======================================
| [    9.198917][   T88] softirqs last disabled at (580762): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.198919][   T88] Preemption disabled at:
| [    9.198920][   T88] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.198928][   T88] Tainted: [W]=WARN
[    9.198929][   T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.198931][   T88] Call Trace:
[    9.198933][   T88]  <TASK>
[    9.198934][   T88]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.198939][   T88]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.198940][   T88]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.198945][   T88]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.198948][   T88]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.198953][   T88]  __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))
[    9.198956][   T88]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.198961][   T88]  ? 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)
[    9.198964][   T88]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.198968][   T88]  put_chars (drivers/char/virtio_console.c:1176)
[    9.198971][   T88]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.198972][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.198976][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.198981][   T88]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.198988][   T88]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.198990][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.198992][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.198996][   T88]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.198999][   T88]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.199000][   T88]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.199003][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.199005][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.199009][   T88]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.199012][   T88]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.199013][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199018][   T88]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.199021][   T88]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.199022][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.199024][   T88]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.199027][   T88]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.199029][   T88]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.199032][   T88]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.199035][   T88]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.199037][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199039][   T88]  ? 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)
[    9.199043][   T88]  dev_vprintk_emit (drivers/base/core.c:5000)
[    9.199047][   T88]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[    9.199053][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.199056][   T88]  dev_printk_emit (drivers/base/core.c:5011)
[    9.199059][   T88]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[    9.199062][   T88]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[    9.199066][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.199067][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.199071][   T88]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[    9.199077][   T88]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.199080][   T88]  ? netdev_notice (net/core/dev.c:13194)
[    9.199083][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.199086][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.199089][   T88]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.199092][   T88]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.199095][   T88]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.199097][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199099][   T88]  ? 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)
[    9.199101][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[    9.199104][   T88]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.199106][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.199108][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.199111][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199112][   T88]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.199117][   T88]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.199121][   T88]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.199123][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.199125][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.199127][   T88]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.199130][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.199134][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199138][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.199140][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.199143][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.199145][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.199147][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.199148][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.199150][   T88]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.199152][   T88]  ? __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)
[    9.199156][   T88]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.199157][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199159][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[    9.199162][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.199165][   T88]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.199166][   T88]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.199172][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.199175][   T88]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[    9.199182][   T88]  rtnl_setlink (net/core/rtnetlink.c:3596)
[    9.199185][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.199189][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199210][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.199212][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.199215][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.199217][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[    9.199219][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199223][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.199225][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.199227][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.199230][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.199233][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[    9.199236][   T88]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.199239][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.199241][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199245][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.199247][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.199251][   T88]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.199253][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.199257][   T88]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.199262][   T88]  ? 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))
[    9.199265][   T88]  ? 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))
[    9.199270][   T88]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.199273][   T88]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.199275][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.199279][   T88]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.199283][   T88]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.199286][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.199289][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.199293][   T88]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[    9.199297][   T88]  ? __ia32_sys_getpeername (net/socket.c:2235)
[    9.199310][   T88]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[    9.199312][   T88]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[    9.199315][   T88]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.199318][   T88]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[    9.199319][   T88]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.199321][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.199324][   T88]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.199326][   T88] RIP: 0033:0x7fd3e4ed454e
[    9.199329][   T88] 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
[    9.199331][   T88] RSP: 002b:00007fff71479370 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[    9.199333][   T88] RAX: ffffffffffffffda RBX: 000055ffcd1e3f50 RCX: 00007fd3e4ed454e
[    9.199335][   T88] RDX: 000000000000002c RSI: 000055ffcd346c40 RDI: 0000000000000022
[    9.199336][   T88] RBP: 00007fff71479380 R08: 00007fff714793d0 R09: 0000000000000080
[    9.199336][   T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ffcd349000
[    9.199337][   T88] R13: 00007fff714794b4 R14: 0000000000000000 R15: 0000000000000000
| [   10.705294][   T88] softirqs last disabled at (806888): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.705297][   T88] Preemption disabled at:
| [   10.705297][   T88] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.705306][   T88] Tainted: [W]=WARN
[   10.705307][   T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.705308][   T88] Call Trace:
[   10.705310][   T88]  <TASK>
[   10.705311][   T88]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.705316][   T88]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.705318][   T88]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.705322][   T88]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.705326][   T88]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.705331][   T88]  __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))
[   10.705333][   T88]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.705339][   T88]  ? 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)
[   10.705342][   T88]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.705345][   T88]  put_chars (drivers/char/virtio_console.c:1176)
[   10.705348][   T88]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.705350][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705354][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.705360][   T88]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.705366][   T88]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.705368][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705371][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.705375][   T88]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.705378][   T88]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.705379][   T88]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.705382][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705384][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.705388][   T88]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.705391][   T88]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.705393][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705398][   T88]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.705400][   T88]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.705401][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705403][   T88]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.705407][   T88]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.705409][   T88]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.705412][   T88]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.705415][   T88]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.705417][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705419][   T88]  ? 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)
