======================================
| [   12.139891][  T228] softirqs last disabled at (19495): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   12.139893][  T228] Preemption disabled at:
| [   12.139894][  T228] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.139903][  T228] Tainted: [W]=WARN
[   12.139904][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.139906][  T228] Call Trace:
[   12.139907][  T228]  <TASK>
[   12.139909][  T228]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.139915][  T228]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.139917][  T228]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.139922][  T228]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.139926][  T228]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.139931][  T228]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.139933][  T228]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.139940][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.139943][  T228]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.139947][  T228]  put_chars (drivers/char/virtio_console.c:1176)
[   12.139949][  T228]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.139956][  T228]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.139964][  T228]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.139967][  T228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.139972][  T228]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.139976][  T228]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.139978][  T228]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.139981][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.139984][  T228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.139988][  T228]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.139992][  T228]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.139994][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.140000][  T228]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.140003][  T228]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.140005][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.140007][  T228]  ? 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)
[   12.140011][  T228]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.140012][  T228]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.140015][  T228]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.140018][  T228]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.140021][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.140025][  T228]  _printk (kernel/printk/printk.c:2504)
[   12.140029][  T228]  ? snapshot_read.cold (user.c:?)
[   12.140031][  T228]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.140033][  T228]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.140037][  T228]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   12.140039][  T228]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   12.140040][  T228]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[   12.140042][  T228]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.140046][  T228]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.140049][  T228]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.140051][  T228]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.140054][  T228]  ? netdev_notice (net/core/dev.c:13194)
[   12.140057][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.140060][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.140062][  T228]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.140066][  T228]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.140068][  T228]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.140070][  T228]  ? register_netdev (net/core/dev.c:11618)
[   12.140072][  T228]  ? 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))
[   12.140078][  T228]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.140081][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   12.140084][  T228]  ? write_profile (profile.c:?)
[   12.140088][  T228]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.140094][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.140097][  T228]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.140099][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.140101][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.140104][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.140107][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.140109][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.140111][  T228]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.140114][  T228]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.140116][  T228]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.140117][  T228]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.140118][  T228]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.140121][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.140123][  T228]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.140126][  T228]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.140130][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.140132][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.140135][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.140136][  T228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.140138][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.140139][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.140141][  T228]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.140143][  T228]  ? __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)
[   12.140145][  T228]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.140147][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.140151][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.140152][  T228]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.140157][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.140160][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.140165][  T228]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.140171][  T228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.140173][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.140177][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.140179][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.140181][  T228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.140183][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.140187][  T228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.140189][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.140193][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.140194][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.140199][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.140201][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.140205][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.140208][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.140211][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.140218][  T228]  ? 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))
[   12.140220][  T228]  ? 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))
[   12.140225][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.140229][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.140232][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.140236][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.140240][  T228]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.140244][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.140246][  T228]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.140252][  T228]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.140255][  T228]  ____sys_sendmsg (net/socket.c:2713)
[   12.140257][  T228]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.140260][  T228]  ? sock_write_iter (net/socket.c:1269)
[   12.140261][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   12.140269][  T228]  ___sys_sendmsg (net/socket.c:2767)
[   12.140272][  T228]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.140289][  T228]  __sys_sendmsg (net/socket.c:2799)
[   12.140291][  T228]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.140298][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.140301][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.140304][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.140307][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.140309][  T228] RIP: 0033:0x7fad1ccde54e
[   12.140314][  T228] 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
[   12.140315][  T228] RSP: 002b:00007ffcfb5f03a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.140318][  T228] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fad1ccde54e
[   12.140320][  T228] RDX: 0000000000000000 RSI: 00007ffcfb5f0450 RDI: 0000000000000005
[   12.140321][  T228] RBP: 00007ffcfb5f03b0 R08: 0000000000000000 R09: 0000000000000000
[   12.140321][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd2e
[   12.140322][  T228] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfb5f0b20
| [   17.607403][  T342] softirqs last disabled at (25466): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.607406][  T342] Preemption disabled at:
| [   17.607407][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.607420][  T342] Tainted: [W]=WARN
[   17.607421][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.607424][  T342] Call Trace:
[   17.607426][  T342]  <TASK>
[   17.607428][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.607437][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.607439][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.607446][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.607452][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.607459][  T342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.607463][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.607473][  T342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.607477][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.607483][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   17.607487][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.607499][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.607511][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.607517][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.607525][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.607531][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.607534][  T342]  ? 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))
[   17.607540][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.607544][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.607551][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.607558][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.607561][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.607571][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.607576][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.607579][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.607582][  T342]  ? 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)
[   17.607589][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.607592][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.607597][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.607602][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.607607][  T342]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   17.607615][  T342]  _printk (kernel/printk/printk.c:2504)
[   17.607626][  T342]  ? snapshot_read.cold (user.c:?)
[   17.607628][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.607633][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.607638][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.607641][  T342]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   17.607647][  T342]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   17.607651][  T342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.607655][  T342]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.607659][  T342]  ? netdev_notice (net/core/dev.c:13194)
[   17.607663][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.607672][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.607676][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.607682][  T342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.607686][  T342]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.607689][  T342]  ? register_netdev (net/core/dev.c:11618)
[   17.607692][  T342]  ? 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))
[   17.607700][  T342]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.607705][  T342]  ? __kernel_text_address (kernel/extable.c:79)
[   17.607708][  T342]  ? write_profile (profile.c:?)
[   17.607715][  T342]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.607724][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.607730][  T342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.607734][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.607736][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.607739][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.607744][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.607748][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.607751][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.607755][  T342]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.607758][  T342]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.607760][  T342]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.607762][  T342]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   17.607766][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.607769][  T342]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   17.607773][  T342]  ? ___sys_sendmsg (net/socket.c:2758)
[   17.607780][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.607783][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.607788][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.607791][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.607794][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.607796][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.607799][  T342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.607803][  T342]  ? __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)
[   17.607805][  T342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.607809][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.607815][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.607817][  T342]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.607825][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.607830][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.607839][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.607850][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.607853][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.607861][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.607864][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.607868][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.607871][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.607878][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.607882][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.607887][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.607890][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.607898][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.607901][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.607908][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.607913][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.607918][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.607930][  T342]  ? 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))
[   17.607933][  T342]  ? 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))
[   17.607942][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.607949][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.607953][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.607961][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.607968][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.607975][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.607978][  T342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   17.607986][  T342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.607992][  T342]  ____sys_sendmsg (net/socket.c:2713)
[   17.607995][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.607999][  T342]  ? sock_write_iter (net/socket.c:1269)
[   17.608001][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   17.608016][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   17.608020][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.608052][  T342]  __sys_sendmsg (net/socket.c:2799)
[   17.608056][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.608068][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.608074][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.608078][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.608083][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.608087][  T342] RIP: 0033:0x7fecac3fe54e
[   17.608092][  T342] 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
[   17.608095][  T342] RSP: 002b:00007fff53cee2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.608099][  T342] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fecac3fe54e
[   17.608101][  T342] RDX: 0000000000000000 RSI: 00007fff53cee380 RDI: 0000000000000005
[   17.608103][  T342] RBP: 00007fff53cee2e0 R08: 0000000000000000 R09: 0000000000000000
[   17.608104][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd33
[   17.608106][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff53ceea50
| [   23.070904][  T456] softirqs last disabled at (25832): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.070907][  T456] Preemption disabled at:
| [   23.070907][  T456] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.070916][  T456] Tainted: [W]=WARN
[   23.070917][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.070918][  T456] Call Trace:
[   23.070920][  T456]  <TASK>
[   23.070922][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.070927][  T456]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.070929][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.070933][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.070937][  T456]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.070942][  T456]  __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))
[   23.070944][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.070950][  T456]  ? 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)
[   23.070953][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.070956][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   23.070959][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.070965][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.070972][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.070975][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.070980][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.070983][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.070985][  T456]  ? 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))
[   23.070988][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.070991][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.070995][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.070999][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.071001][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.071006][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.071009][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.071011][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.071012][  T456]  ? 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)
[   23.071016][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.071018][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.071020][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.071024][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.071026][  T456]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   23.071031][  T456]  _printk (kernel/printk/printk.c:2504)
[   23.071034][  T456]  ? snapshot_read.cold (user.c:?)
[   23.071036][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.071039][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.071041][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.071043][  T456]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.071047][  T456]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.071050][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.071052][  T456]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.071055][  T456]  ? netdev_notice (net/core/dev.c:13194)
[   23.071057][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.071060][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.071063][  T456]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.071066][  T456]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.071068][  T456]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.071070][  T456]  ? register_netdev (net/core/dev.c:11618)
[   23.071071][  T456]  ? 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))
[   23.071077][  T456]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.071079][  T456]  ? __kernel_text_address (kernel/extable.c:79)
[   23.071081][  T456]  ? write_profile (profile.c:?)
[   23.071085][  T456]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.071091][  T456]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.071094][  T456]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.071096][  T456]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.071097][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.071099][  T456]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.071103][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.071104][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.071106][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.071108][  T456]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.071110][  T456]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.071112][  T456]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.071113][  T456]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.071115][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.071117][  T456]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.071120][  T456]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.071124][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.071126][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.071128][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.071130][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.071131][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.071133][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.071134][  T456]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.071136][  T456]  ? __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)
[   23.071138][  T456]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.071140][  T456]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.071143][  T456]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.071144][  T456]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.071149][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.071151][  T456]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.071156][  T456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.071161][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.071163][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.071168][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.071169][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.071171][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.071173][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.071177][  T456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.071179][  T456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.071182][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.071183][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.071187][  T456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.071189][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.071193][  T456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.071196][  T456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.071199][  T456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.071205][  T456]  ? 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))
[   23.071207][  T456]  ? 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))
[   23.071211][  T456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.071215][  T456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.071218][  T456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.071222][  T456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.071226][  T456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.071229][  T456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.071231][  T456]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.071236][  T456]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.071239][  T456]  ____sys_sendmsg (net/socket.c:2713)
[   23.071241][  T456]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.071243][  T456]  ? sock_write_iter (net/socket.c:1269)
[   23.071245][  T456]  ? move_addr_to_kernel (net/socket.c:258)
[   23.071252][  T456]  ___sys_sendmsg (net/socket.c:2767)
[   23.071255][  T456]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.071270][  T456]  __sys_sendmsg (net/socket.c:2799)
[   23.071273][  T456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.071279][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.071282][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.071284][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.071287][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.071290][  T456] RIP: 0033:0x7f5efd01f54e
[   23.071293][  T456] 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
[   23.071295][  T456] RSP: 002b:00007fff345078f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.071298][  T456] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5efd01f54e
[   23.071299][  T456] RDX: 0000000000000000 RSI: 00007fff345079a0 RDI: 0000000000000005
[   23.071300][  T456] RBP: 00007fff34507900 R08: 0000000000000000 R09: 0000000000000000
[   23.071301][  T456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd39
[   23.071302][  T456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff34508070
| [   28.423441][  T570] softirqs last disabled at (22572): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.423444][  T570] Preemption disabled at:
| [   28.423444][  T570] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.423453][  T570] Tainted: [W]=WARN
[   28.423454][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.423456][  T570] Call Trace:
[   28.423457][  T570]  <TASK>
[   28.423459][  T570]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.423465][  T570]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.423466][  T570]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.423471][  T570]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.423476][  T570]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.423480][  T570]  __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))
[   28.423482][  T570]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.423488][  T570]  ? 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)
[   28.423491][  T570]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.423495][  T570]  put_chars (drivers/char/virtio_console.c:1176)
[   28.423497][  T570]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.423504][  T570]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.423512][  T570]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.423515][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.423519][  T570]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.423524][  T570]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.423525][  T570]  ? 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))
[   28.423529][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423531][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.423535][  T570]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.423540][  T570]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.423542][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.423547][  T570]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.423550][  T570]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.423552][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423553][  T570]  ? 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)
[   28.423557][  T570]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.423559][  T570]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.423561][  T570]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.423564][  T570]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.423567][  T570]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   28.423572][  T570]  _printk (kernel/printk/printk.c:2504)
[   28.423575][  T570]  ? snapshot_read.cold (user.c:?)
[   28.423577][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.423580][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.423589][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.423591][  T570]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.423595][  T570]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.423598][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.423600][  T570]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.423603][  T570]  ? netdev_notice (net/core/dev.c:13194)
[   28.423606][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.423609][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.423611][  T570]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.423614][  T570]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.423617][  T570]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.423619][  T570]  ? register_netdev (net/core/dev.c:11618)
[   28.423623][  T570]  ? 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))
[   28.423629][  T570]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.423631][  T570]  ? __kernel_text_address (kernel/extable.c:79)
[   28.423634][  T570]  ? write_profile (profile.c:?)
[   28.423638][  T570]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.423643][  T570]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.423647][  T570]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.423649][  T570]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.423650][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.423652][  T570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.423655][  T570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.423657][  T570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.423659][  T570]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.423661][  T570]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.423663][  T570]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.423664][  T570]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.423666][  T570]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.423668][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.423670][  T570]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.423673][  T570]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.423676][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.423678][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.423681][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423683][  T570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.423684][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423685][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423687][  T570]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.423689][  T570]  ? __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)
[   28.423691][  T570]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.423692][  T570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.423696][  T570]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.423697][  T570]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.423702][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423704][  T570]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.423709][  T570]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.423714][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.423716][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.423721][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.423722][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.423724][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.423726][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.423730][  T570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.423732][  T570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.423735][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.423736][  T570]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.423741][  T570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.423743][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.423746][  T570]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.423749][  T570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.423752][  T570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.423759][  T570]  ? 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))
[   28.423761][  T570]  ? 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))
[   28.423765][  T570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.423769][  T570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.423772][  T570]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.423776][  T570]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.423780][  T570]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.423784][  T570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.423785][  T570]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.423790][  T570]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.423793][  T570]  ____sys_sendmsg (net/socket.c:2713)
[   28.423795][  T570]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.423798][  T570]  ? sock_write_iter (net/socket.c:1269)
[   28.423799][  T570]  ? move_addr_to_kernel (net/socket.c:258)
[   28.423806][  T570]  ___sys_sendmsg (net/socket.c:2767)
[   28.423809][  T570]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.423825][  T570]  __sys_sendmsg (net/socket.c:2799)
[   28.423827][  T570]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.423834][  T570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.423837][  T570]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.423840][  T570]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.423843][  T570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.423845][  T570] RIP: 0033:0x7f6b191e754e
[   28.423850][  T570] 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
[   28.423852][  T570] RSP: 002b:00007ffea0de3b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.423854][  T570] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b191e754e
[   28.423856][  T570] RDX: 0000000000000000 RSI: 00007ffea0de3c40 RDI: 0000000000000005
[   28.423857][  T570] RBP: 00007ffea0de3ba0 R08: 0000000000000000 R09: 0000000000000000
[   28.423857][  T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd3e
[   28.423858][  T570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea0de4310
| [   32.858900][  T681] softirqs last disabled at (23766): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.858903][  T681] Preemption disabled at:
| [   32.858903][  T681] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.858912][  T681] Tainted: [W]=WARN
[   32.858913][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.858915][  T681] Call Trace:
[   32.858916][  T681]  <TASK>
[   32.858917][  T681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.858923][  T681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.858925][  T681]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.858930][  T681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.858934][  T681]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.858938][  T681]  __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))
[   32.858940][  T681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.858947][  T681]  ? 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)
[   32.858949][  T681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.858953][  T681]  put_chars (drivers/char/virtio_console.c:1176)
[   32.858956][  T681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.858962][  T681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.858970][  T681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.858973][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.858977][  T681]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.858981][  T681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.858983][  T681]  ? 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))
[   32.858986][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.858989][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.858993][  T681]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.858997][  T681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.858999][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.859004][  T681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.859007][  T681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.859009][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.859011][  T681]  ? 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)
[   32.859014][  T681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.859016][  T681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.859019][  T681]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.859022][  T681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.859025][  T681]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   32.859030][  T681]  _printk (kernel/printk/printk.c:2504)
[   32.859033][  T681]  ? snapshot_read.cold (user.c:?)
[   32.859035][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.859038][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.859040][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.859042][  T681]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.859046][  T681]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.859049][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.859051][  T681]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.859054][  T681]  ? netdev_notice (net/core/dev.c:13194)
[   32.859057][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.859060][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.859063][  T681]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.859066][  T681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.859068][  T681]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.859070][  T681]  ? register_netdev (net/core/dev.c:11618)
[   32.859072][  T681]  ? 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))
[   32.859077][  T681]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.859079][  T681]  ? __kernel_text_address (kernel/extable.c:79)
[   32.859082][  T681]  ? write_profile (profile.c:?)
[   32.859086][  T681]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.859092][  T681]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.859095][  T681]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.859098][  T681]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.859099][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.859101][  T681]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.859104][  T681]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.859106][  T681]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.859108][  T681]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.859110][  T681]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.859112][  T681]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.859113][  T681]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.859114][  T681]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.859116][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.859118][  T681]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   32.859121][  T681]  ? ___sys_sendmsg (net/socket.c:2758)
[   32.859125][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.859127][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.859130][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.859131][  T681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.859133][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.859134][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.859136][  T681]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.859138][  T681]  ? __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)
[   32.859139][  T681]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.859141][  T681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.859144][  T681]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.859145][  T681]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.859150][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.859152][  T681]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.859158][  T681]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.859163][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.859165][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.859169][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.859171][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.859173][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.859175][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.859179][  T681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.859181][  T681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.859184][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.859185][  T681]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.859189][  T681]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.859191][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.859195][  T681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.859199][  T681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.859202][  T681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.859208][  T681]  ? 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))
[   32.859210][  T681]  ? 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))
[   32.859215][  T681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.859219][  T681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.859221][  T681]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.859225][  T681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.859229][  T681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.859233][  T681]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.859235][  T681]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   32.859240][  T681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.859243][  T681]  ____sys_sendmsg (net/socket.c:2713)
[   32.859245][  T681]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.859247][  T681]  ? sock_write_iter (net/socket.c:1269)
[   32.859249][  T681]  ? move_addr_to_kernel (net/socket.c:258)
[   32.859256][  T681]  ___sys_sendmsg (net/socket.c:2767)
[   32.859259][  T681]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.859275][  T681]  __sys_sendmsg (net/socket.c:2799)
[   32.859277][  T681]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.859283][  T681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.859286][  T681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.859290][  T681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.859293][  T681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.859295][  T681] RIP: 0033:0x7f959a0b154e
[   32.859299][  T681] 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
[   32.859301][  T681] RSP: 002b:00007fff7797fb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.859304][  T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f959a0b154e
[   32.859305][  T681] RDX: 0000000000000000 RSI: 00007fff7797fbb0 RDI: 0000000000000005
[   32.859306][  T681] RBP: 00007fff7797fb10 R08: 0000000000000000 R09: 0000000000000000
[   32.859307][  T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd43
[   32.859308][  T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff77980280
| [   38.650332][  T796] softirqs last disabled at (20296): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.650335][  T796] Preemption disabled at:
| [   38.650335][  T796] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.650344][  T796] Tainted: [W]=WARN
[   38.650345][  T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.650347][  T796] Call Trace:
[   38.650349][  T796]  <TASK>
[   38.650350][  T796]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.650356][  T796]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.650358][  T796]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.650363][  T796]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.650367][  T796]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.650372][  T796]  __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))
[   38.650373][  T796]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.650380][  T796]  ? 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)
[   38.650383][  T796]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.650387][  T796]  put_chars (drivers/char/virtio_console.c:1176)
[   38.650389][  T796]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.650396][  T796]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.650403][  T796]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.650406][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.650411][  T796]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.650415][  T796]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.650416][  T796]  ? 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))
[   38.650420][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650422][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.650426][  T796]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.650430][  T796]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.650432][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.650438][  T796]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.650441][  T796]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.650442][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650444][  T796]  ? 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)
[   38.650448][  T796]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.650449][  T796]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.650452][  T796]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.650455][  T796]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.650458][  T796]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   38.650463][  T796]  _printk (kernel/printk/printk.c:2504)
[   38.650467][  T796]  ? snapshot_read.cold (user.c:?)
[   38.650468][  T796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.650471][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.650474][  T796]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.650476][  T796]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.650480][  T796]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.650483][  T796]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.650485][  T796]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.650488][  T796]  ? netdev_notice (net/core/dev.c:13194)
[   38.650491][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.650494][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.650496][  T796]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.650500][  T796]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.650506][  T796]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.650508][  T796]  ? register_netdev (net/core/dev.c:11618)
[   38.650510][  T796]  ? 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))
[   38.650515][  T796]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.650518][  T796]  ? __kernel_text_address (kernel/extable.c:79)
[   38.650520][  T796]  ? write_profile (profile.c:?)
[   38.650524][  T796]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.650530][  T796]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.650534][  T796]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.650536][  T796]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.650537][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.650539][  T796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.650542][  T796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.650544][  T796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.650546][  T796]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.650549][  T796]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.650550][  T796]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.650552][  T796]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.650553][  T796]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.650555][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.650557][  T796]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.650560][  T796]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.650564][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.650567][  T796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.650569][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650571][  T796]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.650573][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650574][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650575][  T796]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.650578][  T796]  ? __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)
[   38.650579][  T796]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.650581][  T796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.650584][  T796]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.650585][  T796]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.650590][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650593][  T796]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.650598][  T796]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.650603][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.650605][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.650610][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.650612][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.650614][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.650616][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.650623][  T796]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.650626][  T796]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.650630][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.650631][  T796]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.650636][  T796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.650638][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.650641][  T796]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.650644][  T796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.650647][  T796]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.650654][  T796]  ? 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))
[   38.650656][  T796]  ? 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))
[   38.650661][  T796]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.650665][  T796]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.650667][  T796]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.650672][  T796]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.650676][  T796]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.650679][  T796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.650681][  T796]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.650686][  T796]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.650689][  T796]  ____sys_sendmsg (net/socket.c:2713)
[   38.650691][  T796]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.650694][  T796]  ? sock_write_iter (net/socket.c:1269)
[   38.650695][  T796]  ? move_addr_to_kernel (net/socket.c:258)
[   38.650703][  T796]  ___sys_sendmsg (net/socket.c:2767)
[   38.650705][  T796]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.650721][  T796]  __sys_sendmsg (net/socket.c:2799)
[   38.650724][  T796]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.650730][  T796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.650733][  T796]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.650736][  T796]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.650739][  T796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.650741][  T796] RIP: 0033:0x7fbb035f454e
[   38.650745][  T796] 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
[   38.650747][  T796] RSP: 002b:00007ffd9b77ca50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.650750][  T796] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbb035f454e
[   38.650751][  T796] RDX: 0000000000000000 RSI: 00007ffd9b77cb00 RDI: 0000000000000005
[   38.650752][  T796] RBP: 00007ffd9b77ca60 R08: 0000000000000000 R09: 0000000000000000
[   38.650753][  T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd48
[   38.650754][  T796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9b77d1d0
| [   44.510196][  T921] softirqs last disabled at (24228): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.510198][  T921] Preemption disabled at:
| [   44.510199][  T921] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.510208][  T921] Tainted: [W]=WARN
[   44.510209][  T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.510210][  T921] Call Trace:
[   44.510212][  T921]  <TASK>
[   44.510214][  T921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.510220][  T921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.510221][  T921]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.510226][  T921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.510230][  T921]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.510235][  T921]  __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))
[   44.510237][  T921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.510243][  T921]  ? 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)
[   44.510246][  T921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.510250][  T921]  put_chars (drivers/char/virtio_console.c:1176)
[   44.510252][  T921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.510259][  T921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.510267][  T921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.510270][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.510274][  T921]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.510278][  T921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.510280][  T921]  ? 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))
[   44.510284][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510286][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.510290][  T921]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.510294][  T921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.510296][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.510302][  T921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.510305][  T921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.510306][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510308][  T921]  ? 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)
[   44.510312][  T921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.510314][  T921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.510316][  T921]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.510320][  T921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.510322][  T921]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   44.510327][  T921]  _printk (kernel/printk/printk.c:2504)
[   44.510331][  T921]  ? snapshot_read.cold (user.c:?)
[   44.510333][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.510336][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.510338][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.510340][  T921]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.510344][  T921]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.510347][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.510350][  T921]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.510353][  T921]  ? netdev_notice (net/core/dev.c:13194)
[   44.510355][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.510358][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.510361][  T921]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.510364][  T921]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.510366][  T921]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.510368][  T921]  ? register_netdev (net/core/dev.c:11618)
[   44.510370][  T921]  ? 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))
[   44.510375][  T921]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.510377][  T921]  ? __kernel_text_address (kernel/extable.c:79)
[   44.510380][  T921]  ? write_profile (profile.c:?)
[   44.510384][  T921]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.510390][  T921]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.510393][  T921]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.510395][  T921]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.510396][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.510399][  T921]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.510402][  T921]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.510404][  T921]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.510406][  T921]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.510408][  T921]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.510410][  T921]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.510411][  T921]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.510413][  T921]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.510415][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.510417][  T921]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   44.510420][  T921]  ? ___sys_sendmsg (net/socket.c:2758)
[   44.510424][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.510426][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.510429][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510430][  T921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.510432][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510433][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510435][  T921]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.510437][  T921]  ? __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)
[   44.510438][  T921]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.510440][  T921]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.510444][  T921]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.510445][  T921]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.510450][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510452][  T921]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.510463][  T921]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.510469][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.510471][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.510476][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.510478][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.510480][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.510481][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.510485][  T921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.510487][  T921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.510490][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.510492][  T921]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.510496][  T921]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.510498][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.510502][  T921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.510505][  T921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.510508][  T921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.510515][  T921]  ? 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))
[   44.510517][  T921]  ? 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))
[   44.510521][  T921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.510525][  T921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.510528][  T921]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.510532][  T921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.510536][  T921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.510540][  T921]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.510542][  T921]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.510547][  T921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.510550][  T921]  ____sys_sendmsg (net/socket.c:2713)
[   44.510552][  T921]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.510554][  T921]  ? sock_write_iter (net/socket.c:1269)
[   44.510556][  T921]  ? move_addr_to_kernel (net/socket.c:258)
[   44.510563][  T921]  ___sys_sendmsg (net/socket.c:2767)
[   44.510566][  T921]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.510582][  T921]  __sys_sendmsg (net/socket.c:2799)
[   44.510585][  T921]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.510591][  T921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.510594][  T921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.510597][  T921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.510600][  T921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.510602][  T921] RIP: 0033:0x7fb44eb0854e
[   44.510606][  T921] 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
[   44.510608][  T921] RSP: 002b:00007ffd0e736530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.510611][  T921] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb44eb0854e
[   44.510612][  T921] RDX: 0000000000000000 RSI: 00007ffd0e7365e0 RDI: 0000000000000005
[   44.510613][  T921] RBP: 00007ffd0e736540 R08: 0000000000000000 R09: 0000000000000000
[   44.510614][  T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd4e
[   44.510615][  T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0e736cb0
| [   47.936567][   T71] softirqs last disabled at (662822): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   47.936569][   T71] Preemption disabled at:
| [   47.936570][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.936578][   T71] Tainted: [W]=WARN
[   47.936579][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.936580][   T71] Workqueue: netns cleanup_net
[   47.936583][   T71] Call Trace:
[   47.936585][   T71]  <TASK>
[   47.936587][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.936593][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.936595][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.936600][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.936604][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.936608][   T71]  __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))
[   47.936610][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.936622][   T71]  ? 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)
[   47.936624][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.936628][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   47.936631][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.936634][   T71]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   47.936639][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.936643][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.936648][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.936652][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.936657][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.936661][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.936663][   T71]  ? 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))
[   47.936666][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.936668][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.936672][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.936677][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.936678][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.936684][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.936687][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.936689][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.936690][   T71]  ? 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)
[   47.936694][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.936696][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.936699][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.936702][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.936703][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   47.936705][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   47.936707][   T71]  ? kthread (kernel/kthread.c:436)
[   47.936709][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   47.936712][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   47.936717][   T71]  _printk (kernel/printk/printk.c:2504)
[   47.936720][   T71]  ? snapshot_read.cold (user.c:?)
[   47.936725][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.936729][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.936733][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.936736][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   47.936740][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.936742][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   47.936744][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   47.936746][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.936749][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   47.936753][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   47.936757][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   47.936760][   T71]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   47.936762][   T71]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   47.936767][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   47.936770][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   47.936774][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   47.936778][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   47.936781][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   47.936783][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.936786][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   47.936791][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   47.936794][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   47.936798][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.936800][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.936803][   T71]  process_one_work (kernel/workqueue.c:3387)
[   47.936810][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   47.936813][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.936821][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   47.936825][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   47.936827][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   47.936830][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   47.936833][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   47.936835][   T71]  kthread (kernel/kthread.c:436)
[   47.936837][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.936840][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   47.936843][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.936846][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   47.936849][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   47.936852][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   47.936855][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   50.082381][ T1068] softirqs last disabled at (23720): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.082384][ T1068] Preemption disabled at:
| [   50.082384][ T1068] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.082393][ T1068] Tainted: [W]=WARN
[   50.082394][ T1068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.082396][ T1068] Call Trace:
[   50.082398][ T1068]  <TASK>
[   50.082399][ T1068]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.082406][ T1068]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.082408][ T1068]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.082419][ T1068]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.082423][ T1068]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.082428][ T1068]  __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))
[   50.082430][ T1068]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.082437][ T1068]  ? 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)
[   50.082440][ T1068]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.082444][ T1068]  put_chars (drivers/char/virtio_console.c:1176)
[   50.082446][ T1068]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.082452][ T1068]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.082460][ T1068]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.082463][ T1068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.082468][ T1068]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.082472][ T1068]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.082474][ T1068]  ? 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))
[   50.082477][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082480][ T1068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.082484][ T1068]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.082488][ T1068]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.082490][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.082495][ T1068]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.082498][ T1068]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.082500][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082501][ T1068]  ? 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)
[   50.082505][ T1068]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.082507][ T1068]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.082509][ T1068]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.082513][ T1068]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.082515][ T1068]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   50.082520][ T1068]  _printk (kernel/printk/printk.c:2504)
[   50.082524][ T1068]  ? snapshot_read.cold (user.c:?)
[   50.082526][ T1068]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.082528][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.082531][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.082533][ T1068]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.082538][ T1068]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.082540][ T1068]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.082543][ T1068]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.082545][ T1068]  ? netdev_notice (net/core/dev.c:13194)
[   50.082548][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.082551][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.082554][ T1068]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.082557][ T1068]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.082559][ T1068]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.082562][ T1068]  ? register_netdev (net/core/dev.c:11618)
[   50.082563][ T1068]  ? 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))
[   50.082568][ T1068]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.082571][ T1068]  ? __kernel_text_address (kernel/extable.c:79)
[   50.082573][ T1068]  ? write_profile (profile.c:?)
[   50.082578][ T1068]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.082583][ T1068]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.082587][ T1068]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.082589][ T1068]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.082590][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   50.082592][ T1068]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   50.082596][ T1068]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.082598][ T1068]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.082600][ T1068]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.082602][ T1068]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.082604][ T1068]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.082605][ T1068]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.082607][ T1068]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.082609][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.082611][ T1068]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   50.082614][ T1068]  ? ___sys_sendmsg (net/socket.c:2758)
[   50.082617][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.082622][ T1068]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.082625][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082627][ T1068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.082628][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082629][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082631][ T1068]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.082633][ T1068]  ? __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)
[   50.082635][ T1068]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.082637][ T1068]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.082640][ T1068]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.082641][ T1068]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.082646][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082648][ T1068]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.082654][ T1068]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.082659][ T1068]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.082661][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.082665][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.082667][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.082669][ T1068]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.082671][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.082675][ T1068]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.082677][ T1068]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.082680][ T1068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.082681][ T1068]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.082686][ T1068]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.082688][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.082691][ T1068]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.082694][ T1068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.082697][ T1068]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.082704][ T1068]  ? 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))
[   50.082706][ T1068]  ? 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))
[   50.082710][ T1068]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.082714][ T1068]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.082717][ T1068]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.082721][ T1068]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.082725][ T1068]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.082729][ T1068]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.082730][ T1068]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.082736][ T1068]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.082739][ T1068]  ____sys_sendmsg (net/socket.c:2713)
[   50.082741][ T1068]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.082743][ T1068]  ? sock_write_iter (net/socket.c:1269)
[   50.082745][ T1068]  ? move_addr_to_kernel (net/socket.c:258)
[   50.082752][ T1068]  ___sys_sendmsg (net/socket.c:2767)
[   50.082755][ T1068]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.082771][ T1068]  __sys_sendmsg (net/socket.c:2799)
[   50.082774][ T1068]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.082780][ T1068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.082783][ T1068]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.082786][ T1068]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.082789][ T1068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.082791][ T1068] RIP: 0033:0x7faa0024a54e
[   50.082796][ T1068] 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
[   50.082797][ T1068] RSP: 002b:00007ffe3699a910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.082800][ T1068] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faa0024a54e
[   50.082802][ T1068] RDX: 0000000000000000 RSI: 00007ffe3699a9c0 RDI: 0000000000000005
[   50.082803][ T1068] RBP: 00007ffe3699a920 R08: 0000000000000000 R09: 0000000000000000
[   50.082803][ T1068] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd54
[   50.082804][ T1068] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3699b090
| [   53.684630][   T71] softirqs last disabled at (844208): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   53.684633][   T71] Preemption disabled at:
| [   53.684633][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.684642][   T71] Tainted: [W]=WARN
[   53.684643][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.684644][   T71] Workqueue: netns cleanup_net
[   53.684648][   T71] Call Trace:
[   53.684650][   T71]  <TASK>
[   53.684652][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.684659][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.684660][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.684665][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.684669][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.684674][   T71]  __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))
[   53.684676][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.684682][   T71]  ? 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)
[   53.684685][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.684689][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   53.684691][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.684692][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.684696][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.684699][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.684704][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.684708][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.684713][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.684717][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.684721][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.684726][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.684727][   T71]  ? 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))
[   53.684731][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.684733][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.684737][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.684741][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.684743][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.684748][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.684751][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.684753][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.684755][   T71]  ? 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)
[   53.684759][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.684760][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.684763][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.684767][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.684768][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   53.684770][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   53.684772][   T71]  ? kthread (kernel/kthread.c:436)
[   53.684774][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   53.684777][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   53.684782][   T71]  _printk (kernel/printk/printk.c:2504)
[   53.684785][   T71]  ? snapshot_read.cold (user.c:?)
[   53.684790][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   53.684794][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   53.684797][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.684800][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   53.684805][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.684807][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   53.684809][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   53.684811][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.684814][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   53.684818][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   53.684822][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   53.684825][   T71]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   53.684827][   T71]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   53.684832][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   53.684836][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   53.684839][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   53.684843][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.684847][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   53.684848][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.684852][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   53.684856][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   53.684860][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.684863][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.684865][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.684869][   T71]  process_one_work (kernel/workqueue.c:3387)
[   53.684875][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   53.684878][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.684886][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   53.684890][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   53.684893][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   53.684896][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   53.684899][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   53.684901][   T71]  kthread (kernel/kthread.c:436)
[   53.684903][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.684907][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   53.684910][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.684912][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   53.684916][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.684920][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   53.684923][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.057788][ T1200] softirqs last disabled at (20858): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.057791][ T1200] Preemption disabled at:
| [   56.057792][ T1200] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.057803][ T1200] Tainted: [W]=WARN
[   56.057804][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.057807][ T1200] Call Trace:
[   56.057809][ T1200]  <TASK>
[   56.057811][ T1200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.057819][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.057821][ T1200]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.057827][ T1200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.057833][ T1200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.057839][ T1200]  __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))
[   56.057842][ T1200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.057852][ T1200]  ? 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)
[   56.057855][ T1200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.057861][ T1200]  put_chars (drivers/char/virtio_console.c:1176)
[   56.057865][ T1200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.057876][ T1200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.057888][ T1200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.057893][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.057900][ T1200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.057907][ T1200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.057909][ T1200]  ? 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))
[   56.057914][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.057919][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.057926][ T1200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.057933][ T1200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.057935][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.057945][ T1200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.057949][ T1200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.057952][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.057955][ T1200]  ? 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)
[   56.057961][ T1200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.057964][ T1200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.057969][ T1200]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.057974][ T1200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.057979][ T1200]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.057987][ T1200]  _printk (kernel/printk/printk.c:2504)
[   56.057992][ T1200]  ? snapshot_read.cold (user.c:?)
[   56.057994][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.057999][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.058003][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.058006][ T1200]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.058012][ T1200]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.058016][ T1200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.058021][ T1200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.058025][ T1200]  ? netdev_notice (net/core/dev.c:13194)
[   56.058030][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.058035][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.058039][ T1200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.058045][ T1200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.058048][ T1200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.058051][ T1200]  ? register_netdev (net/core/dev.c:11618)
[   56.058054][ T1200]  ? 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))
[   56.058062][ T1200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.058066][ T1200]  ? __kernel_text_address (kernel/extable.c:79)
[   56.058069][ T1200]  ? write_profile (profile.c:?)
[   56.058075][ T1200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.058084][ T1200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.058090][ T1200]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.058093][ T1200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.058095][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.058099][ T1200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.058103][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.058107][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.058109][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.058113][ T1200]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.058116][ T1200]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.058118][ T1200]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.058120][ T1200]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.058124][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.058127][ T1200]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   56.058131][ T1200]  ? ___sys_sendmsg (net/socket.c:2758)
[   56.058137][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.058140][ T1200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.058144][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.058148][ T1200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.058150][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.058152][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.058155][ T1200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.058159][ T1200]  ? __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)
[   56.058161][ T1200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.058164][ T1200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.058170][ T1200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.058172][ T1200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.058179][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.058183][ T1200]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.058192][ T1200]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.058201][ T1200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.058204][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.058212][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.058214][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.058218][ T1200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.058221][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.058227][ T1200]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.058230][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.058236][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.058238][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.058246][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.058249][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.058254][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.058259][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.058263][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.058274][ T1200]  ? 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))
[   56.058277][ T1200]  ? 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))
[   56.058285][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.058291][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.058295][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.058302][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.058309][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.058315][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.058317][ T1200]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   56.058325][ T1200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.058331][ T1200]  ____sys_sendmsg (net/socket.c:2713)
[   56.058334][ T1200]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.058338][ T1200]  ? sock_write_iter (net/socket.c:1269)
[   56.058340][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   56.058352][ T1200]  ___sys_sendmsg (net/socket.c:2767)
[   56.058357][ T1200]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.058389][ T1200]  __sys_sendmsg (net/socket.c:2799)
[   56.058393][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.058403][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.058409][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.058412][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.058416][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.058420][ T1200] RIP: 0033:0x7f17e665054e
[   56.058425][ T1200] 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
[   56.058427][ T1200] RSP: 002b:00007ffffb7d2720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.058431][ T1200] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f17e665054e
[   56.058433][ T1200] RDX: 0000000000000000 RSI: 00007ffffb7d27d0 RDI: 0000000000000005
[   56.058434][ T1200] RBP: 00007ffffb7d2730 R08: 0000000000000000 R09: 0000000000000000
[   56.058436][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd5a
[   56.058437][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffb7d2ea0
| [   61.561632][ T1320] softirqs last disabled at (20108): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   61.561635][ T1320] Preemption disabled at:
| [   61.561635][ T1320] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.561644][ T1320] Tainted: [W]=WARN
[   61.561645][ T1320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.561646][ T1320] Call Trace:
[   61.561648][ T1320]  <TASK>
[   61.561650][ T1320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.561656][ T1320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.561657][ T1320]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.561662][ T1320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.561666][ T1320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.561671][ T1320]  __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))
[   61.561673][ T1320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.561679][ T1320]  ? 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)
[   61.561682][ T1320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.561686][ T1320]  put_chars (drivers/char/virtio_console.c:1176)
[   61.561688][ T1320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.561695][ T1320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.561702][ T1320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.561706][ T1320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.561710][ T1320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.561714][ T1320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.561716][ T1320]  ? 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))
[   61.561719][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.561722][ T1320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.561726][ T1320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.561730][ T1320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.561732][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.561737][ T1320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.561740][ T1320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.561742][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.561744][ T1320]  ? 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)
[   61.561747][ T1320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.561749][ T1320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.561752][ T1320]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.561755][ T1320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.561758][ T1320]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.561763][ T1320]  _printk (kernel/printk/printk.c:2504)
[   61.561766][ T1320]  ? snapshot_read.cold (user.c:?)
[   61.561768][ T1320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.561771][ T1320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.561773][ T1320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.561776][ T1320]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.561780][ T1320]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.561782][ T1320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.561785][ T1320]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.561788][ T1320]  ? netdev_notice (net/core/dev.c:13194)
[   61.561791][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.561794][ T1320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.561796][ T1320]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.561800][ T1320]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.561802][ T1320]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.561804][ T1320]  ? register_netdev (net/core/dev.c:11618)
[   61.561805][ T1320]  ? 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))
[   61.561811][ T1320]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.561813][ T1320]  ? __kernel_text_address (kernel/extable.c:79)
[   61.561816][ T1320]  ? write_profile (profile.c:?)
[   61.561820][ T1320]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.561825][ T1320]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.561829][ T1320]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.561831][ T1320]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.561832][ T1320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.561834][ T1320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.561838][ T1320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.561840][ T1320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.561842][ T1320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.561844][ T1320]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.561846][ T1320]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.561847][ T1320]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.561849][ T1320]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.561851][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.561853][ T1320]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   61.561856][ T1320]  ? ___sys_sendmsg (net/socket.c:2758)
[   61.561860][ T1320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.561862][ T1320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.561865][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.561866][ T1320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.561868][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.561869][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.561871][ T1320]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.561873][ T1320]  ? __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)
[   61.561874][ T1320]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.561876][ T1320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.561880][ T1320]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.561881][ T1320]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.561886][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.561888][ T1320]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.561893][ T1320]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.561899][ T1320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.561901][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.561905][ T1320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.561907][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.561909][ T1320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.561911][ T1320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.561915][ T1320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.561917][ T1320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.561920][ T1320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.561921][ T1320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.561926][ T1320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.561928][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.561931][ T1320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.561935][ T1320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.561938][ T1320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.561944][ T1320]  ? 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))
[   61.561946][ T1320]  ? 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))
[   61.561951][ T1320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.561955][ T1320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.561958][ T1320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.561962][ T1320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.561966][ T1320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.561970][ T1320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.561971][ T1320]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.561977][ T1320]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.561980][ T1320]  ____sys_sendmsg (net/socket.c:2713)
[   61.561982][ T1320]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.561984][ T1320]  ? sock_write_iter (net/socket.c:1269)
[   61.561986][ T1320]  ? move_addr_to_kernel (net/socket.c:258)
[   61.561993][ T1320]  ___sys_sendmsg (net/socket.c:2767)
[   61.561996][ T1320]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.562012][ T1320]  __sys_sendmsg (net/socket.c:2799)
[   61.562015][ T1320]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.562021][ T1320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.562024][ T1320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.562027][ T1320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.562030][ T1320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.562032][ T1320] RIP: 0033:0x7fedcdfea54e
[   61.562037][ T1320] 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
[   61.562039][ T1320] RSP: 002b:00007ffc90cc9cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.562041][ T1320] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fedcdfea54e
[   61.562043][ T1320] RDX: 0000000000000000 RSI: 00007ffc90cc9d60 RDI: 0000000000000005
[   61.562044][ T1320] RBP: 00007ffc90cc9cc0 R08: 0000000000000000 R09: 0000000000000000
[   61.562044][ T1320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd5f
[   61.562045][ T1320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc90cca430
| [   67.117936][ T1439] softirqs last disabled at (25146): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   67.117939][ T1439] Preemption disabled at:
| [   67.117940][ T1439] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.117951][ T1439] Tainted: [W]=WARN
[   67.117952][ T1439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.117954][ T1439] Call Trace:
[   67.117955][ T1439]  <TASK>
[   67.117957][ T1439]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.117965][ T1439]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.117968][ T1439]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.117973][ T1439]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.117977][ T1439]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.117984][ T1439]  __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))
[   67.117986][ T1439]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.117993][ T1439]  ? 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)
[   67.117996][ T1439]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.118003][ T1439]  put_chars (drivers/char/virtio_console.c:1176)
[   67.118005][ T1439]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.118012][ T1439]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.118023][ T1439]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.118026][ T1439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.118031][ T1439]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.118038][ T1439]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.118040][ T1439]  ? 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))
[   67.118043][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118046][ T1439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.118051][ T1439]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.118058][ T1439]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.118060][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.118065][ T1439]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.118069][ T1439]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.118072][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118075][ T1439]  ? 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)
[   67.118079][ T1439]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.118081][ T1439]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.118083][ T1439]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.118087][ T1439]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.118092][ T1439]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   67.118098][ T1439]  _printk (kernel/printk/printk.c:2504)
[   67.118101][ T1439]  ? snapshot_read.cold (user.c:?)
[   67.118103][ T1439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.118108][ T1439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.118112][ T1439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.118114][ T1439]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   67.118118][ T1439]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   67.118121][ T1439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.118123][ T1439]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   67.118128][ T1439]  ? netdev_notice (net/core/dev.c:13194)
[   67.118131][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.118135][ T1439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.118137][ T1439]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   67.118141][ T1439]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.118145][ T1439]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   67.118148][ T1439]  ? register_netdev (net/core/dev.c:11618)
[   67.118149][ T1439]  ? 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))
[   67.118155][ T1439]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   67.118157][ T1439]  ? __kernel_text_address (kernel/extable.c:79)
[   67.118161][ T1439]  ? write_profile (profile.c:?)
[   67.118167][ T1439]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   67.118173][ T1439]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   67.118176][ T1439]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   67.118179][ T1439]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   67.118182][ T1439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.118185][ T1439]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.118189][ T1439]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.118191][ T1439]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.118193][ T1439]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.118195][ T1439]  ? kasan_save_stack (mm/kasan/common.c:58)
[   67.118198][ T1439]  ? kasan_save_stack (mm/kasan/common.c:57)
[   67.118200][ T1439]  ? kasan_save_track (mm/kasan/common.c:78)
[   67.118202][ T1439]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   67.118205][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.118207][ T1439]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   67.118210][ T1439]  ? ___sys_sendmsg (net/socket.c:2758)
[   67.118214][ T1439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.118217][ T1439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.118221][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118223][ T1439]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.118225][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118226][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118228][ T1439]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   67.118230][ T1439]  ? __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)
[   67.118231][ T1439]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   67.118235][ T1439]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   67.118240][ T1439]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   67.118241][ T1439]  ? nla_get_range_signed (lib/nlattr.c:270)
[   67.118247][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118249][ T1439]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   67.118258][ T1439]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.118263][ T1439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.118265][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.118272][ T1439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.118275][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.118277][ T1439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.118279][ T1439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.118290][ T1439]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.118293][ T1439]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.118299][ T1439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.118301][ T1439]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.118306][ T1439]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.118308][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.118312][ T1439]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.118316][ T1439]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.118321][ T1439]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.118327][ T1439]  ? 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))
[   67.118329][ T1439]  ? 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))
[   67.118338][ T1439]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.118342][ T1439]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.118345][ T1439]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.118350][ T1439]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.118357][ T1439]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.118361][ T1439]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.118362][ T1439]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   67.118369][ T1439]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   67.118374][ T1439]  ____sys_sendmsg (net/socket.c:2713)
[   67.118376][ T1439]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.118379][ T1439]  ? sock_write_iter (net/socket.c:1269)
[   67.118380][ T1439]  ? move_addr_to_kernel (net/socket.c:258)
[   67.118391][ T1439]  ___sys_sendmsg (net/socket.c:2767)
[   67.118395][ T1439]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.118414][ T1439]  __sys_sendmsg (net/socket.c:2799)
[   67.118417][ T1439]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.118426][ T1439]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.118430][ T1439]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.118434][ T1439]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.118437][ T1439]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.118439][ T1439] RIP: 0033:0x7f9a7100554e
[   67.118445][ T1439] 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
[   67.118447][ T1439] RSP: 002b:00007ffd9e9d5350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.118451][ T1439] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9a7100554e
[   67.118452][ T1439] RDX: 0000000000000000 RSI: 00007ffd9e9d5400 RDI: 0000000000000005
[   67.118453][ T1439] RBP: 00007ffd9e9d5360 R08: 0000000000000000 R09: 0000000000000000
[   67.118454][ T1439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd65
[   67.118455][ T1439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e9d5ad0
| [   71.952286][ T1556] softirqs last disabled at (23168): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   71.952288][ T1556] Preemption disabled at:
| [   71.952289][ T1556] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.952298][ T1556] Tainted: [W]=WARN
[   71.952298][ T1556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.952300][ T1556] Call Trace:
[   71.952302][ T1556]  <TASK>
[   71.952303][ T1556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.952309][ T1556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.952311][ T1556]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.952316][ T1556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.952320][ T1556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   71.952325][ T1556]  __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))
[   71.952327][ T1556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.952333][ T1556]  ? 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)
[   71.952336][ T1556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.952340][ T1556]  put_chars (drivers/char/virtio_console.c:1176)
[   71.952342][ T1556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.952348][ T1556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.952356][ T1556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.952359][ T1556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.952363][ T1556]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.952367][ T1556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.952369][ T1556]  ? 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))
[   71.952372][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952375][ T1556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.952379][ T1556]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.952383][ T1556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.952385][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.952390][ T1556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.952393][ T1556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.952395][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952397][ T1556]  ? 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)
[   71.952400][ T1556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.952402][ T1556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.952405][ T1556]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.952408][ T1556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.952411][ T1556]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   71.952416][ T1556]  _printk (kernel/printk/printk.c:2504)
[   71.952419][ T1556]  ? snapshot_read.cold (user.c:?)
[   71.952421][ T1556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.952424][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.952426][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.952428][ T1556]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   71.952432][ T1556]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   71.952435][ T1556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.952437][ T1556]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   71.952440][ T1556]  ? netdev_notice (net/core/dev.c:13194)
[   71.952443][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.952446][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.952448][ T1556]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   71.952452][ T1556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.952454][ T1556]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   71.952456][ T1556]  ? register_netdev (net/core/dev.c:11618)
[   71.952457][ T1556]  ? 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))
[   71.952462][ T1556]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   71.952465][ T1556]  ? __kernel_text_address (kernel/extable.c:79)
[   71.952467][ T1556]  ? write_profile (profile.c:?)
[   71.952471][ T1556]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   71.952477][ T1556]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.952480][ T1556]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   71.952482][ T1556]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   71.952484][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.952486][ T1556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.952489][ T1556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.952491][ T1556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.952493][ T1556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.952495][ T1556]  ? kasan_save_stack (mm/kasan/common.c:58)
[   71.952497][ T1556]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.952498][ T1556]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.952500][ T1556]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.952502][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.952504][ T1556]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   71.952506][ T1556]  ? ___sys_sendmsg (net/socket.c:2758)
[   71.952510][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.952512][ T1556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.952515][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952516][ T1556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.952518][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952519][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952521][ T1556]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   71.952523][ T1556]  ? __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)
[   71.952524][ T1556]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.952526][ T1556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.952530][ T1556]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   71.952531][ T1556]  ? nla_get_range_signed (lib/nlattr.c:270)
[   71.952535][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952538][ T1556]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   71.952543][ T1556]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.952548][ T1556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.952550][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.952554][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.952556][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.952558][ T1556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.952560][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.952563][ T1556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.952565][ T1556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.952569][ T1556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.952570][ T1556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.952574][ T1556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.952576][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.952580][ T1556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.952583][ T1556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.952586][ T1556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.952592][ T1556]  ? 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))
[   71.952594][ T1556]  ? 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))
[   71.952598][ T1556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.952602][ T1556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.952605][ T1556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.952609][ T1556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.952613][ T1556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.952617][ T1556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.952618][ T1556]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   71.952627][ T1556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   71.952630][ T1556]  ____sys_sendmsg (net/socket.c:2713)
[   71.952632][ T1556]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.952634][ T1556]  ? sock_write_iter (net/socket.c:1269)
[   71.952636][ T1556]  ? move_addr_to_kernel (net/socket.c:258)
[   71.952643][ T1556]  ___sys_sendmsg (net/socket.c:2767)
[   71.952646][ T1556]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.952661][ T1556]  __sys_sendmsg (net/socket.c:2799)
[   71.952664][ T1556]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.952670][ T1556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.952673][ T1556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.952676][ T1556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.952679][ T1556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.952682][ T1556] RIP: 0033:0x7f86357bb54e
[   71.952686][ T1556] 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
[   71.952688][ T1556] RSP: 002b:00007ffd8b7e8640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.952691][ T1556] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86357bb54e
[   71.952692][ T1556] RDX: 0000000000000000 RSI: 00007ffd8b7e86f0 RDI: 0000000000000005
[   71.952693][ T1556] RBP: 00007ffd8b7e8650 R08: 0000000000000000 R09: 0000000000000000
[   71.952694][ T1556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd6a
[   71.952695][ T1556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8b7e8dc0
| [   78.494575][ T1677] softirqs last disabled at (15200): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   78.494577][ T1677] Preemption disabled at:
| [   78.494578][ T1677] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.494587][ T1677] Tainted: [W]=WARN
[   78.494589][ T1677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.494590][ T1677] Call Trace:
[   78.494592][ T1677]  <TASK>
[   78.494594][ T1677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.494600][ T1677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.494602][ T1677]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.494607][ T1677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.494611][ T1677]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.494616][ T1677]  __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))
[   78.494618][ T1677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.494628][ T1677]  ? 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)
[   78.494631][ T1677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.494635][ T1677]  put_chars (drivers/char/virtio_console.c:1176)
[   78.494637][ T1677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.494644][ T1677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.494651][ T1677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.494655][ T1677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.494659][ T1677]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.494663][ T1677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.494665][ T1677]  ? 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))
[   78.494669][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494671][ T1677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.494675][ T1677]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.494679][ T1677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.494681][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.494687][ T1677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.494690][ T1677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.494691][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494693][ T1677]  ? 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)
[   78.494697][ T1677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.494699][ T1677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.494702][ T1677]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.494705][ T1677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.494707][ T1677]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   78.494713][ T1677]  _printk (kernel/printk/printk.c:2504)
[   78.494717][ T1677]  ? snapshot_read.cold (user.c:?)
[   78.494718][ T1677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.494721][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.494724][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.494726][ T1677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.494730][ T1677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.494733][ T1677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   78.494735][ T1677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.494738][ T1677]  ? netdev_notice (net/core/dev.c:13194)
[   78.494741][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.494744][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.494747][ T1677]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   78.494750][ T1677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   78.494752][ T1677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   78.494754][ T1677]  ? register_netdev (net/core/dev.c:11618)
[   78.494756][ T1677]  ? 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))
[   78.494761][ T1677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   78.494764][ T1677]  ? __kernel_text_address (kernel/extable.c:79)
[   78.494766][ T1677]  ? write_profile (profile.c:?)
[   78.494770][ T1677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   78.494776][ T1677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   78.494779][ T1677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   78.494782][ T1677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   78.494783][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   78.494785][ T1677]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   78.494788][ T1677]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.494790][ T1677]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.494792][ T1677]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.494795][ T1677]  ? kasan_save_stack (mm/kasan/common.c:58)
[   78.494797][ T1677]  ? kasan_save_stack (mm/kasan/common.c:57)
[   78.494798][ T1677]  ? kasan_save_track (mm/kasan/common.c:78)
[   78.494799][ T1677]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   78.494801][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.494803][ T1677]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   78.494806][ T1677]  ? ___sys_sendmsg (net/socket.c:2758)
[   78.494810][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.494812][ T1677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.494815][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494816][ T1677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.494818][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494819][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494821][ T1677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   78.494823][ T1677]  ? __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)
[   78.494824][ T1677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   78.494826][ T1677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   78.494830][ T1677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   78.494831][ T1677]  ? nla_get_range_signed (lib/nlattr.c:270)
[   78.494836][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494838][ T1677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   78.494843][ T1677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.494849][ T1677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.494850][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.494855][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.494857][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.494859][ T1677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.494861][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.494864][ T1677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.494866][ T1677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.494870][ T1677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.494871][ T1677]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.494875][ T1677]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.494877][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.494881][ T1677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.494885][ T1677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.494887][ T1677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.494894][ T1677]  ? 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))
[   78.494896][ T1677]  ? 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))
[   78.494901][ T1677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.494905][ T1677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.494908][ T1677]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.494912][ T1677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.494916][ T1677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.494920][ T1677]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.494921][ T1677]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   78.494927][ T1677]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.494930][ T1677]  ____sys_sendmsg (net/socket.c:2713)
[   78.494932][ T1677]  ? copy_msghdr_from_user (net/socket.c:2650)
[   78.494934][ T1677]  ? sock_write_iter (net/socket.c:1269)
[   78.494936][ T1677]  ? move_addr_to_kernel (net/socket.c:258)
[   78.494943][ T1677]  ___sys_sendmsg (net/socket.c:2767)
[   78.494946][ T1677]  ? copy_msghdr_from_user (net/socket.c:2619)
[   78.494962][ T1677]  __sys_sendmsg (net/socket.c:2799)
[   78.494965][ T1677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   78.494971][ T1677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.494974][ T1677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.494977][ T1677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.494980][ T1677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.494983][ T1677] RIP: 0033:0x7fe39650454e
[   78.494988][ T1677] 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
[   78.494989][ T1677] RSP: 002b:00007ffcc54d01b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.494992][ T1677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe39650454e
[   78.494994][ T1677] RDX: 0000000000000000 RSI: 00007ffcc54d0260 RDI: 0000000000000005
[   78.494994][ T1677] RBP: 00007ffcc54d01c0 R08: 0000000000000000 R09: 0000000000000000
[   78.494995][ T1677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd70
[   78.494996][ T1677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc54d0930
| [   85.582938][ T1812] softirqs last disabled at (23794): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   85.582942][ T1812] Preemption disabled at:
| [   85.582943][ T1812] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.582954][ T1812] Tainted: [W]=WARN
[   85.582955][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.582958][ T1812] Call Trace:
[   85.582960][ T1812]  <TASK>
[   85.582962][ T1812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.582969][ T1812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.582971][ T1812]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.582977][ T1812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.582983][ T1812]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.582989][ T1812]  __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))
[   85.582993][ T1812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.583002][ T1812]  ? 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)
[   85.583005][ T1812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.583011][ T1812]  put_chars (drivers/char/virtio_console.c:1176)
[   85.583015][ T1812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.583026][ T1812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.583038][ T1812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.583043][ T1812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.583050][ T1812]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.583056][ T1812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.583059][ T1812]  ? 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))
[   85.583064][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583068][ T1812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.583075][ T1812]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.583082][ T1812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.583085][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.583094][ T1812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.583098][ T1812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.583101][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583104][ T1812]  ? 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)
[   85.583110][ T1812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.583112][ T1812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.583117][ T1812]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.583122][ T1812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.583127][ T1812]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   85.583135][ T1812]  _printk (kernel/printk/printk.c:2504)
[   85.583145][ T1812]  ? snapshot_read.cold (user.c:?)
[   85.583147][ T1812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.583152][ T1812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.583156][ T1812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.583159][ T1812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.583164][ T1812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.583168][ T1812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.583172][ T1812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.583176][ T1812]  ? netdev_notice (net/core/dev.c:13194)
[   85.583181][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.583185][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.583189][ T1812]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   85.583195][ T1812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.583198][ T1812]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   85.583202][ T1812]  ? register_netdev (net/core/dev.c:11618)
[   85.583204][ T1812]  ? 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))
[   85.583212][ T1812]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   85.583216][ T1812]  ? __kernel_text_address (kernel/extable.c:79)
[   85.583219][ T1812]  ? write_profile (profile.c:?)
[   85.583225][ T1812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   85.583233][ T1812]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   85.583239][ T1812]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.583242][ T1812]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.583244][ T1812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   85.583247][ T1812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.583252][ T1812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.583255][ T1812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.583258][ T1812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.583262][ T1812]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.583264][ T1812]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.583266][ T1812]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.583268][ T1812]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.583272][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.583275][ T1812]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   85.583279][ T1812]  ? ___sys_sendmsg (net/socket.c:2758)
[   85.583285][ T1812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.583288][ T1812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.583292][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583295][ T1812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.583297][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583299][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583302][ T1812]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.583306][ T1812]  ? __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)
[   85.583308][ T1812]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.583311][ T1812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.583317][ T1812]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.583318][ T1812]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.583326][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583330][ T1812]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.583339][ T1812]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.583348][ T1812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.583351][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.583359][ T1812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.583362][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.583365][ T1812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.583368][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.583374][ T1812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.583377][ T1812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.583382][ T1812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.583384][ T1812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.583392][ T1812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.583395][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.583401][ T1812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.583405][ T1812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.583410][ T1812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.583421][ T1812]  ? 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))
[   85.583424][ T1812]  ? 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))
[   85.583431][ T1812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.583438][ T1812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.583442][ T1812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.583449][ T1812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.583456][ T1812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.583462][ T1812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.583465][ T1812]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   85.583472][ T1812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.583477][ T1812]  ____sys_sendmsg (net/socket.c:2713)
[   85.583481][ T1812]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.583484][ T1812]  ? sock_write_iter (net/socket.c:1269)
[   85.583486][ T1812]  ? move_addr_to_kernel (net/socket.c:258)
[   85.583499][ T1812]  ___sys_sendmsg (net/socket.c:2767)
[   85.583504][ T1812]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.583533][ T1812]  __sys_sendmsg (net/socket.c:2799)
[   85.583537][ T1812]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.583548][ T1812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.583553][ T1812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.583557][ T1812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.583561][ T1812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.583565][ T1812] RIP: 0033:0x7f056a66d54e
[   85.583570][ T1812] 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
[   85.583572][ T1812] RSP: 002b:00007ffd76ad05e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.583576][ T1812] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f056a66d54e
[   85.583578][ T1812] RDX: 0000000000000000 RSI: 00007ffd76ad0690 RDI: 0000000000000005
[   85.583579][ T1812] RBP: 00007ffd76ad05f0 R08: 0000000000000000 R09: 0000000000000000
[   85.583580][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd77
[   85.583582][ T1812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd76ad0d60
| [   89.226491][   T71] softirqs last disabled at (1582788): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   89.226495][   T71] Preemption disabled at:
| [   89.226496][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.226507][   T71] Tainted: [W]=WARN
[   89.226508][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.226510][   T71] Workqueue: netns cleanup_net
[   89.226514][   T71] Call Trace:
[   89.226516][   T71]  <TASK>
[   89.226519][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.226526][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.226529][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.226535][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.226541][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.226548][   T71]  __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))
[   89.226551][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.226561][   T71]  ? 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)
[   89.226564][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.226570][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   89.226574][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.226576][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.226581][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.226585][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.226593][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.226598][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.226607][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.226612][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.226625][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.226631][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.226633][   T71]  ? 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))
[   89.226638][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.226641][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.226647][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.226653][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.226656][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.226664][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.226668][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.226671][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.226673][   T71]  ? 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)
[   89.226679][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.226682][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.226686][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.226691][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.226693][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   89.226695][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   89.226698][   T71]  ? kthread (kernel/kthread.c:436)
[   89.226701][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   89.226704][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   89.226711][   T71]  _printk (kernel/printk/printk.c:2504)
[   89.226716][   T71]  ? snapshot_read.cold (user.c:?)
[   89.226723][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.226727][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.226733][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.226737][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   89.226744][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.226747][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   89.226751][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   89.226754][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.226757][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   89.226764][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   89.226768][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   89.226773][   T71]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   89.226775][   T71]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.226782][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   89.226787][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   89.226792][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   89.226798][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   89.226802][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   89.226804][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.226809][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   89.226816][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   89.226820][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.226826][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.226829][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.226834][   T71]  process_one_work (kernel/workqueue.c:3387)
[   89.226845][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   89.226849][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.226861][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   89.226867][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   89.226870][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   89.226874][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   89.226878][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   89.226881][   T71]  kthread (kernel/kthread.c:436)
[   89.226884][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.226888][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   89.226893][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.226898][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   89.226903][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.226908][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   89.226913][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   91.615386][ T1958] softirqs last disabled at (16614): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   91.615389][ T1958] Preemption disabled at:
| [   91.615389][ T1958] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.615398][ T1958] Tainted: [W]=WARN
[   91.615399][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.615401][ T1958] Call Trace:
[   91.615403][ T1958]  <TASK>
[   91.615404][ T1958]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.615410][ T1958]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.615412][ T1958]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.615417][ T1958]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.615421][ T1958]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   91.615426][ T1958]  __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))
[   91.615427][ T1958]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.615434][ T1958]  ? 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)
[   91.615437][ T1958]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.615441][ T1958]  put_chars (drivers/char/virtio_console.c:1176)
[   91.615443][ T1958]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.615449][ T1958]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.615457][ T1958]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.615460][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.615465][ T1958]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.615469][ T1958]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.615471][ T1958]  ? 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))
[   91.615474][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615477][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.615481][ T1958]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.615485][ T1958]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.615487][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.615492][ T1958]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.615495][ T1958]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.615497][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615499][ T1958]  ? 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)
[   91.615502][ T1958]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.615504][ T1958]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.615507][ T1958]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.615510][ T1958]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.615513][ T1958]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   91.615518][ T1958]  _printk (kernel/printk/printk.c:2504)
[   91.615522][ T1958]  ? snapshot_read.cold (user.c:?)
[   91.615524][ T1958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   91.615526][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.615529][ T1958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.615531][ T1958]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   91.615536][ T1958]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   91.615538][ T1958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.615541][ T1958]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   91.615544][ T1958]  ? netdev_notice (net/core/dev.c:13194)
[   91.615546][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.615549][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.615552][ T1958]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   91.615555][ T1958]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.615557][ T1958]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   91.615559][ T1958]  ? register_netdev (net/core/dev.c:11618)
[   91.615561][ T1958]  ? 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))
[   91.615566][ T1958]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   91.615569][ T1958]  ? __kernel_text_address (kernel/extable.c:79)
[   91.615572][ T1958]  ? write_profile (profile.c:?)
[   91.615576][ T1958]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   91.615582][ T1958]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   91.615585][ T1958]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   91.615587][ T1958]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   91.615589][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.615590][ T1958]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.615594][ T1958]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   91.615596][ T1958]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.615598][ T1958]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.615600][ T1958]  ? kasan_save_stack (mm/kasan/common.c:58)
[   91.615602][ T1958]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.615603][ T1958]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.615605][ T1958]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.615607][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.615609][ T1958]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   91.615612][ T1958]  ? ___sys_sendmsg (net/socket.c:2758)
[   91.615616][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.615618][ T1958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.615624][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615627][ T1958]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.615629][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615630][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615632][ T1958]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   91.615634][ T1958]  ? __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)
[   91.615636][ T1958]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   91.615638][ T1958]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   91.615642][ T1958]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   91.615643][ T1958]  ? nla_get_range_signed (lib/nlattr.c:270)
[   91.615650][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615654][ T1958]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   91.615662][ T1958]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.615671][ T1958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.615673][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.615678][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.615680][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.615682][ T1958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.615683][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.615687][ T1958]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.615689][ T1958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.615693][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.615694][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.615698][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.615700][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.615704][ T1958]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.615707][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.615710][ T1958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.615717][ T1958]  ? 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))
[   91.615719][ T1958]  ? 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))
[   91.615723][ T1958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.615728][ T1958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.615730][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.615734][ T1958]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.615738][ T1958]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.615742][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.615744][ T1958]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   91.615749][ T1958]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.615752][ T1958]  ____sys_sendmsg (net/socket.c:2713)
[   91.615754][ T1958]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.615757][ T1958]  ? sock_write_iter (net/socket.c:1269)
[   91.615758][ T1958]  ? move_addr_to_kernel (net/socket.c:258)
[   91.615766][ T1958]  ___sys_sendmsg (net/socket.c:2767)
[   91.615769][ T1958]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.615784][ T1958]  __sys_sendmsg (net/socket.c:2799)
[   91.615787][ T1958]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.615794][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.615797][ T1958]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.615800][ T1958]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.615802][ T1958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.615805][ T1958] RIP: 0033:0x7ff4cb8f054e
[   91.615810][ T1958] 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
[   91.615811][ T1958] RSP: 002b:00007fff19214810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.615814][ T1958] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff4cb8f054e
[   91.615816][ T1958] RDX: 0000000000000000 RSI: 00007fff192148c0 RDI: 0000000000000005
[   91.615817][ T1958] RBP: 00007fff19214820 R08: 0000000000000000 R09: 0000000000000000
[   91.615817][ T1958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd7d
[   91.615818][ T1958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff19214f90
| [   92.633612][ T1978] softirqs last disabled at (21754): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   92.633615][ T1978] Preemption disabled at:
| [   92.633616][ T1978] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.633627][ T1978] Tainted: [W]=WARN
[   92.633628][ T1978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.633630][ T1978] Call Trace:
[   92.633632][ T1978]  <TASK>
[   92.633633][ T1978]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.633639][ T1978]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.633641][ T1978]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.633646][ T1978]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.633651][ T1978]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.633656][ T1978]  __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))
[   92.633658][ T1978]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.633665][ T1978]  ? 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)
[   92.633668][ T1978]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.633672][ T1978]  put_chars (drivers/char/virtio_console.c:1176)
[   92.633675][ T1978]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.633676][ T1978]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.633680][ T1978]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.633686][ T1978]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.633694][ T1978]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.633697][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633699][ T1978]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.633703][ T1978]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.633707][ T1978]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.633709][ T1978]  ? 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))
[   92.633713][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633715][ T1978]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.633719][ T1978]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.633724][ T1978]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.633726][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.633731][ T1978]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.633734][ T1978]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.633736][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633738][ T1978]  ? 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)
[   92.633742][ T1978]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.633744][ T1978]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.633747][ T1978]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.633751][ T1978]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.633753][ T1978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.633756][ T1978]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   92.633759][ T1978]  _printk (kernel/printk/printk.c:2504)
[   92.633763][ T1978]  ? snapshot_read.cold (user.c:?)
[   92.633767][ T1978]  ? br_multicast_flood (??:?)
[   92.633770][ T1978]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   92.633771][ T1978]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   92.633773][ T1978]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.633777][ T1978]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   92.633782][ T1978]  br_init_port (net/bridge/br_stp_if.c:39)
[   92.633785][ T1978]  new_nbp (net/bridge/br_if.c:449)
[   92.633789][ T1978]  br_add_if (net/bridge/br_if.c:592)
[   92.633792][ T1978]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   92.633796][ T1978]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   92.633802][ T1978]  do_set_master (net/core/rtnetlink.c:3071)
[   92.633803][ T1978]  ? netif_change_flags (net/core/dev.c:9882)
[   92.633807][ T1978]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   92.633811][ T1978]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   92.633814][ T1978]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   92.633816][ T1978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.633818][ T1978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.633822][ T1978]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.633824][ T1978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.633826][ T1978]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.633829][ T1978]  ? kasan_save_stack (mm/kasan/common.c:58)
[   92.633831][ T1978]  ? kasan_save_stack (mm/kasan/common.c:57)
[   92.633832][ T1978]  ? kasan_save_track (mm/kasan/common.c:78)
[   92.633833][ T1978]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   92.633836][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.633838][ T1978]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   92.633841][ T1978]  ? ___sys_sendmsg (net/socket.c:2758)
[   92.633845][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.633847][ T1978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.633850][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633852][ T1978]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.633854][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633855][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633857][ T1978]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   92.633859][ T1978]  ? __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)
[   92.633862][ T1978]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   92.633864][ T1978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.633868][ T1978]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   92.633869][ T1978]  ? nla_get_range_signed (lib/nlattr.c:270)
[   92.633874][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.633876][ T1978]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   92.633882][ T1978]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   92.633888][ T1978]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.633890][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.633895][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.633897][ T1978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.633899][ T1978]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.633901][ T1978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.633905][ T1978]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.633907][ T1978]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.633911][ T1978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.633912][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.633917][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.633919][ T1978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.633923][ T1978]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.633926][ T1978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.633929][ T1978]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.633936][ T1978]  ? 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))
[   92.633938][ T1978]  ? 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))
[   92.633943][ T1978]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.633948][ T1978]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.633950][ T1978]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.633955][ T1978]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.633959][ T1978]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.633964][ T1978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.633965][ T1978]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   92.633971][ T1978]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.633974][ T1978]  ____sys_sendmsg (net/socket.c:2713)
[   92.633976][ T1978]  ? copy_msghdr_from_user (net/socket.c:2650)
[   92.633979][ T1978]  ? sock_write_iter (net/socket.c:1269)
[   92.633981][ T1978]  ? move_addr_to_kernel (net/socket.c:258)
[   92.633988][ T1978]  ___sys_sendmsg (net/socket.c:2767)
[   92.633991][ T1978]  ? copy_msghdr_from_user (net/socket.c:2619)
[   92.634009][ T1978]  __sys_sendmsg (net/socket.c:2799)
[   92.634012][ T1978]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   92.634019][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.634022][ T1978]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.634025][ T1978]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.634028][ T1978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.634031][ T1978] RIP: 0033:0x7f27f3c9b54e
[   92.634035][ T1978] 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
[   92.634037][ T1978] RSP: 002b:00007ffdf96e80b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.634040][ T1978] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f27f3c9b54e
[   92.634041][ T1978] RDX: 0000000000000000 RSI: 00007ffdf96e8160 RDI: 0000000000000005
[   92.634042][ T1978] RBP: 00007ffdf96e80c0 R08: 0000000000000000 R09: 0000000000000000
[   92.634043][ T1978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd7e
[   92.634044][ T1978] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf96e8830
| [   95.461822][   T71] softirqs last disabled at (1756891): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   95.461825][   T71] Preemption disabled at:
| [   95.461826][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.461837][   T71] Tainted: [W]=WARN
[   95.461839][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.461841][   T71] Workqueue: netns cleanup_net
[   95.461846][   T71] Call Trace:
[   95.461848][   T71]  <TASK>
[   95.461851][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.461858][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.461861][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.461868][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.461874][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   95.461880][   T71]  __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))
[   95.461884][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.461894][   T71]  ? 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)
[   95.461898][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.461904][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   95.461908][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.461910][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.461916][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.461920][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.461929][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.461934][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.461944][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.461949][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.461958][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.461965][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.461967][   T71]  ? 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))
[   95.461973][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.461976][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.461983][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.461991][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.461993][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.462003][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.462008][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.462011][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.462014][   T71]  ? 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)
[   95.462021][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.462023][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.462028][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.462034][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.462036][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   95.462039][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   95.462042][   T71]  ? kthread (kernel/kthread.c:436)
[   95.462045][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   95.462049][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   95.462057][   T71]  _printk (kernel/printk/printk.c:2504)
[   95.462069][   T71]  ? snapshot_read.cold (user.c:?)
[   95.462077][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.462082][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.462089][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.462093][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   95.462101][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.462104][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   95.462109][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   95.462112][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   95.462116][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   95.462123][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   95.462129][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   95.462134][   T71]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   95.462136][   T71]  ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   95.462144][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   95.462150][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   95.462156][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   95.462162][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   95.462167][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   95.462169][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.462175][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   95.462183][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   95.462188][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   95.462195][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.462198][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.462204][   T71]  process_one_work (kernel/workqueue.c:3387)
[   95.462216][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   95.462221][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.462235][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   95.462243][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   95.462246][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   95.462251][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   95.462255][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   95.462259][   T71]  kthread (kernel/kthread.c:436)
[   95.462261][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   95.462266][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   95.462270][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   95.462275][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   95.462281][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   95.462286][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars