======================================
| [   11.753515][  T197] softirqs last disabled at (220598): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.753517][  T197] Preemption disabled at:
| [   11.753518][  T197] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.753526][  T197] Tainted: [W]=WARN
[   11.753528][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.753529][  T197] Call Trace:
[   11.753531][  T197]  <TASK>
[   11.753532][  T197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.753538][  T197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.753540][  T197]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.753544][  T197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.753549][  T197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.753553][  T197]  __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))
[   11.753555][  T197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.753561][  T197]  ? 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)
[   11.753564][  T197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.753568][  T197]  put_chars (drivers/char/virtio_console.c:1176)
[   11.753571][  T197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.753574][  T197]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.753579][  T197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.753583][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753588][  T197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.753591][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753597][  T197]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.753601][  T197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.753603][  T197]  ? 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))
[   11.753606][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753608][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.753612][  T197]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.753616][  T197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.753618][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753624][  T197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.753626][  T197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.753628][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753630][  T197]  ? 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)
[   11.753634][  T197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.753636][  T197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.753638][  T197]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.753641][  T197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.753643][  T197]  ? __kernel_text_address (kernel/extable.c:79)
[   11.753645][  T197]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.753649][  T197]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   11.753655][  T197]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.753659][  T197]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.753668][  T197]  dev_printk_emit (drivers/base/core.c:5011)
[   11.753670][  T197]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.753674][  T197]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.753679][  T197]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.753686][  T197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.753688][  T197]  ? netdev_notice (net/core/dev.c:13194)
[   11.753691][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.753694][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.753697][  T197]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.753701][  T197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.753703][  T197]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.753705][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.753709][  T197]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.753712][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.753715][  T197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.753721][  T197]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.753723][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753726][  T197]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.753727][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.753729][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.753732][  T197]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.753734][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.753739][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753741][  T197]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.753742][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.753746][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.753748][  T197]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.753751][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753752][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.753754][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753755][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753757][  T197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.753759][  T197]  ? __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)
[   11.753762][  T197]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.753764][  T197]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.753765][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.753768][  T197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.753769][  T197]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.753773][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753777][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.753784][  T197]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.753787][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.753788][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753812][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.753814][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.753817][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.753819][  T197]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.753821][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753825][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.753827][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.753829][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.753831][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.753835][  T197]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.753837][  T197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.753840][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.753841][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753846][  T197]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.753848][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.753851][  T197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.753854][  T197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.753857][  T197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.753864][  T197]  ? 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))
[   11.753866][  T197]  ? 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))
[   11.753871][  T197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.753875][  T197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.753878][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.753882][  T197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.753886][  T197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.753888][  T197]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.753890][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.753895][  T197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.753898][  T197]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.753902][  T197]  __sys_sendto (net/socket.c:2281)
[   11.753905][  T197]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.753916][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.753922][  T197]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.753925][  T197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.753928][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.753930][  T197]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.753932][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.753934][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.753937][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.753939][  T197] RIP: 0033:0x7f5bea15e54e
[   11.753943][  T197] 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
[   11.753945][  T197] RSP: 002b:00007ffce5eb64c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.753947][  T197] RAX: ffffffffffffffda RBX: 000055d01d6a8ca0 RCX: 00007f5bea15e54e
[   11.753949][  T197] RDX: 0000000000000030 RSI: 000055d01d54bfa0 RDI: 0000000000000012
[   11.753949][  T197] RBP: 00007ffce5eb64d0 R08: 00007ffce5eb6520 R09: 0000000000000080
[   11.753950][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d01d6fb7f0
[   11.753951][  T197] R13: 00007ffce5eb6604 R14: 0000000000000000 R15: 0000000000000000
| [   12.884665][  T219] softirqs last disabled at (11828): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   12.884667][  T219] Preemption disabled at:
| [   12.884668][  T219] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.884677][  T219] Tainted: [W]=WARN
[   12.884678][  T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.884679][  T219] Call Trace:
[   12.884681][  T219]  <TASK>
[   12.884682][  T219]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.884688][  T219]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.884690][  T219]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.884694][  T219]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.884699][  T219]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.884703][  T219]  __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))
[   12.884705][  T219]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.884712][  T219]  ? 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)
[   12.884715][  T219]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.884719][  T219]  put_chars (drivers/char/virtio_console.c:1176)
[   12.884721][  T219]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.884724][  T219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.884727][  T219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.884730][  T219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.884734][  T219]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.884738][  T219]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.884740][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.884742][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.884746][  T219]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.884748][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.884753][  T219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.884757][  T219]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.884761][  T219]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.884763][  T219]  ? 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))
[   12.884766][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884768][  T219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.884772][  T219]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.884777][  T219]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.884779][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.884784][  T219]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.884787][  T219]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.884789][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884791][  T219]  ? 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)
[   12.884795][  T219]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.884797][  T219]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.884799][  T219]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.884803][  T219]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.884805][  T219]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.884810][  T219]  _printk (kernel/printk/printk.c:2504)
[   12.884813][  T219]  ? snapshot_read.cold (user.c:?)
[   12.884817][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.884819][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.884823][  T219]  ? 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)
[   12.884826][  T219]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   12.884831][  T219]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   12.884836][  T219]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   12.884840][  T219]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.884846][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884847][  T219]  notifier_call_chain (kernel/notifier.c:85)
[   12.884852][  T219]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   12.884857][  T219]  ? netif_change_name (net/core/dev.c:1517)
[   12.884861][  T219]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.884865][  T219]  ? write_profile (profile.c:?)
[   12.884870][  T219]  netif_change_flags (net/core/dev.c:9882)
[   12.884874][  T219]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   12.884878][  T219]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.884880][  T219]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.884881][  T219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.884883][  T219]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.884887][  T219]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.884888][  T219]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.884890][  T219]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.884893][  T219]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.884895][  T219]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.884896][  T219]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.884898][  T219]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.884900][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.884902][  T219]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.884905][  T219]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.884909][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.884911][  T219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.884914][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884916][  T219]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.884917][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884918][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884920][  T219]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.884922][  T219]  ? __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)
[   12.884925][  T219]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.884927][  T219]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.884930][  T219]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.884934][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.884936][  T219]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.884942][  T219]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.884947][  T219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.884949][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.884954][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.884956][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.884958][  T219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.884960][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.884964][  T219]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.884966][  T219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.884969][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.884971][  T219]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.884975][  T219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.884977][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.884981][  T219]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.884983][  T219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.884986][  T219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.884993][  T219]  ? 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))
[   12.884998][  T219]  ? 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))
[   12.885004][  T219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.885009][  T219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.885011][  T219]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.885016][  T219]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.885020][  T219]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.885024][  T219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.885026][  T219]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.885032][  T219]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.885035][  T219]  ____sys_sendmsg (net/socket.c:2713)
[   12.885037][  T219]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.885039][  T219]  ? sock_write_iter (net/socket.c:1269)
[   12.885041][  T219]  ? move_addr_to_kernel (net/socket.c:258)
[   12.885048][  T219]  ___sys_sendmsg (net/socket.c:2767)
[   12.885051][  T219]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.885067][  T219]  __sys_sendmsg (net/socket.c:2799)
[   12.885070][  T219]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.885076][  T219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.885079][  T219]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.885082][  T219]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.885085][  T219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.885087][  T219] RIP: 0033:0x7fc093e8054e
[   12.885092][  T219] 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
[   12.885093][  T219] RSP: 002b:00007fff20c802d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.885096][  T219] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc093e8054e
[   12.885097][  T219] RDX: 0000000000000000 RSI: 00007fff20c80380 RDI: 0000000000000003
[   12.885098][  T219] RBP: 00007fff20c802e0 R08: 0000000000000000 R09: 0000000000000000
[   12.885099][  T219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9134f9
[   12.885099][  T219] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff20c80a40
| [   13.935204][  T260] softirqs last disabled at (9514): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   13.935206][  T260] Preemption disabled at:
| [   13.935207][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.935215][  T260] Tainted: [W]=WARN
[   13.935217][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.935218][  T260] Call Trace:
[   13.935220][  T260]  <TASK>
[   13.935221][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.935227][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.935229][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.935233][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.935238][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.935242][  T260]  __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))
[   13.935244][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.935251][  T260]  ? 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)
[   13.935254][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.935258][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   13.935261][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.935264][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.935267][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.935270][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.935274][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.935278][  T260]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.935280][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935282][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935287][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.935289][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.935293][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.935298][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.935302][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.935304][  T260]  ? 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))
[   13.935308][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935310][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.935314][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.935319][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.935321][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935326][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.935330][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.935331][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935333][  T260]  ? 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)
[   13.935337][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.935339][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.935342][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.935346][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.935348][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935353][  T260]  _printk (kernel/printk/printk.c:2504)
[   13.935357][  T260]  ? snapshot_read.cold (user.c:?)
[   13.935360][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.935362][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.935366][  T260]  ? 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)
[   13.935370][  T260]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   13.935375][  T260]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   13.935380][  T260]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.935388][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935389][  T260]  notifier_call_chain (kernel/notifier.c:85)
[   13.935394][  T260]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   13.935400][  T260]  ? netif_change_name (net/core/dev.c:1517)
[   13.935404][  T260]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.935407][  T260]  ? write_profile (profile.c:?)
[   13.935413][  T260]  netif_change_flags (net/core/dev.c:9882)
[   13.935417][  T260]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.935421][  T260]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.935423][  T260]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.935425][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.935427][  T260]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.935430][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.935432][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.935434][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.935437][  T260]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.935439][  T260]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.935440][  T260]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.935442][  T260]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.935444][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935446][  T260]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.935449][  T260]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.935453][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.935455][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.935458][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935460][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.935462][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935463][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935465][  T260]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.935467][  T260]  ? __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)
[   13.935469][  T260]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.935472][  T260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.935475][  T260]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.935479][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935482][  T260]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.935487][  T260]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.935493][  T260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.935495][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935500][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.935502][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.935504][  T260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.935506][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.935510][  T260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.935512][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.935515][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.935517][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.935522][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.935524][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.935527][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.935531][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.935534][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.935541][  T260]  ? 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))
[   13.935543][  T260]  ? 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))
[   13.935548][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.935552][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.935555][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.935559][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.935564][  T260]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.935568][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.935569][  T260]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.935575][  T260]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.935578][  T260]  ____sys_sendmsg (net/socket.c:2713)
[   13.935580][  T260]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.935583][  T260]  ? sock_write_iter (net/socket.c:1269)
[   13.935584][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   13.935592][  T260]  ___sys_sendmsg (net/socket.c:2767)
[   13.935595][  T260]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.935613][  T260]  __sys_sendmsg (net/socket.c:2799)
[   13.935616][  T260]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.935623][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.935626][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.935629][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.935632][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.935634][  T260] RIP: 0033:0x7f79e61fd54e
[   13.935638][  T260] 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
[   13.935640][  T260] RSP: 002b:00007ffd999b2680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.935643][  T260] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f79e61fd54e
[   13.935644][  T260] RDX: 0000000000000000 RSI: 00007ffd999b2730 RDI: 0000000000000003
[   13.935645][  T260] RBP: 00007ffd999b2690 R08: 0000000000000000 R09: 0000000000000000
[   13.935646][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9134fa
[   13.935647][  T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd999b2df0
| [   14.967593][  T262] softirqs last disabled at (10746): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   14.967595][  T262] Preemption disabled at:
| [   14.967596][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.967604][  T262] Tainted: [W]=WARN
[   14.967605][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.967607][  T262] Call Trace:
[   14.967608][  T262]  <TASK>
[   14.967610][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.967616][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.967617][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.967622][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.967626][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.967631][  T262]  __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))
[   14.967632][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.967639][  T262]  ? 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)
[   14.967642][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.967646][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   14.967648][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.967651][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.967654][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.967657][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.967661][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.967665][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.967667][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967669][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967673][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.967675][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.967679][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.967683][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.967687][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.967689][  T262]  ? 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))
[   14.967692][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967694][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.967698][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.967702][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.967704][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967710][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.967713][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.967714][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967716][  T262]  ? 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)
[   14.967720][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.967722][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.967725][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.967728][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.967730][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967734][  T262]  _printk (kernel/printk/printk.c:2504)
[   14.967738][  T262]  ? snapshot_read.cold (user.c:?)
[   14.967741][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.967743][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.967747][  T262]  ? 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)
[   14.967751][  T262]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   14.967755][  T262]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   14.967760][  T262]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.967767][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967769][  T262]  notifier_call_chain (kernel/notifier.c:85)
[   14.967773][  T262]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   14.967778][  T262]  ? netif_change_name (net/core/dev.c:1517)
[   14.967782][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.967786][  T262]  ? write_profile (profile.c:?)
[   14.967791][  T262]  netif_change_flags (net/core/dev.c:9882)
[   14.967795][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   14.967798][  T262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.967800][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.967802][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.967804][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.967807][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.967809][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.967811][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.967813][  T262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.967816][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.967817][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.967818][  T262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.967821][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967823][  T262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.967826][  T262]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.967830][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.967832][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.967834][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967836][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.967838][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967839][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967841][  T262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.967843][  T262]  ? __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)
[   14.967846][  T262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.967848][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.967851][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.967855][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967857][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.967862][  T262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.967868][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.967870][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967874][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.967876][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.967878][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.967880][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.967884][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.967886][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.967889][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.967890][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.967895][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.967897][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.967900][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.967904][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.967906][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.967913][  T262]  ? 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))
[   14.967915][  T262]  ? 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))
[   14.967919][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.967923][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.967926][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.967930][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.967935][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.967938][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.967940][  T262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.967946][  T262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.967948][  T262]  ____sys_sendmsg (net/socket.c:2713)
[   14.967951][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.967953][  T262]  ? sock_write_iter (net/socket.c:1269)
[   14.967955][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   14.967962][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   14.967965][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.967981][  T262]  __sys_sendmsg (net/socket.c:2799)
[   14.967984][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.967990][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.967993][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.967998][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.968002][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.968004][  T262] RIP: 0033:0x7fc6999f954e
[   14.968008][  T262] 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
[   14.968010][  T262] RSP: 002b:00007fffa88d33b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.968012][  T262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc6999f954e
[   14.968014][  T262] RDX: 0000000000000000 RSI: 00007fffa88d3460 RDI: 0000000000000003
[   14.968015][  T262] RBP: 00007fffa88d33c0 R08: 0000000000000000 R09: 0000000000000000
[   14.968015][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9134fb
[   14.968016][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa88d3b20
| [   16.011811][  T282] softirqs last disabled at (19024): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.011814][  T282] Preemption disabled at:
| [   16.011815][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.011826][  T282] Tainted: [W]=WARN
[   16.011827][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.011830][  T282] Call Trace:
[   16.011832][  T282]  <TASK>
[   16.011834][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.011841][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.011843][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.011849][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.011855][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.011861][  T282]  __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))
[   16.011864][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.011873][  T282]  ? 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)
[   16.011877][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.011882][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   16.011886][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.011890][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.011894][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.011898][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.011905][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.011909][  T282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.011912][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.011914][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.011921][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.011924][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.011931][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.011937][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.011943][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.011946][  T282]  ? 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))
[   16.011951][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.011954][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.011960][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.011967][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.011969][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.011978][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.011982][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.011985][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.011988][  T282]  ? 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)
[   16.011994][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.011999][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.012004][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.012009][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.012012][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.012019][  T282]  _printk (kernel/printk/printk.c:2504)
[   16.012024][  T282]  ? snapshot_read.cold (user.c:?)
[   16.012029][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.012032][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.012038][  T282]  ? 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)
[   16.012043][  T282]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.012049][  T282]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.012057][  T282]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.012061][  T282]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.012069][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.012072][  T282]  notifier_call_chain (kernel/notifier.c:85)
[   16.012080][  T282]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.012087][  T282]  ? netif_change_name (net/core/dev.c:1517)
[   16.012093][  T282]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.012098][  T282]  ? write_profile (profile.c:?)
[   16.012105][  T282]  netif_change_flags (net/core/dev.c:9882)
[   16.012111][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.012117][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.012120][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.012123][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.012125][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.012130][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.012133][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.012136][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.012143][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.012147][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.012149][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.012151][  T282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.012154][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.012157][  T282]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.012162][  T282]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.012167][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.012170][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.012175][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.012177][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.012180][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.012181][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.012184][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.012188][  T282]  ? __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)
[   16.012191][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.012194][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.012200][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.012206][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.012209][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.012218][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.012227][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.012230][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.012237][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.012240][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.012243][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.012246][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.012252][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.012255][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.012261][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.012263][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.012271][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.012274][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.012279][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.012282][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.012287][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.012297][  T282]  ? 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))
[   16.012300][  T282]  ? 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))
[   16.012308][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.012314][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.012318][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.012325][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.012331][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.012337][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.012340][  T282]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.012347][  T282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.012352][  T282]  ____sys_sendmsg (net/socket.c:2713)
[   16.012355][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.012359][  T282]  ? sock_write_iter (net/socket.c:1269)
[   16.012361][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   16.012374][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   16.012378][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.012405][  T282]  __sys_sendmsg (net/socket.c:2799)
[   16.012410][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.012420][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.012425][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.012429][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.012433][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.012436][  T282] RIP: 0033:0x7f1029b2a54e
[   16.012441][  T282] 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
[   16.012443][  T282] RSP: 002b:00007fff88904630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.012447][  T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1029b2a54e
[   16.012449][  T282] RDX: 0000000000000000 RSI: 00007fff889046e0 RDI: 0000000000000003
[   16.012450][  T282] RBP: 00007fff88904640 R08: 0000000000000000 R09: 0000000000000000
[   16.012451][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9134fc


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