======================================
| [   11.569860][  T235] softirqs last disabled at (16306): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.569862][  T235] Preemption disabled at:
| [   11.569862][  T235] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.569870][  T235] Tainted: [W]=WARN
[   11.569871][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.569873][  T235] Call Trace:
[   11.569874][  T235]  <TASK>
[   11.569876][  T235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.569881][  T235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.569883][  T235]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.569888][  T235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.569892][  T235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.569897][  T235]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.569898][  T235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.569905][  T235]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.569907][  T235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.569910][  T235]  put_chars (drivers/char/virtio_console.c:1176)
[   11.569913][  T235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.569914][  T235]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.569918][  T235]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.569922][  T235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.569926][  T235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.569928][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569930][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569934][  T235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.569936][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.569940][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.569944][  T235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.569947][  T235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.569949][  T235]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.569952][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569955][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.569959][  T235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.569963][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.569965][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.569970][  T235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.569973][  T235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.569975][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.569976][  T235]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.569980][  T235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.569982][  T235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.569984][  T235]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.569987][  T235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.569989][  T235]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.569994][  T235]  _printk (kernel/printk/printk.c:2504)
[   11.569997][  T235]  ? snapshot_read.cold (user.c:?)
[   11.570001][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.570003][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.570006][  T235]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   11.570010][  T235]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   11.570014][  T235]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   11.570019][  T235]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   11.570022][  T235]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.570028][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.570030][  T235]  notifier_call_chain (kernel/notifier.c:85)
[   11.570035][  T235]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   11.570039][  T235]  ? netif_change_name (net/core/dev.c:1517)
[   11.570043][  T235]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.570046][  T235]  ? write_profile (profile.c:?)
[   11.570051][  T235]  netif_change_flags (net/core/dev.c:9882)
[   11.570055][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.570059][  T235]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.570061][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.570062][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.570065][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.570068][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.570070][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.570072][  T235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.570074][  T235]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.570076][  T235]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.570078][  T235]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.570079][  T235]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.570081][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.570083][  T235]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.570086][  T235]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.570089][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.570091][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.570094][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.570096][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.570097][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.570098][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.570100][  T235]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.570102][  T235]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.570104][  T235]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.570106][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.570110][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.570113][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.570115][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.570120][  T235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.570126][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.570127][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.570132][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.570134][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.570136][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.570137][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.570141][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.570143][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.570146][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.570148][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.570152][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.570154][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.570157][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.570159][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.570162][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.570168][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.570170][  T235]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.570175][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.570179][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.570181][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.570186][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.570189][  T235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.570193][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.570195][  T235]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.570200][  T235]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.570203][  T235]  ____sys_sendmsg (net/socket.c:2713)
[   11.570205][  T235]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.570207][  T235]  ? sock_write_iter (net/socket.c:1269)
[   11.570209][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   11.570216][  T235]  ___sys_sendmsg (net/socket.c:2767)
[   11.570219][  T235]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.570234][  T235]  __sys_sendmsg (net/socket.c:2799)
[   11.570237][  T235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.570243][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.570246][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.570249][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.570252][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.570254][  T235] RIP: 0033:0x7fde0b12854e
[   11.570258][  T235] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.570259][  T235] RSP: 002b:00007ffc61a47e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.570262][  T235] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde0b12854e
[   11.570263][  T235] RDX: 0000000000000000 RSI: 00007ffc61a47f40 RDI: 0000000000000005
[   11.570264][  T235] RBP: 00007ffc61a47ea0 R08: 0000000000000000 R09: 0000000000000000
[   11.570265][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f31e
[   11.570266][  T235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc61a48610
| [   23.186009][  T282] softirqs last disabled at (16420): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   23.186011][  T282] Preemption disabled at:
| [   23.186011][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.186019][  T282] Tainted: [W]=WARN
[   23.186020][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.186022][  T282] Call Trace:
[   23.186023][  T282]  <TASK>
[   23.186025][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.186031][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.186032][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.186037][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.186041][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.186046][  T282]  __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))
[   23.186047][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.186054][  T282]  ? 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)
[   23.186056][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.186060][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   23.186063][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.186065][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.186068][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.186071][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.186075][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.186079][  T282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.186081][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.186082][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.186087][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.186088][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.186092][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.186096][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.186100][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.186102][  T282]  ? 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))
[   23.186105][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186107][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.186111][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.186115][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.186117][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.186122][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.186125][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.186127][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186128][  T282]  ? 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)
[   23.186132][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.186134][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.186136][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.186140][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.186142][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.186146][  T282]  _printk (kernel/printk/printk.c:2504)
[   23.186150][  T282]  ? snapshot_read.cold (user.c:?)
[   23.186153][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.186155][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.186159][  T282]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   23.186162][  T282]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   23.186167][  T282]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   23.186172][  T282]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   23.186176][  T282]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.186181][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186183][  T282]  notifier_call_chain (kernel/notifier.c:85)
[   23.186188][  T282]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   23.186193][  T282]  ? netif_change_name (net/core/dev.c:1517)
[   23.186196][  T282]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.186200][  T282]  ? write_profile (profile.c:?)
[   23.186204][  T282]  netif_change_flags (net/core/dev.c:9882)
[   23.186208][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.186212][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.186214][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.186215][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.186217][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.186220][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.186222][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.186224][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.186226][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.186229][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.186230][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.186231][  T282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.186233][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.186235][  T282]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.186238][  T282]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.186242][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.186244][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.186246][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186248][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.186249][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186250][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186252][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.186254][  T282]  ? __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)
[   23.186257][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.186259][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.186262][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.186265][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186268][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.186273][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.186278][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.186280][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.186284][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.186286][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.186288][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.186290][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.186293][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.186295][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.186299][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.186300][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.186304][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.186306][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.186310][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.186312][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.186314][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.186321][  T282]  ? 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))
[   23.186323][  T282]  ? 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))
[   23.186327][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.186331][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.186334][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.186338][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.186342][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.186346][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.186347][  T282]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.186353][  T282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.186355][  T282]  ____sys_sendmsg (net/socket.c:2713)
[   23.186357][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.186360][  T282]  ? sock_write_iter (net/socket.c:1269)
[   23.186361][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   23.186369][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   23.186371][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.186387][  T282]  __sys_sendmsg (net/socket.c:2799)
[   23.186390][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.186396][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.186399][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.186402][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.186405][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.186407][  T282] RIP: 0033:0x7f2d4622e54e
[   23.186410][  T282] 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
[   23.186412][  T282] RSP: 002b:00007fff22ce4700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.186415][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2d4622e54e
[   23.186416][  T282] RDX: 0000000000000000 RSI: 00007fff22ce47b0 RDI: 0000000000000005
[   23.186417][  T282] RBP: 00007fff22ce4710 R08: 0000000000000000 R09: 0000000000000000
[   23.186418][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90f32a


Finger prints:
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars