======================================
| [   10.306538][  T239] softirqs last disabled at (13078): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.306541][  T239] Preemption disabled at:
| [   10.306541][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.306549][  T239] Tainted: [W]=WARN
[   10.306550][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.306552][  T239] Call Trace:
[   10.306553][  T239]  <TASK>
[   10.306555][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.306560][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.306562][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.306566][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.306570][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.306575][  T239]  __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))
[   10.306577][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.306583][  T239]  ? 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)
[   10.306585][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.306589][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   10.306591][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.306597][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.306605][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.306608][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.306612][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.306615][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.306617][  T239]  ? 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))
[   10.306620][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306623][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.306627][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.306631][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.306633][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306638][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.306640][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.306642][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306644][  T239]  ? 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)
[   10.306648][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.306649][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.306652][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.306655][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.306657][  T239]  ? save_trace (kernel/locking/lockdep.c:589)
[   10.306661][  T239]  _printk (kernel/printk/printk.c:2504)
[   10.306665][  T239]  ? snapshot_read.cold (user.c:?)
[   10.306668][  T239]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.306670][  T239]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.306673][  T239]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.306676][  T239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.306678][  T239]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.306680][  T239]  ? netdev_notice (net/core/dev.c:13194)
[   10.306683][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.306686][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.306689][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.306692][  T239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.306694][  T239]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.306696][  T239]  ? 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))
[   10.306701][  T239]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.306704][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   10.306706][  T239]  ? write_profile (profile.c:?)
[   10.306710][  T239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.306716][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.306719][  T239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.306721][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.306722][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.306725][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.306728][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.306730][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.306732][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.306734][  T239]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.306736][  T239]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.306737][  T239]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.306738][  T239]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.306740][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306742][  T239]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.306745][  T239]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.306749][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.306750][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.306753][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306755][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.306756][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306757][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306759][  T239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.306761][  T239]  ? __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)
[   10.306764][  T239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.306766][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.306769][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.306770][  T239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.306775][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306777][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.306782][  T239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.306787][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.306789][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306794][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.306796][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.306798][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.306799][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.306803][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.306805][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.306808][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.306809][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.306814][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.306815][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.306819][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.306822][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.306825][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.306831][  T239]  ? 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))
[   10.306833][  T239]  ? 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))
[   10.306837][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.306841][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.306843][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.306848][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.306851][  T239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.306855][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.306857][  T239]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.306862][  T239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.306865][  T239]  ____sys_sendmsg (net/socket.c:2713)
[   10.306867][  T239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.306869][  T239]  ? sock_write_iter (net/socket.c:1269)
[   10.306871][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   10.306878][  T239]  ___sys_sendmsg (net/socket.c:2767)
[   10.306881][  T239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.306896][  T239]  __sys_sendmsg (net/socket.c:2799)
[   10.306899][  T239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.306905][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.306907][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.306911][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.306913][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.306915][  T239] RIP: 0033:0x7f2a336f054e
[   10.306919][  T239] 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
[   10.306921][  T239] RSP: 002b:00007ffc307c9280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.306923][  T239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2a336f054e
[   10.306925][  T239] RDX: 0000000000000000 RSI: 00007ffc307c9330 RDI: 0000000000000005
[   10.306926][  T239] RBP: 00007ffc307c9290 R08: 0000000000000000 R09: 0000000000000000
[   10.306926][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90edeb
[   10.306927][  T239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc307c9a00
| [   80.000476][    C0]
| [   80.000476][    C0]
| [   80.000476][    C0] stack backtrace:
| [   80.000483][    C0] Tainted: [W]=WARN
[   80.000485][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.000487][    C0] Call Trace:
[   80.000488][    C0]  <IRQ>
[   80.000490][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.000495][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   80.000498][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   80.000501][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   80.000505][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   80.000508][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   80.000510][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   80.000513][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.000516][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   80.000519][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000521][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.000528][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   80.000531][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   80.000533][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   80.000536][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.000539][    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))
[   80.000541][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000543][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.000546][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.000549][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.000552][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.000555][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.000558][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.000561][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000563][    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)
[   80.000566][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.000568][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.000570][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.000573][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.000576][    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))
[   80.000579][    C0]  _printk (kernel/printk/printk.c:2504)
[   80.000581][    C0]  ? snapshot_read.cold (user.c:?)
[   80.000584][    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))
[   80.000586][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.000590][    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))
[   80.000592][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   80.000595][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   80.000597][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   80.000600][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   80.000603][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   80.000607][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.000610][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.000612][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000615][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   80.000617][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   80.000621][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   80.000623][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.000626][    C0]  ? trace_rcu_watching (./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/rcu.h:480)
[   80.000631][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.000635][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   80.000638][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   80.000641][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[   80.000643][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000645][    C0]  handle_softirqs (kernel/softirq.c:645)
[   80.000648][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   80.000651][    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)
[   80.000654][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   80.000656][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   80.000658][    C0]  common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 39))
[   80.000661][    C0]  </IRQ>
[   80.000661][    C0]  <TASK>
[   80.000663][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:665)
[   80.000665][    C0] RIP: 0010:lock_is_held_type (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5984)
[   80.000668][    C0] Code: ff ff ff 65 0f c1 15 12 8e 68 02 83 fa 01 8b 44 24 04 75 55 9c 5a 80 e6 02 75 6f 41 f7 c6 00 02 00 00 74 2c fb 48 8b 5c 24 08 <4c> 8b 74 24 28 4c 8b 7c 24 30 48 8b 6c 24 10 48 83 c4 38 c3 b8 ff
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 65 0f             	jmp    *0xf(%rbp)
   5:	c1 15 12 8e 68 02 83 	rcll   $0x83,0x2688e12(%rip)        # 0x2688e1e
   c:	fa                   	cli
   d:	01 8b 44 24 04 75    	add    %ecx,0x75042444(%rbx)
  13:	55                   	push   %rbp
  14:	9c                   	pushf
  15:	5a                   	pop    %rdx
  16:	80 e6 02             	and    $0x2,%dh
  19:	75 6f                	jne    0x8a
  1b:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  22:	74 2c                	je     0x50
  24:	fb                   	sti
  25:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
  2a:*	4c 8b 74 24 28       	mov    0x28(%rsp),%r14		<-- trapping instruction
  2f:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
  34:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
  39:	48 83 c4 38          	add    $0x38,%rsp
  3d:	c3                   	ret
  3e:	b8                   	.byte 0xb8
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	4c 8b 74 24 28       	mov    0x28(%rsp),%r14
   5:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
   a:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
   f:	48 83 c4 38          	add    $0x38,%rsp
  13:	c3                   	ret
  14:	b8                   	.byte 0xb8
  15:	ff                   	.byte 0xff
[   80.000670][    C0] RSP: 0018:ffffffffb2007c38 EFLAGS: 00000206
[   80.000673][    C0] RAX: 0000000000000000 RBX: ffffffffb2030600 RCX: 0000000000000000
[   80.000675][    C0] RDX: 0000000000000046 RSI: ffffffffb18f9f34 RDI: ffffffffb12949e0
[   80.000676][    C0] RBP: ffffffffb2030600 R08: 0000000000000001 R09: 1ffffffff65aa89b
[   80.000678][    C0] R10: 0000000000000000 R11: fffffbfff65aa89c R12: 0000000000000000
[   80.000679][    C0] R13: ff1100006c038290 R14: 0000000000000246 R15: 00000000ffffffff
[   80.000683][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000685][    C0]  schedule_debug (./include/linux/lockdep.h:249 kernel/sched/core.c:6108)
[   80.000688][    C0]  __schedule (kernel/sched/core.c:7119)
[   80.000691][    C0]  ? trace_rcu_watching (./include/trace/events/rcu.h:480 (discriminator 22))
[   80.000693][    C0]  ? ct_kernel_enter_state (./include/linux/context_tracking.h:137 (discriminator 3) kernel/context_tracking.c:72 (discriminator 3))
[   80.000695][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000697][    C0]  ? trace_cpu_idle (./include/trace/events/power.h:36 (discriminator 22))
[   80.000700][    C0]  ? io_schedule_timeout (kernel/sched/core.c:8159 (discriminator 1))
[   80.000702][    C0]  ? default_idle_call (kernel/sched/idle.c:129)
[   80.000705][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   80.000707][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   80.000711][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.000715][    C0]  schedule_idle (kernel/sched/core.c:7388)
[   80.000718][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   80.000720][    C0]  rest_init (init/main.c:727)
[   80.000723][    C0]  ? __cpuidle_text_end (??:?)
[   80.000726][    C0]  ? rest_init (init/main.c:727)
[   80.000729][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   80.000733][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   80.000736][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   80.000739][    C0]  start_kernel (init/main.c:1185)
[   80.000742][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   80.000744][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   80.000746][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   80.000773][    C0] softirqs last disabled at (4900317): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   80.000775][    C0] Preemption disabled at:
| [   80.000776][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   80.000783][    C0] Tainted: [W]=WARN
[   80.000784][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.000785][    C0] Call Trace:
[   80.000786][    C0]  <IRQ>
[   80.000787][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.000791][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   80.000793][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.000797][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.000800][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000802][    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))
[   80.000804][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.000807][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.000811][    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)
[   80.000813][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.000816][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   80.000819][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.000821][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   80.000824][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.000829][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.000832][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000833][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000836][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.000840][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.000842][    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))
[   80.000845][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000847][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.000850][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.000853][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.000856][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.000859][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.000862][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.000864][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000866][    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)
[   80.000869][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.000871][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.000874][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.000876][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.000879][    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))
[   80.000881][    C0]  _printk (kernel/printk/printk.c:2504)
[   80.000884][    C0]  ? snapshot_read.cold (user.c:?)
[   80.000887][    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))
[   80.000889][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.000893][    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))
[   80.000895][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   80.000898][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   80.000900][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   80.000903][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   80.000905][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   80.000907][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.000910][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.000912][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000915][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   80.000917][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   80.000921][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   80.000923][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.000926][    C0]  ? trace_rcu_watching (./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/rcu.h:480)
[   80.000929][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.000933][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   80.000936][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   80.000938][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[   80.000940][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000942][    C0]  handle_softirqs (kernel/softirq.c:645)
[   80.000945][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   80.000948][    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)
[   80.000951][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   80.000953][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   80.000955][    C0]  common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 39))
[   80.000957][    C0]  </IRQ>
[   80.000958][    C0]  <TASK>
[   80.000959][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:665)
[   80.000961][    C0] RIP: 0010:lock_is_held_type (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5984)
[   80.000963][    C0] Code: ff ff ff 65 0f c1 15 12 8e 68 02 83 fa 01 8b 44 24 04 75 55 9c 5a 80 e6 02 75 6f 41 f7 c6 00 02 00 00 74 2c fb 48 8b 5c 24 08 <4c> 8b 74 24 28 4c 8b 7c 24 30 48 8b 6c 24 10 48 83 c4 38 c3 b8 ff
All code
========
   0:	ff                   	(bad)
   1:	ff                   	(bad)
   2:	ff 65 0f             	jmp    *0xf(%rbp)
   5:	c1 15 12 8e 68 02 83 	rcll   $0x83,0x2688e12(%rip)        # 0x2688e1e
   c:	fa                   	cli
   d:	01 8b 44 24 04 75    	add    %ecx,0x75042444(%rbx)
  13:	55                   	push   %rbp
  14:	9c                   	pushf
  15:	5a                   	pop    %rdx
  16:	80 e6 02             	and    $0x2,%dh
  19:	75 6f                	jne    0x8a
  1b:	41 f7 c6 00 02 00 00 	test   $0x200,%r14d
  22:	74 2c                	je     0x50
  24:	fb                   	sti
  25:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
  2a:*	4c 8b 74 24 28       	mov    0x28(%rsp),%r14		<-- trapping instruction
  2f:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
  34:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
  39:	48 83 c4 38          	add    $0x38,%rsp
  3d:	c3                   	ret
  3e:	b8                   	.byte 0xb8
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	4c 8b 74 24 28       	mov    0x28(%rsp),%r14
   5:	4c 8b 7c 24 30       	mov    0x30(%rsp),%r15
   a:	48 8b 6c 24 10       	mov    0x10(%rsp),%rbp
   f:	48 83 c4 38          	add    $0x38,%rsp
  13:	c3                   	ret
  14:	b8                   	.byte 0xb8
  15:	ff                   	.byte 0xff
[   80.000965][    C0] RSP: 0018:ffffffffb2007c38 EFLAGS: 00000206
[   80.000966][    C0] RAX: 0000000000000000 RBX: ffffffffb2030600 RCX: 0000000000000000
[   80.000968][    C0] RDX: 0000000000000046 RSI: ffffffffb18f9f34 RDI: ffffffffb12949e0
[   80.000969][    C0] RBP: ffffffffb2030600 R08: 0000000000000001 R09: 1ffffffff65aa89b
[   80.000970][    C0] R10: 0000000000000000 R11: fffffbfff65aa89c R12: 0000000000000000
[   80.000971][    C0] R13: ff1100006c038290 R14: 0000000000000246 R15: 00000000ffffffff
[   80.000975][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000977][    C0]  schedule_debug (./include/linux/lockdep.h:249 kernel/sched/core.c:6108)
[   80.000980][    C0]  __schedule (kernel/sched/core.c:7119)
[   80.000982][    C0]  ? trace_rcu_watching (./include/trace/events/rcu.h:480 (discriminator 22))
[   80.000984][    C0]  ? ct_kernel_enter_state (./include/linux/context_tracking.h:137 (discriminator 3) kernel/context_tracking.c:72 (discriminator 3))
[   80.000986][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.000988][    C0]  ? trace_cpu_idle (./include/trace/events/power.h:36 (discriminator 22))
[   80.000990][    C0]  ? io_schedule_timeout (kernel/sched/core.c:8159 (discriminator 1))
[   80.000993][    C0]  ? default_idle_call (kernel/sched/idle.c:129)
[   80.000995][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   80.000997][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   80.000999][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.001002][    C0]  schedule_idle (kernel/sched/core.c:7388)
[   80.001005][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   80.001007][    C0]  rest_init (init/main.c:727)
[   80.001009][    C0]  ? __cpuidle_text_end (??:?)
[   80.001013][    C0]  ? rest_init (init/main.c:727)
[   80.001015][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   80.001018][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   80.001020][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   80.001023][    C0]  start_kernel (init/main.c:1185)
[   80.001025][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   80.001027][    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