====================================== | [ 29.043130][ T677] softirqs last disabled at (2550337): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.043132][ T677] Preemption disabled at: | [ 29.043133][ T677] 0x0 | [ 29.043144][ T677] Tainted: [W]=WARN [ 29.043145][ T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.043146][ T677] Call Trace: [ 29.043148][ T677] [ 29.043150][ T677] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.043156][ T677] __might_resched.cold (kernel/sched/core.c:9234) [ 29.043161][ T677] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.043165][ T677] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.043170][ T677] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.043173][ T677] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.043179][ T677] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.043181][ T677] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.043185][ T677] put_chars (drivers/char/virtio_console.c:1176) [ 29.043187][ T677] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 29.043190][ T677] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.043193][ T677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.043197][ T677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.043200][ T677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.043204][ T677] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.043207][ T677] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.043209][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.043211][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.043215][ T677] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.043217][ T677] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 29.043221][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.043223][ T677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.043227][ T677] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.043231][ T677] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.043233][ T677] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.043236][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.043239][ T677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.043243][ T677] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.043247][ T677] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.043249][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.043255][ T677] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.043257][ T677] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.043259][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.043262][ T677] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.043266][ T677] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.043267][ T677] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.043271][ T677] vprintk_emit (kernel/printk/printk.c:2479) [ 29.043275][ T677] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.043278][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.043282][ T677] _printk (kernel/printk/printk.c:2504) [ 29.043286][ T677] ? snapshot_read.cold (user.c:?) [ 29.043289][ T677] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 29.043291][ T677] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.043295][ T677] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 29.043298][ T677] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.043302][ T677] ? exit_notify (kernel/exit.c:780) [ 29.043307][ T677] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 29.043309][ T677] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 29.043312][ T677] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.043316][ T677] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.043319][ T677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.043321][ T677] RIP: 0033:0x7fc2d3f10c49 [ 29.043324][ T677] Code: Unable to access opcode bytes at 0x7fc2d3f10c1f. Code starting with the faulting instruction =========================================== [ 29.043325][ T677] RSP: 002b:00007fc2d36cfe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 29.043327][ T677] RAX: ffffffffffffffda RBX: 00007fc2d36d06c0 RCX: 00007fc2d3f10c49 [ 29.043329][ T677] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 29.043330][ T677] RBP: 00007fc2d36cff70 R08: 0000000000000001 R09: 00007fc2d36d06c0 [ 29.043331][ T677] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fc2d2ed0000 [ 29.043331][ T677] R13: 00007fff088d8000 R14: 0000000000000002 R15: 00007fff088d8107 | [ 30.898443][ T772] softirqs last disabled at (42754): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 30.898447][ T772] Preemption disabled at: | [ 30.898447][ T772] 0x0 | [ 30.898458][ T772] Tainted: [W]=WARN [ 30.898459][ T772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.898460][ T772] Call Trace: [ 30.898462][ T772] [ 30.898464][ T772] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.898470][ T772] __might_resched.cold (kernel/sched/core.c:9234) [ 30.898475][ T772] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.898479][ T772] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.898484][ T772] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.898487][ T772] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.898493][ T772] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.898496][ T772] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.898499][ T772] put_chars (drivers/char/virtio_console.c:1176) [ 30.898502][ T772] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.898504][ T772] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 30.898508][ T772] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 30.898512][ T772] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.898515][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.898517][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.898519][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.898523][ T772] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.898524][ T772] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.898529][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.898533][ T772] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.898537][ T772] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.898539][ T772] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 30.898542][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.898546][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.898550][ T772] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.898555][ T772] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.898556][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.898562][ T772] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.898565][ T772] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.898567][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.898569][ T772] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.898573][ T772] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.898575][ T772] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.898578][ T772] vprintk_emit (kernel/printk/printk.c:2479) [ 30.898582][ T772] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.898584][ T772] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.898587][ T772] ? __kernel_text_address (kernel/extable.c:79) [ 30.898588][ T772] ? write_profile (profile.c:?) [ 30.898591][ T772] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.898597][ T772] _printk (kernel/printk/printk.c:2504) [ 30.898600][ T772] ? snapshot_read.cold (user.c:?) [ 30.898604][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.898606][ T772] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.898609][ T772] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.898613][ T772] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.898615][ T772] ? netdev_notice (net/core/dev.c:13194) [ 30.898616][ T772] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.898619][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.898622][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.898628][ T772] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 30.898633][ T772] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 30.898637][ T772] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 30.898643][ T772] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 30.898646][ T772] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 30.898649][ T772] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 30.898656][ T772] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 30.898660][ T772] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 30.898666][ T772] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 30.898670][ T772] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.898674][ T772] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.898677][ T772] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 30.898688][ T772] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 30.898692][ T772] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 30.898698][ T772] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 30.898702][ T772] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 30.898704][ T772] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.898710][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.898712][ T772] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.898716][ T772] ? write_profile (profile.c:?) [ 30.898718][ T772] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.898721][ T772] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 30.898725][ T772] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 30.898728][ T772] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.898730][ T772] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 30.898733][ T772] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.898744][ T772] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 30.898750][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.898758][ T772] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 30.898762][ T772] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.898764][ T772] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 30.898768][ T772] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.898775][ T772] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 30.898777][ T772] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 30.898781][ T772] genl_rcv (net/netlink/genetlink.c:1218) [ 30.898784][ T772] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.898788][ T772] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.898791][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.898795][ T772] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.898799][ T772] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.898804][ T772] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.898809][ T772] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.898813][ T772] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.898816][ T772] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.898818][ T772] ? move_addr_to_kernel (net/socket.c:258) [ 30.898825][ T772] ___sys_sendmsg (net/socket.c:2767) [ 30.898828][ T772] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.898830][ T772] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 30.898846][ T772] __sys_sendmsg (net/socket.c:2799) [ 30.898849][ T772] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.898857][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.898860][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.898864][ T772] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.898867][ T772] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.898870][ T772] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.898872][ T772] RIP: 0033:0x7fa7324d454e [ 30.898875][ T772] 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 All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.898876][ T772] RSP: 002b:00007ffcc9017c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.898879][ T772] RAX: ffffffffffffffda RBX: 000000001dec6130 RCX: 00007fa7324d454e [ 30.898881][ T772] RDX: 0000000000000000 RSI: 00007ffcc9017d30 RDI: 0000000000000005 [ 30.898882][ T772] RBP: 00007ffcc9017ca0 R08: 0000000000000000 R09: 0000000000000000 [ 30.898882][ T772] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001dec6200 [ 30.898883][ T772] R13: 00007ffcc9017d30 R14: 000000001dec7260 R15: 000000000040bda8 | [ 33.975521][ T824] softirqs last disabled at (32066): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 33.975525][ T824] Preemption disabled at: | [ 33.975525][ T824] 0x0 | [ 33.975535][ T824] Tainted: [W]=WARN [ 33.975537][ T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.975538][ T824] Call Trace: [ 33.975540][ T824] [ 33.975541][ T824] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.975548][ T824] __might_resched.cold (kernel/sched/core.c:9234) [ 33.975553][ T824] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.975557][ T824] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.975562][ T824] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.975565][ T824] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.975571][ T824] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.975573][ T824] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.975577][ T824] put_chars (drivers/char/virtio_console.c:1176) [ 33.975580][ T824] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.975583][ T824] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.975588][ T824] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.975590][ T824] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.975594][ T824] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.975597][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.975599][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.975601][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.975605][ T824] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.975606][ T824] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.975611][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.975615][ T824] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.975619][ T824] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.975621][ T824] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 33.975624][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.975626][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.975630][ T824] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.975635][ T824] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.975637][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.975642][ T824] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.975645][ T824] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.975647][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.975649][ T824] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.975653][ T824] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.975655][ T824] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.975658][ T824] vprintk_emit (kernel/printk/printk.c:2479) [ 33.975662][ T824] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.975664][ T824] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.975667][ T824] ? __kernel_text_address (kernel/extable.c:79) [ 33.975669][ T824] ? write_profile (profile.c:?) [ 33.975671][ T824] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.975676][ T824] _printk (kernel/printk/printk.c:2504) [ 33.975680][ T824] ? snapshot_read.cold (user.c:?) [ 33.975684][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.975685][ T824] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.975689][ T824] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.975692][ T824] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.975695][ T824] ? netdev_notice (net/core/dev.c:13194) [ 33.975696][ T824] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.975699][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.975701][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.975707][ T824] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.975712][ T824] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.975716][ T824] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 33.975722][ T824] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.975726][ T824] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.975729][ T824] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.975736][ T824] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 33.975743][ T824] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 33.975759][ T824] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 33.975763][ T824] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 33.975768][ T824] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.975772][ T824] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 33.975788][ T824] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 33.975794][ T824] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 33.975803][ T824] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 33.975808][ T824] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 33.975810][ T824] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.975819][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.975822][ T824] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.975826][ T824] ? write_profile (profile.c:?) [ 33.975827][ T824] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.975831][ T824] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 33.975835][ T824] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 33.975837][ T824] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.975839][ T824] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 33.975842][ T824] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.975846][ T824] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 33.975849][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.975857][ T824] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 33.975861][ T824] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.975863][ T824] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 33.975866][ T824] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.975874][ T824] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 33.975876][ T824] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 33.975880][ T824] genl_rcv (net/netlink/genetlink.c:1218) [ 33.975882][ T824] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.975886][ T824] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.975889][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.975894][ T824] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.975898][ T824] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.975902][ T824] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 33.975908][ T824] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.975911][ T824] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.975914][ T824] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.975915][ T824] ? move_addr_to_kernel (net/socket.c:258) [ 33.975923][ T824] ___sys_sendmsg (net/socket.c:2767) [ 33.975926][ T824] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.975928][ T824] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 33.975944][ T824] __sys_sendmsg (net/socket.c:2799) [ 33.975947][ T824] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.975953][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.975955][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.975959][ T824] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.975962][ T824] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.975965][ T824] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.975967][ T824] RIP: 0033:0x7f6ca0d7054e [ 33.975969][ T824] 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 All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 33.975971][ T824] RSP: 002b:00007ffcc3be4b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.975974][ T824] RAX: ffffffffffffffda RBX: 0000000021114130 RCX: 00007f6ca0d7054e [ 33.975975][ T824] RDX: 0000000000000000 RSI: 00007ffcc3be4ba0 RDI: 0000000000000005 [ 33.975976][ T824] RBP: 00007ffcc3be4b10 R08: 0000000000000000 R09: 0000000000000000 [ 33.975977][ T824] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000021114200 [ 33.975978][ T824] R13: 00007ffcc3be4ba0 R14: 0000000021115260 R15: 000000000040bda8 | [ 39.180192][ T75] softirqs last disabled at (24036): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 39.180196][ T75] Preemption disabled at: | [ 39.180197][ T75] 0x0 | [ 39.180208][ T75] Tainted: [W]=WARN [ 39.180209][ T75] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.180211][ T75] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 39.180216][ T75] Call Trace: [ 39.180218][ T75] [ 39.180221][ T75] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.180227][ T75] __might_resched.cold (kernel/sched/core.c:9234) [ 39.180232][ T75] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.180236][ T75] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.180242][ T75] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.180245][ T75] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.180251][ T75] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.180254][ T75] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.180258][ T75] put_chars (drivers/char/virtio_console.c:1176) [ 39.180261][ T75] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.180266][ T75] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 39.180270][ T75] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.180273][ T75] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.180275][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.180277][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.180281][ T75] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.180284][ T75] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.180287][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.180291][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.180295][ T75] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.180299][ T75] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.180301][ T75] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 39.180305][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.180307][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.180311][ T75] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.180316][ T75] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.180318][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.180323][ T75] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.180326][ T75] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.180329][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.180331][ T75] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.180335][ T75] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.180337][ T75] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.180340][ T75] vprintk_emit (kernel/printk/printk.c:2479) [ 39.180344][ T75] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.180348][ T75] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.180350][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.180354][ T75] _printk (kernel/printk/printk.c:2504) [ 39.180357][ T75] ? snapshot_read.cold (user.c:?) [ 39.180361][ T75] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 39.180363][ T75] ? __mod_zone_page_state (mm/vmstat.c:371) [ 39.180367][ T75] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.180370][ T75] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.180374][ T75] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.180376][ T75] ? netdev_notice (net/core/dev.c:13194) [ 39.180377][ T75] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.180383][ T75] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.180386][ T75] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.180390][ T75] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.180396][ T75] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.180403][ T75] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.180407][ T75] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.180410][ T75] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.180413][ T75] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.180417][ T75] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 39.180422][ T75] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 39.180425][ T75] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.180430][ T75] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 39.180435][ T75] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.180438][ T75] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 39.180441][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.180443][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.180445][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.180450][ T75] process_one_work (kernel/workqueue.c:3387) [ 39.180457][ T75] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.180460][ T75] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.180468][ T75] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.180472][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.180475][ T75] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.180478][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.180481][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.180483][ T75] kthread (kernel/kthread.c:436) [ 39.180485][ T75] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.180488][ T75] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.180491][ T75] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.180496][ T75] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.180499][ T75] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.180502][ T75] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.180505][ T75] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.268187][ T75] softirqs last disabled at (25030): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 40.268191][ T75] Preemption disabled at: | [ 40.268191][ T75] 0x0 | [ 40.268201][ T75] Tainted: [W]=WARN [ 40.268202][ T75] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.268204][ T75] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 40.268209][ T75] Call Trace: [ 40.268211][ T75] [ 40.268214][ T75] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.268220][ T75] __might_resched.cold (kernel/sched/core.c:9234) [ 40.268225][ T75] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.268229][ T75] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.268235][ T75] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 40.268238][ T75] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.268244][ T75] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 40.268247][ T75] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.268250][ T75] put_chars (drivers/char/virtio_console.c:1176) [ 40.268253][ T75] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 40.268256][ T75] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.268259][ T75] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.268264][ T75] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.268266][ T75] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.268270][ T75] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.268274][ T75] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.268276][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.268277][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.268282][ T75] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.268284][ T75] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.268288][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.268290][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.268295][ T75] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.268299][ T75] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.268301][ T75] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 40.268305][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.268307][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.268312][ T75] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.268316][ T75] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.268318][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.268324][ T75] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.268327][ T75] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.268329][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.268332][ T75] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.268336][ T75] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.268338][ T75] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.268341][ T75] vprintk_emit (kernel/printk/printk.c:2479) [ 40.268345][ T75] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.268349][ T75] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.268351][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.268355][ T75] _printk (kernel/printk/printk.c:2504) [ 40.268359][ T75] ? snapshot_read.cold (user.c:?) [ 40.268362][ T75] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 40.268365][ T75] ? __mod_zone_page_state (mm/vmstat.c:371) [ 40.268369][ T75] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.268372][ T75] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.268376][ T75] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.268379][ T75] ? netdev_notice (net/core/dev.c:13194) [ 40.268380][ T75] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.268386][ T75] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.268389][ T75] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.268393][ T75] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 40.268399][ T75] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 40.268406][ T75] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 40.268410][ T75] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 40.268413][ T75] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.268416][ T75] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 40.268420][ T75] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 40.268425][ T75] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 40.268428][ T75] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.268434][ T75] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 40.268438][ T75] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 40.268441][ T75] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 40.268445][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.268447][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.268449][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.268454][ T75] process_one_work (kernel/workqueue.c:3387) [ 40.268461][ T75] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 40.268464][ T75] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.268472][ T75] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 40.268477][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.268479][ T75] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 40.268483][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.268486][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 40.268488][ T75] kthread (kernel/kthread.c:436) [ 40.268490][ T75] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 40.268493][ T75] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.268496][ T75] ret_from_fork (arch/x86/kernel/process.c:158) [ 40.268500][ T75] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 40.268504][ T75] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 40.268507][ T75] ? kthread_affine_preferred (kernel/kthread.c:857) [ 40.268510][ T75] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.324504][ T75] softirqs last disabled at (26074): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 45.324507][ T75] Preemption disabled at: | [ 45.324508][ T75] 0x0 | [ 45.324519][ T75] Tainted: [W]=WARN [ 45.324520][ T75] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.324522][ T75] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 45.324527][ T75] Call Trace: [ 45.324529][ T75] [ 45.324531][ T75] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.324538][ T75] __might_resched.cold (kernel/sched/core.c:9234) [ 45.324543][ T75] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.324547][ T75] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.324552][ T75] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.324555][ T75] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.324561][ T75] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.324564][ T75] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.324567][ T75] put_chars (drivers/char/virtio_console.c:1176) [ 45.324569][ T75] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 45.324572][ T75] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.324575][ T75] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.324580][ T75] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.324582][ T75] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.324586][ T75] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.324589][ T75] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.324591][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.324593][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.324597][ T75] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.324599][ T75] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 45.324602][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.324605][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.324609][ T75] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.324613][ T75] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.324615][ T75] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 45.324619][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.324621][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.324625][ T75] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.324630][ T75] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.324632][ T75] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.324637][ T75] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.324640][ T75] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.324642][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.324644][ T75] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.324648][ T75] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.324650][ T75] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.324654][ T75] vprintk_emit (kernel/printk/printk.c:2479) [ 45.324658][ T75] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.324661][ T75] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.324665][ T75] _printk (kernel/printk/printk.c:2504) [ 45.324669][ T75] ? snapshot_read.cold (user.c:?) [ 45.324671][ T75] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 45.324674][ T75] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 45.324676][ T75] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.324680][ T75] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.324683][ T75] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.324686][ T75] ? netdev_notice (net/core/dev.c:13194) [ 45.324691][ T75] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 45.324695][ T75] ? kthread (kernel/kthread.c:436) [ 45.324699][ T75] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 45.324705][ T75] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 45.324708][ T75] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 45.324711][ T75] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 45.324712][ T75] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 45.324717][ T75] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 45.324722][ T75] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 45.324725][ T75] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.324727][ T75] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 45.324731][ T75] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 45.324736][ T75] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 45.324741][ T75] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.324749][ T75] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 45.324754][ T75] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 45.324757][ T75] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 45.324760][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.324762][ T75] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.324764][ T75] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.324768][ T75] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 45.324770][ T75] process_one_work (kernel/workqueue.c:3387) [ 45.324777][ T75] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 45.324779][ T75] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.324787][ T75] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 45.324792][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.324794][ T75] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 45.324796][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.324799][ T75] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 45.324801][ T75] kthread (kernel/kthread.c:436) [ 45.324803][ T75] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 45.324806][ T75] ? kthread_affine_preferred (kernel/kthread.c:857) [ 45.324809][ T75] ret_from_fork (arch/x86/kernel/process.c:158) [ 45.324813][ T75] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 45.324816][ T75] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 45.324820][ T75] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_keepalive_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print