====================================== | [ 17.330160][ T302] softirqs last disabled at (41331): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.330163][ T302] Preemption disabled at: | [ 17.330164][ T302] 0x0 | [ 17.330177][ T302] Tainted: [W]=WARN [ 17.330178][ T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.330179][ T302] Call Trace: [ 17.330181][ T302] [ 17.330183][ T302] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.330190][ T302] __might_resched.cold (kernel/sched/core.c:9234) [ 17.330195][ T302] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.330200][ T302] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.330211][ T302] __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)) [ 17.330214][ T302] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.330220][ T302] ? 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) [ 17.330223][ T302] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.330226][ T302] put_chars (drivers/char/virtio_console.c:1176) [ 17.330229][ T302] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.330231][ T302] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.330236][ T302] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.330242][ T302] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.330248][ T302] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.330251][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.330254][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.330258][ T302] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.330262][ T302] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.330264][ T302] ? 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)) [ 17.330267][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.330269][ T302] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.330274][ T302] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.330278][ T302] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.330280][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.330286][ T302] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.330289][ T302] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.330291][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.330293][ T302] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.330297][ T302] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.330299][ T302] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.330303][ T302] vprintk_emit (kernel/printk/printk.c:2479) [ 17.330307][ T302] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.330310][ T302] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.330314][ T302] _printk (kernel/printk/printk.c:2504) [ 17.330318][ T302] ? snapshot_read.cold (user.c:?) [ 17.330321][ T302] ? 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) [ 17.330323][ T302] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.330327][ T302] ? 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) [ 17.330330][ T302] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.330334][ T302] ? exit_notify (kernel/exit.c:780) [ 17.330335][ T302] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.330338][ T302] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.330342][ T302] do_group_exit (kernel/exit.c:1151) [ 17.330345][ T302] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.330347][ T302] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.330350][ T302] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.330354][ T302] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.330357][ T302] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.330360][ T302] RIP: 0033:0x7fb0439581b8 [ 17.330362][ T302] Code: Unable to access opcode bytes at 0x7fb04395818e. Code starting with the faulting instruction =========================================== [ 17.330363][ T302] RSP: 002b:00007ffe32d4aee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.330365][ T302] RAX: ffffffffffffffda RBX: 00007fb043a88f88 RCX: 00007fb0439581b8 [ 17.330367][ T302] RDX: 00007fb0436a2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 17.330368][ T302] RBP: 00007ffe32d4af40 R08: 0000000000000000 R09: 0000000000000000 [ 17.330369][ T302] R10: 00007ffe32d4ad00 R11: 0000000000000246 R12: 0000000000000001 [ 17.330370][ T302] R13: 0000000000000000 R14: 00007fb043a87680 R15: 00007fb043a88fa0 | [ 32.957663][ T683] softirqs last disabled at (4732026): __release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3272) | [ 32.957667][ T683] Preemption disabled at: | [ 32.957668][ T683] 0x0 | [ 32.957679][ T683] Tainted: [W]=WARN [ 32.957680][ T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.957682][ T683] Call Trace: [ 32.957683][ T683] [ 32.957685][ T683] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.957691][ T683] __might_resched.cold (kernel/sched/core.c:9234) [ 32.957695][ T683] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.957700][ T683] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.957705][ T683] __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)) [ 32.957707][ T683] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.957713][ T683] ? 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) [ 32.957716][ T683] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.957720][ T683] put_chars (drivers/char/virtio_console.c:1176) [ 32.957722][ T683] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 32.957724][ T683] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.957727][ T683] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.957732][ T683] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.957734][ T683] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.957738][ T683] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.957741][ T683] ? mark_usage (kernel/locking/lockdep.c:4690) [ 32.957743][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.957745][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.957749][ T683] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.957751][ T683] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 32.957755][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.957757][ T683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.957761][ T683] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.957765][ T683] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.957767][ T683] ? 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)) [ 32.957770][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.957773][ T683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.957777][ T683] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.957781][ T683] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.957783][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.957788][ T683] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.957791][ T683] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.957793][ T683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.957796][ T683] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.957799][ T683] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.957801][ T683] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.957805][ T683] vprintk_emit (kernel/printk/printk.c:2479) [ 32.957809][ T683] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.957812][ T683] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.957816][ T683] _printk (kernel/printk/printk.c:2504) [ 32.957819][ T683] ? snapshot_read.cold (user.c:?) [ 32.957822][ T683] ? 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) [ 32.957825][ T683] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.957829][ T683] ? 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) [ 32.957832][ T683] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 32.957835][ T683] ? exit_notify (kernel/exit.c:780) [ 32.957841][ T683] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 32.957842][ T683] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 32.957845][ T683] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.957849][ T683] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.957852][ T683] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.957854][ T683] RIP: 0033:0x7f058ad5cc49 [ 32.957856][ T683] Code: Unable to access opcode bytes at 0x7f058ad5cc1f. Code starting with the faulting instruction =========================================== [ 32.957858][ T683] RSP: 002b:00007f058a51be60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 32.957860][ T683] RAX: ffffffffffffffda RBX: 00007f058a51c6c0 RCX: 00007f058ad5cc49 [ 32.957862][ T683] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 32.957863][ T683] RBP: 00007f058a51bf70 R08: 0000000000000001 R09: 00007f058a51c6c0 [ 32.957864][ T683] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f0589d1c000 [ 32.957864][ T683] R13: 00007fffac12c730 R14: 0000000000000002 R15: 00007fffac12c837 | [ 35.027274][ T777] softirqs last disabled at (35546): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 35.027280][ T777] Preemption disabled at: | [ 35.027281][ T777] 0x0 | [ 35.027294][ T777] Tainted: [W]=WARN [ 35.027296][ T777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.027298][ T777] Call Trace: [ 35.027300][ T777] [ 35.027303][ T777] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.027311][ T777] __might_resched.cold (kernel/sched/core.c:9234) [ 35.027317][ T777] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.027323][ T777] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.027337][ T777] __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)) [ 35.027340][ T777] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.027349][ T777] ? 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) [ 35.027353][ T777] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.027358][ T777] put_chars (drivers/char/virtio_console.c:1176) [ 35.027363][ T777] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.027365][ T777] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 35.027372][ T777] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 35.027378][ T777] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.027382][ T777] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.027385][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.027390][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.027398][ T777] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.027400][ T777] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.027408][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.027415][ T777] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.027421][ T777] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.027424][ T777] ? 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)) [ 35.027429][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.027435][ T777] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.027442][ T777] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.027450][ T777] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.027453][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.027462][ T777] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.027466][ T777] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.027469][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.027472][ T777] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.027479][ T777] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.027481][ T777] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.027487][ T777] vprintk_emit (kernel/printk/printk.c:2479) [ 35.027493][ T777] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.027495][ T777] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.027500][ T777] ? __kernel_text_address (kernel/extable.c:79) [ 35.027502][ T777] ? write_profile (profile.c:?) [ 35.027505][ T777] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.027513][ T777] _printk (kernel/printk/printk.c:2504) [ 35.027517][ T777] ? snapshot_read.cold (user.c:?) [ 35.027524][ T777] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.027527][ T777] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.027531][ T777] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.027538][ T777] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.027541][ T777] ? netdev_notice (net/core/dev.c:13194) [ 35.027544][ T777] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.027548][ T777] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.027553][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.027564][ T777] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 35.027572][ T777] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 35.027579][ T777] ? 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 [ 35.027589][ T777] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 35.027594][ T777] ? 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) [ 35.027598][ T777] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 35.027610][ T777] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 35.027617][ T777] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 35.027628][ T777] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 35.027634][ T777] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 35.027639][ T777] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.027644][ T777] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 35.027663][ T777] ? 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 [ 35.027672][ T777] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 35.027683][ T777] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 35.027689][ T777] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 35.027692][ T777] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.027703][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.027707][ T777] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.027711][ T777] ? write_profile (profile.c:?) [ 35.027714][ T777] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.027720][ T777] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 35.027726][ T777] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 35.027730][ T777] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.027733][ T777] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 35.027738][ T777] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 35.027742][ T777] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 35.027748][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.027757][ T777] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 35.027763][ T777] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.027766][ T777] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 35.027772][ T777] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.027784][ T777] ? 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)) [ 35.027787][ T777] ? 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)) [ 35.027794][ T777] genl_rcv (net/netlink/genetlink.c:1218) [ 35.027798][ T777] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.027805][ T777] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.027810][ T777] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.027817][ T777] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.027825][ T777] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.027832][ T777] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.027841][ T777] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.027846][ T777] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.027850][ T777] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.027853][ T777] ? move_addr_to_kernel (net/socket.c:258) [ 35.027867][ T777] ___sys_sendmsg (net/socket.c:2767) [ 35.027872][ T777] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.027875][ T777] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 35.027905][ T777] __sys_sendmsg (net/socket.c:2799) [ 35.027910][ T777] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.027921][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.027924][ T777] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.027931][ T777] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.027935][ T777] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.027940][ T777] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.027944][ T777] RIP: 0033:0x7fbff2bb454e [ 35.027947][ T777] 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 [ 35.027950][ T777] RSP: 002b:00007fff3c4a5170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.027954][ T777] RAX: ffffffffffffffda RBX: 0000000013ae1130 RCX: 00007fbff2bb454e [ 35.027956][ T777] RDX: 0000000000000000 RSI: 00007fff3c4a5210 RDI: 0000000000000005 [ 35.027958][ T777] RBP: 00007fff3c4a5180 R08: 0000000000000000 R09: 0000000000000000 [ 35.027959][ T777] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000013ae1200 [ 35.027961][ T777] R13: 00007fff3c4a5210 R14: 0000000013ae2260 R15: 000000000040bda8 | [ 38.375570][ T829] softirqs last disabled at (34856): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn | [ 38.375574][ T829] Preemption disabled at: | [ 38.375574][ T829] 0x0 | [ 38.375585][ T829] Tainted: [W]=WARN [ 38.375586][ T829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.375587][ T829] Call Trace: [ 38.375589][ T829] [ 38.375591][ T829] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.375597][ T829] __might_resched.cold (kernel/sched/core.c:9234) [ 38.375602][ T829] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.375606][ T829] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.375611][ T829] __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)) [ 38.375614][ T829] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.375620][ T829] ? 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) [ 38.375623][ T829] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.375626][ T829] put_chars (drivers/char/virtio_console.c:1176) [ 38.375630][ T829] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.375633][ T829] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.375637][ T829] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.375640][ T829] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.375644][ T829] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.375647][ T829] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.375649][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.375651][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.375655][ T829] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.375657][ T829] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.375661][ T829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.375666][ T829] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.375670][ T829] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.375671][ T829] ? 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)) [ 38.375675][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.375678][ T829] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.375682][ T829] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.375686][ T829] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.375688][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.375694][ T829] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.375697][ T829] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.375699][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.375701][ T829] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.375705][ T829] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.375707][ T829] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.375710][ T829] vprintk_emit (kernel/printk/printk.c:2479) [ 38.375714][ T829] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.375716][ T829] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.375719][ T829] ? __kernel_text_address (kernel/extable.c:79) [ 38.375721][ T829] ? write_profile (profile.c:?) [ 38.375724][ T829] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 38.375729][ T829] _printk (kernel/printk/printk.c:2504) [ 38.375732][ T829] ? snapshot_read.cold (user.c:?) [ 38.375737][ T829] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.375738][ T829] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.375742][ T829] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.375745][ T829] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.375748][ T829] ? netdev_notice (net/core/dev.c:13194) [ 38.375749][ T829] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.375752][ T829] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.375755][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.375761][ T829] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 38.375767][ T829] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 38.375771][ T829] ? 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 [ 38.375777][ T829] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 38.375781][ T829] ? 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) [ 38.375783][ T829] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 38.375790][ T829] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn [ 38.375794][ T829] ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn [ 38.375801][ T829] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn [ 38.375805][ T829] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 38.375809][ T829] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 38.375812][ T829] ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3)) [ 38.375823][ T829] ? 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 [ 38.375828][ T829] ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn [ 38.375834][ T829] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 38.375837][ T829] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 38.375840][ T829] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.375846][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.375848][ T829] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 38.375852][ T829] ? write_profile (profile.c:?) [ 38.375853][ T829] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 38.375857][ T829] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 38.375861][ T829] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 38.375864][ T829] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.375866][ T829] ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn [ 38.375869][ T829] ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn [ 38.375871][ T829] ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn [ 38.375875][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.375880][ T829] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 38.375884][ T829] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.375886][ T829] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 38.375890][ T829] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.375897][ T829] ? 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)) [ 38.375899][ T829] ? 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)) [ 38.375904][ T829] genl_rcv (net/netlink/genetlink.c:1218) [ 38.375906][ T829] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.375910][ T829] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.375913][ T829] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.375918][ T829] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.375922][ T829] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.375927][ T829] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 38.375932][ T829] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 38.375936][ T829] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.375939][ T829] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 38.375941][ T829] ? move_addr_to_kernel (net/socket.c:258) [ 38.375948][ T829] ___sys_sendmsg (net/socket.c:2767) [ 38.375951][ T829] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.375953][ T829] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 38.375970][ T829] __sys_sendmsg (net/socket.c:2799) [ 38.375973][ T829] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.375979][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.375981][ T829] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.375985][ T829] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.375988][ T829] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.375991][ T829] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.375994][ T829] RIP: 0033:0x7f6d5a0c954e [ 38.375996][ T829] 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 [ 38.375998][ T829] RSP: 002b:00007ffd8a6bfef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.376001][ T829] RAX: ffffffffffffffda RBX: 0000000009ce0130 RCX: 00007f6d5a0c954e [ 38.376002][ T829] RDX: 0000000000000000 RSI: 00007ffd8a6bff90 RDI: 0000000000000005 [ 38.376003][ T829] RBP: 00007ffd8a6bff00 R08: 0000000000000000 R09: 0000000000000000 [ 38.376004][ T829] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000009ce0200 [ 38.376005][ T829] R13: 00007ffd8a6bff90 R14: 0000000009ce1260 R15: 000000000040bda8 | [ 38.423800][ C0] | [ 38.423801][ C0] | [ 38.423801][ C0] stack backtrace: | [ 38.423806][ C0] Tainted: [W]=WARN [ 38.423807][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.423809][ C0] Call Trace: [ 38.423810][ C0] [ 38.423811][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.423815][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 38.423817][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 38.423819][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 38.423822][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 38.423824][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 38.423826][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 38.423828][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.423830][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 38.423832][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.423835][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.423837][ C0] console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 38.423839][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 38.423841][ C0] vprintk_emit (kernel/printk/printk.c:2478) [ 38.423843][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.423846][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 38.423847][ C0] _printk (kernel/printk/printk.c:2504) [ 38.423849][ C0] ? snapshot_read.cold (user.c:?) [ 38.423851][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 38.423853][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.423855][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 38.423857][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 38.423859][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 38.423860][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 38.423862][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 38.423864][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 38.423868][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.423870][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.423872][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.423874][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 38.423876][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 38.423878][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 38.423880][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.423883][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.423885][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 38.423887][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 38.423889][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.423892][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.423893][ C0] handle_softirqs (kernel/softirq.c:645) [ 38.423895][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.423897][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 38.423899][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 38.423901][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 38.423902][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 38.423904][ C0] [ 38.423904][ C0] [ 38.423905][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 38.423907][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 38.423908][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 38.423910][ C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 12 06 02 mov 0x2061294(%rip),%rdi # 0x206129b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 13 a0 00 sub 0xa01358(%rip),%rax # 0xa0136b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 b6 17 00 verw 0x17b613(%rip) # 0x17b63b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 38.423912][ C0] RSP: 0018:ffffffffaea07cf8 EFLAGS: 00000296 [ 38.423914][ C0] RAX: 000000000016186f RBX: ffffffffaea2c600 RCX: ffffffffab8fa307 [ 38.423916][ C0] RDX: ffffffffaea2c600 RSI: ffffffffae878e7e RDI: ffffffffae28dce0 [ 38.423917][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.423918][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5d40fa2 [ 38.423918][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 38.423920][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 38.423922][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 38.423924][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 38.423925][ C0] default_idle_call (kernel/sched/idle.c:122) [ 38.423927][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 38.423928][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 38.423930][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 38.423933][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.423935][ C0] do_idle (kernel/sched/idle.c:355) [ 38.423936][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 38.423938][ C0] rest_init (init/main.c:727) [ 38.423939][ C0] ? __cpuidle_text_end (??:?) [ 38.423942][ C0] ? rest_init (init/main.c:727) [ 38.423943][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 38.423946][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 38.423949][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 38.423952][ C0] start_kernel (init/main.c:1185) [ 38.423954][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 38.423956][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 38.423958][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 43.263490][ T50] softirqs last disabled at (1700575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 43.263492][ T50] Preemption disabled at: | [ 43.263493][ T50] 0x0 | [ 43.263505][ T50] Tainted: [W]=WARN [ 43.263506][ T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.263508][ T50] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 43.263518][ T50] Call Trace: [ 43.263520][ T50] [ 43.263522][ T50] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.263528][ T50] __might_resched.cold (kernel/sched/core.c:9234) [ 43.263532][ T50] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.263536][ T50] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 43.263538][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263542][ T50] __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)) [ 43.263546][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.263549][ T50] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.263553][ T50] ? 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) [ 43.263554][ T50] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.263557][ T50] put_chars (drivers/char/virtio_console.c:1176) [ 43.263559][ T50] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 43.263560][ T50] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.263562][ T50] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 43.263565][ T50] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.263569][ T50] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.263571][ T50] ? 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) [ 43.263572][ T50] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 43.263574][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.263576][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263578][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.263580][ T50] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.263583][ T50] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.263585][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263587][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263588][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263590][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.263592][ T50] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.263594][ T50] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.263596][ T50] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.263599][ T50] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.263600][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.263602][ T50] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.263604][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263605][ T50] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.263607][ T50] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.263608][ T50] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 43.263611][ T50] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.263612][ T50] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.263614][ T50] vprintk_emit (kernel/printk/printk.c:2479) [ 43.263617][ T50] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.263619][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263621][ T50] ? trace_ipi_send_cpu.constprop.0 (./include/trace/events/ipi.h:10 (discriminator 22)) [ 43.263624][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263626][ T50] _printk (kernel/printk/printk.c:2504) [ 43.263629][ T50] ? snapshot_read.cold (user.c:?) [ 43.263631][ T50] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 43.263633][ T50] ? __mod_zone_page_state (mm/vmstat.c:371) [ 43.263636][ T50] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.263639][ T50] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.263640][ T50] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 43.263642][ T50] ? netdev_notice (net/core/dev.c:13194) [ 43.263644][ T50] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 43.263646][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263648][ T50] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 43.263651][ T50] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 43.263655][ T50] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 43.263658][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.263660][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.263661][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263663][ T50] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 43.263667][ T50] ? 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) [ 43.263668][ T50] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 43.263671][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.263673][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263674][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.263676][ T50] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 43.263677][ T50] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 43.263680][ T50] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 43.263683][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.263685][ T50] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 43.263689][ T50] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 43.263691][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263693][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.263694][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.263697][ T50] process_one_work (kernel/workqueue.c:3387) [ 43.263701][ T50] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.263703][ T50] ? kthread_data (kernel/kthread.c:84 (discriminator 1) kernel/kthread.c:236 (discriminator 1)) [ 43.263706][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.263708][ T50] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.263711][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.263712][ T50] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.263714][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.263716][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.263718][ T50] kthread (kernel/kthread.c:436) [ 43.263719][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.263721][ T50] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.263723][ T50] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.263726][ T50] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.263728][ T50] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.263730][ T50] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.263732][ T50] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.287508][ T50] softirqs last disabled at (1700575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 44.287510][ T50] Preemption disabled at: | [ 44.287511][ T50] 0x0 | [ 44.287522][ T50] Tainted: [W]=WARN [ 44.287523][ T50] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.287525][ T50] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 44.287535][ T50] Call Trace: [ 44.287537][ T50] [ 44.287540][ T50] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.287545][ T50] __might_resched.cold (kernel/sched/core.c:9234) [ 44.287549][ T50] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.287553][ T50] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 44.287555][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287559][ T50] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.287563][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.287566][ T50] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.287570][ T50] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.287572][ T50] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.287574][ T50] put_chars (drivers/char/virtio_console.c:1176) [ 44.287576][ T50] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 44.287578][ T50] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.287580][ T50] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 44.287583][ T50] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.287587][ T50] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.287588][ T50] ? 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) [ 44.287590][ T50] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 44.287592][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.287594][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287595][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.287598][ T50] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.287600][ T50] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.287603][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287604][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287606][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287608][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.287610][ T50] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 44.287612][ T50] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.287614][ T50] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.287617][ T50] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.287619][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.287620][ T50] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.287622][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287624][ T50] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.287626][ T50] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.287627][ T50] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 44.287629][ T50] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.287631][ T50] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.287633][ T50] vprintk_emit (kernel/printk/printk.c:2479) [ 44.287635][ T50] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.287637][ T50] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 44.287641][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287643][ T50] _printk (kernel/printk/printk.c:2504) [ 44.287646][ T50] ? snapshot_read.cold (user.c:?) [ 44.287648][ T50] ? __add_to_free_list (mm/page_alloc.c:447 mm/page_alloc.c:801) [ 44.287650][ T50] ? __mod_zone_page_state (mm/vmstat.c:371) [ 44.287653][ T50] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.287656][ T50] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.287658][ T50] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.287659][ T50] ? netdev_notice (net/core/dev.c:13194) [ 44.287661][ T50] ? free_pcppages_bulk (./include/trace/events/kmem.h:246 (discriminator 22) mm/page_alloc.c:1516 (discriminator 22)) [ 44.287663][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287665][ T50] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 44.287668][ T50] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 44.287672][ T50] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 44.287675][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.287677][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.287678][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287681][ T50] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 44.287684][ T50] ? 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) [ 44.287686][ T50] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 44.287689][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.287690][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287692][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.287693][ T50] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 44.287695][ T50] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 44.287698][ T50] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 44.287701][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.287704][ T50] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn [ 44.287707][ T50] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 44.287710][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287712][ T50] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.287713][ T50] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.287715][ T50] process_one_work (kernel/workqueue.c:3387) [ 44.287719][ T50] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.287721][ T50] ? kthread_data (kernel/kthread.c:84 (discriminator 1) kernel/kthread.c:236 (discriminator 1)) [ 44.287724][ T50] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.287727][ T50] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.287729][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.287731][ T50] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.287733][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.287734][ T50] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.287736][ T50] kthread (kernel/kthread.c:436) [ 44.287738][ T50] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.287739][ T50] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.287741][ T50] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.287743][ T50] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.287745][ T50] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.287748][ T50] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.287750][ T50] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.407512][ T10] softirqs last disabled at (38952): neigh_periodic_work (./include/linux/spinlock.h:353 net/core/neighbour.c:981) | [ 49.407514][ T10] Preemption disabled at: | [ 49.407515][ T10] 0x0 | [ 49.407525][ T10] Tainted: [W]=WARN [ 49.407527][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.407528][ T10] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn] [ 49.407537][ T10] Call Trace: [ 49.407538][ T10] [ 49.407540][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.407545][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 49.407549][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.407553][ T10] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 49.407556][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407560][ 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)) [ 49.407563][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.407566][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.407570][ 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) [ 49.407572][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.407574][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 49.407576][ T10] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 49.407578][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.407580][ T10] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 49.407583][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.407586][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.407588][ T10] ? 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) [ 49.407590][ T10] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 49.407592][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.407593][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407595][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.407597][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.407600][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.407602][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407604][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407606][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407607][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.407609][ T10] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 49.407611][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.407613][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.407616][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.407618][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.407619][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.407621][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407622][ T10] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.407624][ T10] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 49.407625][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 49.407627][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.407629][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.407631][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 49.407634][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.407636][ T10] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 49.407637][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407639][ T10] ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22)) [ 49.407641][ T10] _printk (kernel/printk/printk.c:2504) [ 49.407644][ T10] ? snapshot_read.cold (user.c:?) [ 49.407646][ T10] ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1)) [ 49.407648][ T10] ? select_fallback_rq (kernel/sched/sched.h:1424) [ 49.407650][ T10] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.407652][ T10] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.407654][ T10] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.407656][ T10] ? netdev_notice (net/core/dev.c:13194) [ 49.407658][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407660][ T10] ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459) [ 49.407663][ T10] ? kthread (kernel/kthread.c:436) [ 49.407666][ T10] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 49.407669][ T10] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn [ 49.407673][ T10] ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn [ 49.407675][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407677][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.407679][ T10] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn [ 49.407682][ T10] ? 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) [ 49.407684][ T10] ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn [ 49.407687][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.407689][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407690][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.407692][ T10] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 49.407693][ T10] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn [ 49.407696][ T10] ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn [ 49.407699][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.407701][ T10] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn [ 49.407704][ T10] ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn [ 49.407707][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407709][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.407710][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.407712][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 49.407714][ T10] process_one_work (kernel/workqueue.c:3387) [ 49.407717][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.407719][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 49.407721][ T10] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.407723][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.407725][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.407727][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.407729][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.407730][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.407732][ T10] kthread (kernel/kthread.c:436) [ 49.407734][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.407735][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.407737][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.407740][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.407741][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.407744][ T10] ? 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 neigh_periodic_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning