======================================
| [   10.569305][  T200] softirqs last disabled at (238270): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.569308][  T200] Preemption disabled at:
| [   10.569308][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.569317][  T200] Tainted: [W]=WARN
[   10.569318][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.569319][  T200] Call Trace:
[   10.569321][  T200]  <TASK>
[   10.569322][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.569328][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.569330][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.569334][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.569338][  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)
[   10.569343][  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))
[   10.569345][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.569351][  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)
[   10.569354][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.569358][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   10.569360][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.569363][  T200]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.569368][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.569372][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569377][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.569380][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569385][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.569389][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.569391][  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))
[   10.569394][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569396][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.569400][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.569404][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.569406][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569411][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.569414][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.569416][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569417][  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)
[   10.569421][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.569423][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.569425][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.569428][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.569429][  T200]  ? __kernel_text_address (kernel/extable.c:79)
[   10.569432][  T200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.569436][  T200]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.569442][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.569446][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.569454][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   10.569457][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.569461][  T200]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.569466][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.569472][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.569474][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   10.569477][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.569480][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.569483][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.569486][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.569488][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.569493][  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))
[   10.569496][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.569499][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.569502][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.569508][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.569510][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569513][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.569515][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.569517][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.569519][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.569521][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.569526][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569528][  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))
[   10.569529][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.569533][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.569535][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.569537][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569539][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.569541][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569542][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569543][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.569546][  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)
[   10.569549][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.569551][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.569552][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.569555][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.569556][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.569560][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569564][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.569571][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.569574][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.569575][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569597][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.569599][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.569602][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.569604][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.569606][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569610][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.569612][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.569614][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.569616][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.569620][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.569622][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.569625][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.569626][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569630][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.569632][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.569636][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.569639][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.569642][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.569648][  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))
[   10.569650][  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))
[   10.569655][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.569659][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.569662][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.569666][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.569670][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.569671][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.569674][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.569679][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.569682][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.569685][  T200]  __sys_sendto (net/socket.c:2281)
[   10.569688][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.569699][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.569704][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.569706][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.569710][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.569711][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.569714][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.569716][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.569718][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.569720][  T200] RIP: 0033:0x7f2c5955054e
[   10.569724][  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
[   10.569726][  T200] RSP: 002b:00007fff3fd03bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.569728][  T200] RAX: ffffffffffffffda RBX: 0000556bea905a00 RCX: 00007f2c5955054e
[   10.569729][  T200] RDX: 0000000000000030 RSI: 0000556beaaba5b0 RDI: 000000000000001a
[   10.569730][  T200] RBP: 00007fff3fd03c00 R08: 00007fff3fd03c50 R09: 0000000000000080
[   10.569731][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556beaabc8c0
[   10.569731][  T200] R13: 00007fff3fd03d34 R14: 0000000000000000 R15: 0000000000000000
| [   11.579886][  T222] softirqs last disabled at (11202): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   11.579888][  T222] Preemption disabled at:
| [   11.579889][  T222] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.579897][  T222] Tainted: [W]=WARN
[   11.579898][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.579900][  T222] Call Trace:
[   11.579901][  T222]  <TASK>
[   11.579903][  T222]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.579909][  T222]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.579910][  T222]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.579915][  T222]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.579919][  T222]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.579923][  T222]  __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))
[   11.579925][  T222]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.579932][  T222]  ? 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)
[   11.579934][  T222]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.579938][  T222]  put_chars (drivers/char/virtio_console.c:1176)
[   11.579940][  T222]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.579943][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.579946][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.579948][  T222]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.579952][  T222]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.579956][  T222]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.579958][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.579960][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.579964][  T222]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.579966][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.579970][  T222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.579974][  T222]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.579978][  T222]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.579980][  T222]  ? 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))
[   11.579983][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.579985][  T222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.579989][  T222]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.579993][  T222]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.579995][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.580000][  T222]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.580003][  T222]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.580004][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580006][  T222]  ? 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)
[   11.580010][  T222]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.580012][  T222]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.580014][  T222]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.580017][  T222]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.580019][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.580024][  T222]  _printk (kernel/printk/printk.c:2504)
[   11.580028][  T222]  ? snapshot_read.cold (user.c:?)
[   11.580031][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.580033][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.580036][  T222]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   11.580040][  T222]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   11.580044][  T222]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   11.580049][  T222]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   11.580056][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580057][  T222]  notifier_call_chain (kernel/notifier.c:85)
[   11.580062][  T222]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   11.580067][  T222]  ? netif_change_name (net/core/dev.c:1517)
[   11.580070][  T222]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.580074][  T222]  ? write_profile (profile.c:?)
[   11.580079][  T222]  netif_change_flags (net/core/dev.c:9882)
[   11.580083][  T222]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.580086][  T222]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.580088][  T222]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.580089][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.580091][  T222]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.580095][  T222]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.580096][  T222]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.580098][  T222]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.580101][  T222]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.580103][  T222]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.580104][  T222]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.580105][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.580108][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.580109][  T222]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.580112][  T222]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.580116][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.580118][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.580120][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580122][  T222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.580124][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580125][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580126][  T222]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.580129][  T222]  ? __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)
[   11.580131][  T222]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.580133][  T222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.580136][  T222]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.580140][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580142][  T222]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.580147][  T222]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.580153][  T222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.580154][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.580159][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.580161][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.580163][  T222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.580164][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.580168][  T222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.580170][  T222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.580173][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.580175][  T222]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.580179][  T222]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.580181][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.580184][  T222]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.580187][  T222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.580190][  T222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.580197][  T222]  ? 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))
[   11.580199][  T222]  ? 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))
[   11.580203][  T222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.580207][  T222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.580210][  T222]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.580214][  T222]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.580218][  T222]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.580222][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.580223][  T222]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.580229][  T222]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.580231][  T222]  ____sys_sendmsg (net/socket.c:2713)
[   11.580233][  T222]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.580236][  T222]  ? sock_write_iter (net/socket.c:1269)
[   11.580237][  T222]  ? move_addr_to_kernel (net/socket.c:258)
[   11.580245][  T222]  ___sys_sendmsg (net/socket.c:2767)
[   11.580247][  T222]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.580263][  T222]  __sys_sendmsg (net/socket.c:2799)
[   11.580266][  T222]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.580272][  T222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.580275][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.580278][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.580281][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.580283][  T222] RIP: 0033:0x7f919ce9d54e
[   11.580291][  T222] 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
[   11.580293][  T222] RSP: 002b:00007ffe23a982b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.580295][  T222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f919ce9d54e
[   11.580297][  T222] RDX: 0000000000000000 RSI: 00007ffe23a98360 RDI: 0000000000000003
[   11.580298][  T222] RBP: 00007ffe23a982c0 R08: 0000000000000000 R09: 0000000000000000
[   11.580298][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911ebb
[   11.580299][  T222] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe23a98a20
| [   12.582591][  T259] softirqs last disabled at (17130): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   12.582593][  T259] Preemption disabled at:
| [   12.582593][  T259] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.582601][  T259] Tainted: [W]=WARN
[   12.582602][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.582604][  T259] Call Trace:
[   12.582605][  T259]  <TASK>
[   12.582607][  T259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.582613][  T259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.582615][  T259]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.582619][  T259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.582623][  T259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.582627][  T259]  __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))
[   12.582629][  T259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.582636][  T259]  ? 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)
[   12.582639][  T259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.582642][  T259]  put_chars (drivers/char/virtio_console.c:1176)
[   12.582645][  T259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.582647][  T259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.582650][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.582653][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.582657][  T259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.582661][  T259]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.582663][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582664][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582668][  T259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.582670][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.582674][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.582678][  T259]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.582682][  T259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.582684][  T259]  ? 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))
[   12.582687][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582689][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.582693][  T259]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.582697][  T259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.582699][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582704][  T259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.582707][  T259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.582709][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582711][  T259]  ? 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)
[   12.582714][  T259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.582716][  T259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.582719][  T259]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.582722][  T259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.582724][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582728][  T259]  _printk (kernel/printk/printk.c:2504)
[   12.582732][  T259]  ? snapshot_read.cold (user.c:?)
[   12.582735][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.582737][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.582741][  T259]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   12.582744][  T259]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   12.582749][  T259]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   12.582753][  T259]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   12.582760][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582762][  T259]  notifier_call_chain (kernel/notifier.c:85)
[   12.582766][  T259]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   12.582771][  T259]  ? netif_change_name (net/core/dev.c:1517)
[   12.582775][  T259]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.582778][  T259]  ? write_profile (profile.c:?)
[   12.582783][  T259]  netif_change_flags (net/core/dev.c:9882)
[   12.582787][  T259]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   12.582791][  T259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.582793][  T259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.582794][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.582796][  T259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.582799][  T259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.582801][  T259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.582803][  T259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.582805][  T259]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.582808][  T259]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.582809][  T259]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.582810][  T259]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.582812][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582814][  T259]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.582817][  T259]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.582821][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.582822][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.582825][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582827][  T259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.582828][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582829][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582831][  T259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.582833][  T259]  ? __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)
[   12.582835][  T259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.582837][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.582841][  T259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.582844][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582846][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.582851][  T259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.582857][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.582859][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582863][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.582865][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.582867][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.582869][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.582873][  T259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.582875][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.582878][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.582879][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.582883][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.582885][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.582889][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.582892][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.582895][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.582901][  T259]  ? 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))
[   12.582903][  T259]  ? 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))
[   12.582908][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.582912][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.582914][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.582918][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.582922][  T259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.582926][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.582928][  T259]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.582933][  T259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.582936][  T259]  ____sys_sendmsg (net/socket.c:2713)
[   12.582938][  T259]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.582940][  T259]  ? sock_write_iter (net/socket.c:1269)
[   12.582942][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   12.582949][  T259]  ___sys_sendmsg (net/socket.c:2767)
[   12.582952][  T259]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.582967][  T259]  __sys_sendmsg (net/socket.c:2799)
[   12.582970][  T259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.582976][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.582979][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.582982][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.582985][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.582987][  T259] RIP: 0033:0x7f34c3f1954e
[   12.582991][  T259] 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
[   12.582993][  T259] RSP: 002b:00007ffd0f8c26e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.582995][  T259] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f34c3f1954e
[   12.582997][  T259] RDX: 0000000000000000 RSI: 00007ffd0f8c2790 RDI: 0000000000000003
[   12.582998][  T259] RBP: 00007ffd0f8c26f0 R08: 0000000000000000 R09: 0000000000000000
[   12.582998][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911ebc
[   12.582999][  T259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0f8c2e50
| [   13.635951][  T261] softirqs last disabled at (17416): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   13.635953][  T261] Preemption disabled at:
| [   13.635954][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.635963][  T261] Tainted: [W]=WARN
[   13.635963][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.635965][  T261] Call Trace:
[   13.635967][  T261]  <TASK>
[   13.635968][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.635974][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.635976][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.635980][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.635984][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.635989][  T261]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.635991][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.635997][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.636000][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.636003][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   13.636006][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.636008][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.636011][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.636014][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.636018][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.636022][  T261]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.636024][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636025][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636029][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.636031][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.636037][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.636041][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.636045][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.636047][  T261]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.636050][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636052][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.636056][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.636060][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.636062][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636067][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.636070][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.636072][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636073][  T261]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.636077][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.636079][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.636081][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.636084][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.636086][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636091][  T261]  _printk (kernel/printk/printk.c:2504)
[   13.636094][  T261]  ? snapshot_read.cold (user.c:?)
[   13.636098][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.636100][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.636103][  T261]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   13.636107][  T261]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   13.636111][  T261]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   13.636116][  T261]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.636123][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636125][  T261]  notifier_call_chain (kernel/notifier.c:85)
[   13.636129][  T261]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   13.636134][  T261]  ? netif_change_name (net/core/dev.c:1517)
[   13.636138][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.636141][  T261]  ? write_profile (profile.c:?)
[   13.636146][  T261]  netif_change_flags (net/core/dev.c:9882)
[   13.636150][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.636153][  T261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.636155][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.636156][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.636158][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.636162][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.636163][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.636165][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.636168][  T261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.636170][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.636171][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.636172][  T261]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.636174][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636176][  T261]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.636179][  T261]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.636183][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.636185][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.636187][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636189][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.636191][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636192][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636193][  T261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.636195][  T261]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.636198][  T261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.636200][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.636203][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.636206][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636209][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.636214][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.636219][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.636221][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636225][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.636227][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.636229][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.636231][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.636235][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.636237][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.636240][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.636241][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.636245][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.636247][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.636251][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.636254][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.636257][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.636263][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.636265][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.636269][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.636273][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.636276][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.636280][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.636284][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.636287][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.636289][  T261]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.636294][  T261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.636300][  T261]  ____sys_sendmsg (net/socket.c:2713)
[   13.636302][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.636305][  T261]  ? sock_write_iter (net/socket.c:1269)
[   13.636306][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   13.636314][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   13.636316][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.636332][  T261]  __sys_sendmsg (net/socket.c:2799)
[   13.636335][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.636341][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.636344][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.636347][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.636350][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.636352][  T261] RIP: 0033:0x7fc1e41b654e
[   13.636355][  T261] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.636357][  T261] RSP: 002b:00007ffdc86831e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.636360][  T261] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc1e41b654e
[   13.636361][  T261] RDX: 0000000000000000 RSI: 00007ffdc8683290 RDI: 0000000000000003
[   13.636362][  T261] RBP: 00007ffdc86831f0 R08: 0000000000000000 R09: 0000000000000000
[   13.636363][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911ebe
[   13.636363][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc8683950
| [   14.785385][  T200] softirqs last disabled at (882058): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.785387][  T200] Preemption disabled at:
| [   14.785388][  T200] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.785396][  T200] Tainted: [W]=WARN
[   14.785397][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.785399][  T200] Call Trace:
[   14.785400][  T200]  <TASK>
[   14.785402][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.785408][  T200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.785410][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.785414][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.785419][  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)
[   14.785423][  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))
[   14.785425][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.785431][  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)
[   14.785434][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.785438][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   14.785440][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.785441][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.785445][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.785448][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.785452][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.785457][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785462][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.785465][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785470][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.785474][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.785475][  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))
[   14.785479][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785480][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.785484][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.785492][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.785494][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785499][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.785502][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.785504][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785506][  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)
[   14.785509][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.785511][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.785514][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.785517][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.785518][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.785520][  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))
[   14.785525][  T200]  dev_vprintk_emit (drivers/base/core.c:5000)
[   14.785531][  T200]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   14.785536][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.785538][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785541][  T200]  dev_printk_emit (drivers/base/core.c:5011)
[   14.785544][  T200]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   14.785546][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.785549][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785550][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785552][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.785554][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.785557][  T200]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   14.785563][  T200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.785566][  T200]  ? netdev_notice (net/core/dev.c:13194)
[   14.785569][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.785572][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.785574][  T200]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.785578][  T200]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.785580][  T200]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.785582][  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))
[   14.785586][  T200]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.785588][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.785591][  T200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.785597][  T200]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.785599][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785602][  T200]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.785604][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.785605][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.785607][  T200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.785609][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.785613][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785615][  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))
[   14.785617][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   14.785620][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.785622][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.785625][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785626][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.785628][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785629][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785631][  T200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.785633][  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)
[   14.785635][  T200]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.785637][  T200]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   14.785639][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.785642][  T200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.785643][  T200]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.785647][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785650][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.785657][  T200]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   14.785660][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.785661][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785683][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.785685][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.785688][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.785690][  T200]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.785692][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785696][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.785698][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.785700][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.785702][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.785705][  T200]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   14.785707][  T200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.785710][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.785712][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785716][  T200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.785718][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.785721][  T200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.785724][  T200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.785727][  T200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.785733][  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))
[   14.785736][  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))
[   14.785740][  T200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.785744][  T200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.785747][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.785751][  T200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.785755][  T200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.785756][  T200]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.785759][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.785764][  T200]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.785766][  T200]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   14.785770][  T200]  __sys_sendto (net/socket.c:2281)
[   14.785773][  T200]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   14.785786][  T200]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   14.785789][  T200]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.785792][  T200]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.785795][  T200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   14.785797][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.785799][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.785802][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.785804][  T200] RIP: 0033:0x7f2c5955054e
[   14.785807][  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
[   14.785809][  T200] RSP: 002b:00007fff3fd03bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   14.785812][  T200] RAX: ffffffffffffffda RBX: 0000556bea905a00 RCX: 00007f2c5955054e
[   14.785813][  T200] RDX: 0000000000000030 RSI: 0000556beaacf490 RDI: 000000000000001a
[   14.785814][  T200] RBP: 00007fff3fd03c00 R08: 00007fff3fd03c50 R09: 0000000000000080
[   14.785815][  T200] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556beaad0d50


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