======================================
| [   11.330446][  T256] softirqs last disabled at (20610): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.330449][  T256] Preemption disabled at:
| [   11.330450][  T256] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.330458][  T256] Tainted: [W]=WARN
[   11.330459][  T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.330461][  T256] Call Trace:
[   11.330462][  T256]  <TASK>
[   11.330464][  T256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.330470][  T256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.330472][  T256]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.330476][  T256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.330481][  T256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.330491][  T256]  __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))
[   11.330494][  T256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.330501][  T256]  ? 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)
[   11.330504][  T256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.330508][  T256]  put_chars (drivers/char/virtio_console.c:1176)
[   11.330510][  T256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.330517][  T256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.330525][  T256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.330528][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.330533][  T256]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.330536][  T256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.330538][  T256]  ? 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))
[   11.330542][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330544][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.330548][  T256]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.330553][  T256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.330555][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.330560][  T256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.330563][  T256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.330565][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330567][  T256]  ? 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)
[   11.330571][  T256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.330572][  T256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.330575][  T256]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.330578][  T256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.330581][  T256]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.330585][  T256]  _printk (kernel/printk/printk.c:2504)
[   11.330588][  T256]  ? snapshot_read.cold (user.c:?)
[   11.330592][  T256]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.330594][  T256]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.330598][  T256]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.330601][  T256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.330603][  T256]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.330606][  T256]  ? netdev_notice (net/core/dev.c:13194)
[   11.330609][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.330612][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.330614][  T256]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.330618][  T256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.330620][  T256]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.330622][  T256]  ? 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))
[   11.330628][  T256]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.330630][  T256]  ? __kernel_text_address (kernel/extable.c:79)
[   11.330633][  T256]  ? write_profile (profile.c:?)
[   11.330637][  T256]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.330643][  T256]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.330646][  T256]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.330649][  T256]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.330650][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.330653][  T256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.330656][  T256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.330658][  T256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.330660][  T256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.330663][  T256]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.330664][  T256]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.330666][  T256]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.330667][  T256]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.330669][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.330671][  T256]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.330674][  T256]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.330678][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.330680][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.330683][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330685][  T256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.330687][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330688][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330689][  T256]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.330692][  T256]  ? __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)
[   11.330694][  T256]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.330696][  T256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.330700][  T256]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.330701][  T256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.330706][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330708][  T256]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.330714][  T256]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.330719][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.330721][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.330726][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.330728][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.330730][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.330732][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.330735][  T256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.330737][  T256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.330741][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.330742][  T256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.330747][  T256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.330749][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.330752][  T256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.330755][  T256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.330758][  T256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.330765][  T256]  ? 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))
[   11.330767][  T256]  ? 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))
[   11.330772][  T256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.330776][  T256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.330778][  T256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.330782][  T256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.330786][  T256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.330790][  T256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.330792][  T256]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.330797][  T256]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.330800][  T256]  ____sys_sendmsg (net/socket.c:2713)
[   11.330804][  T256]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.330807][  T256]  ? sock_write_iter (net/socket.c:1269)
[   11.330810][  T256]  ? move_addr_to_kernel (net/socket.c:258)
[   11.330820][  T256]  ___sys_sendmsg (net/socket.c:2767)
[   11.330823][  T256]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.330840][  T256]  __sys_sendmsg (net/socket.c:2799)
[   11.330843][  T256]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.330849][  T256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.330852][  T256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.330855][  T256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.330858][  T256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.330860][  T256] RIP: 0033:0x7fc8cfed554e
[   11.330864][  T256] 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
[   11.330866][  T256] RSP: 002b:00007ffd240dcff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.330869][  T256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc8cfed554e
[   11.330870][  T256] RDX: 0000000000000000 RSI: 00007ffd240dd0a0 RDI: 0000000000000005
[   11.330871][  T256] RBP: 00007ffd240dd000 R08: 0000000000000000 R09: 0000000000000000
[   11.330872][  T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a9ac
[   11.330873][  T256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd240dd770
| [  118.537535][    C0]
| [  118.537535][    C0]
| [  118.537535][    C0] stack backtrace:
| [  118.537543][    C0] Tainted: [W]=WARN
[  118.537544][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.537546][    C0] Call Trace:
[  118.537548][    C0]  <IRQ>
[  118.537549][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.537555][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  118.537559][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  118.537561][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  118.537566][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  118.537569][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  118.537572][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  118.537576][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  118.537579][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  118.537582][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537585][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.537588][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  118.537591][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  118.537594][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  118.537597][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.537600][    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))
[  118.537603][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537605][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.537608][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.537612][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.537615][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.537618][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.537621][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.537623][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537625][    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)
[  118.537628][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.537630][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.537633][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.537635][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.537638][    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))
[  118.537641][    C0]  _printk (kernel/printk/printk.c:2504)
[  118.537643][    C0]  ? snapshot_read.cold (user.c:?)
[  118.537646][    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))
[  118.537648][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.537652][    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))
[  118.537654][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.537657][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.537659][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  118.537662][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  118.537664][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  118.537668][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.537670][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.537673][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537675][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  118.537678][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.537682][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  118.537685][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.537689][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.537694][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  118.537697][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  118.537700][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.537703][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537705][    C0]  handle_softirqs (kernel/softirq.c:645)
[  118.537708][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.537711][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  118.537715][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  118.537717][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  118.537719][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  118.537722][    C0]  </IRQ>
[  118.537723][    C0]  <TASK>
[  118.537723][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  118.537726][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  118.537729][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  118.537732][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 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 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  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 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  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
[  118.537734][    C0] RSP: 0018:ffffffffac007cf8 EFLAGS: 00000296
[  118.537737][    C0] RAX: 000000000019c009 RBX: ffffffffac030600 RCX: ffffffffa8706247
[  118.537739][    C0] RDX: ffffffffac030600 RSI: ffffffffab911011 RDI: ffffffffab2949e0
[  118.537741][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  118.537743][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5800fa2
[  118.537744][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  118.537747][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  118.537750][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  118.537753][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  118.537755][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  118.537757][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  118.537760][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  118.537763][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  118.537766][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537769][    C0]  do_idle (kernel/sched/idle.c:355)
[  118.537772][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  118.537774][    C0]  rest_init (init/main.c:727)
[  118.537777][    C0]  ? __cpuidle_text_end (??:?)
[  118.537781][    C0]  ? rest_init (init/main.c:727)
[  118.537783][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  118.537788][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  118.537790][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  118.537794][    C0]  start_kernel (init/main.c:1185)
[  118.537797][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  118.537799][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  118.537802][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  118.537834][    C0] softirqs last disabled at (1687563): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  118.537836][    C0] Preemption disabled at:
| [  118.537837][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [  118.537845][    C0] Tainted: [W]=WARN
[  118.537846][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.537847][    C0] Call Trace:
[  118.537848][    C0]  <IRQ>
[  118.537849][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.537852][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[  118.537855][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.537858][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.537863][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537865][    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))
[  118.537867][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.537870][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.537873][    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)
[  118.537876][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.537879][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  118.537882][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.537884][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[  118.537887][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.537892][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.537894][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537896][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537899][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.537902][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.537904][    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))
[  118.537907][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537909][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.537912][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.537915][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.537917][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.537921][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.537924][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.537926][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537928][    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)
[  118.537931][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.537933][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.537935][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.537938][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.537941][    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))
[  118.537944][    C0]  _printk (kernel/printk/printk.c:2504)
[  118.537947][    C0]  ? snapshot_read.cold (user.c:?)
[  118.537950][    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))
[  118.537952][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.537956][    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))
[  118.537959][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.537961][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.537964][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  118.537967][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  118.537970][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  118.537972][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  118.537975][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.537978][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.537981][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  118.537984][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  118.537987][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  118.537990][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  118.537995][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.537998][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  118.538002][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  118.538004][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.538007][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.538008][    C0]  handle_softirqs (kernel/softirq.c:645)
[  118.538011][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  118.538014][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  118.538017][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  118.538020][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  118.538022][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  118.538024][    C0]  </IRQ>
[  118.538025][    C0]  <TASK>
[  118.538026][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  118.538029][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  118.538037][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  118.538039][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 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 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  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 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  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
[  118.538041][    C0] RSP: 0018:ffffffffac007cf8 EFLAGS: 00000296
[  118.538043][    C0] RAX: 000000000019c009 RBX: ffffffffac030600 RCX: ffffffffa8706247
[  118.538044][    C0] RDX: ffffffffac030600 RSI: ffffffffab911011 RDI: ffffffffab2949e0
[  118.538045][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  118.538047][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5800fa2
[  118.538048][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  118.538051][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  118.538054][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  118.538056][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  118.538059][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  118.538061][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  118.538064][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  118.538066][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  118.538069][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.538072][    C0]  do_idle (kernel/sched/idle.c:355)
[  118.538074][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  118.538077][    C0]  rest_init (init/main.c:727)
[  118.538080][    C0]  ? __cpuidle_text_end (??:?)
[  118.538084][    C0]  ? rest_init (init/main.c:727)
[  118.538087][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  118.538090][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  118.538092][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  118.538095][    C0]  start_kernel (init/main.c:1185)
[  118.538098][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  118.538100][    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