======================================
| [   10.920812][  T202] softirqs last disabled at (205760): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.920815][  T202] Preemption disabled at:
| [   10.920815][  T202] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.920824][  T202] Tainted: [W]=WARN
[   10.920825][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.920827][  T202] Call Trace:
[   10.920829][  T202]  <TASK>
[   10.920830][  T202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.920838][  T202]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.920841][  T202]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.920846][  T202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.920850][  T202]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.920855][  T202]  __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))
[   10.920857][  T202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.920864][  T202]  ? 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)
[   10.920866][  T202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.920871][  T202]  put_chars (drivers/char/virtio_console.c:1176)
[   10.920873][  T202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.920877][  T202]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.920882][  T202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.920886][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.920891][  T202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.920895][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.920900][  T202]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.920904][  T202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.920906][  T202]  ? 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))
[   10.920910][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.920912][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.920916][  T202]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.920920][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.920922][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.920928][  T202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.920931][  T202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.920932][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.920934][  T202]  ? 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)
[   10.920938][  T202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.920940][  T202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.920943][  T202]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.920946][  T202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.920947][  T202]  ? __kernel_text_address (kernel/extable.c:79)
[   10.920950][  T202]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.920954][  T202]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.920960][  T202]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.920965][  T202]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.920973][  T202]  dev_printk_emit (drivers/base/core.c:5011)
[   10.920976][  T202]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.920980][  T202]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.920985][  T202]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.920991][  T202]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.920994][  T202]  ? netdev_notice (net/core/dev.c:13194)
[   10.920997][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.921000][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.921003][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.921007][  T202]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.921009][  T202]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.921012][  T202]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.921015][  T202]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.921018][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.921021][  T202]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.921027][  T202]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.921030][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921033][  T202]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.921034][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.921037][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.921039][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.921042][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.921046][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921048][  T202]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.921050][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.921054][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.921056][  T202]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.921059][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.921061][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.921062][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.921064][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.921065][  T202]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.921068][  T202]  ? __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)
[   10.921071][  T202]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.921073][  T202]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.921075][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.921078][  T202]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.921079][  T202]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.921083][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921087][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.921094][  T202]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.921097][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.921099][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921122][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.921124][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.921127][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.921129][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.921131][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921136][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.921138][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.921140][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.921142][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.921146][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.921148][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.921151][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.921153][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921157][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.921160][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.921163][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.921166][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.921169][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.921176][  T202]  ? 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))
[   10.921178][  T202]  ? 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))
[   10.921183][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.921187][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.921191][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.921195][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.921199][  T202]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.921201][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.921203][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.921208][  T202]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.921211][  T202]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.921215][  T202]  __sys_sendto (net/socket.c:2281)
[   10.921218][  T202]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.921230][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.921235][  T202]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.921238][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.921242][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.921243][  T202]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.921246][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.921248][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.921251][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.921254][  T202] RIP: 0033:0x7f513733554e
[   10.921257][  T202] 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
[   10.921259][  T202] RSP: 002b:00007ffca590a660 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.921261][  T202] RAX: ffffffffffffffda RBX: 00005583234c92e0 RCX: 00007f513733554e
[   10.921263][  T202] RDX: 0000000000000030 RSI: 0000558323673a60 RDI: 0000000000000020
[   10.921264][  T202] RBP: 00007ffca590a670 R08: 00007ffca590a6c0 R09: 0000000000000080
[   10.921264][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558323674ba0
[   10.921265][  T202] R13: 00007ffca590a7a4 R14: 0000000000000000 R15: 0000000000000000
| [   11.937076][  T220] softirqs last disabled at (12034): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.937079][  T220] Preemption disabled at:
| [   11.937079][  T220] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.937088][  T220] Tainted: [W]=WARN
[   11.937089][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.937091][  T220] Call Trace:
[   11.937092][  T220]  <TASK>
[   11.937094][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.937100][  T220]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.937102][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.937107][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.937111][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.937116][  T220]  __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))
[   11.937118][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.937125][  T220]  ? 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)
[   11.937128][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.937131][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   11.937134][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.937137][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.937140][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.937143][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.937147][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.937152][  T220]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.937154][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.937156][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.937160][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.937162][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.937167][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.937171][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.937175][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.937177][  T220]  ? 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))
[   11.937181][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937183][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.937187][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.937191][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.937193][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.937199][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.937202][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.937204][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937206][  T220]  ? 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)
[   11.937210][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.937211][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.937214][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.937218][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.937220][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.937225][  T220]  _printk (kernel/printk/printk.c:2504)
[   11.937228][  T220]  ? snapshot_read.cold (user.c:?)
[   11.937232][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.937234][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.937238][  T220]  ? 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)
[   11.937242][  T220]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   11.937246][  T220]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   11.937251][  T220]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   11.937255][  T220]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.937262][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937263][  T220]  notifier_call_chain (kernel/notifier.c:85)
[   11.937268][  T220]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   11.937274][  T220]  ? netif_change_name (net/core/dev.c:1517)
[   11.937278][  T220]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.937281][  T220]  ? write_profile (profile.c:?)
[   11.937287][  T220]  netif_change_flags (net/core/dev.c:9882)
[   11.937291][  T220]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.937295][  T220]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.937297][  T220]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.937298][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.937301][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.937304][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.937306][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.937308][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.937311][  T220]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.937313][  T220]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.937315][  T220]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.937316][  T220]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.937319][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.937321][  T220]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.937324][  T220]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.937328][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.937330][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.937333][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937335][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.937336][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937338][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937339][  T220]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.937342][  T220]  ? __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)
[   11.937345][  T220]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.937347][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.937350][  T220]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.937354][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937356][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.937362][  T220]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.937367][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.937369][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.937374][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.937376][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.937378][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.937380][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.937384][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.937388][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.937392][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.937393][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.937398][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.937400][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.937404][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.937406][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.937409][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.937415][  T220]  ? 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))
[   11.937418][  T220]  ? 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))
[   11.937422][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.937426][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.937429][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.937434][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.937438][  T220]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.937442][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.937444][  T220]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.937449][  T220]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.937452][  T220]  ____sys_sendmsg (net/socket.c:2713)
[   11.937455][  T220]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.937457][  T220]  ? sock_write_iter (net/socket.c:1269)
[   11.937459][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   11.937466][  T220]  ___sys_sendmsg (net/socket.c:2767)
[   11.937469][  T220]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.937485][  T220]  __sys_sendmsg (net/socket.c:2799)
[   11.937488][  T220]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.937495][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.937498][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.937501][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.937504][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.937507][  T220] RIP: 0033:0x7f73ecf3e54e
[   11.937511][  T220] 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
[   11.937512][  T220] RSP: 002b:00007ffe17b62580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.937515][  T220] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f73ecf3e54e
[   11.937516][  T220] RDX: 0000000000000000 RSI: 00007ffe17b62630 RDI: 0000000000000003
[   11.937517][  T220] RBP: 00007ffe17b62590 R08: 0000000000000000 R09: 0000000000000000
[   11.937518][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910bb6
[   11.937519][  T220] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe17b62cf0
| [   12.986631][  T257] softirqs last disabled at (11038): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   12.986633][  T257] Preemption disabled at:
| [   12.986634][  T257] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.986642][  T257] Tainted: [W]=WARN
[   12.986643][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.986644][  T257] Call Trace:
[   12.986646][  T257]  <TASK>
[   12.986647][  T257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.986654][  T257]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.986655][  T257]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.986660][  T257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.986665][  T257]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.986669][  T257]  __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))
[   12.986671][  T257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.986678][  T257]  ? 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)
[   12.986681][  T257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.986684][  T257]  put_chars (drivers/char/virtio_console.c:1176)
[   12.986687][  T257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.986690][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.986693][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.986696][  T257]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.986700][  T257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.986704][  T257]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.986706][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986708][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986712][  T257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.986714][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.986719][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.986723][  T257]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.986727][  T257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.986729][  T257]  ? 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))
[   12.986732][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986734][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.986738][  T257]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.986743][  T257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.986745][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986750][  T257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.986753][  T257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.986755][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986757][  T257]  ? 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)
[   12.986761][  T257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.986763][  T257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.986765][  T257]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.986769][  T257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.986771][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986775][  T257]  _printk (kernel/printk/printk.c:2504)
[   12.986779][  T257]  ? snapshot_read.cold (user.c:?)
[   12.986783][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.986785][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.986789][  T257]  ? 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)
[   12.986792][  T257]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   12.986797][  T257]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   12.986802][  T257]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   12.986809][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986811][  T257]  notifier_call_chain (kernel/notifier.c:85)
[   12.986820][  T257]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   12.986825][  T257]  ? netif_change_name (net/core/dev.c:1517)
[   12.986830][  T257]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.986833][  T257]  ? write_profile (profile.c:?)
[   12.986839][  T257]  netif_change_flags (net/core/dev.c:9882)
[   12.986843][  T257]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   12.986846][  T257]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.986849][  T257]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.986850][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.986852][  T257]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.986856][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.986858][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.986860][  T257]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.986862][  T257]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.986865][  T257]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.986866][  T257]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.986867][  T257]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.986870][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986872][  T257]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.986875][  T257]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.986879][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.986881][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.986884][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986886][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.986888][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986889][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986891][  T257]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.986893][  T257]  ? __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)
[   12.986896][  T257]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.986898][  T257]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.986901][  T257]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.986905][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.986907][  T257]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.986913][  T257]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.986918][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.986920][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986925][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.986927][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.986929][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.986931][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.986935][  T257]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.986937][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.986940][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.986942][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.986946][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.986948][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.986952][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.986955][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.986958][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.986965][  T257]  ? 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))
[   12.986967][  T257]  ? 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))
[   12.986972][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.986976][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.986979][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.986983][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.986987][  T257]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.986991][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.986993][  T257]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.986999][  T257]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.987001][  T257]  ____sys_sendmsg (net/socket.c:2713)
[   12.987004][  T257]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.987006][  T257]  ? sock_write_iter (net/socket.c:1269)
[   12.987008][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   12.987015][  T257]  ___sys_sendmsg (net/socket.c:2767)
[   12.987018][  T257]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.987035][  T257]  __sys_sendmsg (net/socket.c:2799)
[   12.987038][  T257]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.987044][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.987047][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.987050][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.987053][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.987056][  T257] RIP: 0033:0x7f8dc708d54e
[   12.987060][  T257] 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
[   12.987062][  T257] RSP: 002b:00007ffed82a5f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.987064][  T257] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8dc708d54e
[   12.987066][  T257] RDX: 0000000000000000 RSI: 00007ffed82a5fb0 RDI: 0000000000000003
[   12.987066][  T257] RBP: 00007ffed82a5f10 R08: 0000000000000000 R09: 0000000000000000
[   12.987067][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910bb7
[   12.987068][  T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed82a6670
| [   14.150480][  T261] softirqs last disabled at (10688): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   14.150482][  T261] Preemption disabled at:
| [   14.150483][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.150492][  T261] Tainted: [W]=WARN
[   14.150493][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.150494][  T261] Call Trace:
[   14.150496][  T261]  <TASK>
[   14.150497][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.150503][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.150505][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.150510][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.150514][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.150519][  T261]  __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))
[   14.150521][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.150527][  T261]  ? 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)
[   14.150530][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.150534][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   14.150537][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.150539][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.150543][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.150546][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.150550][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.150554][  T261]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.150556][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150558][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150562][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.150564][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.150569][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.150573][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.150577][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.150579][  T261]  ? 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))
[   14.150583][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150585][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.150589][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.150593][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.150595][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150601][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.150604][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.150606][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150608][  T261]  ? 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)
[   14.150611][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.150613][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.150616][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.150620][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.150622][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150627][  T261]  _printk (kernel/printk/printk.c:2504)
[   14.150631][  T261]  ? snapshot_read.cold (user.c:?)
[   14.150634][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.150636][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.150640][  T261]  ? 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)
[   14.150644][  T261]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   14.150649][  T261]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   14.150654][  T261]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.150661][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150663][  T261]  notifier_call_chain (kernel/notifier.c:85)
[   14.150668][  T261]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   14.150673][  T261]  ? netif_change_name (net/core/dev.c:1517)
[   14.150677][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.150681][  T261]  ? write_profile (profile.c:?)
[   14.150686][  T261]  netif_change_flags (net/core/dev.c:9882)
[   14.150690][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   14.150694][  T261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.150696][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.150698][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.150700][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.150703][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.150705][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.150707][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.150710][  T261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.150712][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.150714][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.150715][  T261]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.150717][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150720][  T261]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.150723][  T261]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.150727][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.150729][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.150732][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150734][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.150735][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150737][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150738][  T261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.150741][  T261]  ? __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)
[   14.150743][  T261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.150746][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.150749][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.150753][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150755][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.150761][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.150766][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.150768][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150773][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.150775][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.150777][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.150779][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.150783][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.150785][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.150789][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.150790][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.150795][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.150797][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.150801][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.150804][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.150807][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.150814][  T261]  ? 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))
[   14.150821][  T261]  ? 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))
[   14.150826][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.150830][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.150833][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.150837][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.150841][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.150845][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.150847][  T261]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.150853][  T261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.150856][  T261]  ____sys_sendmsg (net/socket.c:2713)
[   14.150858][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.150861][  T261]  ? sock_write_iter (net/socket.c:1269)
[   14.150862][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   14.150870][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   14.150873][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.150889][  T261]  __sys_sendmsg (net/socket.c:2799)
[   14.150892][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.150899][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.150902][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.150905][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.150908][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.150911][  T261] RIP: 0033:0x7ffb65c2454e
[   14.150915][  T261] 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
[   14.150916][  T261] RSP: 002b:00007ffde02f6d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.150919][  T261] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ffb65c2454e
[   14.150920][  T261] RDX: 0000000000000000 RSI: 00007ffde02f6e30 RDI: 0000000000000003
[   14.150921][  T261] RBP: 00007ffde02f6d90 R08: 0000000000000000 R09: 0000000000000000
[   14.150922][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910bb8
[   14.150923][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde02f74f0
| [   15.251721][  T202] softirqs last disabled at (735642): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.251723][  T202] Preemption disabled at:
| [   15.251724][  T202] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.251733][  T202] Tainted: [W]=WARN
[   15.251734][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.251735][  T202] Call Trace:
[   15.251737][  T202]  <TASK>
[   15.251739][  T202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.251745][  T202]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.251746][  T202]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.251751][  T202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.251756][  T202]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.251760][  T202]  __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))
[   15.251762][  T202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.251769][  T202]  ? 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)
[   15.251772][  T202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.251776][  T202]  put_chars (drivers/char/virtio_console.c:1176)
[   15.251779][  T202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.251780][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.251784][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.251787][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.251792][  T202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.251796][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251802][  T202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.251805][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.251810][  T202]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.251814][  T202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.251816][  T202]  ? 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))
[   15.251826][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.251829][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.251834][  T202]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.251839][  T202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.251841][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251846][  T202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.251849][  T202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.251851][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.251853][  T202]  ? 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)
[   15.251857][  T202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.251859][  T202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.251862][  T202]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.251865][  T202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.251867][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.251869][  T202]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.251875][  T202]  dev_vprintk_emit (drivers/base/core.c:5000)
[   15.251880][  T202]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   15.251885][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.251888][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251891][  T202]  dev_printk_emit (drivers/base/core.c:5011)
[   15.251894][  T202]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   15.251897][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.251900][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251901][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251903][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.251905][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.251909][  T202]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   15.251915][  T202]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.251918][  T202]  ? netdev_notice (net/core/dev.c:13194)
[   15.251921][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.251924][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.251927][  T202]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.251931][  T202]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.251933][  T202]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.251936][  T202]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.251940][  T202]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.251943][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.251945][  T202]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.251951][  T202]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.251954][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251958][  T202]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.251959][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.251961][  T202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.251963][  T202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.251965][  T202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.251970][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.251972][  T202]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   15.251974][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   15.251978][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.251980][  T202]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.251983][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.251985][  T202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.251986][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.251988][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.251989][  T202]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.251992][  T202]  ? __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)
[   15.251995][  T202]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.251997][  T202]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.251999][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.252002][  T202]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.252003][  T202]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.252007][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.252011][  T202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.252018][  T202]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   15.252022][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.252023][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.252046][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.252048][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.252051][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.252053][  T202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.252055][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.252060][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.252062][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.252064][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.252066][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.252070][  T202]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.252072][  T202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.252075][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.252077][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.252082][  T202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.252084][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.252087][  T202]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.252091][  T202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.252094][  T202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.252100][  T202]  ? 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))
[   15.252103][  T202]  ? 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))
[   15.252108][  T202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.252112][  T202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.252114][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.252117][  T202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.252121][  T202]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.252125][  T202]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.252127][  T202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.252130][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.252135][  T202]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.252138][  T202]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   15.252141][  T202]  __sys_sendto (net/socket.c:2281)
[   15.252145][  T202]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.252156][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   15.252161][  T202]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.252164][  T202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.252167][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.252169][  T202]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.252172][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.252174][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.252177][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.252179][  T202] RIP: 0033:0x7f513733554e
[   15.252183][  T202] 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
[   15.252184][  T202] RSP: 002b:00007ffca590a660 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   15.252187][  T202] RAX: ffffffffffffffda RBX: 00005583234c92e0 RCX: 00007f513733554e
[   15.252188][  T202] RDX: 0000000000000030 RSI: 0000558323683360 RDI: 0000000000000020
[   15.252189][  T202] RBP: 00007ffca590a670 R08: 00007ffca590a6c0 R09: 0000000000000080
[   15.252190][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00005583236881b0


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