======================================
| [   10.201078][  T186] softirqs last disabled at (26951): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.201080][  T186] Preemption disabled at:
| [   10.201080][  T186] 0x0
| [   10.201091][  T186] Tainted: [W]=WARN
[   10.201092][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.201093][  T186] Call Trace:
[   10.201095][  T186]  <TASK>
[   10.201096][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.201102][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.201107][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.201111][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.201115][  T186]  __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))
[   10.201117][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.201124][  T186]  ? 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)
[   10.201126][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.201130][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   10.201133][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.201135][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.201139][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.201144][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.201151][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.201154][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.201156][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.201160][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.201163][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.201165][  T186]  ? 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))
[   10.201168][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.201170][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.201173][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.201177][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.201179][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.201183][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.201186][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.201187][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.201189][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.201193][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.201194][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.201197][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.201201][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.201204][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.201207][  T186]  _printk (kernel/printk/printk.c:2504)
[   10.201211][  T186]  ? snapshot_read.cold (user.c:?)
[   10.201214][  T186]  ? 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)
[   10.201216][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.201219][  T186]  ? 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)
[   10.201222][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.201226][  T186]  ? exit_notify (kernel/exit.c:780)
[   10.201227][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.201230][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.201233][  T186]  do_group_exit (kernel/exit.c:1151)
[   10.201237][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.201239][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.201241][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.201244][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.201247][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.201249][  T186] RIP: 0033:0x7f1a4d6511b8
[   10.201251][  T186] Code: Unable to access opcode bytes at 0x7f1a4d65118e.

Code starting with the faulting instruction
===========================================
[   10.201253][  T186] RSP: 002b:00007ffc47e3b048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.201255][  T186] RAX: ffffffffffffffda RBX: 00007f1a4d781f88 RCX: 00007f1a4d6511b8
[   10.201256][  T186] RDX: 00007f1a4d39bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.201257][  T186] RBP: 00007ffc47e3b0a0 R08: 0000000000000000 R09: 0000000000000050
[   10.201258][  T186] R10: 00007ffc47e3ae60 R11: 0000000000000246 R12: 0000000000000001
[   10.201259][  T186] R13: 0000000000000000 R14: 00007f1a4d780680 R15: 00007f1a4d781fa0
| [   12.742387][  T260] softirqs last disabled at (34693): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.742389][  T260] Preemption disabled at:
| [   12.742390][  T260] 0x0
| [   12.742400][  T260] Tainted: [W]=WARN
[   12.742401][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.742402][  T260] Call Trace:
[   12.742404][  T260]  <TASK>
[   12.742405][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.742411][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.742416][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.742419][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.742424][  T260]  __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))
[   12.742426][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.742432][  T260]  ? 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)
[   12.742435][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.742439][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   12.742442][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.742443][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.742448][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.742453][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.742460][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.742462][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742465][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.742468][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.742472][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.742473][  T260]  ? 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))
[   12.742476][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742478][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.742482][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.742485][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.742487][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.742492][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.742494][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.742496][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742498][  T260]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.742501][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.742502][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.742505][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.742509][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.742512][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.742515][  T260]  _printk (kernel/printk/printk.c:2504)
[   12.742519][  T260]  ? snapshot_read.cold (user.c:?)
[   12.742521][  T260]  ? 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)
[   12.742524][  T260]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.742527][  T260]  ? 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)
[   12.742530][  T260]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.742533][  T260]  ? exit_notify (kernel/exit.c:780)
[   12.742535][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.742537][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.742541][  T260]  do_group_exit (kernel/exit.c:1151)
[   12.742544][  T260]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.742546][  T260]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.742548][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.742551][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.742554][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.742557][  T260] RIP: 0033:0x7f92086931b8
[   12.742559][  T260] Code: Unable to access opcode bytes at 0x7f920869318e.

Code starting with the faulting instruction
===========================================
[   12.742560][  T260] RSP: 002b:00007ffec75aae78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.742563][  T260] RAX: ffffffffffffffda RBX: 00007f92087c3f88 RCX: 00007f92086931b8
[   12.742564][  T260] RDX: 00007f92085d0a48 RSI: ffffffffffffffb0 RDI: 0000000000000000
[   12.742565][  T260] RBP: 00007ffec75aaed0 R08: 0000000000000000 R09: 0000000000000020
[   12.742566][  T260] R10: 00007ffec75aad10 R11: 0000000000000246 R12: 0000000000000002
[   12.742567][  T260] R13: 0000000000000000 R14: 00007f92087c2680 R15: 00007f92087c3fa0
| [   26.894764][  T846] softirqs last disabled at (43133): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.894766][  T846] Preemption disabled at:
| [   26.894767][  T846] 0x0
| [   26.894777][  T846] Tainted: [W]=WARN
[   26.894778][  T846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.894779][  T846] Call Trace:
[   26.894781][  T846]  <TASK>
[   26.894782][  T846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.894788][  T846]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.894793][  T846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.894796][  T846]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.894801][  T846]  __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))
[   26.894803][  T846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.894810][  T846]  ? 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)
[   26.894812][  T846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.894815][  T846]  put_chars (drivers/char/virtio_console.c:1176)
[   26.894818][  T846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.894820][  T846]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.894825][  T846]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.894830][  T846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.894837][  T846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.894839][  T846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.894842][  T846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.894845][  T846]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.894849][  T846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.894850][  T846]  ? 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))
[   26.894853][  T846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.894855][  T846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.894859][  T846]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.894863][  T846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.894864][  T846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.894869][  T846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.894872][  T846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.894873][  T846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.894875][  T846]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.894879][  T846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.894880][  T846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.894883][  T846]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.894887][  T846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.894890][  T846]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.894893][  T846]  _printk (kernel/printk/printk.c:2504)
[   26.894897][  T846]  ? snapshot_read.cold (user.c:?)
[   26.894900][  T846]  ? 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)
[   26.894902][  T846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.894905][  T846]  ? 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)
[   26.894908][  T846]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   26.894912][  T846]  ? exit_notify (kernel/exit.c:780)
[   26.894913][  T846]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.894916][  T846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.894920][  T846]  do_group_exit (kernel/exit.c:1151)
[   26.894923][  T846]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   26.894925][  T846]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   26.894927][  T846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.894931][  T846]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.894934][  T846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.894936][  T846] RIP: 0033:0x7f102774b1b8
[   26.894938][  T846] Code: Unable to access opcode bytes at 0x7f102774b18e.

Code starting with the faulting instruction
===========================================
[   26.894939][  T846] RSP: 002b:00007ffd0b060d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   26.894942][  T846] RAX: ffffffffffffffda RBX: 00007f102787bf88 RCX: 00007f102774b1b8
[   26.894943][  T846] RDX: 00007f1027572a88 RSI: ffffffffffffffa0 RDI: 0000000000000000
[   26.894944][  T846] RBP: 00007ffd0b060d70 R08: 0000000000000000 R09: 0000000000000000
[   26.894945][  T846] R10: 00007ffd0b060b50 R11: 0000000000000246 R12: 0000000000000001
[   26.894946][  T846] R13: 0000000000000000 R14: 00007f102787a680 R15: 00007f102787bfa0
| [   57.411844][    C0]
| [   57.411845][    C0]
| [   57.411845][    C0] stack backtrace:
| [   57.411853][    C0] Tainted: [W]=WARN
[   57.411854][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.411856][    C0] Call Trace:
[   57.411857][    C0]  <IRQ>
[   57.411859][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.411863][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   57.411867][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   57.411869][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   57.411873][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   57.411875][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   57.411877][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   57.411880][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   57.411882][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   57.411885][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.411888][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.411891][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   57.411893][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   57.411895][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   57.411898][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.411900][    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))
[   57.411902][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.411904][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.411907][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.411910][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.411912][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.411915][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.411917][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.411919][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.411922][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.411924][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.411926][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.411929][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.411931][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.411935][    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))
[   57.411937][    C0]  _printk (kernel/printk/printk.c:2504)
[   57.411939][    C0]  ? snapshot_read.cold (user.c:?)
[   57.411942][    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))
[   57.411944][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.411947][    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))
[   57.411950][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.411952][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.411954][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   57.411957][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   57.411959][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.411963][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.411966][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.411969][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.411971][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   57.411973][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.411977][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   57.411979][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.411983][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.411986][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   57.411989][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   57.411991][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.411994][    C0]  handle_softirqs (kernel/softirq.c:645)
[   57.411996][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.411998][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   57.412001][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   57.412003][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   57.412005][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   57.412008][    C0]  </IRQ>
[   57.412009][    C0]  <TASK>
[   57.412010][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   57.412012][    C0] RIP: 0010:lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.412015][    C0] Code: d4 07 00 48 8b 0c 24 65 48 ff 41 08 65 8b 05 bb aa 5e 04 83 f8 3f 0f 86 b7 fe ff ff 90 0f 0b 90 e9 ae fe ff ff e8 ac 8f 08 00 <84> c0 0f 85 af fe ff ff 48 8d 3d 0d 79 d9 03 67 48 0f b9 3a e9 9e
All code
========
   0:	d4                   	(bad)
   1:	07                   	(bad)
   2:	00 48 8b             	add    %cl,-0x75(%rax)
   5:	0c 24                	or     $0x24,%al
   7:	65 48 ff 41 08       	incq   %gs:0x8(%rcx)
   c:	65 8b 05 bb aa 5e 04 	mov    %gs:0x45eaabb(%rip),%eax        # 0x45eaace
  13:	83 f8 3f             	cmp    $0x3f,%eax
  16:	0f 86 b7 fe ff ff    	jbe    0xfffffffffffffed3
  1c:	90                   	nop
  1d:	0f 0b                	ud2
  1f:	90                   	nop
  20:	e9 ae fe ff ff       	jmp    0xfffffffffffffed3
  25:	e8 ac 8f 08 00       	call   0x88fd6
  2a:*	84 c0                	test   %al,%al		<-- trapping instruction
  2c:	0f 85 af fe ff ff    	jne    0xfffffffffffffee1
  32:	48 8d 3d 0d 79 d9 03 	lea    0x3d9790d(%rip),%rdi        # 0x3d97946
  39:	67 48 0f b9 3a       	ud1    (%edx),%rdi
  3e:	e9                   	.byte 0xe9
  3f:	9e                   	sahf

Code starting with the faulting instruction
===========================================
   0:	84 c0                	test   %al,%al
   2:	0f 85 af fe ff ff    	jne    0xfffffffffffffeb7
   8:	48 8d 3d 0d 79 d9 03 	lea    0x3d9790d(%rip),%rdi        # 0x3d9791c
   f:	67 48 0f b9 3a       	ud1    (%edx),%rdi
  14:	e9                   	.byte 0xe9
  15:	9e                   	sahf
[   57.412018][    C0] RSP: 0000:ffa000000475fb58 EFLAGS: 00000286
[   57.412021][    C0] RAX: 0000000000000001 RBX: ffffffff9d3d13c0 RCX: 0000000000000000
[   57.412023][    C0] RDX: 0000000000000003 RSI: ffffffff9c68d860 RDI: ffffffff9ccf9980
[   57.412025][    C0] RBP: ffd40000002b3bc0 R08: 0000000000000001 R09: ff1100000c0b8b78
[   57.412026][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100001796cac0
[   57.412027][    C0] R13: ffd40000002b3bc0 R14: ffffffff9a45c9d2 R15: ffa000000475fdc8
[   57.412029][    C0]  ? wp_page_copy (./include/linux/mmu_notifier.h:480 (discriminator 2) mm/memory.c:4038 (discriminator 2))
[   57.412033][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.412035][    C0]  ? wp_page_copy (./include/linux/mmu_notifier.h:475 (discriminator 2) mm/memory.c:4038 (discriminator 2))
[   57.412038][    C0]  wp_page_copy (./include/linux/mmu_notifier.h:480 (discriminator 2) mm/memory.c:4038 (discriminator 2))
[   57.412040][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.412043][    C0]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.412045][    C0]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.412048][    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)
[   57.412050][    C0]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   57.412053][    C0]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4467)
[   57.412056][    C0]  handle_pte_fault (mm/memory.c:6582)
[   57.412059][    C0]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   57.412063][    C0]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   57.412065][    C0]  __handle_mm_fault (mm/memory.c:6707)
[   57.412068][    C0]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.412070][    C0]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   57.412075][    C0]  handle_mm_fault (mm/memory.c:6876)
[   57.412078][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412080][    C0]  do_user_addr_fault (arch/x86/mm/fault.c:1343)
[   57.412084][    C0]  ? irqentry_enter (./include/linux/irq-entry-common.h:108 ./include/linux/irq-entry-common.h:293 kernel/entry/common.c:116)
[   57.412086][    C0]  exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   57.412088][    C0]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:595)
[   57.412090][    C0] RIP: 0033:0x7fc2793dfede
[   57.412094][    C0] Code: f6 0f 84 e7 03 00 00 f6 83 56 03 00 00 20 0f 85 da 03 00 00 48 8b 43 60 48 85 c0 74 04 48 01 70 08 48 8b 43 58 48 85 c0 74 04 <48> 01 70 08 48 8b 43 68 48 85 c0 74 04 48 01 70 08 48 8b 43 70 48
All code
========
   0:	f6 0f 84             	testb  $0x84,(%rdi)
   3:	e7 03                	out    %eax,$0x3
   5:	00 00                	add    %al,(%rax)
   7:	f6 83 56 03 00 00 20 	testb  $0x20,0x356(%rbx)
   e:	0f 85 da 03 00 00    	jne    0x3ee
  14:	48 8b 43 60          	mov    0x60(%rbx),%rax
  18:	48 85 c0             	test   %rax,%rax
  1b:	74 04                	je     0x21
  1d:	48 01 70 08          	add    %rsi,0x8(%rax)
  21:	48 8b 43 58          	mov    0x58(%rbx),%rax
  25:	48 85 c0             	test   %rax,%rax
  28:	74 04                	je     0x2e
  2a:*	48 01 70 08          	add    %rsi,0x8(%rax)		<-- trapping instruction
  2e:	48 8b 43 68          	mov    0x68(%rbx),%rax
  32:	48 85 c0             	test   %rax,%rax
  35:	74 04                	je     0x3b
  37:	48 01 70 08          	add    %rsi,0x8(%rax)
  3b:	48 8b 43 70          	mov    0x70(%rbx),%rax
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 01 70 08          	add    %rsi,0x8(%rax)
   4:	48 8b 43 68          	mov    0x68(%rbx),%rax
   8:	48 85 c0             	test   %rax,%rax
   b:	74 04                	je     0x11
   d:	48 01 70 08          	add    %rsi,0x8(%rax)
  11:	48 8b 43 70          	mov    0x70(%rbx),%rax
  15:	48                   	rex.W
[   57.412096][    C0] RSP: 002b:00007ffed9742ba0 EFLAGS: 00010202
[   57.412098][    C0] RAX: 00007fc2793c8d10 RBX: 00007fc2793ce810 RCX: 00007fc2793ce850
[   57.412099][    C0] RDX: 00007fc2793c8e20 RSI: 00007fc279319000 RDI: 00007fc2793c9198
[   57.412100][    C0] RBP: 00007ffed9742d00 R08: 00007fc2793ca000 R09: 000000000000000f
[   57.412101][    C0] R10: 00000000effffef5 R11: 0000000000000039 R12: 0000000000000003
[   57.412103][    C0] R13: 00007ffed97429d8 R14: 00007ffed9742da0 R15: 00007fc2793c91d8
| [   57.412127][    C0] softirqs last disabled at (7629): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   57.412129][    C0] Preemption disabled at:
| [   57.412130][    C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   57.412136][    C0] Tainted: [W]=WARN
[   57.412137][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.412138][    C0] Call Trace:
[   57.412139][    C0]  <IRQ>
[   57.412139][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   57.412142][    C0]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   57.412144][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   57.412148][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   57.412151][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412154][    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))
[   57.412156][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.412158][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.412161][    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)
[   57.412163][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   57.412167][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   57.412170][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   57.412173][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   57.412176][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   57.412180][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   57.412183][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412185][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412188][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   57.412191][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   57.412193][    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))
[   57.412196][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412198][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   57.412200][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   57.412204][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   57.412206][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.412209][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   57.412211][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   57.412213][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412216][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   57.412218][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   57.412220][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   57.412223][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   57.412226][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   57.412229][    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))
[   57.412232][    C0]  _printk (kernel/printk/printk.c:2504)
[   57.412234][    C0]  ? snapshot_read.cold (user.c:?)
[   57.412237][    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))
[   57.412239][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.412242][    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))
[   57.412244][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.412247][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.412249][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   57.412252][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   57.412254][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   57.412256][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.412258][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.412261][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   57.412263][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   57.412266][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   57.412269][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   57.412273][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   57.412277][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   57.412280][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   57.412283][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   57.412285][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412288][    C0]  handle_softirqs (kernel/softirq.c:645)
[   57.412290][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   57.412292][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   57.412295][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   57.412297][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   57.412299][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   57.412301][    C0]  </IRQ>
[   57.412302][    C0]  <TASK>
[   57.412303][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   57.412305][    C0] RIP: 0010:lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.412307][    C0] Code: d4 07 00 48 8b 0c 24 65 48 ff 41 08 65 8b 05 bb aa 5e 04 83 f8 3f 0f 86 b7 fe ff ff 90 0f 0b 90 e9 ae fe ff ff e8 ac 8f 08 00 <84> c0 0f 85 af fe ff ff 48 8d 3d 0d 79 d9 03 67 48 0f b9 3a e9 9e
All code
========
   0:	d4                   	(bad)
   1:	07                   	(bad)
   2:	00 48 8b             	add    %cl,-0x75(%rax)
   5:	0c 24                	or     $0x24,%al
   7:	65 48 ff 41 08       	incq   %gs:0x8(%rcx)
   c:	65 8b 05 bb aa 5e 04 	mov    %gs:0x45eaabb(%rip),%eax        # 0x45eaace
  13:	83 f8 3f             	cmp    $0x3f,%eax
  16:	0f 86 b7 fe ff ff    	jbe    0xfffffffffffffed3
  1c:	90                   	nop
  1d:	0f 0b                	ud2
  1f:	90                   	nop
  20:	e9 ae fe ff ff       	jmp    0xfffffffffffffed3
  25:	e8 ac 8f 08 00       	call   0x88fd6
  2a:*	84 c0                	test   %al,%al		<-- trapping instruction
  2c:	0f 85 af fe ff ff    	jne    0xfffffffffffffee1
  32:	48 8d 3d 0d 79 d9 03 	lea    0x3d9790d(%rip),%rdi        # 0x3d97946
  39:	67 48 0f b9 3a       	ud1    (%edx),%rdi
  3e:	e9                   	.byte 0xe9
  3f:	9e                   	sahf

Code starting with the faulting instruction
===========================================
   0:	84 c0                	test   %al,%al
   2:	0f 85 af fe ff ff    	jne    0xfffffffffffffeb7
   8:	48 8d 3d 0d 79 d9 03 	lea    0x3d9790d(%rip),%rdi        # 0x3d9791c
   f:	67 48 0f b9 3a       	ud1    (%edx),%rdi
  14:	e9                   	.byte 0xe9
  15:	9e                   	sahf
[   57.412309][    C0] RSP: 0000:ffa000000475fb58 EFLAGS: 00000286
[   57.412310][    C0] RAX: 0000000000000001 RBX: ffffffff9d3d13c0 RCX: 0000000000000000
[   57.412311][    C0] RDX: 0000000000000003 RSI: ffffffff9c68d860 RDI: ffffffff9ccf9980
[   57.412313][    C0] RBP: ffd40000002b3bc0 R08: 0000000000000001 R09: ff1100000c0b8b78
[   57.412314][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff1100001796cac0
[   57.412315][    C0] R13: ffd40000002b3bc0 R14: ffffffff9a45c9d2 R15: ffa000000475fdc8
