====================================== | [ 27.656527][ T679] softirqs last disabled at (2735013): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.656529][ T679] Preemption disabled at: | [ 27.656529][ T679] 0x0 | [ 27.656540][ T679] Tainted: [W]=WARN [ 27.656541][ T679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.656542][ T679] Call Trace: [ 27.656544][ T679] [ 27.656545][ T679] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.656551][ T679] __might_resched.cold (kernel/sched/core.c:9234) [ 27.656556][ T679] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.656560][ T679] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.656565][ T679] __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)) [ 27.656567][ T679] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.656573][ T679] ? 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) [ 27.656575][ T679] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.656579][ T679] put_chars (drivers/char/virtio_console.c:1176) [ 27.656581][ T679] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 27.656583][ T679] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.656586][ T679] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.656590][ T679] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.656592][ T679] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.656596][ T679] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.656599][ T679] ? mark_usage (kernel/locking/lockdep.c:4690) [ 27.656601][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.656602][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.656606][ T679] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.656608][ T679] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 27.656611][ T679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.656613][ T679] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.656617][ T679] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.656621][ T679] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.656623][ T679] ? 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)) [ 27.656626][ T679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.656628][ T679] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.656632][ T679] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.656636][ T679] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.656638][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.656642][ T679] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.656645][ T679] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.656647][ T679] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.656649][ T679] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.656653][ T679] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.656654][ T679] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.656657][ T679] vprintk_emit (kernel/printk/printk.c:2479) [ 27.656661][ T679] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.656664][ T679] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.656668][ T679] _printk (kernel/printk/printk.c:2504) [ 27.656671][ T679] ? snapshot_read.cold (user.c:?) [ 27.656674][ T679] ? 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) [ 27.656676][ T679] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.656680][ T679] ? 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) [ 27.656682][ T679] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.656686][ T679] ? exit_notify (kernel/exit.c:780) [ 27.656691][ T679] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 27.656693][ T679] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 27.656695][ T679] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.656699][ T679] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.656702][ T679] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.656704][ T679] RIP: 0033:0x7efdff251c49 [ 27.656706][ T679] Code: Unable to access opcode bytes at 0x7efdff251c1f. Code starting with the faulting instruction =========================================== [ 27.656707][ T679] RSP: 002b:00007efdfea10e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 27.656709][ T679] RAX: ffffffffffffffda RBX: 00007efdfea116c0 RCX: 00007efdff251c49 [ 27.656711][ T679] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 27.656712][ T679] RBP: 00007efdfea10f70 R08: 0000000000000001 R09: 00007efdfea116c0 [ 27.656712][ T679] R10: 0000000000000008 R11: 0000000000000246 R12: 00007efdfe211000 [ 27.656713][ T679] R13: 00007ffee05b94a0 R14: 0000000000000002 R15: 00007ffee05b95a7 | [ 29.347952][ T773] softirqs last disabled at (40138): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 29.347955][ T773] Preemption disabled at: | [ 29.347956][ T773] 0x0 | [ 29.347967][ T773] Tainted: [W]=WARN [ 29.347967][ T773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.347969][ T773] Call Trace: [ 29.347971][ T773] [ 29.347972][ T773] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.347979][ T773] __might_resched.cold (kernel/sched/core.c:9234) [ 29.347983][ T773] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.347987][ T773] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.347992][ T773] __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)) [ 29.347995][ T773] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.348000][ T773] ? 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) [ 29.348003][ T773] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.348006][ T773] put_chars (drivers/char/virtio_console.c:1176) [ 29.348010][ T773] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.348011][ T773] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 29.348015][ T773] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 29.348019][ T773] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.348022][ T773] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.348024][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.348025][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.348030][ T773] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.348031][ T773] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.348035][ T773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.348039][ T773] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.348043][ T773] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.348044][ T773] ? 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)) [ 29.348048][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.348051][ T773] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.348055][ T773] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.348059][ T773] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.348061][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.348066][ T773] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.348069][ T773] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.348071][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.348073][ T773] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.348077][ T773] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.348078][ T773] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.348082][ T773] vprintk_emit (kernel/printk/printk.c:2479) [ 29.348085][ T773] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.348087][ T773] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.348090][ T773] ? __kernel_text_address (kernel/extable.c:79) [ 29.348091][ T773] ? write_profile (profile.c:?) [ 29.348094][ T773] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.348099][ T773] _printk (kernel/printk/printk.c:2504) [ 29.348102][ T773] ? snapshot_read.cold (user.c:?) [ 29.348108][ T773] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.348110][ T773] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.348113][ T773] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.348116][ T773] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.348118][ T773] ? netdev_notice (net/core/dev.c:13194) [ 29.348120][ T773] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.348123][ T773] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.348125][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.348131][ T773] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 29.348136][ T773] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 29.348139][ T773] ? 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 [ 29.348145][ T773] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 29.348148][ T773] ? 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) [ 29.348151][ T773] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 29.348157][ T773] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 29.348161][ T773] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 29.348167][ T773] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 29.348170][ T773] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 29.348174][ T773] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 29.348176][ T773] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 29.348187][ T773] ? 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 [ 29.348191][ T773] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 29.348197][ T773] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 29.348200][ T773] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 29.348202][ T773] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.348208][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.348210][ T773] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 29.348214][ T773] ? write_profile (profile.c:?) [ 29.348215][ T773] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.348218][ T773] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 29.348226][ T773] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 29.348228][ T773] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.348231][ T773] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 29.348233][ T773] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 29.348236][ T773] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 29.348239][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.348244][ T773] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 29.348248][ T773] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.348250][ T773] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 29.348253][ T773] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.348260][ T773] ? 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)) [ 29.348261][ T773] ? 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)) [ 29.348265][ T773] genl_rcv (net/netlink/genetlink.c:1218) [ 29.348268][ T773] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.348272][ T773] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.348275][ T773] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.348279][ T773] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.348283][ T773] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.348287][ T773] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 29.348292][ T773] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.348296][ T773] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.348298][ T773] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 29.348300][ T773] ? move_addr_to_kernel (net/socket.c:258) [ 29.348307][ T773] ___sys_sendmsg (net/socket.c:2767) [ 29.348310][ T773] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.348311][ T773] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 29.348326][ T773] __sys_sendmsg (net/socket.c:2799) [ 29.348329][ T773] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.348335][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.348337][ T773] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.348341][ T773] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.348344][ T773] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.348347][ T773] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.348349][ T773] RIP: 0033:0x7f61451ef54e [ 29.348351][ T773] 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 [ 29.348353][ T773] RSP: 002b:00007ffc30847620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.348355][ T773] RAX: ffffffffffffffda RBX: 000000001a86e130 RCX: 00007f61451ef54e [ 29.348357][ T773] RDX: 0000000000000000 RSI: 00007ffc308476c0 RDI: 0000000000000005 [ 29.348358][ T773] RBP: 00007ffc30847630 R08: 0000000000000000 R09: 0000000000000000 [ 29.348359][ T773] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001a86e200 [ 29.348359][ T773] R13: 00007ffc308476c0 R14: 000000001a86f260 R15: 000000000040bda8 | [ 32.321211][ T826] softirqs last disabled at (27118): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 32.321214][ T826] Preemption disabled at: | [ 32.321215][ T826] 0x0 | [ 32.321225][ T826] Tainted: [W]=WARN [ 32.321226][ T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.321228][ T826] Call Trace: [ 32.321229][ T826] [ 32.321231][ T826] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.321241][ T826] __might_resched.cold (kernel/sched/core.c:9234) [ 32.321246][ T826] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.321250][ T826] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.321255][ T826] __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)) [ 32.321257][ T826] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.321263][ T826] ? 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) [ 32.321265][ T826] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.321269][ T826] put_chars (drivers/char/virtio_console.c:1176) [ 32.321272][ T826] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.321275][ T826] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.321279][ T826] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.321281][ T826] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.321285][ T826] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.321287][ T826] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.321289][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.321291][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.321295][ T826] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.321296][ T826] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.321300][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.321304][ T826] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.321308][ T826] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.321310][ T826] ? 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)) [ 32.321313][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.321315][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.321319][ T826] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.321323][ T826] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.321325][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.321330][ T826] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.321332][ T826] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.321334][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.321336][ T826] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.321340][ T826] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.321342][ T826] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.321345][ T826] vprintk_emit (kernel/printk/printk.c:2479) [ 32.321349][ T826] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.321350][ T826] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.321353][ T826] ? __kernel_text_address (kernel/extable.c:79) [ 32.321355][ T826] ? write_profile (profile.c:?) [ 32.321357][ T826] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.321362][ T826] _printk (kernel/printk/printk.c:2504) [ 32.321365][ T826] ? snapshot_read.cold (user.c:?) [ 32.321369][ T826] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.321371][ T826] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.321374][ T826] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.321377][ T826] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.321379][ T826] ? netdev_notice (net/core/dev.c:13194) [ 32.321381][ T826] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.321383][ T826] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.321386][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.321391][ T826] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.321396][ T826] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.321400][ T826] ? 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 [ 32.321405][ T826] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.321409][ T826] ? 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) [ 32.321412][ T826] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.321418][ T826] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.321422][ T826] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.321428][ T826] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.321431][ T826] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 32.321435][ T826] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.321437][ T826] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.321447][ T826] ? 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 [ 32.321452][ T826] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.321458][ T826] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.321461][ T826] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.321463][ T826] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.321468][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.321471][ T826] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.321474][ T826] ? write_profile (profile.c:?) [ 32.321476][ T826] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.321479][ T826] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.321483][ T826] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.321485][ T826] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.321487][ T826] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.321489][ T826] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.321492][ T826] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.321495][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.321500][ T826] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.321504][ T826] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.321506][ T826] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.321509][ T826] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.321516][ T826] ? 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)) [ 32.321518][ T826] ? 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)) [ 32.321522][ T826] genl_rcv (net/netlink/genetlink.c:1218) [ 32.321524][ T826] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.321528][ T826] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.321530][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.321534][ T826] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.321538][ T826] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.321542][ T826] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.321547][ T826] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.321551][ T826] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.321554][ T826] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.321556][ T826] ? move_addr_to_kernel (net/socket.c:258) [ 32.321563][ T826] ___sys_sendmsg (net/socket.c:2767) [ 32.321565][ T826] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.321567][ T826] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.321582][ T826] __sys_sendmsg (net/socket.c:2799) [ 32.321585][ T826] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.321590][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.321593][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.321596][ T826] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.321599][ T826] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.321602][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.321604][ T826] RIP: 0033:0x7f5f7572654e [ 32.321606][ T826] 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 [ 32.321608][ T826] RSP: 002b:00007ffe2d16e390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.321611][ T826] RAX: ffffffffffffffda RBX: 000000002e62c130 RCX: 00007f5f7572654e [ 32.321612][ T826] RDX: 0000000000000000 RSI: 00007ffe2d16e430 RDI: 0000000000000005 [ 32.321613][ T826] RBP: 00007ffe2d16e3a0 R08: 0000000000000000 R09: 0000000000000000 [ 32.321614][ T826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002e62c200 [ 32.321615][ T826] R13: 00007ffe2d16e430 R14: 000000002e62d260 R15: 000000000040bda8 | [ 37.418410][ T68] softirqs last disabled at (22606): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 37.418413][ T68] Preemption disabled at: | [ 37.418414][ T68] 0x0 | [ 37.418424][ T68] Tainted: [W]=WARN [ 37.418425][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.418427][ T68] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 37.418431][ T68] Call Trace: [ 37.418433][ T68] [ 37.418434][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.418440][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 37.418445][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.418449][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.418454][ T68] __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)) [ 37.418456][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.418462][ T68] ? 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) [ 37.418464][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.418468][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 37.418471][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.418475][ T68] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 37.418479][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.418482][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.418484][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.418485][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.418489][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.418491][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 37.418495][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.418499][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.418502][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.418506][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.418508][ T68] ? 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)) [ 37.418511][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.418513][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.418517][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.418521][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.418523][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.418528][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.418531][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.418533][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.418535][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.418538][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.418540][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.418543][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 37.418547][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.418550][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.418552][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.418555][ T68] _printk (kernel/printk/printk.c:2504) [ 37.418559][ T68] ? snapshot_read.cold (user.c:?) [ 37.418562][ T68] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 37.418565][ T68] ? __mod_zone_page_state (mm/vmstat.c:371) [ 37.418568][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.418571][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.418574][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.418577][ T68] ? netdev_notice (net/core/dev.c:13194) [ 37.418578][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.418583][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.418586][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.418590][ T68] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 37.418595][ T68] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 37.418602][ T68] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 37.418606][ T68] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 37.418608][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.418611][ T68] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.418615][ T68] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 37.418619][ T68] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 37.418622][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.418627][ T68] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 37.418631][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 37.418634][ T68] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 37.418637][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.418639][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.418640][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.418644][ T68] process_one_work (kernel/workqueue.c:3387) [ 37.418651][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 37.418653][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.418661][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 37.418665][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 37.418667][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 37.418670][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 37.418673][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 37.418675][ T68] kthread (kernel/kthread.c:436) [ 37.418677][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 37.418680][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.418682][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 37.418686][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 37.418689][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 37.418692][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 37.418695][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 38.507178][ T68] softirqs last disabled at (23674): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 38.507181][ T68] Preemption disabled at: | [ 38.507182][ T68] 0x0 | [ 38.507190][ T68] Tainted: [W]=WARN [ 38.507191][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.507192][ T68] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.507196][ T68] Call Trace: [ 38.507198][ T68] [ 38.507200][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.507205][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 38.507209][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.507213][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.507217][ T68] __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)) [ 38.507220][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.507225][ T68] ? 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) [ 38.507227][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.507230][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 38.507231][ T68] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 38.507234][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.507237][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.507241][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.507243][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.507246][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.507249][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.507251][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.507252][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.507256][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.507258][ T68] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 38.507261][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.507264][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.507267][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.507271][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.507277][ T68] ? 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)) [ 38.507280][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.507283][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.507286][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.507291][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.507292][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.507297][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.507300][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.507302][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.507304][ T68] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.507308][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.507309][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.507312][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 38.507316][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.507319][ T68] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.507321][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.507324][ T68] _printk (kernel/printk/printk.c:2504) [ 38.507328][ T68] ? snapshot_read.cold (user.c:?) [ 38.507331][ T68] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 38.507333][ T68] ? __mod_zone_page_state (mm/vmstat.c:371) [ 38.507336][ T68] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.507338][ T68] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.507342][ T68] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.507344][ T68] ? netdev_notice (net/core/dev.c:13194) [ 38.507345][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.507350][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.507352][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.507356][ T68] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.507361][ T68] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.507367][ T68] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.507371][ T68] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.507374][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.507376][ T68] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.507380][ T68] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 38.507384][ T68] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 38.507387][ T68] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.507392][ T68] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 38.507396][ T68] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.507399][ T68] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 38.507402][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.507404][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.507406][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.507410][ T68] process_one_work (kernel/workqueue.c:3387) [ 38.507416][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.507419][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.507426][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.507430][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.507432][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.507435][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.507437][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.507439][ T68] kthread (kernel/kthread.c:436) [ 38.507441][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.507444][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.507447][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.507450][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.507453][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.507456][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.507459][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.562415][ T9] softirqs last disabled at (25964): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.562418][ T9] Preemption disabled at: | [ 43.562419][ T9] 0x0 | [ 43.562427][ T9] Tainted: [W]=WARN [ 43.562428][ T9] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.562430][ T9] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.562434][ T9] Call Trace: [ 43.562435][ T9] [ 43.562437][ T9] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.562442][ T9] __might_resched.cold (kernel/sched/core.c:9234) [ 43.562446][ T9] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.562450][ T9] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.562455][ T9] __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)) [ 43.562457][ T9] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.562462][ T9] ? 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) [ 43.562465][ T9] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.562468][ T9] put_chars (drivers/char/virtio_console.c:1176) [ 43.562470][ T9] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 43.562472][ T9] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.562475][ T9] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.562479][ T9] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.562481][ T9] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.562485][ T9] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.562488][ T9] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.562490][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.562491][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.562495][ T9] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.562497][ T9] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 43.562500][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.562503][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.562507][ T9] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.562510][ T9] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.562512][ T9] ? 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)) [ 43.562516][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.562518][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.562522][ T9] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.562526][ T9] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.562527][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.562532][ T9] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.562535][ T9] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.562537][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.562539][ T9] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.562543][ T9] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.562545][ T9] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.562548][ T9] vprintk_emit (kernel/printk/printk.c:2479) [ 43.562551][ T9] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.562554][ T9] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.562558][ T9] _printk (kernel/printk/printk.c:2504) [ 43.562562][ T9] ? snapshot_read.cold (user.c:?) [ 43.562563][ T9] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 43.562566][ T9] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 43.562568][ T9] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.562572][ T9] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.562575][ T9] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.562577][ T9] ? netdev_notice (net/core/dev.c:13194) [ 43.562582][ T9] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 43.562588][ T9] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.562593][ T9] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.562596][ T9] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.562598][ T9] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 43.562600][ T9] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 43.562605][ T9] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.562610][ T9] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.562612][ T9] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.562614][ T9] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.562619][ T9] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.562622][ T9] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.562625][ T9] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.562630][ T9] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 43.562634][ T9] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.562637][ T9] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.562640][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.562642][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.562644][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.562647][ T9] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.562649][ T9] process_one_work (kernel/workqueue.c:3387) [ 43.562655][ T9] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.562658][ T9] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.562665][ T9] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.562672][ T9] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.562674][ T9] kthread (kernel/kthread.c:436) [ 43.562677][ T9] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.562679][ T9] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.562682][ T9] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.562686][ T9] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.562689][ T9] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.562692][ T9] ? 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