====================================== | [ 27.573657][ T678] softirqs last disabled at (2700909): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.573659][ T678] Preemption disabled at: | [ 27.573660][ T678] 0x0 | [ 27.573671][ T678] Tainted: [W]=WARN [ 27.573672][ T678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.573673][ T678] Call Trace: [ 27.573675][ T678] [ 27.573676][ T678] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.573682][ T678] __might_resched.cold (kernel/sched/core.c:9234) [ 27.573687][ T678] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.573691][ T678] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.573697][ T678] __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)) [ 27.573700][ T678] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.573705][ T678] ? 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) [ 27.573708][ T678] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.573711][ T678] put_chars (drivers/char/virtio_console.c:1176) [ 27.573714][ T678] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 27.573716][ T678] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.573719][ T678] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.573723][ T678] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.573725][ T678] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.573729][ T678] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.573732][ T678] ? mark_usage (kernel/locking/lockdep.c:4690) [ 27.573734][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.573736][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.573739][ T678] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.573742][ T678] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 27.573745][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.573747][ T678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.573751][ T678] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.573755][ T678] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.573756][ T678] ? 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)) [ 27.573759][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.573762][ T678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.573766][ T678] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.573770][ T678] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.573771][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.573776][ T678] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.573779][ T678] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.573781][ T678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.573783][ T678] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.573787][ T678] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.573789][ T678] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.573792][ T678] vprintk_emit (kernel/printk/printk.c:2479) [ 27.573796][ T678] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.573799][ T678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.573802][ T678] _printk (kernel/printk/printk.c:2504) [ 27.573806][ T678] ? snapshot_read.cold (user.c:?) [ 27.573809][ T678] ? 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) [ 27.573811][ T678] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.573815][ T678] ? 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) [ 27.573818][ T678] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.573821][ T678] ? exit_notify (kernel/exit.c:780) [ 27.573826][ T678] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 27.573828][ T678] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 27.573831][ T678] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.573835][ T678] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.573837][ T678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.573840][ T678] RIP: 0033:0x7ff994ab0c49 [ 27.573842][ T678] Code: Unable to access opcode bytes at 0x7ff994ab0c1f. Code starting with the faulting instruction =========================================== [ 27.573843][ T678] RSP: 002b:00007ff99426fe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 27.573846][ T678] RAX: ffffffffffffffda RBX: 00007ff9942706c0 RCX: 00007ff994ab0c49 [ 27.573847][ T678] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 27.573848][ T678] RBP: 00007ff99426ff70 R08: 0000000000000001 R09: 00007ff9942706c0 [ 27.573849][ T678] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ff993a70000 [ 27.573850][ T678] R13: 00007fff528e7f40 R14: 0000000000000002 R15: 00007fff528e8047 | [ 29.512803][ T772] softirqs last disabled at (36054): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 29.512807][ T772] Preemption disabled at: | [ 29.512807][ T772] 0x0 | [ 29.512818][ T772] Tainted: [W]=WARN [ 29.512819][ T772] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.512820][ T772] Call Trace: [ 29.512822][ T772] [ 29.512823][ T772] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.512830][ T772] __might_resched.cold (kernel/sched/core.c:9234) [ 29.512834][ T772] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.512838][ T772] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.512843][ T772] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.512845][ T772] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.512851][ T772] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.512854][ T772] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.512857][ T772] put_chars (drivers/char/virtio_console.c:1176) [ 29.512860][ T772] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.512862][ T772] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 29.512866][ T772] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 29.512869][ T772] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.512872][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.512874][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.512875][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.512879][ T772] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.512881][ T772] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.512885][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.512889][ T772] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.512897][ T772] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.512899][ T772] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.512902][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.512906][ T772] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.512910][ T772] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.512914][ T772] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.512916][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.512921][ T772] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.512923][ T772] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.512925][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.512927][ T772] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.512931][ T772] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.512933][ T772] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.512936][ T772] vprintk_emit (kernel/printk/printk.c:2479) [ 29.512939][ T772] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.512941][ T772] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.512944][ T772] ? __kernel_text_address (kernel/extable.c:79) [ 29.512946][ T772] ? write_profile (profile.c:?) [ 29.512948][ T772] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.512953][ T772] _printk (kernel/printk/printk.c:2504) [ 29.512957][ T772] ? snapshot_read.cold (user.c:?) [ 29.512961][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.512962][ T772] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.512965][ T772] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.512969][ T772] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.512971][ T772] ? netdev_notice (net/core/dev.c:13194) [ 29.512972][ T772] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.512975][ T772] ? mark_usage (kernel/locking/lockdep.c:4690) [ 29.512978][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.512983][ T772] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 29.512988][ T772] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 29.512992][ T772] ? ovpn_peer_get_by_id (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/peer.c:680 (discriminator 2)) ovpn [ 29.512997][ T772] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 29.513001][ T772] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 29.513003][ T772] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 29.513010][ T772] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 29.513014][ T772] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 29.513020][ T772] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 29.513023][ T772] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 29.513027][ T772] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 29.513030][ T772] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 29.513040][ T772] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) drivers/net/ovpn/netlink.c:67 (discriminator 2)) ovpn [ 29.513044][ T772] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 29.513050][ T772] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 29.513054][ T772] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 29.513056][ T772] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.513061][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.513064][ T772] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 29.513067][ T772] ? write_profile (profile.c:?) [ 29.513068][ T772] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.513072][ T772] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 29.513075][ T772] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 29.513078][ T772] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.513080][ T772] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 29.513082][ T772] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 29.513085][ T772] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 29.513088][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.513094][ T772] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 29.513097][ T772] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.513099][ T772] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 29.513102][ T772] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.513109][ T772] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 29.513111][ T772] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 29.513115][ T772] genl_rcv (net/netlink/genetlink.c:1218) [ 29.513117][ T772] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.513121][ T772] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.513124][ T772] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.513128][ T772] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.513132][ T772] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.513136][ T772] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 29.513142][ T772] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.513145][ T772] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.513148][ T772] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 29.513149][ T772] ? move_addr_to_kernel (net/socket.c:258) [ 29.513156][ T772] ___sys_sendmsg (net/socket.c:2767) [ 29.513159][ T772] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.513161][ T772] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 29.513176][ T772] __sys_sendmsg (net/socket.c:2799) [ 29.513179][ T772] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.513184][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.513187][ T772] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.513190][ T772] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.513193][ T772] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.513196][ T772] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.513198][ T772] RIP: 0033:0x7f202bb2154e [ 29.513200][ T772] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 29.513202][ T772] RSP: 002b:00007ffd45bad790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.513205][ T772] RAX: ffffffffffffffda RBX: 0000000016fb8130 RCX: 00007f202bb2154e [ 29.513206][ T772] RDX: 0000000000000000 RSI: 00007ffd45bad830 RDI: 0000000000000005 [ 29.513207][ T772] RBP: 00007ffd45bad7a0 R08: 0000000000000000 R09: 0000000000000000 [ 29.513208][ T772] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000016fb8200 [ 29.513209][ T772] R13: 00007ffd45bad830 R14: 0000000016fb9260 R15: 000000000040bda8 | [ 32.498379][ T824] softirqs last disabled at (30792): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 32.498383][ T824] Preemption disabled at: | [ 32.498383][ T824] 0x0 | [ 32.498393][ T824] Tainted: [W]=WARN [ 32.498394][ T824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.498396][ T824] Call Trace: [ 32.498397][ T824] [ 32.498399][ T824] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.498405][ T824] __might_resched.cold (kernel/sched/core.c:9234) [ 32.498410][ T824] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.498414][ T824] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.498419][ T824] __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)) [ 32.498422][ T824] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.498427][ T824] ? 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) [ 32.498430][ T824] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.498434][ T824] put_chars (drivers/char/virtio_console.c:1176) [ 32.498437][ T824] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.498440][ T824] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.498445][ T824] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.498447][ T824] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.498451][ T824] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.498454][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.498456][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.498458][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.498462][ T824] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.498463][ T824] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.498468][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.498472][ T824] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.498476][ T824] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.498478][ T824] ? 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)) [ 32.498481][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.498484][ T824] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.498488][ T824] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.498492][ T824] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.498494][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.498499][ T824] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.498502][ T824] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.498504][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.498507][ T824] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.498510][ T824] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.498512][ T824] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.498516][ T824] vprintk_emit (kernel/printk/printk.c:2479) [ 32.498520][ T824] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.498521][ T824] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.498525][ T824] ? __kernel_text_address (kernel/extable.c:79) [ 32.498526][ T824] ? write_profile (profile.c:?) [ 32.498529][ T824] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.498534][ T824] _printk (kernel/printk/printk.c:2504) [ 32.498537][ T824] ? snapshot_read.cold (user.c:?) [ 32.498542][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.498543][ T824] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.498547][ T824] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.498550][ T824] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.498553][ T824] ? netdev_notice (net/core/dev.c:13194) [ 32.498554][ T824] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.498557][ T824] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.498560][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.498566][ T824] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 32.498571][ T824] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 32.498575][ T824] ? 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 [ 32.498581][ T824] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 32.498584][ T824] ? 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) [ 32.498587][ T824] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 32.498594][ T824] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 32.498598][ T824] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 32.498605][ T824] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 32.498608][ T824] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 32.498612][ T824] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.498615][ T824] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 32.498626][ T824] ? 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 [ 32.498631][ T824] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 32.498637][ T824] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 32.498640][ T824] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 32.498643][ T824] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.498649][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.498651][ T824] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.498655][ T824] ? write_profile (profile.c:?) [ 32.498656][ T824] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 32.498660][ T824] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 32.498664][ T824] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 32.498666][ T824] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.498668][ T824] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 32.498671][ T824] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 32.498674][ T824] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 32.498677][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.498683][ T824] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 32.498686][ T824] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.498688][ T824] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 32.498692][ T824] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.498701][ T824] ? 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)) [ 32.498703][ T824] ? 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)) [ 32.498707][ T824] genl_rcv (net/netlink/genetlink.c:1218) [ 32.498710][ T824] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.498714][ T824] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.498717][ T824] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.498721][ T824] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.498726][ T824] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.498730][ T824] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 32.498735][ T824] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 32.498739][ T824] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.498742][ T824] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 32.498743][ T824] ? move_addr_to_kernel (net/socket.c:258) [ 32.498751][ T824] ___sys_sendmsg (net/socket.c:2767) [ 32.498754][ T824] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.498756][ T824] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 32.498771][ T824] __sys_sendmsg (net/socket.c:2799) [ 32.498775][ T824] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.498780][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.498783][ T824] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.498787][ T824] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.498790][ T824] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.498793][ T824] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.498795][ T824] RIP: 0033:0x7f0137ed154e [ 32.498798][ T824] 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 [ 32.498800][ T824] RSP: 002b:00007fff5be6b030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.498802][ T824] RAX: ffffffffffffffda RBX: 0000000003c8b130 RCX: 00007f0137ed154e [ 32.498804][ T824] RDX: 0000000000000000 RSI: 00007fff5be6b0d0 RDI: 0000000000000005 [ 32.498805][ T824] RBP: 00007fff5be6b040 R08: 0000000000000000 R09: 0000000000000000 [ 32.498806][ T824] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000003c8b200 [ 32.498807][ T824] R13: 00007fff5be6b0d0 R14: 0000000003c8c260 R15: 000000000040bda8 | [ 38.644204][ T10] softirqs last disabled at (34026): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 38.644209][ T10] Preemption disabled at: | [ 38.644210][ T10] 0x0 | [ 38.644224][ T10] Tainted: [W]=WARN [ 38.644225][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.644228][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 38.644234][ T10] Call Trace: [ 38.644237][ T10] [ 38.644240][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.644248][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 38.644254][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.644259][ 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) [ 38.644267][ 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)) [ 38.644271][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.644281][ 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) [ 38.644284][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.644290][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 38.644294][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.644302][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 38.644309][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.644313][ T10] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.644316][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.644318][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.644325][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.644329][ T10] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 38.644335][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.644340][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.644347][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.644353][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.644356][ 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)) [ 38.644361][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.644365][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.644372][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.644379][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.644382][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.644391][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.644396][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.644398][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.644402][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.644408][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.644411][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.644417][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 38.644423][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.644428][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.644431][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.644437][ T10] _printk (kernel/printk/printk.c:2504) [ 38.644442][ T10] ? snapshot_read.cold (user.c:?) [ 38.644447][ T10] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 38.644451][ T10] ? __mod_zone_page_state (mm/vmstat.c:371) [ 38.644455][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.644460][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.644466][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.644470][ T10] ? netdev_notice (net/core/dev.c:13194) [ 38.644472][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.644481][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.644486][ T10] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.644492][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.644501][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.644514][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.644522][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.644527][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.644531][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.644539][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 38.644546][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 38.644551][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.644560][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 38.644568][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 38.644573][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 38.644579][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.644582][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.644585][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.644592][ T10] process_one_work (kernel/workqueue.c:3387) [ 38.644604][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.644609][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.644623][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.644630][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.644633][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.644639][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.644643][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.644646][ T10] kthread (kernel/kthread.c:436) [ 38.644649][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.644653][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.644658][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.644664][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.644669][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.644674][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.644679][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.829289][ T65] softirqs last disabled at (26240): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn | [ 43.829293][ T65] Preemption disabled at: | [ 43.829293][ T65] 0x0 | [ 43.829304][ T65] Tainted: [W]=WARN [ 43.829305][ T65] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.829308][ T65] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.829313][ T65] Call Trace: [ 43.829314][ T65] [ 43.829317][ T65] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.829323][ T65] __might_resched.cold (kernel/sched/core.c:9234) [ 43.829328][ T65] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.829332][ T65] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.829337][ T65] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 43.829339][ T65] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.829345][ T65] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.829348][ T65] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.829352][ T65] put_chars (drivers/char/virtio_console.c:1176) [ 43.829354][ T65] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 43.829356][ T65] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.829360][ T65] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.829364][ T65] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.829366][ T65] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.829370][ T65] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.829374][ T65] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.829376][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.829377][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.829381][ T65] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.829384][ T65] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 43.829387][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.829389][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.829393][ T65] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.829397][ T65] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.829399][ T65] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 43.829403][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.829405][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.829409][ T65] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.829413][ T65] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.829415][ T65] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.829420][ T65] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.829423][ T65] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.829425][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.829428][ T65] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.829432][ T65] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.829433][ T65] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.829437][ T65] vprintk_emit (kernel/printk/printk.c:2479) [ 43.829441][ T65] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.829444][ T65] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.829448][ T65] _printk (kernel/printk/printk.c:2504) [ 43.829452][ T65] ? snapshot_read.cold (user.c:?) [ 43.829453][ T65] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 43.829456][ T65] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 43.829459][ T65] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.829462][ T65] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.829466][ T65] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.829468][ T65] ? netdev_notice (net/core/dev.c:13194) [ 43.829473][ T65] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 43.829477][ T65] ? kthread (kernel/kthread.c:436) [ 43.829482][ T65] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.829487][ T65] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.829490][ T65] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.829493][ T65] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 43.829495][ T65] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 43.829500][ T65] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.829504][ T65] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.829507][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.829509][ T65] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.829513][ T65] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.829518][ T65] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.829521][ T65] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.829526][ T65] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 43.829530][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.829533][ T65] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.829537][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.829539][ T65] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.829541][ T65] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.829544][ T65] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 43.829546][ T65] process_one_work (kernel/workqueue.c:3387) [ 43.829553][ T65] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.829556][ T65] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.829563][ T65] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.829567][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.829570][ T65] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.829572][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.829575][ T65] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.829577][ T65] kthread (kernel/kthread.c:436) [ 43.829579][ T65] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.829582][ T65] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.829585][ T65] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.829589][ T65] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.829592][ T65] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.829596][ T65] ? 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