======================================
| [   10.034373][  T200] softirqs last disabled at (37730): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.034375][  T200] Preemption disabled at:
| [   10.034376][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.034384][  T200] Tainted: [W]=WARN
[   10.034385][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.034387][  T200] Call Trace:
[   10.034388][  T200]  <TASK>
[   10.034390][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.034395][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.034397][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.034401][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.034406][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.034410][  T200]  __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))
[   10.034412][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.034418][  T200]  ? 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)
[   10.034421][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.034424][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   10.034427][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.034430][  T200]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.034435][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.034438][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034444][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.034447][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034452][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.034456][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.034457][  T200]  ? 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))
[   10.034461][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034462][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.034466][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.034470][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.034472][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034478][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.034480][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.034482][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034484][  T200]  ? 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)
[   10.034487][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.034489][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.034492][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.034495][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.034496][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[   10.034499][  T200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.034502][  T200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.034508][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.034512][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.034520][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   10.034523][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.034527][  T200]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.034532][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.034538][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.034540][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   10.034543][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.034546][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.034549][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.034552][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.034554][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.034557][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.034561][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.034563][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.034566][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.034572][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.034575][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034578][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.034579][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.034581][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.034583][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.034585][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.034590][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034592][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.034593][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.034599][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.034601][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.034604][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034605][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.034607][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034608][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034610][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.034612][  T200]  ? __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)
[   10.034615][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.034616][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.034618][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.034621][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.034622][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.034626][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034629][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.034636][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.034639][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.034640][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034663][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.034665][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.034667][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.034669][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.034671][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034676][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.034677][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.034679][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.034681][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.034685][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.034687][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.034690][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.034691][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034695][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.034697][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.034701][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.034703][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.034706][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.034713][  T200]  ? 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))
[   10.034715][  T200]  ? 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))
[   10.034719][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.034723][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.034727][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.034730][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.034734][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.034735][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.034738][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.034743][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.034746][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.034749][  T200]  __sys_sendto (net/socket.c:2281)
[   10.034752][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.034766][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.034768][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.034771][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.034774][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.034776][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.034778][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.034780][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.034782][  T200] RIP: 0033:0x7f9c3747454e
[   10.034786][  T200] 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
[   10.034788][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.034791][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   10.034792][  T200] RDX: 0000000000000030 RSI: 000056232dd82fe0 RDI: 0000000000000014
[   10.034793][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   10.034793][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232dd90940
[   10.034794][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   11.649027][  T200] softirqs last disabled at (349620): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.649029][  T200] Preemption disabled at:
| [   11.649030][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.649038][  T200] Tainted: [W]=WARN
[   11.649039][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.649040][  T200] Call Trace:
[   11.649042][  T200]  <TASK>
[   11.649043][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.649049][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.649050][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.649055][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.649059][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.649064][  T200]  __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))
[   11.649066][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.649072][  T200]  ? 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)
[   11.649075][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.649078][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   11.649081][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.649082][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.649085][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.649088][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.649093][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.649097][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649102][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.649105][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649110][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.649114][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.649116][  T200]  ? 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))
[   11.649119][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649121][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.649125][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.649129][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.649131][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649136][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.649139][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.649141][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649143][  T200]  ? 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)
[   11.649146][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.649148][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.649151][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.649154][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.649155][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.649157][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.649162][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.649167][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.649172][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.649175][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649178][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   11.649181][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.649183][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.649186][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649187][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649189][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.649191][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.649194][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.649200][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.649203][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   11.649206][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649209][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.649211][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.649215][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.649217][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.649220][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.649223][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.649226][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649228][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.649234][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.649237][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649240][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.649241][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.649243][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.649245][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.649247][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.649251][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649253][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   11.649255][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   11.649258][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.649260][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.649263][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649265][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.649266][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649267][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649269][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.649271][  T200]  ? __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)
[   11.649274][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.649276][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.649278][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.649281][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.649282][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.649286][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649289][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.649296][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.649300][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.649301][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649324][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.649326][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649329][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.649330][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.649333][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649337][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.649339][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649341][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.649343][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.649346][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.649348][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.649351][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.649353][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649357][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.649359][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649363][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.649365][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.649368][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.649375][  T200]  ? 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))
[   11.649377][  T200]  ? 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))
[   11.649382][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.649386][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.649389][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.649393][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.649397][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.649398][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.649401][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.649406][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.649409][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   11.649412][  T200]  __sys_sendto (net/socket.c:2281)
[   11.649415][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.649426][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.649432][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.649434][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.649437][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.649439][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.649441][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.649443][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.649446][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.649448][  T200] RIP: 0033:0x7f9c3747454e
[   11.649452][  T200] 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
[   11.649454][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.649456][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   11.649457][  T200] RDX: 0000000000000030 RSI: 000056232dd8d4b0 RDI: 0000000000000014
[   11.649458][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   11.649459][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232dd8ff50
[   11.649460][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   12.976044][  T200] softirqs last disabled at (687634): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.976047][  T200] Preemption disabled at:
| [   12.976048][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.976056][  T200] Tainted: [W]=WARN
[   12.976057][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.976058][  T200] Call Trace:
[   12.976060][  T200]  <TASK>
[   12.976061][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.976067][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.976069][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.976073][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.976077][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.976082][  T200]  __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))
[   12.976084][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.976090][  T200]  ? 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)
[   12.976093][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.976096][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   12.976099][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.976100][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.976104][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.976106][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.976111][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.976115][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976120][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.976123][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976128][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.976132][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.976134][  T200]  ? 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))
[   12.976137][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976139][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.976143][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.976147][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.976149][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976154][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.976157][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.976159][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976160][  T200]  ? 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)
[   12.976164][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.976166][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.976169][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.976172][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.976173][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.976175][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.976180][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.976186][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.976191][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.976193][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976196][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   12.976199][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.976201][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.976204][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976205][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976207][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.976209][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.976212][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.976218][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.976221][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   12.976224][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.976227][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.976229][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.976233][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.976235][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.976238][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.976241][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.976244][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.976247][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.976252][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.976255][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976258][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.976259][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.976261][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.976263][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.976265][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.976269][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976271][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.976273][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.976276][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.976278][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.976281][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976283][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.976284][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976285][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976287][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.976289][  T200]  ? __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)
[   12.976292][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.976294][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.976296][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.976298][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.976300][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.976303][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976307][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.976314][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.976317][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.976318][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976342][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.976343][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.976346][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.976348][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.976350][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976355][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.976357][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.976358][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.976360][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.976364][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.976366][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.976369][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.976370][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976375][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.976377][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.976380][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.976383][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.976386][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.976393][  T200]  ? 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))
[   12.976395][  T200]  ? 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))
[   12.976399][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.976403][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.976407][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.976410][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.976414][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.976416][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.976419][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.976424][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.976426][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.976430][  T200]  __sys_sendto (net/socket.c:2281)
[   12.976433][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.976444][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.976449][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.976452][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.976455][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.976457][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.976459][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.976461][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.976463][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.976465][  T200] RIP: 0033:0x7f9c3747454e
[   12.976469][  T200] 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
[   12.976471][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.976474][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   12.976475][  T200] RDX: 0000000000000030 RSI: 000056232dd95bb0 RDI: 0000000000000014
[   12.976476][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   12.976476][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232dda4490
[   12.976477][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   14.075114][  T200] softirqs last disabled at (912064): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.075117][  T200] Preemption disabled at:
| [   14.075118][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.075126][  T200] Tainted: [W]=WARN
[   14.075127][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.075128][  T200] Call Trace:
[   14.075130][  T200]  <TASK>
[   14.075133][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.075139][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.075140][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.075144][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.075149][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.075153][  T200]  __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))
[   14.075155][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.075161][  T200]  ? 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)
[   14.075164][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.075167][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   14.075170][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.075171][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.075174][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.075177][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.075182][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.075186][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075191][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.075194][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075198][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.075202][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.075204][  T200]  ? 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))
[   14.075207][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075209][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.075212][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.075217][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.075218][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075224][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.075226][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.075228][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075230][  T200]  ? 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)
[   14.075233][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.075235][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.075238][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.075241][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.075242][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.075244][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.075249][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.075254][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.075259][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.075261][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075265][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   14.075267][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.075270][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.075272][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075274][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075276][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.075277][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.075281][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.075287][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.075289][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   14.075292][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.075295][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.075298][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.075301][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.075303][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.075306][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.075309][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.075312][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.075314][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.075320][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.075323][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075326][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.075327][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.075329][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.075331][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.075333][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.075337][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075339][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   14.075341][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.075344][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.075346][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.075348][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075350][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.075351][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075353][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075354][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.075356][  T200]  ? __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)
[   14.075359][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.075361][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.075363][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.075366][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.075367][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.075371][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075374][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.075381][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.075384][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.075385][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075407][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.075409][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.075412][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.075414][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.075415][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.075417][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075421][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.075423][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.075425][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.075427][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.075430][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.075432][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.075435][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.075437][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.075441][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.075443][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.075446][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.075449][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.075452][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.075459][  T200]  ? 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))
[   14.075461][  T200]  ? 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))
[   14.075465][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.075469][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.075472][  T200]  ? skb_put (net/core/skbuff.c:2640)
[   14.075477][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.075481][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.075483][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.075485][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.075490][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.075493][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.075496][  T200]  __sys_sendto (net/socket.c:2281)
[   14.075499][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.075513][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.075515][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.075519][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.075521][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.075524][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.075526][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.075528][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.075530][  T200] RIP: 0033:0x7f9c3747454e
[   14.075534][  T200] 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
[   14.075535][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.075538][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   14.075539][  T200] RDX: 0000000000000030 RSI: 000056232dca9960 RDI: 0000000000000014
[   14.075539][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   14.075540][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232dda3370
[   14.075541][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   15.091512][  T356] softirqs last disabled at (15134): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.091514][  T356] Preemption disabled at:
| [   15.091515][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.091523][  T356] Tainted: [W]=WARN
[   15.091523][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.091525][  T356] Call Trace:
[   15.091527][  T356]  <TASK>
[   15.091528][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.091534][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.091536][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.091540][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.091544][  T356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.091549][  T356]  __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))
[   15.091551][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.091557][  T356]  ? 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)
[   15.091560][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.091564][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   15.091566][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.091569][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.091572][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.091575][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.091579][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.091583][  T356]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.091585][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.091586][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.091591][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.091592][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.091599][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.091603][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.091607][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.091609][  T356]  ? 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))
[   15.091612][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091614][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.091618][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.091622][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.091624][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.091629][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.091632][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.091634][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091635][  T356]  ? 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)
[   15.091639][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.091641][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.091644][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.091647][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.091649][  T356]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.091653][  T356]  _printk (kernel/printk/printk.c:2504)
[   15.091657][  T356]  ? snapshot_read.cold (user.c:?)
