======================================
| [    9.322782][  T194] softirqs last disabled at (33227): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.322784][  T194] Preemption disabled at:
| [    9.322784][  T194] 0x0
| [    9.322794][  T194] Tainted: [W]=WARN
[    9.322795][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.322796][  T194] Call Trace:
[    9.322798][  T194]  <TASK>
[    9.322799][  T194]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.322806][  T194]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.322810][  T194]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.322815][  T194]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.322820][  T194]  __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))
[    9.322822][  T194]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.322828][  T194]  ? 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)
[    9.322831][  T194]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.322835][  T194]  put_chars (drivers/char/virtio_console.c:1176)
[    9.322838][  T194]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.322839][  T194]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.322844][  T194]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.322849][  T194]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.322856][  T194]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.322858][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.322860][  T194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.322864][  T194]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.322868][  T194]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.322870][  T194]  ? 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))
[    9.322873][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.322875][  T194]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.322879][  T194]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.322884][  T194]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.322886][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.322891][  T194]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.322894][  T194]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.322895][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.322898][  T194]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.322902][  T194]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.322903][  T194]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.322907][  T194]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.322911][  T194]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.322914][  T194]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.322918][  T194]  _printk (kernel/printk/printk.c:2504)
[    9.322921][  T194]  ? snapshot_read.cold (user.c:?)
[    9.322924][  T194]  ? 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)
[    9.322927][  T194]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.322931][  T194]  ? 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)
[    9.322933][  T194]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.322937][  T194]  ? exit_notify (kernel/exit.c:780)
[    9.322939][  T194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.322942][  T194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.322946][  T194]  do_group_exit (kernel/exit.c:1151)
[    9.322949][  T194]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.322951][  T194]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.322953][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.322956][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.322959][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.322961][  T194] RIP: 0033:0x7f72d5e991b8
[    9.322964][  T194] Code: Unable to access opcode bytes at 0x7f72d5e9918e.

Code starting with the faulting instruction
===========================================
[    9.322965][  T194] RSP: 002b:00007ffeeb320708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.322967][  T194] RAX: ffffffffffffffda RBX: 00007f72d5fc9f88 RCX: 00007f72d5e991b8
[    9.322969][  T194] RDX: 00007f72d5be3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.322970][  T194] RBP: 00007ffeeb320760 R08: 0000000000000000 R09: 0000000000008010
[    9.322970][  T194] R10: 00007ffeeb320520 R11: 0000000000000246 R12: 0000000000000001
[    9.322971][  T194] R13: 0000000000000000 R14: 00007f72d5fc8680 R15: 00007f72d5fc9fa0
| [   10.403597][  T234] softirqs last disabled at (17900): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.403600][  T234] Preemption disabled at:
| [   10.403600][  T234] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.403612][  T234] Tainted: [W]=WARN
[   10.403613][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.403615][  T234] Call Trace:
[   10.403617][  T234]  <TASK>
[   10.403618][  T234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.403624][  T234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.403627][  T234]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.403631][  T234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.403636][  T234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.403641][  T234]  __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))
[   10.403643][  T234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.403649][  T234]  ? 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)
[   10.403652][  T234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.403655][  T234]  put_chars (drivers/char/virtio_console.c:1176)
[   10.403658][  T234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.403662][  T234]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.403666][  T234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.403669][  T234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.403671][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403673][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403677][  T234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.403679][  T234]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.403682][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403686][  T234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.403690][  T234]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.403694][  T234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.403696][  T234]  ? 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))
[   10.403699][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403702][  T234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.403706][  T234]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.403710][  T234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.403712][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403717][  T234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.403720][  T234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.403722][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403725][  T234]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.403728][  T234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.403730][  T234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.403733][  T234]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.403737][  T234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.403740][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.403741][  T234]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.403746][  T234]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.403750][  T234]  _printk (kernel/printk/printk.c:2504)
[   10.403753][  T234]  ? snapshot_read.cold (user.c:?)
[   10.403757][  T234]  ? br_multicast_flood (??:?) bridge
[   10.403770][  T234]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.403772][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.403773][  T234]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.403777][  T234] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   10.403787][  T234] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   10.403796][  T234] new_nbp (net/bridge/br_if.c:449) bridge
[   10.403805][  T234] br_add_if (net/bridge/br_if.c:592) bridge
[   10.403812][  T234]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.403817][  T234]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.403820][  T234]  ? __kernel_text_address (kernel/extable.c:79)
[   10.403824][  T234]  do_set_master (net/core/rtnetlink.c:3071)
[   10.403828][  T234]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.403832][  T234]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.403836][  T234]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.403837][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.403840][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.403844][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.403846][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.403848][  T234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.403851][  T234]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.403854][  T234]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.403856][  T234]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.403859][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403860][  T234]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.403863][  T234]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.403868][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.403870][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.403873][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403875][  T234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.403877][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403878][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.403881][  T234]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.403885][  T234]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.403886][  T234]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.403889][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.403892][  T234]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.403894][  T234]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.403899][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.403904][  T234]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.403909][  T234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.403911][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403916][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.403918][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.403920][  T234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.403922][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.403926][  T234]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.403928][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.403931][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.403932][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403937][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.403939][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.403942][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.403944][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.403947][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.403954][  T234]  ? 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))
[   10.403955][  T234]  ? 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))
[   10.403959][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.403963][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.403966][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.403970][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.403974][  T234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.403978][  T234]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.403983][  T234]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.403986][  T234]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.403988][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.403990][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   10.403997][  T234]  ___sys_sendmsg (net/socket.c:2767)
[   10.404000][  T234]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.404016][  T234]  __sys_sendmsg (net/socket.c:2799)
[   10.404019][  T234]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.404025][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.404029][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.404031][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.404039][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.404041][  T234] RIP: 0033:0x7f4fd7eb854e
[   10.404045][  T234] 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
[   10.404046][  T234] RSP: 002b:00007ffe8f6026b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.404049][  T234] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4fd7eb854e
[   10.404051][  T234] RDX: 0000000000000000 RSI: 00007ffe8f602760 RDI: 0000000000000005
[   10.404052][  T234] RBP: 00007ffe8f6026c0 R08: 0000000000000000 R09: 0000000000000000
[   10.404052][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911054
[   10.404053][  T234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8f602e20
| [   10.413012][    C0]
| [   10.413012][    C0]
| [   10.413012][    C0] stack backtrace:
| [   10.413018][    C0] Tainted: [W]=WARN
[   10.413018][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.413019][    C0] Call Trace:
[   10.413021][    C0]  <IRQ>
[   10.413021][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.413025][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   10.413027][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   10.413029][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   10.413032][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   10.413034][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   10.413039][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   10.413042][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.413044][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   10.413046][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413049][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.413051][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   10.413052][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[   10.413054][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[   10.413056][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.413059][    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))
[   10.413060][    C0]  _printk (kernel/printk/printk.c:2504)
[   10.413062][    C0]  ? snapshot_read.cold (user.c:?)
[   10.413064][    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))
[   10.413066][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.413068][    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))
[   10.413070][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.413071][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.413073][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   10.413075][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.413077][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.413080][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.413082][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.413084][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413086][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.413088][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   10.413090][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.413092][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.413094][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.413097][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.413099][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.413101][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.413103][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413105][    C0]  handle_softirqs (kernel/softirq.c:645)
[   10.413107][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.413108][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.413110][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.413112][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   10.413113][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.413115][    C0]  </IRQ>
[   10.413116][    C0]  <TASK>
[   10.413116][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   10.413118][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.413120][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   10.413122][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   10.413124][    C0] RSP: 0018:ffffffffb1007cf8 EFLAGS: 00000296
[   10.413125][    C0] RAX: 000000000005ec01 RBX: ffffffffb101c600 RCX: ffffffffae0f0307
[   10.413127][    C0] RDX: ffffffffb101c600 RSI: ffffffffb0e38b01 RDI: ffffffffb088d8e0
[   10.413128][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   10.413129][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6200fa2
[   10.413129][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   10.413131][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.413133][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.413135][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   10.413136][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   10.413138][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   10.413140][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   10.413141][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   10.413144][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.413146][    C0]  do_idle (kernel/sched/idle.c:355)
[   10.413148][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   10.413149][    C0]  rest_init (init/main.c:727)
[   10.413151][    C0]  ? __cpuidle_text_end (??:?)
[   10.413154][    C0]  ? rest_init (init/main.c:727)
[   10.413156][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   10.413159][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   10.413162][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   10.413164][    C0]  start_kernel (init/main.c:1185)
[   10.413166][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   10.413168][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   10.413170][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   17.863557][  T290] softirqs last disabled at (0): 0x0
| [   17.863559][  T290] Preemption disabled at:
| [   17.863560][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.863570][  T290] Tainted: [W]=WARN
[   17.863571][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.863573][  T290] Call Trace:
[   17.863574][  T290]  <TASK>
[   17.863576][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.863581][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.863583][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.863587][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.863590][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863594][  T290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.863598][  T290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.863600][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.863604][  T290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.863609][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.863611][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   17.863613][  T290]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.863614][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.863616][  T290]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   17.863619][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.863622][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.863623][  T290]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   17.863625][  T290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.863626][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863628][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863630][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.863632][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.863634][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.863636][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863638][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863639][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863641][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.863643][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   17.863645][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.863647][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.863650][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.863651][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.863653][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.863654][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863656][  T290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   17.863657][  T290]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.863659][  T290]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   17.863661][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.863663][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.863665][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.863668][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.863670][  T290]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   17.863673][  T290]  _printk (kernel/printk/printk.c:2504)
[   17.863676][  T290]  ? snapshot_read.cold (user.c:?)
[   17.863679][  T290]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   17.863681][  T290] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.863683][  T290]  do_one_initcall (init/main.c:1357)
[   17.863685][  T290]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.863687][  T290]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.863691][  T290]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.863695][  T290]  do_init_module (kernel/module/main.c:3117)
[   17.863698][  T290]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.863701][  T290]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.863704][  T290]  load_module (kernel/module/main.c:3593)
[   17.863709][  T290]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.863712][  T290]  ? __ia32_sys_fsconfig (??:?)
[   17.863715][  T290]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.863719][  T290]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.863723][  T290]  init_module_from_file (kernel/module/main.c:3790)
[   17.863726][  T290]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.863729][  T290]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   17.863732][  T290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.863734][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863736][  T290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   17.863737][  T290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.863739][  T290]  idempotent_init_module (kernel/module/main.c:3802)
[   17.863741][  T290]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.863744][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.863746][  T290]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.863749][  T290]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.863751][  T290]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.863754][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.863757][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.863759][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.863761][  T290] RIP: 0033:0x7f8f6486437d
[   17.863763][  T290] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   17.863764][  T290] RSP: 002b:00007fff938ea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.863768][  T290] RAX: ffffffffffffffda RBX: 0000561e4cd58810 RCX: 00007f8f6486437d
[   17.863770][  T290] RDX: 0000000000000000 RSI: 0000561e19126ffd RDI: 0000000000000000
[   17.863771][  T290] RBP: 00007fff938ea0d0 R08: 0000000000000000 R09: 0000000000000000
[   17.863771][  T290] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e19126ffd
[   17.863772][  T290] R13: 0000561e4cd58960 R14: 0000000000040000 R15: 0000000000000000
| [   20.852970][    C0] softirqs last disabled at (388099): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.852973][    C0] Preemption disabled at:
| [   20.852974][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   20.852989][    C0] Tainted: [W]=WARN
[   20.852990][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.852992][    C0] Call Trace:
[   20.852994][    C0]  <IRQ>
[   20.852996][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.853002][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   20.853004][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.853009][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.853013][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853018][    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))
[   20.853023][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.853026][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.853031][    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)
[   20.853033][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.853036][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   20.853039][    C0]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   20.853042][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.853045][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   20.853048][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.853053][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.853055][    C0]  ? 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)
[   20.853058][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.853060][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853062][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853065][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853068][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.853077][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.853080][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853082][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853084][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853087][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853090][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   20.853092][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.853096][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.853100][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.853102][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853105][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.853107][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853109][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.853112][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.853114][    C0]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   20.853117][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.853119][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.853122][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.853126][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.853128][    C0]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   20.853131][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853134][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853137][    C0]  _printk (kernel/printk/printk.c:2504)
[   20.853141][    C0]  ? snapshot_read.cold (user.c:?)
[   20.853143][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   20.853148][    C0]  ? __pskb_copy_fclone (./include/linux/skbuff.h:1725)
[   20.853153][    C0]  ? idr_get_free (??:?)
[   20.853156][    C0]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   20.853160][    C0] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   20.853166][    C0]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   20.853170][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   20.853174][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.853177][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   20.853182][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   20.853188][    C0] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   20.853193][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.853195][    C0]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   20.853206][    C0]  ? common_startup_64 (arch/x86/kernel/head_64.S:418)
[   20.853211][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853214][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   20.853217][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853219][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.853222][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   20.853225][    C0]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   20.853229][    C0]  tcf_classify (net/sched/cls_api.c:1875)
[   20.853232][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853235][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853237][    C0]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   20.853240][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853242][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853245][    C0]  tc_run (net/core/dev.c:4463)
[   20.853248][    C0]  ? default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   20.853252][    C0]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   20.853255][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853258][    C0]  __dev_queue_xmit (net/core/dev.c:4597 (discriminator 1) net/core/dev.c:4860 (discriminator 1))
[   20.853262][    C0]  ? write_profile (profile.c:?)
[   20.853265][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853267][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853270][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853272][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853274][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853277][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.853279][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   20.853282][    C0]  ? br_vlan_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/bridge/br_vlan.c:34) bridge
[   20.853298][    C0]  ? br_vlan_lookup (./include/linux/rcupdate.h:882 ./include/linux/rhashtable.h:711 net/bridge/br_vlan.c:34) bridge
[   20.853310][    C0]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.853314][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853316][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853319][    C0] br_dev_queue_push_xmit (./include/linux/netdevice.h:3461 net/bridge/br_forward.c:53) bridge
[   20.853334][    C0] br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   20.853346][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853349][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   20.853361][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   20.853364][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.853366][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853369][    C0]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   20.853371][    C0]  ? sock_def_readable (./include/linux/rcupdate.h:850 net/core/sock.c:3657)
[   20.853374][    C0]  ? sock_def_readable (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/sock.c:3663 (discriminator 2))
[   20.853377][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   20.853389][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   20.853401][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   20.853404][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.853406][    C0]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   20.853410][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   20.853416][    C0]  ? neigh_periodic_work (net/core/neighbour.c:993 (discriminator 1))
[   20.853419][    C0]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.853421][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   20.853424][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   20.853427][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   20.853430][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   20.853433][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853436][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853439][    C0]  process_backlog (net/core/dev.c:6728)
[   20.853443][    C0]  __napi_poll (net/core/dev.c:7787)
[   20.853446][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   20.853450][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   20.853453][    C0]  ? 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)
[   20.853458][    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   20.853461][    C0]  ? run_timer_softirq (kernel/time/timer.c:2387 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   20.853464][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853468][    C0]  handle_softirqs (kernel/softirq.c:645)
[   20.853471][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   20.853474][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   20.853476][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   20.853479][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   20.853481][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   20.853484][    C0]  </IRQ>
[   20.853485][    C0]  <TASK>
[   20.853486][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   20.853490][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   20.853493][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   20.853496][    C0] RSP: 0018:ffffffffb1007cf8 EFLAGS: 00000246
[   20.853500][    C0] RAX: 0000000000000000 RBX: ffffffffb101c600 RCX: 0000000000000001
[   20.853502][    C0] RDX: 0000000000000000 RSI: ffffffffb088d860 RDI: ffffffffae0f0307
[   20.853504][    C0] RBP: 0000000000000000 R08: ffffffffb0580421 R09: 1fe2200005d463a2
[   20.853505][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffffffff6200fa2
[   20.853506][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   20.853509][    C0]  ? ct_kernel_exit.constprop.0 (./include/linux/instrumented.h:97 kernel/context_tracking.c:124)
[   20.853512][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   20.853516][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   20.853519][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   20.853521][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   20.853524][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   20.853526][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   20.853530][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.853532][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.853535][    C0]  do_idle (kernel/sched/idle.c:355)
[   20.853537][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   20.853539][    C0]  rest_init (init/main.c:727)
[   20.853542][    C0]  ? __cpuidle_text_end (??:?)
[   20.853546][    C0]  ? rest_init (init/main.c:727)
[   20.853549][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   20.853554][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   20.853558][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   20.853561][    C0]  start_kernel (init/main.c:1185)
[   20.853564][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   20.853568][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)


Finger prints:
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning