======================================
| [   23.122588][  T624] softirqs last disabled at (87905): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.122590][  T624] Preemption disabled at:
| [   23.122591][  T624] 0x0
| [   23.122601][  T624] Tainted: [W]=WARN
[   23.122602][  T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.122603][  T624] Call Trace:
[   23.122605][  T624]  <TASK>
[   23.122606][  T624]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.122612][  T624]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.122617][  T624]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.122621][  T624]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.122626][  T624]  __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))
[   23.122628][  T624]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.122634][  T624]  ? 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)
[   23.122637][  T624]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.122640][  T624]  put_chars (drivers/char/virtio_console.c:1176)
[   23.122643][  T624]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.122645][  T624]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.122649][  T624]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.122654][  T624]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.122661][  T624]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.122663][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.122665][  T624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.122669][  T624]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.122673][  T624]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.122675][  T624]  ? 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))
[   23.122678][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.122680][  T624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.122684][  T624]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.122688][  T624]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.122690][  T624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.122695][  T624]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.122698][  T624]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.122700][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.122702][  T624]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.122706][  T624]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.122707][  T624]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.122711][  T624]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.122714][  T624]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.122718][  T624]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.122721][  T624]  _printk (kernel/printk/printk.c:2504)
[   23.122725][  T624]  ? snapshot_read.cold (user.c:?)
[   23.122727][  T624]  ? 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)
[   23.122730][  T624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.122734][  T624]  ? 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)
[   23.122736][  T624]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   23.122740][  T624]  ? exit_notify (kernel/exit.c:780)
[   23.122741][  T624]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.122744][  T624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.122748][  T624]  do_group_exit (kernel/exit.c:1151)
[   23.122751][  T624]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.122753][  T624]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.122755][  T624]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.122759][  T624]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.122762][  T624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.122765][  T624] RIP: 0033:0x7f33c365e1b8
[   23.122767][  T624] Code: Unable to access opcode bytes at 0x7f33c365e18e.

Code starting with the faulting instruction
===========================================
[   23.122768][  T624] RSP: 002b:00007ffd24d89248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.122770][  T624] RAX: ffffffffffffffda RBX: 00007f33c378ef88 RCX: 00007f33c365e1b8
[   23.122771][  T624] RDX: 00007f33c33ef7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000
[   23.122772][  T624] RBP: 00007ffd24d892a0 R08: 0000000000000000 R09: 0000000000000050
[   23.122773][  T624] R10: 00007ffd24d890c0 R11: 0000000000000246 R12: 0000000000000002
[   23.122774][  T624] R13: 0000000000000000 R14: 00007f33c378d680 R15: 00007f33c378efa0
| [   29.072438][  T681] softirqs last disabled at (5280951): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.072440][  T681] Preemption disabled at:
| [   29.072441][  T681] 0x0
| [   29.072452][  T681] Tainted: [W]=WARN
[   29.072453][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.072454][  T681] Call Trace:
[   29.072456][  T681]  <TASK>
[   29.072458][  T681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.072464][  T681]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.072468][  T681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.072472][  T681]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.072477][  T681]  __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))
[   29.072479][  T681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.072485][  T681]  ? 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)
[   29.072488][  T681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.072491][  T681]  put_chars (drivers/char/virtio_console.c:1176)
[   29.072493][  T681]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   29.072496][  T681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.072499][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.072503][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.072506][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.072509][  T681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.072513][  T681]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.072515][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.072516][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.072520][  T681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.072522][  T681]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.072525][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.072528][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.072532][  T681]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.072535][  T681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.072537][  T681]  ? 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))
[   29.072540][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.072543][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.072546][  T681]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.072551][  T681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.072552][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.072557][  T681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.072560][  T681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.072562][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.072564][  T681]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.072568][  T681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.072569][  T681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.072578][  T681]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.072581][  T681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.072585][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.072588][  T681]  _printk (kernel/printk/printk.c:2504)
[   29.072592][  T681]  ? snapshot_read.cold (user.c:?)
[   29.072594][  T681]  ? 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)
[   29.072597][  T681]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.072601][  T681]  ? 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)
[   29.072603][  T681]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   29.072607][  T681]  ? exit_notify (kernel/exit.c:780)
[   29.072612][  T681]  __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[   29.072613][  T681]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[   29.072616][  T681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.072620][  T681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.072623][  T681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.072626][  T681] RIP: 0033:0x7ff5d7aecc49
[   29.072628][  T681] Code: Unable to access opcode bytes at 0x7ff5d7aecc1f.

Code starting with the faulting instruction
===========================================
[   29.072629][  T681] RSP: 002b:00007ff5d72abe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[   29.072631][  T681] RAX: ffffffffffffffda RBX: 00007ff5d72ac6c0 RCX: 00007ff5d7aecc49
[   29.072633][  T681] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[   29.072634][  T681] RBP: 00007ff5d72abf70 R08: 0000000000000001 R09: 00007ff5d72ac6c0
[   29.072635][  T681] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ff5d6aac000
[   29.072635][  T681] R13: 00007fff87574170 R14: 0000000000000002 R15: 00007fff87574277
| [   30.871840][  T776] softirqs last disabled at (35384): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn
| [   30.871843][  T776] Preemption disabled at:
| [   30.871844][  T776] 0x0
| [   30.871854][  T776] Tainted: [W]=WARN
[   30.871855][  T776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.871857][  T776] Call Trace:
[   30.871858][  T776]  <TASK>
[   30.871860][  T776]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.871866][  T776]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.871870][  T776]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.871874][  T776]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.871879][  T776]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.871881][  T776]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.871887][  T776]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.871890][  T776]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.871893][  T776]  put_chars (drivers/char/virtio_console.c:1176)
[   30.871896][  T776]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.871897][  T776]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   30.871901][  T776]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   30.871905][  T776]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.871908][  T776]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.871910][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.871912][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.871916][  T776]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.871917][  T776]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.871921][  T776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.871925][  T776]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.871929][  T776]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.871931][  T776]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   30.871934][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.871938][  T776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.871942][  T776]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.871946][  T776]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.871947][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.871952][  T776]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.871955][  T776]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.871957][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.871960][  T776]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.871963][  T776]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.871965][  T776]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.871968][  T776]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.871972][  T776]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.871974][  T776]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.871977][  T776]  ? __kernel_text_address (kernel/extable.c:79)
[   30.871978][  T776]  ? write_profile (profile.c:?)
[   30.871981][  T776]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.871986][  T776]  _printk (kernel/printk/printk.c:2504)
[   30.871989][  T776]  ? snapshot_read.cold (user.c:?)
[   30.871993][  T776]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.871994][  T776]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.871998][  T776]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.872001][  T776]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.872003][  T776]  ? netdev_notice (net/core/dev.c:13194)
[   30.872005][  T776]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.872007][  T776]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.872010][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.872016][  T776] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   30.872020][  T776]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   30.872024][  T776]  ? 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
[   30.872030][  T776] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   30.872033][  T776]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   30.872036][  T776]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   30.872042][  T776] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[   30.872046][  T776]  ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[   30.872052][  T776] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[   30.872055][  T776]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   30.872059][  T776]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   30.872062][  T776]  ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   30.872074][  T776]  ? 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
[   30.872079][  T776]  ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[   30.872084][  T776]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   30.872088][  T776]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   30.872090][  T776]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.872095][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.872098][  T776]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.872101][  T776]  ? write_profile (profile.c:?)
[   30.872103][  T776]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.872106][  T776]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   30.872110][  T776]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   30.872112][  T776]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.872114][  T776]  ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[   30.872117][  T776]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   30.872120][  T776]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[   30.872123][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.872128][  T776]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   30.872131][  T776]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.872133][  T776]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   30.872137][  T776]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.872144][  T776]  ? 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))
[   30.872145][  T776]  ? 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))
[   30.872149][  T776]  genl_rcv (net/netlink/genetlink.c:1218)
[   30.872152][  T776]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.872156][  T776]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.872159][  T776]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.872163][  T776]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.872167][  T776]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.872171][  T776]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.872176][  T776]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.872179][  T776]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.872182][  T776]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.872183][  T776]  ? move_addr_to_kernel (net/socket.c:258)
[   30.872191][  T776]  ___sys_sendmsg (net/socket.c:2767)
[   30.872194][  T776]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.872195][  T776]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   30.872210][  T776]  __sys_sendmsg (net/socket.c:2799)
[   30.872213][  T776]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.872219][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.872221][  T776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.872225][  T776]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.872228][  T776]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.872230][  T776]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.872233][  T776] RIP: 0033:0x7f29b148f54e
[   30.872235][  T776] 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 <c9> 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
[   30.872237][  T776] RSP: 002b:00007ffd777d62a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.872239][  T776] RAX: ffffffffffffffda RBX: 0000000000b14130 RCX: 00007f29b148f54e
[   30.872241][  T776] RDX: 0000000000000000 RSI: 00007ffd777d6340 RDI: 0000000000000005
[   30.872242][  T776] RBP: 00007ffd777d62b0 R08: 0000000000000000 R09: 0000000000000000
[   30.872243][  T776] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000b14200
[   30.872244][  T776] R13: 00007ffd777d6340 R14: 0000000000b15260 R15: 000000000040bda8
| [   33.909621][  T828] softirqs last disabled at (33088): ovpn_peer_del (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1214) ovpn
| [   33.909625][  T828] Preemption disabled at:
| [   33.909625][  T828] 0x0
| [   33.909635][  T828] Tainted: [W]=WARN
[   33.909636][  T828] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.909638][  T828] Call Trace:
[   33.909640][  T828]  <TASK>
[   33.909641][  T828]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.909647][  T828]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.909652][  T828]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.909656][  T828]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.909660][  T828]  __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))
[   33.909663][  T828]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.909668][  T828]  ? 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)
[   33.909671][  T828]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.909674][  T828]  put_chars (drivers/char/virtio_console.c:1176)
[   33.909677][  T828]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.909680][  T828]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.909684][  T828]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.909687][  T828]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.909691][  T828]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.909693][  T828]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.909695][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.909697][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.909701][  T828]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.909702][  T828]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.909707][  T828]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.909710][  T828]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.909714][  T828]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.909716][  T828]  ? 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))
[   33.909719][  T828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.909722][  T828]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.909726][  T828]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.909730][  T828]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.909732][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.909737][  T828]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.909739][  T828]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.909741][  T828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.909743][  T828]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.909747][  T828]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.909749][  T828]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.909752][  T828]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.909756][  T828]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.909758][  T828]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.909761][  T828]  ? __kernel_text_address (kernel/extable.c:79)
[   33.909762][  T828]  ? write_profile (profile.c:?)
[   33.909765][  T828]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.909770][  T828]  _printk (kernel/printk/printk.c:2504)
[   33.909773][  T828]  ? snapshot_read.cold (user.c:?)
[   33.909777][  T828]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.909779][  T828]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.909782][  T828]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.909786][  T828]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.909788][  T828]  ? netdev_notice (net/core/dev.c:13194)
[   33.909789][  T828]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.909792][  T828]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.909795][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.909800][  T828] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   33.909805][  T828]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   33.909809][  T828]  ? 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
[   33.909814][  T828] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   33.909818][  T828]  ? 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)
[   33.909821][  T828]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   33.909827][  T828] ovpn_peer_del (drivers/net/ovpn/peer.c:1166 drivers/net/ovpn/peer.c:1217) ovpn
[   33.909831][  T828]  ? ovpn_peer_add (drivers/net/ovpn/peer.c:1097 (discriminator 9)) ovpn
[   33.909837][  T828] ovpn_nl_peer_del_doit (drivers/net/ovpn/netlink.c:823) ovpn
[   33.909841][  T828]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   33.909845][  T828]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   33.909847][  T828]  ? ref_tracker_alloc (./include/linux/spinlock.h:425 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   33.909858][  T828]  ? 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
[   33.909862][  T828]  ? ovpn_get_dev_from_attrs (./include/linux/rcupdate.h:882 drivers/net/ovpn/netlink.c:67) ovpn
[   33.909868][  T828]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[   33.909871][  T828]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[   33.909873][  T828]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.909879][  T828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.909881][  T828]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   33.909885][  T828]  ? write_profile (profile.c:?)
[   33.909886][  T828]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.909890][  T828]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[   33.909893][  T828]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[   33.909896][  T828]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.909897][  T828]  ? ovpn_nl_send_peer (drivers/net/ovpn/netlink.c:606) ovpn
[   33.909900][  T828]  ? ovpn_nl_peer_get_dumpit (drivers/net/ovpn/netlink.c:790) ovpn
[   33.909903][  T828]  ? ovpn_nl_pre_doit (drivers/net/ovpn/netlink.c:82) ovpn
[   33.909906][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.909911][  T828]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[   33.909915][  T828]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.909917][  T828]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[   33.909920][  T828]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.909927][  T828]  ? 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))
[   33.909929][  T828]  ? 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))
[   33.909933][  T828]  genl_rcv (net/netlink/genetlink.c:1218)
[   33.909935][  T828]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.909939][  T828]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.909942][  T828]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.909946][  T828]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.909950][  T828]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.909954][  T828]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   33.909959][  T828]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.909963][  T828]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.909965][  T828]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.909967][  T828]  ? move_addr_to_kernel (net/socket.c:258)
[   33.909974][  T828]  ___sys_sendmsg (net/socket.c:2767)
[   33.909977][  T828]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.909979][  T828]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   33.909994][  T828]  __sys_sendmsg (net/socket.c:2799)
[   33.909997][  T828]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.910002][  T828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.910004][  T828]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.910008][  T828]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.910011][  T828]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.910014][  T828]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.910016][  T828] RIP: 0033:0x7fa3da7f154e
[   33.910019][  T828] 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 <c9> 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
[   33.910020][  T828] RSP: 002b:00007ffdf72d8230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.910023][  T828] RAX: ffffffffffffffda RBX: 000000002d75b130 RCX: 00007fa3da7f154e
[   33.910025][  T828] RDX: 0000000000000000 RSI: 00007ffdf72d82d0 RDI: 0000000000000005
[   33.910025][  T828] RBP: 00007ffdf72d8240 R08: 0000000000000000 R09: 0000000000000000
[   33.910026][  T828] R10: 0000000000000000 R11: 0000000000000202 R12: 000000002d75b200
[   33.910027][  T828] R13: 00007ffdf72d82d0 R14: 000000002d75c260 R15: 000000000040bda8
| [   39.082456][   T68] softirqs last disabled at (1853966): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn
| [   39.082459][   T68] Preemption disabled at:
| [   39.082460][   T68] 0x0
| [   39.082471][   T68] Tainted: [W]=WARN
[   39.082471][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.082474][   T68] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   39.082478][   T68] Call Trace:
[   39.082480][   T68]  <TASK>
[   39.082483][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.082489][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.082494][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.082498][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.082502][   T68]  __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))
[   39.082505][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.082511][   T68]  ? 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)
[   39.082514][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.082517][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   39.082520][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.082525][   T68]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   39.082529][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.082532][   T68]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.082534][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.082535][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.082539][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.082541][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.082544][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.082548][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.082552][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.082556][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.082558][   T68]  ? 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))
[   39.082561][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.082564][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.082568][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.082572][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.082573][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.082579][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.082582][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.082583][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.082586][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.082589][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.082591][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.082599][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.082602][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.082604][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.082607][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.082610][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.082613][   T68]  _printk (kernel/printk/printk.c:2504)
[   39.082617][   T68]  ? snapshot_read.cold (user.c:?)
[   39.082621][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.082625][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.082628][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.082631][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   39.082634][   T68]  ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3))
[   39.082640][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.082642][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.082646][   T68] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   39.082652][   T68]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   39.082658][   T68] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   39.082663][   T68]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   39.082666][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.082669][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.082673][   T68] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   39.082677][   T68]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   39.082680][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.082685][   T68] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn
[   39.082690][   T68]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   39.082692][   T68]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   39.082696][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.082698][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.082700][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.082704][   T68]  process_one_work (kernel/workqueue.c:3387)
[   39.082710][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   39.082713][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.082720][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   39.082725][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.082727][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   39.082730][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.082733][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.082735][   T68]  kthread (kernel/kthread.c:436)
[   39.082737][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.082740][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.082743][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.082747][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   39.082750][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.082753][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.082756][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.170145][   T68] softirqs last disabled at (1855050): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn
| [   40.170148][   T68] Preemption disabled at:
| [   40.170148][   T68] 0x0
| [   40.170155][   T68] Tainted: [W]=WARN
[   40.170156][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.170157][   T68] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   40.170161][   T68] Call Trace:
[   40.170162][   T68]  <TASK>
[   40.170165][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.170169][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.170171][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.170174][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.170178][   T68]  __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))
[   40.170180][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.170184][   T68]  ? 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)
[   40.170186][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.170190][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   40.170191][   T68]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   40.170193][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.170196][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.170199][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.170201][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.170205][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.170207][   T68]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.170209][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.170210][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.170214][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.170216][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   40.170220][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.170222][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.170226][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.170230][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.170231][   T68]  ? 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))
[   40.170235][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.170237][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.170241][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.170245][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.170247][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.170252][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.170255][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.170257][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.170259][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.170263][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.170264][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.170268][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.170272][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.170275][   T68]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   40.170280][   T68]  _printk (kernel/printk/printk.c:2504)
[   40.170282][   T68]  ? snapshot_read.cold (user.c:?)
[   40.170287][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   40.170289][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   40.170292][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.170294][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   40.170296][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.170299][   T68]  ? kthread (kernel/kthread.c:436)
[   40.170301][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   40.170303][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.170306][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.170310][   T68] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   40.170315][   T68]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   40.170322][   T68] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   40.170325][   T68]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   40.170328][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.170330][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.170335][   T68] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   40.170339][   T68]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   40.170342][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   40.170347][   T68] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1396 drivers/net/ovpn/peer.c:1452) ovpn
[   40.170351][   T68]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   40.170354][   T68]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   40.170357][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.170359][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.170361][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.170365][   T68]  process_one_work (kernel/workqueue.c:3387)
[   40.170372][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   40.170375][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.170382][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   40.170386][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   40.170388][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   40.170391][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   40.170394][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   40.170396][   T68]  kthread (kernel/kthread.c:436)
[   40.170397][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.170399][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   40.170402][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.170405][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   40.170408][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.170410][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   40.170413][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   45.226719][   T53] softirqs last disabled at (31196): ovpn_peer_keepalive_work (./include/linux/spinlock.h:353 drivers/net/ovpn/peer.c:1449) ovpn
| [   45.226723][   T53] Preemption disabled at:
| [   45.226723][   T53] 0x0
| [   45.226735][   T53] Tainted: [W]=WARN
[   45.226736][   T53] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.226738][   T53] Workqueue: ovpn ovpn_peer_keepalive_work [ovpn]
[   45.226744][   T53] Call Trace:
[   45.226745][   T53]  <TASK>
[   45.226748][   T53]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.226754][   T53]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.226758][   T53]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.226763][   T53]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.226768][   T53]  __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))
[   45.226770][   T53]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.226777][   T53]  ? 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)
[   45.226779][   T53]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.226783][   T53]  put_chars (drivers/char/virtio_console.c:1176)
[   45.226785][   T53]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   45.226787][   T53]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.226790][   T53]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.226795][   T53]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.226797][   T53]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.226801][   T53]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.226804][   T53]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.226806][   T53]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.226808][   T53]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.226812][   T53]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.226814][   T53]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   45.226817][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.226820][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.226823][   T53]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.226827][   T53]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.226829][   T53]  ? 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))
[   45.226832][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.226835][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.226839][   T53]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.226843][   T53]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.226845][   T53]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.226850][   T53]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.226852][   T53]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.226854][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.226857][   T53]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.226860][   T53]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.226862][   T53]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.226865][   T53]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.226869][   T53]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.226872][   T53]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.226876][   T53]  _printk (kernel/printk/printk.c:2504)
[   45.226880][   T53]  ? snapshot_read.cold (user.c:?)
[   45.226882][   T53]  ? try_to_wake_up (./include/linux/preempt.h:500 (discriminator 1) kernel/sched/core.c:4263 (discriminator 1))
[   45.226885][   T53]  ? select_fallback_rq (kernel/sched/sched.h:1424)
[   45.226887][   T53]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.226890][   T53]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.226894][   T53]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.226896][   T53]  ? netdev_notice (net/core/dev.c:13194)
[   45.226901][   T53]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   45.226907][   T53] ovpn_nl_peer_del_notify (drivers/net/ovpn/netlink.c:1173) ovpn
[   45.226912][   T53]  ? ovpn_nl_key_new_doit.cold (drivers/net/ovpn/netlink.c:958 (discriminator 13)) ovpn
[   45.226915][   T53]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.226917][   T53]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   45.226919][   T53]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.226924][   T53] ovpn_peer_remove (drivers/net/ovpn/peer.c:716) ovpn
[   45.226928][   T53]  ? __ovpn_peer_hash_transp_addr (drivers/net/ovpn/peer.c:943) ovpn
[   45.226931][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.226933][   T53]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.226937][   T53] ovpn_peer_keepalive_work_single (drivers/net/ovpn/peer.c:1347) ovpn
[   45.226941][   T53]  ? ovpn_peers_release_mp (drivers/net/ovpn/peer.c:1290) ovpn
[   45.226944][   T53]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.226949][   T53] ovpn_peer_keepalive_work (drivers/net/ovpn/peer.c:1423 drivers/net/ovpn/peer.c:1456) ovpn
[   45.226953][   T53]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   45.226956][   T53]  ? ovpn_peers_free (drivers/net/ovpn/peer.c:1307) ovpn
[   45.226959][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.226962][   T53]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.226964][   T53]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.226967][   T53]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   45.226969][   T53]  process_one_work (kernel/workqueue.c:3387)
[   45.226975][   T53]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   45.226978][   T53]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.226985][   T53]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   45.226990][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.226992][   T53]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   45.226995][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.226998][   T53]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.227000][   T53]  kthread (kernel/kthread.c:436)
[   45.227002][   T53]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.227005][   T53]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.227008][   T53]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.227012][   T53]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   45.227015][   T53]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.227018][   T53]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.227021][   T53]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   49.401524][    C0]
| [   49.401524][    C0]
| [   49.401524][    C0] stack backtrace:
| [   49.401530][    C0] Tainted: [W]=WARN
[   49.401531][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.401533][    C0] Call Trace:
[   49.401534][    C0]  <IRQ>
[   49.401535][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.401539][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   49.401541][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   49.401543][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   49.401545][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   49.401547][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   49.401549][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   49.401551][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.401552][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   49.401554][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401557][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401559][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   49.401561][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   49.401563][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   49.401565][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.401566][    C0]  ? 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))
[   49.401568][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401570][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401572][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.401574][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.401576][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.401578][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.401580][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.401581][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401583][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.401585][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.401586][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.401588][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.401590][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.401593][    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))
[   49.401594][    C0]  _printk (kernel/printk/printk.c:2504)
[   49.401596][    C0]  ? snapshot_read.cold (user.c:?)
[   49.401598][    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))
[   49.401599][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401602][    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))
[   49.401603][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   49.401605][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   49.401606][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   49.401608][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   49.401610][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   49.401614][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.401616][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401621][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.401623][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   49.401625][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   49.401627][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   49.401629][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.401631][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.401634][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   49.401636][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   49.401637][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401639][    C0]  handle_softirqs (kernel/softirq.c:645)
[   49.401641][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401642][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   49.401644][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   49.401646][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   49.401647][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   49.401648][    C0]  </IRQ>
[   49.401649][    C0]  <TASK>
[   49.401650][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   49.401651][    C0] RIP: 0010:unwind_next_frame (./arch/x86/include/asm/stacktrace.h:59 arch/x86/kernel/unwind_orc.c:694)
[   49.401653][    C0] Code: 49 8d 7d 10 49 8b 4d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bb 05 00 00 49 8b 55 10 48 39 cd <41> 0f 93 c4 48 39 d5 0f 92 c0 41 20 c4 0f 84 7e f0 ff ff 48 8d 45
All code
========
   0:	49 8d 7d 10          	lea    0x10(%r13),%rdi
   4:	49 8b 4d 08          	mov    0x8(%r13),%rcx
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	48 89 fa             	mov    %rdi,%rdx
  15:	48 c1 ea 03          	shr    $0x3,%rdx
  19:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  1d:	0f 85 bb 05 00 00    	jne    0x5de
  23:	49 8b 55 10          	mov    0x10(%r13),%rdx
  27:	48 39 cd             	cmp    %rcx,%rbp
  2a:*	41 0f 93 c4          	setae  %r12b		<-- trapping instruction
  2e:	48 39 d5             	cmp    %rdx,%rbp
  31:	0f 92 c0             	setb   %al
  34:	41 20 c4             	and    %al,%r12b
  37:	0f 84 7e f0 ff ff    	je     0xfffffffffffff0bb
  3d:	48                   	rex.W
  3e:	8d                   	.byte 0x8d
  3f:	45                   	rex.RB

Code starting with the faulting instruction
===========================================
   0:	41 0f 93 c4          	setae  %r12b
   4:	48 39 d5             	cmp    %rdx,%rbp
   7:	0f 92 c0             	setb   %al
   a:	41 20 c4             	and    %al,%r12b
   d:	0f 84 7e f0 ff ff    	je     0xfffffffffffff091
  13:	48                   	rex.W
  14:	8d                   	.byte 0x8d
  15:	45                   	rex.RB
[   49.401655][    C0] RSP: 0018:ffa000000327f520 EFLAGS: 00000202
[   49.401657][    C0] RAX: dffffc0000000000 RBX: 1ff400000064fead RCX: ffa0000003278000
[   49.401658][    C0] RDX: ffa0000003280000 RSI: ffa000000327fe00 RDI: ffa000000327f630
[   49.401659][    C0] RBP: ffa000000327fe10 R08: ffffffff98bb5b8a R09: ffffffff9898d8a8
[   49.401660][    C0] R10: ffffffff949c8c04 R11: 0000000000000007 R12: ffa000000327fe00
[   49.401661][    C0] R13: ffa000000327f620 R14: ffa000000327fe08 R15: ffffffff952b7ddf
[   49.401661][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401663][    C0]  ? exit_mm (kernel/exit.c:614)
[   49.401666][    C0]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   49.401668][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   49.401669][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   49.401671][    C0]  ? write_profile (profile.c:?)
[   49.401672][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   49.401674][    C0]  ? exit_mm (kernel/exit.c:614)
[   49.401677][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.401678][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.401680][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401681][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   49.401683][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.401684][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.401685][    C0]  ? kasan_save_free_info (mm/kasan/generic.c:584)
[   49.401687][    C0]  ? __kasan_slab_free (mm/kasan/common.c:253 mm/kasan/common.c:285)
[   49.401689][    C0]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   49.401690][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401691][    C0]  ? free_pgtables (mm/memory.c:401)
[   49.401692][    C0]  ? exit_mmap (mm/mmap.c:1327)
[   49.401694][    C0]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   49.401698][    C0]  kasan_save_track (mm/kasan/common.c:78)
[   49.401700][    C0]  kasan_save_free_info (mm/kasan/generic.c:584)
[   49.401702][    C0]  __kasan_slab_free (mm/kasan/common.c:253 mm/kasan/common.c:285)
[   49.401704][    C0]  kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   49.401705][    C0]  unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401707][    C0]  free_pgtables (mm/memory.c:401)
[   49.401710][    C0]  ? free_pgd_range (mm/memory.c:351)
[   49.401711][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401714][    C0]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   49.401716][    C0]  exit_mmap (mm/mmap.c:1327)
[   49.401718][    C0]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   49.401720][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401721][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401723][    C0]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   49.401726][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.401730][    C0]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   49.401732][    C0]  exit_mm (kernel/exit.c:614)
[   49.401733][    C0]  do_exit (kernel/exit.c:996)
[   49.401735][    C0]  ? exit_notify (kernel/exit.c:780)
[   49.401736][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401737][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401740][    C0]  do_group_exit (kernel/exit.c:1151)
[   49.401741][    C0]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   49.401742][    C0]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   49.401744][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.401745][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.401747][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.401748][    C0] RIP: 0033:0x7f8cf46d81b8
[   49.401750][    C0] Code: Unable to access opcode bytes at 0x7f8cf46d818e.

Code starting with the faulting instruction
===========================================
[   49.401751][    C0] RSP: 002b:00007ffd0927a858 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   49.401752][    C0] RAX: ffffffffffffffda RBX: 00007f8cf4808f88 RCX: 00007f8cf46d81b8
[   49.401753][    C0] RDX: 00007f8cf4422fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   49.401754][    C0] RBP: 00007ffd0927a8b0 R08: 0000000000000000 R09: 00000000ffffffff
[   49.401755][    C0] R10: 00007ffd0927a670 R11: 0000000000000246 R12: 0000000000000001
[   49.401756][    C0] R13: 0000000000000000 R14: 00007f8cf4807680 R15: 00007f8cf4808fa0
| [   49.401773][    C0] softirqs last disabled at (12533): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   49.401774][    C0] Preemption disabled at:
| [   49.401775][    C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   49.401779][    C0] Tainted: [W]=WARN
[   49.401780][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.401780][    C0] Call Trace:
[   49.401781][    C0]  <IRQ>
[   49.401781][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.401783][    C0]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   49.401785][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.401787][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.401790][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401792][    C0]  __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))
[   49.401794][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.401795][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.401797][    C0]  ? 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)
[   49.401799][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.401801][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   49.401802][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.401804][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   49.401806][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.401809][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.401810][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401812][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401814][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.401816][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.401818][    C0]  ? 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))
[   49.401820][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401821][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401823][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.401825][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.401827][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.401829][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.401831][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.401832][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401834][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.401836][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.401837][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.401839][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.401841][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.401844][    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))
[   49.401845][    C0]  _printk (kernel/printk/printk.c:2504)
[   49.401847][    C0]  ? snapshot_read.cold (user.c:?)
[   49.401849][    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))
[   49.401850][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401852][    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))
[   49.401854][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   49.401855][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   49.401857][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   49.401859][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   49.401860][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   49.401862][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.401863][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401865][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.401867][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   49.401868][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   49.401871][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   49.401872][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.401875][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.401877][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   49.401879][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   49.401881][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401882][    C0]  handle_softirqs (kernel/softirq.c:645)
[   49.401884][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401886][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   49.401887][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   49.401889][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   49.401890][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   49.401891][    C0]  </IRQ>
[   49.401892][    C0]  <TASK>
[   49.401893][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   49.401894][    C0] RIP: 0010:unwind_next_frame (./arch/x86/include/asm/stacktrace.h:59 arch/x86/kernel/unwind_orc.c:694)
[   49.401895][    C0] Code: 49 8d 7d 10 49 8b 4d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bb 05 00 00 49 8b 55 10 48 39 cd <41> 0f 93 c4 48 39 d5 0f 92 c0 41 20 c4 0f 84 7e f0 ff ff 48 8d 45
All code
========
   0:	49 8d 7d 10          	lea    0x10(%r13),%rdi
   4:	49 8b 4d 08          	mov    0x8(%r13),%rcx
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	48 89 fa             	mov    %rdi,%rdx
  15:	48 c1 ea 03          	shr    $0x3,%rdx
  19:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  1d:	0f 85 bb 05 00 00    	jne    0x5de
  23:	49 8b 55 10          	mov    0x10(%r13),%rdx
  27:	48 39 cd             	cmp    %rcx,%rbp
  2a:*	41 0f 93 c4          	setae  %r12b		<-- trapping instruction
  2e:	48 39 d5             	cmp    %rdx,%rbp
  31:	0f 92 c0             	setb   %al
  34:	41 20 c4             	and    %al,%r12b
  37:	0f 84 7e f0 ff ff    	je     0xfffffffffffff0bb
  3d:	48                   	rex.W
  3e:	8d                   	.byte 0x8d
  3f:	45                   	rex.RB

Code starting with the faulting instruction
===========================================
   0:	41 0f 93 c4          	setae  %r12b
   4:	48 39 d5             	cmp    %rdx,%rbp
   7:	0f 92 c0             	setb   %al
   a:	41 20 c4             	and    %al,%r12b
   d:	0f 84 7e f0 ff ff    	je     0xfffffffffffff091
  13:	48                   	rex.W
  14:	8d                   	.byte 0x8d
  15:	45                   	rex.RB
[   49.401896][    C0] RSP: 0018:ffa000000327f520 EFLAGS: 00000202
[   49.401897][    C0] RAX: dffffc0000000000 RBX: 1ff400000064fead RCX: ffa0000003278000
[   49.401898][    C0] RDX: ffa0000003280000 RSI: ffa000000327fe00 RDI: ffa000000327f630
[   49.401899][    C0] RBP: ffa000000327fe10 R08: ffffffff98bb5b8a R09: ffffffff9898d8a8
[   49.401900][    C0] R10: ffffffff949c8c04 R11: 0000000000000007 R12: ffa000000327fe00
[   49.401900][    C0] R13: ffa000000327f620 R14: ffa000000327fe08 R15: ffffffff952b7ddf
[   49.401901][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401903][    C0]  ? exit_mm (kernel/exit.c:614)
[   49.401905][    C0]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   49.401907][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   49.401909][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   49.401910][    C0]  ? write_profile (profile.c:?)
[   49.401911][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   49.401914][    C0]  ? exit_mm (kernel/exit.c:614)
[   49.401916][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.401917][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.401919][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401920][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   49.401922][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.401923][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.401925][    C0]  ? kasan_save_free_info (mm/kasan/generic.c:584)
[   49.401926][    C0]  ? __kasan_slab_free (mm/kasan/common.c:253 mm/kasan/common.c:285)
[   49.401928][    C0]  ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   49.401929][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401930][    C0]  ? free_pgtables (mm/memory.c:401)
[   49.401932][    C0]  ? exit_mmap (mm/mmap.c:1327)
[   49.401933][    C0]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   49.401937][    C0]  kasan_save_track (mm/kasan/common.c:78)
[   49.401939][    C0]  kasan_save_free_info (mm/kasan/generic.c:584)
[   49.401941][    C0]  __kasan_slab_free (mm/kasan/common.c:253 mm/kasan/common.c:285)
[   49.401943][    C0]  kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626)
[   49.401945][    C0]  unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   49.401947][    C0]  free_pgtables (mm/memory.c:401)
[   49.401949][    C0]  ? free_pgd_range (mm/memory.c:351)
[   49.401951][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401953][    C0]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   49.401955][    C0]  exit_mmap (mm/mmap.c:1327)
[   49.401957][    C0]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   49.401959][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.401960][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401962][    C0]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   49.401964][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.401968][    C0]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   49.401969][    C0]  exit_mm (kernel/exit.c:614)
[   49.401971][    C0]  do_exit (kernel/exit.c:996)
[   49.401973][    C0]  ? exit_notify (kernel/exit.c:780)
[   49.401974][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.401975][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.401977][    C0]  do_group_exit (kernel/exit.c:1151)
[   49.401979][    C0]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   49.401980][    C0]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   49.401981][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.401983][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.401984][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.401986][    C0] RIP: 0033:0x7f8cf46d81b8
[   49.401987][    C0] Code: Unable to access opcode bytes at 0x7f8cf46d818e.

Code starting with the faulting instruction
===========================================
[   49.401987][    C0] RSP: 002b:00007ffd0927a858 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   49.401988][    C0] RAX: ffffffffffffffda RBX: 00007f8cf4808f88 RCX: 00007f8cf46d81b8
[   49.401989][    C0] RDX: 00007f8cf4422fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   49.401990][    C0] RBP: 00007ffd0927a8b0 R08: 0000000000000000 R09: 00000000ffffffff
[   49.401990][    C0] R10: 00007ffd0927a670 R11: 0000000000000246 R12: 0000000000000001


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
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
ovpn_peer_keepalive_work:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars