====================================== | [ 15.295962][ T308] softirqs last disabled at (33855): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.295964][ T308] Preemption disabled at: | [ 15.295965][ T308] 0x0 | [ 15.295975][ T308] Tainted: [W]=WARN [ 15.295976][ T308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.295978][ T308] Call Trace: [ 15.295979][ T308] [ 15.295981][ T308] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.295987][ T308] __might_resched.cold (kernel/sched/core.c:9234) [ 15.295991][ T308] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.295995][ T308] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.296000][ T308] __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)) [ 15.296002][ T308] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.296008][ T308] ? 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) [ 15.296010][ T308] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.296013][ T308] put_chars (drivers/char/virtio_console.c:1176) [ 15.296016][ T308] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.296018][ T308] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.296023][ T308] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.296028][ T308] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.296034][ T308] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.296036][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296039][ T308] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.296043][ T308] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.296046][ T308] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.296048][ T308] ? 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)) [ 15.296051][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296053][ T308] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.296059][ T308] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.296063][ T308] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.296065][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.296070][ T308] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.296073][ T308] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.296075][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296077][ T308] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.296081][ T308] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.296082][ T308] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.296086][ T308] vprintk_emit (kernel/printk/printk.c:2479) [ 15.296089][ T308] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.296093][ T308] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.296096][ T308] _printk (kernel/printk/printk.c:2504) [ 15.296099][ T308] ? snapshot_read.cold (user.c:?) [ 15.296102][ T308] ? 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) [ 15.296104][ T308] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.296108][ T308] ? 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) [ 15.296111][ T308] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.296114][ T308] ? exit_notify (kernel/exit.c:780) [ 15.296116][ T308] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.296118][ T308] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296122][ T308] do_group_exit (kernel/exit.c:1151) [ 15.296125][ T308] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.296127][ T308] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.296129][ T308] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.296133][ T308] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.296136][ T308] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.296138][ T308] RIP: 0033:0x7fc7dc9bb1b8 [ 15.296140][ T308] Code: Unable to access opcode bytes at 0x7fc7dc9bb18e. Code starting with the faulting instruction =========================================== [ 15.296141][ T308] RSP: 002b:00007ffd5412f568 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.296143][ T308] RAX: ffffffffffffffda RBX: 00007fc7dcaebf88 RCX: 00007fc7dc9bb1b8 [ 15.296145][ T308] RDX: 00007fc7dc705fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.296146][ T308] RBP: 00007ffd5412f5c0 R08: 0000000000000000 R09: 0000000000000000 [ 15.296147][ T308] R10: 00007ffd5412f380 R11: 0000000000000246 R12: 0000000000000001 [ 15.296147][ T308] R13: 0000000000000000 R14: 00007fc7dcaea680 R15: 00007fc7dcaebfa0 | [ 29.832957][ T757] softirqs last disabled at (35792): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 29.832960][ T757] Preemption disabled at: | [ 29.832961][ T757] 0x0 | [ 29.832971][ T757] Tainted: [W]=WARN [ 29.832972][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.832974][ T757] Call Trace: [ 29.832975][ T757] [ 29.832977][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.832983][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 29.832987][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.832991][ T757] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.832996][ T757] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.832998][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.833004][ T757] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.833007][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.833010][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 29.833013][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.833015][ T757] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 29.833019][ T757] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 29.833022][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.833025][ T757] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.833027][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.833028][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.833032][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.833034][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.833038][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.833042][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.833045][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.833047][ T757] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.833050][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.833054][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.833060][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.833064][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.833066][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.833071][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.833074][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.833075][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.833078][ T757] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.833081][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.833083][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.833086][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 29.833090][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.833091][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.833094][ T757] ? __kernel_text_address (kernel/extable.c:79) [ 29.833096][ T757] ? write_profile (profile.c:?) [ 29.833098][ T757] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.833103][ T757] _printk (kernel/printk/printk.c:2504) [ 29.833106][ T757] ? snapshot_read.cold (user.c:?) [ 29.833110][ T757] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.833112][ T757] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.833115][ T757] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.833118][ T757] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.833120][ T757] ? netdev_notice (net/core/dev.c:13194) [ 29.833121][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.833124][ T757] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.833127][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.833132][ T757] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 29.833137][ T757] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 29.833141][ T757] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 29.833146][ T757] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 29.833150][ T757] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 29.833152][ T757] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 29.833158][ T757] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 29.833162][ T757] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 29.833168][ T757] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 29.833171][ T757] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 29.833175][ T757] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 29.833177][ T757] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 29.833188][ T757] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 29.833192][ T757] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 29.833198][ T757] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 29.833201][ T757] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 29.833203][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.833209][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.833211][ T757] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 29.833215][ T757] ? write_profile (profile.c:?) [ 29.833216][ T757] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.833219][ T757] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 29.833223][ T757] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 29.833225][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.833227][ T757] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 29.833230][ T757] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 29.833233][ T757] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 29.833236][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.833241][ T757] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 29.833244][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.833246][ T757] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 29.833250][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.833257][ T757] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 29.833259][ T757] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 29.833262][ T757] genl_rcv (net/netlink/genetlink.c:1218) [ 