[   57.412317][    C0]  ? wp_page_copy (./include/linux/mmu_notifier.h:480 (discriminator 2) mm/memory.c:4038 (discriminator 2))
[   57.412321][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   57.412323][    C0]  ? wp_page_copy (./include/linux/mmu_notifier.h:475 (discriminator 2) mm/memory.c:4038 (discriminator 2))
[   57.412325][    C0]  wp_page_copy (./include/linux/mmu_notifier.h:480 (discriminator 2) mm/memory.c:4038 (discriminator 2))
[   57.412328][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   57.412330][    C0]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   57.412333][    C0]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   57.412335][    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)
[   57.412337][    C0]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   57.412340][    C0]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4467)
[   57.412343][    C0]  handle_pte_fault (mm/memory.c:6582)
[   57.412345][    C0]  ? do_numa_page.isra.0 (mm/memory.c:6319 (discriminator 1))
[   57.412348][    C0]  ? mksaveddirty_shift (./arch/x86/include/asm/pgtable.h:373)
[   57.412351][    C0]  __handle_mm_fault (mm/memory.c:6707)
[   57.412353][    C0]  ? lock_vma_under_rcu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) mm/mmap_lock.c:329 (discriminator 2))
[   57.412355][    C0]  ? __pmd_alloc (./include/linux/mm.h:1762)
[   57.412360][    C0]  handle_mm_fault (mm/memory.c:6876)
[   57.412363][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   57.412365][    C0]  do_user_addr_fault (arch/x86/mm/fault.c:1343)
[   57.412369][    C0]  ? irqentry_enter (./include/linux/irq-entry-common.h:108 ./include/linux/irq-entry-common.h:293 kernel/entry/common.c:116)
[   57.412371][    C0]  exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   57.412373][    C0]  asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:595)
[   57.412375][    C0] RIP: 0033:0x7fc2793dfede
[   57.412377][    C0] Code: f6 0f 84 e7 03 00 00 f6 83 56 03 00 00 20 0f 85 da 03 00 00 48 8b 43 60 48 85 c0 74 04 48 01 70 08 48 8b 43 58 48 85 c0 74 04 <48> 01 70 08 48 8b 43 68 48 85 c0 74 04 48 01 70 08 48 8b 43 70 48
All code
========
   0:	f6 0f 84             	testb  $0x84,(%rdi)
   3:	e7 03                	out    %eax,$0x3
   5:	00 00                	add    %al,(%rax)
   7:	f6 83 56 03 00 00 20 	testb  $0x20,0x356(%rbx)
   e:	0f 85 da 03 00 00    	jne    0x3ee
  14:	48 8b 43 60          	mov    0x60(%rbx),%rax
  18:	48 85 c0             	test   %rax,%rax
  1b:	74 04                	je     0x21
  1d:	48 01 70 08          	add    %rsi,0x8(%rax)
  21:	48 8b 43 58          	mov    0x58(%rbx),%rax
  25:	48 85 c0             	test   %rax,%rax
  28:	74 04                	je     0x2e
  2a:*	48 01 70 08          	add    %rsi,0x8(%rax)		<-- trapping instruction
  2e:	48 8b 43 68          	mov    0x68(%rbx),%rax
  32:	48 85 c0             	test   %rax,%rax
  35:	74 04                	je     0x3b
  37:	48 01 70 08          	add    %rsi,0x8(%rax)
  3b:	48 8b 43 70          	mov    0x70(%rbx),%rax
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 01 70 08          	add    %rsi,0x8(%rax)
   4:	48 8b 43 68          	mov    0x68(%rbx),%rax
   8:	48 85 c0             	test   %rax,%rax
   b:	74 04                	je     0x11
   d:	48 01 70 08          	add    %rsi,0x8(%rax)
  11:	48 8b 43 70          	mov    0x70(%rbx),%rax
  15:	48                   	rex.W
[   57.412379][    C0] RSP: 002b:00007ffed9742ba0 EFLAGS: 00010202
[   57.412380][    C0] RAX: 00007fc2793c8d10 RBX: 00007fc2793ce810 RCX: 00007fc2793ce850
[   57.412381][    C0] RDX: 00007fc2793c8e20 RSI: 00007fc279319000 RDI: 00007fc2793c9198
[   57.412382][    C0] RBP: 00007ffed9742d00 R08: 00007fc2793ca000 R09: 000000000000000f
[   57.412383][    C0] R10: 00000000effffef5 R11: 0000000000000039 R12: 0000000000000003


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