[   15.091660][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.091662][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.091666][  T356]  ? 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)
[   15.091669][  T356]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   15.091674][  T356]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   15.091678][  T356]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   15.091682][  T356]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   15.091688][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091690][  T356]  notifier_call_chain (kernel/notifier.c:85)
[   15.091694][  T356]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   15.091699][  T356]  ? netif_change_name (net/core/dev.c:1517)
[   15.091703][  T356]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.091706][  T356]  ? write_profile (profile.c:?)
[   15.091711][  T356]  netif_change_flags (net/core/dev.c:9882)
[   15.091715][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.091718][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.091720][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.091722][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.091723][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.091727][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.091729][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.091731][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.091733][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.091735][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.091736][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.091738][  T356]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.091740][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.091742][  T356]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.091745][  T356]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.091748][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.091750][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.091753][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091755][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.091756][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091757][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091759][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.091761][  T356]  ? __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)
[   15.091763][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.091765][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.091769][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.091772][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091774][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.091779][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.091785][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.091786][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.091791][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.091793][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.091795][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.091796][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.091800][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.091802][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.091805][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.091806][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.091811][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.091813][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.091816][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.091818][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.091821][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.091827][  T356]  ? 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))
[   15.091829][  T356]  ? 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))
[   15.091833][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.091837][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.091840][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.091844][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.091848][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.091851][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.091853][  T356]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.091858][  T356]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.091861][  T356]  ____sys_sendmsg (net/socket.c:2713)
[   15.091863][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.091865][  T356]  ? sock_write_iter (net/socket.c:1269)
[   15.091867][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   15.091874][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   15.091877][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.091896][  T356]  __sys_sendmsg (net/socket.c:2799)
[   15.091899][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.091905][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.091908][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.091911][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.091914][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.091916][  T356] RIP: 0033:0x7fae7404854e
[   15.091920][  T356] 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
[   15.091922][  T356] RSP: 002b:00007ffea4a44080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.091924][  T356] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fae7404854e
[   15.091926][  T356] RDX: 0000000000000000 RSI: 00007ffea4a44130 RDI: 0000000000000003
[   15.091926][  T356] RBP: 00007ffea4a44090 R08: 0000000000000000 R09: 0000000000000000
[   15.091927][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917068
[   15.091928][  T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea4a447f0
| [   16.129413][  T388] softirqs last disabled at (10280): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.129415][  T388] Preemption disabled at:
| [   16.129415][  T388] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.129423][  T388] Tainted: [W]=WARN
[   16.129424][  T388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.129426][  T388] Call Trace:
[   16.129427][  T388]  <TASK>
[   16.129429][  T388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.129434][  T388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.129436][  T388]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.129440][  T388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.129445][  T388]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.129449][  T388]  __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))
[   16.129451][  T388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.129457][  T388]  ? 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)
[   16.129460][  T388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.129463][  T388]  put_chars (drivers/char/virtio_console.c:1176)
[   16.129466][  T388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.129468][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.129471][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.129474][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.129478][  T388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.129482][  T388]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.129484][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.129486][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.129490][  T388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.129492][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.129496][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.129500][  T388]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.129504][  T388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.129506][  T388]  ? 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))
[   16.129509][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129511][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.129515][  T388]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.129519][  T388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.129521][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.129526][  T388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.129529][  T388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.129531][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129533][  T388]  ? 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)
[   16.129536][  T388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.129538][  T388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.129541][  T388]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.129544][  T388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.129546][  T388]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.129551][  T388]  _printk (kernel/printk/printk.c:2504)
[   16.129554][  T388]  ? snapshot_read.cold (user.c:?)
[   16.129558][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.129559][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.129563][  T388]  ? 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)
[   16.129567][  T388]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.129571][  T388]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.129576][  T388]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.129580][  T388]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   16.129585][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129587][  T388]  notifier_call_chain (kernel/notifier.c:85)
[   16.129592][  T388]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.129599][  T388]  ? netif_change_name (net/core/dev.c:1517)
[   16.129603][  T388]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.129606][  T388]  ? write_profile (profile.c:?)
[   16.129611][  T388]  netif_change_flags (net/core/dev.c:9882)
[   16.129615][  T388]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.129619][  T388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.129621][  T388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.129622][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.129624][  T388]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.129627][  T388]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.129629][  T388]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.129631][  T388]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.129633][  T388]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.129636][  T388]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.129637][  T388]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.129638][  T388]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.129640][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.129642][  T388]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.129645][  T388]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.129649][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.129651][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.129654][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129655][  T388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.129657][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129658][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129660][  T388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.129662][  T388]  ? __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)
[   16.129664][  T388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.129666][  T388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.129669][  T388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.129673][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129675][  T388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.129680][  T388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.129685][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.129687][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.129692][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.129694][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.129696][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.129697][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.129701][  T388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.129703][  T388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.129706][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.129707][  T388]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.129712][  T388]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.129714][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.129717][  T388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.129719][  T388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.129722][  T388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.129728][  T388]  ? 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))
[   16.129730][  T388]  ? 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))
[   16.129735][  T388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.129739][  T388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.129741][  T388]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.129745][  T388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.129749][  T388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.129753][  T388]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.129755][  T388]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.129760][  T388]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.129763][  T388]  ____sys_sendmsg (net/socket.c:2713)
[   16.129765][  T388]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.129767][  T388]  ? sock_write_iter (net/socket.c:1269)
[   16.129769][  T388]  ? move_addr_to_kernel (net/socket.c:258)
[   16.129776][  T388]  ___sys_sendmsg (net/socket.c:2767)
[   16.129779][  T388]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.129794][  T388]  __sys_sendmsg (net/socket.c:2799)
[   16.129797][  T388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.129803][  T388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.129806][  T388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.129809][  T388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.129812][  T388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.129814][  T388] RIP: 0033:0x7f7f8b44e54e
[   16.129818][  T388] 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
[   16.129819][  T388] RSP: 002b:00007ffc80d1ed90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.129822][  T388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f8b44e54e
[   16.129823][  T388] RDX: 0000000000000000 RSI: 00007ffc80d1ee40 RDI: 0000000000000003
[   16.129824][  T388] RBP: 00007ffc80d1eda0 R08: 0000000000000000 R09: 0000000000000000
[   16.129825][  T388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917069
[   16.129826][  T388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc80d1f500
| [   17.453240][  T200] softirqs last disabled at (1613832): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.453243][  T200] Preemption disabled at:
| [   17.453243][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.453252][  T200] Tainted: [W]=WARN
[   17.453253][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.453254][  T200] Call Trace:
[   17.453256][  T200]  <TASK>
[   17.453257][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.453263][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.453265][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.453269][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.453274][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.453278][  T200]  __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))
[   17.453280][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.453286][  T200]  ? 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)
[   17.453289][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.453293][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   17.453295][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.453296][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.453300][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.453303][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.453307][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.453311][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453316][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.453319][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453324][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.453328][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.453330][  T200]  ? 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))
[   17.453333][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453335][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.453339][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.453343][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.453345][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453350][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.453353][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.453355][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453356][  T200]  ? 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)
[   17.453360][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.453362][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.453364][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.453367][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.453369][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.453371][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.453376][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   17.453381][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   17.453386][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.453388][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453392][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   17.453394][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   17.453397][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.453400][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453401][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453403][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.453404][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.453408][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   17.453414][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.453417][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   17.453420][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.453423][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.453425][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.453429][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.453431][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.453434][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.453437][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.453440][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.453443][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.453448][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.453451][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453454][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.453455][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.453457][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.453459][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.453461][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.453465][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453467][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.453469][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   17.453472][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.453474][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.453477][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453479][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.453480][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453481][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453483][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.453485][  T200]  ? __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)
[   17.453488][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.453490][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.453491][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.453494][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.453496][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.453499][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453502][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.453510][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   17.453513][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.453514][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453537][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.453539][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.453542][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.453544][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.453546][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453550][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.453552][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.453554][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.453556][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.453560][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.453562][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.453565][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.453566][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453571][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.453573][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.453576][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.453579][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.453582][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.453588][  T200]  ? 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))
[   17.453590][  T200]  ? 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))
[   17.453595][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.453603][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.453606][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.453610][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.453614][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.453615][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.453618][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.453623][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.453626][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   17.453629][  T200]  __sys_sendto (net/socket.c:2281)
[   17.453632][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   17.453643][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   17.453648][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   17.453650][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.453654][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.453655][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   17.453658][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.453660][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.453662][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.453664][  T200] RIP: 0033:0x7f9c3747454e
[   17.453668][  T200] 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
[   17.453669][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.453672][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   17.453673][  T200] RDX: 0000000000000030 RSI: 000056232dd7d890 RDI: 0000000000000014
[   17.453674][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   17.453674][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddadb60
[   17.453675][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   18.577715][  T461] softirqs last disabled at (17534): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   18.577717][  T461] Preemption disabled at:
| [   18.577717][  T461] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.577726][  T461] Tainted: [W]=WARN
[   18.577727][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.577728][  T461] Call Trace:
[   18.577730][  T461]  <TASK>
[   18.577731][  T461]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.577737][  T461]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.577738][  T461]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.577743][  T461]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.577747][  T461]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.577751][  T461]  __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))
[   18.577753][  T461]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.577760][  T461]  ? 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)
[   18.577763][  T461]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.577766][  T461]  put_chars (drivers/char/virtio_console.c:1176)
[   18.577769][  T461]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.577771][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.577774][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.577777][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.577781][  T461]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.577785][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.577787][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.577789][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.577793][  T461]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.577795][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.577799][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.577803][  T461]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.577807][  T461]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.577809][  T461]  ? 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))
[   18.577812][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577814][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.577818][  T461]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.577822][  T461]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.577824][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.577829][  T461]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.577832][  T461]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.577834][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577836][  T461]  ? 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)
[   18.577839][  T461]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.577841][  T461]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.577844][  T461]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.577847][  T461]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.577849][  T461]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.577854][  T461]  _printk (kernel/printk/printk.c:2504)
[   18.577857][  T461]  ? snapshot_read.cold (user.c:?)
[   18.577860][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.577862][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.577866][  T461]  ? 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)
[   18.577869][  T461]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   18.577874][  T461]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   18.577879][  T461]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   18.577882][  T461]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.577888][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577890][  T461]  notifier_call_chain (kernel/notifier.c:85)
[   18.577894][  T461]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   18.577899][  T461]  ? netif_change_name (net/core/dev.c:1517)
[   18.577903][  T461]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   18.577906][  T461]  ? write_profile (profile.c:?)
[   18.577911][  T461]  netif_change_flags (net/core/dev.c:9882)
[   18.577915][  T461]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   18.577919][  T461]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.577924][  T461]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.577926][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.577928][  T461]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.577931][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.577933][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.577935][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.577937][  T461]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.577939][  T461]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.577941][  T461]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.577942][  T461]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.577944][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.577946][  T461]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   18.577949][  T461]  ? ___sys_sendmsg (net/socket.c:2758)
[   18.577953][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.577955][  T461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.577957][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577959][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.577960][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577962][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577963][  T461]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.577965][  T461]  ? __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)
[   18.577968][  T461]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.577970][  T461]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.577973][  T461]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.577977][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577979][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.577984][  T461]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.577989][  T461]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.577991][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.577996][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.577997][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.577999][  T461]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.578001][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.578005][  T461]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.578007][  T461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.578010][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.578011][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.578016][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.578018][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.578021][  T461]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.578023][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.578026][  T461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.578032][  T461]  ? 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))
[   18.578034][  T461]  ? 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))
[   18.578039][  T461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.578043][  T461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.578045][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.578050][  T461]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.578053][  T461]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.578057][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.578059][  T461]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.578064][  T461]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.578067][  T461]  ____sys_sendmsg (net/socket.c:2713)
[   18.578069][  T461]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.578071][  T461]  ? sock_write_iter (net/socket.c:1269)
[   18.578073][  T461]  ? move_addr_to_kernel (net/socket.c:258)
[   18.578080][  T461]  ___sys_sendmsg (net/socket.c:2767)
[   18.578083][  T461]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.578098][  T461]  __sys_sendmsg (net/socket.c:2799)
[   18.578101][  T461]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.578107][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.578110][  T461]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.578113][  T461]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.578116][  T461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.578118][  T461] RIP: 0033:0x7f2b38d4354e
[   18.578122][  T461] 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
[   18.578123][  T461] RSP: 002b:00007fff3a2f7ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.578126][  T461] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2b38d4354e
[   18.578127][  T461] RDX: 0000000000000000 RSI: 00007fff3a2f7f70 RDI: 0000000000000003
[   18.578128][  T461] RBP: 00007fff3a2f7ed0 R08: 0000000000000000 R09: 0000000000000000
[   18.578129][  T461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91706b
[   18.578130][  T461] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3a2f8630
| [   19.582325][  T200] softirqs last disabled at (1929130): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.582328][  T200] Preemption disabled at:
| [   19.582328][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.582337][  T200] Tainted: [W]=WARN
[   19.582338][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.582339][  T200] Call Trace:
[   19.582341][  T200]  <TASK>
[   19.582342][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.582349][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.582350][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.582355][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.582359][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.582364][  T200]  __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))
[   19.582366][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.582372][  T200]  ? 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)
[   19.582375][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.582378][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   19.582381][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.582382][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.582385][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.582388][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.582393][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.582397][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582402][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.582406][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582410][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.582414][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.582416][  T200]  ? 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))
[   19.582419][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582421][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.582425][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.582429][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.582431][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582437][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.582440][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.582442][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582443][  T200]  ? 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)
[   19.582447][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.582449][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.582451][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.582455][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.582456][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.582458][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.582463][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.582468][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.582473][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.582475][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582479][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   19.582481][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.582484][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.582487][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582488][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582490][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.582492][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.582495][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.582502][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.582505][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   19.582507][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.582510][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.582513][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.582516][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.582518][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.582521][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.582525][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.582528][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.582530][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.582536][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.582539][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582542][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.582543][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.582545][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.582547][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.582549][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.582554][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582555][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.582557][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   19.582561][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.582563][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.582565][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582567][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.582568][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582570][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582571][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.582574][  T200]  ? __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)
[   19.582576][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.582578][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.582580][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.582583][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.582584][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.582588][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582592][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.582602][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   19.582605][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.582606][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582629][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.582631][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.582634][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.582636][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.582638][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582642][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.582644][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.582646][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.582648][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.582652][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.582653][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.582657][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.582658][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582663][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.582665][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.582668][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.582671][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.582674][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.582680][  T200]  ? 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))
[   19.582682][  T200]  ? 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))
[   19.582687][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.582691][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.582695][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.582698][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.582702][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.582704][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.582706][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.582711][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.582714][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   19.582718][  T200]  __sys_sendto (net/socket.c:2281)
[   19.582721][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.582731][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   19.582737][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.582739][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.582743][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.582744][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.582747][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.582749][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.582751][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.582753][  T200] RIP: 0033:0x7f9c3747454e
[   19.582757][  T200] 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
[   19.582759][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.582761][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   19.582763][  T200] RDX: 0000000000000030 RSI: 000056232dda6c10 RDI: 0000000000000014
[   19.582764][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   19.582764][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232dde3c30
[   19.582765][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   20.739388][  T200] softirqs last disabled at (2159110): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.739391][  T200] Preemption disabled at:
| [   20.739391][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.739399][  T200] Tainted: [W]=WARN
[   20.739400][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.739402][  T200] Call Trace:
[   20.739403][  T200]  <TASK>
[   20.739405][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.739410][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.739412][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.739417][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.739421][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.739425][  T200]  __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))
[   20.739427][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.739433][  T200]  ? 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)
[   20.739436][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.739440][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   20.739442][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.739443][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.739447][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.739450][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.739455][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.739459][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739464][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.739467][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739471][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.739475][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.739477][  T200]  ? 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))
[   20.739480][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739482][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.739486][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.739490][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.739492][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739497][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.739500][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.739502][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739504][  T200]  ? 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)
[   20.739507][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.739509][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.739512][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.739515][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.739516][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.739518][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.739523][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.739528][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.739533][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.739535][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739539][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   20.739541][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.739544][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.739546][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739548][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739550][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.739551][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.739555][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.739561][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.739564][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   20.739566][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.739569][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.739572][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.739575][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.739577][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.739580][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.739584][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.739587][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.739589][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.739595][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.739600][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739603][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.739605][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.739606][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.739608][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.739610][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.739615][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739616][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.739618][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.739621][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.739623][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.739626][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739628][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.739629][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739630][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739632][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.739634][  T200]  ? __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)
[   20.739637][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.739639][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.739640][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.739643][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.739644][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.739648][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739651][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.739659][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.739662][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.739663][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739686][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.739688][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.739691][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.739693][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.739695][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739699][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.739701][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.739703][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.739705][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.739708][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.739710][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.739713][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.739715][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739719][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.739721][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.739724][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.739728][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.739731][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.739737][  T200]  ? 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))
[   20.739739][  T200]  ? 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))
[   20.739744][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.739748][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.739751][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.739755][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.739759][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.739761][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.739763][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.739768][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.739771][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.739774][  T200]  __sys_sendto (net/socket.c:2281)
[   20.739777][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.739788][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   20.739794][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.739796][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.739799][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.739801][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.739803][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.739805][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.739807][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.739809][  T200] RIP: 0033:0x7f9c3747454e
[   20.739813][  T200] 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
[   20.739815][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.739817][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   20.739818][  T200] RDX: 0000000000000030 RSI: 000056232dd7d850 RDI: 0000000000000014
[   20.739819][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   20.739820][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232dde6db0
[   20.739820][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   21.781055][  T557] softirqs last disabled at (12040): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   21.781057][  T557] Preemption disabled at:
| [   21.781057][  T557] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.781065][  T557] Tainted: [W]=WARN
[   21.781066][  T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.781067][  T557] Call Trace:
[   21.781069][  T557]  <TASK>
[   21.781070][  T557]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.781076][  T557]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.781078][  T557]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.781082][  T557]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.781086][  T557]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.781091][  T557]  __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))
[   21.781093][  T557]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.781099][  T557]  ? 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)
[   21.781102][  T557]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.781106][  T557]  put_chars (drivers/char/virtio_console.c:1176)
[   21.781108][  T557]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.781111][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.781114][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.781117][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.781121][  T557]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.781125][  T557]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.781127][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.781129][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.781133][  T557]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.781135][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.781139][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.781143][  T557]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.781148][  T557]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.781149][  T557]  ? 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))
[   21.781153][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781154][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.781158][  T557]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.781163][  T557]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.781165][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.781170][  T557]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.781173][  T557]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.781175][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781176][  T557]  ? 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)
[   21.781180][  T557]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.781182][  T557]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.781185][  T557]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.781188][  T557]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.781190][  T557]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.781194][  T557]  _printk (kernel/printk/printk.c:2504)
[   21.781198][  T557]  ? snapshot_read.cold (user.c:?)
[   21.781201][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.781203][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.781207][  T557]  ? 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)
[   21.781211][  T557]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   21.781215][  T557]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   21.781220][  T557]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   21.781224][  T557]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   21.781230][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781231][  T557]  notifier_call_chain (kernel/notifier.c:85)
[   21.781236][  T557]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   21.781241][  T557]  ? netif_change_name (net/core/dev.c:1517)
[   21.781245][  T557]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.781248][  T557]  ? write_profile (profile.c:?)
[   21.781253][  T557]  netif_change_flags (net/core/dev.c:9882)
[   21.781257][  T557]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.781261][  T557]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.781263][  T557]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.781264][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.781266][  T557]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.781269][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.781271][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.781273][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.781276][  T557]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.781278][  T557]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.781279][  T557]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.781281][  T557]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.781283][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.781285][  T557]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   21.781288][  T557]  ? ___sys_sendmsg (net/socket.c:2758)
[   21.781292][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.781294][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.781296][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781298][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.781300][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781301][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781303][  T557]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.781305][  T557]  ? __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)
[   21.781307][  T557]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.781309][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.781313][  T557]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.781316][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781319][  T557]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.781324][  T557]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.781329][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.781331][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.781336][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.781338][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.781340][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.781342][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.781345][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.781347][  T557]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.781351][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.781352][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.781356][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.781358][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.781362][  T557]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.781364][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.781367][  T557]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.781373][  T557]  ? 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))
[   21.781375][  T557]  ? 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))
[   21.781380][  T557]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.781384][  T557]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.781386][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.781391][  T557]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.781395][  T557]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.781399][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.781400][  T557]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.781406][  T557]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.781408][  T557]  ____sys_sendmsg (net/socket.c:2713)
[   21.781411][  T557]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.781413][  T557]  ? sock_write_iter (net/socket.c:1269)
[   21.781415][  T557]  ? move_addr_to_kernel (net/socket.c:258)
[   21.781422][  T557]  ___sys_sendmsg (net/socket.c:2767)
[   21.781425][  T557]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.781441][  T557]  __sys_sendmsg (net/socket.c:2799)
[   21.781444][  T557]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.781451][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.781454][  T557]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.781457][  T557]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.781460][  T557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.781462][  T557] RIP: 0033:0x7f1fba24d54e
[   21.781465][  T557] 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
[   21.781467][  T557] RSP: 002b:00007ffee10e5190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.781470][  T557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1fba24d54e
[   21.781471][  T557] RDX: 0000000000000000 RSI: 00007ffee10e5240 RDI: 0000000000000003
[   21.781472][  T557] RBP: 00007ffee10e51a0 R08: 0000000000000000 R09: 0000000000000000
[   21.781473][  T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91706f
[   21.781474][  T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee10e5900
| [   22.794457][  T585] softirqs last disabled at (12740): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   22.794459][  T585] Preemption disabled at:
| [   22.794459][  T585] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.794467][  T585] Tainted: [W]=WARN
[   22.794468][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.794470][  T585] Call Trace:
[   22.794471][  T585]  <TASK>
[   22.794473][  T585]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.794479][  T585]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.794480][  T585]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.794485][  T585]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.794489][  T585]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.794493][  T585]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.794495][  T585]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.794502][  T585]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.794504][  T585]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.794508][  T585]  put_chars (drivers/char/virtio_console.c:1176)
[   22.794510][  T585]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.794513][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.794516][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.794519][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.794523][  T585]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.794527][  T585]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.794529][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.794530][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.794535][  T585]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.794536][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.794541][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.794545][  T585]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.794549][  T585]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.794551][  T585]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.794554][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794556][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.794560][  T585]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.794564][  T585]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.794566][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.794571][  T585]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.794574][  T585]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.794576][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794578][  T585]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.794581][  T585]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.794583][  T585]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.794586][  T585]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.794589][  T585]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.794591][  T585]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.794596][  T585]  _printk (kernel/printk/printk.c:2504)
[   22.794602][  T585]  ? snapshot_read.cold (user.c:?)
[   22.794605][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.794607][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.794611][  T585]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   22.794614][  T585]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   22.794619][  T585]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   22.794624][  T585]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   22.794627][  T585]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   22.794633][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794635][  T585]  notifier_call_chain (kernel/notifier.c:85)
[   22.794640][  T585]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   22.794645][  T585]  ? netif_change_name (net/core/dev.c:1517)
[   22.794648][  T585]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.794652][  T585]  ? write_profile (profile.c:?)
[   22.794657][  T585]  netif_change_flags (net/core/dev.c:9882)
[   22.794661][  T585]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   22.794664][  T585]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.794666][  T585]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.794667][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.794669][  T585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.794673][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.794675][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.794676][  T585]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.794679][  T585]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.794681][  T585]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.794682][  T585]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.794684][  T585]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.794686][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.794688][  T585]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.794690][  T585]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.794694][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.794696][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.794699][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794701][  T585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.794702][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794703][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794705][  T585]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.794707][  T585]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.794710][  T585]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.794711][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.794715][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.794718][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794721][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.794726][  T585]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.794731][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.794733][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.794738][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.794739][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.794741][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.794743][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.794747][  T585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.794749][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.794752][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.794753][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.794758][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.794759][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.794763][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.794765][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.794768][  T585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.794774][  T585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.794776][  T585]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.794781][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.794785][  T585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.794787][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.794792][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.794796][  T585]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.794799][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.794801][  T585]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.794806][  T585]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.794809][  T585]  ____sys_sendmsg (net/socket.c:2713)
[   22.794811][  T585]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.794814][  T585]  ? sock_write_iter (net/socket.c:1269)
[   22.794815][  T585]  ? move_addr_to_kernel (net/socket.c:258)
[   22.794823][  T585]  ___sys_sendmsg (net/socket.c:2767)
[   22.794826][  T585]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.794842][  T585]  __sys_sendmsg (net/socket.c:2799)
[   22.794845][  T585]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.794851][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.794854][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.794857][  T585]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.794860][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.794862][  T585] RIP: 0033:0x7f4a0f03e54e
[   22.794866][  T585] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.794867][  T585] RSP: 002b:00007ffd44a3dd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.794870][  T585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4a0f03e54e
[   22.794871][  T585] RDX: 0000000000000000 RSI: 00007ffd44a3de00 RDI: 0000000000000003
[   22.794872][  T585] RBP: 00007ffd44a3dd60 R08: 0000000000000000 R09: 0000000000000000
[   22.794873][  T585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917070
[   22.794874][  T585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd44a3e4c0
| [   23.903362][  T200] softirqs last disabled at (2834412): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.903365][  T200] Preemption disabled at:
| [   23.903366][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.903374][  T200] Tainted: [W]=WARN
[   23.903374][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.903376][  T200] Call Trace:
[   23.903378][  T200]  <TASK>
[   23.903379][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.903385][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.903387][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.903391][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.903395][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.903399][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.903401][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.903408][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.903411][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.903414][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   23.903416][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.903418][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.903421][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.903424][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.903429][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.903433][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903438][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.903441][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903446][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.903450][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.903451][  T200]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.903455][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903456][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.903460][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.903465][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.903466][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903472][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.903475][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.903477][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903478][  T200]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.903482][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.903484][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.903486][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.903490][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.903491][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.903493][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.903498][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   23.903503][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   23.903508][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.903510][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903514][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   23.903517][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   23.903519][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.903522][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903523][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903525][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.903527][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.903531][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   23.903537][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.903540][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   23.903542][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.903545][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.903548][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.903551][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.903554][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.903556][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.903560][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.903563][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.903565][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.903571][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.903574][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903577][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.903578][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.903580][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.903582][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.903584][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.903588][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903590][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   23.903592][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   23.903599][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.903601][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.903604][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903606][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.903607][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903608][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903610][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.903612][  T200]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   23.903615][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.903617][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   23.903619][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.903622][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.903623][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.903626][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903630][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.903637][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   23.903640][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.903641][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903663][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.903665][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.903668][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.903670][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.903672][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903676][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.903678][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.903680][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.903682][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.903685][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   23.903687][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.903690][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.903692][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903696][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.903698][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.903702][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.903704][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.903707][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.903714][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.903716][  T200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.903720][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.903724][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.903728][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.903731][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.903735][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.903737][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.903739][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.903744][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.903747][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   23.903750][  T200]  __sys_sendto (net/socket.c:2281)
[   23.903753][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   23.903764][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   23.903769][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   23.903771][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.903775][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.903776][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   23.903779][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.903781][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.903783][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.903785][  T200] RIP: 0033:0x7f9c3747454e
[   23.903789][  T200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.903791][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   23.903793][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   23.903794][  T200] RDX: 0000000000000030 RSI: 000056232dde9f60 RDI: 0000000000000014
[   23.903795][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   23.903796][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddc56c0
[   23.903797][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   25.128369][  T200] softirqs last disabled at (3087052): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.128372][  T200] Preemption disabled at:
| [   25.128372][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.128380][  T200] Tainted: [W]=WARN
[   25.128381][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.128383][  T200] Call Trace:
[   25.128385][  T200]  <TASK>
[   25.128386][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.128392][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.128394][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.128399][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.128403][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.128407][  T200]  __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))
[   25.128409][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.128416][  T200]  ? 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)
[   25.128418][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.128422][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   25.128425][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.128426][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.128429][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.128432][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.128437][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.128441][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128446][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.128450][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128454][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.128458][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.128460][  T200]  ? 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))
[   25.128464][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128465][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.128469][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.128474][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.128475][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128481][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.128484][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.128485][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128487][  T200]  ? 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)
[   25.128491][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.128493][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.128495][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.128499][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.128500][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.128502][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   25.128508][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   25.128513][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   25.128518][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.128520][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128523][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   25.128526][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   25.128529][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.128531][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128533][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128535][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.128536][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.128540][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   25.128546][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.128549][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   25.128552][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.128555][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.128557][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.128561][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.128563][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.128566][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   25.128569][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.128572][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.128575][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.128581][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.128583][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128587][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.128588][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.128590][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.128592][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.128593][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.128601][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128603][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   25.128604][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   25.128608][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.128610][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   25.128613][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128614][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.128616][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128617][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128619][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.128621][  T200]  ? __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)
[   25.128624][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.128626][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   25.128627][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.128630][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.128632][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.128636][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128639][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.128646][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   25.128649][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   25.128651][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128673][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.128675][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.128678][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.128680][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.128682][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128686][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.128688][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.128690][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   25.128692][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.128696][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   25.128698][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.128701][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.128702][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128707][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.128709][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.128712][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.128715][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.128718][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.128725][  T200]  ? 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))
[   25.128727][  T200]  ? 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))
[   25.128731][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.128735][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.128739][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.128742][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.128746][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.128748][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.128750][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.128755][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.128758][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   25.128762][  T200]  __sys_sendto (net/socket.c:2281)
[   25.128765][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   25.128775][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   25.128781][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   25.128783][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.128787][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.128789][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   25.128791][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.128793][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.128795][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.128797][  T200] RIP: 0033:0x7f9c3747454e
[   25.128801][  T200] 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
[   25.128803][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   25.128805][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   25.128807][  T200] RDX: 0000000000000030 RSI: 000056232dda6c10 RDI: 0000000000000014
[   25.128807][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   25.128808][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddc8790
[   25.128809][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   26.135716][  T200] softirqs last disabled at (3358472): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.135718][  T200] Preemption disabled at:
| [   26.135719][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.135727][  T200] Tainted: [W]=WARN
[   26.135728][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.135729][  T200] Call Trace:
[   26.135731][  T200]  <TASK>
[   26.135732][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.135738][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.135740][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.135744][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.135748][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.135752][  T200]  __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))
[   26.135754][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.135760][  T200]  ? 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)
[   26.135763][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.135767][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   26.135769][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.135770][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.135774][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.135777][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.135782][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.135786][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135791][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.135794][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135799][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.135803][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.135804][  T200]  ? 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))
[   26.135808][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135809][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.135813][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.135817][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.135819][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135825][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.135827][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.135829][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135831][  T200]  ? 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)
[   26.135835][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.135836][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.135839][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.135842][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.135844][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.135846][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.135851][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.135856][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.135861][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.135863][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135866][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   26.135869][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.135872][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.135874][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135875][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135877][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.135879][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.135882][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.135889][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.135891][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   26.135894][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.135897][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.135899][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.135903][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.135905][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.135908][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.135911][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.135914][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.135916][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.135922][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.135925][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135928][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.135929][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.135931][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.135933][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.135935][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.135940][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135942][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.135944][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   26.135947][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.135949][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.135952][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135953][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.135955][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135956][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135958][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.135960][  T200]  ? __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)
[   26.135962][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.135964][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.135966][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.135969][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.135970][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.135974][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.135977][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.135984][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.135988][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.135989][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.136017][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.136019][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.136021][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.136023][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.136025][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.136030][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.136032][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.136034][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.136036][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.136039][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.136041][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.136045][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.136046][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.136050][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.136052][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.136056][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.136059][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.136062][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.136068][  T200]  ? 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))
[   26.136070][  T200]  ? 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))
[   26.136075][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.136079][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.136082][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.136086][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.136090][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.136091][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.136094][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.136099][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.136102][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.136105][  T200]  __sys_sendto (net/socket.c:2281)
[   26.136108][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.136114][  T200]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[   26.136125][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.136127][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.136131][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.136133][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.136136][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.136137][  T200]  ? irq_exit_rcu (kernel/softirq.c:786)
[   26.136141][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.136143][  T200] RIP: 0033:0x7f9c3747454e
[   26.136147][  T200] 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
[   26.136149][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.136151][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   26.136153][  T200] RDX: 0000000000000030 RSI: 000056232dd88710 RDI: 0000000000000014
[   26.136154][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   26.136154][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddcbd80
[   26.136155][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   27.417727][  T200] softirqs last disabled at (3559080): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.417730][  T200] Preemption disabled at:
| [   27.417730][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.417739][  T200] Tainted: [W]=WARN
[   27.417740][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.417741][  T200] Call Trace:
[   27.417743][  T200]  <TASK>
[   27.417744][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.417750][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.417752][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.417756][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.417760][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.417765][  T200]  __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))
[   27.417767][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.417773][  T200]  ? 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)
[   27.417776][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.417780][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   27.417782][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.417783][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.417787][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.417789][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.417794][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.417798][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417803][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.417806][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417811][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.417815][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.417817][  T200]  ? 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))
[   27.417820][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417822][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.417826][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.417830][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.417832][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417837][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.417840][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.417842][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417843][  T200]  ? 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)
[   27.417847][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.417849][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.417851][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.417854][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.417856][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.417858][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.417863][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.417868][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.417873][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.417875][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417879][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   27.417881][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.417884][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.417886][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417888][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417890][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.417891][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.417895][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.417901][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.417904][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   27.417907][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.417910][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.417912][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.417915][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.417918][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.417920][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.417924][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.417927][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.417929][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.417935][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.417938][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417941][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.417943][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.417945][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.417947][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.417948][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.417953][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.417955][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.417956][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   27.417960][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.417962][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.417964][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417966][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.417968][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417969][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417970][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.417973][  T200]  ? __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)
[   27.417975][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.417977][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.417978][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.417980][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.417983][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.417984][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.417989][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5650 kernel/locking/lockdep.c:6003 kernel/locking/lockdep.c:5991)
[   27.417991][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.417999][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.418002][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.418003][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.418030][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.418032][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.418035][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.418037][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.418039][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.418043][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.418045][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.418047][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.418049][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.418052][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.418054][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.418057][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.418059][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.418063][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.418065][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.418069][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.418072][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.418074][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.418081][  T200]  ? 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))
[   27.418083][  T200]  ? 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))
[   27.418087][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.418091][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.418095][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.418098][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.418102][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.418104][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.418106][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.418111][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.418114][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.418117][  T200]  __sys_sendto (net/socket.c:2281)
[   27.418120][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.418131][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   27.418136][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.418138][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.418141][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.418143][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.418146][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.418147][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.418150][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.418152][  T200] RIP: 0033:0x7f9c3747454e
[   27.418156][  T200] 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
[   27.418157][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.418160][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   27.418161][  T200] RDX: 0000000000000030 RSI: 000056232dd9cfb0 RDI: 0000000000000014
[   27.418162][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   27.418163][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddb18f0
[   27.418163][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   28.672647][  T200] softirqs last disabled at (3768560): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.672649][  T200] Preemption disabled at:
| [   28.672650][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.672658][  T200] Tainted: [W]=WARN
[   28.672659][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.672661][  T200] Call Trace:
[   28.672663][  T200]  <TASK>
[   28.672664][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.672670][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.672672][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.672676][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.672680][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.672684][  T200]  __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))
[   28.672686][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.672693][  T200]  ? 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)
[   28.672695][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.672699][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   28.672702][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.672703][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.672706][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.672709][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.672714][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.672718][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672723][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.672726][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672731][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.672735][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.672737][  T200]  ? 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))
[   28.672740][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672742][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.672746][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.672750][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.672752][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672757][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.672760][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.672762][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672763][  T200]  ? 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)
[   28.672767][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.672769][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.672772][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.672775][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.672776][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.672778][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.672783][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   28.672789][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   28.672794][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.672796][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672800][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   28.672802][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   28.672805][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.672807][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672809][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672810][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.672812][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.672816][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   28.672822][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.672825][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   28.672828][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.672830][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.672833][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.672836][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.672839][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.672841][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.672845][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.672848][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.672850][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.672856][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.672859][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672862][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.672863][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.672865][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.672867][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.672869][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.672873][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672875][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   28.672877][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   28.672880][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.672882][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.672885][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672887][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.672888][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672889][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672891][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.672893][  T200]  ? __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)
[   28.672896][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.672898][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   28.672900][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.672902][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.672904][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.672907][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672911][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.672918][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   28.672921][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.672922][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672947][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.672949][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.672952][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.672954][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.672956][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672961][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.672962][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.672964][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.672966][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.672970][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   28.672972][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.672975][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.672976][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.672981][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.672983][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.672986][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.672989][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.672992][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.672999][  T200]  ? 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))
[   28.673001][  T200]  ? 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))
[   28.673005][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.673009][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.673013][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.673017][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.673026][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.673028][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.673030][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.673035][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.673038][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   28.673042][  T200]  __sys_sendto (net/socket.c:2281)
[   28.673045][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   28.673056][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   28.673062][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   28.673064][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.673067][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.673069][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   28.673071][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.673073][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.673076][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.673078][  T200] RIP: 0033:0x7f9c3747454e
[   28.673082][  T200] 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
[   28.673084][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   28.673086][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   28.673087][  T200] RDX: 0000000000000030 RSI: 000056232dc32860 RDI: 0000000000000014
[   28.673088][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   28.673089][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddd3cb0
[   28.673089][  T200] R13: 00007ffe0ada95c4 R14: 0000000000000000 R15: 0000000000000000
| [   29.675349][  T781] softirqs last disabled at (21978): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.675351][  T781] Preemption disabled at:
| [   29.675352][  T781] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.675361][  T781] Tainted: [W]=WARN
[   29.675362][  T781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.675363][  T781] Call Trace:
[   29.675365][  T781]  <TASK>
[   29.675366][  T781]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.675372][  T781]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.675374][  T781]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.675378][  T781]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.675382][  T781]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.675387][  T781]  __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))
[   29.675389][  T781]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.675396][  T781]  ? 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)
[   29.675398][  T781]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.675402][  T781]  put_chars (drivers/char/virtio_console.c:1176)
[   29.675404][  T781]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.675407][  T781]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.675410][  T781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.675412][  T781]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.675416][  T781]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.675420][  T781]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.675422][  T781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.675424][  T781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.675428][  T781]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.675430][  T781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.675434][  T781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.675438][  T781]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.675442][  T781]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.675444][  T781]  ? 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))
[   29.675447][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675449][  T781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.675453][  T781]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.675457][  T781]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.675459][  T781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.675465][  T781]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.675467][  T781]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.675469][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675471][  T781]  ? 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)
[   29.675475][  T781]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.675476][  T781]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.675479][  T781]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.675482][  T781]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.675484][  T781]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.675489][  T781]  _printk (kernel/printk/printk.c:2504)
[   29.675493][  T781]  ? snapshot_read.cold (user.c:?)
[   29.675496][  T781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.675498][  T781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.675502][  T781]  ? 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)
[   29.675505][  T781]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   29.675510][  T781]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   29.675515][  T781]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   29.675518][  T781]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   29.675524][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675526][  T781]  notifier_call_chain (kernel/notifier.c:85)
[   29.675530][  T781]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   29.675535][  T781]  ? netif_change_name (net/core/dev.c:1517)
[   29.675539][  T781]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.675543][  T781]  ? write_profile (profile.c:?)
[   29.675547][  T781]  netif_change_flags (net/core/dev.c:9882)
[   29.675551][  T781]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.675555][  T781]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.675557][  T781]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.675558][  T781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.675560][  T781]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.675563][  T781]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.675565][  T781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.675567][  T781]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.675569][  T781]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.675572][  T781]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.675573][  T781]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.675574][  T781]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.675577][  T781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.675578][  T781]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   29.675581][  T781]  ? ___sys_sendmsg (net/socket.c:2758)
[   29.675585][  T781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.675587][  T781]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.675590][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675592][  T781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.675593][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675594][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675596][  T781]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.675600][  T781]  ? __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)
[   29.675602][  T781]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.675604][  T781]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.675607][  T781]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.675611][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675613][  T781]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.675618][  T781]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.675624][  T781]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.675625][  T781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.675630][  T781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.675632][  T781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.675634][  T781]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.675635][  T781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.675639][  T781]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.675641][  T781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.675644][  T781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.675645][  T781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.675650][  T781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.675652][  T781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.675655][  T781]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.675657][  T781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.675660][  T781]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.675666][  T781]  ? 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))
[   29.675669][  T781]  ? 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))
[   29.675673][  T781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.675677][  T781]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.675679][  T781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.675683][  T781]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.675687][  T781]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.675691][  T781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.675693][  T781]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.675698][  T781]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.675701][  T781]  ____sys_sendmsg (net/socket.c:2713)
[   29.675703][  T781]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.675706][  T781]  ? sock_write_iter (net/socket.c:1269)
[   29.675707][  T781]  ? move_addr_to_kernel (net/socket.c:258)
[   29.675714][  T781]  ___sys_sendmsg (net/socket.c:2767)
[   29.675717][  T781]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.675733][  T781]  __sys_sendmsg (net/socket.c:2799)
[   29.675735][  T781]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.675741][  T781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.675744][  T781]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.675748][  T781]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.675750][  T781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.675752][  T781] RIP: 0033:0x7fd30b37454e
[   29.675756][  T781] 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
[   29.675758][  T781] RSP: 002b:00007fff24307dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.675760][  T781] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd30b37454e
[   29.675762][  T781] RDX: 0000000000000000 RSI: 00007fff24307e70 RDI: 0000000000000003
[   29.675762][  T781] RBP: 00007fff24307dd0 R08: 0000000000000000 R09: 0000000000000000
[   29.675763][  T781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917077
[   29.675764][  T781] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff24308530
| [   30.710387][  T809] softirqs last disabled at (21174): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   30.710389][  T809] Preemption disabled at:
| [   30.710389][  T809] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.710398][  T809] Tainted: [W]=WARN
[   30.710399][  T809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.710400][  T809] Call Trace:
[   30.710402][  T809]  <TASK>
[   30.710403][  T809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.710409][  T809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.710411][  T809]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.710415][  T809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.710420][  T809]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.710424][  T809]  __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))
[   30.710426][  T809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.710433][  T809]  ? 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)
[   30.710436][  T809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.710439][  T809]  put_chars (drivers/char/virtio_console.c:1176)
[   30.710442][  T809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.710444][  T809]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.710447][  T809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.710450][  T809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.710454][  T809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.710458][  T809]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.710460][  T809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.710461][  T809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.710466][  T809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.710468][  T809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.710472][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.710476][  T809]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.710480][  T809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.710482][  T809]  ? 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))
[   30.710485][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710487][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.710491][  T809]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.710495][  T809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.710497][  T809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.710502][  T809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.710505][  T809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.710507][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710509][  T809]  ? 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)
[   30.710512][  T809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.710514][  T809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.710517][  T809]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.710520][  T809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.710522][  T809]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.710527][  T809]  _printk (kernel/printk/printk.c:2504)
[   30.710531][  T809]  ? snapshot_read.cold (user.c:?)
[   30.710534][  T809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.710536][  T809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.710540][  T809]  ? 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)
[   30.710543][  T809]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   30.710548][  T809]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   30.710553][  T809]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   30.710556][  T809]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   30.710562][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710564][  T809]  notifier_call_chain (kernel/notifier.c:85)
[   30.710569][  T809]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   30.710574][  T809]  ? netif_change_name (net/core/dev.c:1517)
[   30.710577][  T809]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.710581][  T809]  ? write_profile (profile.c:?)
[   30.710586][  T809]  netif_change_flags (net/core/dev.c:9882)
[   30.710589][  T809]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.710593][  T809]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.710595][  T809]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.710596][  T809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.710600][  T809]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.710604][  T809]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.710606][  T809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.710607][  T809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.710610][  T809]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.710612][  T809]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.710613][  T809]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.710614][  T809]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.710617][  T809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.710619][  T809]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.710622][  T809]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.710625][  T809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.710627][  T809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.710630][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710631][  T809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.710633][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710634][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710636][  T809]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.710638][  T809]  ? __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)
[   30.710640][  T809]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.710642][  T809]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.710645][  T809]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.710649][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710651][  T809]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.710656][  T809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.710661][  T809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.710663][  T809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.710668][  T809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.710669][  T809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.710672][  T809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.710673][  T809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.710677][  T809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.710679][  T809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.710682][  T809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.710683][  T809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.710688][  T809]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.710690][  T809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.710693][  T809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.710695][  T809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.710698][  T809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.710704][  T809]  ? 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))
[   30.710706][  T809]  ? 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))
[   30.710710][  T809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.710714][  T809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.710717][  T809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.710721][  T809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.710725][  T809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.710729][  T809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.710730][  T809]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.710735][  T809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.710738][  T809]  ____sys_sendmsg (net/socket.c:2713)
[   30.710740][  T809]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.710743][  T809]  ? sock_write_iter (net/socket.c:1269)
[   30.710744][  T809]  ? move_addr_to_kernel (net/socket.c:258)
[   30.710751][  T809]  ___sys_sendmsg (net/socket.c:2767)
[   30.710754][  T809]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.710770][  T809]  __sys_sendmsg (net/socket.c:2799)
[   30.710772][  T809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.710779][  T809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.710781][  T809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.710785][  T809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.710787][  T809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.710789][  T809] RIP: 0033:0x7f8ac674654e
[   30.710793][  T809] 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
[   30.710795][  T809] RSP: 002b:00007ffc88935620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.710797][  T809] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8ac674654e
[   30.710799][  T809] RDX: 0000000000000000 RSI: 00007ffc889356d0 RDI: 0000000000000003
[   30.710799][  T809] RBP: 00007ffc88935630 R08: 0000000000000000 R09: 0000000000000000
[   30.710800][  T809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917078
[   30.710801][  T809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88935d90
| [   31.829113][  T837] softirqs last disabled at (12706): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   31.829115][  T837] Preemption disabled at:
| [   31.829116][  T837] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.829123][  T837] Tainted: [W]=WARN
[   31.829124][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.829126][  T837] Call Trace:
[   31.829128][  T837]  <TASK>
[   31.829129][  T837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.829135][  T837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.829137][  T837]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.829141][  T837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.829146][  T837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.829150][  T837]  __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))
[   31.829152][  T837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.829159][  T837]  ? 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)
[   31.829161][  T837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.829165][  T837]  put_chars (drivers/char/virtio_console.c:1176)
[   31.829167][  T837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.829170][  T837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.829173][  T837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.829176][  T837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.829180][  T837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.829183][  T837]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   31.829185][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.829187][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.829191][  T837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.829193][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.829197][  T837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.829201][  T837]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.829205][  T837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.829207][  T837]  ? 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))
[   31.829210][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829212][  T837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.829216][  T837]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.829220][  T837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.829222][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.829227][  T837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.829230][  T837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.829232][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829233][  T837]  ? 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)
[   31.829237][  T837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.829239][  T837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.829242][  T837]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.829245][  T837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.829247][  T837]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.829251][  T837]  _printk (kernel/printk/printk.c:2504)
[   31.829255][  T837]  ? snapshot_read.cold (user.c:?)
[   31.829258][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.829260][  T837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.829264][  T837]  ? 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)
[   31.829267][  T837]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   31.829272][  T837]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   31.829277][  T837]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   31.829281][  T837]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   31.829286][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829288][  T837]  notifier_call_chain (kernel/notifier.c:85)
[   31.829293][  T837]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   31.829298][  T837]  ? netif_change_name (net/core/dev.c:1517)
[   31.829301][  T837]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.829305][  T837]  ? write_profile (profile.c:?)
[   31.829309][  T837]  netif_change_flags (net/core/dev.c:9882)
[   31.829313][  T837]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   31.829317][  T837]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.829319][  T837]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.829320][  T837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.829322][  T837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.829325][  T837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.829327][  T837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.829329][  T837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.829331][  T837]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.829334][  T837]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.829335][  T837]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.829336][  T837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.829338][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.829340][  T837]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.829343][  T837]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.829347][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.829349][  T837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.829352][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829353][  T837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.829355][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829356][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829358][  T837]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.829361][  T837]  ? __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)
[   31.829363][  T837]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.829365][  T837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.829368][  T837]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.829372][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829374][  T837]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.829379][  T837]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.829384][  T837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.829386][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.829391][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.829392][  T837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.829394][  T837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.829396][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.829400][  T837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.829402][  T837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.829405][  T837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.829407][  T837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.829411][  T837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.829413][  T837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.829416][  T837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.829418][  T837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.829421][  T837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.829428][  T837]  ? 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))
[   31.829430][  T837]  ? 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))
[   31.829434][  T837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.829438][  T837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.829441][  T837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.829445][  T837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.829449][  T837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.829453][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.829454][  T837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.829460][  T837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.829463][  T837]  ____sys_sendmsg (net/socket.c:2713)
[   31.829465][  T837]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.829467][  T837]  ? sock_write_iter (net/socket.c:1269)
[   31.829469][  T837]  ? move_addr_to_kernel (net/socket.c:258)
[   31.829476][  T837]  ___sys_sendmsg (net/socket.c:2767)
[   31.829479][  T837]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.829494][  T837]  __sys_sendmsg (net/socket.c:2799)
[   31.829497][  T837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.829503][  T837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.829506][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.829509][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.829512][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.829514][  T837] RIP: 0033:0x7fe06e97c54e
[   31.829518][  T837] 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
[   31.829520][  T837] RSP: 002b:00007fffe840ba50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.829522][  T837] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe06e97c54e
[   31.829524][  T837] RDX: 0000000000000000 RSI: 00007fffe840bb00 RDI: 0000000000000003
[   31.829525][  T837] RBP: 00007fffe840ba60 R08: 0000000000000000 R09: 0000000000000000
[   31.829525][  T837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917079
[   31.829526][  T837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe840c1c0
| [   32.878972][  T865] softirqs last disabled at (12690): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   32.878973][  T865] Preemption disabled at:
| [   32.878974][  T865] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.878982][  T865] Tainted: [W]=WARN
[   32.878983][  T865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.878984][  T865] Call Trace:
[   32.878986][  T865]  <TASK>
[   32.878988][  T865]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.878994][  T865]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.878995][  T865]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.879000][  T865]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.879004][  T865]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.879008][  T865]  __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))
[   32.879010][  T865]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.879016][  T865]  ? 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)
[   32.879019][  T865]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.879022][  T865]  put_chars (drivers/char/virtio_console.c:1176)
[   32.879024][  T865]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.879027][  T865]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.879030][  T865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.879033][  T865]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.879037][  T865]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.879040][  T865]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.879042][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.879044][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.879048][  T865]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.879050][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.879054][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.879058][  T865]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.879065][  T865]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.879067][  T865]  ? 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))
[   32.879071][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879073][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.879076][  T865]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.879081][  T865]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.879082][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.879088][  T865]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.879090][  T865]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.879092][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879094][  T865]  ? 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)
[   32.879097][  T865]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.879099][  T865]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.879102][  T865]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.879105][  T865]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.879107][  T865]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.879111][  T865]  _printk (kernel/printk/printk.c:2504)
[   32.879115][  T865]  ? snapshot_read.cold (user.c:?)
[   32.879118][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.879120][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.879124][  T865]  ? 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)
[   32.879127][  T865]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   32.879132][  T865]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   32.879137][  T865]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   32.879140][  T865]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   32.879146][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879148][  T865]  notifier_call_chain (kernel/notifier.c:85)
[   32.879152][  T865]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   32.879157][  T865]  ? netif_change_name (net/core/dev.c:1517)
[   32.879161][  T865]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.879164][  T865]  ? write_profile (profile.c:?)
[   32.879169][  T865]  netif_change_flags (net/core/dev.c:9882)
[   32.879173][  T865]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   32.879176][  T865]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.879179][  T865]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.879180][  T865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.879182][  T865]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.879185][  T865]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.879187][  T865]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.879189][  T865]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.879191][  T865]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.879193][  T865]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.879195][  T865]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.879196][  T865]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.879198][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.879200][  T865]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   32.879203][  T865]  ? ___sys_sendmsg (net/socket.c:2758)
[   32.879207][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.879209][  T865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.879211][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879213][  T865]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.879214][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879216][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879217][  T865]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.879219][  T865]  ? __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)
[   32.879222][  T865]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.879224][  T865]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.879227][  T865]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.879230][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879233][  T865]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.879238][  T865]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.879243][  T865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.879245][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.879249][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.879251][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.879253][  T865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.879255][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.879258][  T865]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.879260][  T865]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.879263][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.879264][  T865]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.879269][  T865]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.879271][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.879274][  T865]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.879276][  T865]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.879279][  T865]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.879285][  T865]  ? 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))
[   32.879287][  T865]  ? 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))
[   32.879291][  T865]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.879295][  T865]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.879298][  T865]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.879302][  T865]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.879306][  T865]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.879310][  T865]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.879311][  T865]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   32.879317][  T865]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.879319][  T865]  ____sys_sendmsg (net/socket.c:2713)
[   32.879321][  T865]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.879324][  T865]  ? sock_write_iter (net/socket.c:1269)
[   32.879325][  T865]  ? move_addr_to_kernel (net/socket.c:258)
[   32.879333][  T865]  ___sys_sendmsg (net/socket.c:2767)
[   32.879335][  T865]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.879351][  T865]  __sys_sendmsg (net/socket.c:2799)
[   32.879354][  T865]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.879360][  T865]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.879363][  T865]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.879366][  T865]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.879368][  T865]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.879371][  T865] RIP: 0033:0x7ff45a7e554e
[   32.879374][  T865] 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
[   32.879376][  T865] RSP: 002b:00007ffc7cafd280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.879379][  T865] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff45a7e554e
[   32.879380][  T865] RDX: 0000000000000000 RSI: 00007ffc7cafd330 RDI: 0000000000000003
[   32.879381][  T865] RBP: 00007ffc7cafd290 R08: 0000000000000000 R09: 0000000000000000
[   32.879382][  T865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91707a
[   32.879382][  T865] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7cafd9f0
| [   34.663104][  T200] softirqs last disabled at (4954558): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.663107][  T200] Preemption disabled at:
| [   34.663107][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.663115][  T200] Tainted: [W]=WARN
[   34.663116][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.663118][  T200] Call Trace:
[   34.663119][  T200]  <TASK>
[   34.663120][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.663126][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.663128][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.663132][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.663137][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.663141][  T200]  __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))
[   34.663143][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.663149][  T200]  ? 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)
[   34.663152][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.663156][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   34.663158][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.663160][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.663163][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.663166][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.663171][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.663174][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663180][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.663183][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663187][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.663191][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.663193][  T200]  ? 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))
[   34.663197][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663198][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.663202][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.663207][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.663209][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663214][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.663217][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.663218][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663220][  T200]  ? 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)
[   34.663224][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.663226][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.663228][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.663232][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.663233][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.663235][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.663240][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   34.663245][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   34.663250][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.663252][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663256][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   34.663258][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   34.663261][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.663263][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663265][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663267][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.663268][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.663272][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   34.663278][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.663281][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   34.663283][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.663286][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.663289][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.663292][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.663295][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.663297][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.663301][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.663303][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.663306][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.663312][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.663315][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663318][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.663319][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.663321][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.663323][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.663324][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.663329][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663331][  T200]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.663332][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   34.663336][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.663338][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.663340][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663342][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.663343][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663345][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663346][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.663348][  T200]  ? __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)
[   34.663351][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.663353][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.663355][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.663357][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.663359][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.663362][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663365][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.663373][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   34.663376][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.663377][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663400][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.663402][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.663405][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.663407][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.663409][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663413][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.663415][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.663417][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.663419][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.663422][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.663424][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.663428][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.663429][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663433][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.663435][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.663439][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.663442][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.663445][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.663451][  T200]  ? 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))
[   34.663453][  T200]  ? 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))
[   34.663458][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.663462][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.663464][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.663467][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.663470][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.663474][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.663476][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.663479][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.663484][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.663486][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   34.663490][  T200]  __sys_sendto (net/socket.c:2281)
[   34.663493][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   34.663504][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   34.663510][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   34.663512][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.663515][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.663517][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   34.663519][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.663521][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.663524][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.663526][  T200] RIP: 0033:0x7f9c3747454e
[   34.663529][  T200] 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
[   34.663531][  T200] RSP: 002b:00007ffe0ada9480 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.663534][  T200] RAX: ffffffffffffffda RBX: 000056232ddf0ec0 RCX: 00007f9c3747454e
[   34.663535][  T200] RDX: 0000000000000030 RSI: 000056232dda4800 RDI: 0000000000000014
[   34.663536][  T200] RBP: 00007ffe0ada9490 R08: 00007ffe0ada94e0 R09: 0000000000000080
[   34.663537][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 000056232ddf44b0


Finger prints:
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