======================================
| [   12.395953][  T205] softirqs last disabled at (206534): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.395955][  T205] Preemption disabled at:
| [   12.395956][  T205] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.395965][  T205] Tainted: [W]=WARN
[   12.395966][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.395967][  T205] Call Trace:
[   12.395969][  T205]  <TASK>
[   12.395971][  T205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.395977][  T205]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.395978][  T205]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.395983][  T205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.395987][  T205]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.395992][  T205]  __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))
[   12.395994][  T205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.396001][  T205]  ? 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)
[   12.396004][  T205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.396008][  T205]  put_chars (drivers/char/virtio_console.c:1176)
[   12.396010][  T205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.396013][  T205]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.396019][  T205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.396023][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396028][  T205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.396032][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396037][  T205]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.396041][  T205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.396043][  T205]  ? 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))
[   12.396047][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396049][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.396053][  T205]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.396057][  T205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.396059][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396065][  T205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.396068][  T205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.396070][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396071][  T205]  ? 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)
[   12.396075][  T205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.396077][  T205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.396080][  T205]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.396083][  T205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.396084][  T205]  ? __kernel_text_address (kernel/extable.c:79)
[   12.396087][  T205]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.396091][  T205]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   12.396097][  T205]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.396102][  T205]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.396111][  T205]  dev_printk_emit (drivers/base/core.c:5011)
[   12.396114][  T205]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.396118][  T205]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   12.396123][  T205]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.396129][  T205]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.396132][  T205]  ? netdev_notice (net/core/dev.c:13194)
[   12.396135][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.396138][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.396141][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.396145][  T205]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.396147][  T205]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.396150][  T205]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.396153][  T205]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.396156][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.396159][  T205]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.396165][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.396167][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396171][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.396172][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.396174][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.396176][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.396179][  T205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.396183][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396185][  T205]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.396187][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.396191][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.396193][  T205]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.396196][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396198][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.396199][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396200][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396202][  T205]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.396205][  T205]  ? __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)
[   12.396207][  T205]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.396209][  T205]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.396211][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.396214][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.396215][  T205]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.396220][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396223][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.396231][  T205]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.396234][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.396235][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396260][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.396262][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.396265][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.396267][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.396269][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396274][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.396276][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.396278][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.396279][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.396284][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.396286][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.396289][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.396290][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396295][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.396297][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.396301][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.396304][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.396307][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.396314][  T205]  ? 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))
[   12.396316][  T205]  ? 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))
[   12.396321][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.396325][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.396329][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.396333][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.396337][  T205]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.396339][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.396341][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.396347][  T205]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.396349][  T205]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.396353][  T205]  __sys_sendto (net/socket.c:2281)
[   12.396356][  T205]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.396371][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.396376][  T205]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.396379][  T205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.396382][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.396384][  T205]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.396387][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.396388][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.396391][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.396393][  T205] RIP: 0033:0x7f9c52bc554e
[   12.396397][  T205] 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
[   12.396399][  T205] RSP: 002b:00007ffe62c75d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.396402][  T205] RAX: ffffffffffffffda RBX: 000055c5353eb540 RCX: 00007f9c52bc554e
[   12.396403][  T205] RDX: 0000000000000030 RSI: 000055c5354276e0 RDI: 0000000000000024
[   12.396404][  T205] RBP: 00007ffe62c75d10 R08: 00007ffe62c75d60 R09: 0000000000000080
[   12.396405][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000055c535429790
[   12.396406][  T205] R13: 00007ffe62c75e44 R14: 0000000000000000 R15: 0000000000000000
| [   13.545204][  T220] softirqs last disabled at (11786): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.545206][  T220] Preemption disabled at:
| [   13.545207][  T220] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.545216][  T220] Tainted: [W]=WARN
[   13.545216][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.545218][  T220] Call Trace:
[   13.545219][  T220]  <TASK>
[   13.545221][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.545228][  T220]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.545229][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.545234][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.545238][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.545243][  T220]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.545245][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.545252][  T220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.545255][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.545259][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   13.545262][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.545265][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.545268][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.545271][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.545275][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.545279][  T220]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.545281][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.545283][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.545288][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.545290][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.545295][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.545300][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.545304][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.545306][  T220]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.545309][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545311][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.545316][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.545320][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.545322][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.545328][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.545331][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.545333][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545335][  T220]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.545339][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.545340][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.545344][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.545347][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.545349][  T220]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.545354][  T220]  _printk (kernel/printk/printk.c:2504)
[   13.545358][  T220]  ? snapshot_read.cold (user.c:?)
[   13.545361][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.545363][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.545370][  T220]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   13.545374][  T220]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   13.545380][  T220]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   13.545385][  T220]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   13.545389][  T220]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   13.545395][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545397][  T220]  notifier_call_chain (kernel/notifier.c:85)
[   13.545402][  T220]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   13.545408][  T220]  ? netif_change_name (net/core/dev.c:1517)
[   13.545412][  T220]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.545415][  T220]  ? write_profile (profile.c:?)
[   13.545421][  T220]  netif_change_flags (net/core/dev.c:9882)
[   13.545425][  T220]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   13.545429][  T220]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.545431][  T220]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.545433][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.545435][  T220]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.545438][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.545440][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.545442][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.545445][  T220]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.545447][  T220]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.545448][  T220]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.545450][  T220]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.545452][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.545454][  T220]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.545457][  T220]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.545461][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.545463][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.545466][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545468][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.545470][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545471][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545473][  T220]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.545475][  T220]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.545478][  T220]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.545480][  T220]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.545483][  T220]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.545487][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545489][  T220]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.545495][  T220]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.545500][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.545502][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.545507][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.545509][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.545511][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.545513][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.545517][  T220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.545519][  T220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.545522][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.545524][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.545528][  T220]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.545530][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.545534][  T220]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.545536][  T220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.545539][  T220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.545546][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.545548][  T220]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.545553][  T220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.545557][  T220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.545559][  T220]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.545564][  T220]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.545568][  T220]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.545572][  T220]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.545574][  T220]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.545580][  T220]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.545583][  T220]  ____sys_sendmsg (net/socket.c:2713)
[   13.545585][  T220]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.545588][  T220]  ? sock_write_iter (net/socket.c:1269)
[   13.545589][  T220]  ? move_addr_to_kernel (net/socket.c:258)
[   13.545597][  T220]  ___sys_sendmsg (net/socket.c:2767)
[   13.545600][  T220]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.545622][  T220]  __sys_sendmsg (net/socket.c:2799)
[   13.545625][  T220]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.545633][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.545636][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.545639][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.545642][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.545644][  T220] RIP: 0033:0x7fde4de2e54e
[   13.545648][  T220] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.545650][  T220] RSP: 002b:00007ffd7201ef50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.545653][  T220] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde4de2e54e
[   13.545654][  T220] RDX: 0000000000000000 RSI: 00007ffd7201f000 RDI: 0000000000000003
[   13.545655][  T220] RBP: 00007ffd7201ef60 R08: 0000000000000000 R09: 0000000000000000
[   13.545656][  T220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b409
[   13.545657][  T220] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7201f6c0
| [   14.775706][  T255] softirqs last disabled at (15168): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.775709][  T255] Preemption disabled at:
| [   14.775710][  T255] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.775721][  T255] Tainted: [W]=WARN
[   14.775722][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.775724][  T255] Call Trace:
[   14.775726][  T255]  <TASK>
[   14.775728][  T255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.775736][  T255]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.775738][  T255]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.775744][  T255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.775750][  T255]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.775756][  T255]  __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))
[   14.775759][  T255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.775769][  T255]  ? 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)
[   14.775772][  T255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.775777][  T255]  put_chars (drivers/char/virtio_console.c:1176)
[   14.775782][  T255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.775786][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.775790][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.775794][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.775801][  T255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.775806][  T255]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.775809][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.775811][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.775818][  T255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.775821][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.775829][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.775835][  T255]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.775842][  T255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.775844][  T255]  ? 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))
[   14.775850][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.775853][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.775859][  T255]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.775866][  T255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.775869][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.775878][  T255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.775883][  T255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.775885][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.775888][  T255]  ? 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)
[   14.775895][  T255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.775897][  T255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.775902][  T255]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.775908][  T255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.775912][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.775919][  T255]  _printk (kernel/printk/printk.c:2504)
[   14.775924][  T255]  ? snapshot_read.cold (user.c:?)
[   14.775930][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.775933][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.775939][  T255]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   14.775944][  T255]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   14.775951][  T255]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   14.775958][  T255]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   14.775963][  T255]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   14.775972][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.775975][  T255]  notifier_call_chain (kernel/notifier.c:85)
[   14.775983][  T255]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   14.775991][  T255]  ? netif_change_name (net/core/dev.c:1517)
[   14.775997][  T255]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.776003][  T255]  ? write_profile (profile.c:?)
[   14.776010][  T255]  netif_change_flags (net/core/dev.c:9882)
[   14.776017][  T255]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   14.776023][  T255]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.776026][  T255]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.776028][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.776031][  T255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.776036][  T255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.776039][  T255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.776042][  T255]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.776046][  T255]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.776049][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.776051][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.776053][  T255]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.776057][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.776060][  T255]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.776064][  T255]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.776070][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.776073][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.776078][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.776081][  T255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.776083][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.776085][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.776088][  T255]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.776092][  T255]  ? __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)
[   14.776095][  T255]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.776098][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.776104][  T255]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.776110][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.776114][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.776123][  T255]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.776133][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.776136][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.776143][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.776146][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.776150][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.776153][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.776159][  T255]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.776163][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.776168][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.776170][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.776178][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.776181][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.776187][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.776190][  T255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.776195][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.776206][  T255]  ? 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))
[   14.776208][  T255]  ? 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))
[   14.776216][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.776223][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.776227][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.776234][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.776241][  T255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.776247][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.776249][  T255]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.776257][  T255]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.776262][  T255]  ____sys_sendmsg (net/socket.c:2713)
[   14.776265][  T255]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.776269][  T255]  ? sock_write_iter (net/socket.c:1269)
[   14.776271][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   14.776284][  T255]  ___sys_sendmsg (net/socket.c:2767)
[   14.776289][  T255]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.776318][  T255]  __sys_sendmsg (net/socket.c:2799)
[   14.776323][  T255]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.776334][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.776339][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.776343][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.776347][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.776350][  T255] RIP: 0033:0x7f67f255754e
[   14.776355][  T255] 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
[   14.776358][  T255] RSP: 002b:00007fff28ec4090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.776361][  T255] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f67f255754e
[   14.776363][  T255] RDX: 0000000000000000 RSI: 00007fff28ec4140 RDI: 0000000000000003
[   14.776365][  T255] RBP: 00007fff28ec40a0 R08: 0000000000000000 R09: 0000000000000000
[   14.776368][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b40a
[   14.776370][  T255] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff28ec4800
| [   16.010133][  T262] softirqs last disabled at (22034): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   16.010135][  T262] Preemption disabled at:
| [   16.010136][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.010145][  T262] Tainted: [W]=WARN
[   16.010146][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.010148][  T262] Call Trace:
[   16.010149][  T262]  <TASK>
[   16.010151][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.010157][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.010158][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.010163][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.010167][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.010172][  T262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.010174][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.010180][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.010183][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.010187][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   16.010190][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.010192][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.010196][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.010198][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.010203][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.010207][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.010209][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010211][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010215][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.010217][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.010222][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.010226][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.010230][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.010232][  T262]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.010236][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010238][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.010242][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.010246][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.010248][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010254][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.010257][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.010259][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010261][  T262]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   16.010265][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.010266][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.010269][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.010273][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.010275][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010280][  T262]  _printk (kernel/printk/printk.c:2504)
[   16.010284][  T262]  ? snapshot_read.cold (user.c:?)
[   16.010287][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.010289][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.010293][  T262]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   16.010297][  T262]  vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1))
[   16.010302][  T262]  ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261)
[   16.010307][  T262]  ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110)
[   16.010314][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010316][  T262]  notifier_call_chain (kernel/notifier.c:85)
[   16.010321][  T262]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[   16.010326][  T262]  ? netif_change_name (net/core/dev.c:1517)
[   16.010330][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.010334][  T262]  ? write_profile (profile.c:?)
[   16.010339][  T262]  netif_change_flags (net/core/dev.c:9882)
[   16.010343][  T262]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.010347][  T262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.010350][  T262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.010351][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.010353][  T262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.010357][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.010359][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.010361][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.010363][  T262]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.010365][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.010369][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.010371][  T262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   16.010373][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010375][  T262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   16.010378][  T262]  ? ___sys_sendmsg (net/socket.c:2758)
[   16.010382][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.010384][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.010387][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010389][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.010390][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010392][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010393][  T262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.010396][  T262]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.010398][  T262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.010400][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.010404][  T262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.010408][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010410][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.010416][  T262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.010421][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.010424][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010428][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.010430][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.010432][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.010434][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.010438][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.010440][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.010443][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.010445][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.010449][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.010451][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.010455][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.010458][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.010461][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.010468][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.010470][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.010475][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.010479][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.010481][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.010486][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.010490][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.010494][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.010496][  T262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.010501][  T262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.010504][  T262]  ____sys_sendmsg (net/socket.c:2713)
[   16.010506][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.010509][  T262]  ? sock_write_iter (net/socket.c:1269)
[   16.010510][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   16.010518][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   16.010521][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.010537][  T262]  __sys_sendmsg (net/socket.c:2799)
[   16.010540][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.010547][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.010550][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.010553][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.010556][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.010558][  T262] RIP: 0033:0x7f2fe0b3754e
[   16.010563][  T262] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.010564][  T262] RSP: 002b:00007ffd9e5c7180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.010567][  T262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2fe0b3754e
[   16.010568][  T262] RDX: 0000000000000000 RSI: 00007ffd9e5c7230 RDI: 0000000000000003
[   16.010569][  T262] RBP: 00007ffd9e5c7190 R08: 0000000000000000 R09: 0000000000000000
[   16.010570][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b40c
[   16.010571][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9e5c78f0
| [   17.056232][  T205] softirqs last disabled at (792172): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   17.056235][  T205] Preemption disabled at:
| [   17.056236][  T205] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.056244][  T205] Tainted: [W]=WARN
[   17.056245][  T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.056247][  T205] Call Trace:
[   17.056248][  T205]  <TASK>
[   17.056250][  T205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.056256][  T205]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.056257][  T205]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.056262][  T205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.056266][  T205]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.056271][  T205]  __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))
[   17.056273][  T205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.056280][  T205]  ? 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)
[   17.056283][  T205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.056286][  T205]  put_chars (drivers/char/virtio_console.c:1176)
[   17.056289][  T205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.056291][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.056294][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.056298][  T205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.056303][  T205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.056307][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056313][  T205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.056316][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056321][  T205]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.056326][  T205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.056328][  T205]  ? 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))
[   17.056331][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056333][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.056338][  T205]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.056342][  T205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.056344][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056350][  T205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.056353][  T205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.056355][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056357][  T205]  ? 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)
[   17.056361][  T205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.056363][  T205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.056370][  T205]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.056373][  T205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.056375][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.056377][  T205]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.056383][  T205]  dev_vprintk_emit (drivers/base/core.c:5000)
[   17.056389][  T205]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   17.056394][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.056397][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056400][  T205]  dev_printk_emit (drivers/base/core.c:5011)
[   17.056403][  T205]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   17.056406][  T205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.056409][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056411][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056413][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.056414][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.056418][  T205]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   17.056425][  T205]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   17.056428][  T205]  ? netdev_notice (net/core/dev.c:13194)
[   17.056431][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.056434][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.056436][  T205]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.056440][  T205]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.056443][  T205]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   17.056446][  T205]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.056449][  T205]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   17.056452][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.056455][  T205]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   17.056462][  T205]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   17.056465][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056468][  T205]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.056469][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.056471][  T205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.056473][  T205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.056475][  T205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.056480][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056482][  T205]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   17.056484][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   17.056488][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.056490][  T205]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.056493][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056495][  T205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.056496][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056498][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056499][  T205]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.056502][  T205]  ? __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)
[   17.056505][  T205]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.056507][  T205]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   17.056509][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.056512][  T205]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.056513][  T205]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.056517][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056521][  T205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.056529][  T205]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   17.056532][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.056533][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056558][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.056560][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.056563][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.056565][  T205]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.056568][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056572][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.056575][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.056577][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.056579][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.056583][  T205]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   17.056585][  T205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.056588][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.056590][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056594][  T205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.056597][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.056600][  T205]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.056604][  T205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.056607][  T205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.056614][  T205]  ? 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))
[   17.056624][  T205]  ? 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))
[   17.056629][  T205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.056633][  T205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.056637][  T205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.056641][  T205]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.056645][  T205]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.056647][  T205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.056650][  T205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.056655][  T205]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   17.056658][  T205]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   17.056662][  T205]  __sys_sendto (net/socket.c:2281)
[   17.056665][  T205]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   17.056677][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   17.056683][  T205]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   17.056685][  T205]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.056689][  T205]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.056690][  T205]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   17.056693][  T205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.056695][  T205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.056698][  T205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.056700][  T205] RIP: 0033:0x7f9c52bc554e
[   17.056704][  T205] 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
[   17.056706][  T205] RSP: 002b:00007ffe62c75d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   17.056709][  T205] RAX: ffffffffffffffda RBX: 000055c5353eb540 RCX: 00007f9c52bc554e
[   17.056710][  T205] RDX: 0000000000000030 RSI: 000055c535438b10 RDI: 0000000000000024
[   17.056711][  T205] RBP: 00007ffe62c75d10 R08: 00007ffe62c75d60 R09: 0000000000000080
[   17.056712][  T205] R10: 0000000000000000 R11: 0000000000000202 R12: 000055c53543ac90


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