====================================== | [ 32.355383][ T677] softirqs last disabled at (6654207): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 32.355386][ T677] Preemption disabled at: | [ 32.355387][ T677] 0x0 | [ 32.355399][ T677] Tainted: [W]=WARN [ 32.355400][ T677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.355403][ T677] Call Trace: [ 32.355405][ T677] [ 32.355407][ T677] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.355415][ T677] __might_resched.cold (kernel/sched/core.c:9234) [ 32.355421][ T677] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.355427][ T677] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.355434][ T677] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.355437][ T677] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.355446][ T677] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.355450][ T677] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.355455][ T677] put_chars (drivers/char/virtio_console.c:1176) [ 32.355458][ T677] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.355461][ T677] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.355466][ T677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.355472][ T677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.355475][ T677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.355481][ T677] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.355485][ T677] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.355488][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.355490][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.355496][ T677] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.355502][ T677] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 32.355507][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.355510][ T677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.355517][ T677] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.355523][ T677] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.355525][ T677] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 32.355530][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.355533][ T677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.355540][ T677] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.355546][ T677] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.355549][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.355557][ T677] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.355562][ T677] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.355564][ T677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.355568][ T677] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.355574][ T677] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.355576][ T677] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.355581][ T677] vprintk_emit (kernel/printk/printk.c:2479) [ 32.355587][ T677] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.355593][ T677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.355599][ T677] _printk (kernel/printk/printk.c:2504) [ 32.355604][ T677] ? snapshot_read.cold (user.c:?) [ 32.355608][ T677] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.355612][ T677] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.355618][ T677] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.355622][ T677] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 32.355628][ T677] ? exit_notify (kernel/exit.c:780) [ 32.355637][ T677] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 32.355639][ T677] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 32.355643][ T677] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.355647][ T677] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.355652][ T677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.355655][ T677] RIP: 0033:0x7f3d791fbc49 [ 32.355658][ T677] Code: Unable to access opcode bytes at 0x7f3d791fbc1f. Code starting with the faulting instruction =========================================== [ 32.355659][ T677] RSP: 002b:00007f3d789bae60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.355662][ T677] RAX: ffffffffffffffda RBX: 00007f3d789bb6c0 RCX: 00007f3d791fbc49 [ 32.355663][ T677] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.355665][ T677] RBP: 00007f3d789baf70 R08: 0000000000000001 R09: 00007f3d789bb6c0 [ 32.355666][ T677] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f3d781bb000 [ 32.355667][ T677] R13: 00007fffcd058dd0 R14: 0000000000000002 R15: 00007fffcd058ed7 | [ 34.428102][ T771] softirqs last disabled at (28670): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 34.428105][ T771] Preemption disabled at: | [ 34.428106][ T771] 0x0 | [ 34.428116][ T771] Tainted: [W]=WARN [ 34.428117][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.428119][ T771] Call Trace: [ 34.428120][ T771] [ 34.428122][ T771] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.428128][ T771] __might_resched.cold (kernel/sched/core.c:9234) [ 34.428133][ T771] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.428137][ T771] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.428142][ T771] __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)) [ 34.428144][ T771] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.428150][ T771] ? 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) [ 34.428152][ T771] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.428155][ T771] put_chars (drivers/char/virtio_console.c:1176) [ 34.428158][ T771] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.428160][ T771] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 34.428164][ T771] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 34.428168][ T771] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.428171][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.428173][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.428174][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.428178][ T771] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.428180][ T771] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.428184][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.428188][ T771] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.428191][ T771] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.428193][ T771] ? 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)) [ 34.428196][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.428200][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.428204][ T771] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.428208][ T771] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.428210][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.428215][ T771] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.428218][ T771] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.428220][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.428222][ T771] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.428226][ T771] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.428227][ T771] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.428231][ T771] vprintk_emit (kernel/printk/printk.c:2479) [ 34.428234][ T771] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.428236][ T771] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 34.428239][ T771] ? __kernel_text_address (kernel/extable.c:79) [ 34.428241][ T771] ? write_profile (profile.c:?) [ 34.428243][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.428248][ T771] _printk (kernel/printk/printk.c:2504) [ 34.428251][ T771] ? snapshot_read.cold (user.c:?) [ 34.428255][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.428257][ T771] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 34.428260][ T771] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 34.428263][ T771] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 34.428265][ T771] ? netdev_notice (net/core/dev.c:13194) [ 34.428267][ T771] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 34.428270][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 34.428273][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.428278][ T771] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 34.428283][ T771] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 34.428287][ T771] ? 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 [ 34.428292][ T771] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 34.428296][ T771] ? 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) [ 34.428298][ T771] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 34.428305][ T771] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 34.428308][ T771] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 34.428315][ T771] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 34.428318][ T771] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 34.428322][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.428324][ T771] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 34.428335][ T771] ? 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 [ 34.428339][ T771] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 34.428345][ T771] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 34.428348][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 34.428350][ T771] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 34.428356][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.428358][ T771] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 34.428362][ T771] ? write_profile (profile.c:?) [ 34.428363][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 34.428367][ T771] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 34.428371][ T771] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 34.428373][ T771] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.428375][ T771] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 34.428378][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 34.428380][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 34.428383][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.428389][ T771] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 34.428392][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 34.428394][ T771] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 34.428398][ T771] ? netlink_ack (./include/linux/skbuff.h:2718) [ 34.428405][ T771] ? 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)) [ 34.428406][ T771] ? 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)) [ 34.428410][ T771] genl_rcv (net/netlink/genetlink.c:1218) [ 34.428413][ T771] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 34.428417][ T771] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.428420][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.428424][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 34.428428][ T771] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.428432][ T771] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 34.428437][ T771] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 34.428441][ T771] ? copy_msghdr_from_user (net/socket.c:2650) [ 34.428443][ T771] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 34.428445][ T771] ? move_addr_to_kernel (net/socket.c:258) [ 34.428453][ T771] ___sys_sendmsg (net/socket.c:2767) [ 34.428458][ T771] ? copy_msghdr_from_user (net/socket.c:2619) [ 34.428459][ T771] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 34.428475][ T771] __sys_sendmsg (net/socket.c:2799) [ 34.428478][ T771] ? __sys_sendmsg_sock (net/socket.c:2780) [ 34.428483][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.428486][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.428489][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 34.428492][ T771] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 34.428495][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 34.428498][ T771] RIP: 0033:0x7f598634354e [ 34.428500][ T771] 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 [ 34.428502][ T771] RSP: 002b:00007fffaf9aa350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 34.428505][ T771] RAX: ffffffffffffffda RBX: 0000000018c64130 RCX: 00007f598634354e [ 34.428506][ T771] RDX: 0000000000000000 RSI: 00007fffaf9aa3f0 RDI: 0000000000000005 [ 34.428507][ T771] RBP: 00007fffaf9aa360 R08: 0000000000000000 R09: 0000000000000000 [ 34.428508][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000018c64200 [ 34.428509][ T771] R13: 00007fffaf9aa3f0 R14: 0000000018c65260 R15: 000000000040bda8 | [ 37.571786][ T823] softirqs last disabled at (32366): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 37.571789][ T823] Preemption disabled at: | [ 37.571790][ T823] 0x0 | [ 37.571800][ T823] Tainted: [W]=WARN [ 37.571801][ T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.571803][ T823] Call Trace: [ 37.571805][ T823] [ 37.571806][ T823] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.571812][ T823] __might_resched.cold (kernel/sched/core.c:9234) [ 37.571817][ T823] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.571821][ T823] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.571826][ T823] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.571828][ T823] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.571834][ T823] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.571837][ T823] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.571840][ T823] put_chars (drivers/char/virtio_console.c:1176) [ 37.571843][ T823] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.571846][ T823] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.571850][ T823] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.571852][ T823] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.571856][ T823] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.571859][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.571861][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.571863][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.571867][ T823] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.571868][ T823] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.571872][ T823] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.571876][ T823] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.571880][ T823] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.571882][ T823] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 37.571885][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.571887][ T823] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.571891][ T823] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.571895][ T823] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.571897][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.571902][ T823] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.571905][ T823] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.571907][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.571909][ T823] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.571912][ T823] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.571914][ T823] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.571917][ T823] vprintk_emit (kernel/printk/printk.c:2479) [ 37.571921][ T823] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.571923][ T823] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.571926][ T823] ? __kernel_text_address (kernel/extable.c:79) [ 37.571927][ T823] ? write_profile (profile.c:?) [ 37.571930][ T823] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.571935][ T823] _printk (kernel/printk/printk.c:2504) [ 37.571938][ T823] ? snapshot_read.cold (user.c:?) [ 37.571942][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.571944][ T823] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.571947][ T823] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.571951][ T823] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.571953][ T823] ? netdev_notice (net/core/dev.c:13194) [ 37.571954][ T823] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.571957][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.571959][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.571965][ T823] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 37.571970][ T823] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 37.571974][ T823] ? 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 [ 37.571980][ T823] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 37.571983][ T823] ? 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) [ 37.571986][ T823] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 37.571992][ T823] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 37.571996][ T823] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 37.572002][ T823] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 37.572006][ T823] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 37.572009][ T823] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.572012][ T823] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 37.572023][ T823] ? 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 [ 37.572027][ T823] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 37.572032][ T823] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 37.572036][ T823] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 37.572038][ T823] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.572044][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.572046][ T823] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 37.572050][ T823] ? write_profile (profile.c:?) [ 37.572051][ T823] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.572054][ T823] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 37.572058][ T823] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 37.572060][ T823] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.572062][ T823] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 37.572065][ T823] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.572067][ T823] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 37.572071][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.572076][ T823] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 37.572079][ T823] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.572081][ T823] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 37.572085][ T823] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.572092][ T823] ? 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)) [ 37.572093][ T823] ? 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)) [ 37.572097][ T823] genl_rcv (net/netlink/genetlink.c:1218) [ 37.572100][ T823] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.572104][ T823] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.572106][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.572110][ T823] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.572114][ T823] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.572118][ T823] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.572124][ T823] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.572128][ T823] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.572130][ T823] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.572132][ T823] ? move_addr_to_kernel (net/socket.c:258) [ 37.572139][ T823] ___sys_sendmsg (net/socket.c:2767) [ 37.572142][ T823] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.572144][ T823] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 37.572159][ T823] __sys_sendmsg (net/socket.c:2799) [ 37.572162][ T823] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.572167][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.572170][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.572173][ T823] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.572176][ T823] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.572179][ T823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.572181][ T823] RIP: 0033:0x7f2089c6754e [ 37.572183][ T823] 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 [ 37.572185][ T823] RSP: 002b:00007fff9e2d5e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.572188][ T823] RAX: ffffffffffffffda RBX: 000000003ac30130 RCX: 00007f2089c6754e [ 37.572190][ T823] RDX: 0000000000000000 RSI: 00007fff9e2d5ed0 RDI: 0000000000000005 [ 37.572191][ T823] RBP: 00007fff9e2d5e40 R08: 0000000000000000 R09: 0000000000000000 [ 37.572191][ T823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003ac30200 [ 37.572192][ T823] R13: 00007fff9e2d5ed0 R14: 000000003ac31260 R15: 000000000040bda8 | [ 43.890913][ T53] softirqs last disabled at (60472): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.890917][ T53] Preemption disabled at: | [ 43.890918][ T53] 0x0 | [ 43.890928][ T53] Tainted: [W]=WARN [ 43.890929][ T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.890931][ T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.890936][ T53] Call Trace: [ 43.890937][ T53] [ 43.890940][ T53] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.890947][ T53] __might_resched.cold (kernel/sched/core.c:9234) [ 43.890951][ T53] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.890955][ T53] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.890960][ T53] __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)) [ 43.890963][ T53] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.890969][ T53] ? 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) [ 43.890972][ T53] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.890975][ T53] put_chars (drivers/char/virtio_console.c:1176) [ 43.890978][ T53] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.890983][ T53] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 43.890986][ T53] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.890990][ T53] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.890992][ T53] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.890993][ T53] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.890997][ T53] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.890999][ T53] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 43.891002][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.891006][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.891010][ T53] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.891014][ T53] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.891016][ T53] ? 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)) [ 43.891019][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.891021][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.891025][ T53] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.891029][ T53] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.891031][ T53] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.891036][ T53] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.891039][ T53] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.891041][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.891043][ T53] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.891047][ T53] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.891048][ T53] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.891052][ T53] vprintk_emit (kernel/printk/printk.c:2479) [ 43.891055][ T53] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.891059][ T53] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.891060][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.891064][ T53] _printk (kernel/printk/printk.c:2504) [ 43.891068][ T53] ? snapshot_read.cold (user.c:?) [ 43.891071][ T53] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 43.891074][ T53] ? __mod_zone_page_state (mm/vmstat.c:371) [ 43.891077][ T53] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.891080][ T53] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.891083][ T53] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.891086][ T53] ? netdev_notice (net/core/dev.c:13194) [ 43.891087][ T53] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.891093][ T53] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.891096][ T53] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.891099][ T53] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.891105][ T53] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.891112][ T53] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.891117][ T53] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.891120][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.891122][ T53] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.891127][ T53] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.891133][ T53] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.891136][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.891141][ T53] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 43.891145][ T53] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.891148][ T53] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.891151][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.891153][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.891155][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.891159][ T53] process_one_work (kernel/workqueue.c:3387) [ 43.891166][ T53] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.891168][ T53] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.891176][ T53] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.891180][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.891182][ T53] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.891186][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.891188][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.891190][ T53] kthread (kernel/kthread.c:436) [ 43.891193][ T53] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.891196][ T53] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.891199][ T53] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.891203][ T53] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.891206][ T53] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.891209][ T53] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.891212][ T53] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.138345][ T53] softirqs last disabled at (62672): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 49.138351][ T53] Preemption disabled at: | [ 49.138352][ T53] 0x0 | [ 49.138366][ T53] Tainted: [W]=WARN [ 49.138367][ T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.138370][ T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 49.138377][ T53] Call Trace: [ 49.138380][ T53] [ 49.138383][ T53] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.138392][ T53] __might_resched.cold (kernel/sched/core.c:9234) [ 49.138398][ T53] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.138404][ T53] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.138411][ T53] __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)) [ 49.138415][ T53] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.138425][ T53] ? 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) [ 49.138429][ T53] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.138434][ T53] put_chars (drivers/char/virtio_console.c:1176) [ 49.138438][ T53] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 49.138441][ T53] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.138447][ T53] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.138453][ T53] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.138456][ T53] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.138462][ T53] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.138467][ T53] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.138470][ T53] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.138472][ T53] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.138479][ T53] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.138483][ T53] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 49.138488][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.138492][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.138505][ T53] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.138512][ T53] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.138514][ T53] ? 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)) [ 49.138520][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.138523][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.138530][ T53] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.138538][ T53] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.138540][ T53] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.138550][ T53] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.138554][ T53] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.138557][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.138561][ T53] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 49.138567][ T53] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.138570][ T53] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.138575][ T53] vprintk_emit (kernel/printk/printk.c:2479) [ 49.138581][ T53] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.138586][ T53] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.138594][ T53] _printk (kernel/printk/printk.c:2504) [ 49.138599][ T53] ? snapshot_read.cold (user.c:?) [ 49.138601][ T53] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 49.138606][ T53] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 49.138610][ T53] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.138615][ T53] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.138621][ T53] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.138625][ T53] ? netdev_notice (net/core/dev.c:13194) [ 49.138634][ T53] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 49.138644][ T53] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 49.138653][ T53] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 49.138658][ T53] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.138662][ T53] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 49.138665][ T53] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.138673][ T53] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 49.138681][ T53] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 49.138685][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.138689][ T53] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 49.138696][ T53] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 49.138704][ T53] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 49.138709][ T53] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.138718][ T53] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 49.138726][ T53] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.138730][ T53] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 49.138736][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.138739][ T53] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.138742][ T53] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.138748][ T53] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.138751][ T53] process_one_work (kernel/workqueue.c:3387) [ 49.138762][ T53] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.138767][ T53] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.138781][ T53] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.138788][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.138791][ T53] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.138796][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.138801][ T53] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.138804][ T53] kthread (kernel/kthread.c:436) [ 49.138807][ T53] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.138811][ T53] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.138815][ T53] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.138821][ T53] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.138827][ T53] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.138831][ T53] ? 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