======================================
| [   11.578814][  T238] softirqs last disabled at (16090): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.578815][  T238] Preemption disabled at:
| [   11.578816][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.578824][  T238] Tainted: [W]=WARN
[   11.578825][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.578827][  T238] Call Trace:
[   11.578828][  T238]  <TASK>
[   11.578830][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.578836][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.578838][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.578843][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.578847][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.578851][  T238]  __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))
[   11.578853][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.578860][  T238]  ? 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)
[   11.578862][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.578866][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.578868][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.578869][  T238]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.578874][  T238]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.578877][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.578881][  T238]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.578883][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578885][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578889][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.578891][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.578895][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.578899][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.578903][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.578905][  T238]  ? 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))
[   11.578908][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.578910][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.578914][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.578918][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.578920][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.578925][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.578928][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.578930][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.578931][  T238]  ? 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)
[   11.578935][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.578938][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.578941][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.578944][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.578946][  T238]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.578951][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.578954][  T238]  ? snapshot_read.cold (user.c:?)
[   11.578957][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.578959][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.578963][  T238]  ? 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)
[   11.578966][  T238]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   11.578971][  T238]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   11.578975][  T238]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   11.578979][  T238]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.578985][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.578987][  T238]  notifier_call_chain (kernel/notifier.c:85)
[   11.578991][  T238]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   11.578996][  T238]  ? netif_change_name (net/core/dev.c:1517)
[   11.579000][  T238]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.579003][  T238]  ? write_profile (profile.c:?)
[   11.579008][  T238]  netif_change_flags (net/core/dev.c:9882)
[   11.579012][  T238]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.579016][  T238]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.579018][  T238]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.579019][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.579022][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.579025][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.579027][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.579029][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.579032][  T238]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.579034][  T238]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.579035][  T238]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.579036][  T238]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.579039][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.579040][  T238]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.579043][  T238]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.579047][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.579049][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.579051][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.579053][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.579055][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.579056][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.579057][  T238]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.579060][  T238]  ? __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)
[   11.579062][  T238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.579064][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.579067][  T238]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.579071][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.579073][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.579078][  T238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.579083][  T238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.579085][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.579089][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.579091][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.579093][  T238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.579095][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.579099][  T238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.579101][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.579104][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.579105][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.579109][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.579111][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.579115][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.579116][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.579119][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.579126][  T238]  ? 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))
[   11.579127][  T238]  ? 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))
[   11.579132][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.579136][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.579138][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.579142][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.579146][  T238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.579150][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.579152][  T238]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.579157][  T238]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.579160][  T238]  ____sys_sendmsg (net/socket.c:2713)
[   11.579162][  T238]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.579164][  T238]  ? sock_write_iter (net/socket.c:1269)
[   11.579166][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   11.579173][  T238]  ___sys_sendmsg (net/socket.c:2767)
[   11.579176][  T238]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.579192][  T238]  __sys_sendmsg (net/socket.c:2799)
[   11.579195][  T238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.579201][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.579204][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.579207][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.579210][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.579212][  T238] RIP: 0033:0x7f9eee58f54e
[   11.579216][  T238] 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
[   11.579217][  T238] RSP: 002b:00007ffd13e8ca50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.579220][  T238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9eee58f54e
[   11.579221][  T238] RDX: 0000000000000000 RSI: 00007ffd13e8cb00 RDI: 0000000000000005
[   11.579222][  T238] RBP: 00007ffd13e8ca60 R08: 0000000000000000 R09: 0000000000000000
[   11.579223][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c4c6
[   11.579224][  T238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd13e8d1d0
| [   23.210971][  T284] softirqs last disabled at (15646): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   23.210973][  T284] Preemption disabled at:
| [   23.210974][  T284] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.210982][  T284] Tainted: [W]=WARN
[   23.210983][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.210984][  T284] Call Trace:
[   23.210986][  T284]  <TASK>
[   23.210987][  T284]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.210993][  T284]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.210995][  T284]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.210999][  T284]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.211003][  T284]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.211008][  T284]  __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))
[   23.211010][  T284]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.211016][  T284]  ? 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)
[   23.211019][  T284]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.211023][  T284]  put_chars (drivers/char/virtio_console.c:1176)
[   23.211025][  T284]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.211028][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.211031][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.211034][  T284]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.211038][  T284]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.211041][  T284]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.211043][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.211045][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.211049][  T284]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.211051][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.211055][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.211060][  T284]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.211064][  T284]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.211065][  T284]  ? 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))
[   23.211069][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211071][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.211075][  T284]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.211079][  T284]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.211081][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.211086][  T284]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.211089][  T284]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.211091][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211093][  T284]  ? 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)
[   23.211096][  T284]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.211098][  T284]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.211101][  T284]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.211104][  T284]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.211106][  T284]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.211111][  T284]  _printk (kernel/printk/printk.c:2504)
[   23.211114][  T284]  ? snapshot_read.cold (user.c:?)
[   23.211117][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.211119][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.211123][  T284]  ? 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)
[   23.211126][  T284]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   23.211131][  T284]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   23.211136][  T284]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   23.211140][  T284]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.211146][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211148][  T284]  notifier_call_chain (kernel/notifier.c:85)
[   23.211153][  T284]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   23.211158][  T284]  ? netif_change_name (net/core/dev.c:1517)
[   23.211162][  T284]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.211165][  T284]  ? write_profile (profile.c:?)
[   23.211170][  T284]  netif_change_flags (net/core/dev.c:9882)
[   23.211174][  T284]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.211178][  T284]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.211180][  T284]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.211181][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.211183][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.211186][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.211188][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.211190][  T284]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.211192][  T284]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.211195][  T284]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.211196][  T284]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.211197][  T284]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.211199][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.211201][  T284]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.211204][  T284]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.211208][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.211210][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.211213][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211214][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.211216][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211217][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211219][  T284]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.211221][  T284]  ? __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)
[   23.211223][  T284]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.211225][  T284]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.211229][  T284]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.211232][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211234][  T284]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.211240][  T284]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.211245][  T284]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.211247][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.211251][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.211253][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.211255][  T284]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.211257][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.211261][  T284]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.211263][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.211266][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.211267][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.211272][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.211274][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.211277][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.211279][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.211282][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.211289][  T284]  ? 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))
[   23.211291][  T284]  ? 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))
[   23.211295][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.211299][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.211302][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.211306][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.211310][  T284]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.211314][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.211315][  T284]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.211321][  T284]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.211323][  T284]  ____sys_sendmsg (net/socket.c:2713)
[   23.211326][  T284]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.211328][  T284]  ? sock_write_iter (net/socket.c:1269)
[   23.211329][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   23.211337][  T284]  ___sys_sendmsg (net/socket.c:2767)
[   23.211340][  T284]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.211357][  T284]  __sys_sendmsg (net/socket.c:2799)
[   23.211359][  T284]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.211366][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.211369][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.211372][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.211374][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.211377][  T284] RIP: 0033:0x7f9825bc854e
[   23.211380][  T284] 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
[   23.211382][  T284] RSP: 002b:00007fffa0164cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.211385][  T284] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9825bc854e
[   23.211386][  T284] RDX: 0000000000000000 RSI: 00007fffa0164d80 RDI: 0000000000000005
[   23.211387][  T284] RBP: 00007fffa0164ce0 R08: 0000000000000000 R09: 0000000000000000
[   23.211388][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c4d2


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