====================================== | [ 35.577572][ T680] softirqs last disabled at (3804685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 35.577575][ T680] Preemption disabled at: | [ 35.577576][ T680] 0x0 | [ 35.577590][ T680] Tainted: [W]=WARN [ 35.577592][ T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.577594][ T680] Call Trace: [ 35.577596][ T680] [ 35.577598][ T680] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.577607][ T680] __might_resched.cold (kernel/sched/core.c:9234) [ 35.577613][ T680] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.577619][ T680] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.577627][ T680] __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)) [ 35.577631][ T680] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.577640][ T680] ? 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) [ 35.577644][ T680] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.577650][ T680] put_chars (drivers/char/virtio_console.c:1176) [ 35.577653][ T680] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 35.577657][ T680] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.577663][ T680] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.577669][ T680] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.577672][ T680] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.577679][ T680] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.577684][ T680] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.577687][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.577689][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.577696][ T680] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.577700][ T680] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.577706][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.577710][ T680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.577717][ T680] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.577724][ T680] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.577727][ T680] ? 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)) [ 35.577732][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.577736][ T680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.577744][ T680] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.577751][ T680] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.577754][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.577764][ T680] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.577768][ T680] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.577771][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.577775][ T680] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.577782][ T680] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.577785][ T680] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.577790][ T680] vprintk_emit (kernel/printk/printk.c:2479) [ 35.577797][ T680] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.577803][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.577810][ T680] _printk (kernel/printk/printk.c:2504) [ 35.577815][ T680] ? snapshot_read.cold (user.c:?) [ 35.577820][ T680] ? 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) [ 35.577824][ T680] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.577831][ T680] ? 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) [ 35.577836][ T680] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 35.577841][ T680] ? exit_notify (kernel/exit.c:780) [ 35.577852][ T680] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 35.577855][ T680] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 35.577859][ T680] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.577864][ T680] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.577868][ T680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.577872][ T680] RIP: 0033:0x7f51f7e30c49 [ 35.577875][ T680] Code: Unable to access opcode bytes at 0x7f51f7e30c1f. Code starting with the faulting instruction =========================================== [ 35.577877][ T680] RSP: 002b:00007f51f75efe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 35.577881][ T680] RAX: ffffffffffffffda RBX: 00007f51f75f06c0 RCX: 00007f51f7e30c49 [ 35.577883][ T680] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 35.577884][ T680] RBP: 00007f51f75eff70 R08: 0000000000000001 R09: 00007f51f75f06c0 [ 35.577886][ T680] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f51f6df0000 [ 35.577887][ T680] R13: 00007ffdcb385b90 R14: 0000000000000002 R15: 00007ffdcb385c97 | [ 37.833924][ T775] softirqs last disabled at (52380): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 37.833927][ T775] Preemption disabled at: | [ 37.833928][ T775] 0x0 | [ 37.833939][ T775] Tainted: [W]=WARN [ 37.833940][ T775] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.833942][ T775] Call Trace: [ 37.833944][ T775] [ 37.833945][ T775] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.833952][ T775] __might_resched.cold (kernel/sched/core.c:9234) [ 37.833957][ T775] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.833961][ T775] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.833966][ T775] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.833969][ T775] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.833975][ T775] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.833977][ T775] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.833981][ T775] put_chars (drivers/char/virtio_console.c:1176) [ 37.833986][ T775] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.833988][ T775] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 37.833992][ T775] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 37.833996][ T775] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.834000][ T775] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.834002][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.834003][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.834008][ T775] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.834009][ T775] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.834014][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.834018][ T775] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.834021][ T775] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.834023][ T775] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 37.834027][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.834031][ T775] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.834035][ T775] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.834039][ T775] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.834041][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.834047][ T775] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.834050][ T775] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.834052][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.834054][ T775] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.834058][ T775] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.834060][ T775] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.834063][ T775] vprintk_emit (kernel/printk/printk.c:2479) [ 37.834067][ T775] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.834069][ T775] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.834072][ T775] ? __kernel_text_address (kernel/extable.c:79) [ 37.834073][ T775] ? write_profile (profile.c:?) [ 37.834076][ T775] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.834081][ T775] _printk (kernel/printk/printk.c:2504) [ 37.834084][ T775] ? snapshot_read.cold (user.c:?) [ 37.834089][ T775] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.834090][ T775] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.834094][ T775] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.834097][ T775] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.834099][ T775] ? netdev_notice (net/core/dev.c:13194) [ 37.834101][ T775] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.834104][ T775] ? mark_usage (kernel/locking/lockdep.c:4690) [ 37.834107][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.834113][ T775] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 37.834118][ T775] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 37.834122][ T775] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 37.834128][ T775] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 37.834131][ T775] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 37.834134][ T775] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 37.834141][ T775] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 37.834145][ T775] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 37.834151][ T775] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 37.834155][ T775] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 37.834159][ T775] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.834162][ T775] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 37.834173][ T775] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 37.834177][ T775] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 37.834183][ T775] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 37.834187][ T775] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 37.834189][ T775] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.834195][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.834198][ T775] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 37.834201][ T775] ? write_profile (profile.c:?) [ 37.834203][ T775] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 37.834207][ T775] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 37.834210][ T775] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 37.834213][ T775] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.834215][ T775] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 37.834218][ T775] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 37.834221][ T775] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 37.834224][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.834230][ T775] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 37.834234][ T775] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.834236][ T775] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 37.834239][ T775] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.834247][ T775] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 37.834249][ T775] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 37.834253][ T775] genl_rcv (net/netlink/genetlink.c:1218) [ 37.834255][ T775] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.834260][ T775] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.834263][ T775] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.834267][ T775] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.834271][ T775] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.834276][ T775] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.834281][ T775] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.834285][ T775] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.834288][ T775] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.834290][ T775] ? move_addr_to_kernel (net/socket.c:258) [ 37.834298][ T775] ___sys_sendmsg (net/socket.c:2767) [ 37.834301][ T775] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.834303][ T775] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 37.834319][ T775] __sys_sendmsg (net/socket.c:2799) [ 37.834322][ T775] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.834328][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.834331][ T775] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.834335][ T775] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.834338][ T775] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.834341][ T775] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.834343][ T775] RIP: 0033:0x7f0abf7ae54e [ 37.834346][ T775] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 37.834348][ T775] RSP: 002b:00007fff5c850870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.834350][ T775] RAX: ffffffffffffffda RBX: 00000000330e3130 RCX: 00007f0abf7ae54e [ 37.834352][ T775] RDX: 0000000000000000 RSI: 00007fff5c850910 RDI: 0000000000000005 [ 37.834353][ T775] RBP: 00007fff5c850880 R08: 0000000000000000 R09: 0000000000000000 [ 37.834354][ T775] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000330e3200 [ 37.834355][ T775] R13: 00007fff5c850910 R14: 00000000330e4260 R15: 000000000040bda8 | [ 41.132091][ T827] softirqs last disabled at (35670): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 41.132094][ T827] Preemption disabled at: | [ 41.132095][ T827] 0x0 | [ 41.132105][ T827] Tainted: [W]=WARN [ 41.132106][ T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.132108][ T827] Call Trace: [ 41.132109][ T827] [ 41.132111][ T827] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.132117][ T827] __might_resched.cold (kernel/sched/core.c:9234) [ 41.132122][ T827] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.132126][ T827] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.132131][ T827] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.132134][ T827] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.132139][ T827] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.132142][ T827] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.132145][ T827] put_chars (drivers/char/virtio_console.c:1176) [ 41.132149][ T827] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.132152][ T827] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.132156][ T827] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.132158][ T827] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 41.132162][ T827] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.132165][ T827] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.132167][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.132169][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.132173][ T827] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.132175][ T827] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.132179][ T827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.132183][ T827] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.132187][ T827] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.132189][ T827] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 41.132192][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.132195][ T827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.132199][ T827] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.132203][ T827] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.132205][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.132210][ T827] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.132213][ T827] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.132215][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.132218][ T827] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.132221][ T827] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.132223][ T827] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.132227][ T827] vprintk_emit (kernel/printk/printk.c:2479) [ 41.132230][ T827] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.132232][ T827] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.132236][ T827] ? __kernel_text_address (kernel/extable.c:79) [ 41.132237][ T827] ? write_profile (profile.c:?) [ 41.132239][ T827] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 41.132244][ T827] _printk (kernel/printk/printk.c:2504) [ 41.132248][ T827] ? snapshot_read.cold (user.c:?) [ 41.132252][ T827] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.132254][ T827] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.132257][ T827] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.132261][ T827] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.132263][ T827] ? netdev_notice (net/core/dev.c:13194) [ 41.132265][ T827] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.132267][ T827] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.132270][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.132276][ T827] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 41.132281][ T827] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 41.132285][ T827] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 41.132291][ T827] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 41.132295][ T827] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 41.132298][ T827] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 41.132304][ T827] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 41.132309][ T827] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 41.132315][ T827] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 41.132318][ T827] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 41.132322][ T827] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 41.132325][ T827] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 41.132336][ T827] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 41.132341][ T827] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 41.132347][ T827] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 41.132350][ T827] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 41.132355][ T827] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.132361][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.132363][ T827] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.132367][ T827] ? write_profile (profile.c:?) [ 41.132368][ T827] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 41.132372][ T827] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 41.132376][ T827] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 41.132378][ T827] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.132380][ T827] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 41.132383][ T827] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 41.132386][ T827] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 41.132389][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.132395][ T827] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 41.132398][ T827] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.132400][ T827] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 41.132404][ T827] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.132411][ T827] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 41.132413][ T827] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 41.132417][ T827] genl_rcv (net/netlink/genetlink.c:1218) [ 41.132420][ T827] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.132424][ T827] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.132427][ T827] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.132431][ T827] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.132435][ T827] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.132440][ T827] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 41.132445][ T827] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.132449][ T827] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.132451][ T827] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.132453][ T827] ? move_addr_to_kernel (net/socket.c:258) [ 41.132461][ T827] ___sys_sendmsg (net/socket.c:2767) [ 41.132464][ T827] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.132466][ T827] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 41.132481][ T827] __sys_sendmsg (net/socket.c:2799) [ 41.132485][ T827] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.132490][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.132493][ T827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.132496][ T827] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.132499][ T827] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.132502][ T827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.132505][ T827] RIP: 0033:0x7fe3d8f6354e [ 41.132507][ T827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 41.132509][ T827] RSP: 002b:00007fffe8e3aa00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.132511][ T827] RAX: ffffffffffffffda RBX: 000000001fde2130 RCX: 00007fe3d8f6354e [ 41.132513][ T827] RDX: 0000000000000000 RSI: 00007fffe8e3aaa0 RDI: 0000000000000005 [ 41.132514][ T827] RBP: 00007fffe8e3aa10 R08: 0000000000000000 R09: 0000000000000000 [ 41.132514][ T827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001fde2200 [ 41.132515][ T827] R13: 00007fffe8e3aaa0 R14: 000000001fde3260 R15: 000000000040bda8 | [ 47.879889][ T10] softirqs last disabled at (28000): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 47.879895][ T10] Preemption disabled at: | [ 47.879896][ T10] 0x0 | [ 47.879909][ T10] Tainted: [W]=WARN [ 47.879910][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.879913][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 47.879920][ T10] Call Trace: [ 47.879923][ T10] [ 47.879926][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.879934][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 47.879941][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.879947][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.879954][ T10] __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)) [ 47.879959][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.879975][ T10] ? 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) [ 47.879978][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.879984][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 47.879989][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.879998][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 47.880005][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.880010][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 47.880013][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.880016][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.880023][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.880027][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 47.880032][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.880038][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.880045][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.880052][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.880054][ T10] ? 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)) [ 47.880060][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.880064][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.880071][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.880078][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.880081][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.880090][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.880095][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.880098][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.880101][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 47.880108][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.880110][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.880116][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 47.880122][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.880128][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.880130][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.880137][ T10] _printk (kernel/printk/printk.c:2504) [ 47.880142][ T10] ? snapshot_read.cold (user.c:?) [ 47.880148][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.880152][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.880157][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.880163][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.880167][ T10] ? netdev_notice (net/core/dev.c:13194) [ 47.880175][ T10] ? debug_object_free (lib/debugobjects.c:1033) [ 47.880180][ T10] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.880183][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.880188][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.880195][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 47.880205][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 47.880218][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 47.880225][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 47.880230][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.880234][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 47.880242][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 47.880249][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 47.880255][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 47.880265][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 47.880273][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 47.880278][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 47.880284][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.880287][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.880290][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.880297][ T10] process_one_work (kernel/workqueue.c:3387) [ 47.880309][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 47.880314][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.880328][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 47.880336][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.880339][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 47.880345][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.880355][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 47.880359][ T10] kthread (kernel/kthread.c:436) [ 47.880362][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 47.880366][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.880371][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 47.880377][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 47.880382][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 47.880387][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 47.880392][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 53.129045][ T34] softirqs last disabled at (34324): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 53.129048][ T34] Preemption disabled at: | [ 53.129049][ T34] 0x0 | [ 53.129060][ T34] Tainted: [W]=WARN [ 53.129061][ T34] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.129063][ T34] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 53.129068][ T34] Call Trace: [ 53.129069][ T34] [ 53.129072][ T34] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.129078][ T34] __might_resched.cold (kernel/sched/core.c:9234) [ 53.129083][ T34] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.129087][ 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) [ 53.129092][ 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)) [ 53.129095][ T34] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.129101][ 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) [ 53.129104][ T34] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.129108][ T34] put_chars (drivers/char/virtio_console.c:1176) [ 53.129110][ T34] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 53.129112][ T34] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.129115][ T34] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.129120][ T34] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.129122][ T34] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.129126][ T34] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.129129][ T34] ? mark_usage (kernel/locking/lockdep.c:4690) [ 53.129131][ T34] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.129133][ T34] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.129137][ T34] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.129140][ T34] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 53.129143][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.129146][ T34] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.129150][ T34] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.129154][ T34] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.129156][ 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)) [ 53.129159][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.129162][ T34] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.129166][ T34] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.129171][ T34] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.129173][ T34] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.129179][ T34] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.129182][ T34] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.129184][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.129186][ T34] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 53.129190][ T34] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.129192][ T34] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.129196][ T34] vprintk_emit (kernel/printk/printk.c:2479) [ 53.129200][ T34] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.129203][ T34] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.129208][ T34] _printk (kernel/printk/printk.c:2504) [ 53.129211][ T34] ? snapshot_read.cold (user.c:?) [ 53.129213][ T34] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 53.129216][ T34] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 53.129219][ T34] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 53.129222][ T34] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 53.129226][ T34] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 53.129228][ T34] ? netdev_notice (net/core/dev.c:13194) [ 53.129234][ T34] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 53.129240][ T34] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 53.129246][ T34] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 53.129250][ T34] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 53.129254][ T34] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 53.129256][ T34] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 53.129262][ T34] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 53.129267][ T34] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 53.129270][ T34] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.129273][ T34] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 53.129277][ T34] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 53.129282][ T34] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 53.129286][ T34] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.129291][ T34] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 53.129296][ T34] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 53.129299][ T34] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 53.129303][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.129305][ T34] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.129307][ T34] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.129311][ T34] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 53.129313][ T34] process_one_work (kernel/workqueue.c:3387) [ 53.129320][ T34] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 53.129323][ T34] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.129332][ T34] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 53.129340][ T34] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 53.129342][ T34] kthread (kernel/kthread.c:436) [ 53.129345][ T34] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.129348][ T34] ? kthread_affine_preferred (kernel/kthread.c:857) [ 53.129355][ T34] ret_from_fork (arch/x86/kernel/process.c:158) [ 53.129359][ T34] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 53.129364][ T34] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 53.129367][ T34] ? 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