[ 10.818235][ T234] ip (234) used greatest stack depth: 24856 bytes left [ 10.818252][ T234] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.818254][ T234] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 234, name: ip [ 10.818256][ T234] preempt_count: 2, expected: 0 [ 10.818257][ T234] RCU nest depth: 0, expected: 0 [ 10.818258][ T234] locks held by ip/234: 5, last CPU#3: [ 10.818260][ T234] #0: ffffffffb9e127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.818271][ T234] #1: ffffffffb9f79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.818278][ T234] #2: ffffffffb9f79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.818282][ T234] #3: ffffffffb9e99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.818286][ T234] #4: ffffffffb9e99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.818290][ T234] irq event stamp: 30266 [ 10.818291][ T234] hardirqs last enabled at (30265): [] __down_trylock_console_sem+0x86/0xa0 [ 10.818293][ T234] hardirqs last disabled at (30266): [] console_emit_next_record+0x3d4/0x4c0 [ 10.818295][ T234] softirqs last enabled at (28980): [] netlink_release+0x17b/0xcf0 [ 10.818300][ T234] softirqs last disabled at (28978): [] netlink_release+0xd2/0xcf0 [ 10.818302][ T234] Preemption disabled at: [ 10.818303][ T234] [<0000000000000000>] 0x0 [ 10.818310][ T234] CPU: 3 UID: 0 PID: 234 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.818313][ T234] Tainted: [W]=WARN [ 10.818314][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.818315][ T234] Call Trace: [ 10.818317][ T234] [ 10.818319][ T234] dump_stack_lvl+0x6f/0xa0 [ 10.818325][ T234] __might_resched.cold+0x1fe/0x2c1 [ 10.818329][ T234] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.818333][ T234] ? __kmalloc_noprof+0xdb/0x760 [ 10.818338][ T234] __kmalloc_noprof+0x443/0x760 [ 10.818340][ T234] ? alloc_buf.isra.0+0x4b/0x260 [ 10.818346][ T234] ? do_raw_spin_unlock+0x59/0x250 [ 10.818349][ T234] alloc_buf.isra.0+0x4b/0x260 [ 10.818352][ T234] put_chars+0x1e1/0x2f0 [ 10.818355][ T234] ? __send_to_port+0x420/0x420 [ 10.818357][ T234] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.818362][ T234] ? validate_chain+0x38b/0xc20 [ 10.818368][ T234] hvc_console_print+0x292/0x780 [ 10.818375][ T234] ? hvc_write+0x3a0/0x3a0 [ 10.818377][ T234] ? rcu_is_watching+0x16/0xd0 [ 10.818380][ T234] ? lock_acquire+0x13c/0x160 [ 10.818383][ T234] console_emit_next_record+0x22f/0x4c0 [ 10.818387][ T234] ? devkmsg_read+0x4b0/0x4b0 [ 10.818389][ T234] ? console_flush_one_record+0x106/0x710 [ 10.818392][ T234] ? rcu_is_watching+0x16/0xd0 [ 10.818395][ T234] ? lock_acquire+0x13c/0x160 [ 10.818399][ T234] console_flush_one_record+0x46f/0x710 [ 10.818403][ T234] ? console_emit_next_record+0x4c0/0x4c0 [ 10.818404][ T234] ? __lock_acquire+0x518/0xc20 [ 10.818410][ T234] console_unlock+0xee/0x1f0 [ 10.818412][ T234] ? console_flush_one_record+0x710/0x710 [ 10.818414][ T234] ? rcu_is_watching+0x16/0xd0 [ 10.818417][ T234] ? lock_acquire+0x60/0x160 [ 10.818420][ T234] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.818422][ T234] ? vprintk_emit+0x320/0x3e0 [ 10.818426][ T234] vprintk_emit+0x37c/0x3e0 [ 10.818429][ T234] ? wake_up_klogd_work_func+0x90/0x90 [ 10.818433][ T234] ? __lock_acquire+0x518/0xc20 [ 10.818436][ T234] _printk+0xc7/0x100 [ 10.818440][ T234] ? snapshot_read.cold+0x21/0x21 [ 10.818443][ T234] ? do_raw_spin_lock+0x131/0x280 [ 10.818445][ T234] ? __rwlock_init+0x150/0x150 [ 10.818449][ T234] ? do_raw_spin_lock+0x131/0x280 [ 10.818452][ T234] do_exit.cold+0x82/0x9c [ 10.818456][ T234] ? exit_notify+0x890/0x890 [ 10.818457][ T234] ? __lock_release.isra.0+0x69/0x1a0 [ 10.818460][ T234] ? rcu_is_watching+0x16/0xd0 [ 10.818464][ T234] do_group_exit+0xb8/0x370 [ 10.818467][ T234] __x64_sys_exit_group+0x3c/0x50 [ 10.818468][ T234] x64_sys_call+0x1567/0x1570 [ 10.818471][ T234] do_syscall_64+0xff/0x530 [ 10.818475][ T234] ? exc_page_fault+0xee/0x100 [ 10.818478][ T234] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.818480][ T234] RIP: 0033:0x7f1f249da1b8 [ 10.818483][ T234] Code: Unable to access opcode bytes at 0x7f1f249da18e. [ 10.818484][ T234] RSP: 002b:00007ffd1d8fc298 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.818486][ T234] RAX: ffffffffffffffda RBX: 00007f1f24b0af88 RCX: 00007f1f249da1b8 [ 10.818488][ T234] RDX: 00007f1f24724fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.818489][ T234] RBP: 00007ffd1d8fc2f0 R08: 0000000000000000 R09: 0000000000000000 [ 10.818490][ T234] R10: 00007ffd1d8fc0b0 R11: 0000000000000246 R12: 0000000000000001 [ 10.818490][ T234] R13: 0000000000000000 R14: 00007f1f24b09680 R15: 00007f1f24b0afa0 [ 10.818497][ T234] [ 14.992162][ T301] ip (301) used greatest stack depth: 23952 bytes left [ 14.992178][ T301] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.992181][ T301] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 301, name: ip [ 14.992182][ T301] preempt_count: 2, expected: 0 [ 14.992183][ T301] RCU nest depth: 0, expected: 0 [ 14.992184][ T301] locks held by ip/301: 5, last CPU#3: [ 14.992186][ T301] #0: ffffffffb9e127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.992197][ T301] #1: ffffffffb9f79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.992203][ T301] #2: ffffffffb9f79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.992206][ T301] #3: ffffffffb9e99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.992210][ T301] #4: ffffffffb9e99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 14.992214][ T301] irq event stamp: 40128 [ 14.992215][ T301] hardirqs last enabled at (40127): [] __down_trylock_console_sem+0x86/0xa0 [ 14.992217][ T301] hardirqs last disabled at (40128): [] console_emit_next_record+0x3d4/0x4c0 [ 14.992219][ T301] softirqs last enabled at (39478): [] handle_softirqs+0x67c/0x900 [ 14.992221][ T301] softirqs last disabled at (39471): [] __irq_exit_rcu+0x145/0x1c0 [ 14.992224][ T301] Preemption disabled at: [ 14.992224][ T301] [<0000000000000000>] 0x0 [ 14.992231][ T301] CPU: 3 UID: 0 PID: 301 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.992234][ T301] Tainted: [W]=WARN [ 14.992235][ T301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.992237][ T301] Call Trace: [ 14.992239][ T301] [ 14.992240][ T301] dump_stack_lvl+0x6f/0xa0 [ 14.992246][ T301] __might_resched.cold+0x1fe/0x2c1 [ 14.992251][ T301] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.992255][ T301] ? __kmalloc_noprof+0xdb/0x760 [ 14.992259][ T301] __kmalloc_noprof+0x443/0x760 [ 14.992262][ T301] ? alloc_buf.isra.0+0x4b/0x260 [ 14.992268][ T301] ? do_raw_spin_unlock+0x59/0x250 [ 14.992270][ T301] alloc_buf.isra.0+0x4b/0x260 [ 14.992273][ T301] put_chars+0x1e1/0x2f0 [ 14.992276][ T301] ? __send_to_port+0x420/0x420 [ 14.992278][ T301] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.992283][ T301] ? validate_chain+0x38b/0xc20 [ 14.992288][ T301] hvc_console_print+0x292/0x780 [ 14.992295][ T301] ? hvc_write+0x3a0/0x3a0 [ 14.992297][ T301] ? rcu_is_watching+0x16/0xd0 [ 14.992299][ T301] ? lock_acquire+0x13c/0x160 [ 14.992303][ T301] console_emit_next_record+0x22f/0x4c0 [ 14.992307][ T301] ? devkmsg_read+0x4b0/0x4b0 [ 14.992309][ T301] ? console_flush_one_record+0x106/0x710 [ 14.992312][ T301] ? rcu_is_watching+0x16/0xd0 [ 14.992314][ T301] ? lock_acquire+0x13c/0x160 [ 14.992318][ T301] console_flush_one_record+0x46f/0x710 [ 14.992322][ T301] ? console_emit_next_record+0x4c0/0x4c0 [ 14.992324][ T301] ? __lock_acquire+0x518/0xc20 [ 14.992329][ T301] console_unlock+0xee/0x1f0 [ 14.992331][ T301] ? console_flush_one_record+0x710/0x710 [ 14.992333][ T301] ? rcu_is_watching+0x16/0xd0 [ 14.992335][ T301] ? lock_acquire+0x60/0x160 [ 14.992339][ T301] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.992341][ T301] ? vprintk_emit+0x320/0x3e0 [ 14.992344][ T301] vprintk_emit+0x37c/0x3e0 [ 14.992348][ T301] ? wake_up_klogd_work_func+0x90/0x90 [ 14.992351][ T301] ? __lock_acquire+0x518/0xc20 [ 14.992354][ T301] _printk+0xc7/0x100 [ 14.992358][ T301] ? snapshot_read.cold+0x21/0x21 [ 14.992361][ T301] ? do_raw_spin_lock+0x131/0x280 [ 14.992363][ T301] ? __rwlock_init+0x150/0x150 [ 14.992367][ T301] ? do_raw_spin_lock+0x131/0x280 [ 14.992369][ T301] do_exit.cold+0x82/0x9c [ 14.992373][ T301] ? exit_notify+0x890/0x890 [ 14.992374][ T301] ? __lock_release.isra.0+0x69/0x1a0 [ 14.992377][ T301] ? rcu_is_watching+0x16/0xd0 [ 14.992381][ T301] do_group_exit+0xb8/0x370 [ 14.992384][ T301] __x64_sys_exit_group+0x3c/0x50 [ 14.992386][ T301] x64_sys_call+0x1567/0x1570 [ 14.992389][ T301] do_syscall_64+0xff/0x530 [ 14.992392][ T301] ? exc_page_fault+0xee/0x100 [ 14.992395][ T301] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.992397][ T301] RIP: 0033:0x7ff2e59fd1b8 [ 14.992399][ T301] Code: Unable to access opcode bytes at 0x7ff2e59fd18e. [ 14.992401][ T301] RSP: 002b:00007ffd380083a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.992403][ T301] RAX: ffffffffffffffda RBX: 00007ff2e5b2df88 RCX: 00007ff2e59fd1b8 [ 14.992404][ T301] RDX: 00007ff2e5747fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.992405][ T301] RBP: 00007ffd38008400 R08: 0000000000000000 R09: 0000000000000000 [ 14.992406][ T301] R10: 00007ffd380081c0 R11: 0000000000000246 R12: 0000000000000001 [ 14.992407][ T301] R13: 0000000000000000 R14: 00007ff2e5b2c680 R15: 00007ff2e5b2dfa0 [ 14.992413][ T301] [ 29.807416][ T739] iperf3 (739) used greatest stack depth: 23296 bytes left [ 29.807437][ T739] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 29.807440][ T739] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 739, name: iperf3 [ 29.807441][ T739] preempt_count: 2, expected: 0 [ 29.807442][ T739] RCU nest depth: 0, expected: 0 [ 29.807443][ T739] locks held by iperf3/739: 5, last CPU#0: [ 29.807445][ T739] #0: ffffffffb9e127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 29.807457][ T739] #1: ffffffffb9f79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 29.807462][ T739] #2: ffffffffb9f79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 29.807466][ T739] #3: ffffffffb9e99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 29.807470][ T739] #4: ffffffffb9e99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 29.807474][ T739] irq event stamp: 7441582 [ 29.807475][ T739] hardirqs last enabled at (7441581): [] __down_trylock_console_sem+0x86/0xa0 [ 29.807477][ T739] hardirqs last disabled at (7441582): [] console_emit_next_record+0x3d4/0x4c0 [ 29.807479][ T739] softirqs last enabled at (7441288): [] handle_softirqs+0x67c/0x900 [ 29.807482][ T739] softirqs last disabled at (7441281): [] __irq_exit_rcu+0x145/0x1c0 [ 29.807484][ T739] Preemption disabled at: [ 29.807484][ T739] [<0000000000000000>] 0x0 [ 29.807491][ T739] CPU: 0 UID: 0 PID: 739 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 29.807495][ T739] Tainted: [W]=WARN [ 29.807496][ T739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.807498][ T739] Call Trace: [ 29.807499][ T739] [ 29.807501][ T739] dump_stack_lvl+0x6f/0xa0 [ 29.807507][ T739] __might_resched.cold+0x1fe/0x2c1 [ 29.807512][ T739] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 29.807516][ T739] ? __kmalloc_noprof+0xdb/0x760 [ 29.807521][ T739] __kmalloc_noprof+0x443/0x760 [ 29.807523][ T739] ? alloc_buf.isra.0+0x4b/0x260 [ 29.807529][ T739] ? do_raw_spin_unlock+0x59/0x250 [ 29.807532][ T739] alloc_buf.isra.0+0x4b/0x260 [ 29.807535][ T739] put_chars+0x1e1/0x2f0 [ 29.807538][ T739] ? prb_final_commit+0x50/0x50 [ 29.807540][ T739] ? __send_to_port+0x420/0x420 [ 29.807543][ T739] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 29.807548][ T739] ? rcu_read_lock_any_held+0x3c/0x90 [ 29.807550][ T739] ? validate_chain+0x38b/0xc20 [ 29.807553][ T739] hvc_console_print+0x292/0x780 [ 29.807557][ T739] ? mark_usage+0x61/0x170 [ 29.807559][ T739] ? __lock_acquire+0x518/0xc20 [ 29.807560][ T739] ? __lock_acquire+0x518/0xc20 [ 29.807564][ T739] ? hvc_write+0x3a0/0x3a0 [ 29.807566][ T739] ? console_emit_next_record+0x1df/0x4c0 [ 29.807569][ T739] ? rcu_is_watching+0x16/0xd0 [ 29.807572][ T739] ? lock_acquire+0x13c/0x160 [ 29.807576][ T739] console_emit_next_record+0x22f/0x4c0 [ 29.807579][ T739] ? devkmsg_read+0x4b0/0x4b0 [ 29.807581][ T739] ? console_flush_one_record+0x106/0x710 [ 29.807584][ T739] ? rcu_is_watching+0x16/0xd0 [ 29.807587][ T739] ? lock_acquire+0x13c/0x160 [ 29.807590][ T739] console_flush_one_record+0x46f/0x710 [ 29.807594][ T739] ? console_emit_next_record+0x4c0/0x4c0 [ 29.807596][ T739] ? __lock_acquire+0x518/0xc20 [ 29.807601][ T739] console_unlock+0xee/0x1f0 [ 29.807604][ T739] ? console_flush_one_record+0x710/0x710 [ 29.807606][ T739] ? rcu_is_watching+0x16/0xd0 [ 29.807608][ T739] ? lock_acquire+0x60/0x160 [ 29.807612][ T739] ? __down_trylock_console_sem+0x5e/0xa0 [ 29.807613][ T739] ? vprintk_emit+0x320/0x3e0 [ 29.807616][ T739] vprintk_emit+0x37c/0x3e0 [ 29.807620][ T739] ? wake_up_klogd_work_func+0x90/0x90 [ 29.807624][ T739] ? __lock_acquire+0x518/0xc20 [ 29.807627][ T739] _printk+0xc7/0x100 [ 29.807631][ T739] ? snapshot_read.cold+0x21/0x21 [ 29.807633][ T739] ? do_raw_spin_lock+0x131/0x280 [ 29.807636][ T739] ? __rwlock_init+0x150/0x150 [ 29.807640][ T739] ? do_raw_spin_lock+0x131/0x280 [ 29.807642][ T739] do_exit.cold+0x82/0x9c [ 29.807646][ T739] ? exit_notify+0x890/0x890 [ 29.807651][ T739] __x64_sys_exit+0x42/0x50 [ 29.807653][ T739] x64_sys_call+0x156c/0x1570 [ 29.807656][ T739] do_syscall_64+0xff/0x530 [ 29.807660][ T739] ? exc_page_fault+0xee/0x100 [ 29.807662][ T739] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 29.807665][ T739] RIP: 0033:0x7eff0ad38c49 [ 29.807667][ T739] Code: Unable to access opcode bytes at 0x7eff0ad38c1f. [ 29.807669][ T739] RSP: 002b:00007eff0a4f7e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.807671][ T739] RAX: ffffffffffffffda RBX: 00007eff0a4f86c0 RCX: 00007eff0ad38c49 [ 29.807672][ T739] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 29.807673][ T739] RBP: 00007eff0a4f7f70 R08: 0000000000000001 R09: 00007eff0a4f86c0 [ 29.807674][ T739] R10: 0000000000000008 R11: 0000000000000246 R12: 00007eff09cf8000 [ 29.807675][ T739] R13: 00007ffd9e3f3d10 R14: 0000000000000002 R15: 00007ffd9e3f3e17 [ 29.807686][ T739] [ 31.587190][ T833] tun0: deleting peer with id 1, reason 1 [ 31.587249][ T833] [ 31.587250][ T833] ===================================================== [ 31.587252][ T833] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 31.587254][ T833] 7.2.0-virtme #1 Tainted: G W [ 31.587256][ T833] ----------------------------------------------------- [ 31.587256][ T833] ovpn-cli/833 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 31.587258][ T833] ffffffffb9e99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 31.587271][ T833] [ 31.587271][ T833] and this task is already holding: [ 31.587271][ T833] ff1100000d891e68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 31.587279][ T833] which would create a new lock dependency: [ 31.587279][ T833] (&ovpn->lock){+.-.}-{3:3} -> (console_owner){....}-{0:0} [ 31.587282][ T833] [ 31.587282][ T833] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 31.587283][ T833] (&ovpn->lock){+.-.}-{3:3} [ 31.587284][ T833] [ 31.587284][ T833] ... which became SOFTIRQ-irq-safe at: [ 31.587286][ T833] __lock_acquire+0x388/0xc20 [ 31.587289][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587290][ T833] _raw_spin_lock_bh+0x38/0x50 [ 31.587294][ T833] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 31.587297][ T833] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 31.587300][ T833] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 31.587303][ T833] udp_queue_rcv_one_skb+0x645/0xb00 [ 31.587306][ T833] udp_unicast_rcv_skb+0x366/0x450 [ 31.587307][ T833] udp_rcv+0xaba/0x1d90 [ 31.587308][ T833] ip_protocol_deliver_rcu+0x82/0x350 [ 31.587311][ T833] ip_local_deliver_finish+0x36f/0x610 [ 31.587312][ T833] ip_local_deliver+0x184/0x4c0 [ 31.587314][ T833] ip_rcv+0xdc/0x3d0 [ 31.587315][ T833] __netif_receive_skb_one_core+0xfc/0x180 [ 31.587319][ T833] process_backlog+0x431/0x14c0 [ 31.587320][ T833] __napi_poll+0xa7/0x3b0 [ 31.587322][ T833] net_rx_action+0x513/0xf50 [ 31.587324][ T833] handle_softirqs+0x1d3/0x900 [ 31.587326][ T833] do_softirq+0xac/0xe0 [ 31.587327][ T833] __local_bh_enable_ip+0x118/0x150 [ 31.587329][ T833] __dev_queue_xmit+0x979/0x1b80 [ 31.587330][ T833] ip_finish_output2+0x5b9/0x1bc0 [ 31.587332][ T833] ip_output+0x1ca/0x660 [ 31.587334][ T833] ip_push_pending_frames+0xf6/0x250 [ 31.587335][ T833] raw_sendmsg+0x1169/0x1cc0 [ 31.587337][ T833] __sys_sendto+0x2aa/0x400 [ 31.587340][ T833] __x64_sys_sendto+0xe4/0x1f0 [ 31.587341][ T833] do_syscall_64+0xff/0x530 [ 31.587344][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.587346][ T833] [ 31.587346][ T833] to a SOFTIRQ-irq-unsafe lock: [ 31.587347][ T833] (fs_reclaim){+.+.}-{0:0} [ 31.587348][ T833] [ 31.587348][ T833] ... which became SOFTIRQ-irq-unsafe at: [ 31.587349][ T833] ... [ 31.587350][ T833] __lock_acquire+0x388/0xc20 [ 31.587351][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587353][ T833] fs_reclaim_acquire+0xd5/0x120 [ 31.587355][ T833] __kmalloc_cache_noprof+0x6e/0x620 [ 31.587358][ T833] kthread_create_worker_on_node+0xea/0x210 [ 31.587360][ T833] workqueue_init+0x2a/0x680 [ 31.587363][ T833] kernel_init_freeable+0x2fe/0x630 [ 31.587366][ T833] kernel_init+0x21/0x150 [ 31.587368][ T833] ret_from_fork+0x474/0x6b0 [ 31.587370][ T833] ret_from_fork_asm+0x11/0x20 [ 31.587373][ T833] [ 31.587373][ T833] other info that might help us debug this: [ 31.587373][ T833] [ 31.587374][ T833] Chain exists of: [ 31.587374][ T833] &ovpn->lock --> console_owner --> fs_reclaim [ 31.587374][ T833] [ 31.587376][ T833] Possible interrupt unsafe locking scenario: [ 31.587376][ T833] [ 31.587376][ T833] CPU0 CPU1 [ 31.587377][ T833] ---- ---- [ 31.587377][ T833] lock(fs_reclaim); [ 31.587378][ T833] local_irq_disable(); [ 31.587379][ T833] lock(&ovpn->lock); [ 31.587380][ T833] lock(console_owner); [ 31.587380][ T833] [ 31.587381][ T833] lock(&ovpn->lock); [ 31.587382][ T833] [ 31.587382][ T833] *** DEADLOCK *** [ 31.587382][ T833] [ 31.587382][ T833] locks held by ovpn-cli/833: 4, last CPU#0: [ 31.587384][ T833] #0: ffffffffba744ba8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 31.587389][ T833] #1: ff1100000d891e68 (&ovpn->lock){+.-.}-{3:3}, at: ovpn_peer_del+0xa0/0x590 [ovpn] [ 31.587393][ T833] #2: ffffffffb9f79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 31.587397][ T833] #3: ffffffffb9f79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 31.587400][ T833] [ 31.587400][ T833] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 31.587401][ T833] -> (&ovpn->lock){+.-.}-{3:3} { [ 31.587402][ T833] HARDIRQ-ON-W at: [ 31.587404][ T833] __lock_acquire+0x388/0xc20 [ 31.587405][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587407][ T833] _raw_spin_lock_bh+0x38/0x50 [ 31.587408][ T833] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 31.587410][ T833] ovpn_peer_add+0x152/0x330 [ovpn] [ 31.587412][ T833] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 31.587415][ T833] genl_family_rcv_msg_doit+0x206/0x300 [ 31.587417][ T833] genl_family_rcv_msg+0x3a4/0x640 [ 31.587418][ T833] genl_rcv_msg+0xbb/0x160 [ 31.587420][ T833] netlink_rcv_skb+0x14e/0x3a0 [ 31.587421][ T833] genl_rcv+0x28/0x40 [ 31.587423][ T833] netlink_unicast+0x486/0x750 [ 31.587425][ T833] netlink_sendmsg+0x735/0xc60 [ 31.587426][ T833] ____sys_sendmsg+0x415/0x880 [ 31.587428][ T833] ___sys_sendmsg+0x14e/0x1d0 [ 31.587429][ T833] __sys_sendmsg+0x12c/0x1d0 [ 31.587431][ T833] do_syscall_64+0xff/0x530 [ 31.587433][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.587434][ T833] IN-SOFTIRQ-W at: [ 31.587434][ T833] __lock_acquire+0x388/0xc20 [ 31.587436][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587437][ T833] _raw_spin_lock_bh+0x38/0x50 [ 31.587438][ T833] ovpn_peer_endpoints_update+0xbc6/0x1ba0 [ovpn] [ 31.587440][ T833] ovpn_decrypt_post+0x74a/0x13e0 [ovpn] [ 31.587443][ T833] ovpn_udp_encap_recv+0x295/0x610 [ovpn] [ 31.587445][ T833] udp_queue_rcv_one_skb+0x645/0xb00 [ 31.587446][ T833] udp_unicast_rcv_skb+0x366/0x450 [ 31.587448][ T833] udp_rcv+0xaba/0x1d90 [ 31.587449][ T833] ip_protocol_deliver_rcu+0x82/0x350 [ 31.587450][ T833] ip_local_deliver_finish+0x36f/0x610 [ 31.587452][ T833] ip_local_deliver+0x184/0x4c0 [ 31.587453][ T833] ip_rcv+0xdc/0x3d0 [ 31.587454][ T833] __netif_receive_skb_one_core+0xfc/0x180 [ 31.587456][ T833] process_backlog+0x431/0x14c0 [ 31.587457][ T833] __napi_poll+0xa7/0x3b0 [ 31.587459][ T833] net_rx_action+0x513/0xf50 [ 31.587461][ T833] handle_softirqs+0x1d3/0x900 [ 31.587462][ T833] do_softirq+0xac/0xe0 [ 31.587463][ T833] __local_bh_enable_ip+0x118/0x150 [ 31.587464][ T833] __dev_queue_xmit+0x979/0x1b80 [ 31.587466][ T833] ip_finish_output2+0x5b9/0x1bc0 [ 31.587467][ T833] ip_output+0x1ca/0x660 [ 31.587469][ T833] ip_push_pending_frames+0xf6/0x250 [ 31.587470][ T833] raw_sendmsg+0x1169/0x1cc0 [ 31.587471][ T833] __sys_sendto+0x2aa/0x400 [ 31.587473][ T833] __x64_sys_sendto+0xe4/0x1f0 [ 31.587474][ T833] do_syscall_64+0xff/0x530 [ 31.587476][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.587477][ T833] INITIAL USE at: [ 31.587478][ T833] __lock_acquire+0x388/0xc20 [ 31.587479][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587480][ T833] _raw_spin_lock_bh+0x38/0x50 [ 31.587481][ T833] ovpn_peer_add_mp+0xad/0x6a0 [ovpn] [ 31.587483][ T833] ovpn_peer_add+0x152/0x330 [ovpn] [ 31.587486][ T833] ovpn_nl_peer_new_doit+0x54f/0xcf0 [ovpn] [ 31.587488][ T833] genl_family_rcv_msg_doit+0x206/0x300 [ 31.587489][ T833] genl_family_rcv_msg+0x3a4/0x640 [ 31.587491][ T833] genl_rcv_msg+0xbb/0x160 [ 31.587492][ T833] netlink_rcv_skb+0x14e/0x3a0 [ 31.587494][ T833] genl_rcv+0x28/0x40 [ 31.587495][ T833] netlink_unicast+0x486/0x750 [ 31.587497][ T833] netlink_sendmsg+0x735/0xc60 [ 31.587498][ T833] ____sys_sendmsg+0x415/0x880 [ 31.587500][ T833] ___sys_sendmsg+0x14e/0x1d0 [ 31.587501][ T833] __sys_sendmsg+0x12c/0x1d0 [ 31.587503][ T833] do_syscall_64+0xff/0x530 [ 31.587504][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.587505][ T833] } [ 31.587506][ T833] ... key at: [] __key.84+0x0/0x40 [ovpn] [ 31.587509][ T833] [ 31.587509][ T833] the dependencies between the lock to be acquired [ 31.587509][ T833] and SOFTIRQ-irq-unsafe lock: [ 31.587514][ T833] -> (fs_reclaim){+.+.}-{0:0} { [ 31.587516][ T833] HARDIRQ-ON-W at: [ 31.587516][ T833] __lock_acquire+0x388/0xc20 [ 31.587518][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587519][ T833] fs_reclaim_acquire+0xd5/0x120 [ 31.587520][ T833] __kmalloc_cache_noprof+0x6e/0x620 [ 31.587522][ T833] kthread_create_worker_on_node+0xea/0x210 [ 31.587523][ T833] workqueue_init+0x2a/0x680 [ 31.587524][ T833] kernel_init_freeable+0x2fe/0x630 [ 31.587526][ T833] kernel_init+0x21/0x150 [ 31.587527][ T833] ret_from_fork+0x474/0x6b0 [ 31.587528][ T833] ret_from_fork_asm+0x11/0x20 [ 31.587530][ T833] SOFTIRQ-ON-W at: [ 31.587530][ T833] __lock_acquire+0x388/0xc20 [ 31.587532][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587533][ T833] fs_reclaim_acquire+0xd5/0x120 [ 31.587534][ T833] __kmalloc_cache_noprof+0x6e/0x620 [ 31.587535][ T833] kthread_create_worker_on_node+0xea/0x210 [ 31.587537][ T833] workqueue_init+0x2a/0x680 [ 31.587538][ T833] kernel_init_freeable+0x2fe/0x630 [ 31.587540][ T833] kernel_init+0x21/0x150 [ 31.587541][ T833] ret_from_fork+0x474/0x6b0 [ 31.587542][ T833] ret_from_fork_asm+0x11/0x20 [ 31.587543][ T833] INITIAL USE at: [ 31.587544][ T833] __lock_acquire+0x388/0xc20 [ 31.587545][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587546][ T833] fs_reclaim_acquire+0xd5/0x120 [ 31.587547][ T833] __kmalloc_cache_noprof+0x6e/0x620 [ 31.587549][ T833] kthread_create_worker_on_node+0xea/0x210 [ 31.587550][ T833] workqueue_init+0x2a/0x680 [ 31.587551][ T833] kernel_init_freeable+0x2fe/0x630 [ 31.587553][ T833] kernel_init+0x21/0x150 [ 31.587554][ T833] ret_from_fork+0x474/0x6b0 [ 31.587555][ T833] ret_from_fork_asm+0x11/0x20 [ 31.587556][ T833] } [ 31.587557][ T833] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 31.587560][ T833] ... acquired at: [ 31.587561][ T833] __lock_acquire+0x518/0xc20 [ 31.587562][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587564][ T833] fs_reclaim_acquire+0xd5/0x120 [ 31.587565][ T833] __kmalloc_noprof+0xd3/0x760 [ 31.587566][ T833] alloc_buf.isra.0+0x4b/0x260 [ 31.587569][ T833] put_chars+0x1e1/0x2f0 [ 31.587571][ T833] hvc_console_print+0x292/0x780 [ 31.587573][ T833] console_emit_next_record+0x22f/0x4c0 [ 31.587575][ T833] console_flush_one_record+0x46f/0x710 [ 31.587576][ T833] console_unlock+0xee/0x1f0 [ 31.587578][ T833] vprintk_emit+0x37c/0x3e0 [ 31.587579][ T833] _printk+0xc7/0x100 [ 31.587582][ T833] dm_interface_init+0x50/0x60 [ 31.587585][ T833] dm_init+0x51/0xd0 [ 31.587587][ T833] do_one_initcall+0x124/0x4f0 [ 31.587589][ T833] kernel_init_freeable+0x596/0x630 [ 31.587590][ T833] kernel_init+0x21/0x150 [ 31.587591][ T833] ret_from_fork+0x474/0x6b0 [ 31.587593][ T833] ret_from_fork_asm+0x11/0x20 [ 31.587594][ T833] [ 31.587594][ T833] -> (console_owner){....}-{0:0} { [ 31.587596][ T833] INITIAL USE at: [ 31.587597][ T833] } [ 31.587597][ T833] ... key at: [] console_owner_dep_map+0x0/0x60 [ 31.587601][ T833] ... acquired at: [ 31.587601][ T833] check_prev_add+0xef/0xe90 [ 31.587602][ T833] validate_chain+0x6b8/0xc20 [ 31.587604][ T833] __lock_acquire+0x518/0xc20 [ 31.587605][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587606][ T833] console_lock_spinning_enable+0x5c/0x60 [ 31.587608][ T833] console_emit_next_record+0x1d1/0x4c0 [ 31.587609][ T833] console_flush_one_record+0x46f/0x710 [ 31.587611][ T833] console_unlock+0xee/0x1f0 [ 31.587612][ T833] vprintk_emit+0x37c/0x3e0 [ 31.587614][ T833] _printk+0xc7/0x100 [ 31.587615][ T833] netdev_info+0xe2/0x116 [ 31.587617][ T833] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 31.587621][ T833] ovpn_peer_remove+0x394/0x640 [ovpn] [ 31.587623][ T833] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 31.587625][ T833] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 31.587627][ T833] genl_family_rcv_msg_doit+0x206/0x300 [ 31.587629][ T833] genl_family_rcv_msg+0x3a4/0x640 [ 31.587630][ T833] genl_rcv_msg+0xbb/0x160 [ 31.587632][ T833] netlink_rcv_skb+0x14e/0x3a0 [ 31.587633][ T833] genl_rcv+0x28/0x40 [ 31.587635][ T833] netlink_unicast+0x486/0x750 [ 31.587636][ T833] netlink_sendmsg+0x735/0xc60 [ 31.587638][ T833] ____sys_sendmsg+0x415/0x880 [ 31.587639][ T833] ___sys_sendmsg+0x14e/0x1d0 [ 31.587641][ T833] __sys_sendmsg+0x12c/0x1d0 [ 31.587642][ T833] do_syscall_64+0xff/0x530 [ 31.587644][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.587645][ T833] [ 31.587645][ T833] [ 31.587645][ T833] stack backtrace: [ 31.587647][ T833] CPU: 0 UID: 0 PID: 833 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.587651][ T833] Tainted: [W]=WARN [ 31.587652][ T833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.587653][ T833] Call Trace: [ 31.587655][ T833] [ 31.587656][ T833] dump_stack_lvl+0x6f/0xa0 [ 31.587660][ T833] print_bad_irq_dependency+0x3e4/0x410 [ 31.587662][ T833] check_irq_usage+0x403/0x570 [ 31.587664][ T833] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 31.587668][ T833] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.587671][ T833] ? check_path.constprop.0+0x24/0x50 [ 31.587674][ T833] ? check_prev_add+0xef/0xe90 [ 31.587675][ T833] check_prev_add+0xef/0xe90 [ 31.587677][ T833] validate_chain+0x6b8/0xc20 [ 31.587679][ T833] __lock_acquire+0x518/0xc20 [ 31.587681][ T833] lock_acquire.part.0+0xd4/0x280 [ 31.587683][ T833] ? console_lock_spinning_enable+0x40/0x60 [ 31.587685][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587687][ T833] ? lock_acquire+0x13c/0x160 [ 31.587689][ T833] console_lock_spinning_enable+0x5c/0x60 [ 31.587691][ T833] ? console_lock_spinning_enable+0x40/0x60 [ 31.587699][ T833] console_emit_next_record+0x1d1/0x4c0 [ 31.587701][ T833] ? devkmsg_read+0x4b0/0x4b0 [ 31.587703][ T833] ? console_flush_one_record+0x106/0x710 [ 31.587705][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587707][ T833] ? lock_acquire+0x13c/0x160 [ 31.587709][ T833] console_flush_one_record+0x46f/0x710 [ 31.587711][ T833] ? console_emit_next_record+0x4c0/0x4c0 [ 31.587713][ T833] ? __lock_acquire+0x518/0xc20 [ 31.587715][ T833] console_unlock+0xee/0x1f0 [ 31.587717][ T833] ? console_flush_one_record+0x710/0x710 [ 31.587718][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587720][ T833] ? lock_acquire+0x60/0x160 [ 31.587722][ T833] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.587724][ T833] ? vprintk_emit+0x320/0x3e0 [ 31.587726][ T833] vprintk_emit+0x37c/0x3e0 [ 31.587728][ T833] ? wake_up_klogd_work_func+0x90/0x90 [ 31.587729][ T833] ? kernel_text_address+0x149/0x170 [ 31.587731][ T833] ? __kernel_text_address+0x12/0x30 [ 31.587733][ T833] ? write_profile+0xf0/0xf0 [ 31.587735][ T833] ? unwind_get_return_address+0x67/0xd0 [ 31.587738][ T833] _printk+0xc7/0x100 [ 31.587740][ T833] ? snapshot_read.cold+0x21/0x21 [ 31.587742][ T833] ? mark_usage+0x61/0x170 [ 31.587743][ T833] ? netdev_name+0x43/0x60 [ 31.587744][ T833] ? __netdev_printk+0x17f/0x1d0 [ 31.587746][ T833] netdev_info+0xe2/0x116 [ 31.587747][ T833] ? netdev_notice+0x120/0x120 [ 31.587749][ T833] ? find_held_lock+0x2b/0x80 [ 31.587750][ T833] ? mark_usage+0x61/0x170 [ 31.587752][ T833] ? __lock_acquire+0x518/0xc20 [ 31.587754][ T833] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 31.587757][ T833] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 31.587760][ T833] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 31.587763][ T833] ovpn_peer_remove+0x394/0x640 [ovpn] [ 31.587765][ T833] ? do_raw_spin_lock+0x131/0x280 [ 31.587768][ T833] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 31.587771][ T833] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 31.587773][ T833] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 31.587777][ T833] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 31.587779][ T833] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 31.587780][ T833] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 31.587783][ T833] ? ref_tracker_alloc+0x28d/0x430 [ 31.587788][ T833] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 31.587791][ T833] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 31.587794][ T833] genl_family_rcv_msg_doit+0x206/0x300 [ 31.587796][ T833] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 31.587798][ T833] ? __lock_release.isra.0+0x69/0x1a0 [ 31.587801][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587802][ T833] ? cap_capable+0x1d7/0x3d0 [ 31.587806][ T833] ? write_profile+0xf0/0xf0 [ 31.587807][ T833] ? unwind_get_return_address+0x67/0xd0 [ 31.587809][ T833] genl_family_rcv_msg+0x3a4/0x640 [ 31.587811][ T833] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 31.587813][ T833] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.587814][ T833] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 31.587817][ T833] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 31.587819][ T833] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 31.587821][ T833] ? __lock_acquire+0x518/0xc20 [ 31.587824][ T833] genl_rcv_msg+0xbb/0x160 [ 31.587826][ T833] netlink_rcv_skb+0x14e/0x3a0 [ 31.587828][ T833] ? genl_family_rcv_msg+0x640/0x640 [ 31.587830][ T833] ? netlink_ack+0xcf0/0xcf0 [ 31.587833][ T833] ? netlink_deliver_tap+0xc5/0x330 [ 31.587834][ T833] ? netlink_deliver_tap+0x13c/0x330 [ 31.587836][ T833] genl_rcv+0x28/0x40 [ 31.587838][ T833] netlink_unicast+0x486/0x750 [ 31.587840][ T833] ? netlink_attachskb+0x810/0x810 [ 31.587842][ T833] ? __lock_acquire+0x518/0xc20 [ 31.587844][ T833] netlink_sendmsg+0x735/0xc60 [ 31.587847][ T833] ? netlink_unicast+0x750/0x750 [ 31.587849][ T833] ? __might_fault+0x97/0x140 [ 31.587852][ T833] ____sys_sendmsg+0x415/0x880 [ 31.587854][ T833] ? copy_msghdr_from_user+0x279/0x420 [ 31.587855][ T833] ? get_timestamp.constprop.0+0x390/0x390 [ 31.587857][ T833] ? move_addr_to_kernel+0x40/0x40 [ 31.587860][ T833] ___sys_sendmsg+0x14e/0x1d0 [ 31.587862][ T833] ? copy_msghdr_from_user+0x420/0x420 [ 31.587864][ T833] ? kfree+0x22/0x590 [ 31.587868][ T833] __sys_sendmsg+0x12c/0x1d0 [ 31.587870][ T833] ? __sys_sendmsg_sock+0x20/0x20 [ 31.587873][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587875][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587877][ T833] do_syscall_64+0xff/0x530 [ 31.587879][ T833] ? exc_page_fault+0xee/0x100 [ 31.587880][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.587882][ T833] RIP: 0033:0x7f17a587054e [ 31.587884][ T833] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 31.587888][ T833] RSP: 002b:00007fffb921b360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.587891][ T833] RAX: ffffffffffffffda RBX: 000000000ab99130 RCX: 00007f17a587054e [ 31.587892][ T833] RDX: 0000000000000000 RSI: 00007fffb921b400 RDI: 0000000000000005 [ 31.587893][ T833] RBP: 00007fffb921b370 R08: 0000000000000000 R09: 0000000000000000 [ 31.587894][ T833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000ab99200 [ 31.587895][ T833] R13: 00007fffb921b400 R14: 000000000ab9a260 R15: 000000000040bda8 [ 31.587897][ T833] [ 31.587901][ T833] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 31.587902][ T833] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 833, name: ovpn-cli [ 31.587904][ T833] preempt_count: 202, expected: 0 [ 31.587905][ T833] RCU nest depth: 0, expected: 0 [ 31.587906][ T833] INFO: lockdep is turned off. [ 31.587906][ T833] irq event stamp: 35471 [ 31.587907][ T833] hardirqs last enabled at (35470): [] __down_trylock_console_sem+0x86/0xa0 [ 31.587909][ T833] hardirqs last disabled at (35471): [] console_emit_next_record+0x3d4/0x4c0 [ 31.587911][ T833] softirqs last enabled at (35438): [] __alloc_skb+0x4c2/0x5f0 [ 31.587914][ T833] softirqs last disabled at (35466): [] ovpn_peer_del+0xa0/0x590 [ovpn] [ 31.587917][ T833] Preemption disabled at: [ 31.587918][ T833] [<0000000000000000>] 0x0 [ 31.587920][ T833] CPU: 0 UID: 0 PID: 833 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 31.587922][ T833] Tainted: [W]=WARN [ 31.587922][ T833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.587923][ T833] Call Trace: [ 31.587923][ T833] [ 31.587924][ T833] dump_stack_lvl+0x6f/0xa0 [ 31.587926][ T833] __might_resched.cold+0x1fe/0x2c1 [ 31.587929][ T833] ? check_irq_usage+0x403/0x570 [ 31.587931][ T833] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 31.587934][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587936][ T833] __kmalloc_noprof+0x443/0x760 [ 31.587938][ T833] ? __rwlock_init+0x150/0x150 [ 31.587939][ T833] ? alloc_buf.isra.0+0x4b/0x260 [ 31.587941][ T833] ? do_raw_spin_unlock+0x59/0x250 [ 31.587943][ T833] alloc_buf.isra.0+0x4b/0x260 [ 31.587945][ T833] put_chars+0x1e1/0x2f0 [ 31.587947][ T833] ? __send_to_port+0x420/0x420 [ 31.587948][ T833] ? check_prev_add+0xef/0xe90 [ 31.587950][ T833] ? validate_chain+0x6b8/0xc20 [ 31.587952][ T833] hvc_console_print+0x292/0x780 [ 31.587954][ T833] ? __lock_acquire+0x518/0xc20 [ 31.587956][ T833] ? hvc_write+0x3a0/0x3a0 [ 31.587958][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587960][ T833] ? lock_acquire+0x13c/0x160 [ 31.587961][ T833] console_emit_next_record+0x22f/0x4c0 [ 31.587964][ T833] ? devkmsg_read+0x4b0/0x4b0 [ 31.587965][ T833] ? console_flush_one_record+0x106/0x710 [ 31.587967][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587969][ T833] ? lock_acquire+0x13c/0x160 [ 31.587971][ T833] console_flush_one_record+0x46f/0x710 [ 31.587973][ T833] ? console_emit_next_record+0x4c0/0x4c0 [ 31.587975][ T833] ? __lock_acquire+0x518/0xc20 [ 31.587977][ T833] console_unlock+0xee/0x1f0 [ 31.587979][ T833] ? console_flush_one_record+0x710/0x710 [ 31.587981][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.587982][ T833] ? lock_acquire+0x60/0x160 [ 31.587984][ T833] ? __down_trylock_console_sem+0x5e/0xa0 [ 31.587986][ T833] ? vprintk_emit+0x320/0x3e0 [ 31.587988][ T833] vprintk_emit+0x37c/0x3e0 [ 31.587990][ T833] ? wake_up_klogd_work_func+0x90/0x90 [ 31.587991][ T833] ? kernel_text_address+0x149/0x170 [ 31.587993][ T833] ? __kernel_text_address+0x12/0x30 [ 31.587994][ T833] ? write_profile+0xf0/0xf0 [ 31.587995][ T833] ? unwind_get_return_address+0x67/0xd0 [ 31.587997][ T833] _printk+0xc7/0x100 [ 31.587999][ T833] ? snapshot_read.cold+0x21/0x21 [ 31.588001][ T833] ? mark_usage+0x61/0x170 [ 31.588002][ T833] ? netdev_name+0x43/0x60 [ 31.588003][ T833] ? __netdev_printk+0x17f/0x1d0 [ 31.588005][ T833] netdev_info+0xe2/0x116 [ 31.588006][ T833] ? netdev_notice+0x120/0x120 [ 31.588008][ T833] ? find_held_lock+0x2b/0x80 [ 31.588009][ T833] ? mark_usage+0x61/0x170 [ 31.588011][ T833] ? __lock_acquire+0x518/0xc20 [ 31.588013][ T833] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 31.588016][ T833] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 31.588019][ T833] ? ovpn_peer_get_by_id+0x1fd/0x7a0 [ovpn] [ 31.588022][ T833] ovpn_peer_remove+0x394/0x640 [ovpn] [ 31.588024][ T833] ? do_raw_spin_lock+0x131/0x280 [ 31.588026][ T833] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 31.588029][ T833] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 31.588032][ T833] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 31.588035][ T833] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 31.588037][ T833] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 31.588039][ T833] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 31.588041][ T833] ? ref_tracker_alloc+0x28d/0x430 [ 31.588044][ T833] ? ovpn_get_dev_from_attrs+0x170/0x660 [ovpn] [ 31.588047][ T833] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 31.588049][ T833] genl_family_rcv_msg_doit+0x206/0x300 [ 31.588052][ T833] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 31.588054][ T833] ? __lock_release.isra.0+0x69/0x1a0 [ 31.588056][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.588058][ T833] ? cap_capable+0x1d7/0x3d0 [ 31.588060][ T833] ? write_profile+0xf0/0xf0 [ 31.588061][ T833] ? unwind_get_return_address+0x67/0xd0 [ 31.588062][ T833] genl_family_rcv_msg+0x3a4/0x640 [ 31.588065][ T833] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 31.588067][ T833] ? rcu_read_lock_any_held+0x3c/0x90 [ 31.588068][ T833] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 31.588073][ T833] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 31.588075][ T833] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 31.588077][ T833] ? __lock_acquire+0x518/0xc20 [ 31.588080][ T833] genl_rcv_msg+0xbb/0x160 [ 31.588082][ T833] netlink_rcv_skb+0x14e/0x3a0 [ 31.588084][ T833] ? genl_family_rcv_msg+0x640/0x640 [ 31.588086][ T833] ? netlink_ack+0xcf0/0xcf0 [ 31.588089][ T833] ? netlink_deliver_tap+0xc5/0x330 [ 31.588090][ T833] ? netlink_deliver_tap+0x13c/0x330 [ 31.588092][ T833] genl_rcv+0x28/0x40 [ 31.588094][ T833] netlink_unicast+0x486/0x750 [ 31.588096][ T833] ? netlink_attachskb+0x810/0x810 [ 31.588098][ T833] ? __lock_acquire+0x518/0xc20 [ 31.588100][ T833] netlink_sendmsg+0x735/0xc60 [ 31.588103][ T833] ? netlink_unicast+0x750/0x750 [ 31.588105][ T833] ? __might_fault+0x97/0x140 [ 31.588107][ T833] ____sys_sendmsg+0x415/0x880 [ 31.588108][ T833] ? copy_msghdr_from_user+0x279/0x420 [ 31.588110][ T833] ? get_timestamp.constprop.0+0x390/0x390 [ 31.588112][ T833] ? move_addr_to_kernel+0x40/0x40 [ 31.588115][ T833] ___sys_sendmsg+0x14e/0x1d0 [ 31.588116][ T833] ? copy_msghdr_from_user+0x420/0x420 [ 31.588118][ T833] ? kfree+0x22/0x590 [ 31.588123][ T833] __sys_sendmsg+0x12c/0x1d0 [ 31.588125][ T833] ? __sys_sendmsg_sock+0x20/0x20 [ 31.588127][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.588129][ T833] ? rcu_is_watching+0x16/0xd0 [ 31.588131][ T833] do_syscall_64+0xff/0x530 [ 31.588133][ T833] ? exc_page_fault+0xee/0x100 [ 31.588134][ T833] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 31.588135][ T833] RIP: 0033:0x7f17a587054e [ 31.588136][ T833] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 31.588138][ T833] RSP: 002b:00007fffb921b360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.588139][ T833] RAX: ffffffffffffffda RBX: 000000000ab99130 RCX: 00007f17a587054e [ 31.588140][ T833] RDX: 0000000000000000 RSI: 00007fffb921b400 RDI: 0000000000000005 [ 31.588140][ T833] RBP: 00007fffb921b370 R08: 0000000000000000 R09: 0000000000000000 [ 31.588141][ T833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000ab99200 [ 31.588142][ T833] R13: 00007fffb921b400 R14: 000000000ab9a260 R15: 000000000040bda8 [ 31.588144][ T833] [ 31.742046][ T837] tun1: deleting peer with id 1, reason 1 [ 34.308466][ T885] tun0: deleting peer with id 2, reason 1 [ 34.308483][ T885] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 34.308485][ T885] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 885, name: ovpn-cli [ 34.308487][ T885] preempt_count: 202, expected: 0 [ 34.308488][ T885] RCU nest depth: 0, expected: 0 [ 34.308489][ T885] INFO: lockdep is turned off. [ 34.308490][ T885] irq event stamp: 0 [ 34.308491][ T885] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.308495][ T885] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 34.308501][ T885] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 34.308503][ T885] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.308505][ T885] Preemption disabled at: [ 34.308506][ T885] [<0000000000000000>] 0x0 [ 34.308510][ T885] CPU: 2 UID: 0 PID: 885 Comm: ovpn-cli Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 34.308514][ T885] Tainted: [W]=WARN [ 34.308515][ T885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.308517][ T885] Call Trace: [ 34.308519][ T885] [ 34.308520][ T885] dump_stack_lvl+0x6f/0xa0 [ 34.308526][ T885] __might_resched.cold+0x1fe/0x2c1 [ 34.308530][ T885] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 34.308534][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308539][ T885] __kmalloc_noprof+0x443/0x760 [ 34.308542][ T885] ? __rwlock_init+0x150/0x150 [ 34.308545][ T885] ? alloc_buf.isra.0+0x4b/0x260 [ 34.308549][ T885] ? do_raw_spin_unlock+0x59/0x250 [ 34.308551][ T885] alloc_buf.isra.0+0x4b/0x260 [ 34.308553][ T885] put_chars+0x1e1/0x2f0 [ 34.308556][ T885] ? __send_to_port+0x420/0x420 [ 34.308557][ T885] ? printk_get_next_message+0x240/0x650 [ 34.308561][ T885] hvc_console_print+0x292/0x780 [ 34.308565][ T885] ? hvc_write+0x3a0/0x3a0 [ 34.308566][ T885] ? __rwlock_init+0x150/0x150 [ 34.308568][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308570][ T885] ? lock_acquire+0x13c/0x160 [ 34.308572][ T885] console_emit_next_record+0x22f/0x4c0 [ 34.308575][ T885] ? devkmsg_read+0x4b0/0x4b0 [ 34.308577][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308579][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308580][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308582][ T885] ? lock_acquire+0x13c/0x160 [ 34.308584][ T885] ? console_flush_one_record+0x111/0x710 [ 34.308586][ T885] console_flush_one_record+0x46f/0x710 [ 34.308588][ T885] ? console_emit_next_record+0x4c0/0x4c0 [ 34.308591][ T885] console_unlock+0xee/0x1f0 [ 34.308593][ T885] ? lock_acquire+0x13c/0x160 [ 34.308594][ T885] ? console_flush_one_record+0x710/0x710 [ 34.308596][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308598][ T885] ? lock_release+0x184/0x1f0 [ 34.308599][ T885] ? lock_acquire+0x60/0x160 [ 34.308601][ T885] ? __rcu_read_lock+0x30/0x70 [ 34.308603][ T885] ? __down_trylock_console_sem+0x5e/0xa0 [ 34.308605][ T885] ? vprintk_emit+0x320/0x3e0 [ 34.308607][ T885] vprintk_emit+0x37c/0x3e0 [ 34.308610][ T885] ? wake_up_klogd_work_func+0x90/0x90 [ 34.308612][ T885] ? kernel_text_address+0x149/0x170 [ 34.308614][ T885] ? __kernel_text_address+0x12/0x30 [ 34.308615][ T885] ? write_profile+0xf0/0xf0 [ 34.308618][ T885] ? unwind_get_return_address+0x67/0xd0 [ 34.308621][ T885] _printk+0xc7/0x100 [ 34.308624][ T885] ? snapshot_read.cold+0x21/0x21 [ 34.308626][ T885] ? netdev_name+0x43/0x60 [ 34.308629][ T885] ? __netdev_printk+0x17f/0x1d0 [ 34.308631][ T885] netdev_info+0xe2/0x116 [ 34.308632][ T885] ? netdev_notice+0x120/0x120 [ 34.308634][ T885] ? ovpn_nl_pre_doit+0x44/0x90 [ovpn] [ 34.308640][ T885] ? __module_address+0x36/0x330 [ 34.308643][ T885] ? lock_acquire+0x13c/0x160 [ 34.308645][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308646][ T885] ? lock_release+0x184/0x1f0 [ 34.308648][ T885] ? ovpn_peer_get_by_id+0x38a/0x7a0 [ovpn] [ 34.308652][ T885] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 34.308656][ T885] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 34.308658][ T885] ? lock_acquire+0x13c/0x160 [ 34.308660][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308662][ T885] ? lock_release+0x184/0x1f0 [ 34.308664][ T885] ovpn_peer_remove+0x394/0x640 [ovpn] [ 34.308667][ T885] ? do_raw_spin_lock+0x131/0x280 [ 34.308669][ T885] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 34.308672][ T885] ovpn_peer_del+0x1e5/0x590 [ovpn] [ 34.308675][ T885] ? ovpn_peer_add+0x330/0x330 [ovpn] [ 34.308679][ T885] ovpn_nl_peer_del_doit+0x25c/0x6c0 [ovpn] [ 34.308681][ T885] ? trace_hardirqs_on+0x36/0x40 [ 34.308684][ T885] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 34.308686][ T885] ? ref_tracker_alloc+0x28d/0x430 [ 34.308692][ T885] ? lock_release+0x184/0x1f0 [ 34.308694][ T885] ? ovpn_get_dev_from_attrs+0x17a/0x660 [ovpn] [ 34.308697][ T885] genl_family_rcv_msg_doit+0x206/0x300 [ 34.308702][ T885] ? genl_family_rcv_msg_attrs_parse.isra.0+0x330/0x330 [ 34.308704][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308714][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308716][ T885] ? cap_capable+0x1d7/0x3d0 [ 34.308719][ T885] ? write_profile+0xf0/0xf0 [ 34.308721][ T885] ? unwind_get_return_address+0x67/0xd0 [ 34.308722][ T885] genl_family_rcv_msg+0x3a4/0x640 [ 34.308725][ T885] ? genl_family_rcv_msg_dumpit+0x340/0x340 [ 34.308727][ T885] ? ovpn_nl_send_peer+0x1300/0x1300 [ovpn] [ 34.308729][ T885] ? ovpn_nl_peer_get_dumpit+0xa40/0xa40 [ovpn] [ 34.308732][ T885] ? ovpn_nl_pre_doit+0x90/0x90 [ovpn] [ 34.308734][ T885] ? filter_irq_stacks+0xd0/0xd0 [ 34.308736][ T885] ? stack_depot_save_flags+0x1bc/0x790 [ 34.308738][ T885] genl_rcv_msg+0xbb/0x160 [ 34.308741][ T885] netlink_rcv_skb+0x14e/0x3a0 [ 34.308743][ T885] ? genl_family_rcv_msg+0x640/0x640 [ 34.308745][ T885] ? netlink_ack+0xcf0/0xcf0 [ 34.308748][ T885] ? lock_acquire+0x13c/0x160 [ 34.308749][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308751][ T885] ? lock_release+0x184/0x1f0 [ 34.308753][ T885] genl_rcv+0x28/0x40 [ 34.308755][ T885] netlink_unicast+0x486/0x750 [ 34.308757][ T885] ? netlink_attachskb+0x810/0x810 [ 34.308759][ T885] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 34.308760][ T885] ? trace_hardirqs_on+0x36/0x40 [ 34.308761][ T885] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 34.308765][ T885] netlink_sendmsg+0x735/0xc60 [ 34.308768][ T885] ? netlink_unicast+0x750/0x750 [ 34.308770][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308772][ T885] ? lock_release+0x184/0x1f0 [ 34.308774][ T885] ____sys_sendmsg+0x415/0x880 [ 34.308777][ T885] ? copy_msghdr_from_user+0x279/0x420 [ 34.308779][ T885] ? get_timestamp.constprop.0+0x390/0x390 [ 34.308781][ T885] ? move_addr_to_kernel+0x40/0x40 [ 34.308784][ T885] ___sys_sendmsg+0x14e/0x1d0 [ 34.308785][ T885] ? copy_msghdr_from_user+0x420/0x420 [ 34.308787][ T885] ? kfree+0x22/0x590 [ 34.308792][ T885] __sys_sendmsg+0x12c/0x1d0 [ 34.308794][ T885] ? __sys_sendmsg_sock+0x20/0x20 [ 34.308797][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308799][ T885] ? rcu_is_watching+0x16/0xd0 [ 34.308801][ T885] do_syscall_64+0xff/0x530 [ 34.308804][ T885] ? exc_page_fault+0xee/0x100 [ 34.308806][ T885] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.308808][ T885] RIP: 0033:0x7fec0e00654e [ 34.308810][ T885] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 34.308813][ T885] RSP: 002b:00007fff0b15e2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.308817][ T885] RAX: ffffffffffffffda RBX: 000000003a107130 RCX: 00007fec0e00654e [ 34.308818][ T885] RDX: 0000000000000000 RSI: 00007fff0b15e380 RDI: 0000000000000005 [ 34.308819][ T885] RBP: 00007fff0b15e2f0 R08: 0000000000000000 R09: 0000000000000000 [ 34.308820][ T885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003a107200 [ 34.308821][ T885] R13: 00007fff0b15e380 R14: 000000003a108260 R15: 000000000040bda8 [ 34.308823][ T885] [ 34.400890][ T889] tun2: deleting peer with id 2, reason 1 [ 40.069093][ T76] tun0: deleting peer with id 4, reason 2 [ 40.069113][ T76] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 40.069116][ T76] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 76, name: kworker/3:1 [ 40.069118][ T76] preempt_count: 202, expected: 0 [ 40.069119][ T76] RCU nest depth: 0, expected: 0 [ 40.069119][ T76] INFO: lockdep is turned off. [ 40.069121][ T76] irq event stamp: 25662 [ 40.069121][ T76] hardirqs last enabled at (25661): [] _raw_spin_unlock_irq+0x28/0x50 [ 40.069130][ T76] hardirqs last disabled at (25662): [] __schedule+0x1246/0x20e0 [ 40.069133][ T76] softirqs last enabled at (18364): [] unlock_ovpn+0x1e/0x110 [ovpn] [ 40.069141][ T76] softirqs last disabled at (18358): [] ovpn_peer_keepalive_work+0xcc/0x580 [ovpn] [ 40.069144][ T76] Preemption disabled at: [ 40.069145][ T76] [<0000000000000000>] 0x0 [ 40.069151][ T76] CPU: 3 UID: 0 PID: 76 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 40.069155][ T76] Tainted: [W]=WARN [ 40.069156][ T76] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.069158][ T76] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.069164][ T76] Call Trace: [ 40.069166][ T76] [ 40.069167][ T76] dump_stack_lvl+0x6f/0xa0 [ 40.069173][ T76] __might_resched.cold+0x1fe/0x2c1 [ 40.069177][ T76] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 40.069182][ T76] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 40.069184][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069188][ T76] __kmalloc_noprof+0x443/0x760 [ 40.069192][ T76] ? __rwlock_init+0x150/0x150 [ 40.069194][ T76] ? alloc_buf.isra.0+0x4b/0x260 [ 40.069199][ T76] ? do_raw_spin_unlock+0x59/0x250 [ 40.069201][ T76] alloc_buf.isra.0+0x4b/0x260 [ 40.069203][ T76] put_chars+0x1e1/0x2f0 [ 40.069205][ T76] ? prb_final_commit+0x50/0x50 [ 40.069206][ T76] ? __send_to_port+0x420/0x420 [ 40.069208][ T76] ? printk_get_next_message+0x240/0x650 [ 40.069211][ T76] hvc_console_print+0x292/0x780 [ 40.069215][ T76] ? hvc_write+0x3a0/0x3a0 [ 40.069216][ T76] ? do_raw_spin_lock+0x131/0x280 [ 40.069218][ T76] ? vsnprintf+0x527/0x1700 [ 40.069220][ T76] ? __rwlock_init+0x150/0x150 [ 40.069221][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069223][ T76] ? lock_acquire+0x13c/0x160 [ 40.069225][ T76] console_emit_next_record+0x22f/0x4c0 [ 40.069228][ T76] ? devkmsg_read+0x4b0/0x4b0 [ 40.069230][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069232][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069233][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069235][ T76] ? lock_acquire+0x13c/0x160 [ 40.069237][ T76] ? console_flush_one_record+0x111/0x710 [ 40.069238][ T76] console_flush_one_record+0x46f/0x710 [ 40.069241][ T76] ? console_emit_next_record+0x4c0/0x4c0 [ 40.069243][ T76] console_unlock+0xee/0x1f0 [ 40.069245][ T76] ? lock_acquire+0x13c/0x160 [ 40.069246][ T76] ? console_flush_one_record+0x710/0x710 [ 40.069248][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069249][ T76] ? lock_release+0x184/0x1f0 [ 40.069251][ T76] ? lock_acquire+0x60/0x160 [ 40.069252][ T76] ? __rcu_read_lock+0x30/0x70 [ 40.069254][ T76] ? __down_trylock_console_sem+0x5e/0xa0 [ 40.069256][ T76] ? vprintk_emit+0x320/0x3e0 [ 40.069258][ T76] vprintk_emit+0x37c/0x3e0 [ 40.069260][ T76] ? wake_up_klogd_work_func+0x90/0x90 [ 40.069262][ T76] ? arch_stack_walk+0xd7/0x130 [ 40.069266][ T76] _printk+0xc7/0x100 [ 40.069269][ T76] ? snapshot_read.cold+0x21/0x21 [ 40.069270][ T76] ? stack_trace_save+0x93/0xc0 [ 40.069273][ T76] ? filter_irq_stacks+0xd0/0xd0 [ 40.069274][ T76] ? netdev_name+0x43/0x60 [ 40.069277][ T76] ? __netdev_printk+0x17f/0x1d0 [ 40.069278][ T76] netdev_info+0xe2/0x116 [ 40.069280][ T76] ? netdev_notice+0x120/0x120 [ 40.069281][ T76] ? kasan_save_track+0x14/0x30 [ 40.069285][ T76] ? kmem_cache_free+0xf8/0x550 [ 40.069286][ T76] ? free_object_list.isra.0+0x1b6/0x310 [ 40.069290][ T76] ? kthread+0x367/0x460 [ 40.069292][ T76] ? ret_from_fork+0x474/0x6b0 [ 40.069294][ T76] ? ret_from_fork_asm+0x11/0x20 [ 40.069296][ T76] ? trace_irq_enable.constprop.0+0x30/0x160 [ 40.069299][ T76] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 40.069303][ T76] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 40.069306][ T76] ? __rwlock_init+0x150/0x150 [ 40.069307][ T76] ? lock_acquire+0x13c/0x160 [ 40.069309][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069311][ T76] ovpn_peer_remove+0x394/0x640 [ovpn] [ 40.069314][ T76] ? do_raw_spin_lock+0x131/0x280 [ 40.069316][ T76] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 40.069318][ T76] ? __rwlock_init+0x150/0x150 [ 40.069319][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069321][ T76] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.069322][ T76] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 40.069324][ T76] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 40.069327][ T76] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 40.069329][ T76] ? __rwlock_init+0x150/0x150 [ 40.069331][ T76] ovpn_peer_keepalive_work+0x253/0x580 [ovpn] [ 40.069334][ T76] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 40.069337][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069339][ T76] ? lock_acquire+0x13c/0x160 [ 40.069340][ T76] ? rcu_is_watching+0x16/0xd0 [ 40.069342][ T76] process_one_work+0xe3e/0x1560 [ 40.069346][ T76] ? __queue_delayed_work+0x470/0x470 [ 40.069348][ T76] ? find_held_lock+0x2b/0x80 [ 40.069350][ T76] ? __rwlock_init+0x150/0x150 [ 40.069352][ T76] worker_thread+0x4f1/0xd60 [ 40.069355][ T76] ? rescuer_thread+0x1340/0x1340 [ 40.069356][ T76] ? __kthread_parkme+0xbd/0x210 [ 40.069358][ T76] ? rescuer_thread+0x1340/0x1340 [ 40.069360][ T76] ? rescuer_thread+0x1340/0x1340 [ 40.069361][ T76] kthread+0x367/0x460 [ 40.069363][ T76] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 40.069364][ T76] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.069366][ T76] ret_from_fork+0x474/0x6b0 [ 40.069367][ T76] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 40.069369][ T76] ? __switch_to+0x5a3/0xe00 [ 40.069371][ T76] ? kthread_affine_preferred+0x4c0/0x4c0 [ 40.069373][ T76] ret_from_fork_asm+0x11/0x20 [ 40.069376][ T76] [ 40.091835][ T76] tun0: deleting peer with id 3, reason 2 [ 40.092008][ T76] tun0: deleting peer with id 5, reason 2 [ 40.092174][ T76] tun0: deleting peer with id 6, reason 2 [ 45.188121][ T76] tun3: deleting peer with id 3, reason 2 [ 45.188141][ T76] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 45.188144][ T76] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 76, name: kworker/3:1 [ 45.188146][ T76] preempt_count: 202, expected: 0 [ 45.188147][ T76] RCU nest depth: 0, expected: 0 [ 45.188148][ T76] INFO: lockdep is turned off. [ 45.188149][ T76] irq event stamp: 25662 [ 45.188150][ T76] hardirqs last enabled at (25661): [] _raw_spin_unlock_irq+0x28/0x50 [ 45.188158][ T76] hardirqs last disabled at (25662): [] __schedule+0x1246/0x20e0 [ 45.188161][ T76] softirqs last enabled at (18364): [] unlock_ovpn+0x1e/0x110 [ovpn] [ 45.188167][ T76] softirqs last disabled at (18358): [] ovpn_peer_keepalive_work+0xcc/0x580 [ovpn] [ 45.188171][ T76] Preemption disabled at: [ 45.188172][ T76] [<0000000000000000>] 0x0 [ 45.188179][ T76] CPU: 3 UID: 0 PID: 76 Comm: kworker/3:1 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 45.188183][ T76] Tainted: [W]=WARN [ 45.188184][ T76] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.188186][ T76] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.188191][ T76] Call Trace: [ 45.188193][ T76] [ 45.188195][ T76] dump_stack_lvl+0x6f/0xa0 [ 45.188201][ T76] __might_resched.cold+0x1fe/0x2c1 [ 45.188205][ T76] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 45.188209][ T76] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 45.188212][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188216][ T76] __kmalloc_noprof+0x443/0x760 [ 45.188220][ T76] ? __rwlock_init+0x150/0x150 [ 45.188222][ T76] ? alloc_buf.isra.0+0x4b/0x260 [ 45.188227][ T76] ? do_raw_spin_unlock+0x59/0x250 [ 45.188228][ T76] alloc_buf.isra.0+0x4b/0x260 [ 45.188230][ T76] put_chars+0x1e1/0x2f0 [ 45.188232][ T76] ? prb_final_commit+0x50/0x50 [ 45.188234][ T76] ? __send_to_port+0x420/0x420 [ 45.188236][ T76] ? printk_get_next_message+0x240/0x650 [ 45.188239][ T76] hvc_console_print+0x292/0x780 [ 45.188243][ T76] ? hvc_write+0x3a0/0x3a0 [ 45.188244][ T76] ? do_raw_spin_lock+0x131/0x280 [ 45.188246][ T76] ? vsnprintf+0x527/0x1700 [ 45.188248][ T76] ? __rwlock_init+0x150/0x150 [ 45.188250][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188251][ T76] ? lock_acquire+0x13c/0x160 [ 45.188254][ T76] console_emit_next_record+0x22f/0x4c0 [ 45.188256][ T76] ? devkmsg_read+0x4b0/0x4b0 [ 45.188258][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188260][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188262][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188263][ T76] ? lock_acquire+0x13c/0x160 [ 45.188265][ T76] ? console_flush_one_record+0x111/0x710 [ 45.188267][ T76] console_flush_one_record+0x46f/0x710 [ 45.188269][ T76] ? console_emit_next_record+0x4c0/0x4c0 [ 45.188272][ T76] console_unlock+0xee/0x1f0 [ 45.188274][ T76] ? lock_acquire+0x13c/0x160 [ 45.188275][ T76] ? console_flush_one_record+0x710/0x710 [ 45.188277][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188279][ T76] ? lock_release+0x184/0x1f0 [ 45.188280][ T76] ? lock_acquire+0x60/0x160 [ 45.188282][ T76] ? __rcu_read_lock+0x30/0x70 [ 45.188284][ T76] ? __down_trylock_console_sem+0x5e/0xa0 [ 45.188285][ T76] ? vprintk_emit+0x320/0x3e0 [ 45.188288][ T76] vprintk_emit+0x37c/0x3e0 [ 45.188290][ T76] ? wake_up_klogd_work_func+0x90/0x90 [ 45.188292][ T76] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 45.188293][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188295][ T76] ? trace_sched_wakeup+0x9b/0x160 [ 45.188297][ T76] _printk+0xc7/0x100 [ 45.188300][ T76] ? snapshot_read.cold+0x21/0x21 [ 45.188302][ T76] ? try_to_wake_up+0x153/0x1130 [ 45.188304][ T76] ? select_fallback_rq+0x510/0x510 [ 45.188305][ T76] ? netdev_name+0x43/0x60 [ 45.188308][ T76] ? __netdev_printk+0x17f/0x1d0 [ 45.188310][ T76] netdev_info+0xe2/0x116 [ 45.188312][ T76] ? netdev_notice+0x120/0x120 [ 45.188313][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188316][ T76] ? __queue_work+0x3ab/0xd30 [ 45.188319][ T76] ? kthread+0x367/0x460 [ 45.188321][ T76] ? trace_irq_enable.constprop.0+0x30/0x160 [ 45.188324][ T76] ovpn_nl_peer_del_notify+0x115/0x503 [ovpn] [ 45.188328][ T76] ? ovpn_nl_key_new_doit.cold+0x24/0x24 [ovpn] [ 45.188331][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188332][ T76] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.188334][ T76] ovpn_peer_remove+0x394/0x640 [ovpn] [ 45.188337][ T76] ? do_raw_spin_lock+0x131/0x280 [ 45.188339][ T76] ? __ovpn_peer_hash_transp_addr+0x650/0x650 [ovpn] [ 45.188341][ T76] ? __rwlock_init+0x150/0x150 [ 45.188343][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188344][ T76] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.188345][ T76] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 45.188347][ T76] ovpn_peer_keepalive_work_single+0x416/0x600 [ovpn] [ 45.188350][ T76] ? ovpn_peers_release_mp+0x490/0x490 [ovpn] [ 45.188352][ T76] ? __rwlock_init+0x150/0x150 [ 45.188355][ T76] ovpn_peer_keepalive_work+0x389/0x580 [ovpn] [ 45.188358][ T76] ? ovpn_peers_free+0xb0/0xb0 [ovpn] [ 45.188360][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188362][ T76] ? lock_acquire+0x13c/0x160 [ 45.188364][ T76] ? rcu_is_watching+0x16/0xd0 [ 45.188366][ T76] ? process_one_work+0xdfc/0x1560 [ 45.188368][ T76] process_one_work+0xe3e/0x1560 [ 45.188371][ T76] ? __queue_delayed_work+0x470/0x470 [ 45.188373][ T76] ? find_held_lock+0x2b/0x80 [ 45.188375][ T76] ? __rwlock_init+0x150/0x150 [ 45.188377][ T76] worker_thread+0x4f1/0xd60 [ 45.188379][ T76] ? rescuer_thread+0x1340/0x1340 [ 45.188381][ T76] ? __kthread_parkme+0xbd/0x210 [ 45.188383][ T76] ? rescuer_thread+0x1340/0x1340 [ 45.188384][ T76] ? rescuer_thread+0x1340/0x1340 [ 45.188386][ T76] kthread+0x367/0x460 [ 45.188388][ T76] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 45.188389][ T76] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.188391][ T76] ret_from_fork+0x474/0x6b0 [ 45.188394][ T76] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 45.188395][ T76] ? __switch_to+0x5a3/0xe00 [ 45.188398][ T76] ? kthread_affine_preferred+0x4c0/0x4c0 [ 45.188400][ T76] ret_from_fork_asm+0x11/0x20 [ 45.188404][ T76] [ 45.252101][ T10] tun4: deleting peer with id 4, reason 2 [ 45.316097][ T76] tun5: deleting peer with id 5, reason 2 [ 45.380094][ T10] tun6: deleting peer with id 6, reason 2