======================================
| [   13.375435][  T259] softirqs last disabled at (26312): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.375438][  T259] Preemption disabled at:
| [   13.375438][  T259] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.375448][  T259] Tainted: [W]=WARN
[   13.375449][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.375450][  T259] Call Trace:
[   13.375452][  T259]  <TASK>
[   13.375454][  T259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.375460][  T259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.375461][  T259]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.375466][  T259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.375471][  T259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.375476][  T259]  __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))
[   13.375477][  T259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.375484][  T259]  ? 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)
[   13.375487][  T259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.375491][  T259]  put_chars (drivers/char/virtio_console.c:1176)
[   13.375494][  T259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.375500][  T259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.375508][  T259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.375512][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.375516][  T259]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.375520][  T259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.375522][  T259]  ? 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))
[   13.375525][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375528][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.375532][  T259]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.375537][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.375538][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.375544][  T259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.375547][  T259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.375549][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375550][  T259]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.375554][  T259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.375556][  T259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.375559][  T259]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.375562][  T259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.375564][  T259]  ? save_trace (kernel/locking/lockdep.c:589)
[   13.375569][  T259]  _printk (kernel/printk/printk.c:2504)
[   13.375572][  T259]  ? snapshot_read.cold (user.c:?)
[   13.375576][  T259]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.375578][  T259]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.375583][  T259]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.375585][  T259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.375588][  T259]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.375591][  T259]  ? netdev_notice (net/core/dev.c:13194)
[   13.375593][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.375600][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.375602][  T259]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.375606][  T259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.375608][  T259]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.375610][  T259]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   13.375616][  T259]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.375618][  T259]  ? __kernel_text_address (kernel/extable.c:79)
[   13.375621][  T259]  ? write_profile (profile.c:?)
[   13.375626][  T259]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.375631][  T259]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.375635][  T259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.375637][  T259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.375638][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.375641][  T259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.375645][  T259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.375647][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.375649][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.375651][  T259]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.375653][  T259]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.375654][  T259]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.375656][  T259]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.375658][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.375660][  T259]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.375663][  T259]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.375667][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.375669][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.375671][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375673][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.375675][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375676][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375677][  T259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.375680][  T259]  ? __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)
[   13.375682][  T259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.375684][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.375688][  T259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.375689][  T259]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.375694][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375696][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.375701][  T259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.375706][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.375708][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.375713][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.375715][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.375717][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.375719][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.375723][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.375725][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.375728][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.375729][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.375734][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.375736][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.375739][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.375743][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.375746][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.375752][  T259]  ? 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))
[   13.375754][  T259]  ? 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))
[   13.375759][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.375763][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.375766][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.375770][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.375774][  T259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.375778][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.375779][  T259]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.375785][  T259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.375788][  T259]  ____sys_sendmsg (net/socket.c:2713)
[   13.375790][  T259]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.375792][  T259]  ? sock_write_iter (net/socket.c:1269)
[   13.375794][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   13.375801][  T259]  ___sys_sendmsg (net/socket.c:2767)
[   13.375804][  T259]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.375820][  T259]  __sys_sendmsg (net/socket.c:2799)
[   13.375823][  T259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.375829][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.375832][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.375836][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.375838][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.375840][  T259] RIP: 0033:0x7fc14b44e54e
[   13.375845][  T259] 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
[   13.375846][  T259] RSP: 002b:00007ffe1a9a11e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.375849][  T259] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc14b44e54e
[   13.375850][  T259] RDX: 0000000000000000 RSI: 00007ffe1a9a1290 RDI: 0000000000000005
[   13.375851][  T259] RBP: 00007ffe1a9a11f0 R08: 0000000000000000 R09: 0000000000000000
[   13.375852][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d9c1
[   13.375853][  T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1a9a1960
| [  170.029173][    C0]
| [  170.029174][    C0]
| [  170.029174][    C0] stack backtrace:
| [  170.029180][    C0] Tainted: [W]=WARN
[  170.029181][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.029183][    C0] Call Trace:
[  170.029184][    C0]  <IRQ>
[  170.029185][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.029189][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  170.029192][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  170.029193][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  170.029196][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  170.029198][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  170.029200][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  170.029202][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  170.029204][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  170.029206][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029208][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.029210][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  170.029212][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  170.029214][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  170.029216][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.029217][    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))
[  170.029219][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029221][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.029223][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.029225][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.029226][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.029229][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.029231][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.029232][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029234][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  170.029235][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.029237][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.029239][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.029240][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.029242][    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))
[  170.029244][    C0]  _printk (kernel/printk/printk.c:2504)
[  170.029245][    C0]  ? snapshot_read.cold (user.c:?)
[  170.029247][    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))
[  170.029249][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.029252][    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))
[  170.029253][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  170.029255][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  170.029256][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  170.029258][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  170.029260][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  170.029263][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.029265][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.029267][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029268][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  170.029270][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  170.029272][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  170.029274][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.029277][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.029279][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  170.029281][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  170.029283][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.029286][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029287][    C0]  handle_softirqs (kernel/softirq.c:645)
[  170.029289][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.029290][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  170.029293][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  170.029294][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  170.029296][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  170.029297][    C0]  </IRQ>
[  170.029298][    C0]  <TASK>
[  170.029298][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  170.029300][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  170.029301][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  170.029304][    C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 0e 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 92 68 02 	mov    0x2689294(%rip),%rdi        # 0x268929b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 e3 a0 00 	sub    0xa0e358(%rip),%rax        # 0xa0e36b
  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 16 0e 00 	verw   0xe1613(%rip)        # 0xe163b
  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
[  170.029306][    C0] RSP: 0018:ffffffff93807cf8 EFLAGS: 00000296
[  170.029308][    C0] RAX: 00000000002451a7 RBX: ffffffff93830600 RCX: ffffffff8ff06247
[  170.029309][    C0] RDX: ffffffff93830600 RSI: ffffffff93111042 RDI: ffffffff92a949e0
[  170.029310][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  170.029311][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2700fa2
[  170.029311][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  170.029313][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  170.029315][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  170.029317][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  170.029318][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  170.029320][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  170.029321][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  170.029323][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  170.029325][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029327][    C0]  do_idle (kernel/sched/idle.c:355)
[  170.029328][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  170.029330][    C0]  rest_init (init/main.c:727)
[  170.029332][    C0]  ? __cpuidle_text_end (??:?)
[  170.029334][    C0]  ? rest_init (init/main.c:727)
[  170.029336][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  170.029339][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  170.029341][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  170.029343][    C0]  start_kernel (init/main.c:1185)
[  170.029345][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  170.029346][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  170.029348][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  170.029367][    C0] softirqs last disabled at (2380201): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  170.029369][    C0] Preemption disabled at:
| [  170.029369][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [  170.029375][    C0] Tainted: [W]=WARN
[  170.029375][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.029376][    C0] Call Trace:
[  170.029376][    C0]  <IRQ>
[  170.029377][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.029379][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[  170.029381][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.029384][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.029387][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029388][    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))
[  170.029390][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.029391][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.029394][    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)
[  170.029395][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.029398][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  170.029400][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.029401][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[  170.029403][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.029407][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.029408][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029409][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029411][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.029413][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.029415][    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))
[  170.029417][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029418][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.029420][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.029422][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.029424][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.029426][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.029428][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.029430][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029431][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  170.029433][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.029434][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.029435][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.029437][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.029439][    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))
[  170.029440][    C0]  _printk (kernel/printk/printk.c:2504)
[  170.029442][    C0]  ? snapshot_read.cold (user.c:?)
[  170.029444][    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))
[  170.029445][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.029448][    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))
[  170.029449][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  170.029451][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  170.029452][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  170.029455][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  170.029456][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  170.029458][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.029459][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.029461][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029463][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  170.029464][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  170.029466][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  170.029468][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.029471][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.029473][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  170.029475][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  170.029477][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.029478][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029479][    C0]  handle_softirqs (kernel/softirq.c:645)
[  170.029481][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.029483][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  170.029485][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  170.029486][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  170.029488][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  170.029489][    C0]  </IRQ>
[  170.029490][    C0]  <TASK>
[  170.029490][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  170.029492][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  170.029493][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  170.029495][    C0] Code: 48 8b 3d 94 92 68 02 e8 1f 00 00 00 48 2b 05 58 e3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 16 0e 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 92 68 02 	mov    0x2689294(%rip),%rdi        # 0x268929b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 e3 a0 00 	sub    0xa0e358(%rip),%rax        # 0xa0e36b
  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 16 0e 00 	verw   0xe1613(%rip)        # 0xe163b
  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
[  170.029496][    C0] RSP: 0018:ffffffff93807cf8 EFLAGS: 00000296
[  170.029497][    C0] RAX: 00000000002451a7 RBX: ffffffff93830600 RCX: ffffffff8ff06247
[  170.029498][    C0] RDX: ffffffff93830600 RSI: ffffffff93111042 RDI: ffffffff92a949e0
[  170.029499][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  170.029499][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2700fa2
[  170.029500][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  170.029501][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  170.029504][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  170.029505][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  170.029506][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  170.029508][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  170.029509][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  170.029511][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  170.029512][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.029514][    C0]  do_idle (kernel/sched/idle.c:355)
[  170.029515][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  170.029517][    C0]  rest_init (init/main.c:727)
[  170.029518][    C0]  ? __cpuidle_text_end (??:?)
[  170.029521][    C0]  ? rest_init (init/main.c:727)
[  170.029522][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  170.029524][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  170.029525][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  170.029527][    C0]  start_kernel (init/main.c:1185)
[  170.029529][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  170.029530][    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
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars