====================================== | [ 28.540309][ T681] softirqs last disabled at (4958413): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 28.540312][ T681] Preemption disabled at: | [ 28.540312][ T681] 0x0 | [ 28.540322][ T681] Tainted: [W]=WARN [ 28.540323][ T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.540325][ T681] Call Trace: [ 28.540326][ T681] [ 28.540328][ T681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.540334][ T681] __might_resched.cold (kernel/sched/core.c:9234) [ 28.540339][ T681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.540343][ T681] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.540347][ T681] __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)) [ 28.540350][ T681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.540356][ T681] ? 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) [ 28.540358][ T681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.540361][ T681] put_chars (drivers/char/virtio_console.c:1176) [ 28.540364][ T681] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 28.540366][ T681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.540369][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.540373][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.540375][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.540379][ T681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.540382][ T681] ? mark_usage (kernel/locking/lockdep.c:4690) [ 28.540384][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.540385][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.540389][ T681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.540391][ T681] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 28.540394][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.540397][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.540400][ T681] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.540404][ T681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.540406][ T681] ? 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)) [ 28.540409][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.540411][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.540415][ T681] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.540419][ T681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.540421][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.540426][ T681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.540428][ T681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.540430][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.540433][ T681] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.540436][ T681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.540438][ T681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.540441][ T681] vprintk_emit (kernel/printk/printk.c:2479) [ 28.540444][ T681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.540448][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.540451][ T681] _printk (kernel/printk/printk.c:2504) [ 28.540455][ T681] ? snapshot_read.cold (user.c:?) [ 28.540457][ T681] ? 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) [ 28.540460][ T681] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.540464][ T681] ? 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) [ 28.540466][ T681] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 28.540470][ T681] ? exit_notify (kernel/exit.c:780) [ 28.540475][ T681] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 28.540477][ T681] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 28.540479][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.540483][ T681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.540486][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.540488][ T681] RIP: 0033:0x7fe07b33ac49 [ 28.540490][ T681] Code: Unable to access opcode bytes at 0x7fe07b33ac1f. Code starting with the faulting instruction =========================================== [ 28.540491][ T681] RSP: 002b:00007fe07aaf9e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 28.540493][ T681] RAX: ffffffffffffffda RBX: 00007fe07aafa6c0 RCX: 00007fe07b33ac49 [ 28.540495][ T681] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 28.540496][ T681] RBP: 00007fe07aaf9f70 R08: 0000000000000001 R09: 00007fe07aafa6c0 [ 28.540497][ T681] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fe07a2fa000 [ 28.540498][ T681] R13: 00007ffc5d6b02d0 R14: 0000000000000002 R15: 00007ffc5d6b03d7 | [ 30.453138][ T775] softirqs last disabled at (44036): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 30.453142][ T775] Preemption disabled at: | [ 30.453142][ T775] 0x0 | [ 30.453151][ T775] Tainted: [W]=WARN [ 30.453152][ T775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.453154][ T775] Call Trace: [ 30.453155][ T775] [ 30.453157][ T775] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.453163][ T775] __might_resched.cold (kernel/sched/core.c:9234) [ 30.453167][ T775] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.453171][ T775] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.453176][ T775] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.453179][ T775] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.453184][ T775] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.453187][ T775] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.453190][ T775] put_chars (drivers/char/virtio_console.c:1176) [ 30.453193][ T775] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.453195][ T775] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 30.453199][ T775] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 30.453202][ T775] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.453205][ T775] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.453207][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.453209][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.453213][ T775] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.453214][ T775] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.453218][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.453222][ T775] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.453225][ T775] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.453227][ T775] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 30.453230][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.453234][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.453238][ T775] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.453242][ T775] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.453244][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.453249][ T775] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.453251][ T775] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.453253][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.453255][ T775] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.453259][ T775] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.453260][ T775] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.453264][ T775] vprintk_emit (kernel/printk/printk.c:2479) [ 30.453267][ T775] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.453269][ T775] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.453272][ T775] ? __kernel_text_address (kernel/extable.c:79) [ 30.453273][ T775] ? write_profile (profile.c:?) [ 30.453275][ T775] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.453280][ T775] _printk (kernel/printk/printk.c:2504) [ 30.453284][ T775] ? snapshot_read.cold (user.c:?) [ 30.453287][ T775] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.453289][ T775] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.453292][ T775] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.453295][ T775] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.453297][ T775] ? netdev_notice (net/core/dev.c:13194) [ 30.453299][ T775] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.453301][ T775] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.453304][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.453310][ T775] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 30.453314][ T775] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 30.453318][ T775] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 30.453323][ T775] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 30.453327][ T775] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 30.453329][ T775] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 30.453336][ T775] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 30.453339][ T775] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 30.453345][ T775] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 30.453348][ T775] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.453352][ T775] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.453355][ T775] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 30.453365][ T775] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 30.453369][ T775] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 30.453375][ T775] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 30.453378][ T775] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 30.453380][ T775] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.453386][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.453388][ T775] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.453391][ T775] ? write_profile (profile.c:?) [ 30.453393][ T775] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.453396][ T775] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 30.453400][ T775] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 30.453402][ T775] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.453404][ T775] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 30.453407][ T775] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 30.453409][ T775] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 30.453412][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.453418][ T775] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 30.453421][ T775] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.453423][ T775] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 30.453426][ T775] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.453433][ T775] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 30.453435][ T775] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 30.453439][ T775] genl_rcv (net/netlink/genetlink.c:1218) [ 30.453441][ T775] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.453445][ T775] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.453448][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.453452][ T775] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.453456][ T775] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.453460][ T775] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.453465][ T775] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.453469][ T775] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.453471][ T775] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.453473][ T775] ? move_addr_to_kernel (net/socket.c:258) [ 30.453480][ T775] ___sys_sendmsg (net/socket.c:2767) [ 30.453483][ T775] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.453484][ T775] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 30.453499][ T775] __sys_sendmsg (net/socket.c:2799) [ 30.453502][ T775] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.453508][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.453510][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.453513][ T775] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.453516][ T775] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.453519][ T775] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.453521][ T775] RIP: 0033:0x7f3a97b4854e [ 30.453523][ T775] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.453525][ T775] RSP: 002b:00007ffdf28e6a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.453528][ T775] RAX: ffffffffffffffda RBX: 0000000035567130 RCX: 00007f3a97b4854e [ 30.453529][ T775] RDX: 0000000000000000 RSI: 00007ffdf28e6ae0 RDI: 0000000000000005 [ 30.453530][ T775] RBP: 00007ffdf28e6a50 R08: 0000000000000000 R09: 0000000000000000 [ 30.453530][ T775] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000035567200 [ 30.453531][ T775] R13: 00007ffdf28e6ae0 R14: 0000000035568260 R15: 000000000040bda8 | [ 33.461150][ T827] softirqs last disabled at (27452): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 33.461154][ T827] Preemption disabled at: | [ 33.461154][ T827] 0x0 | [ 33.461164][ T827] Tainted: [W]=WARN [ 33.461165][ T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.461167][ T827] Call Trace: [ 33.461169][ T827] [ 33.461170][ T827] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.461176][ T827] __might_resched.cold (kernel/sched/core.c:9234) [ 33.461181][ T827] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.461185][ T827] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.461190][ T827] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 33.461192][ T827] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.461198][ T827] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 33.461201][ T827] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.461204][ T827] put_chars (drivers/char/virtio_console.c:1176) [ 33.461207][ T827] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.461210][ T827] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.461214][ T827] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.461216][ T827] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.461220][ T827] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.461223][ T827] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.461225][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.461226][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.461230][ T827] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.461232][ T827] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.461236][ T827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.461240][ T827] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.461243][ T827] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.461245][ T827] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 33.461248][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.461251][ T827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.461255][ T827] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.461259][ T827] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.461260][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.461265][ T827] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.461268][ T827] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.461270][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.461272][ T827] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.461276][ T827] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.461277][ T827] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.461281][ T827] vprintk_emit (kernel/printk/printk.c:2479) [ 33.461284][ T827] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.461286][ T827] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.461289][ T827] ? __kernel_text_address (kernel/extable.c:79) [ 33.461291][ T827] ? write_profile (profile.c:?) [ 33.461293][ T827] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.461298][ T827] _printk (kernel/printk/printk.c:2504) [ 33.461301][ T827] ? snapshot_read.cold (user.c:?) [ 33.461305][ T827] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.461307][ T827] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.461310][ T827] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.461313][ T827] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.461316][ T827] ? netdev_notice (net/core/dev.c:13194) [ 33.461317][ T827] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.461320][ T827] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.461322][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.461328][ T827] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.461333][ T827] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.461337][ T827] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 33.461342][ T827] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.461346][ T827] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 33.461348][ T827] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.461355][ T827] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 33.461359][ T827] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 33.461365][ T827] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 33.461368][ T827] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 33.461371][ T827] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.461374][ T827] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 33.461384][ T827] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 33.461388][ T827] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 33.461394][ T827] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 33.461397][ T827] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 33.461399][ T827] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.461405][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.461407][ T827] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.461411][ T827] ? write_profile (profile.c:?) [ 33.461412][ T827] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.461416][ T827] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 33.461419][ T827] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 33.461422][ T827] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.461423][ T827] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 33.461426][ T827] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.461429][ T827] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 33.461432][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.461437][ T827] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 33.461440][ T827] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.461442][ T827] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 33.461446][ T827] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.461452][ T827] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 33.461454][ T827] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 33.461458][ T827] genl_rcv (net/netlink/genetlink.c:1218) [ 33.461460][ T827] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.461464][ T827] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.461467][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.461471][ T827] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.461475][ T827] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.461479][ T827] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 33.461484][ T827] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.461488][ T827] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.461490][ T827] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.461492][ T827] ? move_addr_to_kernel (net/socket.c:258) [ 33.461499][ T827] ___sys_sendmsg (net/socket.c:2767) [ 33.461502][ T827] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.461503][ T827] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 33.461518][ T827] __sys_sendmsg (net/socket.c:2799) [ 33.461521][ T827] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.461527][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.461529][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.461532][ T827] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.461535][ T827] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.461538][ T827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.461540][ T827] RIP: 0033:0x7fe9d189b54e [ 33.461542][ T827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 33.461544][ T827] RSP: 002b:00007ffe8b7a5510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.461546][ T827] RAX: ffffffffffffffda RBX: 0000000018bc9130 RCX: 00007fe9d189b54e [ 33.461548][ T827] RDX: 0000000000000000 RSI: 00007ffe8b7a55b0 RDI: 0000000000000005 [ 33.461548][ T827] RBP: 00007ffe8b7a5520 R08: 0000000000000000 R09: 0000000000000000 [ 33.461549][ T827] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000018bc9200 [ 33.461550][ T827] R13: 00007ffe8b7a55b0 R14: 0000000018bca260 R15: 000000000040bda8 | [ 39.602109][ T65] softirqs last disabled at (28986): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 39.602113][ T65] Preemption disabled at: | [ 39.602113][ T65] 0x0 | [ 39.602123][ T65] Tainted: [W]=WARN [ 39.602124][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.602126][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 39.602131][ T65] Call Trace: [ 39.602133][ T65] [ 39.602135][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.602142][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 39.602146][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.602150][ T65] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.602155][ T65] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.602158][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.602164][ T65] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.602167][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.602170][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 39.602173][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.602178][ T65] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 39.602181][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.602185][ T65] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.602186][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.602188][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.602192][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.602194][ T65] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.602197][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.602201][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.602205][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.602209][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.602211][ T65] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 39.602214][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.602216][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.602220][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.602224][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.602226][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.602231][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.602234][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.602236][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.602238][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.602241][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.602243][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.602246][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 39.602250][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.602253][ T65] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.602255][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.602259][ T65] _printk (kernel/printk/printk.c:2504) [ 39.602262][ T65] ? snapshot_read.cold (user.c:?) [ 39.602265][ T65] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 39.602268][ T65] ? __mod_zone_page_state (mm/vmstat.c:371) [ 39.602271][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.602274][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.602278][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.602280][ T65] ? netdev_notice (net/core/dev.c:13194) [ 39.602281][ T65] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.602287][ T65] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.602289][ T65] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.602293][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.602299][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.602306][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.602310][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.602312][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.602314][ T65] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.602319][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 39.602323][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 39.602326][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.602331][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 39.602335][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.602338][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 39.602341][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.602343][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.602345][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.602349][ T65] process_one_work (kernel/workqueue.c:3387) [ 39.602355][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.602358][ T65] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.602365][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.602370][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.602372][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.602375][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.602378][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.602380][ T65] kthread (kernel/kthread.c:436) [ 39.602382][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.602385][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.602388][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.602392][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.602395][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.602398][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.602401][ T65] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.785448][ T65] softirqs last disabled at (30946): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 44.785454][ T65] Preemption disabled at: | [ 44.785455][ T65] 0x0 | [ 44.785467][ T65] Tainted: [W]=WARN [ 44.785469][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.785472][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.785479][ T65] Call Trace: [ 44.785481][ T65] [ 44.785484][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.785492][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 44.785498][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.785503][ T65] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.785510][ T65] __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)) [ 44.785515][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.785524][ T65] ? 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) [ 44.785527][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.785533][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 44.785536][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.785539][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.785545][ T65] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.785550][ T65] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.785554][ T65] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.785560][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.785565][ T65] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.785567][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.785570][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.785577][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.785580][ T65] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 44.785586][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.785589][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.785596][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.785603][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.785605][ T65] ? 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)) [ 44.785610][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.785614][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.785621][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.785628][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.785630][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.785640][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.785644][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.785647][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.785650][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.785657][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.785659][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.785665][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 44.785671][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.785676][ T65] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.785683][ T65] _printk (kernel/printk/printk.c:2504) [ 44.785688][ T65] ? snapshot_read.cold (user.c:?) [ 44.785691][ T65] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 44.785696][ T65] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 44.785700][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.785704][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.785711][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.785719][ T65] ? netdev_notice (net/core/dev.c:13194) [ 44.785731][ T65] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 44.785740][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.785749][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.785754][ T65] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.785759][ T65] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 44.785761][ T65] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.785769][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.785776][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.785781][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.785784][ T65] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.785792][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.785799][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.785804][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.785813][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 44.785821][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.785825][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.785831][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.785834][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.785837][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.785843][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.785845][ T65] process_one_work (kernel/workqueue.c:3387) [ 44.785857][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.785861][ T65] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.785875][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.785882][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.785885][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.785890][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.785895][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.785898][ T65] kthread (kernel/kthread.c:436) [ 44.785900][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.785904][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.785909][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.785915][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.785920][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.785925][ T65] ? 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