======================================
| [    8.803615][   T87] softirqs last disabled at (382998): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.803617][   T87] Preemption disabled at:
| [    8.803618][   T87] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.803627][   T87] Tainted: [W]=WARN
[    8.803628][   T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.803630][   T87] Call Trace:
[    8.803632][   T87]  <TASK>
[    8.803633][   T87]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.803638][   T87]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.803640][   T87]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.803645][   T87]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.803649][   T87]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.803654][   T87]  __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))
[    8.803656][   T87]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.803661][   T87]  ? 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)
[    8.803664][   T87]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.803667][   T87]  put_chars (drivers/char/virtio_console.c:1176)
[    8.803670][   T87]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.803673][   T87]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.803678][   T87]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.803680][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803685][   T87]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.803688][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.803694][   T87]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.803697][   T87]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.803702][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.803704][   T87]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.803707][   T87]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.803711][   T87]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.803713][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803718][   T87]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.803720][   T87]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.803722][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.803724][   T87]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.803728][   T87]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.803729][   T87]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.803732][   T87]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.803735][   T87]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.803738][   T87]  ? write_profile (profile.c:?)
[    8.803741][   T87]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    8.803747][   T87]  dev_vprintk_emit (drivers/base/core.c:5000)
[    8.803752][   T87]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    8.803757][   T87]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    8.803762][   T87]  dev_printk_emit (drivers/base/core.c:5011)
[    8.803765][   T87]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    8.803769][   T87]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    8.803774][   T87]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    8.803779][   T87]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.803781][   T87]  ? netdev_notice (net/core/dev.c:13194)
[    8.803783][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803787][   T87]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.803789][   T87]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.803793][   T87]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.803795][   T87]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.803798][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803799][   T87]  ? 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)
[    8.803802][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    8.803805][   T87]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.803807][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803810][   T87]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.803816][   T87]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.803820][   T87]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.803822][   T87]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.803825][   T87]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.803827][   T87]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.803829][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803833][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803835][   T87]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[    8.803839][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.803840][   T87]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    8.803843][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.803845][   T87]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.803847][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.803848][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.803850][   T87]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.803853][   T87]  ? __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)
[    8.803856][   T87]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.803858][   T87]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    8.803861][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803863][   T87]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.803865][   T87]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.803870][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803872][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.803875][   T87]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    8.803884][   T87]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    8.803887][   T87]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.803888][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803911][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.803913][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803916][   T87]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.803918][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    8.803919][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803924][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.803925][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803928][   T87]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.803930][   T87]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.803933][   T87]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    8.803936][   T87]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.803939][   T87]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.803941][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803945][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.803946][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.803950][   T87]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.803954][   T87]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.803957][   T87]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.803963][   T87]  ? 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))
[    8.803965][   T87]  ? 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))
[    8.803970][   T87]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.803974][   T87]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.803977][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.803981][   T87]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.803985][   T87]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.803989][   T87]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.803993][   T87]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.803996][   T87]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    8.804000][   T87]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    8.804010][   T87]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    8.804016][   T87]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    8.804018][   T87]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    8.804022][   T87]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    8.804024][   T87]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    8.804025][   T87]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.804027][   T87]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.804029][   T87]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.804031][   T87] RIP: 0033:0x7f4dc08f754e
[    8.804035][   T87] 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
[    8.804037][   T87] RSP: 002b:00007ffe1c50ef00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    8.804040][   T87] RAX: ffffffffffffffda RBX: 0000556b3a342f50 RCX: 00007f4dc08f754e
[    8.804041][   T87] RDX: 0000000000000030 RSI: 0000556b3a498ac0 RDI: 000000000000001c
[    8.804042][   T87] RBP: 00007ffe1c50ef10 R08: 00007ffe1c50ef60 R09: 0000000000000080
[    8.804043][   T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556b3a49e930
[    8.804044][   T87] R13: 00007ffe1c50f044 R14: 0000000000000000 R15: 0000000000000000
| [   10.542656][   T87] softirqs last disabled at (660434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.542659][   T87] Preemption disabled at:
| [   10.542659][   T87] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.542668][   T87] Tainted: [W]=WARN
[   10.542669][   T87] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.542670][   T87] Call Trace:
[   10.542672][   T87]  <TASK>
[   10.542673][   T87]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.542678][   T87]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.542680][   T87]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.542685][   T87]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.542688][   T87]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.542693][   T87]  __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))
[   10.542695][   T87]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.542700][   T87]  ? 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)
[   10.542703][   T87]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.542706][   T87]  put_chars (drivers/char/virtio_console.c:1176)
[   10.542708][   T87]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.542709][   T87]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.542714][   T87]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.542716][   T87]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.542721][   T87]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.542723][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542728][   T87]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.542730][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.542735][   T87]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.542739][   T87]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.542743][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.542745][   T87]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.542748][   T87]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.542752][   T87]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.542754][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542758][   T87]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.542761][   T87]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.542763][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.542765][   T87]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.542768][   T87]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.542769][   T87]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.542772][   T87]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.542776][   T87]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.542778][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542779][   T87]  ? 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)
[   10.542785][   T87]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.542790][   T87]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.542795][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.542799][   T87]  dev_printk_emit (drivers/base/core.c:5011)
[   10.542801][   T87]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.542803][   T87]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.542806][   T87]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.542807][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542809][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542810][   T87]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.542812][   T87]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.542816][   T87]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.542821][   T87]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.542823][   T87]  ? netdev_notice (net/core/dev.c:13194)
[   10.542826][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.542829][   T87]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.542831][   T87]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.542834][   T87]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.542837][   T87]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.542840][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542841][   T87]  ? 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)
[   10.542843][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   10.542846][   T87]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.542849][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.542852][   T87]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.542857][   T87]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.542860][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542863][   T87]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.542864][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.542865][   T87]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.542868][   T87]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.542869][   T87]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.542873][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542878][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.542879][   T87]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.542882][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.542884][   T87]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.542886][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.542887][   T87]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.542889][   T87]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.542892][   T87]  ? __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)
[   10.542895][   T87]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.542896][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542898][   T87]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.542900][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.542902][   T87]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.542904][   T87]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.542910][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.542913][   T87]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.542921][   T87]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.542924][   T87]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.542926][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542947][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.542949][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.542952][   T87]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.542954][   T87]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.542955][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542959][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.542961][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.542963][   T87]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.542965][   T87]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.542969][   T87]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.542971][   T87]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.542974][   T87]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.542976][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.542980][   T87]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.542982][   T87]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.542985][   T87]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.542989][   T87]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.542992][   T87]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.542998][   T87]  ? 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))
[   10.543000][   T87]  ? 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))
[   10.543004][   T87]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.543008][   T87]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.543011][   T87]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.543015][   T87]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.543019][   T87]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.543023][   T87]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.543026][   T87]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.543029][   T87]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   10.543033][   T87]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.543046][   T87]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.543048][   T87]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.543051][   T87]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.543054][   T87]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.543056][   T87]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.543057][   T87]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.543060][   T87]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.543062][   T87] RIP: 0033:0x7f4dc08f754e
[   10.543066][   T87] 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
[   10.543067][   T87] RSP: 002b:00007ffe1c50ef00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.543070][   T87] RAX: ffffffffffffffda RBX: 0000556b3a342f50 RCX: 00007f4dc08f754e
[   10.543071][   T87] RDX: 0000000000000030 RSI: 0000556b3a4a0700 RDI: 000000000000001c
[   10.543072][   T87] RBP: 00007ffe1c50ef10 R08: 00007ffe1c50ef60 R09: 0000000000000080
[   10.543073][   T87] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556b3a4a2060


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