====================================== | [ 32.500368][ T663] softirqs last disabled at (6604718): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 32.500371][ T663] Preemption disabled at: | [ 32.500372][ T663] 0x0 | [ 32.500386][ T663] Tainted: [W]=WARN [ 32.500388][ T663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.500390][ T663] Call Trace: [ 32.500392][ T663] [ 32.500394][ T663] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.500402][ T663] __might_resched.cold (kernel/sched/core.c:9234) [ 32.500408][ T663] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.500414][ T663] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.500421][ T663] __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)) [ 32.500424][ T663] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.500433][ T663] ? 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) [ 32.500437][ T663] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.500442][ T663] put_chars (drivers/char/virtio_console.c:1176) [ 32.500445][ T663] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.500456][ T663] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.500461][ T663] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.500466][ T663] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.500470][ T663] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.500476][ T663] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.500480][ T663] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.500483][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.500485][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.500492][ T663] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.500496][ T663] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 32.500501][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.500504][ T663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.500511][ T663] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.500517][ T663] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.500519][ T663] ? 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)) [ 32.500524][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.500528][ T663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.500534][ T663] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.500541][ T663] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.500544][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.500557][ T663] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.500561][ T663] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.500564][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.500568][ T663] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.500575][ T663] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.500577][ T663] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.500584][ T663] vprintk_emit (kernel/printk/printk.c:2479) [ 32.500590][ T663] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.500596][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.500602][ T663] _printk (kernel/printk/printk.c:2504) [ 32.500607][ T663] ? snapshot_read.cold (user.c:?) [ 32.500612][ T663] ? 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) [ 32.500616][ T663] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.500622][ T663] ? 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) [ 32.500627][ T663] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 32.500632][ T663] ? exit_notify (kernel/exit.c:780) [ 32.500641][ T663] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 32.500644][ T663] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 32.500648][ T663] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.500652][ T663] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.500657][ T663] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.500660][ T663] RIP: 0033:0x7fee4e703c49 [ 32.500663][ T663] Code: Unable to access opcode bytes at 0x7fee4e703c1f. Code starting with the faulting instruction =========================================== [ 32.500665][ T663] RSP: 002b:00007fee4dec2e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.500668][ T663] RAX: ffffffffffffffda RBX: 00007fee4dec36c0 RCX: 00007fee4e703c49 [ 32.500670][ T663] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.500671][ T663] RBP: 00007fee4dec2f70 R08: 0000000000000001 R09: 00007fee4dec36c0 [ 32.500672][ T663] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fee4d6c3000 [ 32.500674][ T663] R13: 00007ffd9bc2da90 R14: 0000000000000002 R15: 00007ffd9bc2db97 | [ 34.771062][ T757] softirqs last disabled at (46332): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 34.771068][ T757] Preemption disabled at: | [ 34.771069][ T757] 0x0 | [ 34.771084][ T757] Tainted: [W]=WARN [ 34.771085][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.771088][ T757] Call Trace: [ 34.771090][ T757] [ 34.771093][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.771101][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 34.771107][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.771113][ T757] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.771121][ T757] __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)) [ 34.771124][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.771134][ T757] ? 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) [ 34.771137][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.771143][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 34.771148][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.771150][ T757] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 34.771158][ T757] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.771164][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.771168][ T757] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.771171][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.771174][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.771181][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.771183][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.771191][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.771198][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.771205][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.771207][ T757] ? 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)) [ 34.771213][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.771218][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.771225][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.771232][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.771235][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.771245][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.771249][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.771252][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.771256][ T757] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.771263][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.771265][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.771271][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 34.771277][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.771280][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.771284][ T757] ? __kernel_text_address (kernel/extable.c:79) [ 34.771287][ T757] ? write_profile (profile.c:?) [ 34.771290][ T757] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.771298][ T757] _printk (kernel/printk/printk.c:2504) [ 34.771303][ T757] ? snapshot_read.cold (user.c:?) [ 34.771311][ T757] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.771313][ T757] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.771318][ T757] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.771324][ T757] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.771328][ T757] ? netdev_notice (net/core/dev.c:13194) [ 34.771330][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.771334][ T757] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.771339][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.771350][ T757] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 34.771359][ T757] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 34.771367][ T757] ? 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 [ 34.771377][ T757] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 34.771383][ T757] ? 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) [ 34.771387][ T757] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 34.771400][ T757] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 34.771407][ T757] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 34.771419][ T757] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 34.771424][ T757] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 34.771430][ T757] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.771434][ T757] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 34.771453][ T757] ? 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 [ 34.771461][ T757] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 34.771479][ T757] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 34.771486][ T757] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 34.771490][ T757] ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527) [ 34.771501][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.771505][ T757] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 34.771514][ T757] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 34.771521][ T757] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 34.771525][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.771528][ T757] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 34.771533][ T757] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.771537][ T757] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 34.771543][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.771556][ T757] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 34.771562][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.771565][ T757] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 34.771571][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.771584][ T757] ? 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)) [ 34.771587][ T757] ? 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)) [ 34.771594][ T757] genl_rcv (net/netlink/genetlink.c:1218) [ 34.771597][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.771604][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.771609][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.771617][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.771624][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.771631][ T757] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.771640][ T757] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.771645][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.771649][ T757] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.771652][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 34.771666][ T757] ___sys_sendmsg (net/socket.c:2767) [ 34.771671][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.771674][ T757] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 34.771704][ T757] __sys_sendmsg (net/socket.c:2799) [ 34.771709][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.771719][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.771723][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.771730][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.771734][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.771738][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.771742][ T757] RIP: 0033:0x7fc4234ed54e [ 34.771747][ T757] 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 [ 34.771749][ T757] RSP: 002b:00007ffe64246610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.771754][ T757] RAX: ffffffffffffffda RBX: 000000000d554130 RCX: 00007fc4234ed54e [ 34.771756][ T757] RDX: 0000000000000000 RSI: 00007ffe642466b0 RDI: 0000000000000005 [ 34.771758][ T757] RBP: 00007ffe64246620 R08: 0000000000000000 R09: 0000000000000000 [ 34.771759][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000d554200 [ 34.771761][ T757] R13: 00007ffe642466b0 R14: 000000000d555260 R15: 000000000040bda8 | [ 38.141214][ T809] softirqs last disabled at (24174): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 38.141217][ T809] Preemption disabled at: | [ 38.141218][ T809] 0x0 | [ 38.141229][ T809] Tainted: [W]=WARN [ 38.141230][ T809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.141232][ T809] Call Trace: [ 38.141234][ T809] [ 38.141235][ T809] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.141242][ T809] __might_resched.cold (kernel/sched/core.c:9234) [ 38.141246][ T809] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.141250][ T809] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.141255][ T809] __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)) [ 38.141258][ T809] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.141264][ T809] ? 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) [ 38.141267][ T809] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.141270][ T809] put_chars (drivers/char/virtio_console.c:1176) [ 38.141273][ T809] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.141276][ T809] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.141281][ T809] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.141284][ T809] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.141288][ T809] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.141291][ T809] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.141293][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.141294][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.141298][ T809] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.141300][ T809] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.141304][ T809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.141308][ T809] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.141312][ T809] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.141314][ T809] ? 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)) [ 38.141317][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.141320][ T809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.141324][ T809] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.141328][ T809] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.141330][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.141335][ T809] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.141338][ T809] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.141340][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.141342][ T809] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.141346][ T809] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.141348][ T809] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.141351][ T809] vprintk_emit (kernel/printk/printk.c:2479) [ 38.141355][ T809] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.141357][ T809] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.141360][ T809] ? __kernel_text_address (kernel/extable.c:79) [ 38.141362][ T809] ? write_profile (profile.c:?) [ 38.141364][ T809] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 38.141369][ T809] _printk (kernel/printk/printk.c:2504) [ 38.141373][ T809] ? snapshot_read.cold (user.c:?) [ 38.141377][ T809] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.141379][ T809] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.141382][ T809] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.141386][ T809] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.141388][ T809] ? netdev_notice (net/core/dev.c:13194) [ 38.141390][ T809] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.141392][ T809] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.141395][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.141401][ T809] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.141406][ T809] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.141410][ T809] ? 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 [ 38.141416][ T809] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.141419][ T809] ? 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) [ 38.141422][ T809] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.141428][ T809] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 38.141433][ T809] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 38.141439][ T809] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 38.141442][ T809] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 38.141446][ T809] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 38.141449][ T809] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 38.141460][ T809] ? 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 [ 38.141465][ T809] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 38.141470][ T809] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 38.141474][ T809] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 38.141476][ T809] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.141482][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.141484][ T809] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 38.141488][ T809] ? write_profile (profile.c:?) [ 38.141490][ T809] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 38.141502][ T809] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 38.141506][ T809] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 38.141508][ T809] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.141510][ T809] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 38.141513][ T809] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 38.141516][ T809] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 38.141519][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.141524][ T809] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 38.141528][ T809] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.141530][ T809] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 38.141534][ T809] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.141541][ T809] ? 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)) [ 38.141543][ T809] ? 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)) [ 38.141547][ T809] genl_rcv (net/netlink/genetlink.c:1218) [ 38.141549][ T809] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.141556][ T809] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.141559][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.141563][ T809] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.141568][ T809] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.141572][ T809] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 38.141578][ T809] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 38.141582][ T809] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.141584][ T809] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 38.141586][ T809] ? move_addr_to_kernel (net/socket.c:258) [ 38.141594][ T809] ___sys_sendmsg (net/socket.c:2767) [ 38.141597][ T809] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.141598][ T809] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 38.141614][ T809] __sys_sendmsg (net/socket.c:2799) [ 38.141617][ T809] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.141623][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.141626][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.141630][ T809] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.141633][ T809] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.141635][ T809] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.141638][ T809] RIP: 0033:0x7f484f7f954e [ 38.141640][ T809] 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 [ 38.141642][ T809] RSP: 002b:00007ffee307bcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.141645][ T809] RAX: ffffffffffffffda RBX: 000000003abb4130 RCX: 00007f484f7f954e [ 38.141646][ T809] RDX: 0000000000000000 RSI: 00007ffee307bd50 RDI: 0000000000000005 [ 38.141647][ T809] RBP: 00007ffee307bcc0 R08: 0000000000000000 R09: 0000000000000000 [ 38.141648][ T809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003abb4200 [ 38.141649][ T809] R13: 00007ffee307bd50 R14: 000000003abb5260 R15: 000000000040bda8 | [ 43.587058][ T10] softirqs last disabled at (28352): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.587064][ T10] Preemption disabled at: | [ 43.587064][ T10] 0x0 | [ 43.587079][ T10] Tainted: [W]=WARN [ 43.587080][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.587083][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.587089][ T10] Call Trace: [ 43.587092][ T10] [ 43.587094][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.587102][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 43.587108][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.587114][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.587121][ T10] __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)) [ 43.587126][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.587135][ T10] ? 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) [ 43.587138][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.587144][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 43.587148][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.587155][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 43.587161][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.587165][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.587168][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.587170][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.587177][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.587180][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 43.587185][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.587191][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.587197][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.587203][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.587205][ T10] ? 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)) [ 43.587210][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.587213][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.587220][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.587227][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.587229][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.587238][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.587242][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.587245][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.587248][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.587254][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.587257][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.587263][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 43.587269][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.587274][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.587277][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.587283][ T10] _printk (kernel/printk/printk.c:2504) [ 43.587288][ T10] ? snapshot_read.cold (user.c:?) [ 43.587293][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 43.587297][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 43.587302][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.587306][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.587312][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.587316][ T10] ? netdev_notice (net/core/dev.c:13194) [ 43.587318][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.587324][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.587329][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.587334][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.587340][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.587349][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.587362][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.587369][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.587374][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.587377][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.587385][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.587392][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.587397][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.587407][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 43.587415][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.587419][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.587425][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.587428][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.587431][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.587438][ T10] process_one_work (kernel/workqueue.c:3387) [ 43.587449][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.587453][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.587466][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.587473][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.587476][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.587481][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.587485][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.587488][ T10] kthread (kernel/kthread.c:436) [ 43.587491][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.587495][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.587499][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.587505][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.587510][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.587514][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.587518][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.674704][ T10] softirqs last disabled at (29092): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 44.674708][ T10] Preemption disabled at: | [ 44.674708][ T10] 0x0 | [ 44.674719][ T10] Tainted: [W]=WARN [ 44.674720][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.674722][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.674726][ T10] Call Trace: [ 44.674728][ T10] [ 44.674730][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.674736][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 44.674741][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.674745][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.674750][ T10] __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)) [ 44.674753][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.674759][ T10] ? 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) [ 44.674762][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.674768][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 44.674771][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.674775][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.674778][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.674783][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.674785][ T10] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.674789][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.674792][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.674795][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.674796][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.674800][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.674802][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 44.674806][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.674808][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.674812][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.674817][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.674819][ T10] ? 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)) [ 44.674825][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.674830][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.674834][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.674839][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.674841][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.674846][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.674849][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.674851][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.674853][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.674857][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.674859][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.674862][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 44.674866][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.674869][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.674871][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.674876][ T10] _printk (kernel/printk/printk.c:2504) [ 44.674882][ T10] ? snapshot_read.cold (user.c:?) [ 44.674886][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 44.674889][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 44.674892][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.674895][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.674899][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.674901][ T10] ? netdev_notice (net/core/dev.c:13194) [ 44.674902][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.674908][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.674911][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.674915][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.674920][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.674927][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.674931][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.674935][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.674939][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.674946][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.674950][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.674953][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.674958][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 44.674963][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.674966][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.674969][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.674971][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.674973][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.674977][ T10] process_one_work (kernel/workqueue.c:3387) [ 44.674985][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.674988][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.675001][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.675005][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.675008][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.675011][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.675014][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.675016][ T10] kthread (kernel/kthread.c:436) [ 44.675019][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.675022][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.675025][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.675029][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.675032][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.675035][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.675038][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.860197][ T76] softirqs last disabled at (23384): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 49.860201][ T76] Preemption disabled at: | [ 49.860202][ T76] 0x0 | [ 49.860213][ T76] Tainted: [W]=WARN [ 49.860214][ T76] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.860216][ T76] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 49.860221][ T76] Call Trace: [ 49.860222][ T76] [ 49.860225][ T76] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.860231][ T76] __might_resched.cold (kernel/sched/core.c:9234) [ 49.860236][ T76] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.860240][ T76] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.860244][ T76] __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)) [ 49.860247][ T76] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.860253][ T76] ? 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) [ 49.860255][ T76] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.860259][ T76] put_chars (drivers/char/virtio_console.c:1176) [ 49.860261][ T76] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 49.860263][ T76] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.860267][ T76] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.860271][ T76] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.860273][ T76] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.860277][ T76] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.860280][ T76] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.860282][ T76] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.860284][ T76] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.860288][ T76] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.860290][ T76] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 49.860293][ T76] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.860296][ T76] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.860300][ T76] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.860304][ T76] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.860306][ T76] ? 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)) [ 49.860309][ T76] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.860311][ T76] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.860315][ T76] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.860319][ T76] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.860321][ T76] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.860326][ T76] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.860329][ T76] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.860331][ T76] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.860333][ T76] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 49.860337][ T76] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.860338][ T76] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.860342][ T76] vprintk_emit (kernel/printk/printk.c:2479) [ 49.860346][ T76] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.860349][ T76] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.860353][ T76] _printk (kernel/printk/printk.c:2504) [ 49.860356][ T76] ? snapshot_read.cold (user.c:?) [ 49.860358][ T76] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 49.860361][ T76] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 49.860364][ T76] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.860367][ T76] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.860370][ T76] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.860373][ T76] ? netdev_notice (net/core/dev.c:13194) [ 49.860377][ T76] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 49.860383][ T76] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 49.860389][ T76] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 49.860392][ T76] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.860394][ T76] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 49.860396][ T76] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.860401][ T76] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 49.860405][ T76] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 49.860408][ T76] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.860410][ T76] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.860414][ T76] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 49.860419][ T76] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 49.860422][ T76] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.860427][ T76] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 49.860431][ T76] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.860434][ T76] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 49.860437][ T76] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.860439][ T76] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.860441][ T76] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.860445][ T76] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.860446][ T76] process_one_work (kernel/workqueue.c:3387) [ 49.860453][ T76] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.860456][ T76] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.860464][ T76] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.860468][ T76] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.860470][ T76] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.860473][ T76] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.860476][ T76] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.860478][ T76] kthread (kernel/kthread.c:436) [ 49.860480][ T76] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.860483][ T76] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.860486][ T76] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.860490][ T76] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.860493][ T76] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.860496][ T76] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: fpu__clear_user_states: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