======================================
| [    9.173310][   T86] softirqs last disabled at (460062): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.173312][   T86] Preemption disabled at:
| [    9.173313][   T86] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.173322][   T86] Tainted: [W]=WARN
[    9.173323][   T86] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.173324][   T86] Call Trace:
[    9.173326][   T86]  <TASK>
[    9.173327][   T86]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.173332][   T86]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.173334][   T86]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.173338][   T86]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.173342][   T86]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.173346][   T86]  __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))
[    9.173348][   T86]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.173354][   T86]  ? 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)
[    9.173356][   T86]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.173359][   T86]  put_chars (drivers/char/virtio_console.c:1176)
[    9.173362][   T86]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.173365][   T86]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.173369][   T86]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.173372][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173377][   T86]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.173379][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.173385][   T86]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.173389][   T86]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.173393][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.173395][   T86]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.173398][   T86]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.173402][   T86]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.173404][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173409][   T86]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.173411][   T86]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.173412][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.173414][   T86]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.173418][   T86]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.173419][   T86]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.173422][   T86]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.173425][   T86]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.173427][   T86]  ? write_profile (profile.c:?)
[    9.173430][   T86]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.173437][   T86]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.173441][   T86]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.173446][   T86]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.173451][   T86]  dev_printk_emit (drivers/base/core.c:5011)
[    9.173454][   T86]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.173457][   T86]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.173462][   T86]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.173471][   T86]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.173474][   T86]  ? netdev_notice (net/core/dev.c:13194)
[    9.173476][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.173480][   T86]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.173482][   T86]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.173485][   T86]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.173487][   T86]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.173490][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173492][   T86]  ? 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)
[    9.173494][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.173497][   T86]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.173499][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.173502][   T86]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.173508][   T86]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.173510][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173513][   T86]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.173515][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.173516][   T86]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.173518][   T86]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.173520][   T86]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.173525][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173529][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.173530][   T86]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.173533][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.173535][   T86]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.173536][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.173538][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.173540][   T86]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.173542][   T86]  ? __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)
[    9.173545][   T86]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.173546][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173548][   T86]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.173550][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.173552][   T86]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.173554][   T86]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.173560][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.173563][   T86]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.173571][   T86]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.173574][   T86]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.173575][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173598][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.173599][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.173602][   T86]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.173604][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.173605][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173610][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.173611][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.173613][   T86]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.173615][   T86]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.173619][   T86]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.173621][   T86]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.173624][   T86]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.173626][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173630][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.173631][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.173635][   T86]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.173638][   T86]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.173642][   T86]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.173648][   T86]  ? 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))
[    9.173650][   T86]  ? 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))
[    9.173654][   T86]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.173658][   T86]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.173661][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.173663][   T86]  ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123)
[    9.173666][   T86]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.173670][   T86]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.173674][   T86]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.173677][   T86]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.173681][   T86]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.173684][   T86]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.173694][   T86]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.173700][   T86]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.173702][   T86]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.173706][   T86]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.173707][   T86]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.173709][   T86]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.173710][   T86]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.173713][   T86]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.173715][   T86] RIP: 0033:0x7f3616e5e54e
[    9.173719][   T86] 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
[    9.173720][   T86] RSP: 002b:00007ffe207b2720 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.173723][   T86] RAX: ffffffffffffffda RBX: 000055651bec7fb0 RCX: 00007f3616e5e54e
[    9.173724][   T86] RDX: 0000000000000030 RSI: 000055651c0301a0 RDI: 000000000000001c
[    9.173725][   T86] RBP: 00007ffe207b2730 R08: 00007ffe207b2780 R09: 0000000000000080
[    9.173726][   T86] R10: 0000000000000000 R11: 0000000000000202 R12: 000055651c02f940
[    9.173727][   T86] R13: 00007ffe207b2864 R14: 0000000000000000 R15: 0000000000000000
| [   11.045179][   T86] softirqs last disabled at (696060): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.045181][   T86] Preemption disabled at:
| [   11.045182][   T86] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.045191][   T86] Tainted: [W]=WARN
[   11.045192][   T86] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.045193][   T86] Call Trace:
[   11.045195][   T86]  <TASK>
[   11.045197][   T86]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.045202][   T86]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.045204][   T86]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.045208][   T86]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.045212][   T86]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.045217][   T86]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.045219][   T86]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.045224][   T86]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.045226][   T86]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.045229][   T86]  put_chars (drivers/char/virtio_console.c:1176)
[   11.045231][   T86]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.045233][   T86]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.045237][   T86]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.045239][   T86]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.045244][   T86]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.045246][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045251][   T86]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.045253][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.045258][   T86]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.045262][   T86]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.045266][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.045268][   T86]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.045272][   T86]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.045275][   T86]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.045277][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045284][   T86]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.045287][   T86]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.045288][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.045290][   T86]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.045293][   T86]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.045295][   T86]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.045298][   T86]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.045301][   T86]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.045304][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045305][   T86]  ? 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)
[   11.045310][   T86]  dev_vprintk_emit (drivers/base/core.c:5000)
[   11.045316][   T86]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   11.045321][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.045325][   T86]  dev_printk_emit (drivers/base/core.c:5011)
[   11.045327][   T86]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   11.045329][   T86]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.045332][   T86]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.045334][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045335][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045336][   T86]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.045338][   T86]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.045342][   T86]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   11.045347][   T86]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.045350][   T86]  ? netdev_notice (net/core/dev.c:13194)
[   11.045352][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.045355][   T86]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.045357][   T86]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.045360][   T86]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.045363][   T86]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.045366][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045368][   T86]  ? 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)
[   11.045369][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   11.045373][   T86]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.045375][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.045378][   T86]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.045383][   T86]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.045387][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045389][   T86]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.045391][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.045392][   T86]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.045394][   T86]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.045396][   T86]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.045400][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045404][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.045406][   T86]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.045409][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.045411][   T86]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.045412][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.045413][   T86]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.045415][   T86]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.045418][   T86]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.045421][   T86]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.045422][   T86]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.045424][   T86]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   11.045427][   T86]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.045429][   T86]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.045435][   T86]  ? remove_and_enqueue_same_base (kernel/time/hrtimer.c:1273)
[   11.045440][   T86]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.045447][   T86]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   11.045451][   T86]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.045452][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045479][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.045481][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.045484][   T86]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.045485][   T86]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.045487][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045491][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.045493][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.045495][   T86]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.045497][   T86]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.045500][   T86]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   11.045503][   T86]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.045506][   T86]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.045508][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045512][   T86]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.045513][   T86]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.045517][   T86]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.045520][   T86]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.045523][   T86]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.045530][   T86]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.045532][   T86]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.045536][   T86]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.045540][   T86]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.045543][   T86]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.045547][   T86]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.045551][   T86]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.045555][   T86]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.045558][   T86]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.045561][   T86]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   11.045565][   T86]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   11.045575][   T86]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   11.045581][   T86]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   11.045582][   T86]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.045586][   T86]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.045588][   T86]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   11.045589][   T86]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.045590][   T86]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.045593][   T86]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.045595][   T86] RIP: 0033:0x7f3616e5e54e
[   11.045599][   T86] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.045601][   T86] RSP: 002b:00007ffe207b2720 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   11.045603][   T86] RAX: ffffffffffffffda RBX: 000055651bec7fb0 RCX: 00007f3616e5e54e
[   11.045605][   T86] RDX: 0000000000000030 RSI: 000055651c02c8a0 RDI: 000000000000001c
[   11.045606][   T86] RBP: 00007ffe207b2730 R08: 00007ffe207b2780 R09: 0000000000000080
[   11.045606][   T86] R10: 0000000000000000 R11: 0000000000000202 R12: 000055651c032f40


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