======================================
| [    9.519161][  T199] softirqs last disabled at (43442): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [    9.519163][  T199] Preemption disabled at:
| [    9.519164][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.519173][  T199] Tainted: [W]=WARN
[    9.519173][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.519175][  T199] Call Trace:
[    9.519176][  T199]  <TASK>
[    9.519178][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.519184][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.519186][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.519190][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.519194][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.519199][  T199]  __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))
[    9.519201][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.519208][  T199]  ? 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)
[    9.519210][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.519214][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[    9.519217][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.519221][  T199]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.519225][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.519229][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.519231][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519233][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519237][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.519239][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[    9.519243][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519245][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.519249][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.519253][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.519255][  T199]  ? 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))
[    9.519258][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519260][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.519264][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.519268][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.519270][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519275][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.519278][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.519280][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519281][  T199]  ? 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)
[    9.519285][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.519287][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.519290][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.519292][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.519295][  T199]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[    9.519301][  T199]  _printk (kernel/printk/printk.c:2504)
[    9.519304][  T199]  ? snapshot_read.cold (user.c:?)
[    9.519309][  T199]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[    9.519311][  T199]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.519315][  T199]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.519319][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.519321][  T199]  ? netdev_notice (net/core/dev.c:13194)
[    9.519326][  T199]  ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835) bonding
[    9.519336][  T199]  ? netdev_upper_dev_link (net/core/dev.c:9034)
[    9.519342][  T199] bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7)) bonding
[    9.519354][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.519356][  T199]  ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) bonding
[    9.519362][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.519364][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519366][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:451 kernel/locking/lockdep.c:5242)
[    9.519371][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.519378][  T199]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[    9.519381][  T199]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[    9.519387][  T199]  do_set_master (net/core/rtnetlink.c:3071)
[    9.519390][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[    9.519394][  T199]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.519397][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.519398][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.519401][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.519405][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.519407][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.519409][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.519411][  T199]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.519413][  T199]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.519415][  T199]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.519416][  T199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.519418][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519420][  T199]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[    9.519423][  T199]  ? ___sys_sendmsg (net/socket.c:2758)
[    9.519427][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.519429][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.519431][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519433][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.519434][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519436][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519437][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.519440][  T199]  ? __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)
[    9.519441][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.519443][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.519446][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.519447][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.519452][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519455][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.519460][  T199]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.519465][  T199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.519467][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519472][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.519474][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.519476][  T199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.519477][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.519481][  T199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.519483][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.519486][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.519488][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.519492][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.519494][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.519498][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.519501][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.519504][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.519510][  T199]  ? 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))
[    9.519512][  T199]  ? 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))
[    9.519517][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.519521][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.519524][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.519528][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.519532][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.519536][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.519537][  T199]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[    9.519543][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[    9.519545][  T199]  ____sys_sendmsg (net/socket.c:2713)
[    9.519548][  T199]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.519550][  T199]  ? sock_write_iter (net/socket.c:1269)
[    9.519551][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.519559][  T199]  ___sys_sendmsg (net/socket.c:2767)
[    9.519562][  T199]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.519578][  T199]  __sys_sendmsg (net/socket.c:2799)
[    9.519580][  T199]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.519587][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.519590][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.519593][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.519596][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.519598][  T199] RIP: 0033:0x7f01fea1054e
[    9.519601][  T199] 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
[    9.519603][  T199] RSP: 002b:00007ffc07d8e020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.519606][  T199] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f01fea1054e
[    9.519607][  T199] RDX: 0000000000000000 RSI: 00007ffc07d8e0d0 RDI: 0000000000000005
[    9.519608][  T199] RBP: 00007ffc07d8e030 R08: 0000000000000000 R09: 0000000000000000
[    9.519609][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9149e1
[    9.519610][  T199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc07d8e790
| [   10.884649][  T228] softirqs last disabled at (36892): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   10.884651][  T228] Preemption disabled at:
| [   10.884652][  T228] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.884660][  T228] Tainted: [W]=WARN
[   10.884661][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.884663][  T228] Call Trace:
[   10.884665][  T228]  <TASK>
[   10.884666][  T228]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.884672][  T228]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.884673][  T228]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.884678][  T228]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.884682][  T228]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.884686][  T228]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.884688][  T228]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.884695][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.884698][  T228]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.884702][  T228]  put_chars (drivers/char/virtio_console.c:1176)
[   10.884704][  T228]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.884706][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.884709][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.884712][  T228]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.884717][  T228]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.884721][  T228]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.884722][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884724][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884733][  T228]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.884735][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.884739][  T228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.884743][  T228]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.884747][  T228]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.884749][  T228]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.884754][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884756][  T228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.884760][  T228]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.884764][  T228]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.884766][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884771][  T228]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.884774][  T228]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.884776][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884777][  T228]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.884781][  T228]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.884783][  T228]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.884785][  T228]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.884788][  T228]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.884790][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884795][  T228]  _printk (kernel/printk/printk.c:2504)
[   10.884798][  T228]  ? snapshot_read.cold (user.c:?)
[   10.884801][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.884803][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.884807][  T228]  ? 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)
[   10.884811][  T228]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   10.884815][  T228]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   10.884820][  T228]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   10.884826][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884828][  T228]  notifier_call_chain (kernel/notifier.c:85)
[   10.884833][  T228]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   10.884838][  T228]  ? netif_change_name (net/core/dev.c:1517)
[   10.884841][  T228]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.884844][  T228]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.884847][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.884848][  T228]  ? write_profile (profile.c:?)
[   10.884853][  T228]  netif_change_flags (net/core/dev.c:9882)
[   10.884857][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   10.884861][  T228]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.884863][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.884864][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.884866][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.884869][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.884871][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.884873][  T228]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.884875][  T228]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.884878][  T228]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.884879][  T228]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.884880][  T228]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.884883][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884885][  T228]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.884888][  T228]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.884891][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.884893][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.884896][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884897][  T228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.884899][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884900][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884902][  T228]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.884904][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.884906][  T228]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.884908][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.884911][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.884915][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.884917][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.884922][  T228]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.884927][  T228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.884929][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884933][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.884935][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.884937][  T228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.884939][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.884942][  T228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.884944][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.884947][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.884948][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.884953][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.884955][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.884958][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.884961][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.884964][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.884970][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.884972][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.884977][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.884981][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.884983][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.884987][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.884991][  T228]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.884995][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.884996][  T228]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.885001][  T228]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.885004][  T228]  ____sys_sendmsg (net/socket.c:2713)
[   10.885006][  T228]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.885008][  T228]  ? sock_write_iter (net/socket.c:1269)
[   10.885010][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.885017][  T228]  ___sys_sendmsg (net/socket.c:2767)
[   10.885020][  T228]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.885035][  T228]  __sys_sendmsg (net/socket.c:2799)
[   10.885038][  T228]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.885044][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.885047][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.885050][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.885052][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.885055][  T228] RIP: 0033:0x7f1c75afa54e
[   10.885059][  T228] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.885060][  T228] RSP: 002b:00007fff653711b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.885063][  T228] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1c75afa54e
[   10.885064][  T228] RDX: 0000000000000000 RSI: 00007fff65371260 RDI: 0000000000000005
[   10.885065][  T228] RBP: 00007fff653711c0 R08: 0000000000000000 R09: 0000000000000000
[   10.885066][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9149e3


Finger prints:
addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars