======================================
| [    9.941157][   T82] softirqs last disabled at (372436): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.941159][   T82] Preemption disabled at:
| [    9.941160][   T82] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.941169][   T82] Tainted: [W]=WARN
[    9.941170][   T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.941172][   T82] Call Trace:
[    9.941174][   T82]  <TASK>
[    9.941175][   T82]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.941181][   T82]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.941183][   T82]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.941188][   T82]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.941192][   T82]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.941197][   T82]  __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))
[    9.941199][   T82]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.941205][   T82]  ? 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)
[    9.941207][   T82]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.941211][   T82]  put_chars (drivers/char/virtio_console.c:1176)
[    9.941214][   T82]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.941217][   T82]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.941222][   T82]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.941225][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941230][   T82]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.941233][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.941239][   T82]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.941243][   T82]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.941247][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.941249][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.941253][   T82]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.941257][   T82]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.941259][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941264][   T82]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.941267][   T82]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.941269][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.941271][   T82]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.941274][   T82]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.941276][   T82]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.941279][   T82]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.941283][   T82]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.941285][   T82]  ? write_profile (profile.c:?)
[    9.941288][   T82]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.941295][   T82]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.941300][   T82]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.941305][   T82]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.941311][   T82]  dev_printk_emit (drivers/base/core.c:5011)
[    9.941314][   T82]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.941318][   T82]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[    9.941323][   T82]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.941328][   T82]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.941331][   T82]  ? netdev_notice (net/core/dev.c:13194)
[    9.941333][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.941337][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.941340][   T82]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.941343][   T82]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.941346][   T82]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.941349][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941350][   T82]  ? 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)
[    9.941353][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.941356][   T82]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.941358][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.941362][   T82]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.941368][   T82]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.941371][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941373][   T82]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.941375][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.941376][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.941379][   T82]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.941382][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.941386][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941397][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.941398][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.941401][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.941404][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.941405][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.941407][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.941409][   T82]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.941412][   T82]  ? __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)
[    9.941415][   T82]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.941416][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941418][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.941420][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.941423][   T82]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.941425][   T82]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.941431][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.941434][   T82]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.941443][   T82]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.941446][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.941448][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941472][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.941474][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.941477][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.941479][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.941481][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941485][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.941487][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.941489][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.941491][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.941495][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.941497][   T82]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.941501][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.941503][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941507][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.941509][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.941513][   T82]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.941516][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.941519][   T82]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.941526][   T82]  ? 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))
[    9.941528][   T82]  ? 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))
[    9.941533][   T82]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.941538][   T82]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.941540][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.941542][   T82]  ? 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)
[    9.941546][   T82]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.941551][   T82]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.941554][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.941558][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.941562][   T82]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.941565][   T82]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.941576][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[    9.941582][   T82]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.941584][   T82]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.941588][   T82]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.941590][   T82]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.941592][   T82]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.941593][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.941596][   T82]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.941599][   T82] RIP: 0033:0x7fa80066254e
[    9.941603][   T82] 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
[    9.941605][   T82] RSP: 002b:00007ffce5d1c5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.941608][   T82] RAX: ffffffffffffffda RBX: 000055d93e4f1f40 RCX: 00007fa80066254e
[    9.941609][   T82] RDX: 0000000000000030 RSI: 000055d93e4f3ad0 RDI: 0000000000000014
[    9.941610][   T82] RBP: 00007ffce5d1c5c0 R08: 00007ffce5d1c610 R09: 0000000000000080
[    9.941611][   T82] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d93e645b00
[    9.941611][   T82] R13: 00007ffce5d1c6f4 R14: 0000000000000000 R15: 0000000000000000
| [   12.132864][   T82] softirqs last disabled at (603806): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.132867][   T82] Preemption disabled at:
| [   12.132867][   T82] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.132877][   T82] Tainted: [W]=WARN
[   12.132877][   T82] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.132879][   T82] Call Trace:
[   12.132881][   T82]  <TASK>
[   12.132883][   T82]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.132888][   T82]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.132890][   T82]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.132895][   T82]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.132899][   T82]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.132904][   T82]  __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))
[   12.132906][   T82]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.132912][   T82]  ? 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)
[   12.132914][   T82]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.132917][   T82]  put_chars (drivers/char/virtio_console.c:1176)
[   12.132920][   T82]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.132922][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.132926][   T82]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.132929][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.132934][   T82]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.132936][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132941][   T82]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.132944][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132949][   T82]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.132953][   T82]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.132958][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132960][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.132964][   T82]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.132968][   T82]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.132970][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132975][   T82]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.132978][   T82]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.132980][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.132982][   T82]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.132986][   T82]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.132987][   T82]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.132990][   T82]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.132994][   T82]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.132997][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.132998][   T82]  ? 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)
[   12.133004][   T82]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.133010][   T82]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.133016][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.133020][   T82]  dev_printk_emit (drivers/base/core.c:5011)
[   12.133023][   T82]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.133025][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.133028][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.133030][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133031][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133033][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.133035][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.133039][   T82]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.133044][   T82]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.133047][   T82]  ? netdev_notice (net/core/dev.c:13194)
[   12.133049][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.133053][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.133055][   T82]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.133059][   T82]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.133061][   T82]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.133065][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133066][   T82]  ? 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)
[   12.133069][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   12.133072][   T82]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.133074][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.133078][   T82]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.133084][   T82]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.133087][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133090][   T82]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.133091][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.133093][   T82]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.133095][   T82]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.133097][   T82]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.133101][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133106][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.133107][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.133110][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.133113][   T82]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.133114][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.133116][   T82]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.133118][   T82]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.133121][   T82]  ? __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)
[   12.133124][   T82]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.133125][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133127][   T82]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.133130][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.133132][   T82]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.133134][   T82]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.133140][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.133143][   T82]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.133152][   T82]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.133155][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.133157][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133181][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.133183][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.133186][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.133188][   T82]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.133190][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133194][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.133196][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.133199][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.133201][   T82]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.133204][   T82]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.133207][   T82]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.133211][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.133212][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133217][   T82]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.133218][   T82]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.133223][   T82]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.133226][   T82]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.133230][   T82]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.133237][   T82]  ? 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))
[   12.133239][   T82]  ? 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))
[   12.133244][   T82]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.133248][   T82]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.133251][   T82]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.133256][   T82]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.133260][   T82]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.133264][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.133268][   T82]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.133271][   T82]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   12.133275][   T82]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.133290][   T82]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.133292][   T82]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.133296][   T82]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.133299][   T82]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.133301][   T82]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.133302][   T82]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.133305][   T82]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.133307][   T82] RIP: 0033:0x7fa80066254e
[   12.133311][   T82] 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
[   12.133313][   T82] RSP: 002b:00007ffce5d1c5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.133316][   T82] RAX: ffffffffffffffda RBX: 000055d93e4f1f40 RCX: 00007fa80066254e
[   12.133317][   T82] RDX: 0000000000000030 RSI: 000055d93e4ea230 RDI: 0000000000000014
[   12.133318][   T82] RBP: 00007ffce5d1c5c0 R08: 00007ffce5d1c610 R09: 0000000000000080
[   12.133319][   T82] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d93e648340


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