======================================
| [   11.268601][  T237] softirqs last disabled at (19690): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.268603][  T237] Preemption disabled at:
| [   11.268603][  T237] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.268611][  T237] Tainted: [W]=WARN
[   11.268612][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.268614][  T237] Call Trace:
[   11.268615][  T237]  <TASK>
[   11.268617][  T237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.268623][  T237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.268624][  T237]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.268629][  T237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.268633][  T237]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.268637][  T237]  __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))
[   11.268639][  T237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.268645][  T237]  ? 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)
[   11.268648][  T237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.268651][  T237]  put_chars (drivers/char/virtio_console.c:1176)
[   11.268654][  T237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.268655][  T237]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.268659][  T237]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.268663][  T237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.268667][  T237]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.268669][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.268671][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.268675][  T237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.268676][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.268681][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.268685][  T237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.268688][  T237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.268690][  T237]  ? 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))
[   11.268693][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268696][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.268700][  T237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.268704][  T237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.268706][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.268711][  T237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.268714][  T237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.268716][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268717][  T237]  ? 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)
[   11.268721][  T237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.268723][  T237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.268725][  T237]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.268728][  T237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.268730][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.268735][  T237]  _printk (kernel/printk/printk.c:2504)
[   11.268738][  T237]  ? snapshot_read.cold (user.c:?)
[   11.268741][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.268743][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.268747][  T237]  ? 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)
[   11.268751][  T237]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   11.268755][  T237]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   11.268760][  T237]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   11.268763][  T237]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.268769][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268770][  T237]  notifier_call_chain (kernel/notifier.c:85)
[   11.268775][  T237]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   11.268780][  T237]  ? netif_change_name (net/core/dev.c:1517)
[   11.268784][  T237]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.268787][  T237]  ? write_profile (profile.c:?)
[   11.268792][  T237]  netif_change_flags (net/core/dev.c:9882)
[   11.268796][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.268799][  T237]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.268802][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.268803][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.268805][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.268809][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.268811][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.268813][  T237]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.268815][  T237]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.268817][  T237]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.268818][  T237]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.268820][  T237]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.268822][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.268824][  T237]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.268827][  T237]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.268830][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.268832][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.268835][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268837][  T237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.268838][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268839][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268841][  T237]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.268843][  T237]  ? __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)
[   11.268845][  T237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.268847][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.268851][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.268854][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268856][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.268861][  T237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.268867][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.268868][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.268873][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.268875][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.268877][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.268878][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.268882][  T237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.268884][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.268887][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.268889][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.268893][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.268895][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.268898][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.268900][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.268903][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.268909][  T237]  ? 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))
[   11.268911][  T237]  ? 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))
[   11.268915][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.268919][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.268922][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.268926][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.268930][  T237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.268934][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.268935][  T237]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.268940][  T237]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.268943][  T237]  ____sys_sendmsg (net/socket.c:2713)
[   11.268945][  T237]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.268947][  T237]  ? sock_write_iter (net/socket.c:1269)
[   11.268949][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   11.268956][  T237]  ___sys_sendmsg (net/socket.c:2767)
[   11.268959][  T237]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.268975][  T237]  __sys_sendmsg (net/socket.c:2799)
[   11.268978][  T237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.268984][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.268987][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.268990][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.268992][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.268994][  T237] RIP: 0033:0x7fd9cadba54e
[   11.268998][  T237] 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
[   11.268999][  T237] RSP: 002b:00007ffd80e29e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.269002][  T237] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd9cadba54e
[   11.269003][  T237] RDX: 0000000000000000 RSI: 00007ffd80e29f10 RDI: 0000000000000005
[   11.269004][  T237] RBP: 00007ffd80e29e70 R08: 0000000000000000 R09: 0000000000000000
[   11.269005][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919b28
[   11.269006][  T237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd80e2a5e0
| [   22.910679][  T285] softirqs last disabled at (14660): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.910681][  T285] Preemption disabled at:
| [   22.910681][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.910690][  T285] Tainted: [W]=WARN
[   22.910691][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.910692][  T285] Call Trace:
[   22.910694][  T285]  <TASK>
[   22.910695][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.910702][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.910703][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.910708][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.910712][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.910717][  T285]  __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))
[   22.910719][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.910725][  T285]  ? 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)
[   22.910728][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.910732][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   22.910734][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.910737][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.910739][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.910742][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.910747][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.910751][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.910752][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.910754][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.910758][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.910760][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.910764][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.910768][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.910772][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.910774][  T285]  ? 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))
[   22.910777][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910779][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.910783][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.910787][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.910789][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.910794][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.910797][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.910799][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910801][  T285]  ? 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)
[   22.910804][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.910806][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.910809][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.910812][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.910814][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.910818][  T285]  _printk (kernel/printk/printk.c:2504)
[   22.910822][  T285]  ? snapshot_read.cold (user.c:?)
[   22.910826][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.910827][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.910831][  T285]  ? 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)
[   22.910835][  T285]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   22.910839][  T285]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   22.910844][  T285]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   22.910848][  T285]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   22.910854][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910855][  T285]  notifier_call_chain (kernel/notifier.c:85)
[   22.910860][  T285]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   22.910865][  T285]  ? netif_change_name (net/core/dev.c:1517)
[   22.910869][  T285]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.910872][  T285]  ? write_profile (profile.c:?)
[   22.910877][  T285]  netif_change_flags (net/core/dev.c:9882)
[   22.910881][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   22.910885][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.910887][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.910888][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.910890][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.910894][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.910896][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.910898][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.910900][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.910902][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.910903][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.910905][  T285]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.910907][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.910909][  T285]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.910911][  T285]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.910915][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.910917][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.910920][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910921][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.910923][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910924][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910926][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.910928][  T285]  ? __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)
[   22.910931][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.910932][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.910936][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.910939][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.910941][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.910946][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.910952][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.910954][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.910958][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.910960][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.910962][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.910963][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.910967][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.910969][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.910972][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.910974][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.910978][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.910980][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.910983][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.910985][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.910988][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.910994][  T285]  ? 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))
[   22.910996][  T285]  ? 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))
[   22.911001][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.911005][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.911007][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.911012][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.911015][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.911019][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.911021][  T285]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.911026][  T285]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.911029][  T285]  ____sys_sendmsg (net/socket.c:2713)
[   22.911031][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.911034][  T285]  ? sock_write_iter (net/socket.c:1269)
[   22.911035][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   22.911043][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   22.911045][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.911061][  T285]  __sys_sendmsg (net/socket.c:2799)
[   22.911064][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.911070][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.911073][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.911076][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.911079][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.911081][  T285] RIP: 0033:0x7f396de7854e
[   22.911085][  T285] 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
[   22.911086][  T285] RSP: 002b:00007ffe2de024a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.911089][  T285] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f396de7854e
[   22.911090][  T285] RDX: 0000000000000000 RSI: 00007ffe2de02550 RDI: 0000000000000005
[   22.911091][  T285] RBP: 00007ffe2de024b0 R08: 0000000000000000 R09: 0000000000000000
[   22.911092][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919b34


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