====================================== | [ 31.742998][ T665] softirqs last disabled at (6375315): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 31.743002][ T665] Preemption disabled at: | [ 31.743003][ T665] 0x0 | [ 31.743015][ T665] Tainted: [W]=WARN [ 31.743016][ T665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.743019][ T665] Call Trace: [ 31.743021][ T665] [ 31.743023][ T665] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.743031][ T665] __might_resched.cold (kernel/sched/core.c:9234) [ 31.743037][ T665] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.743043][ T665] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.743050][ T665] __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)) [ 31.743053][ T665] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.743062][ T665] ? 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) [ 31.743066][ T665] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.743071][ T665] put_chars (drivers/char/virtio_console.c:1176) [ 31.743074][ T665] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.743077][ T665] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.743082][ T665] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.743088][ T665] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.743091][ T665] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.743097][ T665] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.743101][ T665] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.743104][ T665] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.743106][ T665] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.743112][ T665] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.743116][ T665] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.743121][ T665] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.743124][ T665] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.743130][ T665] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.743136][ T665] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.743139][ T665] ? 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)) [ 31.743143][ T665] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.743147][ T665] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.743153][ T665] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.743159][ T665] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.743161][ T665] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.743170][ T665] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.743174][ T665] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.743177][ T665] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.743180][ T665] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.743186][ T665] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.743188][ T665] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.743193][ T665] vprintk_emit (kernel/printk/printk.c:2479) [ 31.743199][ T665] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.743204][ T665] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.743210][ T665] _printk (kernel/printk/printk.c:2504) [ 31.743215][ T665] ? snapshot_read.cold (user.c:?) [ 31.743219][ T665] ? 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) [ 31.743223][ T665] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.743229][ T665] ? 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) [ 31.743233][ T665] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.743238][ T665] ? exit_notify (kernel/exit.c:780) [ 31.743247][ T665] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.743249][ T665] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.743253][ T665] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.743258][ T665] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.743262][ T665] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.743265][ T665] RIP: 0033:0x7f5512a55c49 [ 31.743269][ T665] Code: Unable to access opcode bytes at 0x7f5512a55c1f. Code starting with the faulting instruction =========================================== [ 31.743270][ T665] RSP: 002b:00007f5512214e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.743273][ T665] RAX: ffffffffffffffda RBX: 00007f55122156c0 RCX: 00007f5512a55c49 [ 31.743275][ T665] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.743276][ T665] RBP: 00007f5512214f70 R08: 0000000000000001 R09: 00007f55122156c0 [ 31.743278][ T665] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f5511a15000 [ 31.743279][ T665] R13: 00007ffe087bd170 R14: 0000000000000002 R15: 00007ffe087bd277 | [ 33.990080][ T759] softirqs last disabled at (31668): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 33.990083][ T759] Preemption disabled at: | [ 33.990084][ T759] 0x0 | [ 33.990095][ T759] Tainted: [W]=WARN [ 33.990096][ T759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.990097][ T759] Call Trace: [ 33.990099][ T759] [ 33.990101][ T759] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.990107][ T759] __might_resched.cold (kernel/sched/core.c:9234) [ 33.990112][ T759] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.990116][ T759] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.990121][ T759] __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)) [ 33.990123][ T759] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.990129][ T759] ? 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) [ 33.990132][ T759] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.990135][ T759] put_chars (drivers/char/virtio_console.c:1176) [ 33.990138][ T759] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.990140][ T759] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 33.990144][ T759] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 33.990148][ T759] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.990151][ T759] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.990153][ T759] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.990154][ T759] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.990159][ T759] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.990160][ T759] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 33.990164][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.990168][ T759] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.990172][ T759] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.990174][ T759] ? 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)) [ 33.990177][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.990181][ T759] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.990185][ T759] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.990189][ T759] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.990191][ T759] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.990196][ T759] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.990199][ T759] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.990201][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.990203][ T759] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.990207][ T759] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.990209][ T759] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.990212][ T759] vprintk_emit (kernel/printk/printk.c:2479) [ 33.990216][ T759] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.990218][ T759] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 33.990221][ T759] ? __kernel_text_address (kernel/extable.c:79) [ 33.990222][ T759] ? write_profile (profile.c:?) [ 33.990225][ T759] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.990230][ T759] _printk (kernel/printk/printk.c:2504) [ 33.990233][ T759] ? snapshot_read.cold (user.c:?) [ 33.990237][ T759] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.990239][ T759] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 33.990242][ T759] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 33.990246][ T759] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 33.990248][ T759] ? netdev_notice (net/core/dev.c:13194) [ 33.990249][ T759] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.990252][ T759] ? mark_usage (kernel/locking/lockdep.c:4690) [ 33.990255][ T759] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.990260][ T759] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 33.990266][ T759] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 33.990270][ T759] ? 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 [ 33.990275][ T759] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 33.990279][ T759] ? 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) [ 33.990281][ T759] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 33.990288][ T759] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 33.990292][ T759] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 33.990298][ T759] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 33.990302][ T759] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 33.990306][ T759] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.990308][ T759] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 33.990319][ T759] ? 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 [ 33.990324][ T759] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 33.990330][ T759] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 33.990333][ T759] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 33.990335][ T759] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.990341][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.990343][ T759] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.990347][ T759] ? write_profile (profile.c:?) [ 33.990348][ T759] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 33.990352][ T759] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 33.990356][ T759] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 33.990358][ T759] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 33.990360][ T759] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 33.990363][ T759] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 33.990366][ T759] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 33.990369][ T759] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.990375][ T759] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 33.990378][ T759] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 33.990380][ T759] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 33.990384][ T759] ? netlink_ack (./include/linux/skbuff.h:2718) [ 33.990391][ T759] ? 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)) [ 33.990393][ T759] ? 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)) [ 33.990397][ T759] genl_rcv (net/netlink/genetlink.c:1218) [ 33.990399][ T759] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 33.990403][ T759] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.990406][ T759] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.990410][ T759] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 33.990414][ T759] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.990419][ T759] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 33.990424][ T759] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 33.990428][ T759] ? copy_msghdr_from_user (net/socket.c:2650) [ 33.990430][ T759] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 33.990432][ T759] ? move_addr_to_kernel (net/socket.c:258) [ 33.990439][ T759] ___sys_sendmsg (net/socket.c:2767) [ 33.990442][ T759] ? copy_msghdr_from_user (net/socket.c:2619) [ 33.990444][ T759] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 33.990459][ T759] __sys_sendmsg (net/socket.c:2799) [ 33.990463][ T759] ? __sys_sendmsg_sock (net/socket.c:2780) [ 33.990468][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.990471][ T759] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.990474][ T759] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.990477][ T759] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.990480][ T759] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.990482][ T759] RIP: 0033:0x7f7b52d6454e [ 33.990485][ T759] 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 [ 33.990487][ T759] RSP: 002b:00007ffef391e7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 33.990490][ T759] RAX: ffffffffffffffda RBX: 000000003243c130 RCX: 00007f7b52d6454e [ 33.990491][ T759] RDX: 0000000000000000 RSI: 00007ffef391e840 RDI: 0000000000000005 [ 33.990492][ T759] RBP: 00007ffef391e7b0 R08: 0000000000000000 R09: 0000000000000000 [ 33.990493][ T759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000003243c200 [ 33.990494][ T759] R13: 00007ffef391e840 R14: 000000003243d260 R15: 000000000040bda8 | [ 37.252969][ T812] softirqs last disabled at (33456): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 37.252972][ T812] Preemption disabled at: | [ 37.252973][ T812] 0x0 | [ 37.252983][ T812] Tainted: [W]=WARN [ 37.252984][ T812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.252986][ T812] Call Trace: [ 37.252988][ T812] [ 37.252989][ T812] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.252996][ T812] __might_resched.cold (kernel/sched/core.c:9234) [ 37.253000][ T812] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.253005][ T812] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.253010][ T812] __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)) [ 37.253012][ T812] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.253018][ T812] ? 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) [ 37.253021][ T812] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.253024][ T812] put_chars (drivers/char/virtio_console.c:1176) [ 37.253027][ T812] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.253030][ T812] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.253035][ T812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.253037][ T812] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.253041][ T812] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.253044][ T812] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.253046][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.253048][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.253052][ T812] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.253053][ T812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.253058][ T812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.253062][ T812] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.253066][ T812] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.253067][ T812] ? 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)) [ 37.253071][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.253073][ T812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.253077][ T812] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.253081][ T812] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.253083][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.253089][ T812] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.253092][ T812] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.253093][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.253096][ T812] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.253100][ T812] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.253101][ T812] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.253105][ T812] vprintk_emit (kernel/printk/printk.c:2479) [ 37.253109][ T812] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.253111][ T812] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.253114][ T812] ? __kernel_text_address (kernel/extable.c:79) [ 37.253115][ T812] ? write_profile (profile.c:?) [ 37.253118][ T812] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.253123][ T812] _printk (kernel/printk/printk.c:2504) [ 37.253127][ T812] ? snapshot_read.cold (user.c:?) [ 37.253131][ T812] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.253133][ T812] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.253136][ T812] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.253140][ T812] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.253142][ T812] ? netdev_notice (net/core/dev.c:13194) [ 37.253143][ T812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.253146][ T812] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.253149][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.253155][ T812] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 37.253160][ T812] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 37.253164][ T812] ? 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 [ 37.253170][ T812] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 37.253174][ T812] ? 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) [ 37.253177][ T812] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 37.253183][ T812] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 37.253187][ T812] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 37.253194][ T812] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 37.253197][ T812] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 37.253201][ T812] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.253204][ T812] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 37.253215][ T812] ? 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 [ 37.253220][ T812] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 37.253225][ T812] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 37.253229][ T812] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 37.253231][ T812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.253237][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.253239][ T812] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 37.253243][ T812] ? write_profile (profile.c:?) [ 37.253245][ T812] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.253248][ T812] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 37.253252][ T812] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 37.253254][ T812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.253256][ T812] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 37.253259][ T812] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.253262][ T812] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 37.253265][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.253270][ T812] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 37.253274][ T812] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.253276][ T812] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 37.253279][ T812] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.253286][ T812] ? 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)) [ 37.253288][ T812] ? 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)) [ 37.253293][ T812] genl_rcv (net/netlink/genetlink.c:1218) [ 37.253295][ T812] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.253299][ T812] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.253302][ T812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.253306][ T812] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.253310][ T812] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.253314][ T812] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.253320][ T812] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.253324][ T812] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.253326][ T812] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.253328][ T812] ? move_addr_to_kernel (net/socket.c:258) [ 37.253335][ T812] ___sys_sendmsg (net/socket.c:2767) [ 37.253338][ T812] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.253340][ T812] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 37.253356][ T812] __sys_sendmsg (net/socket.c:2799) [ 37.253359][ T812] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.253364][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.253367][ T812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.253370][ T812] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.253373][ T812] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.253376][ T812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.253379][ T812] RIP: 0033:0x7f7c1506754e [ 37.253381][ T812] 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 [ 37.253383][ T812] RSP: 002b:00007ffc7f8b1800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.253386][ T812] RAX: ffffffffffffffda RBX: 000000001fcb2130 RCX: 00007f7c1506754e [ 37.253387][ T812] RDX: 0000000000000000 RSI: 00007ffc7f8b18a0 RDI: 0000000000000005 [ 37.253388][ T812] RBP: 00007ffc7f8b1810 R08: 0000000000000000 R09: 0000000000000000 [ 37.253389][ T812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001fcb2200 [ 37.253390][ T812] R13: 00007ffc7f8b18a0 R14: 000000001fcb3260 R15: 000000000040bda8 | [ 43.591914][ T169] softirqs last disabled at (26682): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.591917][ T169] Preemption disabled at: | [ 43.591918][ T169] 0x0 | [ 43.591929][ T169] Tainted: [W]=WARN [ 43.591931][ T169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.591933][ T169] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.591937][ T169] Call Trace: [ 43.591939][ T169] [ 43.591942][ T169] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.591948][ T169] __might_resched.cold (kernel/sched/core.c:9234) [ 43.591953][ T169] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.591958][ T169] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.591963][ T169] __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)) [ 43.591966][ T169] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.591972][ T169] ? 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) [ 43.591975][ T169] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.591979][ T169] put_chars (drivers/char/virtio_console.c:1176) [ 43.591982][ T169] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.591986][ T169] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 43.591991][ T169] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.591994][ T169] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.591996][ T169] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.591998][ T169] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.592002][ T169] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.592004][ T169] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 43.592008][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.592012][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.592016][ T169] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.592020][ T169] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.592022][ T169] ? 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)) [ 43.592025][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.592028][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.592032][ T169] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.592036][ T169] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.592038][ T169] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.592044][ T169] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.592047][ T169] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.592049][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.592051][ T169] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.592055][ T169] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.592057][ T169] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.592060][ T169] vprintk_emit (kernel/printk/printk.c:2479) [ 43.592064][ T169] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.592067][ T169] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.592069][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.592073][ T169] _printk (kernel/printk/printk.c:2504) [ 43.592077][ T169] ? snapshot_read.cold (user.c:?) [ 43.592080][ T169] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 43.592083][ T169] ? __mod_zone_page_state (mm/vmstat.c:371) [ 43.592086][ T169] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.592089][ T169] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.592093][ T169] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.592095][ T169] ? netdev_notice (net/core/dev.c:13194) [ 43.592097][ T169] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.592103][ T169] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.592106][ T169] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.592109][ T169] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.592115][ T169] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.592122][ T169] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.592127][ T169] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.592130][ T169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.592133][ T169] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.592137][ T169] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.592142][ T169] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.592145][ T169] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.592150][ T169] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 43.592155][ T169] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.592157][ T169] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.592161][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.592163][ T169] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.592165][ T169] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.592169][ T169] process_one_work (kernel/workqueue.c:3387) [ 43.592176][ T169] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.592179][ T169] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.592186][ T169] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.592191][ T169] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.592193][ T169] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.592197][ T169] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.592199][ T169] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.592201][ T169] kthread (kernel/kthread.c:436) [ 43.592204][ T169] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.592207][ T169] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.592209][ T169] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.592214][ T169] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.592217][ T169] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.592220][ T169] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.592223][ T169] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.840148][ T66] softirqs last disabled at (32856): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 48.840152][ T66] Preemption disabled at: | [ 48.840152][ T66] 0x0 | [ 48.840163][ T66] Tainted: [W]=WARN [ 48.840164][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.840167][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 48.840171][ T66] Call Trace: [ 48.840173][ T66] [ 48.840175][ T66] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.840182][ T66] __might_resched.cold (kernel/sched/core.c:9234) [ 48.840186][ T66] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.840191][ T66] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.840195][ T66] __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)) [ 48.840198][ T66] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.840204][ T66] ? 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) [ 48.840207][ T66] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.840211][ T66] put_chars (drivers/char/virtio_console.c:1176) [ 48.840213][ T66] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 48.840215][ T66] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.840219][ T66] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.840223][ T66] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.840225][ T66] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.840229][ T66] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.840233][ T66] ? mark_usage (kernel/locking/lockdep.c:4690) [ 48.840235][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.840236][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.840241][ T66] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.840243][ T66] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 48.840246][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.840249][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.840253][ T66] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.840258][ T66] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.840260][ T66] ? 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)) [ 48.840263][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.840265][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.840270][ T66] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.840274][ T66] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.840276][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.840281][ T66] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.840284][ T66] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.840286][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.840288][ T66] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.840292][ T66] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.840294][ T66] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.840297][ T66] vprintk_emit (kernel/printk/printk.c:2479) [ 48.840301][ T66] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.840304][ T66] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.840308][ T66] _printk (kernel/printk/printk.c:2504) [ 48.840312][ T66] ? snapshot_read.cold (user.c:?) [ 48.840313][ T66] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 48.840317][ T66] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 48.840319][ T66] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.840322][ T66] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.840326][ T66] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.840328][ T66] ? netdev_notice (net/core/dev.c:13194) [ 48.840333][ T66] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 48.840336][ T66] ? kthread (kernel/kthread.c:436) [ 48.840341][ T66] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 48.840346][ T66] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 48.840349][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 48.840352][ T66] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 48.840354][ T66] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 48.840359][ T66] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 48.840363][ T66] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 48.840366][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.840368][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 48.840373][ T66] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 48.840377][ T66] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 48.840380][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.840385][ T66] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 48.840389][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 48.840392][ T66] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 48.840395][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.840397][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.840399][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.840403][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 48.840404][ T66] process_one_work (kernel/workqueue.c:3387) [ 48.840411][ T66] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 48.840414][ T66] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.840421][ T66] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.840426][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.840428][ T66] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 48.840430][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.840433][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.840435][ T66] kthread (kernel/kthread.c:436) [ 48.840437][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.840440][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.840443][ T66] ret_from_fork (arch/x86/kernel/process.c:158) [ 48.840447][ T66] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 48.840450][ T66] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 48.840453][ T66] ? 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