====================================== | [ 32.701838][ T771] softirqs last disabled at (42690): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 32.701842][ T771] Preemption disabled at: | [ 32.701843][ T771] 0x0 | [ 32.701852][ T771] Tainted: [W]=WARN [ 32.701853][ T771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.701855][ T771] Call Trace: [ 32.701857][ T771] [ 32.701858][ T771] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.701865][ T771] __might_resched.cold (kernel/sched/core.c:9234) [ 32.701869][ T771] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.701874][ T771] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.701879][ T771] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 32.701882][ T771] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.701888][ T771] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 32.701891][ T771] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.701894][ T771] put_chars (drivers/char/virtio_console.c:1176) [ 32.701897][ T771] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.701899][ T771] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 32.701904][ T771] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 32.701907][ T771] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.701911][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.701913][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.701914][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.701919][ T771] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.701920][ T771] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.701925][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.701929][ T771] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.701932][ T771] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.701934][ T771] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 32.701938][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.701942][ T771] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.701946][ T771] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.701950][ T771] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.701952][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.701957][ T771] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.701960][ T771] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.701962][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.701965][ T771] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.701968][ T771] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.701970][ T771] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.701974][ T771] vprintk_emit (kernel/printk/printk.c:2479) [ 32.701977][ T771] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.701979][ T771] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.701983][ T771] ? __kernel_text_address (kernel/extable.c:79) [ 32.701984][ T771] ? write_profile (profile.c:?) [ 32.701987][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.701992][ T771] _printk (kernel/printk/printk.c:2504) [ 32.701995][ T771] ? snapshot_read.cold (user.c:?) [ 32.702000][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.702001][ T771] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.702004][ T771] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.702008][ T771] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.702010][ T771] ? netdev_notice (net/core/dev.c:13194) [ 32.702012][ T771] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.702014][ T771] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.702017][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.702026][ T771] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.702031][ T771] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.702035][ T771] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 32.702040][ T771] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.702044][ T771] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 32.702047][ T771] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.702054][ T771] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.702058][ T771] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.702064][ T771] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.702069][ T771] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 32.702075][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.702079][ T771] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.702091][ T771] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 32.702096][ T771] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.702102][ T771] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.702106][ T771] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.702108][ T771] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.702114][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.702116][ T771] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.702120][ T771] ? write_profile (profile.c:?) [ 32.702121][ T771] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.702125][ T771] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.702129][ T771] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.702131][ T771] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.702133][ T771] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.702136][ T771] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.702139][ T771] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.702142][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.702148][ T771] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.702151][ T771] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.702154][ T771] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.702157][ T771] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.702164][ T771] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 32.702166][ T771] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 32.702170][ T771] genl_rcv (net/netlink/genetlink.c:1218) [ 32.702173][ T771] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.702177][ T771] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.702180][ T771] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.702184][ T771] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.702189][ T771] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.702193][ T771] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.702198][ T771] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.702202][ T771] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.702205][ T771] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.702207][ T771] ? move_addr_to_kernel (net/socket.c:258) [ 32.702214][ T771] ___sys_sendmsg (net/socket.c:2767) [ 32.702217][ T771] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.702219][ T771] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.702235][ T771] __sys_sendmsg (net/socket.c:2799) [ 32.702238][ T771] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.702244][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.702247][ T771] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.702251][ T771] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.702254][ T771] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.702257][ T771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.702259][ T771] RIP: 0033:0x7faa25fdd54e [ 32.702262][ T771] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 32.702263][ T771] RSP: 002b:00007fffa4ef18d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.702266][ T771] RAX: ffffffffffffffda RBX: 0000000005854130 RCX: 00007faa25fdd54e [ 32.702268][ T771] RDX: 0000000000000000 RSI: 00007fffa4ef1970 RDI: 0000000000000005 [ 32.702269][ T771] RBP: 00007fffa4ef18e0 R08: 0000000000000000 R09: 0000000000000000 [ 32.702269][ T771] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000005854200 [ 32.702270][ T771] R13: 00007fffa4ef1970 R14: 0000000005855260 R15: 000000000040bda8 | [ 35.760914][ T823] softirqs last disabled at (38750): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 35.760918][ T823] Preemption disabled at: | [ 35.760919][ T823] 0x0 | [ 35.760929][ T823] Tainted: [W]=WARN [ 35.760930][ T823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.760932][ T823] Call Trace: [ 35.760934][ T823] [ 35.760935][ T823] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.760942][ T823] __might_resched.cold (kernel/sched/core.c:9234) [ 35.760947][ T823] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.760951][ T823] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.760956][ T823] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.760959][ T823] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.760965][ T823] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.760968][ T823] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.760971][ T823] put_chars (drivers/char/virtio_console.c:1176) [ 35.760974][ T823] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.760978][ T823] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.760982][ T823] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.760984][ T823] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.760989][ T823] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.760992][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.760994][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.760995][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.761000][ T823] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.761001][ T823] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.761006][ T823] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.761010][ T823] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.761014][ T823] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.761015][ T823] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 35.761019][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.761024][ T823] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.761028][ T823] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.761033][ T823] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.761035][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.761040][ T823] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.761043][ T823] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.761045][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.761047][ T823] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.761051][ T823] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.761053][ T823] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.761056][ T823] vprintk_emit (kernel/printk/printk.c:2479) [ 35.761060][ T823] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.761062][ T823] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.761066][ T823] ? __kernel_text_address (kernel/extable.c:79) [ 35.761068][ T823] ? write_profile (profile.c:?) [ 35.761071][ T823] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.761079][ T823] _printk (kernel/printk/printk.c:2504) [ 35.761085][ T823] ? snapshot_read.cold (user.c:?) [ 35.761092][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.761093][ T823] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.761097][ T823] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.761101][ T823] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.761103][ T823] ? netdev_notice (net/core/dev.c:13194) [ 35.761105][ T823] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.761107][ T823] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.761110][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.761116][ T823] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.761122][ T823] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.761126][ T823] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 35.761132][ T823] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.761135][ T823] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 35.761138][ T823] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.761145][ T823] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.761149][ T823] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.761155][ T823] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.761159][ T823] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 35.761163][ T823] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.761166][ T823] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.761177][ T823] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 35.761181][ T823] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.761187][ T823] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.761191][ T823] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.761193][ T823] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.761199][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.761202][ T823] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.761205][ T823] ? write_profile (profile.c:?) [ 35.761207][ T823] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.761211][ T823] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.761214][ T823] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.761217][ T823] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.761219][ T823] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.761222][ T823] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.761225][ T823] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.761228][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.761234][ T823] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.761237][ T823] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.761239][ T823] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.761243][ T823] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.761250][ T823] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 35.761252][ T823] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 35.761257][ T823] genl_rcv (net/netlink/genetlink.c:1218) [ 35.761259][ T823] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.761263][ T823] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.761266][ T823] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.761271][ T823] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.761275][ T823] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.761279][ T823] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.761285][ T823] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.761289][ T823] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.761291][ T823] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.761293][ T823] ? move_addr_to_kernel (net/socket.c:258) [ 35.761301][ T823] ___sys_sendmsg (net/socket.c:2767) [ 35.761304][ T823] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.761305][ T823] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.761327][ T823] __sys_sendmsg (net/socket.c:2799) [ 35.761330][ T823] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.761336][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.761339][ T823] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.761343][ T823] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.761346][ T823] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.761349][ T823] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.761351][ T823] RIP: 0033:0x7f1cf622d54e [ 35.761354][ T823] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 35.761355][ T823] RSP: 002b:00007ffece340da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.761358][ T823] RAX: ffffffffffffffda RBX: 000000001e655130 RCX: 00007f1cf622d54e [ 35.761360][ T823] RDX: 0000000000000000 RSI: 00007ffece340e40 RDI: 0000000000000005 [ 35.761361][ T823] RBP: 00007ffece340db0 R08: 0000000000000000 R09: 0000000000000000 [ 35.761362][ T823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001e655200 [ 35.761362][ T823] R13: 00007ffece340e40 R14: 000000001e656260 R15: 000000000040bda8 | [ 41.967336][ T9] softirqs last disabled at (16882): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 41.967340][ T9] Preemption disabled at: | [ 41.967340][ T9] 0x0 | [ 41.967351][ T9] Tainted: [W]=WARN [ 41.967352][ T9] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.967353][ T9] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.967364][ T9] Call Trace: [ 41.967366][ T9] [ 41.967367][ T9] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.967374][ T9] __might_resched.cold (kernel/sched/core.c:9234) [ 41.967379][ T9] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.967383][ 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) [ 41.967389][ 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)) [ 41.967391][ T9] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.967398][ 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) [ 41.967400][ T9] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.967404][ T9] put_chars (drivers/char/virtio_console.c:1176) [ 41.967407][ T9] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.967412][ T9] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 41.967416][ T9] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.967420][ T9] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.967422][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.967423][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.967427][ T9] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.967430][ T9] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 41.967433][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.967437][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.967441][ T9] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.967445][ T9] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.967447][ 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)) [ 41.967450][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.967453][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.967457][ T9] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.967461][ T9] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.967463][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.967469][ T9] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.967472][ T9] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.967474][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.967476][ T9] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.967480][ T9] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.967482][ T9] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.967485][ T9] vprintk_emit (kernel/printk/printk.c:2479) [ 41.967489][ T9] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.967491][ T9] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 41.967495][ T9] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 41.967500][ T9] _printk (kernel/printk/printk.c:2504) [ 41.967504][ T9] ? snapshot_read.cold (user.c:?) [ 41.967507][ T9] ? write_profile (profile.c:?) [ 41.967511][ T9] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.967514][ T9] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.967518][ T9] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.967520][ T9] ? netdev_notice (net/core/dev.c:13194) [ 41.967521][ T9] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.967526][ T9] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.967529][ T9] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.967532][ T9] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.967535][ T9] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 41.967541][ T9] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 41.967548][ T9] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 41.967552][ T9] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 41.967555][ T9] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.967558][ T9] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.967562][ T9] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 41.967567][ T9] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 41.967570][ T9] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.967575][ T9] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 41.967580][ T9] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 41.967583][ T9] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 41.967586][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.967588][ T9] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.967590][ T9] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.967594][ T9] process_one_work (kernel/workqueue.c:3387) [ 41.967601][ T9] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.967604][ T9] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.967612][ T9] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.967619][ T9] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.967621][ T9] kthread (kernel/kthread.c:436) [ 41.967624][ T9] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.967627][ T9] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.967630][ T9] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.967634][ T9] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.967637][ T9] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.967641][ T9] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.967643][ T9] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.152462][ T34] softirqs last disabled at (45412): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 47.152466][ T34] Preemption disabled at: | [ 47.152466][ T34] 0x0 | [ 47.152477][ T34] Tainted: [W]=WARN [ 47.152478][ T34] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.152479][ T34] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.152484][ T34] Call Trace: [ 47.152486][ T34] [ 47.152488][ T34] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.152494][ T34] __might_resched.cold (kernel/sched/core.c:9234) [ 47.152499][ T34] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.152503][ T34] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.152509][ T34] __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)) [ 47.152511][ T34] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.152517][ T34] ? 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) [ 47.152520][ T34] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.152524][ T34] put_chars (drivers/char/virtio_console.c:1176) [ 47.152526][ T34] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 47.152528][ T34] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.152532][ T34] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.152536][ T34] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.152539][ T34] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.152543][ T34] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.152546][ T34] ? mark_usage (kernel/locking/lockdep.c:4690) [ 47.152549][ T34] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.152550][ T34] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.152554][ T34] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.152556][ T34] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 47.152560][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.152563][ T34] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.152567][ T34] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.152571][ T34] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.152573][ T34] ? 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)) [ 47.152576][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.152579][ T34] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.152583][ T34] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.152587][ T34] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.152589][ T34] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.152594][ T34] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.152597][ T34] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.152599][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.152601][ T34] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.152605][ T34] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.152607][ T34] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.152611][ T34] vprintk_emit (kernel/printk/printk.c:2479) [ 47.152614][ T34] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.152618][ T34] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.152622][ T34] _printk (kernel/printk/printk.c:2504) [ 47.152626][ T34] ? snapshot_read.cold (user.c:?) [ 47.152628][ T34] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 47.152631][ T34] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 47.152634][ T34] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.152637][ T34] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.152640][ T34] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.152643][ T34] ? netdev_notice (net/core/dev.c:13194) [ 47.152648][ T34] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 47.152654][ T34] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 47.152660][ T34] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 47.152663][ T34] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 47.152666][ T34] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 47.152667][ T34] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 47.152673][ T34] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 47.152677][ T34] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 47.152680][ T34] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.152682][ T34] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 47.152687][ T34] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 47.152691][ T34] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 47.152694][ T34] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.152699][ T34] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 47.152704][ T34] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.152707][ T34] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 47.152710][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.152712][ T34] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.152714][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.152718][ T34] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.152720][ T34] process_one_work (kernel/workqueue.c:3387) [ 47.152726][ T34] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.152729][ T34] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.152737][ T34] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.152744][ T34] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.152747][ T34] kthread (kernel/kthread.c:436) [ 47.152749][ T34] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.152752][ T34] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.152755][ T34] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.152760][ T34] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.152763][ T34] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.152766][ T34] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: 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