_noprof+0xdb/0x760 [ 10.636822][ T251] __kmalloc_noprof+0x443/0x760 [ 10.636825][ T251] ? alloc_buf.isra.0+0x4b/0x260 [ 10.636831][ T251] ? do_raw_spin_unlock+0x59/0x250 [ 10.636833][ T251] alloc_buf.isra.0+0x4b/0x260 [ 10.636836][ T251] put_chars+0x1e1/0x2f0 [ 10.636839][ T251] ? __send_to_port+0x420/0x420 [ 10.636841][ T251] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.636845][ T251] ? validate_chain+0x38b/0xc20 [ 10.636850][ T251] hvc_console_print+0x292/0x780 [ 10.636857][ T251] ? hvc_write+0x3a0/0x3a0 [ 10.636859][ T251] ? rcu_is_watching+0x16/0xd0 [ 10.636861][ T251] ? lock_acquire+0x13c/0x160 [ 10.636865][ T251] console_emit_next_record+0x22f/0x4c0 [ 10.636869][ T251] ? devkmsg_read+0x4b0/0x4b0 [ 10.636871][ T251] ? console_flush_one_record+0x106/0x710 [ 10.636874][ T251] ? rcu_is_watching+0x16/0xd0 [ 10.636876][ T251] ? lock_acquire+0x13c/0x160 [ 10.636880][ T251] console_flush_one_record+0x46f/0x710 [ 10.636884][ T251] ? console_emit_next_record+0x4c0/0x4c0 [ 10.636886][ T251] ? __lock_acquire+0x518/0xc20 [ 10.636890][ T251] console_unlock+0xee/0x1f0 [ 10.636893][ T251] ? console_flush_one_record+0x710/0x710 [ 10.636895][ T251] ? rcu_is_watching+0x16/0xd0 [ 10.636897][ T251] ? lock_acquire+0x60/0x160 [ 10.636900][ T251] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.636902][ T251] ? vprintk_emit+0x320/0x3e0 [ 10.636905][ T251] vprintk_emit+0x37c/0x3e0 [ 10.636909][ T251] ? wake_up_klogd_work_func+0x90/0x90 [ 10.636912][ T251] ? __lock_acquire+0x518/0xc20 [ 10.636916][ T251] _printk+0xc7/0x100 [ 10.636919][ T251] ? snapshot_read.cold+0x21/0x21 [ 10.636922][ T251] ? do_raw_spin_lock+0x131/0x280 [ 10.636924][ T251] ? __rwlock_init+0x150/0x150 [ 10.636928][ T251] ? do_raw_spin_lock+0x131/0x280 [ 10.636931][ T251] do_exit.cold+0x82/0x9c [ 10.636934][ T251] ? exit_notify+0x890/0x890 [ 10.636936][ T251] ? __lock_release.isra.0+0x69/0x1a0 [ 10.636938][ T251] ? rcu_is_watching+0x16/0xd0 [ 10.636942][ T251] do_group_exit+0xb8/0x370 [ 10.636945][ T251] __x64_sys_exit_group+0x3c/0x50 [ 10.636947][ T251] x64_sys_call+0x1567/0x1570 [ 10.636949][ T251] do_syscall_64+0xff/0x530 [ 10.636953][ T251] ? exc_page_fault+0xee/0x100 [ 10.636955][ T251] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.636958][ T251] RIP: 0033:0x7f815542f1b8 [ 10.636960][ T251] Code: Unable to access opcode bytes at 0x7f815542f18e. [ 10.636961][ T251] RSP: 002b:00007fff50a6e938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.636963][ T251] RAX: ffffffffffffffda RBX: 00007f815555ff88 RCX: 00007f815542f1b8 [ 10.636965][ T251] RDX: 00007f8155179fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.636966][ T251] RBP: 00007fff50a6e990 R08: 0000000000000000 R09: 0000000000000000 [ 10.636966][ T251] R10: 00007fff50a6e750 R11: 0000000000000246 R12: 0000000000000001 [ 10.636967][ T251] R13: 0000000000000000 R14: 00007f815555e680 R15: 00007f815555ffa0 [ 10.636974][ T251] [ 20.164676][ T519] iperf3 (519) used greatest stack depth: 23296 bytes left [ 20.164697][ T519] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 20.164699][ T519] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 519, name: iperf3 [ 20.164700][ T519] preempt_count: 2, expected: 0 [ 20.164701][ T519] RCU nest depth: 0, expected: 0 [ 20.164702][ T519] locks held by iperf3/519: 5, last CPU#3: [ 20.164704][ T519] #0: ffffffffbc0127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 20.164716][ T519] #1: ffffffffbc179cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 20.164722][ T519] #2: ffffffffbc179d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 20.164725][ T519] #3: ffffffffbc099660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 20.164729][ T519] #4: ffffffffbc099560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 20.164733][ T519] irq event stamp: 7812990 [ 20.164734][ T519] hardirqs last enabled at (7812989): [] __down_trylock_console_sem+0x86/0xa0 [ 20.164736][ T519] hardirqs last disabled at (7812990): [] console_emit_next_record+0x3d4/0x4c0 [ 20.164738][ T519] softirqs last enabled at (7812938): [] handle_softirqs+0x67c/0x900 [ 20.164740][ T519] softirqs last disabled at (7812931): [] __irq_exit_rcu+0x145/0x1c0 [ 20.164742][ T519] Preemption disabled at: [ 20.164743][ T519] [<0000000000000000>] 0x0 [ 20.164750][ T519] CPU: 3 UID: 0 PID: 519 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 20.164754][ T519] Tainted: [W]=WARN [ 20.164755][ T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.164756][ T519] Call Trace: [ 20.164758][ T519] [ 20.164759][ T519] dump_stack_lvl+0x6f/0xa0 [ 20.164765][ T519] __might_resched.cold+0x1fe/0x2c1 [ 20.164770][ T519] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 20.164774][ T519] ? __kmalloc_noprof+0xdb/0x760 [ 20.164779][ T519] __kmalloc_noprof+0x443/0x760 [ 20.164781][ T519] ? alloc_buf.isra.0+0x4b/0x260 [ 20.164787][ T519] ? do_raw_spin_unlock+0x59/0x250 [ 20.164790][ T519] alloc_buf.isra.0+0x4b/0x260 [ 20.164793][ T519] put_chars+0x1e1/0x2f0 [ 20.164795][ T519] ? prb_final_commit+0x50/0x50 [ 20.164797][ T519] ? __send_to_port+0x420/0x420 [ 20.164801][ T519] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 20.164805][ T519] ? rcu_read_lock_any_held+0x3c/0x90 [ 20.164807][ T519] ? validate_chain+0x38b/0xc20 [ 20.164810][ T519] hvc_console_print+0x292/0x780 [ 20.164814][ T519] ? mark_usage+0x61/0x170 [ 20.164816][ T519] ? __lock_acquire+0x518/0xc20 [ 20.164817][ T519] ? __lock_acquire+0x518/0xc20 [ 20.164821][ T519] ? hvc_write+0x3a0/0x3a0 [ 20.164823][ T519] ? console_emit_next_record+0x1df/0x4c0 [ 20.164826][ T519] ? rcu_is_watching+0x16/0xd0 [ 20.164829][ T519] ? lock_acquire+0x13c/0x160 [ 20.164832][ T519] console_emit_next_record+0x22f/0x4c0 [ 20.164836][ T519] ? devkmsg_read+0x4b0/0x4b0 [ 20.164838][ T519] ? console_flush_one_record+0x106/0x710 [ 20.164841][ T519] ? rcu_is_watching+0x16/0xd0 [ 20.164843][ T519] ? lock_acquire+0x13c/0x160 [ 20.164847][ T519] console_flush_one_record+0x46f/0x710 [ 20.164851][ T519] ? console_emit_next_record+0x4c0/0x4c0 [ 20.164852][ T519] ? __lock_acquire+0x518/0xc20 [ 20.164857][ T519] console_unlock+0xee/0x1f0 [ 20.164860][ T519] ? console_flush_one_record+0x710/0x710 [ 20.164862][ T519] ? rcu_is_watching+0x16/0xd0 [ 20.164864][ T519] ? lock_acquire+0x60/0x160 [ 20.164867][ T519] ? __down_trylock_console_sem+0x5e/0xa0 [ 20.164869][ T519] ? vprintk_emit+0x320/0x3e0 [ 20.164872][ T519] vprintk_emit+0x37c/0x3e0 [ 20.164876][ T519] ? wake_up_klogd_work_func+0x90/0x90 [ 20.164879][ T519] ? __lock_acquire+0x518/0xc20 [ 20.164882][ T519] _printk+0xc7/0x100 [ 20.164886][ T519] ? snapshot_read.cold+0x21/0x21 [ 20.164889][ T519] ? do_raw_spin_lock+0x131/0x280 [ 20.164891][ T519] ? __rwlock_init+0x150/0x150 [ 20.164895][ T519] ? do_raw_spin_lock+0x131/0x280 [ 20.164897][ T519] do_exit.cold+0x82/0x9c [ 20.164901][ T519] ? exit_notify+0x890/0x890 [ 20.164905][ T519] __x64_sys_exit+0x42/0x50 [ 20.164907][ T519] x64_sys_call+0x156c/0x1570 [ 20.164910][ T519] do_syscall_64+0xff/0x530 [ 20.164914][ T519] ? exc_page_fault+0xee/0x100 [ 20.164916][ T519] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 20.164919][ T519] RIP: 0033:0x7ff862dc0c49 [ 20.164921][ T519] Code: Unable to access opcode bytes at 0x7ff862dc0c1f. [ 20.164922][ T519] RSP: 002b:00007ff86257fe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 20.164925][ T519] RAX: ffffffffffffffda RBX: 00007ff8625806c0 RCX: 00007ff862dc0c49 [ 20.164926][ T519] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 20.164927][ T519] RBP: 00007ff86257ff70 R08: 0000000000000001 R09: 00007ff8625806c0 [ 20.164928][ T519] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ff861d80000 [ 20.164929][ T519] R13: 00007ffd3fec9300 R14: 0000000000000002 R15: 00007ffd3fec9407 [ 20.164935][ T519] [ 20.256120][ T364] tun1: deleting peer with id 10, reason 4 [ 20.257086][ T378] tun2: deleting peer with id 11, reason 4 [ 20.257136][ T421] tun5: deleting peer with id 14, reason 4 [ 20.258119][ T343] tun0: deleting peer with id 4, reason 4 [ 20.258466][ T343] tun0: deleting peer with id 3, reason 4 [ 20.258777][ T343] tun0: deleting peer with id 5, reason 4 [ 20.259086][ T343] tun0: deleting peer with id 1, reason 4 [ 20.259392][ T343] tun0: deleting peer with id 6, reason 4 [ 20.259755][ T343] tun0: deleting peer with id 2, reason 4 [ 20.260116][ T406] tun4: deleting peer with id 13, reason 4 [ 20.260133][ T392] tun3: deleting peer with id 12, reason 4 [ 20.261210][ T435] tun6: deleting peer with id 15, reason 4