====================================== | [ 30.115571][ T661] softirqs last disabled at (6012857): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 30.115574][ T661] Preemption disabled at: | [ 30.115574][ T661] 0x0 | [ 30.115585][ T661] Tainted: [W]=WARN [ 30.115586][ T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.115587][ T661] Call Trace: [ 30.115589][ T661] [ 30.115591][ T661] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.115597][ T661] __might_resched.cold (kernel/sched/core.c:9234) [ 30.115601][ T661] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.115605][ T661] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.115610][ T661] __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)) [ 30.115613][ T661] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.115619][ T661] ? 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) [ 30.115621][ T661] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.115624][ T661] put_chars (drivers/char/virtio_console.c:1176) [ 30.115627][ T661] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 30.115629][ T661] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.115632][ T661] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.115637][ T661] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.115639][ T661] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.115643][ T661] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.115646][ T661] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.115648][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.115649][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.115653][ T661] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.115655][ T661] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 30.115658][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.115661][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.115664][ T661] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.115668][ T661] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.115670][ T661] ? 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)) [ 30.115673][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.115675][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.115679][ T661] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.115683][ T661] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.115684][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.115689][ T661] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.115692][ T661] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.115694][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.115696][ T661] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.115700][ T661] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.115701][ T661] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.115705][ T661] vprintk_emit (kernel/printk/printk.c:2479) [ 30.115708][ T661] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.115712][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.115715][ T661] _printk (kernel/printk/printk.c:2504) [ 30.115719][ T661] ? snapshot_read.cold (user.c:?) [ 30.115721][ T661] ? 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) [ 30.115724][ T661] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.115727][ T661] ? 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) [ 30.115730][ T661] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 30.115734][ T661] ? exit_notify (kernel/exit.c:780) [ 30.115739][ T661] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 30.115740][ T661] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 30.115743][ T661] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.115747][ T661] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.115749][ T661] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.115752][ T661] RIP: 0033:0x7fce27a3ac49 [ 30.115754][ T661] Code: Unable to access opcode bytes at 0x7fce27a3ac1f. Code starting with the faulting instruction =========================================== [ 30.115755][ T661] RSP: 002b:00007fce271f9e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.115758][ T661] RAX: ffffffffffffffda RBX: 00007fce271fa6c0 RCX: 00007fce27a3ac49 [ 30.115759][ T661] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 30.115760][ T661] RBP: 00007fce271f9f70 R08: 0000000000000001 R09: 00007fce271fa6c0 [ 30.115761][ T661] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fce269fa000 [ 30.115762][ T661] R13: 00007fffdbd48020 R14: 0000000000000002 R15: 00007fffdbd48127 | [ 32.032757][ T755] softirqs last disabled at (30440): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 32.032761][ T755] Preemption disabled at: | [ 32.032761][ T755] 0x0 | [ 32.032772][ T755] Tainted: [W]=WARN [ 32.032773][ T755] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.032774][ T755] Call Trace: [ 32.032776][ T755] [ 32.032778][ T755] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.032784][ T755] __might_resched.cold (kernel/sched/core.c:9234) [ 32.032789][ T755] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.032793][ T755] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.032798][ T755] __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)) [ 32.032801][ T755] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.032807][ T755] ? 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) [ 32.032809][ T755] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.032813][ T755] put_chars (drivers/char/virtio_console.c:1176) [ 32.032816][ T755] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.032818][ T755] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 32.032822][ T755] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 32.032831][ T755] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.032834][ T755] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.032836][ T755] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.032838][ T755] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.032843][ T755] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.032844][ T755] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.032849][ T755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.032853][ T755] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.032857][ T755] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.032859][ T755] ? 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)) [ 32.032862][ T755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.032866][ T755] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.032870][ T755] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.032874][ T755] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.032876][ T755] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.032881][ T755] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.032884][ T755] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.032886][ T755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.032889][ T755] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.032892][ T755] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.032894][ T755] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.032898][ T755] vprintk_emit (kernel/printk/printk.c:2479) [ 32.032901][ T755] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.032903][ T755] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.032906][ T755] ? __kernel_text_address (kernel/extable.c:79) [ 32.032908][ T755] ? write_profile (profile.c:?) [ 32.032911][ T755] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.032916][ T755] _printk (kernel/printk/printk.c:2504) [ 32.032919][ T755] ? snapshot_read.cold (user.c:?) [ 32.032923][ T755] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.032925][ T755] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.032928][ T755] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.032932][ T755] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.032934][ T755] ? netdev_notice (net/core/dev.c:13194) [ 32.032935][ T755] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.032938][ T755] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.032941][ T755] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.032947][ T755] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.032952][ T755] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.032956][ T755] ? 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 [ 32.032961][ T755] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.032965][ T755] ? 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) [ 32.032968][ T755] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.032974][ T755] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.032978][ T755] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.032985][ T755] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.032988][ T755] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 32.032992][ T755] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.032995][ T755] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.033006][ T755] ? 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 [ 32.033011][ T755] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.033017][ T755] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.033020][ T755] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.033022][ T755] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.033028][ T755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.033031][ T755] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.033035][ T755] ? write_profile (profile.c:?) [ 32.033036][ T755] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.033039][ T755] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.033043][ T755] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.033046][ T755] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.033048][ T755] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.033051][ T755] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.033054][ T755] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.033057][ T755] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.033063][ T755] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.033066][ T755] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.033069][ T755] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.033072][ T755] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.033080][ T755] ? 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)) [ 32.033082][ T755] ? 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)) [ 32.033086][ T755] genl_rcv (net/netlink/genetlink.c:1218) [ 32.033088][ T755] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.033093][ T755] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.033096][ T755] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.033100][ T755] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.033105][ T755] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.033109][ T755] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.033115][ T755] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.033119][ T755] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.033121][ T755] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.033123][ T755] ? move_addr_to_kernel (net/socket.c:258) [ 32.033131][ T755] ___sys_sendmsg (net/socket.c:2767) [ 32.033134][ T755] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.033136][ T755] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.033152][ T755] __sys_sendmsg (net/socket.c:2799) [ 32.033155][ T755] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.033161][ T755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.033164][ T755] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.033168][ T755] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.033171][ T755] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.033174][ T755] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.033176][ T755] RIP: 0033:0x7f54a0a3954e [ 32.033178][ T755] 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 [ 32.033180][ T755] RSP: 002b:00007fff08d78530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.033183][ T755] RAX: ffffffffffffffda RBX: 0000000002851130 RCX: 00007f54a0a3954e [ 32.033185][ T755] RDX: 0000000000000000 RSI: 00007fff08d785d0 RDI: 0000000000000005 [ 32.033186][ T755] RBP: 00007fff08d78540 R08: 0000000000000000 R09: 0000000000000000 [ 32.033187][ T755] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000002851200 [ 32.033187][ T755] R13: 00007fff08d785d0 R14: 0000000002852260 R15: 000000000040bda8 | [ 35.363040][ T807] softirqs last disabled at (32980): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 35.363045][ T807] Preemption disabled at: | [ 35.363046][ T807] 0x0 | [ 35.363059][ T807] Tainted: [W]=WARN [ 35.363061][ T807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.363063][ T807] Call Trace: [ 35.363065][ T807] [ 35.363067][ T807] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.363076][ T807] __might_resched.cold (kernel/sched/core.c:9234) [ 35.363082][ T807] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.363088][ T807] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.363096][ T807] __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)) [ 35.363100][ T807] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.363109][ T807] ? 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) [ 35.363113][ T807] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.363119][ T807] put_chars (drivers/char/virtio_console.c:1176) [ 35.363122][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.363128][ T807] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.363133][ T807] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.363137][ T807] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.363141][ T807] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.363148][ T807] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.363152][ T807] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.363155][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.363157][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.363165][ T807] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.363167][ T807] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.363175][ T807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.363183][ T807] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.363189][ T807] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.363192][ T807] ? 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)) [ 35.363197][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.363201][ T807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.363208][ T807] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.363216][ T807] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.363218][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.363228][ T807] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.363233][ T807] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.363235][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.363239][ T807] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.363246][ T807] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.363249][ T807] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.363255][ T807] vprintk_emit (kernel/printk/printk.c:2479) [ 35.363261][ T807] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.363264][ T807] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.363269][ T807] ? __kernel_text_address (kernel/extable.c:79) [ 35.363271][ T807] ? write_profile (profile.c:?) [ 35.363280][ T807] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.363288][ T807] _printk (kernel/printk/printk.c:2504) [ 35.363293][ T807] ? snapshot_read.cold (user.c:?) [ 35.363301][ T807] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.363303][ T807] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.363308][ T807] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.363314][ T807] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.363318][ T807] ? netdev_notice (net/core/dev.c:13194) [ 35.363320][ T807] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.363325][ T807] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.363330][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.363341][ T807] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.363350][ T807] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.363357][ T807] ? 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 [ 35.363367][ T807] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.363374][ T807] ? 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) [ 35.363378][ T807] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.363390][ T807] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.363397][ T807] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.363410][ T807] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.363415][ T807] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 35.363421][ T807] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.363426][ T807] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.363445][ T807] ? 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 [ 35.363453][ T807] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.363464][ T807] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.363470][ T807] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.363474][ T807] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.363484][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.363488][ T807] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.363493][ T807] ? write_profile (profile.c:?) [ 35.363495][ T807] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.363502][ T807] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.363508][ T807] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.363512][ T807] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.363515][ T807] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.363520][ T807] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.363525][ T807] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.363531][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.363541][ T807] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.363547][ T807] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.363550][ T807] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.363556][ T807] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.363569][ T807] ? 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)) [ 35.363572][ T807] ? 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)) [ 35.363580][ T807] genl_rcv (net/netlink/genetlink.c:1218) [ 35.363583][ T807] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.363591][ T807] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.363595][ T807] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.363603][ T807] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.363610][ T807] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.363618][ T807] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.363627][ T807] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.363632][ T807] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.363636][ T807] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.363639][ T807] ? move_addr_to_kernel (net/socket.c:258) [ 35.363653][ T807] ___sys_sendmsg (net/socket.c:2767) [ 35.363658][ T807] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.363661][ T807] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.363692][ T807] __sys_sendmsg (net/socket.c:2799) [ 35.363697][ T807] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.363708][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.363711][ T807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.363718][ T807] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.363722][ T807] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.363727][ T807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.363730][ T807] RIP: 0033:0x7fb58672e54e [ 35.363734][ T807] 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 [ 35.363736][ T807] RSP: 002b:00007ffd184a9dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.363741][ T807] RAX: ffffffffffffffda RBX: 0000000006122130 RCX: 00007fb58672e54e [ 35.363743][ T807] RDX: 0000000000000000 RSI: 00007ffd184a9e70 RDI: 0000000000000005 [ 35.363744][ T807] RBP: 00007ffd184a9de0 R08: 0000000000000000 R09: 0000000000000000 [ 35.363746][ T807] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000006122200 [ 35.363748][ T807] R13: 00007ffd184a9e70 R14: 0000000006123260 R15: 000000000040bda8 | [ 41.717359][ T10] softirqs last disabled at (46236): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 41.717365][ T10] Preemption disabled at: | [ 41.717366][ T10] 0x0 | [ 41.717378][ T10] Tainted: [W]=WARN [ 41.717379][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.717382][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 41.717389][ T10] Call Trace: [ 41.717391][ T10] [ 41.717393][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.717401][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 41.717407][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.717413][ 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) [ 41.717421][ 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)) [ 41.717425][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.717434][ 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) [ 41.717437][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.717443][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 41.717447][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.717455][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 41.717461][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.717466][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 41.717469][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.717471][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.717477][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.717481][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 41.717486][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.717491][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.717498][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.717504][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.717506][ 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)) [ 41.717511][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.717515][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.717522][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.717528][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.717531][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.717540][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.717544][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.717547][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.717550][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.717556][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.717558][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.717564][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 41.717570][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.717575][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.717577][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.717583][ T10] _printk (kernel/printk/printk.c:2504) [ 41.717588][ T10] ? snapshot_read.cold (user.c:?) [ 41.717593][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 41.717597][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 41.717601][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.717606][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.717611][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.717615][ T10] ? netdev_notice (net/core/dev.c:13194) [ 41.717617][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.717623][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.717628][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 