======================================
| [   12.416740][  T236] softirqs last disabled at (19066): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   12.416742][  T236] Preemption disabled at:
| [   12.416743][  T236] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.416751][  T236] Tainted: [W]=WARN
[   12.416752][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.416754][  T236] Call Trace:
[   12.416755][  T236]  <TASK>
[   12.416757][  T236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.416763][  T236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.416765][  T236]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.416769][  T236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.416773][  T236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.416777][  T236]  __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))
[   12.416779][  T236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.416786][  T236]  ? 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)
[   12.416788][  T236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.416792][  T236]  put_chars (drivers/char/virtio_console.c:1176)
[   12.416794][  T236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.416795][  T236]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   12.416800][  T236]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.416803][  T236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.416807][  T236]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.416809][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416811][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416815][  T236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.416817][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.416821][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.416825][  T236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.416829][  T236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.416831][  T236]  ? 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))
[   12.416834][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416837][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.416840][  T236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.416844][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.416846][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416851][  T236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.416854][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.416856][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416858][  T236]  ? 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)
[   12.416861][  T236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.416863][  T236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.416866][  T236]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.416869][  T236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.416871][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.416876][  T236]  _printk (kernel/printk/printk.c:2504)
[   12.416879][  T236]  ? snapshot_read.cold (user.c:?)
[   12.416882][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.416884][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.416888][  T236]  ? 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)
[   12.416891][  T236]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   12.416896][  T236]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   12.416900][  T236]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   12.416904][  T236]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.416910][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416911][  T236]  notifier_call_chain (kernel/notifier.c:85)
[   12.416916][  T236]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   12.416921][  T236]  ? netif_change_name (net/core/dev.c:1517)
[   12.416925][  T236]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.416928][  T236]  ? write_profile (profile.c:?)
[   12.416933][  T236]  netif_change_flags (net/core/dev.c:9882)
[   12.416937][  T236]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   12.416941][  T236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.416943][  T236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.416944][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.416947][  T236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.416950][  T236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.416952][  T236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.416954][  T236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.416956][  T236]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.416959][  T236]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.416960][  T236]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.416962][  T236]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.416964][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.416966][  T236]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.416969][  T236]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.416972][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.416974][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.416977][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416979][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.416980][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416981][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416983][  T236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.416985][  T236]  ? __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)
[   12.416988][  T236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.416990][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.416993][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.416997][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.416999][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.417004][  T236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.417009][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.417011][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.417016][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.417017][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.417019][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.417021][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.417025][  T236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.417027][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.417030][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.417031][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.417036][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.417037][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.417041][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.417043][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.417046][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.417052][  T236]  ? 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))
[   12.417054][  T236]  ? 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))
[   12.417058][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.417062][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.417065][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.417069][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.417073][  T236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.417077][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.417078][  T236]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.417084][  T236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.417087][  T236]  ____sys_sendmsg (net/socket.c:2713)
[   12.417089][  T236]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.417091][  T236]  ? sock_write_iter (net/socket.c:1269)
[   12.417093][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   12.417100][  T236]  ___sys_sendmsg (net/socket.c:2767)
[   12.417103][  T236]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.417119][  T236]  __sys_sendmsg (net/socket.c:2799)
[   12.417122][  T236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.417128][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.417131][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.417134][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.417137][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.417139][  T236] RIP: 0033:0x7f8f9889a54e
[   12.417143][  T236] 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
[   12.417144][  T236] RSP: 002b:00007ffc6b604ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.417147][  T236] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8f9889a54e
[   12.417148][  T236] RDX: 0000000000000000 RSI: 00007ffc6b604f90 RDI: 0000000000000005
[   12.417149][  T236] RBP: 00007ffc6b604ef0 R08: 0000000000000000 R09: 0000000000000000
[   12.417150][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9187c7
[   12.417151][  T236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6b605660
| [   24.304227][  T283] softirqs last disabled at (23758): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.304229][  T283] Preemption disabled at:
| [   24.304230][  T283] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.304238][  T283] Tainted: [W]=WARN
[   24.304239][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.304240][  T283] Call Trace:
[   24.304242][  T283]  <TASK>
[   24.304244][  T283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.304250][  T283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.304252][  T283]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.304256][  T283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.304260][  T283]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.304265][  T283]  __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))
[   24.304267][  T283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.304273][  T283]  ? 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)
[   24.304276][  T283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.304280][  T283]  put_chars (drivers/char/virtio_console.c:1176)
[   24.304283][  T283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.304285][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.304288][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.304291][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.304296][  T283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.304299][  T283]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.304301][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304303][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304307][  T283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.304309][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.304314][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.304318][  T283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.304322][  T283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.304324][  T283]  ? 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))
[   24.304327][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304329][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.304333][  T283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.304338][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.304340][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304345][  T283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.304348][  T283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.304350][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304351][  T283]  ? 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)
[   24.304355][  T283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.304357][  T283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.304360][  T283]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.304363][  T283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.304365][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.304370][  T283]  _printk (kernel/printk/printk.c:2504)
[   24.304374][  T283]  ? snapshot_read.cold (user.c:?)
[   24.304377][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.304379][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.304383][  T283]  ? 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)
[   24.304386][  T283]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   24.304391][  T283]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   24.304396][  T283]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   24.304399][  T283]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   24.304405][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304407][  T283]  notifier_call_chain (kernel/notifier.c:85)
[   24.304412][  T283]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   24.304417][  T283]  ? netif_change_name (net/core/dev.c:1517)
[   24.304421][  T283]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.304424][  T283]  ? write_profile (profile.c:?)
[   24.304429][  T283]  netif_change_flags (net/core/dev.c:9882)
[   24.304433][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   24.304437][  T283]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.304440][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.304441][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.304443][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.304446][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.304448][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.304450][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.304453][  T283]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.304455][  T283]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.304456][  T283]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.304457][  T283]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.304460][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304462][  T283]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.304465][  T283]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.304468][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.304470][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.304473][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304475][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.304476][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304477][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304479][  T283]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.304481][  T283]  ? __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)
[   24.304484][  T283]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.304486][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.304489][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.304493][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304495][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.304500][  T283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.304506][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.304508][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304512][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.304517][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.304519][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.304521][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.304525][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.304527][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.304530][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.304531][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.304536][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.304538][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.304541][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.304543][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.304546][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.304553][  T283]  ? 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))
[   24.304555][  T283]  ? 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))
[   24.304559][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.304564][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.304566][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.304571][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.304575][  T283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.304579][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.304580][  T283]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.304586][  T283]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.304589][  T283]  ____sys_sendmsg (net/socket.c:2713)
[   24.304591][  T283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.304593][  T283]  ? sock_write_iter (net/socket.c:1269)
[   24.304595][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   24.304603][  T283]  ___sys_sendmsg (net/socket.c:2767)
[   24.304605][  T283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.304624][  T283]  __sys_sendmsg (net/socket.c:2799)
[   24.304627][  T283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.304634][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.304637][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.304640][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.304643][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.304645][  T283] RIP: 0033:0x7f49cc93f54e
[   24.304649][  T283] 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
[   24.304651][  T283] RSP: 002b:00007fff08e966c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.304653][  T283] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49cc93f54e
[   24.304655][  T283] RDX: 0000000000000000 RSI: 00007fff08e96770 RDI: 0000000000000005
[   24.304655][  T283] RBP: 00007fff08e966d0 R08: 0000000000000000 R09: 0000000000000000
[   24.304656][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9187d3


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