[   10.705423][   T88]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.705428][   T88]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.705434][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705438][   T88]  dev_printk_emit (drivers/base/core.c:5011)
[   10.705440][   T88]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.705444][   T88]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.705447][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705449][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705452][   T88]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.705459][   T88]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.705462][   T88]  ? netdev_notice (net/core/dev.c:13194)
[   10.705465][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.705468][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.705470][   T88]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.705474][   T88]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.705476][   T88]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.705479][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705481][   T88]  ? 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)
[   10.705483][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   10.705486][   T88]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.705488][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705490][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.705493][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705495][   T88]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.705500][   T88]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.705503][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705505][   T88]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.705507][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.705509][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705511][   T88]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.705514][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.705516][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705519][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705524][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705526][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.705529][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705531][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.705533][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705534][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705536][   T88]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.705538][   T88]  ? __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)
[   10.705542][   T88]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.705543][   T88]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[   10.705547][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.705549][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705552][   T88]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.705554][   T88]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.705558][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.705562][   T88]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.705570][   T88]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.705573][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.705575][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705598][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705600][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.705603][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.705605][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.705607][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705612][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705613][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.705615][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.705618][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.705622][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.705624][   T88]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.705628][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.705630][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705634][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.705636][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.705640][   T88]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.705642][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.705645][   T88]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.705651][   T88]  ? 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))
[   10.705654][   T88]  ? 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))
[   10.705659][   T88]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.705662][   T88]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.705664][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705667][   T88]  ? 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)
[   10.705671][   T88]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.705674][   T88]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.705677][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.705681][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.705685][   T88]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   10.705688][   T88]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.705699][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.705705][   T88]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.705707][   T88]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.705710][   T88]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.705712][   T88]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.705714][   T88]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.705716][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.705719][   T88]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.705721][   T88] RIP: 0033:0x7fd3e4ed454e
[   10.705725][   T88] 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
[   10.705726][   T88] RSP: 002b:00007fff71479370 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.705729][   T88] RAX: ffffffffffffffda RBX: 000055ffcd1e3f50 RCX: 00007fd3e4ed454e
[   10.705730][   T88] RDX: 000000000000002c RSI: 000055ffcd34ece0 RDI: 0000000000000022
[   10.705731][   T88] RBP: 00007fff71479380 R08: 00007fff714793d0 R09: 0000000000000080
[   10.705731][   T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ffcd34f570
[   10.705732][   T88] R13: 00007fff714794b4 R14: 0000000000000000 R15: 0000000000000000
| [   13.771176][   T88] softirqs last disabled at (1327854): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   13.771178][   T88] Preemption disabled at:
| [   13.771179][   T88] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.771189][   T88] Tainted: [W]=WARN
[   13.771190][   T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.771192][   T88] Call Trace:
[   13.771193][   T88]  <TASK>
[   13.771195][   T88]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.771200][   T88]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.771201][   T88]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.771206][   T88]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.771209][   T88]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.771214][   T88]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.771216][   T88]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.771222][   T88]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.771225][   T88]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.771228][   T88]  put_chars (drivers/char/virtio_console.c:1176)
[   13.771232][   T88]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.771233][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.771238][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.771243][   T88]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.771249][   T88]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.771251][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.771253][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.771257][   T88]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.771261][   T88]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.771262][   T88]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.771264][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.771266][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.771270][   T88]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.771273][   T88]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.771275][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771280][   T88]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.771282][   T88]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.771283][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.771285][   T88]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.771288][   T88]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.771290][   T88]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.771293][   T88]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.771296][   T88]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.771298][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771300][   T88]  ? 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)
[   13.771304][   T88]  dev_vprintk_emit (drivers/base/core.c:5000)
[   13.771309][   T88]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   13.771314][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.771318][   T88]  dev_printk_emit (drivers/base/core.c:5011)
[   13.771320][   T88]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   13.771324][   T88]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.771327][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.771329][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.771332][   T88]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   13.771338][   T88]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.771341][   T88]  ? netdev_notice (net/core/dev.c:13194)
[   13.771344][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.771347][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.771350][   T88]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.771353][   T88]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.771356][   T88]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   13.771359][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771361][   T88]  ? 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)
[   13.771362][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   13.771365][   T88]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   13.771367][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.771369][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.771372][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771373][   T88]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   13.771378][   T88]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   13.771383][   T88]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.771384][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.771386][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.771388][   T88]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.771391][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.771395][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771400][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.771402][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.771405][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.771407][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.771408][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.771409][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.771411][   T88]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.771414][   T88]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.771417][   T88]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.771419][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771421][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   13.771423][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.771426][   T88]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.771428][   T88]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.771433][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.771436][   T88]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.771443][   T88]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   13.771447][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.771449][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771470][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.771472][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.771474][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.771476][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.771479][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771483][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.771485][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.771487][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.771489][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.771493][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   13.771495][   T88]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.771499][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.771501][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771505][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.771507][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.771510][   T88]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.771513][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.771516][   T88]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.771522][   T88]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.771525][   T88]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.771529][   T88]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.771533][   T88]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.771535][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.771537][   T88]  ? 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)
[   13.771541][   T88]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.771544][   T88]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.771547][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.771551][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.771554][   T88]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   13.771558][   T88]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   13.771568][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   13.771573][   T88]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   13.771575][   T88]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.771578][   T88]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.771580][   T88]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   13.771582][   T88]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.771583][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.771586][   T88]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.771588][   T88] RIP: 0033:0x7fd3e4ed454e
[   13.771592][   T88] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.771593][   T88] RSP: 002b:00007fff71479370 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   13.771596][   T88] RAX: ffffffffffffffda RBX: 000055ffcd1e3f50 RCX: 00007fd3e4ed454e
[   13.771597][   T88] RDX: 000000000000002c RSI: 000055ffcd357490 RDI: 0000000000000022
[   13.771598][   T88] RBP: 00007fff71479380 R08: 00007fff714793d0 R09: 0000000000000080
[   13.771599][   T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ffcd359870
[   13.771600][   T88] R13: 00007fff714794b4 R14: 0000000000000000 R15: 0000000000000000
| [   15.701085][   T88] softirqs last disabled at (1844594): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   15.701087][   T88] Preemption disabled at:
| [   15.701088][   T88] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.701096][   T88] Tainted: [W]=WARN
[   15.701097][   T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.701099][   T88] Call Trace:
[   15.701101][   T88]  <TASK>
[   15.701102][   T88]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.701107][   T88]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.701109][   T88]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.701114][   T88]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.701117][   T88]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.701122][   T88]  __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))
[   15.701125][   T88]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.701130][   T88]  ? 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)
[   15.701133][   T88]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.701136][   T88]  put_chars (drivers/char/virtio_console.c:1176)
[   15.701140][   T88]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.701141][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.701145][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.701151][   T88]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.701158][   T88]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.701160][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.701162][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.701167][   T88]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.701170][   T88]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.701171][   T88]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.701174][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.701176][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.701180][   T88]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.701183][   T88]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.701184][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701192][   T88]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.701194][   T88]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.701196][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.701197][   T88]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.701201][   T88]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.701203][   T88]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.701206][   T88]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.701209][   T88]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.701211][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701213][   T88]  ? 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)
[   15.701217][   T88]  dev_vprintk_emit (drivers/base/core.c:5000)
[   15.701222][   T88]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   15.701228][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.701232][   T88]  dev_printk_emit (drivers/base/core.c:5011)
[   15.701234][   T88]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   15.701238][   T88]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.701241][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.701243][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.701246][   T88]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   15.701253][   T88]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.701256][   T88]  ? netdev_notice (net/core/dev.c:13194)
[   15.701259][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.701261][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.701264][   T88]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.701268][   T88]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.701270][   T88]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   15.701273][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701275][   T88]  ? 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)
[   15.701277][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   15.701280][   T88]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   15.701282][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.701284][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.701286][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701288][   T88]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   15.701293][   T88]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   15.701298][   T88]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.701300][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.701301][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.701303][   T88]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.701306][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.701311][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701316][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.701318][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.701321][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.701322][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.701324][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.701325][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.701327][   T88]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.701330][   T88]  ? __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)
[   15.701333][   T88]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.701335][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701337][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   15.701339][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.701342][   T88]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.701344][   T88]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.701349][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.701352][   T88]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.701359][   T88]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   15.701363][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.701365][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701388][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.701390][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.701392][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.701394][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.701396][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701401][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.701403][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.701405][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.701407][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.701411][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   15.701414][   T88]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.701417][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.701419][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701424][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.701426][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.701429][   T88]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.701431][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.701435][   T88]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.701441][   T88]  ? 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))
[   15.701444][   T88]  ? 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))
[   15.701448][   T88]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.701452][   T88]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.701454][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.701458][   T88]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.701462][   T88]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.701465][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.701468][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.701472][   T88]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   15.701476][   T88]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   15.701487][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   15.701493][   T88]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   15.701494][   T88]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.701498][   T88]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.701500][   T88]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   15.701501][   T88]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.701503][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.701505][   T88]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.701507][   T88] RIP: 0033:0x7fd3e4ed454e
[   15.701511][   T88] 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
[   15.701512][   T88] RSP: 002b:00007fff71479370 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   15.701515][   T88] RAX: ffffffffffffffda RBX: 000055ffcd1e3f50 RCX: 00007fd3e4ed454e
[   15.701516][   T88] RDX: 000000000000002c RSI: 000055ffcd3520a0 RDI: 0000000000000022
[   15.701517][   T88] RBP: 00007fff71479380 R08: 00007fff714793d0 R09: 0000000000000080
[   15.701518][   T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ffcd3614f0
[   15.701518][   T88] R13: 00007fff714794b4 R14: 0000000000000000 R15: 0000000000000000
| [   18.670232][   T88] softirqs last disabled at (2241864): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   18.670234][   T88] Preemption disabled at:
| [   18.670235][   T88] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.670243][   T88] Tainted: [W]=WARN
[   18.670244][   T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.670246][   T88] Call Trace:
[   18.670247][   T88]  <TASK>
[   18.670249][   T88]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.670254][   T88]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.670255][   T88]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.670260][   T88]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.670263][   T88]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.670268][   T88]  __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))
[   18.670271][   T88]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.670277][   T88]  ? 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)
[   18.670280][   T88]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.670283][   T88]  put_chars (drivers/char/virtio_console.c:1176)
[   18.670286][   T88]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.670288][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.670292][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.670297][   T88]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.670304][   T88]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.670306][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.670308][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.670312][   T88]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.670316][   T88]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.670317][   T88]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.670320][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.670322][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.670326][   T88]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.670329][   T88]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.670330][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670336][   T88]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.670338][   T88]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.670339][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.670341][   T88]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.670345][   T88]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.670347][   T88]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.670349][   T88]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.670353][   T88]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.670355][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670357][   T88]  ? 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)
[   18.670361][   T88]  dev_vprintk_emit (drivers/base/core.c:5000)
[   18.670366][   T88]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   18.670371][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.670375][   T88]  dev_printk_emit (drivers/base/core.c:5011)
[   18.670378][   T88]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   18.670382][   T88]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   18.670385][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.670386][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.670390][   T88]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   18.670396][   T88]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.670399][   T88]  ? netdev_notice (net/core/dev.c:13194)
[   18.670402][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.670405][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.670408][   T88]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   18.670411][   T88]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.670414][   T88]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   18.670417][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670419][   T88]  ? 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)
[   18.670421][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   18.670424][   T88]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   18.670425][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.670427][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.670430][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670432][   T88]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   18.670437][   T88]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   18.670442][   T88]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.670444][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.670445][   T88]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.670447][   T88]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.670450][   T88]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.670455][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670459][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.670461][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   18.670464][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.670466][   T88]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.670468][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.670469][   T88]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.670471][   T88]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.670474][   T88]  ? __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)
[   18.670477][   T88]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.670478][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670481][   T88]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   18.670483][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.670486][   T88]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.670488][   T88]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.670493][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.670496][   T88]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   18.670503][   T88]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   18.670507][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   18.670509][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670531][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.670533][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.670536][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.670538][   T88]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   18.670540][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670545][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.670547][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.670549][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   18.670551][   T88]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.670555][   T88]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   18.670557][   T88]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.670561][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.670563][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670567][   T88]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.670569][   T88]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.670573][   T88]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.670575][   T88]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.670578][   T88]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.670584][   T88]  ? 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))
[   18.670587][   T88]  ? 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))
[   18.670592][   T88]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.670595][   T88]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.670597][   T88]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.670599][   T88]  ? 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)
[   18.670603][   T88]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.670607][   T88]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.670610][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.670614][   T88]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   18.670617][   T88]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   18.670621][   T88]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   18.670631][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   18.670637][   T88]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   18.670639][   T88]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.670643][   T88]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   18.670645][   T88]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   18.670646][   T88]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.670648][   T88]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.670651][   T88]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.670653][   T88] RIP: 0033:0x7fd3e4ed454e
[   18.670657][   T88] 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
[   18.670658][   T88] RSP: 002b:00007fff71479370 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   18.670661][   T88] RAX: ffffffffffffffda RBX: 000055ffcd1e3f50 RCX: 00007fd3e4ed454e
[   18.670662][   T88] RDX: 000000000000002c RSI: 000055ffcd33f7a0 RDI: 0000000000000022
[   18.670663][   T88] RBP: 00007fff71479380 R08: 00007fff714793d0 R09: 0000000000000080
[   18.670664][   T88] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ffcd366a90


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