======================================
| [    8.731400][   T84] softirqs last disabled at (390032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.731402][   T84] Preemption disabled at:
| [    8.731402][   T84] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.731411][   T84] Tainted: [W]=WARN
[    8.731412][   T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.731414][   T84] Call Trace:
[    8.731415][   T84]  <TASK>
[    8.731417][   T84]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.731422][   T84]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.731424][   T84]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.731428][   T84]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.731432][   T84]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.731437][   T84]  __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))
[    8.731439][   T84]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.731444][   T84]  ? 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)
[    8.731447][   T84]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.731450][   T84]  put_chars (drivers/char/virtio_console.c:1176)
[    8.731453][   T84]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.731456][   T84]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.731460][   T84]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.731463][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731468][   T84]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.731470][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.731476][   T84]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.731480][   T84]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.731484][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.731486][   T84]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.731490][   T84]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.731494][   T84]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.731495][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731500][   T84]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.731503][   T84]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.731504][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.731506][   T84]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.731510][   T84]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.731511][   T84]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.731514][   T84]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.731517][   T84]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.731520][   T84]  ? write_profile (profile.c:?)
[    8.731522][   T84]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.731529][   T84]  dev_vprintk_emit (drivers/base/core.c:5000)
[    8.731534][   T84]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    8.731538][   T84]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    8.731544][   T84]  dev_printk_emit (drivers/base/core.c:5011)
[    8.731547][   T84]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    8.731551][   T84]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    8.731556][   T84]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    8.731561][   T84]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.731563][   T84]  ? netdev_notice (net/core/dev.c:13194)
[    8.731565][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.731569][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.731571][   T84]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.731574][   T84]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.731577][   T84]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.731580][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731581][   T84]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[    8.731584][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    8.731587][   T84]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.731589][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.731592][   T84]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.731598][   T84]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.731601][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731603][   T84]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.731605][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.731606][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.731609][   T84]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.731611][   T84]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.731615][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731619][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.731621][   T84]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    8.731623][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.731626][   T84]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.731627][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.731628][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.731630][   T84]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.731633][   T84]  ? __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)
[    8.731636][   T84]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.731637][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731639][   T84]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    8.731641][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.731644][   T84]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.731645][   T84]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.731651][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.731654][   T84]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.731662][   T84]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    8.731665][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.731667][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731690][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.731691][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.731694][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.731696][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.731698][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731702][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.731704][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.731706][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.731708][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.731711][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.731714][   T84]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.731717][   T84]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.731719][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731723][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.731724][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.731728][   T84]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.731732][   T84]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.731735][   T84]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.731741][   T84]  ? 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))
[    8.731743][   T84]  ? 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))
[    8.731748][   T84]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.731752][   T84]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.731755][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.731759][   T84]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.731763][   T84]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.731767][   T84]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.731770][   T84]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.731773][   T84]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    8.731777][   T84]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    8.731787][   T84]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    8.731793][   T84]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    8.731795][   T84]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.731799][   T84]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.731800][   T84]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    8.731802][   T84]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.731803][   T84]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.731808][   T84]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.731811][   T84] RIP: 0033:0x7f7ef809a54e
[    8.731814][   T84] 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
[    8.731816][   T84] RSP: 002b:00007ffd3261c400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.731819][   T84] RAX: ffffffffffffffda RBX: 000055cfb0571f60 RCX: 00007f7ef809a54e
[    8.731820][   T84] RDX: 0000000000000030 RSI: 000055cfb06c7e20 RDI: 0000000000000018
[    8.731821][   T84] RBP: 00007ffd3261c410 R08: 00007ffd3261c460 R09: 0000000000000080
[    8.731821][   T84] R10: 0000000000000000 R11: 0000000000000202 R12: 000055cfb06c9180
[    8.731822][   T84] R13: 00007ffd3261c544 R14: 0000000000000000 R15: 0000000000000000
| [   10.446592][   T84] softirqs last disabled at (646380): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.446594][   T84] Preemption disabled at:
| [   10.446595][   T84] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.446603][   T84] Tainted: [W]=WARN
[   10.446604][   T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.446606][   T84] Call Trace:
[   10.446608][   T84]  <TASK>
[   10.446609][   T84]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.446615][   T84]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.446617][   T84]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.446621][   T84]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.446625][   T84]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.446630][   T84]  __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))
[   10.446632][   T84]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.446638][   T84]  ? 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)
[   10.446641][   T84]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.446644][   T84]  put_chars (drivers/char/virtio_console.c:1176)
[   10.446646][   T84]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.446648][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.446652][   T84]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.446655][   T84]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.446659][   T84]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.446662][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446667][   T84]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.446669][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.446674][   T84]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.446678][   T84]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.446682][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.446684][   T84]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.446688][   T84]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.446692][   T84]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.446693][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446699][   T84]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.446701][   T84]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.446703][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.446705][   T84]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.446708][   T84]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.446710][   T84]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.446713][   T84]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.446716][   T84]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.446718][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446720][   T84]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   10.446725][   T84]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.446730][   T84]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.446736][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.446740][   T84]  dev_printk_emit (drivers/base/core.c:5011)
[   10.446742][   T84]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.446744][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.446747][   T84]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.446749][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446750][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446751][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.446753][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.446757][   T84]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.446763][   T84]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.446765][   T84]  ? netdev_notice (net/core/dev.c:13194)
[   10.446767][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.446770][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.446773][   T84]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.446776][   T84]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.446778][   T84]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.446781][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446783][   T84]  ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898)
[   10.446785][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   10.446788][   T84]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.446790][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.446793][   T84]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.446799][   T84]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.446802][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446807][   T84]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.446809][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.446810][   T84]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.446812][   T84]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.446814][   T84]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.446818][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446822][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.446824][   T84]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.446827][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.446829][   T84]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.446830][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.446832][   T84]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.446834][   T84]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.446836][   T84]  ? __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)
[   10.446839][   T84]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.446840][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446842][   T84]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.446845][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.446847][   T84]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.446849][   T84]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.446855][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.446858][   T84]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.446865][   T84]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.446869][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.446870][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446893][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.446895][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.446898][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.446899][   T84]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.446901][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446905][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.446907][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.446909][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.446911][   T84]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.446915][   T84]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.446917][   T84]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.446920][   T84]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.446922][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446926][   T84]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.446928][   T84]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.446932][   T84]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.446935][   T84]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.446938][   T84]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.446945][   T84]  ? 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))
[   10.446947][   T84]  ? 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))
[   10.446951][   T84]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.446955][   T84]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.446958][   T84]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.446962][   T84]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.446966][   T84]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.446970][   T84]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.446974][   T84]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.446977][   T84]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   10.446981][   T84]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.446998][   T84]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.447000][   T84]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.447004][   T84]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.447007][   T84]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.447008][   T84]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.447010][   T84]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.447012][   T84]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.447015][   T84] RIP: 0033:0x7f7ef809a54e
[   10.447018][   T84] 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
[   10.447020][   T84] RSP: 002b:00007ffd3261c400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.447023][   T84] RAX: ffffffffffffffda RBX: 000055cfb0571f60 RCX: 00007f7ef809a54e
[   10.447024][   T84] RDX: 0000000000000030 RSI: 000055cfb06c42c0 RDI: 0000000000000018
[   10.447025][   T84] RBP: 00007ffd3261c410 R08: 00007ffd3261c460 R09: 0000000000000080
[   10.447026][   T84] R10: 0000000000000000 R11: 0000000000000202 R12: 000055cfb06cc1d0


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