29.833265][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.833269][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.833272][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.833276][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.833279][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.833284][ T757] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 29.833289][ T757] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.833292][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.833295][ T757] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 29.833296][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 29.833304][ T757] ___sys_sendmsg (net/socket.c:2767) [ 29.833306][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.833308][ T757] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 29.833323][ T757] __sys_sendmsg (net/socket.c:2799) [ 29.833326][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.833332][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.833334][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.833337][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.833340][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.833343][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.833345][ T757] RIP: 0033:0x7f6dd43a154e [ 29.833347][ T757] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 29.833349][ T757] RSP: 002b:00007ffc683ad730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.833352][ T757] RAX: ffffffffffffffda RBX: 0000000004921130 RCX: 00007f6dd43a154e [ 29.833353][ T757] RDX: 0000000000000000 RSI: 00007ffc683ad7d0 RDI: 0000000000000005 [ 29.833354][ T757] RBP: 00007ffc683ad740 R08: 0000000000000000 R09: 0000000000000000 [ 29.833355][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000004921200 [ 29.833356][ T757] R13: 00007ffc683ad7d0 R14: 0000000004922260 R15: 000000000040bda8 | [ 32.856022][ T809] softirqs last disabled at (32862): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 32.856026][ T809] Preemption disabled at: | [ 32.856026][ T809] 0x0 | [ 32.856036][ T809] Tainted: [W]=WARN [ 32.856037][ T809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.856039][ T809] Call Trace: [ 32.856040][ T809] [ 32.856042][ T809] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.856048][ T809] __might_resched.cold (kernel/sched/core.c:9234) [ 32.856052][ T809] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.856058][ T809] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.856063][ T809] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.856066][ T809] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.856072][ T809] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.856075][ T809] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.856078][ T809] put_chars (drivers/char/virtio_console.c:1176) [ 32.856081][ T809] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.856084][ T809] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.856088][ T809] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.856091][ T809] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.856095][ T809] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.856098][ T809] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.856099][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.856101][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.856105][ T809] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.856106][ T809] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.856111][ T809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.856114][ T809] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.856118][ T809] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.856120][ T809] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 32.856123][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.856126][ T809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.856129][ T809] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.856133][ T809] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.856135][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.856140][ T809] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.856143][ T809] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.856145][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.856147][ T809] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.856150][ T809] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.856152][ T809] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.856155][ T809] vprintk_emit (kernel/printk/printk.c:2479) [ 32.856159][ T809] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.856161][ T809] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.856164][ T809] ? __kernel_text_address (kernel/extable.c:79) [ 32.856165][ T809] ? write_profile (profile.c:?) [ 32.856167][ T809] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.856172][ T809] _printk (kernel/printk/printk.c:2504) [ 32.856176][ T809] ? snapshot_read.cold (user.c:?) [ 32.856180][ T809] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.856181][ T809] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.856184][ T809] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.856188][ T809] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.856190][ T809] ? netdev_notice (net/core/dev.c:13194) [ 32.856191][ T809] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.856194][ T809] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.856197][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.856202][ T809] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.856207][ T809] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.856211][ T809] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 32.856217][ T809] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.856220][ T809] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.856223][ T809] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.856229][ T809] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.856233][ T809] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.856240][ T809] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.856243][ T809] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 32.856246][ T809] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.856249][ T809] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.856259][ T809] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 32.856264][ T809] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.856269][ T809] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.856273][ T809] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.856275][ T809] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.856280][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.856283][ T809] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.856287][ T809] ? write_profile (profile.c:?) [ 32.856288][ T809] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.856291][ T809] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.856295][ T809] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.856297][ T809] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.856299][ T809] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.856302][ T809] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.856304][ T809] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.856307][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.856312][ T809] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.856316][ T809] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.856318][ T809] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.856321][ T809] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.856328][ T809] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 32.856330][ T809] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 32.856334][ T809] genl_rcv (net/netlink/genetlink.c:1218) [ 32.856336][ T809] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.856340][ T809] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.856343][ T809] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.856347][ T809] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.856351][ T809] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.856355][ T809] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.856360][ T809] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.856364][ T809] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.856366][ T809] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.856368][ T809] ? move_addr_to_kernel (net/socket.c:258) [ 32.856375][ T809] ___sys_sendmsg (net/socket.c:2767) [ 32.856378][ T809] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.856380][ T809] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.856395][ T809] __sys_sendmsg (net/socket.c:2799) [ 32.856398][ T809] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.856403][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.856406][ T809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.856409][ T809] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.856412][ T809] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.856415][ T809] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.856417][ T809] RIP: 0033:0x7f56dd8db54e [ 32.856419][ T809] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 32.856421][ T809] RSP: 002b:00007ffd42f6d2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.856423][ T809] RAX: ffffffffffffffda RBX: 000000001a85a130 RCX: 00007f56dd8db54e [ 32.856425][ T809] RDX: 0000000000000000 RSI: 00007ffd42f6d370 RDI: 0000000000000005 [ 32.856425][ T809] RBP: 00007ffd42f6d2e0 R08: 0000000000000000 R09: 0000000000000000 [ 32.856426][ T809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001a85a200 [ 32.856427][ T809] R13: 00007ffd42f6d370 R14: 000000001a85b260 R15: 000000000040bda8 | [ 39.016434][ T65] softirqs last disabled at (21330): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 39.016437][ T65] Preemption disabled at: | [ 39.016438][ T65] 0x0 | [ 39.016449][ T65] Tainted: [W]=WARN [ 39.016450][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.016452][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 39.016457][ T65] Call Trace: [ 39.016458][ T65] [ 39.016461][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.016468][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 39.016472][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.016476][ T65] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.016481][ T65] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.016484][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.016489][ T65] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.016492][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.016495][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 39.016498][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.016503][ T65] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 39.016506][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.016510][ T65] ? mark_usage (kernel/locking/lockdep.c:4690) [ 39.016512][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.016513][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.016517][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.016520][ T65] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 39.016523][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.016527][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.016531][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.016534][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.016536][ T65] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 39.016539][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.016542][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.016546][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.016550][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.016552][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.016557][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.016560][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.016562][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.016564][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.016568][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.016569][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.016573][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 39.016577][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.016578][ T65] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.016581][ T65] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.016583][ T65] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.016587][ T65] _printk (kernel/printk/printk.c:2504) [ 39.016591][ T65] ? snapshot_read.cold (user.c:?) [ 39.016595][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 39.016598][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 39.016608][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 39.016610][ T65] ? netdev_notice (net/core/dev.c:13194) [ 39.016614][ T65] ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3)) [ 39.016619][ T65] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.016622][ T65] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.016626][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 39.016631][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 39.016638][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 39.016643][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 39.016646][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.016648][ T65] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.016652][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 39.016657][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 39.016659][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.016665][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 39.016669][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 39.016672][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 39.016675][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.016677][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.016679][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.016683][ T65] process_one_work (kernel/workqueue.c:3387) [ 39.016689][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.016692][ T65] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.016700][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.016704][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.016706][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.016709][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.016712][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.016714][ T65] kthread (kernel/kthread.c:436) [ 39.016716][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.016719][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.016721][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.016725][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.016729][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.016732][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.016734][ T65] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.200701][ T9] softirqs last disabled at (19802): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 44.200705][ T9] Preemption disabled at: | [ 44.200706][ T9] 0x0 | [ 44.200716][ T9] Tainted: [W]=WARN [ 44.200717][ T9] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.200719][ T9] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.200724][ T9] Call Trace: [ 44.200725][ T9] [ 44.200727][ T9] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.200733][ T9] __might_resched.cold (kernel/sched/core.c:9234) [ 44.200738][ T9] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.200742][ T9] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.200747][ T9] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.200750][ T9] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.200756][ T9] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.200758][ T9] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.200762][ T9] put_chars (drivers/char/virtio_console.c:1176) [ 44.200764][ T9] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.200766][ T9] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.200769][ T9] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.200773][ T9] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.200776][ T9] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.200779][ T9] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.200783][ T9] ? mark_usage (kernel/locking/lockdep.c:4690) [ 44.200784][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.200786][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.200790][ T9] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.200792][ T9] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 44.200795][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.200797][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.200801][ T9] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.200805][ T9] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.200807][ T9] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 44.200810][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.200812][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.200816][ T9] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.200820][ T9] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.200822][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.200827][ T9] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.200830][ T9] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.200832][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.200834][ T9] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.200837][ T9] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.200839][ T9] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.200842][ T9] vprintk_emit (kernel/printk/printk.c:2479) [ 44.200846][ T9] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.200849][ T9] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.200853][ T9] _printk (kernel/printk/printk.c:2504) [ 44.200857][ T9] ? snapshot_read.cold (user.c:?) [ 44.200858][ T9] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 44.200861][ T9] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 44.200863][ T9] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.200867][ T9] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.200870][ T9] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.200872][ T9] ? netdev_notice (net/core/dev.c:13194) [ 44.200877][ T9] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 44.200883][ T9] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.200887][ T9] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.200890][ T9] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.200893][ T9] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 44.200895][ T9] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.200900][ T9] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.200904][ T9] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.200906][ T9] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.200908][ T9] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 44.200913][ T9] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.200916][ T9] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.200919][ T9] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.200924][ T9] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 44.200928][ T9] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.200931][ T9] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.200934][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.200936][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.200938][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.200942][ T9] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 44.200943][ T9] process_one_work (kernel/workqueue.c:3387) [ 44.200949][ T9] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.200952][ T9] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.200960][ T9] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.200966][ T9] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.200968][ T9] kthread (kernel/kthread.c:436) [ 44.200971][ T9] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.200974][ T9] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.200976][ T9] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.200981][ T9] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.200984][ T9] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.200987][ T9] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_keepalive_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print