41.717632][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 41.717638][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 41.717647][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 41.717659][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 41.717666][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 41.717670][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.717674][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 41.717682][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 41.717689][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 41.717694][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.717703][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 41.717710][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 41.717715][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 41.717720][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.717723][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.717726][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.717733][ T10] process_one_work (kernel/workqueue.c:3387) [ 41.717745][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.717749][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.717762][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.717769][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.717772][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 41.717777][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.717782][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.717784][ T10] kthread (kernel/kthread.c:436) [ 41.717787][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.717791][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.717796][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.717802][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.717807][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.717811][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.717816][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.966737][ T66] softirqs last disabled at (38520): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 46.966741][ T66] Preemption disabled at: | [ 46.966741][ T66] 0x0 | [ 46.966753][ T66] Tainted: [W]=WARN [ 46.966754][ T66] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.966756][ T66] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 46.966761][ T66] Call Trace: [ 46.966763][ T66] [ 46.966765][ T66] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.966772][ T66] __might_resched.cold (kernel/sched/core.c:9234) [ 46.966776][ T66] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.966780][ T66] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.966785][ T66] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.966788][ T66] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.966794][ T66] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.966796][ T66] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.966800][ T66] put_chars (drivers/char/virtio_console.c:1176) [ 46.966802][ T66] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 46.966804][ T66] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.966807][ T66] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 46.966812][ T66] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 46.966815][ T66] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 46.966818][ T66] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.966825][ T66] ? mark_usage (kernel/locking/lockdep.c:4690) [ 46.966827][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.966828][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.966832][ T66] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.966835][ T66] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 46.966838][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.966840][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.966844][ T66] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.966848][ T66] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.966850][ T66] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 46.966853][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.966855][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.966859][ T66] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.966863][ T66] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.966865][ T66] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.966870][ T66] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.966873][ T66] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.966875][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.966877][ T66] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.966881][ T66] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.966882][ T66] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.966886][ T66] vprintk_emit (kernel/printk/printk.c:2479) [ 46.966890][ T66] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.966893][ T66] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.966897][ T66] _printk (kernel/printk/printk.c:2504) [ 46.966900][ T66] ? snapshot_read.cold (user.c:?) [ 46.966902][ T66] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 46.966905][ T66] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 46.966908][ T66] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.966911][ T66] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.966914][ T66] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.966917][ T66] ? netdev_notice (net/core/dev.c:13194) [ 46.966921][ T66] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 46.966927][ T66] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 46.966932][ T66] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 46.966936][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.966938][ T66] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 46.966940][ T66] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 46.966945][ T66] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 46.966949][ T66] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 46.966952][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.966954][ T66] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 46.966958][ T66] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 46.966962][ T66] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 46.966965][ T66] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.966971][ T66] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 46.966975][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.966977][ T66] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 46.966980][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.966983][ T66] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.966984][ T66] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.966988][ T66] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 46.966990][ T66] process_one_work (kernel/workqueue.c:3387) [ 46.966996][ T66] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.966999][ T66] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.967006][ T66] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.967010][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.967012][ T66] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 46.967015][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.967018][ T66] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.967020][ T66] kthread (kernel/kthread.c:436) [ 46.967022][ T66] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.967025][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.967028][ T66] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.967032][ T66] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.967035][ T66] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.967038][ T66] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print ovpn_peer_keepalive_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print