======================================
| [   11.148702][  T246] softirqs last disabled at (23292): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   11.148704][  T246] Preemption disabled at:
| [   11.148705][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.148714][  T246] Tainted: [W]=WARN
[   11.148715][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.148716][  T246] Call Trace:
[   11.148718][  T246]  <TASK>
[   11.148720][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.148726][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.148727][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.148732][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.148736][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.148741][  T246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.148743][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.148750][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.148753][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.148757][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   11.148759][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.148766][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.148774][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.148777][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.148782][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.148785][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.148787][  T246]  ? 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))
[   11.148791][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.148793][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.148798][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.148802][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.148804][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.148809][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.148812][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.148814][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.148816][  T246]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.148820][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.148822][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.148825][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.148828][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.148830][  T246]  ? save_trace (kernel/locking/lockdep.c:589)
[   11.148834][  T246]  _printk (kernel/printk/printk.c:2504)
[   11.148838][  T246]  ? snapshot_read.cold (user.c:?)
[   11.148841][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.148844][  T246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.148848][  T246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.148851][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.148853][  T246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.148856][  T246]  ? netdev_notice (net/core/dev.c:13194)
[   11.148859][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.148862][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.148864][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.148868][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.148870][  T246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   11.148872][  T246]  ? register_netdev (net/core/dev.c:11618)
[   11.148873][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   11.148879][  T246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   11.148882][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   11.148884][  T246]  ? write_profile (profile.c:?)
[   11.148888][  T246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.148894][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   11.148898][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.148900][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.148901][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.148904][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.148907][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.148910][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.148912][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.148914][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.148916][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.148917][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.148918][  T246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.148921][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.148923][  T246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.148926][  T246]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.148930][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.148932][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.148935][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.148937][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.148938][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.148939][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.148941][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.148944][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.148946][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.148948][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.148952][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.148953][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.148958][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.148960][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.148965][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.148971][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.148973][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.148978][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.148980][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.148982][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.148984][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.148988][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.148990][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.148993][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.148994][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.148999][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.149001][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.149005][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.149008][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.149011][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.149018][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.149020][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.149024][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.149028][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.149031][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.149036][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.149040][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.149044][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.149045][  T246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.149051][  T246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.149054][  T246]  ____sys_sendmsg (net/socket.c:2713)
[   11.149056][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.149059][  T246]  ? sock_write_iter (net/socket.c:1269)
[   11.149060][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   11.149068][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   11.149071][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.149087][  T246]  __sys_sendmsg (net/socket.c:2799)
[   11.149090][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.149097][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.149100][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.149103][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.149106][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.149108][  T246] RIP: 0033:0x7f6b39dce54e
[   11.149112][  T246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.149114][  T246] RSP: 002b:00007ffe0cd59b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.149117][  T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6b39dce54e
[   11.149118][  T246] RDX: 0000000000000000 RSI: 00007ffe0cd59c00 RDI: 0000000000000005
[   11.149119][  T246] RBP: 00007ffe0cd59b60 R08: 0000000000000000 R09: 0000000000000000
[   11.149120][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125db
[   11.149121][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0cd5a2d0
| [   30.506180][  T800] softirqs last disabled at (28816): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.506183][  T800] Preemption disabled at:
| [   30.506184][  T800] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.506192][  T800] Tainted: [W]=WARN
[   30.506193][  T800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.506195][  T800] Call Trace:
[   30.506197][  T800]  <TASK>
[   30.506198][  T800]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.506204][  T800]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.506206][  T800]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.506210][  T800]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.506214][  T800]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.506219][  T800]  __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))
[   30.506221][  T800]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.506227][  T800]  ? 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)
[   30.506230][  T800]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.506234][  T800]  put_chars (drivers/char/virtio_console.c:1176)
[   30.506236][  T800]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.506242][  T800]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.506250][  T800]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.506253][  T800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.506257][  T800]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.506261][  T800]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.506263][  T800]  ? 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))
[   30.506267][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506269][  T800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.506273][  T800]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.506277][  T800]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.506279][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.506285][  T800]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.506287][  T800]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.506289][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506291][  T800]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.506295][  T800]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.506297][  T800]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.506299][  T800]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.506302][  T800]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.506305][  T800]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   30.506310][  T800]  _printk (kernel/printk/printk.c:2504)
[   30.506314][  T800]  ? snapshot_read.cold (user.c:?)
[   30.506315][  T800]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.506318][  T800]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.506320][  T800]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.506322][  T800]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.506326][  T800]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.506329][  T800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.506331][  T800]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.506334][  T800]  ? netdev_notice (net/core/dev.c:13194)
[   30.506337][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.506340][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.506342][  T800]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.506346][  T800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.506348][  T800]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.506350][  T800]  ? register_netdev (net/core/dev.c:11618)
[   30.506352][  T800]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   30.506357][  T800]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.506359][  T800]  ? __kernel_text_address (kernel/extable.c:79)
[   30.506362][  T800]  ? write_profile (profile.c:?)
[   30.506366][  T800]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.506372][  T800]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.506375][  T800]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.506377][  T800]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.506378][  T800]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.506380][  T800]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.506384][  T800]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.506386][  T800]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.506387][  T800]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.506390][  T800]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.506392][  T800]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.506393][  T800]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.506394][  T800]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.506396][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.506398][  T800]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.506402][  T800]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.506405][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.506407][  T800]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.506410][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506412][  T800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.506413][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506414][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506416][  T800]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.506418][  T800]  ? __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)
[   30.506419][  T800]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.506421][  T800]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.506425][  T800]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.506426][  T800]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.506431][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506433][  T800]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.506438][  T800]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.506444][  T800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.506445][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.506450][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.506452][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.506454][  T800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.506455][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.506459][  T800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.506461][  T800]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.506464][  T800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.506466][  T800]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.506470][  T800]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.506472][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.506476][  T800]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.506479][  T800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.506482][  T800]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.506489][  T800]  ? 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))
[   30.506492][  T800]  ? 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))
[   30.506500][  T800]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.506504][  T800]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.506507][  T800]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.506511][  T800]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.506515][  T800]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.506519][  T800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.506521][  T800]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.506526][  T800]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.506529][  T800]  ____sys_sendmsg (net/socket.c:2713)
[   30.506531][  T800]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.506533][  T800]  ? sock_write_iter (net/socket.c:1269)
[   30.506535][  T800]  ? move_addr_to_kernel (net/socket.c:258)
[   30.506542][  T800]  ___sys_sendmsg (net/socket.c:2767)
[   30.506545][  T800]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.506561][  T800]  __sys_sendmsg (net/socket.c:2799)
[   30.506564][  T800]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.506570][  T800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.506573][  T800]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.506576][  T800]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.506579][  T800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.506582][  T800] RIP: 0033:0x7fae1edb754e
[   30.506586][  T800] 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
[   30.506588][  T800] RSP: 002b:00007ffe9ce96c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.506590][  T800] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fae1edb754e
[   30.506592][  T800] RDX: 0000000000000000 RSI: 00007ffe9ce96d40 RDI: 0000000000000005
[   30.506593][  T800] RBP: 00007ffe9ce96ca0 R08: 0000000000000000 R09: 0000000000000000
[   30.506593][  T800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125ee
[   30.506594][  T800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9ce97410
| [   52.742489][ T1357] softirqs last disabled at (21527): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   52.742491][ T1357] Preemption disabled at:
| [   52.742492][ T1357] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.742500][ T1357] Tainted: [W]=WARN
[   52.742501][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.742503][ T1357] Call Trace:
[   52.742504][ T1357]  <TASK>
[   52.742506][ T1357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.742512][ T1357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.742513][ T1357]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.742518][ T1357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.742522][ T1357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.742527][ T1357]  __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))
[   52.742529][ T1357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.742536][ T1357]  ? 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)
[   52.742538][ T1357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.742542][ T1357]  put_chars (drivers/char/virtio_console.c:1176)
[   52.742545][ T1357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.742551][ T1357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.742559][ T1357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.742562][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.742567][ T1357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.742571][ T1357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.742573][ T1357]  ? 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))
[   52.742576][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742579][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.742583][ T1357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.742588][ T1357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.742590][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.742595][ T1357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.742598][ T1357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.742600][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742602][ T1357]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.742606][ T1357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.742607][ T1357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.742610][ T1357]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.742613][ T1357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.742616][ T1357]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   52.742621][ T1357]  _printk (kernel/printk/printk.c:2504)
[   52.742625][ T1357]  ? snapshot_read.cold (user.c:?)
[   52.742627][ T1357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.742630][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.742632][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.742635][ T1357]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.742638][ T1357]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.742641][ T1357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.742643][ T1357]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.742646][ T1357]  ? netdev_notice (net/core/dev.c:13194)
[   52.742649][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.742653][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.742655][ T1357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.742659][ T1357]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.742661][ T1357]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.742663][ T1357]  ? register_netdev (net/core/dev.c:11618)
[   52.742666][ T1357]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   52.742671][ T1357]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.742674][ T1357]  ? __kernel_text_address (kernel/extable.c:79)
[   52.742677][ T1357]  ? write_profile (profile.c:?)
[   52.742681][ T1357]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.742687][ T1357]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.742690][ T1357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.742692][ T1357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.742693][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.742695][ T1357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.742699][ T1357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.742701][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.742703][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.742705][ T1357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.742707][ T1357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.742708][ T1357]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.742710][ T1357]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.742712][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.742714][ T1357]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   52.742717][ T1357]  ? ___sys_sendmsg (net/socket.c:2758)
[   52.742721][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.742723][ T1357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.742726][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742728][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.742730][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742731][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742733][ T1357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.742735][ T1357]  ? __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)
[   52.742736][ T1357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.742738][ T1357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.742742][ T1357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.742743][ T1357]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.742748][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742751][ T1357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.742756][ T1357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.742762][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.742763][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.742768][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.742770][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.742772][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.742774][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.742778][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.742780][ T1357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.742783][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.742785][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.742789][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.742791][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.742801][ T1357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.742804][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.742807][ T1357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.742814][ T1357]  ? 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))
[   52.742816][ T1357]  ? 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))
[   52.742820][ T1357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.742824][ T1357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.742828][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.742836][ T1357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.742841][ T1357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.742845][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.742847][ T1357]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.742852][ T1357]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.742855][ T1357]  ____sys_sendmsg (net/socket.c:2713)
[   52.742857][ T1357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.742859][ T1357]  ? sock_write_iter (net/socket.c:1269)
[   52.742861][ T1357]  ? move_addr_to_kernel (net/socket.c:258)
[   52.742869][ T1357]  ___sys_sendmsg (net/socket.c:2767)
[   52.742871][ T1357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.742887][ T1357]  __sys_sendmsg (net/socket.c:2799)
[   52.742890][ T1357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.742896][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.742899][ T1357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.742902][ T1357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.742905][ T1357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.742908][ T1357] RIP: 0033:0x7fb05c43854e
[   52.742911][ T1357] 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
[   52.742913][ T1357] RSP: 002b:00007fff048c3710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.742916][ T1357] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb05c43854e
[   52.742917][ T1357] RDX: 0000000000000000 RSI: 00007fff048c37c0 RDI: 0000000000000005
[   52.742918][ T1357] RBP: 00007fff048c3720 R08: 0000000000000000 R09: 0000000000000000
[   52.742919][ T1357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912605
[   52.742920][ T1357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff048c3e90
| [   72.712466][ T1887] softirqs last disabled at (28162): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   72.712469][ T1887] Preemption disabled at:
| [   72.712469][ T1887] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.712477][ T1887] Tainted: [W]=WARN
[   72.712478][ T1887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.712480][ T1887] Call Trace:
[   72.712481][ T1887]  <TASK>
[   72.712483][ T1887]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.712488][ T1887]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.712490][ T1887]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.712495][ T1887]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.712499][ T1887]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.712503][ T1887]  __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))
[   72.712505][ T1887]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.712511][ T1887]  ? 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)
[   72.712514][ T1887]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.712518][ T1887]  put_chars (drivers/char/virtio_console.c:1176)
[   72.712520][ T1887]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.712526][ T1887]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.712534][ T1887]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.712538][ T1887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.712542][ T1887]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.712546][ T1887]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.712548][ T1887]  ? 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))
[   72.712551][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712554][ T1887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.712558][ T1887]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.712562][ T1887]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.712564][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.712569][ T1887]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.712571][ T1887]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.712573][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712575][ T1887]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   72.712579][ T1887]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.712580][ T1887]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.712583][ T1887]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.712586][ T1887]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.712589][ T1887]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.712594][ T1887]  _printk (kernel/printk/printk.c:2504)
[   72.712597][ T1887]  ? snapshot_read.cold (user.c:?)
[   72.712599][ T1887]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.712602][ T1887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.712605][ T1887]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.712607][ T1887]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.712610][ T1887]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.712613][ T1887]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.712615][ T1887]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.712618][ T1887]  ? netdev_notice (net/core/dev.c:13194)
[   72.712621][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.712624][ T1887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.712626][ T1887]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   72.712630][ T1887]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.712632][ T1887]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   72.712634][ T1887]  ? register_netdev (net/core/dev.c:11618)
[   72.712635][ T1887]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   72.712641][ T1887]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   72.712643][ T1887]  ? __kernel_text_address (kernel/extable.c:79)
[   72.712645][ T1887]  ? write_profile (profile.c:?)
[   72.712650][ T1887]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   72.712655][ T1887]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.712658][ T1887]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.712660][ T1887]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.712662][ T1887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.712663][ T1887]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.712667][ T1887]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.712669][ T1887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.712670][ T1887]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.712673][ T1887]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.712675][ T1887]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.712676][ T1887]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.712677][ T1887]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.712679][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.712681][ T1887]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   72.712684][ T1887]  ? ___sys_sendmsg (net/socket.c:2758)
[   72.712688][ T1887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.712690][ T1887]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.712693][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712694][ T1887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.712696][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712697][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712698][ T1887]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.712701][ T1887]  ? __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)
[   72.712702][ T1887]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.712704][ T1887]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.712707][ T1887]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.712708][ T1887]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.712713][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712715][ T1887]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.712720][ T1887]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.712725][ T1887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.712727][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.712732][ T1887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.712734][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.712735][ T1887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.712737][ T1887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.712741][ T1887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.712743][ T1887]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.712746][ T1887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.712747][ T1887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.712752][ T1887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.712754][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.712757][ T1887]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.712760][ T1887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.712763][ T1887]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.712769][ T1887]  ? 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))
[   72.712771][ T1887]  ? 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))
[   72.712776][ T1887]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.712780][ T1887]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.712782][ T1887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.712786][ T1887]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.712790][ T1887]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.712794][ T1887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.712796][ T1887]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.712801][ T1887]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.712803][ T1887]  ____sys_sendmsg (net/socket.c:2713)
[   72.712806][ T1887]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.712808][ T1887]  ? sock_write_iter (net/socket.c:1269)
[   72.712809][ T1887]  ? move_addr_to_kernel (net/socket.c:258)
[   72.712817][ T1887]  ___sys_sendmsg (net/socket.c:2767)
[   72.712819][ T1887]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.712841][ T1887]  __sys_sendmsg (net/socket.c:2799)
[   72.712844][ T1887]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.712850][ T1887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.712853][ T1887]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.712856][ T1887]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.712859][ T1887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.712861][ T1887] RIP: 0033:0x7f4aa351a54e
[   72.712865][ T1887] 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
[   72.712867][ T1887] RSP: 002b:00007ffe4d3afda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.712870][ T1887] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4aa351a54e
[   72.712871][ T1887] RDX: 0000000000000000 RSI: 00007ffe4d3afe50 RDI: 0000000000000005
[   72.712872][ T1887] RBP: 00007ffe4d3afdb0 R08: 0000000000000000 R09: 0000000000000000
[   72.712873][ T1887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912619
[   72.712874][ T1887] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d3b0520
| [   92.933942][ T2418] softirqs last disabled at (24546): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   92.933944][ T2418] Preemption disabled at:
| [   92.933945][ T2418] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.933953][ T2418] Tainted: [W]=WARN
[   92.933954][ T2418] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.933956][ T2418] Call Trace:
[   92.933957][ T2418]  <TASK>
[   92.933959][ T2418]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.933965][ T2418]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.933967][ T2418]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.933971][ T2418]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.933975][ T2418]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.933980][ T2418]  __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))
[   92.933982][ T2418]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.933988][ T2418]  ? 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)
[   92.933991][ T2418]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.933995][ T2418]  put_chars (drivers/char/virtio_console.c:1176)
[   92.933998][ T2418]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.934004][ T2418]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.934012][ T2418]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.934015][ T2418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.934019][ T2418]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.934024][ T2418]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.934025][ T2418]  ? 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))
[   92.934029][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934031][ T2418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.934035][ T2418]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.934040][ T2418]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.934042][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.934047][ T2418]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.934050][ T2418]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.934052][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934054][ T2418]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   92.934058][ T2418]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.934060][ T2418]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.934062][ T2418]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.934066][ T2418]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.934068][ T2418]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   92.934074][ T2418]  _printk (kernel/printk/printk.c:2504)
[   92.934077][ T2418]  ? snapshot_read.cold (user.c:?)
[   92.934079][ T2418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.934082][ T2418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.934084][ T2418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.934087][ T2418]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.934097][ T2418]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.934100][ T2418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   92.934102][ T2418]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.934105][ T2418]  ? netdev_notice (net/core/dev.c:13194)
[   92.934108][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.934111][ T2418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.934114][ T2418]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   92.934117][ T2418]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   92.934119][ T2418]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   92.934122][ T2418]  ? register_netdev (net/core/dev.c:11618)
[   92.934123][ T2418]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   92.934128][ T2418]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   92.934131][ T2418]  ? __kernel_text_address (kernel/extable.c:79)
[   92.934133][ T2418]  ? write_profile (profile.c:?)
[   92.934137][ T2418]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   92.934143][ T2418]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   92.934146][ T2418]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   92.934149][ T2418]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   92.934150][ T2418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.934152][ T2418]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.934155][ T2418]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.934157][ T2418]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.934159][ T2418]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.934162][ T2418]  ? kasan_save_stack (mm/kasan/common.c:58)
[   92.934163][ T2418]  ? kasan_save_stack (mm/kasan/common.c:57)
[   92.934165][ T2418]  ? kasan_save_track (mm/kasan/common.c:78)
[   92.934166][ T2418]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   92.934168][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.934170][ T2418]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   92.934176][ T2418]  ? ___sys_sendmsg (net/socket.c:2758)
[   92.934179][ T2418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.934181][ T2418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.934184][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934186][ T2418]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.934188][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934189][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934190][ T2418]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   92.934193][ T2418]  ? __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)
[   92.934194][ T2418]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   92.934196][ T2418]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   92.934199][ T2418]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   92.934201][ T2418]  ? nla_get_range_signed (lib/nlattr.c:270)
[   92.934205][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934208][ T2418]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   92.934213][ T2418]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   92.934218][ T2418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.934220][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.934225][ T2418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.934227][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.934228][ T2418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.934230][ T2418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.934234][ T2418]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   92.934236][ T2418]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   92.934239][ T2418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.934241][ T2418]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.934245][ T2418]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.934247][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.934251][ T2418]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   92.934254][ T2418]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.934257][ T2418]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.934263][ T2418]  ? 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))
[   92.934265][ T2418]  ? 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))
[   92.934270][ T2418]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.934274][ T2418]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.934276][ T2418]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   92.934280][ T2418]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   92.934284][ T2418]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   92.934288][ T2418]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.934290][ T2418]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   92.934295][ T2418]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   92.934298][ T2418]  ____sys_sendmsg (net/socket.c:2713)
[   92.934300][ T2418]  ? copy_msghdr_from_user (net/socket.c:2650)
[   92.934303][ T2418]  ? sock_write_iter (net/socket.c:1269)
[   92.934304][ T2418]  ? move_addr_to_kernel (net/socket.c:258)
[   92.934312][ T2418]  ___sys_sendmsg (net/socket.c:2767)
[   92.934314][ T2418]  ? copy_msghdr_from_user (net/socket.c:2619)
[   92.934330][ T2418]  __sys_sendmsg (net/socket.c:2799)
[   92.934333][ T2418]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   92.934340][ T2418]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.934343][ T2418]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   92.934346][ T2418]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   92.934349][ T2418]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.934351][ T2418] RIP: 0033:0x7fbcbae4054e
[   92.934355][ T2418] 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
[   92.934357][ T2418] RSP: 002b:00007ffeef6fc810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.934359][ T2418] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbcbae4054e
[   92.934361][ T2418] RDX: 0000000000000000 RSI: 00007ffeef6fc8c0 RDI: 0000000000000005
[   92.934362][ T2418] RBP: 00007ffeef6fc820 R08: 0000000000000000 R09: 0000000000000000
[   92.934363][ T2418] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91262d
[   92.934363][ T2418] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeef6fcf90
| [  181.373936][ T3793] softirqs last disabled at (22992): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  181.373938][ T3793] Preemption disabled at:
| [  181.373939][ T3793] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.373947][ T3793] Tainted: [W]=WARN
[  181.373948][ T3793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.373950][ T3793] Call Trace:
[  181.373951][ T3793]  <TASK>
[  181.373953][ T3793]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.373959][ T3793]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.373960][ T3793]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.373965][ T3793]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.373969][ T3793]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  181.373973][ T3793]  __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))
[  181.373975][ T3793]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.373982][ T3793]  ? 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)
[  181.373985][ T3793]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.373989][ T3793]  put_chars (drivers/char/virtio_console.c:1176)
[  181.373991][ T3793]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.373998][ T3793]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.374006][ T3793]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.374009][ T3793]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.374014][ T3793]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.374018][ T3793]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.374020][ T3793]  ? 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))
[  181.374023][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374026][ T3793]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.374030][ T3793]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.374034][ T3793]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.374036][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.374042][ T3793]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.374045][ T3793]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.374047][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374048][ T3793]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.374052][ T3793]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.374054][ T3793]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.374057][ T3793]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.374060][ T3793]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.374063][ T3793]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  181.374068][ T3793]  _printk (kernel/printk/printk.c:2504)
[  181.374072][ T3793]  ? snapshot_read.cold (user.c:?)
[  181.374074][ T3793]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.374077][ T3793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.374079][ T3793]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.374082][ T3793]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.374085][ T3793]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.374088][ T3793]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.374091][ T3793]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.374093][ T3793]  ? netdev_notice (net/core/dev.c:13194)
[  181.374096][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.374100][ T3793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.374102][ T3793]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  181.374106][ T3793]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.374108][ T3793]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  181.374110][ T3793]  ? register_netdev (net/core/dev.c:11618)
[  181.374111][ T3793]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  181.374117][ T3793]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  181.374119][ T3793]  ? __kernel_text_address (kernel/extable.c:79)
[  181.374122][ T3793]  ? write_profile (profile.c:?)
[  181.374126][ T3793]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  181.374132][ T3793]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.374135][ T3793]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  181.374138][ T3793]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  181.374139][ T3793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  181.374141][ T3793]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  181.374144][ T3793]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.374146][ T3793]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.374148][ T3793]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.374150][ T3793]  ? kasan_save_stack (mm/kasan/common.c:58)
[  181.374152][ T3793]  ? kasan_save_stack (mm/kasan/common.c:57)
[  181.374153][ T3793]  ? kasan_save_track (mm/kasan/common.c:78)
[  181.374155][ T3793]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  181.374157][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.374159][ T3793]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  181.374162][ T3793]  ? ___sys_sendmsg (net/socket.c:2758)
[  181.374166][ T3793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.374168][ T3793]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  181.374171][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374176][ T3793]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.374177][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374179][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374180][ T3793]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  181.374183][ T3793]  ? __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)
[  181.374184][ T3793]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  181.374186][ T3793]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  181.374189][ T3793]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  181.374191][ T3793]  ? nla_get_range_signed (lib/nlattr.c:270)
[  181.374196][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374198][ T3793]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  181.374203][ T3793]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.374209][ T3793]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.374211][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.374215][ T3793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.374217][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.374219][ T3793]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.374221][ T3793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.374225][ T3793]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.374227][ T3793]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.374230][ T3793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.374231][ T3793]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.374236][ T3793]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.374238][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.374241][ T3793]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.374244][ T3793]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.374247][ T3793]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.374254][ T3793]  ? 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))
[  181.374256][ T3793]  ? 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))
[  181.374260][ T3793]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.374264][ T3793]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.374267][ T3793]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.374271][ T3793]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.374275][ T3793]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.374279][ T3793]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.374281][ T3793]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.374286][ T3793]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.374289][ T3793]  ____sys_sendmsg (net/socket.c:2713)
[  181.374291][ T3793]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.374294][ T3793]  ? sock_write_iter (net/socket.c:1269)
[  181.374295][ T3793]  ? move_addr_to_kernel (net/socket.c:258)
[  181.374303][ T3793]  ___sys_sendmsg (net/socket.c:2767)
[  181.374306][ T3793]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.374322][ T3793]  __sys_sendmsg (net/socket.c:2799)
[  181.374324][ T3793]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.374331][ T3793]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.374334][ T3793]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.374337][ T3793]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.374340][ T3793]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.374342][ T3793] RIP: 0033:0x7f96de3ca54e
[  181.374347][ T3793] 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
[  181.374348][ T3793] RSP: 002b:00007ffd2bac9490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.374351][ T3793] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f96de3ca54e
[  181.374352][ T3793] RDX: 0000000000000000 RSI: 00007ffd2bac9540 RDI: 0000000000000005
[  181.374353][ T3793] RBP: 00007ffd2bac94a0 R08: 0000000000000000 R09: 0000000000000000
[  181.374354][ T3793] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912685
[  181.374355][ T3793] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2bac9c10
| [  190.446750][ T4083] softirqs last disabled at (21004): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  190.446752][ T4083] Preemption disabled at:
| [  190.446753][ T4083] vprintk_emit (kernel/printk/printk.c:2471)
| [  190.446762][ T4083] Tainted: [W]=WARN
[  190.446763][ T4083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.446765][ T4083] Call Trace:
[  190.446766][ T4083]  <TASK>
[  190.446768][ T4083]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  190.446774][ T4083]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  190.446775][ T4083]  __might_resched.cold (kernel/sched/core.c:9234)
[  190.446780][ T4083]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  190.446784][ T4083]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  190.446789][ T4083]  __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))
[  190.446791][ T4083]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.446804][ T4083]  ? 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)
[  190.446807][ T4083]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.446811][ T4083]  put_chars (drivers/char/virtio_console.c:1176)
[  190.446813][ T4083]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  190.446820][ T4083]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  190.446831][ T4083]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  190.446837][ T4083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.446844][ T4083]  console_emit_next_record (kernel/printk/printk.c:3183)
[  190.446849][ T4083]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  190.446851][ T4083]  ? 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))
[  190.446855][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.446858][ T4083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.446862][ T4083]  console_flush_one_record (kernel/printk/printk.c:3268)
[  190.446866][ T4083]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  190.446868][ T4083]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.446874][ T4083]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  190.446877][ T4083]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  190.446879][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.446880][ T4083]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  190.446884][ T4083]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  190.446886][ T4083]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  190.446889][ T4083]  vprintk_emit (kernel/printk/printk.c:2479)
[  190.446892][ T4083]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  190.446895][ T4083]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  190.446900][ T4083]  _printk (kernel/printk/printk.c:2504)
[  190.446904][ T4083]  ? snapshot_read.cold (user.c:?)
[  190.446905][ T4083]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  190.446908][ T4083]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  190.446911][ T4083]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  190.446913][ T4083]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  190.446917][ T4083]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  190.446920][ T4083]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  190.446922][ T4083]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  190.446925][ T4083]  ? netdev_notice (net/core/dev.c:13194)
[  190.446928][ T4083]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.446931][ T4083]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  190.446933][ T4083]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  190.446937][ T4083]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  190.446939][ T4083]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  190.446941][ T4083]  ? register_netdev (net/core/dev.c:11618)
[  190.446943][ T4083]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  190.446948][ T4083]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  190.446951][ T4083]  ? __kernel_text_address (kernel/extable.c:79)
[  190.446953][ T4083]  ? write_profile (profile.c:?)
[  190.446957][ T4083]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  190.446963][ T4083]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  190.446967][ T4083]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  190.446969][ T4083]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  190.446970][ T4083]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  190.446972][ T4083]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  190.446975][ T4083]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  190.446977][ T4083]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  190.446979][ T4083]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  190.446981][ T4083]  ? kasan_save_stack (mm/kasan/common.c:58)
[  190.446983][ T4083]  ? kasan_save_stack (mm/kasan/common.c:57)
[  190.446985][ T4083]  ? kasan_save_track (mm/kasan/common.c:78)
[  190.446986][ T4083]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  190.446988][ T4083]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.446990][ T4083]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  190.446993][ T4083]  ? ___sys_sendmsg (net/socket.c:2758)
[  190.446997][ T4083]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  190.446999][ T4083]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  190.447002][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.447004][ T4083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.447006][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.447007][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.447008][ T4083]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  190.447011][ T4083]  ? __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)
[  190.447012][ T4083]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  190.447014][ T4083]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  190.447017][ T4083]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  190.447018][ T4083]  ? nla_get_range_signed (lib/nlattr.c:270)
[  190.447023][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.447026][ T4083]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  190.447031][ T4083]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  190.447036][ T4083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.447038][ T4083]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.447043][ T4083]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  190.447045][ T4083]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.447047][ T4083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.447048][ T4083]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  190.447052][ T4083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.447054][ T4083]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.447058][ T4083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.447059][ T4083]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  190.447063][ T4083]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  190.447065][ T4083]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.447069][ T4083]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.447072][ T4083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.447075][ T4083]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  190.447082][ T4083]  ? 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))
[  190.447084][ T4083]  ? 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))
[  190.447088][ T4083]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.447092][ T4083]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  190.447095][ T4083]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  190.447099][ T4083]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.447103][ T4083]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  190.447107][ T4083]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  190.447109][ T4083]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  190.447114][ T4083]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.447117][ T4083]  ____sys_sendmsg (net/socket.c:2713)
[  190.447119][ T4083]  ? copy_msghdr_from_user (net/socket.c:2650)
[  190.447121][ T4083]  ? sock_write_iter (net/socket.c:1269)
[  190.447123][ T4083]  ? move_addr_to_kernel (net/socket.c:258)
[  190.447130][ T4083]  ___sys_sendmsg (net/socket.c:2767)
[  190.447133][ T4083]  ? copy_msghdr_from_user (net/socket.c:2619)
[  190.447150][ T4083]  __sys_sendmsg (net/socket.c:2799)
[  190.447152][ T4083]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  190.447159][ T4083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.447162][ T4083]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.447165][ T4083]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  190.447168][ T4083]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.447170][ T4083] RIP: 0033:0x7f3a18c1f54e
[  190.447177][ T4083] 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
[  190.447179][ T4083] RSP: 002b:00007ffc2f8f6b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  190.447182][ T4083] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3a18c1f54e
[  190.447183][ T4083] RDX: 0000000000000000 RSI: 00007ffc2f8f6c40 RDI: 0000000000000005
[  190.447184][ T4083] RBP: 00007ffc2f8f6ba0 R08: 0000000000000000 R09: 0000000000000000
[  190.447185][ T4083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91268e
[  190.447186][ T4083] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2f8f7310
| [  263.100798][ T5099] softirqs last disabled at (16434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  263.100800][ T5099] Preemption disabled at:
| [  263.100801][ T5099] vprintk_emit (kernel/printk/printk.c:2471)
| [  263.100810][ T5099] Tainted: [W]=WARN
[  263.100811][ T5099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  263.100813][ T5099] Call Trace:
[  263.100815][ T5099]  <TASK>
[  263.100816][ T5099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  263.100822][ T5099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  263.100824][ T5099]  __might_resched.cold (kernel/sched/core.c:9234)
[  263.100828][ T5099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  263.100832][ T5099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  263.100837][ T5099]  __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))
[  263.100839][ T5099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  263.100846][ T5099]  ? 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)
[  263.100848][ T5099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  263.100852][ T5099]  put_chars (drivers/char/virtio_console.c:1176)
[  263.100855][ T5099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  263.100861][ T5099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  263.100869][ T5099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  263.100872][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.100876][ T5099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  263.100880][ T5099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  263.100882][ T5099]  ? 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))
[  263.100886][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.100888][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.100892][ T5099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  263.100897][ T5099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  263.100900][ T5099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.100909][ T5099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  263.100913][ T5099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  263.100915][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.100917][ T5099]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  263.100920][ T5099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  263.100922][ T5099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  263.100925][ T5099]  vprintk_emit (kernel/printk/printk.c:2479)
[  263.100928][ T5099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  263.100931][ T5099]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  263.100936][ T5099]  _printk (kernel/printk/printk.c:2504)
[  263.100940][ T5099]  ? snapshot_read.cold (user.c:?)
[  263.100941][ T5099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  263.100944][ T5099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  263.100947][ T5099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  263.100949][ T5099]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  263.100953][ T5099]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  263.100956][ T5099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  263.100958][ T5099]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  263.100961][ T5099]  ? netdev_notice (net/core/dev.c:13194)
[  263.100964][ T5099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.100967][ T5099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.100970][ T5099]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  263.100973][ T5099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  263.100975][ T5099]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  263.100977][ T5099]  ? register_netdev (net/core/dev.c:11618)
[  263.100979][ T5099]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  263.100985][ T5099]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  263.100987][ T5099]  ? __kernel_text_address (kernel/extable.c:79)
[  263.100990][ T5099]  ? write_profile (profile.c:?)
[  263.100994][ T5099]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  263.100999][ T5099]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  263.101003][ T5099]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  263.101005][ T5099]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  263.101006][ T5099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  263.101008][ T5099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  263.101011][ T5099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  263.101013][ T5099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  263.101015][ T5099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  263.101018][ T5099]  ? kasan_save_stack (mm/kasan/common.c:58)
[  263.101020][ T5099]  ? kasan_save_stack (mm/kasan/common.c:57)
[  263.101021][ T5099]  ? kasan_save_track (mm/kasan/common.c:78)
[  263.101022][ T5099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  263.101024][ T5099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.101026][ T5099]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  263.101030][ T5099]  ? ___sys_sendmsg (net/socket.c:2758)
[  263.101034][ T5099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.101036][ T5099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  263.101038][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.101040][ T5099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.101042][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.101043][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.101044][ T5099]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  263.101047][ T5099]  ? __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)
[  263.101048][ T5099]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  263.101050][ T5099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  263.101053][ T5099]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  263.101054][ T5099]  ? nla_get_range_signed (lib/nlattr.c:270)
[  263.101059][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.101062][ T5099]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  263.101067][ T5099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  263.101072][ T5099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  263.101074][ T5099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.101079][ T5099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.101081][ T5099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.101083][ T5099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  263.101085][ T5099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.101089][ T5099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  263.101091][ T5099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  263.101094][ T5099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  263.101095][ T5099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.101100][ T5099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.101102][ T5099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.101105][ T5099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  263.101108][ T5099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  263.101111][ T5099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  263.101118][ T5099]  ? 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))
[  263.101120][ T5099]  ? 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))
[  263.101125][ T5099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  263.101129][ T5099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  263.101131][ T5099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.101136][ T5099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  263.101140][ T5099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  263.101144][ T5099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.101145][ T5099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  263.101151][ T5099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  263.101154][ T5099]  ____sys_sendmsg (net/socket.c:2713)
[  263.101156][ T5099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  263.101159][ T5099]  ? sock_write_iter (net/socket.c:1269)
[  263.101160][ T5099]  ? move_addr_to_kernel (net/socket.c:258)
[  263.101168][ T5099]  ___sys_sendmsg (net/socket.c:2767)
[  263.101175][ T5099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  263.101191][ T5099]  __sys_sendmsg (net/socket.c:2799)
[  263.101194][ T5099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  263.101200][ T5099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.101203][ T5099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  263.101206][ T5099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  263.101209][ T5099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  263.101211][ T5099] RIP: 0033:0x7ff83a57554e
[  263.101215][ T5099] 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
[  263.101217][ T5099] RSP: 002b:00007ffdd3288230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  263.101220][ T5099] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff83a57554e
[  263.101221][ T5099] RDX: 0000000000000000 RSI: 00007ffdd32882e0 RDI: 0000000000000005
[  263.101222][ T5099] RBP: 00007ffdd3288240 R08: 0000000000000000 R09: 0000000000000000
[  263.101223][ T5099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9126d7
[  263.101224][ T5099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd32889b0
| [  316.988801][ T6984] softirqs last disabled at (19502): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  316.988803][ T6984] Preemption disabled at:
| [  316.988804][ T6984] vprintk_emit (kernel/printk/printk.c:2471)
| [  316.988812][ T6984] Tainted: [W]=WARN
[  316.988813][ T6984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  316.988815][ T6984] Call Trace:
[  316.988817][ T6984]  <TASK>
[  316.988818][ T6984]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  316.988824][ T6984]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  316.988826][ T6984]  __might_resched.cold (kernel/sched/core.c:9234)
[  316.988830][ T6984]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  316.988835][ T6984]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  316.988839][ T6984]  __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))
[  316.988841][ T6984]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  316.988848][ T6984]  ? 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)
[  316.988851][ T6984]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  316.988855][ T6984]  put_chars (drivers/char/virtio_console.c:1176)
[  316.988857][ T6984]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  316.988864][ T6984]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  316.988872][ T6984]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  316.988875][ T6984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  316.988880][ T6984]  console_emit_next_record (kernel/printk/printk.c:3183)
[  316.988884][ T6984]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  316.988886][ T6984]  ? 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))
[  316.988889][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.988892][ T6984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  316.988896][ T6984]  console_flush_one_record (kernel/printk/printk.c:3268)
[  316.988903][ T6984]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  316.988906][ T6984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.988913][ T6984]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  316.988916][ T6984]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  316.988918][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.988919][ T6984]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  316.988923][ T6984]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  316.988925][ T6984]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  316.988928][ T6984]  vprintk_emit (kernel/printk/printk.c:2479)
[  316.988931][ T6984]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  316.988934][ T6984]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  316.988939][ T6984]  _printk (kernel/printk/printk.c:2504)
[  316.988943][ T6984]  ? snapshot_read.cold (user.c:?)
[  316.988945][ T6984]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  316.988947][ T6984]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  316.988950][ T6984]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  316.988953][ T6984]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  316.988957][ T6984]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  316.988959][ T6984]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  316.988962][ T6984]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  316.988965][ T6984]  ? netdev_notice (net/core/dev.c:13194)
[  316.988968][ T6984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  316.988971][ T6984]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  316.988974][ T6984]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  316.988977][ T6984]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  316.988979][ T6984]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  316.988982][ T6984]  ? register_netdev (net/core/dev.c:11618)
[  316.988983][ T6984]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  316.988989][ T6984]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  316.988991][ T6984]  ? __kernel_text_address (kernel/extable.c:79)
[  316.988994][ T6984]  ? write_profile (profile.c:?)
[  316.988998][ T6984]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  316.989004][ T6984]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  316.989007][ T6984]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  316.989010][ T6984]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  316.989011][ T6984]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  316.989013][ T6984]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  316.989017][ T6984]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  316.989019][ T6984]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  316.989020][ T6984]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  316.989023][ T6984]  ? kasan_save_stack (mm/kasan/common.c:58)
[  316.989025][ T6984]  ? kasan_save_stack (mm/kasan/common.c:57)
[  316.989026][ T6984]  ? kasan_save_track (mm/kasan/common.c:78)
[  316.989027][ T6984]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  316.989030][ T6984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.989032][ T6984]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  316.989035][ T6984]  ? ___sys_sendmsg (net/socket.c:2758)
[  316.989039][ T6984]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  316.989041][ T6984]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  316.989044][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.989046][ T6984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  316.989047][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.989048][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.989050][ T6984]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  316.989052][ T6984]  ? __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)
[  316.989054][ T6984]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  316.989056][ T6984]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  316.989059][ T6984]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  316.989060][ T6984]  ? nla_get_range_signed (lib/nlattr.c:270)
[  316.989065][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.989068][ T6984]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  316.989073][ T6984]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  316.989079][ T6984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  316.989081][ T6984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.989085][ T6984]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  316.989087][ T6984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  316.989089][ T6984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  316.989091][ T6984]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  316.989095][ T6984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  316.989098][ T6984]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  316.989101][ T6984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  316.989102][ T6984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  316.989107][ T6984]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  316.989109][ T6984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  316.989112][ T6984]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  316.989116][ T6984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  316.989119][ T6984]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  316.989125][ T6984]  ? 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))
[  316.989128][ T6984]  ? 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))
[  316.989132][ T6984]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  316.989136][ T6984]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  316.989139][ T6984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  316.989143][ T6984]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  316.989148][ T6984]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  316.989151][ T6984]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  316.989153][ T6984]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  316.989159][ T6984]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  316.989162][ T6984]  ____sys_sendmsg (net/socket.c:2713)
[  316.989164][ T6984]  ? copy_msghdr_from_user (net/socket.c:2650)
[  316.989166][ T6984]  ? sock_write_iter (net/socket.c:1269)
[  316.989168][ T6984]  ? move_addr_to_kernel (net/socket.c:258)
[  316.989179][ T6984]  ___sys_sendmsg (net/socket.c:2767)
[  316.989182][ T6984]  ? copy_msghdr_from_user (net/socket.c:2619)
[  316.989198][ T6984]  __sys_sendmsg (net/socket.c:2799)
[  316.989201][ T6984]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  316.989207][ T6984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  316.989210][ T6984]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  316.989214][ T6984]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  316.989216][ T6984]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  316.989219][ T6984] RIP: 0033:0x7fd1215b354e
[  316.989223][ T6984] 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
[  316.989224][ T6984] RSP: 002b:00007ffd87ed9730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  316.989227][ T6984] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd1215b354e
[  316.989229][ T6984] RDX: 0000000000000000 RSI: 00007ffd87ed97e0 RDI: 0000000000000005
[  316.989230][ T6984] RBP: 00007ffd87ed9740 R08: 0000000000000000 R09: 0000000000000000
[  316.989230][ T6984] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91270d
[  316.989231][ T6984] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd87ed9eb0
| [  344.206471][ T7932] softirqs last disabled at (30754): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  344.206474][ T7932] Preemption disabled at:
| [  344.206474][ T7932] vprintk_emit (kernel/printk/printk.c:2471)
| [  344.206483][ T7932] Tainted: [W]=WARN
[  344.206484][ T7932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  344.206485][ T7932] Call Trace:
[  344.206487][ T7932]  <TASK>
[  344.206489][ T7932]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  344.206494][ T7932]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  344.206496][ T7932]  __might_resched.cold (kernel/sched/core.c:9234)
[  344.206500][ T7932]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  344.206505][ T7932]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  344.206509][ T7932]  __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))
[  344.206511][ T7932]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  344.206518][ T7932]  ? 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)
[  344.206520][ T7932]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  344.206524][ T7932]  put_chars (drivers/char/virtio_console.c:1176)
[  344.206527][ T7932]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  344.206533][ T7932]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  344.206541][ T7932]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  344.206544][ T7932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  344.206548][ T7932]  console_emit_next_record (kernel/printk/printk.c:3183)
[  344.206553][ T7932]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  344.206554][ T7932]  ? 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))
[  344.206558][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206560][ T7932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  344.206564][ T7932]  console_flush_one_record (kernel/printk/printk.c:3268)
[  344.206569][ T7932]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  344.206571][ T7932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.206576][ T7932]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  344.206579][ T7932]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  344.206581][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206582][ T7932]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  344.206586][ T7932]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  344.206588][ T7932]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  344.206591][ T7932]  vprintk_emit (kernel/printk/printk.c:2479)
[  344.206594][ T7932]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  344.206596][ T7932]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  344.206602][ T7932]  _printk (kernel/printk/printk.c:2504)
[  344.206605][ T7932]  ? snapshot_read.cold (user.c:?)
[  344.206607][ T7932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  344.206609][ T7932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  344.206612][ T7932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  344.206615][ T7932]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  344.206618][ T7932]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  344.206621][ T7932]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  344.206623][ T7932]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  344.206626][ T7932]  ? netdev_notice (net/core/dev.c:13194)
[  344.206629][ T7932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  344.206632][ T7932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  344.206635][ T7932]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  344.206638][ T7932]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  344.206640][ T7932]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  344.206642][ T7932]  ? register_netdev (net/core/dev.c:11618)
[  344.206644][ T7932]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  344.206649][ T7932]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  344.206652][ T7932]  ? __kernel_text_address (kernel/extable.c:79)
[  344.206654][ T7932]  ? write_profile (profile.c:?)
[  344.206658][ T7932]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  344.206664][ T7932]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  344.206667][ T7932]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  344.206669][ T7932]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  344.206670][ T7932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  344.206672][ T7932]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  344.206676][ T7932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  344.206677][ T7932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  344.206679][ T7932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  344.206682][ T7932]  ? kasan_save_stack (mm/kasan/common.c:58)
[  344.206684][ T7932]  ? kasan_save_stack (mm/kasan/common.c:57)
[  344.206685][ T7932]  ? kasan_save_track (mm/kasan/common.c:78)
[  344.206686][ T7932]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  344.206688][ T7932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.206690][ T7932]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  344.206693][ T7932]  ? ___sys_sendmsg (net/socket.c:2758)
[  344.206697][ T7932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  344.206699][ T7932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  344.206702][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206704][ T7932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  344.206705][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206706][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206708][ T7932]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  344.206710][ T7932]  ? __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)
[  344.206711][ T7932]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  344.206713][ T7932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  344.206717][ T7932]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  344.206718][ T7932]  ? nla_get_range_signed (lib/nlattr.c:270)
[  344.206723][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206725][ T7932]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  344.206730][ T7932]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  344.206735][ T7932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  344.206737][ T7932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.206742][ T7932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  344.206744][ T7932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  344.206745][ T7932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  344.206747][ T7932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  344.206751][ T7932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  344.206753][ T7932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  344.206756][ T7932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  344.206758][ T7932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.206762][ T7932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  344.206764][ T7932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  344.206767][ T7932]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  344.206771][ T7932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  344.206774][ T7932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  344.206780][ T7932]  ? 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))
[  344.206782][ T7932]  ? 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))
[  344.206787][ T7932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  344.206791][ T7932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  344.206793][ T7932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  344.206797][ T7932]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  344.206801][ T7932]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  344.206805][ T7932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  344.206807][ T7932]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  344.206812][ T7932]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  344.206815][ T7932]  ____sys_sendmsg (net/socket.c:2713)
[  344.206817][ T7932]  ? copy_msghdr_from_user (net/socket.c:2650)
[  344.206820][ T7932]  ? sock_write_iter (net/socket.c:1269)
[  344.206821][ T7932]  ? move_addr_to_kernel (net/socket.c:258)
[  344.206829][ T7932]  ___sys_sendmsg (net/socket.c:2767)
[  344.206832][ T7932]  ? copy_msghdr_from_user (net/socket.c:2619)
[  344.206848][ T7932]  __sys_sendmsg (net/socket.c:2799)
[  344.206850][ T7932]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  344.206861][ T7932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.206864][ T7932]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  344.206867][ T7932]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  344.206870][ T7932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  344.206872][ T7932] RIP: 0033:0x7f77bd68354e
[  344.206876][ T7932] 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
[  344.206878][ T7932] RSP: 002b:00007ffc5add5b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  344.206881][ T7932] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f77bd68354e
[  344.206883][ T7932] RDX: 0000000000000000 RSI: 00007ffc5add5c20 RDI: 0000000000000005
[  344.206884][ T7932] RBP: 00007ffc5add5b80 R08: 0000000000000000 R09: 0000000000000000
[  344.206884][ T7932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912728
[  344.206885][ T7932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5add62f0
| [  352.694102][ T8140] softirqs last disabled at (30420): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  352.694106][ T8140] Preemption disabled at:
| [  352.694107][ T8140] vprintk_emit (kernel/printk/printk.c:2471)
| [  352.694119][ T8140] Tainted: [W]=WARN
[  352.694121][ T8140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  352.694123][ T8140] Call Trace:
[  352.694125][ T8140]  <TASK>
[  352.694128][ T8140]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  352.694135][ T8140]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  352.694138][ T8140]  __might_resched.cold (kernel/sched/core.c:9234)
[  352.694144][ T8140]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.694150][ T8140]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  352.694157][ T8140]  __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))
[  352.694161][ T8140]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.694174][ T8140]  ? 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)
[  352.694178][ T8140]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.694184][ T8140]  put_chars (drivers/char/virtio_console.c:1176)
[  352.694189][ T8140]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  352.694201][ T8140]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  352.694214][ T8140]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  352.694220][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.694228][ T8140]  console_emit_next_record (kernel/printk/printk.c:3183)
[  352.694235][ T8140]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  352.694238][ T8140]  ? 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))
[  352.694244][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694248][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.694255][ T8140]  console_flush_one_record (kernel/printk/printk.c:3268)
[  352.694263][ T8140]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  352.694265][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.694276][ T8140]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  352.694280][ T8140]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  352.694283][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694287][ T8140]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  352.694294][ T8140]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  352.694296][ T8140]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  352.694302][ T8140]  vprintk_emit (kernel/printk/printk.c:2479)
[  352.694308][ T8140]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  352.694313][ T8140]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  352.694321][ T8140]  _printk (kernel/printk/printk.c:2504)
[  352.694327][ T8140]  ? snapshot_read.cold (user.c:?)
[  352.694330][ T8140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  352.694335][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.694339][ T8140]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.694343][ T8140]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  352.694348][ T8140]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  352.694353][ T8140]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  352.694356][ T8140]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  352.694361][ T8140]  ? netdev_notice (net/core/dev.c:13194)
[  352.694365][ T8140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.694370][ T8140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.694374][ T8140]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  352.694380][ T8140]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  352.694383][ T8140]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  352.694387][ T8140]  ? register_netdev (net/core/dev.c:11618)
[  352.694389][ T8140]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  352.694397][ T8140]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  352.694401][ T8140]  ? __kernel_text_address (kernel/extable.c:79)
[  352.694405][ T8140]  ? write_profile (profile.c:?)
[  352.694410][ T8140]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  352.694419][ T8140]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  352.694425][ T8140]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  352.694428][ T8140]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  352.694430][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  352.694433][ T8140]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  352.694437][ T8140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  352.694441][ T8140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.694444][ T8140]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.694448][ T8140]  ? kasan_save_stack (mm/kasan/common.c:58)
[  352.694451][ T8140]  ? kasan_save_stack (mm/kasan/common.c:57)
[  352.694453][ T8140]  ? kasan_save_track (mm/kasan/common.c:78)
[  352.694456][ T8140]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  352.694460][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.694463][ T8140]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  352.694468][ T8140]  ? ___sys_sendmsg (net/socket.c:2758)
[  352.694475][ T8140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.694478][ T8140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  352.694483][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694486][ T8140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.694489][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694491][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694494][ T8140]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  352.694498][ T8140]  ? __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)
[  352.694500][ T8140]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  352.694503][ T8140]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  352.694510][ T8140]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  352.694512][ T8140]  ? nla_get_range_signed (lib/nlattr.c:270)
[  352.694520][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694524][ T8140]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  352.694535][ T8140]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  352.694545][ T8140]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  352.694549][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.694557][ T8140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.694560][ T8140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.694564][ T8140]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  352.694567][ T8140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.694574][ T8140]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  352.694578][ T8140]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  352.694584][ T8140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  352.694586][ T8140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.694593][ T8140]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.694596][ T8140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.694602][ T8140]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  352.694607][ T8140]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  352.694611][ T8140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  352.694623][ T8140]  ? 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))
[  352.694625][ T8140]  ? 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))
[  352.694633][ T8140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  352.694639][ T8140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  352.694643][ T8140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.694651][ T8140]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  352.694657][ T8140]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  352.694664][ T8140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.694667][ T8140]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  352.694676][ T8140]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  352.694681][ T8140]  ____sys_sendmsg (net/socket.c:2713)
[  352.694685][ T8140]  ? copy_msghdr_from_user (net/socket.c:2650)
[  352.694689][ T8140]  ? sock_write_iter (net/socket.c:1269)
[  352.694691][ T8140]  ? move_addr_to_kernel (net/socket.c:258)
[  352.694706][ T8140]  ___sys_sendmsg (net/socket.c:2767)
[  352.694711][ T8140]  ? copy_msghdr_from_user (net/socket.c:2619)
[  352.694743][ T8140]  __sys_sendmsg (net/socket.c:2799)
[  352.694748][ T8140]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  352.694760][ T8140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.694766][ T8140]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  352.694771][ T8140]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  352.694775][ T8140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  352.694779][ T8140] RIP: 0033:0x7faf8d53054e
[  352.694784][ T8140] 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
[  352.694787][ T8140] RSP: 002b:00007fff50a4c7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  352.694791][ T8140] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faf8d53054e
[  352.694793][ T8140] RDX: 0000000000000000 RSI: 00007fff50a4c890 RDI: 0000000000000005
[  352.694794][ T8140] RBP: 00007fff50a4c7f0 R08: 0000000000000000 R09: 0000000000000000
[  352.694796][ T8140] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912731
[  352.694797][ T8140] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff50a4cf60
| [  362.430740][ T8412] softirqs last disabled at (33774): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  362.430743][ T8412] Preemption disabled at:
| [  362.430744][ T8412] vprintk_emit (kernel/printk/printk.c:2471)
| [  362.430752][ T8412] Tainted: [W]=WARN
[  362.430753][ T8412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  362.430755][ T8412] Call Trace:
[  362.430756][ T8412]  <TASK>
[  362.430758][ T8412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  362.430764][ T8412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  362.430766][ T8412]  __might_resched.cold (kernel/sched/core.c:9234)
[  362.430770][ T8412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  362.430775][ T8412]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  362.430779][ T8412]  __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))
[  362.430781][ T8412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  362.430788][ T8412]  ? 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)
[  362.430791][ T8412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  362.430795][ T8412]  put_chars (drivers/char/virtio_console.c:1176)
[  362.430797][ T8412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  362.430803][ T8412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  362.430811][ T8412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  362.430814][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  362.430819][ T8412]  console_emit_next_record (kernel/printk/printk.c:3183)
[  362.430823][ T8412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  362.430825][ T8412]  ? 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))
[  362.430828][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.430831][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  362.430835][ T8412]  console_flush_one_record (kernel/printk/printk.c:3268)
[  362.430839][ T8412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  362.430841][ T8412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  362.430847][ T8412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  362.430850][ T8412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  362.430851][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.430853][ T8412]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  362.430857][ T8412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  362.430859][ T8412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  362.430862][ T8412]  vprintk_emit (kernel/printk/printk.c:2479)
[  362.430865][ T8412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  362.430868][ T8412]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  362.430873][ T8412]  _printk (kernel/printk/printk.c:2504)
[  362.430876][ T8412]  ? snapshot_read.cold (user.c:?)
[  362.430878][ T8412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  362.430881][ T8412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  362.430884][ T8412]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  362.430887][ T8412]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  362.430892][ T8412]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  362.430897][ T8412]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  362.430900][ T8412]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  362.430903][ T8412]  ? netdev_notice (net/core/dev.c:13194)
[  362.430906][ T8412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  362.430909][ T8412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  362.430912][ T8412]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  362.430915][ T8412]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  362.430917][ T8412]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  362.430920][ T8412]  ? register_netdev (net/core/dev.c:11618)
[  362.430921][ T8412]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  362.430927][ T8412]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  362.430929][ T8412]  ? __kernel_text_address (kernel/extable.c:79)
[  362.430932][ T8412]  ? write_profile (profile.c:?)
[  362.430936][ T8412]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  362.430942][ T8412]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  362.430945][ T8412]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  362.430947][ T8412]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  362.430949][ T8412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  362.430951][ T8412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  362.430954][ T8412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  362.430956][ T8412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  362.430958][ T8412]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  362.430960][ T8412]  ? kasan_save_stack (mm/kasan/common.c:58)
[  362.430962][ T8412]  ? kasan_save_stack (mm/kasan/common.c:57)
[  362.430964][ T8412]  ? kasan_save_track (mm/kasan/common.c:78)
[  362.430965][ T8412]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  362.430967][ T8412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  362.430969][ T8412]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  362.430972][ T8412]  ? ___sys_sendmsg (net/socket.c:2758)
[  362.430976][ T8412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  362.430983][ T8412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  362.430986][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.430988][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  362.430989][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.430990][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.430992][ T8412]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  362.430994][ T8412]  ? __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)
[  362.430996][ T8412]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  362.430998][ T8412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  362.431001][ T8412]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  362.431002][ T8412]  ? nla_get_range_signed (lib/nlattr.c:270)
[  362.431007][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.431010][ T8412]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  362.431015][ T8412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  362.431020][ T8412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  362.431023][ T8412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  362.431027][ T8412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  362.431029][ T8412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  362.431031][ T8412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  362.431033][ T8412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  362.431037][ T8412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  362.431039][ T8412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  362.431042][ T8412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  362.431044][ T8412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  362.431048][ T8412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  362.431050][ T8412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  362.431054][ T8412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  362.431057][ T8412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  362.431060][ T8412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  362.431067][ T8412]  ? 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))
[  362.431069][ T8412]  ? 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))
[  362.431074][ T8412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  362.431078][ T8412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  362.431081][ T8412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  362.431085][ T8412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  362.431089][ T8412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  362.431093][ T8412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  362.431095][ T8412]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  362.431100][ T8412]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  362.431103][ T8412]  ____sys_sendmsg (net/socket.c:2713)
[  362.431106][ T8412]  ? copy_msghdr_from_user (net/socket.c:2650)
[  362.431108][ T8412]  ? sock_write_iter (net/socket.c:1269)
[  362.431110][ T8412]  ? move_addr_to_kernel (net/socket.c:258)
[  362.431117][ T8412]  ___sys_sendmsg (net/socket.c:2767)
[  362.431120][ T8412]  ? copy_msghdr_from_user (net/socket.c:2619)
[  362.431136][ T8412]  __sys_sendmsg (net/socket.c:2799)
[  362.431139][ T8412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  362.431146][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.431149][ T8412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  362.431152][ T8412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  362.431155][ T8412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  362.431157][ T8412] RIP: 0033:0x7f849e93654e
[  362.431161][ T8412] 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
[  362.431163][ T8412] RSP: 002b:00007ffefbe79a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  362.431166][ T8412] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f849e93654e
[  362.431167][ T8412] RDX: 0000000000000000 RSI: 00007ffefbe79b30 RDI: 0000000000000005
[  362.431168][ T8412] RBP: 00007ffefbe79a90 R08: 0000000000000000 R09: 0000000000000000
[  362.431169][ T8412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91273a
[  362.431170][ T8412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefbe7a200
| [  371.153674][ T8550] softirqs last disabled at (31090): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  371.153677][ T8550] Preemption disabled at:
| [  371.153677][ T8550] vprintk_emit (kernel/printk/printk.c:2471)
| [  371.153686][ T8550] Tainted: [W]=WARN
[  371.153687][ T8550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  371.153689][ T8550] Call Trace:
[  371.153690][ T8550]  <TASK>
[  371.153692][ T8550]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  371.153698][ T8550]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  371.153699][ T8550]  __might_resched.cold (kernel/sched/core.c:9234)
[  371.153704][ T8550]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  371.153708][ T8550]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  371.153713][ T8550]  __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))
[  371.153715][ T8550]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  371.153722][ T8550]  ? 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)
[  371.153725][ T8550]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  371.153728][ T8550]  put_chars (drivers/char/virtio_console.c:1176)
[  371.153731][ T8550]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  371.153737][ T8550]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  371.153745][ T8550]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  371.153748][ T8550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.153753][ T8550]  console_emit_next_record (kernel/printk/printk.c:3183)
[  371.153757][ T8550]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  371.153759][ T8550]  ? 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))
[  371.153762][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.153765][ T8550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.153769][ T8550]  console_flush_one_record (kernel/printk/printk.c:3268)
[  371.153773][ T8550]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  371.153775][ T8550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  371.153781][ T8550]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  371.153783][ T8550]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  371.153785][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.153787][ T8550]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  371.153791][ T8550]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  371.153793][ T8550]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  371.153795][ T8550]  vprintk_emit (kernel/printk/printk.c:2479)
[  371.153798][ T8550]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  371.153801][ T8550]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  371.153806][ T8550]  _printk (kernel/printk/printk.c:2504)
[  371.153810][ T8550]  ? snapshot_read.cold (user.c:?)
[  371.153812][ T8550]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  371.153814][ T8550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  371.153817][ T8550]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  371.153819][ T8550]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  371.153823][ T8550]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  371.153826][ T8550]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  371.153828][ T8550]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  371.153831][ T8550]  ? netdev_notice (net/core/dev.c:13194)
[  371.153834][ T8550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  371.153838][ T8550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  371.153840][ T8550]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  371.153844][ T8550]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  371.153846][ T8550]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  371.153848][ T8550]  ? register_netdev (net/core/dev.c:11618)
[  371.153849][ T8550]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  371.153855][ T8550]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  371.153857][ T8550]  ? __kernel_text_address (kernel/extable.c:79)
[  371.153860][ T8550]  ? write_profile (profile.c:?)
[  371.153864][ T8550]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  371.153870][ T8550]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  371.153873][ T8550]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  371.153875][ T8550]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  371.153877][ T8550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  371.153879][ T8550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  371.153882][ T8550]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  371.153884][ T8550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  371.153887][ T8550]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  371.153891][ T8550]  ? kasan_save_stack (mm/kasan/common.c:58)
[  371.153894][ T8550]  ? kasan_save_stack (mm/kasan/common.c:57)
[  371.153896][ T8550]  ? kasan_save_track (mm/kasan/common.c:78)
[  371.153898][ T8550]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  371.153901][ T8550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  371.153903][ T8550]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  371.153906][ T8550]  ? ___sys_sendmsg (net/socket.c:2758)
[  371.153910][ T8550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  371.153912][ T8550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  371.153915][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.153917][ T8550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  371.153918][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.153920][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.153921][ T8550]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  371.153924][ T8550]  ? __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)
[  371.153925][ T8550]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  371.153927][ T8550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  371.153930][ T8550]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  371.153931][ T8550]  ? nla_get_range_signed (lib/nlattr.c:270)
[  371.153937][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.153939][ T8550]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  371.153944][ T8550]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  371.153950][ T8550]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  371.153951][ T8550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  371.153956][ T8550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  371.153958][ T8550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  371.153960][ T8550]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  371.153962][ T8550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  371.153966][ T8550]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  371.153968][ T8550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  371.153971][ T8550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  371.153973][ T8550]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  371.153977][ T8550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  371.153979][ T8550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  371.153983][ T8550]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  371.153986][ T8550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  371.153989][ T8550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  371.153995][ T8550]  ? 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))
[  371.153998][ T8550]  ? 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))
[  371.154002][ T8550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  371.154006][ T8550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  371.154009][ T8550]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  371.154013][ T8550]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  371.154017][ T8550]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  371.154021][ T8550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  371.154023][ T8550]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  371.154028][ T8550]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  371.154031][ T8550]  ____sys_sendmsg (net/socket.c:2713)
[  371.154034][ T8550]  ? copy_msghdr_from_user (net/socket.c:2650)
[  371.154036][ T8550]  ? sock_write_iter (net/socket.c:1269)
[  371.154038][ T8550]  ? move_addr_to_kernel (net/socket.c:258)
[  371.154051][ T8550]  ___sys_sendmsg (net/socket.c:2767)
[  371.154054][ T8550]  ? copy_msghdr_from_user (net/socket.c:2619)
[  371.154070][ T8550]  __sys_sendmsg (net/socket.c:2799)
[  371.154073][ T8550]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  371.154080][ T8550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  371.154083][ T8550]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  371.154086][ T8550]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  371.154089][ T8550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  371.154091][ T8550] RIP: 0033:0x7f55bb8f354e
[  371.154096][ T8550] 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
[  371.154098][ T8550] RSP: 002b:00007ffd1d3c5380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  371.154100][ T8550] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f55bb8f354e
[  371.154102][ T8550] RDX: 0000000000000000 RSI: 00007ffd1d3c5430 RDI: 0000000000000005
[  371.154103][ T8550] RBP: 00007ffd1d3c5390 R08: 0000000000000000 R09: 0000000000000000
[  371.154104][ T8550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912743
[  371.154105][ T8550] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1d3c5b00
| [  377.887961][ T8687] softirqs last disabled at (18212): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  377.887964][ T8687] Preemption disabled at:
| [  377.887965][ T8687] vprintk_emit (kernel/printk/printk.c:2471)
| [  377.887974][ T8687] Tainted: [W]=WARN
[  377.887975][ T8687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  377.887976][ T8687] Call Trace:
[  377.887978][ T8687]  <TASK>
[  377.887979][ T8687]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  377.887985][ T8687]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  377.887987][ T8687]  __might_resched.cold (kernel/sched/core.c:9234)
[  377.887992][ T8687]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  377.887996][ T8687]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  377.888001][ T8687]  __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))
[  377.888002][ T8687]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  377.888009][ T8687]  ? 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)
[  377.888012][ T8687]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  377.888016][ T8687]  put_chars (drivers/char/virtio_console.c:1176)
[  377.888019][ T8687]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  377.888025][ T8687]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  377.888033][ T8687]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  377.888036][ T8687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.888041][ T8687]  console_emit_next_record (kernel/printk/printk.c:3183)
[  377.888045][ T8687]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  377.888047][ T8687]  ? 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))
[  377.888050][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888053][ T8687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.888057][ T8687]  console_flush_one_record (kernel/printk/printk.c:3268)
[  377.888061][ T8687]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  377.888063][ T8687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.888069][ T8687]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  377.888072][ T8687]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  377.888074][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888075][ T8687]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  377.888079][ T8687]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  377.888081][ T8687]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  377.888084][ T8687]  vprintk_emit (kernel/printk/printk.c:2479)
[  377.888094][ T8687]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  377.888097][ T8687]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  377.888103][ T8687]  _printk (kernel/printk/printk.c:2504)
[  377.888106][ T8687]  ? snapshot_read.cold (user.c:?)
[  377.888108][ T8687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  377.888111][ T8687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  377.888114][ T8687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  377.888116][ T8687]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  377.888120][ T8687]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  377.888123][ T8687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  377.888125][ T8687]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  377.888128][ T8687]  ? netdev_notice (net/core/dev.c:13194)
[  377.888131][ T8687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.888134][ T8687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.888137][ T8687]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  377.888140][ T8687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  377.888142][ T8687]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  377.888145][ T8687]  ? register_netdev (net/core/dev.c:11618)
[  377.888146][ T8687]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  377.888152][ T8687]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  377.888154][ T8687]  ? __kernel_text_address (kernel/extable.c:79)
[  377.888157][ T8687]  ? write_profile (profile.c:?)
[  377.888161][ T8687]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  377.888167][ T8687]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  377.888170][ T8687]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  377.888176][ T8687]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  377.888177][ T8687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  377.888179][ T8687]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  377.888183][ T8687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  377.888185][ T8687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  377.888186][ T8687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  377.888189][ T8687]  ? kasan_save_stack (mm/kasan/common.c:58)
[  377.888191][ T8687]  ? kasan_save_stack (mm/kasan/common.c:57)
[  377.888192][ T8687]  ? kasan_save_track (mm/kasan/common.c:78)
[  377.888194][ T8687]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  377.888196][ T8687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.888198][ T8687]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  377.888201][ T8687]  ? ___sys_sendmsg (net/socket.c:2758)
[  377.888205][ T8687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.888207][ T8687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  377.888210][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888212][ T8687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.888213][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888214][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888216][ T8687]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  377.888218][ T8687]  ? __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)
[  377.888220][ T8687]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  377.888222][ T8687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  377.888225][ T8687]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  377.888227][ T8687]  ? nla_get_range_signed (lib/nlattr.c:270)
[  377.888231][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888234][ T8687]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  377.888239][ T8687]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  377.888244][ T8687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  377.888246][ T8687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.888251][ T8687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.888253][ T8687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.888255][ T8687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  377.888257][ T8687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.888261][ T8687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  377.888263][ T8687]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  377.888266][ T8687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  377.888267][ T8687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.888272][ T8687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.888274][ T8687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.888278][ T8687]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  377.888281][ T8687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  377.888284][ T8687]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  377.888290][ T8687]  ? 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))
[  377.888292][ T8687]  ? 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))
[  377.888297][ T8687]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  377.888301][ T8687]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  377.888304][ T8687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.888308][ T8687]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  377.888312][ T8687]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  377.888316][ T8687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.888318][ T8687]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  377.888323][ T8687]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  377.888326][ T8687]  ____sys_sendmsg (net/socket.c:2713)
[  377.888328][ T8687]  ? copy_msghdr_from_user (net/socket.c:2650)
[  377.888331][ T8687]  ? sock_write_iter (net/socket.c:1269)
[  377.888332][ T8687]  ? move_addr_to_kernel (net/socket.c:258)
[  377.888340][ T8687]  ___sys_sendmsg (net/socket.c:2767)
[  377.888343][ T8687]  ? copy_msghdr_from_user (net/socket.c:2619)
[  377.888359][ T8687]  __sys_sendmsg (net/socket.c:2799)
[  377.888362][ T8687]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  377.888368][ T8687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.888371][ T8687]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  377.888375][ T8687]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  377.888378][ T8687]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  377.888380][ T8687] RIP: 0033:0x7fee909ed54e
[  377.888384][ T8687] 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
[  377.888386][ T8687] RSP: 002b:00007fffeec3ecd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  377.888389][ T8687] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fee909ed54e
[  377.888390][ T8687] RDX: 0000000000000000 RSI: 00007fffeec3ed80 RDI: 0000000000000005
[  377.888391][ T8687] RBP: 00007fffeec3ece0 R08: 0000000000000000 R09: 0000000000000000
[  377.888392][ T8687] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91274a
[  377.888393][ T8687] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeec3f450
| [  386.749120][ T8830] softirqs last disabled at (28852): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  386.749123][ T8830] Preemption disabled at:
| [  386.749124][ T8830] vprintk_emit (kernel/printk/printk.c:2471)
| [  386.749133][ T8830] Tainted: [W]=WARN
[  386.749134][ T8830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  386.749135][ T8830] Call Trace:
[  386.749137][ T8830]  <TASK>
[  386.749139][ T8830]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  386.749145][ T8830]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  386.749153][ T8830]  __might_resched.cold (kernel/sched/core.c:9234)
[  386.749158][ T8830]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  386.749162][ T8830]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  386.749166][ T8830]  __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))
[  386.749168][ T8830]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  386.749178][ T8830]  ? 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)
[  386.749181][ T8830]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  386.749185][ T8830]  put_chars (drivers/char/virtio_console.c:1176)
[  386.749187][ T8830]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  386.749194][ T8830]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  386.749202][ T8830]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  386.749205][ T8830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.749210][ T8830]  console_emit_next_record (kernel/printk/printk.c:3183)
[  386.749214][ T8830]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  386.749216][ T8830]  ? 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))
[  386.749219][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749222][ T8830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.749226][ T8830]  console_flush_one_record (kernel/printk/printk.c:3268)
[  386.749230][ T8830]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  386.749232][ T8830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.749237][ T8830]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  386.749240][ T8830]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  386.749242][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749244][ T8830]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  386.749248][ T8830]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  386.749250][ T8830]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  386.749253][ T8830]  vprintk_emit (kernel/printk/printk.c:2479)
[  386.749256][ T8830]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  386.749259][ T8830]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  386.749264][ T8830]  _printk (kernel/printk/printk.c:2504)
[  386.749267][ T8830]  ? snapshot_read.cold (user.c:?)
[  386.749269][ T8830]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  386.749272][ T8830]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  386.749274][ T8830]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  386.749277][ T8830]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  386.749281][ T8830]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  386.749283][ T8830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  386.749286][ T8830]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  386.749289][ T8830]  ? netdev_notice (net/core/dev.c:13194)
[  386.749291][ T8830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  386.749295][ T8830]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  386.749297][ T8830]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  386.749301][ T8830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  386.749303][ T8830]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  386.749306][ T8830]  ? register_netdev (net/core/dev.c:11618)
[  386.749307][ T8830]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  386.749312][ T8830]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  386.749315][ T8830]  ? __kernel_text_address (kernel/extable.c:79)
[  386.749318][ T8830]  ? write_profile (profile.c:?)
[  386.749322][ T8830]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  386.749327][ T8830]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  386.749331][ T8830]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  386.749333][ T8830]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  386.749334][ T8830]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  386.749336][ T8830]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  386.749340][ T8830]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  386.749342][ T8830]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  386.749344][ T8830]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  386.749346][ T8830]  ? kasan_save_stack (mm/kasan/common.c:58)
[  386.749348][ T8830]  ? kasan_save_stack (mm/kasan/common.c:57)
[  386.749349][ T8830]  ? kasan_save_track (mm/kasan/common.c:78)
[  386.749351][ T8830]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  386.749353][ T8830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.749355][ T8830]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  386.749359][ T8830]  ? ___sys_sendmsg (net/socket.c:2758)
[  386.749363][ T8830]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  386.749365][ T8830]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  386.749367][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749369][ T8830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  386.749371][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749372][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749373][ T8830]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  386.749376][ T8830]  ? __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)
[  386.749377][ T8830]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  386.749379][ T8830]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  386.749383][ T8830]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  386.749384][ T8830]  ? nla_get_range_signed (lib/nlattr.c:270)
[  386.749389][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749391][ T8830]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  386.749396][ T8830]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  386.749402][ T8830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  386.749404][ T8830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.749408][ T8830]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  386.749410][ T8830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  386.749412][ T8830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  386.749414][ T8830]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  386.749418][ T8830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  386.749420][ T8830]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  386.749423][ T8830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  386.749425][ T8830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  386.749429][ T8830]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  386.749431][ T8830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  386.749435][ T8830]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  386.749438][ T8830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  386.749441][ T8830]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  386.749448][ T8830]  ? 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))
[  386.749450][ T8830]  ? 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))
[  386.749454][ T8830]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  386.749458][ T8830]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  386.749461][ T8830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  386.749466][ T8830]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  386.749470][ T8830]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  386.749473][ T8830]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  386.749475][ T8830]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  386.749481][ T8830]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  386.749483][ T8830]  ____sys_sendmsg (net/socket.c:2713)
[  386.749486][ T8830]  ? copy_msghdr_from_user (net/socket.c:2650)
[  386.749488][ T8830]  ? sock_write_iter (net/socket.c:1269)
[  386.749490][ T8830]  ? move_addr_to_kernel (net/socket.c:258)
[  386.749497][ T8830]  ___sys_sendmsg (net/socket.c:2767)
[  386.749500][ T8830]  ? copy_msghdr_from_user (net/socket.c:2619)
[  386.749516][ T8830]  __sys_sendmsg (net/socket.c:2799)
[  386.749519][ T8830]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  386.749526][ T8830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  386.749529][ T8830]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  386.749532][ T8830]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  386.749535][ T8830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  386.749537][ T8830] RIP: 0033:0x7fd684eb754e
[  386.749541][ T8830] 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
[  386.749543][ T8830] RSP: 002b:00007fff6e966940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  386.749546][ T8830] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd684eb754e
[  386.749548][ T8830] RDX: 0000000000000000 RSI: 00007fff6e9669f0 RDI: 0000000000000005
[  386.749549][ T8830] RBP: 00007fff6e966950 R08: 0000000000000000 R09: 0000000000000000
[  386.749550][ T8830] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912753
[  386.749550][ T8830] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6e9670c0
| [  395.604845][ T8973] softirqs last disabled at (28468): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  395.604847][ T8973] Preemption disabled at:
| [  395.604848][ T8973] vprintk_emit (kernel/printk/printk.c:2471)
| [  395.604856][ T8973] Tainted: [W]=WARN
[  395.604857][ T8973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  395.604859][ T8973] Call Trace:
[  395.604860][ T8973]  <TASK>
[  395.604862][ T8973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  395.604868][ T8973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  395.604869][ T8973]  __might_resched.cold (kernel/sched/core.c:9234)
[  395.604874][ T8973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  395.604878][ T8973]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  395.604883][ T8973]  __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))
[  395.604884][ T8973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  395.604894][ T8973]  ? 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)
[  395.604898][ T8973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  395.604902][ T8973]  put_chars (drivers/char/virtio_console.c:1176)
[  395.604905][ T8973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  395.604911][ T8973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  395.604919][ T8973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  395.604922][ T8973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.604926][ T8973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  395.604931][ T8973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  395.604932][ T8973]  ? 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))
[  395.604936][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.604938][ T8973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.604942][ T8973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  395.604947][ T8973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  395.604949][ T8973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.604954][ T8973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  395.604957][ T8973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  395.604959][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.604960][ T8973]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  395.604964][ T8973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  395.604966][ T8973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  395.604969][ T8973]  vprintk_emit (kernel/printk/printk.c:2479)
[  395.604972][ T8973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  395.604975][ T8973]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  395.604980][ T8973]  _printk (kernel/printk/printk.c:2504)
[  395.604983][ T8973]  ? snapshot_read.cold (user.c:?)
[  395.604985][ T8973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  395.604988][ T8973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  395.604991][ T8973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  395.604993][ T8973]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  395.604997][ T8973]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  395.605000][ T8973]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  395.605002][ T8973]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  395.605005][ T8973]  ? netdev_notice (net/core/dev.c:13194)
[  395.605008][ T8973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  395.605011][ T8973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  395.605014][ T8973]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  395.605017][ T8973]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  395.605019][ T8973]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  395.605022][ T8973]  ? register_netdev (net/core/dev.c:11618)
[  395.605023][ T8973]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  395.605028][ T8973]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  395.605031][ T8973]  ? __kernel_text_address (kernel/extable.c:79)
[  395.605034][ T8973]  ? write_profile (profile.c:?)
[  395.605038][ T8973]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  395.605044][ T8973]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  395.605047][ T8973]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  395.605049][ T8973]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  395.605051][ T8973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  395.605053][ T8973]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  395.605056][ T8973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  395.605058][ T8973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  395.605059][ T8973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  395.605062][ T8973]  ? kasan_save_stack (mm/kasan/common.c:58)
[  395.605064][ T8973]  ? kasan_save_stack (mm/kasan/common.c:57)
[  395.605065][ T8973]  ? kasan_save_track (mm/kasan/common.c:78)
[  395.605066][ T8973]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  395.605069][ T8973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.605071][ T8973]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  395.605074][ T8973]  ? ___sys_sendmsg (net/socket.c:2758)
[  395.605078][ T8973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  395.605080][ T8973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  395.605083][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.605084][ T8973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  395.605086][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.605087][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.605089][ T8973]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  395.605091][ T8973]  ? __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)
[  395.605092][ T8973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  395.605094][ T8973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  395.605098][ T8973]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  395.605099][ T8973]  ? nla_get_range_signed (lib/nlattr.c:270)
[  395.605104][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.605106][ T8973]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  395.605111][ T8973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  395.605117][ T8973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  395.605118][ T8973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.605123][ T8973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  395.605125][ T8973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  395.605127][ T8973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  395.605129][ T8973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  395.605133][ T8973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  395.605135][ T8973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  395.605138][ T8973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  395.605139][ T8973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  395.605144][ T8973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  395.605146][ T8973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  395.605149][ T8973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  395.605153][ T8973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  395.605156][ T8973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  395.605162][ T8973]  ? 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))
[  395.605164][ T8973]  ? 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))
[  395.605169][ T8973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  395.605176][ T8973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  395.605179][ T8973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  395.605183][ T8973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  395.605187][ T8973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  395.605191][ T8973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  395.605193][ T8973]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  395.605198][ T8973]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  395.605201][ T8973]  ____sys_sendmsg (net/socket.c:2713)
[  395.605203][ T8973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  395.605205][ T8973]  ? sock_write_iter (net/socket.c:1269)
[  395.605211][ T8973]  ? move_addr_to_kernel (net/socket.c:258)
[  395.605219][ T8973]  ___sys_sendmsg (net/socket.c:2767)
[  395.605221][ T8973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  395.605237][ T8973]  __sys_sendmsg (net/socket.c:2799)
[  395.605240][ T8973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  395.605247][ T8973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  395.605250][ T8973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  395.605253][ T8973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  395.605256][ T8973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  395.605258][ T8973] RIP: 0033:0x7f1e681bf54e
[  395.605262][ T8973] 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
[  395.605264][ T8973] RSP: 002b:00007ffd0beac2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  395.605267][ T8973] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1e681bf54e
[  395.605268][ T8973] RDX: 0000000000000000 RSI: 00007ffd0beac370 RDI: 0000000000000005
[  395.605269][ T8973] RBP: 00007ffd0beac2d0 R08: 0000000000000000 R09: 0000000000000000
[  395.605270][ T8973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91275b
[  395.605271][ T8973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0beaca40
| [  404.453907][ T9116] softirqs last disabled at (22038): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  404.453910][ T9116] Preemption disabled at:
| [  404.453911][ T9116] vprintk_emit (kernel/printk/printk.c:2471)
| [  404.453919][ T9116] Tainted: [W]=WARN
[  404.453920][ T9116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  404.453921][ T9116] Call Trace:
[  404.453923][ T9116]  <TASK>
[  404.453925][ T9116]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  404.453930][ T9116]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  404.453932][ T9116]  __might_resched.cold (kernel/sched/core.c:9234)
[  404.453937][ T9116]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  404.453941][ T9116]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  404.453946][ T9116]  __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))
[  404.453947][ T9116]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  404.453954][ T9116]  ? 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)
[  404.453957][ T9116]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  404.453961][ T9116]  put_chars (drivers/char/virtio_console.c:1176)
[  404.453963][ T9116]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  404.453970][ T9116]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  404.453977][ T9116]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  404.453980][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.453985][ T9116]  console_emit_next_record (kernel/printk/printk.c:3183)
[  404.453989][ T9116]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  404.453991][ T9116]  ? 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))
[  404.453994][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.453997][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.454001][ T9116]  console_flush_one_record (kernel/printk/printk.c:3268)
[  404.454005][ T9116]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  404.454007][ T9116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.454012][ T9116]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  404.454015][ T9116]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  404.454017][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.454019][ T9116]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  404.454023][ T9116]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  404.454025][ T9116]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  404.454027][ T9116]  vprintk_emit (kernel/printk/printk.c:2479)
[  404.454031][ T9116]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  404.454033][ T9116]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  404.454039][ T9116]  _printk (kernel/printk/printk.c:2504)
[  404.454043][ T9116]  ? snapshot_read.cold (user.c:?)
[  404.454045][ T9116]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  404.454047][ T9116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  404.454050][ T9116]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  404.454052][ T9116]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  404.454056][ T9116]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  404.454059][ T9116]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  404.454061][ T9116]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  404.454064][ T9116]  ? netdev_notice (net/core/dev.c:13194)
[  404.454067][ T9116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  404.454070][ T9116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  404.454073][ T9116]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  404.454076][ T9116]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  404.454079][ T9116]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  404.454081][ T9116]  ? register_netdev (net/core/dev.c:11618)
[  404.454082][ T9116]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  404.454088][ T9116]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  404.454090][ T9116]  ? __kernel_text_address (kernel/extable.c:79)
[  404.454093][ T9116]  ? write_profile (profile.c:?)
[  404.454097][ T9116]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  404.454102][ T9116]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  404.454106][ T9116]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  404.454108][ T9116]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  404.454109][ T9116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  404.454111][ T9116]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  404.454115][ T9116]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  404.454117][ T9116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  404.454119][ T9116]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  404.454121][ T9116]  ? kasan_save_stack (mm/kasan/common.c:58)
[  404.454123][ T9116]  ? kasan_save_stack (mm/kasan/common.c:57)
[  404.454124][ T9116]  ? kasan_save_track (mm/kasan/common.c:78)
[  404.454126][ T9116]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  404.454128][ T9116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.454130][ T9116]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  404.454133][ T9116]  ? ___sys_sendmsg (net/socket.c:2758)
[  404.454137][ T9116]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  404.454139][ T9116]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  404.454142][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.454144][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.454145][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.454147][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.454149][ T9116]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  404.454151][ T9116]  ? __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)
[  404.454152][ T9116]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  404.454154][ T9116]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  404.454158][ T9116]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  404.454159][ T9116]  ? nla_get_range_signed (lib/nlattr.c:270)
[  404.454164][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.454166][ T9116]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  404.454174][ T9116]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  404.454180][ T9116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  404.454182][ T9116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.454186][ T9116]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  404.454188][ T9116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  404.454190][ T9116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  404.454192][ T9116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  404.454196][ T9116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  404.454198][ T9116]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  404.454201][ T9116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  404.454203][ T9116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.454207][ T9116]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  404.454209][ T9116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  404.454213][ T9116]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  404.454216][ T9116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  404.454219][ T9116]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  404.454226][ T9116]  ? 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))
[  404.454228][ T9116]  ? 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))
[  404.454232][ T9116]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  404.454236][ T9116]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  404.454239][ T9116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  404.454243][ T9116]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  404.454247][ T9116]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  404.454251][ T9116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  404.454253][ T9116]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  404.454258][ T9116]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  404.454261][ T9116]  ____sys_sendmsg (net/socket.c:2713)
[  404.454264][ T9116]  ? copy_msghdr_from_user (net/socket.c:2650)
[  404.454266][ T9116]  ? sock_write_iter (net/socket.c:1269)
[  404.454273][ T9116]  ? move_addr_to_kernel (net/socket.c:258)
[  404.454281][ T9116]  ___sys_sendmsg (net/socket.c:2767)
[  404.454284][ T9116]  ? copy_msghdr_from_user (net/socket.c:2619)
[  404.454300][ T9116]  __sys_sendmsg (net/socket.c:2799)
[  404.454303][ T9116]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  404.454309][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.454313][ T9116]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  404.454316][ T9116]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  404.454319][ T9116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  404.454321][ T9116] RIP: 0033:0x7f71a773754e
[  404.454325][ T9116] 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
[  404.454327][ T9116] RSP: 002b:00007ffe7d905530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  404.454329][ T9116] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f71a773754e
[  404.454331][ T9116] RDX: 0000000000000000 RSI: 00007ffe7d9055e0 RDI: 0000000000000005
[  404.454332][ T9116] RBP: 00007ffe7d905540 R08: 0000000000000000 R09: 0000000000000000
[  404.454332][ T9116] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912764
[  404.454333][ T9116] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7d905cb0
| [  413.299992][ T9259] softirqs last disabled at (24382): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  413.299995][ T9259] Preemption disabled at:
| [  413.299995][ T9259] vprintk_emit (kernel/printk/printk.c:2471)
| [  413.300004][ T9259] Tainted: [W]=WARN
[  413.300005][ T9259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  413.300006][ T9259] Call Trace:
[  413.300008][ T9259]  <TASK>
[  413.300010][ T9259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  413.300016][ T9259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  413.300017][ T9259]  __might_resched.cold (kernel/sched/core.c:9234)
[  413.300022][ T9259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  413.300027][ T9259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  413.300031][ T9259]  __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))
[  413.300033][ T9259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  413.300040][ T9259]  ? 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)
[  413.300043][ T9259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  413.300047][ T9259]  put_chars (drivers/char/virtio_console.c:1176)
[  413.300050][ T9259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  413.300057][ T9259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  413.300065][ T9259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  413.300068][ T9259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  413.300073][ T9259]  console_emit_next_record (kernel/printk/printk.c:3183)
[  413.300077][ T9259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  413.300079][ T9259]  ? 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))
[  413.300082][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300085][ T9259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  413.300089][ T9259]  console_flush_one_record (kernel/printk/printk.c:3268)
[  413.300094][ T9259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  413.300096][ T9259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  413.300102][ T9259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  413.300105][ T9259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  413.300107][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300108][ T9259]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  413.300112][ T9259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  413.300114][ T9259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  413.300117][ T9259]  vprintk_emit (kernel/printk/printk.c:2479)
[  413.300120][ T9259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  413.300123][ T9259]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  413.300129][ T9259]  _printk (kernel/printk/printk.c:2504)
[  413.300132][ T9259]  ? snapshot_read.cold (user.c:?)
[  413.300134][ T9259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  413.300137][ T9259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  413.300139][ T9259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  413.300142][ T9259]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  413.300146][ T9259]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  413.300149][ T9259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  413.300151][ T9259]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  413.300154][ T9259]  ? netdev_notice (net/core/dev.c:13194)
[  413.300157][ T9259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  413.300161][ T9259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  413.300163][ T9259]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  413.300167][ T9259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  413.300169][ T9259]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  413.300174][ T9259]  ? register_netdev (net/core/dev.c:11618)
[  413.300176][ T9259]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  413.300181][ T9259]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  413.300184][ T9259]  ? __kernel_text_address (kernel/extable.c:79)
[  413.300186][ T9259]  ? write_profile (profile.c:?)
[  413.300191][ T9259]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  413.300197][ T9259]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  413.300200][ T9259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  413.300202][ T9259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  413.300204][ T9259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  413.300206][ T9259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  413.300209][ T9259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  413.300211][ T9259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  413.300213][ T9259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  413.300216][ T9259]  ? kasan_save_stack (mm/kasan/common.c:58)
[  413.300217][ T9259]  ? kasan_save_stack (mm/kasan/common.c:57)
[  413.300219][ T9259]  ? kasan_save_track (mm/kasan/common.c:78)
[  413.300220][ T9259]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  413.300223][ T9259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  413.300225][ T9259]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  413.300228][ T9259]  ? ___sys_sendmsg (net/socket.c:2758)
[  413.300232][ T9259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  413.300234][ T9259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  413.300237][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300239][ T9259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  413.300240][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300241][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300243][ T9259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  413.300245][ T9259]  ? __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)
[  413.300247][ T9259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  413.300249][ T9259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  413.300252][ T9259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  413.300254][ T9259]  ? nla_get_range_signed (lib/nlattr.c:270)
[  413.300259][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300261][ T9259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  413.300267][ T9259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  413.300272][ T9259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  413.300274][ T9259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  413.300279][ T9259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  413.300281][ T9259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  413.300283][ T9259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  413.300285][ T9259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  413.300289][ T9259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  413.300291][ T9259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  413.300294][ T9259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  413.300296][ T9259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  413.300300][ T9259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  413.300302][ T9259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  413.300306][ T9259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  413.300309][ T9259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  413.300312][ T9259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  413.300319][ T9259]  ? 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))
[  413.300321][ T9259]  ? 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))
[  413.300326][ T9259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  413.300334][ T9259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  413.300337][ T9259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  413.300341][ T9259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  413.300345][ T9259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  413.300349][ T9259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  413.300351][ T9259]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  413.300357][ T9259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  413.300360][ T9259]  ____sys_sendmsg (net/socket.c:2713)
[  413.300362][ T9259]  ? copy_msghdr_from_user (net/socket.c:2650)
[  413.300364][ T9259]  ? sock_write_iter (net/socket.c:1269)
[  413.300366][ T9259]  ? move_addr_to_kernel (net/socket.c:258)
[  413.300374][ T9259]  ___sys_sendmsg (net/socket.c:2767)
[  413.300377][ T9259]  ? copy_msghdr_from_user (net/socket.c:2619)
[  413.300393][ T9259]  __sys_sendmsg (net/socket.c:2799)
[  413.300396][ T9259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  413.300402][ T9259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  413.300405][ T9259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  413.300408][ T9259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  413.300411][ T9259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  413.300414][ T9259] RIP: 0033:0x7f83055db54e
[  413.300418][ T9259] 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
[  413.300420][ T9259] RSP: 002b:00007ffff02ab330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  413.300422][ T9259] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f83055db54e
[  413.300424][ T9259] RDX: 0000000000000000 RSI: 00007ffff02ab3e0 RDI: 0000000000000005
[  413.300425][ T9259] RBP: 00007ffff02ab340 R08: 0000000000000000 R09: 0000000000000000
[  413.300426][ T9259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91276d
[  413.300426][ T9259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff02abab0
| [  422.163944][ T9402] softirqs last disabled at (19638): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  422.163946][ T9402] Preemption disabled at:
| [  422.163947][ T9402] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.163956][ T9402] Tainted: [W]=WARN
[  422.163957][ T9402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.163959][ T9402] Call Trace:
[  422.163960][ T9402]  <TASK>
[  422.163962][ T9402]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.163968][ T9402]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.163970][ T9402]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.163975][ T9402]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.163979][ T9402]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  422.163983][ T9402]  __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))
[  422.163985][ T9402]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.163992][ T9402]  ? 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)
[  422.163995][ T9402]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.163999][ T9402]  put_chars (drivers/char/virtio_console.c:1176)
[  422.164002][ T9402]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.164008][ T9402]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.164016][ T9402]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.164019][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.164024][ T9402]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.164028][ T9402]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.164030][ T9402]  ? 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))
[  422.164034][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164037][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.164041][ T9402]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.164045][ T9402]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.164047][ T9402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.164053][ T9402]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.164056][ T9402]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.164058][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164059][ T9402]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  422.164063][ T9402]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.164065][ T9402]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.164068][ T9402]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.164071][ T9402]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.164074][ T9402]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  422.164080][ T9402]  _printk (kernel/printk/printk.c:2504)
[  422.164083][ T9402]  ? snapshot_read.cold (user.c:?)
[  422.164085][ T9402]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.164088][ T9402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.164091][ T9402]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.164093][ T9402]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  422.164097][ T9402]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  422.164100][ T9402]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.164102][ T9402]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  422.164105][ T9402]  ? netdev_notice (net/core/dev.c:13194)
[  422.164108][ T9402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.164112][ T9402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.164114][ T9402]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  422.164118][ T9402]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.164120][ T9402]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  422.164122][ T9402]  ? register_netdev (net/core/dev.c:11618)
[  422.164124][ T9402]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  422.164129][ T9402]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  422.164132][ T9402]  ? __kernel_text_address (kernel/extable.c:79)
[  422.164134][ T9402]  ? write_profile (profile.c:?)
[  422.164139][ T9402]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  422.164145][ T9402]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  422.164148][ T9402]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  422.164150][ T9402]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  422.164152][ T9402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  422.164154][ T9402]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  422.164157][ T9402]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.164159][ T9402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.164161][ T9402]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.164164][ T9402]  ? kasan_save_stack (mm/kasan/common.c:58)
[  422.164166][ T9402]  ? kasan_save_stack (mm/kasan/common.c:57)
[  422.164167][ T9402]  ? kasan_save_track (mm/kasan/common.c:78)
[  422.164168][ T9402]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  422.164171][ T9402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.164176][ T9402]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  422.164179][ T9402]  ? ___sys_sendmsg (net/socket.c:2758)
[  422.164183][ T9402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.164185][ T9402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  422.164188][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164190][ T9402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.164192][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164193][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164195][ T9402]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  422.164197][ T9402]  ? __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)
[  422.164198][ T9402]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  422.164200][ T9402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  422.164204][ T9402]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  422.164205][ T9402]  ? nla_get_range_signed (lib/nlattr.c:270)
[  422.164210][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164213][ T9402]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  422.164218][ T9402]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  422.164224][ T9402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.164226][ T9402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.164230][ T9402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.164232][ T9402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.164234][ T9402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.164236][ T9402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.164240][ T9402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  422.164243][ T9402]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  422.164246][ T9402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  422.164247][ T9402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.164252][ T9402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  422.164254][ T9402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.164258][ T9402]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  422.164261][ T9402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  422.164264][ T9402]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  422.164271][ T9402]  ? 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))
[  422.164273][ T9402]  ? 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))
[  422.164278][ T9402]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  422.164282][ T9402]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  422.164285][ T9402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.164289][ T9402]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  422.164293][ T9402]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  422.164297][ T9402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.164299][ T9402]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  422.164305][ T9402]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  422.164308][ T9402]  ____sys_sendmsg (net/socket.c:2713)
[  422.164310][ T9402]  ? copy_msghdr_from_user (net/socket.c:2650)
[  422.164313][ T9402]  ? sock_write_iter (net/socket.c:1269)
[  422.164314][ T9402]  ? move_addr_to_kernel (net/socket.c:258)
[  422.164322][ T9402]  ___sys_sendmsg (net/socket.c:2767)
[  422.164325][ T9402]  ? copy_msghdr_from_user (net/socket.c:2619)
[  422.164342][ T9402]  __sys_sendmsg (net/socket.c:2799)
[  422.164345][ T9402]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  422.164351][ T9402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.164354][ T9402]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  422.164358][ T9402]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  422.164361][ T9402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  422.164363][ T9402] RIP: 0033:0x7f4033ed054e
[  422.164367][ T9402] 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
[  422.164369][ T9402] RSP: 002b:00007ffcaf1caf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  422.164372][ T9402] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4033ed054e
[  422.164373][ T9402] RDX: 0000000000000000 RSI: 00007ffcaf1cb010 RDI: 0000000000000005
[  422.164374][ T9402] RBP: 00007ffcaf1caf70 R08: 0000000000000000 R09: 0000000000000000
[  422.164375][ T9402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912776
[  422.164376][ T9402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaf1cb6e0
| [  430.975750][ T9545] softirqs last disabled at (17820): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  430.975753][ T9545] Preemption disabled at:
| [  430.975753][ T9545] vprintk_emit (kernel/printk/printk.c:2471)
| [  430.975762][ T9545] Tainted: [W]=WARN
[  430.975763][ T9545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  430.975764][ T9545] Call Trace:
[  430.975766][ T9545]  <TASK>
[  430.975768][ T9545]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  430.975774][ T9545]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  430.975775][ T9545]  __might_resched.cold (kernel/sched/core.c:9234)
[  430.975780][ T9545]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  430.975784][ T9545]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  430.975788][ T9545]  __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))
[  430.975790][ T9545]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  430.975797][ T9545]  ? 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)
[  430.975800][ T9545]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  430.975804][ T9545]  put_chars (drivers/char/virtio_console.c:1176)
[  430.975806][ T9545]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  430.975813][ T9545]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  430.975821][ T9545]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  430.975824][ T9545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  430.975828][ T9545]  console_emit_next_record (kernel/printk/printk.c:3183)
[  430.975832][ T9545]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  430.975834][ T9545]  ? 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))
[  430.975838][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.975840][ T9545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  430.975844][ T9545]  console_flush_one_record (kernel/printk/printk.c:3268)
[  430.975849][ T9545]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  430.975851][ T9545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.975856][ T9545]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  430.975859][ T9545]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  430.975861][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.975863][ T9545]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  430.975866][ T9545]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  430.975868][ T9545]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  430.975871][ T9545]  vprintk_emit (kernel/printk/printk.c:2479)
[  430.975874][ T9545]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  430.975877][ T9545]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  430.975882][ T9545]  _printk (kernel/printk/printk.c:2504)
[  430.975886][ T9545]  ? snapshot_read.cold (user.c:?)
[  430.975889][ T9545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  430.975893][ T9545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  430.975897][ T9545]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  430.975900][ T9545]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  430.975904][ T9545]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  430.975907][ T9545]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  430.975909][ T9545]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  430.975912][ T9545]  ? netdev_notice (net/core/dev.c:13194)
[  430.975915][ T9545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.975918][ T9545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  430.975921][ T9545]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  430.975924][ T9545]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  430.975926][ T9545]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  430.975929][ T9545]  ? register_netdev (net/core/dev.c:11618)
[  430.975930][ T9545]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  430.975935][ T9545]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  430.975938][ T9545]  ? __kernel_text_address (kernel/extable.c:79)
[  430.975940][ T9545]  ? write_profile (profile.c:?)
[  430.975944][ T9545]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  430.975950][ T9545]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  430.975954][ T9545]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  430.975956][ T9545]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  430.975957][ T9545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  430.975959][ T9545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  430.975963][ T9545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  430.975965][ T9545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  430.975966][ T9545]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  430.975969][ T9545]  ? kasan_save_stack (mm/kasan/common.c:58)
[  430.975971][ T9545]  ? kasan_save_stack (mm/kasan/common.c:57)
[  430.975972][ T9545]  ? kasan_save_track (mm/kasan/common.c:78)
[  430.975973][ T9545]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  430.975976][ T9545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.975978][ T9545]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  430.975981][ T9545]  ? ___sys_sendmsg (net/socket.c:2758)
[  430.975985][ T9545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  430.975987][ T9545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  430.975990][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.975991][ T9545]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  430.975993][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.975994][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.975996][ T9545]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  430.975998][ T9545]  ? __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)
[  430.975999][ T9545]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  430.976001][ T9545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  430.976004][ T9545]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  430.976006][ T9545]  ? nla_get_range_signed (lib/nlattr.c:270)
[  430.976011][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.976013][ T9545]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  430.976018][ T9545]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  430.976023][ T9545]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  430.976025][ T9545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.976030][ T9545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  430.976031][ T9545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.976033][ T9545]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  430.976035][ T9545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  430.976039][ T9545]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  430.976041][ T9545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  430.976044][ T9545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  430.976046][ T9545]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  430.976050][ T9545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  430.976052][ T9545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.976055][ T9545]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  430.976059][ T9545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  430.976062][ T9545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  430.976068][ T9545]  ? 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))
[  430.976070][ T9545]  ? 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))
[  430.976075][ T9545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  430.976079][ T9545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  430.976081][ T9545]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  430.976085][ T9545]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  430.976089][ T9545]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  430.976093][ T9545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  430.976095][ T9545]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  430.976100][ T9545]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  430.976103][ T9545]  ____sys_sendmsg (net/socket.c:2713)
[  430.976105][ T9545]  ? copy_msghdr_from_user (net/socket.c:2650)
[  430.976107][ T9545]  ? sock_write_iter (net/socket.c:1269)
[  430.976109][ T9545]  ? move_addr_to_kernel (net/socket.c:258)
[  430.976116][ T9545]  ___sys_sendmsg (net/socket.c:2767)
[  430.976119][ T9545]  ? copy_msghdr_from_user (net/socket.c:2619)
[  430.976135][ T9545]  __sys_sendmsg (net/socket.c:2799)
[  430.976138][ T9545]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  430.976144][ T9545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  430.976147][ T9545]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  430.976150][ T9545]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  430.976153][ T9545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  430.976155][ T9545] RIP: 0033:0x7fe09681654e
[  430.976159][ T9545] 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
[  430.976161][ T9545] RSP: 002b:00007ffd9aa40050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  430.976163][ T9545] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe09681654e
[  430.976165][ T9545] RDX: 0000000000000000 RSI: 00007ffd9aa40100 RDI: 0000000000000005
[  430.976166][ T9545] RBP: 00007ffd9aa40060 R08: 0000000000000000 R09: 0000000000000000
[  430.976166][ T9545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91277f
[  430.976167][ T9545] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9aa407d0
| [  439.856010][ T9687] softirqs last disabled at (16504): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  439.856012][ T9687] Preemption disabled at:
| [  439.856013][ T9687] vprintk_emit (kernel/printk/printk.c:2471)
| [  439.856022][ T9687] Tainted: [W]=WARN
[  439.856023][ T9687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  439.856025][ T9687] Call Trace:
[  439.856027][ T9687]  <TASK>
[  439.856028][ T9687]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  439.856034][ T9687]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  439.856036][ T9687]  __might_resched.cold (kernel/sched/core.c:9234)
[  439.856041][ T9687]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  439.856045][ T9687]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  439.856050][ T9687]  __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))
[  439.856051][ T9687]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  439.856058][ T9687]  ? 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)
[  439.856061][ T9687]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  439.856065][ T9687]  put_chars (drivers/char/virtio_console.c:1176)
[  439.856067][ T9687]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  439.856074][ T9687]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  439.856082][ T9687]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  439.856085][ T9687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.856090][ T9687]  console_emit_next_record (kernel/printk/printk.c:3183)
[  439.856094][ T9687]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  439.856096][ T9687]  ? 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))
[  439.856099][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856102][ T9687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.856106][ T9687]  console_flush_one_record (kernel/printk/printk.c:3268)
[  439.856110][ T9687]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  439.856112][ T9687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  439.856118][ T9687]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  439.856121][ T9687]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  439.856123][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856124][ T9687]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  439.856128][ T9687]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  439.856130][ T9687]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  439.856133][ T9687]  vprintk_emit (kernel/printk/printk.c:2479)
[  439.856136][ T9687]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  439.856139][ T9687]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  439.856144][ T9687]  _printk (kernel/printk/printk.c:2504)
[  439.856148][ T9687]  ? snapshot_read.cold (user.c:?)
[  439.856150][ T9687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  439.856152][ T9687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  439.856155][ T9687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  439.856157][ T9687]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  439.856161][ T9687]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  439.856164][ T9687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  439.856166][ T9687]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  439.856169][ T9687]  ? netdev_notice (net/core/dev.c:13194)
[  439.856176][ T9687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  439.856179][ T9687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  439.856181][ T9687]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  439.856185][ T9687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  439.856187][ T9687]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  439.856189][ T9687]  ? register_netdev (net/core/dev.c:11618)
[  439.856191][ T9687]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  439.856196][ T9687]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  439.856199][ T9687]  ? __kernel_text_address (kernel/extable.c:79)
[  439.856201][ T9687]  ? write_profile (profile.c:?)
[  439.856206][ T9687]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  439.856212][ T9687]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  439.856215][ T9687]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  439.856217][ T9687]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  439.856219][ T9687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  439.856221][ T9687]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  439.856224][ T9687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  439.856226][ T9687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  439.856228][ T9687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  439.856231][ T9687]  ? kasan_save_stack (mm/kasan/common.c:58)
[  439.856233][ T9687]  ? kasan_save_stack (mm/kasan/common.c:57)
[  439.856234][ T9687]  ? kasan_save_track (mm/kasan/common.c:78)
[  439.856235][ T9687]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  439.856238][ T9687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  439.856240][ T9687]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  439.856243][ T9687]  ? ___sys_sendmsg (net/socket.c:2758)
[  439.856247][ T9687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  439.856249][ T9687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  439.856252][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856253][ T9687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  439.856255][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856256][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856258][ T9687]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  439.856260][ T9687]  ? __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)
[  439.856262][ T9687]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  439.856264][ T9687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  439.856267][ T9687]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  439.856268][ T9687]  ? nla_get_range_signed (lib/nlattr.c:270)
[  439.856273][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856275][ T9687]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  439.856281][ T9687]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  439.856286][ T9687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.856288][ T9687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  439.856293][ T9687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  439.856295][ T9687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  439.856297][ T9687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.856299][ T9687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  439.856303][ T9687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  439.856305][ T9687]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  439.856308][ T9687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  439.856309][ T9687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  439.856314][ T9687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  439.856316][ T9687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  439.856320][ T9687]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  439.856323][ T9687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  439.856326][ T9687]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  439.856333][ T9687]  ? 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))
[  439.856335][ T9687]  ? 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))
[  439.856339][ T9687]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  439.856343][ T9687]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  439.856346][ T9687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  439.856351][ T9687]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  439.856355][ T9687]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  439.856359][ T9687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  439.856360][ T9687]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  439.856366][ T9687]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  439.856369][ T9687]  ____sys_sendmsg (net/socket.c:2713)
[  439.856371][ T9687]  ? copy_msghdr_from_user (net/socket.c:2650)
[  439.856373][ T9687]  ? sock_write_iter (net/socket.c:1269)
[  439.856375][ T9687]  ? move_addr_to_kernel (net/socket.c:258)
[  439.856383][ T9687]  ___sys_sendmsg (net/socket.c:2767)
[  439.856385][ T9687]  ? copy_msghdr_from_user (net/socket.c:2619)
[  439.856402][ T9687]  __sys_sendmsg (net/socket.c:2799)
[  439.856404][ T9687]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  439.856411][ T9687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  439.856414][ T9687]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  439.856417][ T9687]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  439.856420][ T9687]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  439.856422][ T9687] RIP: 0033:0x7f04badfb54e
[  439.856426][ T9687] 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
[  439.856428][ T9687] RSP: 002b:00007fff5fa01680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  439.856431][ T9687] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f04badfb54e
[  439.856432][ T9687] RDX: 0000000000000000 RSI: 00007fff5fa01730 RDI: 0000000000000005
[  439.856433][ T9687] RBP: 00007fff5fa01690 R08: 0000000000000000 R09: 0000000000000000
[  439.856434][ T9687] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912788
[  439.856435][ T9687] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5fa01e00
| [  448.709753][ T9829] softirqs last disabled at (22946): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  448.709756][ T9829] Preemption disabled at:
| [  448.709757][ T9829] vprintk_emit (kernel/printk/printk.c:2471)
| [  448.709765][ T9829] Tainted: [W]=WARN
[  448.709766][ T9829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.709768][ T9829] Call Trace:
[  448.709770][ T9829]  <TASK>
[  448.709771][ T9829]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  448.709778][ T9829]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  448.709779][ T9829]  __might_resched.cold (kernel/sched/core.c:9234)
[  448.709784][ T9829]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  448.709788][ T9829]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  448.709793][ T9829]  __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))
[  448.709795][ T9829]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.709801][ T9829]  ? 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)
[  448.709804][ T9829]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.709808][ T9829]  put_chars (drivers/char/virtio_console.c:1176)
[  448.709811][ T9829]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  448.709817][ T9829]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  448.709826][ T9829]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  448.709829][ T9829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.709834][ T9829]  console_emit_next_record (kernel/printk/printk.c:3183)
[  448.709838][ T9829]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  448.709840][ T9829]  ? 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))
[  448.709843][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.709846][ T9829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.709850][ T9829]  console_flush_one_record (kernel/printk/printk.c:3268)
[  448.709854][ T9829]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  448.709856][ T9829]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.709862][ T9829]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  448.709865][ T9829]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  448.709867][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.709869][ T9829]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  448.709873][ T9829]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  448.709875][ T9829]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  448.709877][ T9829]  vprintk_emit (kernel/printk/printk.c:2479)
[  448.709881][ T9829]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  448.709884][ T9829]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  448.709892][ T9829]  _printk (kernel/printk/printk.c:2504)
[  448.709897][ T9829]  ? snapshot_read.cold (user.c:?)
[  448.709899][ T9829]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  448.709903][ T9829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  448.709906][ T9829]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  448.709908][ T9829]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  448.709912][ T9829]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  448.709914][ T9829]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.709917][ T9829]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  448.709920][ T9829]  ? netdev_notice (net/core/dev.c:13194)
[  448.709923][ T9829]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.709926][ T9829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.709928][ T9829]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  448.709932][ T9829]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.709934][ T9829]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  448.709937][ T9829]  ? register_netdev (net/core/dev.c:11618)
[  448.709938][ T9829]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  448.709944][ T9829]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  448.709946][ T9829]  ? __kernel_text_address (kernel/extable.c:79)
[  448.709949][ T9829]  ? write_profile (profile.c:?)
[  448.709953][ T9829]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  448.709959][ T9829]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.709963][ T9829]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  448.709965][ T9829]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  448.709966][ T9829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  448.709968][ T9829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  448.709972][ T9829]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  448.709974][ T9829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  448.709975][ T9829]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  448.709978][ T9829]  ? kasan_save_stack (mm/kasan/common.c:58)
[  448.709980][ T9829]  ? kasan_save_stack (mm/kasan/common.c:57)
[  448.709981][ T9829]  ? kasan_save_track (mm/kasan/common.c:78)
[  448.709982][ T9829]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  448.709985][ T9829]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.709987][ T9829]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  448.709990][ T9829]  ? ___sys_sendmsg (net/socket.c:2758)
[  448.709994][ T9829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  448.709996][ T9829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  448.709999][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.710000][ T9829]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.710002][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.710003][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.710005][ T9829]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  448.710007][ T9829]  ? __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)
[  448.710009][ T9829]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  448.710011][ T9829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  448.710014][ T9829]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  448.710015][ T9829]  ? nla_get_range_signed (lib/nlattr.c:270)
[  448.710021][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.710023][ T9829]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  448.710028][ T9829]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.710034][ T9829]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.710036][ T9829]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.710040][ T9829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  448.710042][ T9829]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.710044][ T9829]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.710046][ T9829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.710050][ T9829]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.710052][ T9829]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  448.710056][ T9829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.710057][ T9829]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  448.710061][ T9829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  448.710063][ T9829]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.710067][ T9829]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.710070][ T9829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.710073][ T9829]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  448.710080][ T9829]  ? 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))
[  448.710082][ T9829]  ? 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))
[  448.710087][ T9829]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.710091][ T9829]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  448.710093][ T9829]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  448.710098][ T9829]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.710102][ T9829]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  448.710106][ T9829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  448.710107][ T9829]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  448.710113][ T9829]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.710116][ T9829]  ____sys_sendmsg (net/socket.c:2713)
[  448.710118][ T9829]  ? copy_msghdr_from_user (net/socket.c:2650)
[  448.710120][ T9829]  ? sock_write_iter (net/socket.c:1269)
[  448.710122][ T9829]  ? move_addr_to_kernel (net/socket.c:258)
[  448.710130][ T9829]  ___sys_sendmsg (net/socket.c:2767)
[  448.710133][ T9829]  ? copy_msghdr_from_user (net/socket.c:2619)
[  448.710149][ T9829]  __sys_sendmsg (net/socket.c:2799)
[  448.710152][ T9829]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  448.710158][ T9829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.710161][ T9829]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.710164][ T9829]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  448.710167][ T9829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.710170][ T9829] RIP: 0033:0x7fb6b6f4254e
[  448.710177][ T9829] 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
[  448.710179][ T9829] RSP: 002b:00007ffcfe891f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  448.710181][ T9829] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb6b6f4254e
[  448.710183][ T9829] RDX: 0000000000000000 RSI: 00007ffcfe892010 RDI: 0000000000000005
[  448.710184][ T9829] RBP: 00007ffcfe891f70 R08: 0000000000000000 R09: 0000000000000000
[  448.710184][ T9829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912791
[  448.710185][ T9829] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfe8926e0
| [  457.565953][ T9972] softirqs last disabled at (16502): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  457.565956][ T9972] Preemption disabled at:
| [  457.565956][ T9972] vprintk_emit (kernel/printk/printk.c:2471)
| [  457.565965][ T9972] Tainted: [W]=WARN
[  457.565966][ T9972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  457.565968][ T9972] Call Trace:
[  457.565969][ T9972]  <TASK>
[  457.565971][ T9972]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  457.565977][ T9972]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  457.565979][ T9972]  __might_resched.cold (kernel/sched/core.c:9234)
[  457.565984][ T9972]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.565988][ T9972]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  457.565993][ T9972]  __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))
[  457.565995][ T9972]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.566001][ T9972]  ? 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)
[  457.566004][ T9972]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.566008][ T9972]  put_chars (drivers/char/virtio_console.c:1176)
[  457.566011][ T9972]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  457.566017][ T9972]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  457.566025][ T9972]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  457.566029][ T9972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.566033][ T9972]  console_emit_next_record (kernel/printk/printk.c:3183)
[  457.566038][ T9972]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  457.566040][ T9972]  ? 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))
[  457.566043][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566046][ T9972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.566050][ T9972]  console_flush_one_record (kernel/printk/printk.c:3268)
[  457.566054][ T9972]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  457.566056][ T9972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.566062][ T9972]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  457.566065][ T9972]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  457.566067][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566068][ T9972]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  457.566072][ T9972]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  457.566074][ T9972]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  457.566077][ T9972]  vprintk_emit (kernel/printk/printk.c:2479)
[  457.566080][ T9972]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  457.566083][ T9972]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  457.566088][ T9972]  _printk (kernel/printk/printk.c:2504)
[  457.566092][ T9972]  ? snapshot_read.cold (user.c:?)
[  457.566094][ T9972]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.566096][ T9972]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.566099][ T9972]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.566101][ T9972]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  457.566105][ T9972]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  457.566108][ T9972]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.566111][ T9972]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  457.566114][ T9972]  ? netdev_notice (net/core/dev.c:13194)
[  457.566116][ T9972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.566120][ T9972]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.566122][ T9972]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  457.566126][ T9972]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.566128][ T9972]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  457.566130][ T9972]  ? register_netdev (net/core/dev.c:11618)
[  457.566132][ T9972]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  457.566137][ T9972]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  457.566140][ T9972]  ? __kernel_text_address (kernel/extable.c:79)
[  457.566142][ T9972]  ? write_profile (profile.c:?)
[  457.566147][ T9972]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  457.566152][ T9972]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.566156][ T9972]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  457.566158][ T9972]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  457.566159][ T9972]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  457.566161][ T9972]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  457.566165][ T9972]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.566167][ T9972]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.566169][ T9972]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.566174][ T9972]  ? kasan_save_stack (mm/kasan/common.c:58)
[  457.566176][ T9972]  ? kasan_save_stack (mm/kasan/common.c:57)
[  457.566177][ T9972]  ? kasan_save_track (mm/kasan/common.c:78)
[  457.566179][ T9972]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  457.566181][ T9972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.566183][ T9972]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  457.566187][ T9972]  ? ___sys_sendmsg (net/socket.c:2758)
[  457.566191][ T9972]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.566193][ T9972]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  457.566196][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566197][ T9972]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.566199][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566200][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566202][ T9972]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  457.566204][ T9972]  ? __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)
[  457.566206][ T9972]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  457.566208][ T9972]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  457.566211][ T9972]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  457.566212][ T9972]  ? nla_get_range_signed (lib/nlattr.c:270)
[  457.566217][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566219][ T9972]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  457.566225][ T9972]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  457.566230][ T9972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.566232][ T9972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.566237][ T9972]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.566239][ T9972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.566241][ T9972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.566243][ T9972]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.566247][ T9972]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.566249][ T9972]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  457.566252][ T9972]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  457.566254][ T9972]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.566258][ T9972]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.566260][ T9972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.566264][ T9972]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  457.566267][ T9972]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  457.566270][ T9972]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  457.566277][ T9972]  ? 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))
[  457.566279][ T9972]  ? 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))
[  457.566284][ T9972]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  457.566288][ T9972]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  457.566290][ T9972]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.566295][ T9972]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  457.566299][ T9972]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  457.566303][ T9972]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.566304][ T9972]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  457.566310][ T9972]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  457.566313][ T9972]  ____sys_sendmsg (net/socket.c:2713)
[  457.566315][ T9972]  ? copy_msghdr_from_user (net/socket.c:2650)
[  457.566317][ T9972]  ? sock_write_iter (net/socket.c:1269)
[  457.566319][ T9972]  ? move_addr_to_kernel (net/socket.c:258)
[  457.566327][ T9972]  ___sys_sendmsg (net/socket.c:2767)
[  457.566330][ T9972]  ? copy_msghdr_from_user (net/socket.c:2619)
[  457.566346][ T9972]  __sys_sendmsg (net/socket.c:2799)
[  457.566349][ T9972]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  457.566356][ T9972]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.566359][ T9972]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  457.566362][ T9972]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  457.566365][ T9972]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  457.566367][ T9972] RIP: 0033:0x7f48dd3c954e
[  457.566371][ T9972] 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
[  457.566373][ T9972] RSP: 002b:00007ffd174034a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  457.566376][ T9972] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f48dd3c954e
[  457.566378][ T9972] RDX: 0000000000000000 RSI: 00007ffd17403550 RDI: 0000000000000005
[  457.566379][ T9972] RBP: 00007ffd174034b0 R08: 0000000000000000 R09: 0000000000000000
[  457.566379][ T9972] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912799
[  457.566380][ T9972] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17403c20
| [  466.497877][T10115] softirqs last disabled at (19200): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  466.497880][T10115] Preemption disabled at:
| [  466.497881][T10115] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.497891][T10115] Tainted: [W]=WARN
[  466.497892][T10115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.497895][T10115] Call Trace:
[  466.497897][T10115]  <TASK>
[  466.497900][T10115]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.497906][T10115]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.497908][T10115]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.497913][T10115]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.497917][T10115]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.497922][T10115]  __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))
[  466.497924][T10115]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.497930][T10115]  ? 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)
[  466.497933][T10115]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.497937][T10115]  put_chars (drivers/char/virtio_console.c:1176)
[  466.497940][T10115]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.497946][T10115]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.497954][T10115]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.497957][T10115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.497962][T10115]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.497966][T10115]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.497968][T10115]  ? 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))
[  466.497971][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.497974][T10115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.497978][T10115]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.497983][T10115]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.497985][T10115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.497990][T10115]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.497993][T10115]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.497995][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.497997][T10115]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  466.498000][T10115]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.498002][T10115]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.498005][T10115]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.498008][T10115]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.498011][T10115]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  466.498016][T10115]  _printk (kernel/printk/printk.c:2504)
[  466.498020][T10115]  ? snapshot_read.cold (user.c:?)
[  466.498022][T10115]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.498025][T10115]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.498027][T10115]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.498030][T10115]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.498034][T10115]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.498036][T10115]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.498039][T10115]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.498042][T10115]  ? netdev_notice (net/core/dev.c:13194)
[  466.498044][T10115]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.498048][T10115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.498050][T10115]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  466.498054][T10115]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.498056][T10115]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  466.498058][T10115]  ? register_netdev (net/core/dev.c:11618)
[  466.498060][T10115]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  466.498065][T10115]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  466.498068][T10115]  ? __kernel_text_address (kernel/extable.c:79)
[  466.498070][T10115]  ? write_profile (profile.c:?)
[  466.498075][T10115]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  466.498080][T10115]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.498084][T10115]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  466.498086][T10115]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  466.498088][T10115]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  466.498089][T10115]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  466.498093][T10115]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.498095][T10115]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.498097][T10115]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.498099][T10115]  ? kasan_save_stack (mm/kasan/common.c:58)
[  466.498101][T10115]  ? kasan_save_stack (mm/kasan/common.c:57)
[  466.498102][T10115]  ? kasan_save_track (mm/kasan/common.c:78)
[  466.498103][T10115]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  466.498106][T10115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.498108][T10115]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  466.498111][T10115]  ? ___sys_sendmsg (net/socket.c:2758)
[  466.498115][T10115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.498117][T10115]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.498120][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.498122][T10115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.498123][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.498125][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.498126][T10115]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  466.498129][T10115]  ? __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)
[  466.498130][T10115]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  466.498132][T10115]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.498135][T10115]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  466.498137][T10115]  ? nla_get_range_signed (lib/nlattr.c:270)
[  466.498142][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.498144][T10115]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  466.498150][T10115]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.498155][T10115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.498157][T10115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.498162][T10115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.498164][T10115]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.498166][T10115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.498168][T10115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.498174][T10115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.498177][T10115]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  466.498180][T10115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.498181][T10115]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.498186][T10115]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.498188][T10115]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.498192][T10115]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.498195][T10115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.498198][T10115]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.498204][T10115]  ? 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))
[  466.498207][T10115]  ? 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))
[  466.498211][T10115]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.498215][T10115]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.498218][T10115]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.498223][T10115]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.498227][T10115]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.498231][T10115]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.498232][T10115]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  466.498238][T10115]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.498241][T10115]  ____sys_sendmsg (net/socket.c:2713)
[  466.498243][T10115]  ? copy_msghdr_from_user (net/socket.c:2650)
[  466.498245][T10115]  ? sock_write_iter (net/socket.c:1269)
[  466.498247][T10115]  ? move_addr_to_kernel (net/socket.c:258)
[  466.498255][T10115]  ___sys_sendmsg (net/socket.c:2767)
[  466.498258][T10115]  ? copy_msghdr_from_user (net/socket.c:2619)
[  466.498274][T10115]  __sys_sendmsg (net/socket.c:2799)
[  466.498277][T10115]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  466.498284][T10115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.498287][T10115]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.498290][T10115]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.498293][T10115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.498295][T10115] RIP: 0033:0x7f4545e0254e
[  466.498299][T10115] 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
[  466.498301][T10115] RSP: 002b:00007ffd48c2c1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  466.498304][T10115] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4545e0254e
[  466.498306][T10115] RDX: 0000000000000000 RSI: 00007ffd48c2c2a0 RDI: 0000000000000005
[  466.498307][T10115] RBP: 00007ffd48c2c200 R08: 0000000000000000 R09: 0000000000000000
[  466.498307][T10115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127a2
[  466.498308][T10115] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd48c2c970
| [  475.384848][T10258] softirqs last disabled at (25724): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  475.384851][T10258] Preemption disabled at:
| [  475.384852][T10258] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.384861][T10258] Tainted: [W]=WARN
[  475.384862][T10258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.384864][T10258] Call Trace:
[  475.384866][T10258]  <TASK>
[  475.384867][T10258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.384874][T10258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.384876][T10258]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.384880][T10258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.384885][T10258]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  475.384892][T10258]  __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))
[  475.384895][T10258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.384903][T10258]  ? 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)
[  475.384906][T10258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.384910][T10258]  put_chars (drivers/char/virtio_console.c:1176)
[  475.384913][T10258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.384919][T10258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.384927][T10258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.384931][T10258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.384935][T10258]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.384940][T10258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.384942][T10258]  ? 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))
[  475.384945][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.384948][T10258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.384952][T10258]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.384956][T10258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.384958][T10258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.384964][T10258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.384967][T10258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.384969][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.384970][T10258]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  475.384974][T10258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.384976][T10258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.384979][T10258]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.384982][T10258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.384985][T10258]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  475.384990][T10258]  _printk (kernel/printk/printk.c:2504)
[  475.384994][T10258]  ? snapshot_read.cold (user.c:?)
[  475.384996][T10258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.384999][T10258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.385002][T10258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.385004][T10258]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.385008][T10258]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.385011][T10258]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.385013][T10258]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.385016][T10258]  ? netdev_notice (net/core/dev.c:13194)
[  475.385019][T10258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.385022][T10258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.385025][T10258]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  475.385028][T10258]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.385030][T10258]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  475.385033][T10258]  ? register_netdev (net/core/dev.c:11618)
[  475.385034][T10258]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  475.385039][T10258]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  475.385042][T10258]  ? __kernel_text_address (kernel/extable.c:79)
[  475.385045][T10258]  ? write_profile (profile.c:?)
[  475.385049][T10258]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  475.385055][T10258]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.385058][T10258]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  475.385061][T10258]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  475.385062][T10258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  475.385064][T10258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  475.385068][T10258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.385070][T10258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.385072][T10258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.385074][T10258]  ? kasan_save_stack (mm/kasan/common.c:58)
[  475.385076][T10258]  ? kasan_save_stack (mm/kasan/common.c:57)
[  475.385077][T10258]  ? kasan_save_track (mm/kasan/common.c:78)
[  475.385079][T10258]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  475.385081][T10258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.385083][T10258]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  475.385086][T10258]  ? ___sys_sendmsg (net/socket.c:2758)
[  475.385090][T10258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.385092][T10258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.385095][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.385097][T10258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.385099][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.385100][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.385102][T10258]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  475.385104][T10258]  ? __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)
[  475.385105][T10258]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  475.385107][T10258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.385111][T10258]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  475.385112][T10258]  ? nla_get_range_signed (lib/nlattr.c:270)
[  475.385117][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.385119][T10258]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  475.385125][T10258]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.385130][T10258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.385132][T10258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.385137][T10258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.385139][T10258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.385141][T10258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.385143][T10258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.385147][T10258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.385149][T10258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  475.385152][T10258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.385154][T10258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.385158][T10258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.385160][T10258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.385164][T10258]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.385167][T10258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.385170][T10258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.385180][T10258]  ? 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))
[  475.385182][T10258]  ? 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))
[  475.385187][T10258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.385191][T10258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.385194][T10258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.385198][T10258]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.385203][T10258]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.385207][T10258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.385208][T10258]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  475.385214][T10258]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.385217][T10258]  ____sys_sendmsg (net/socket.c:2713)
[  475.385220][T10258]  ? copy_msghdr_from_user (net/socket.c:2650)
[  475.385222][T10258]  ? sock_write_iter (net/socket.c:1269)
[  475.385224][T10258]  ? move_addr_to_kernel (net/socket.c:258)
[  475.385231][T10258]  ___sys_sendmsg (net/socket.c:2767)
[  475.385234][T10258]  ? copy_msghdr_from_user (net/socket.c:2619)
[  475.385251][T10258]  __sys_sendmsg (net/socket.c:2799)
[  475.385253][T10258]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  475.385260][T10258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.385263][T10258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.385266][T10258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  475.385269][T10258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.385272][T10258] RIP: 0033:0x7f0e0350d54e
[  475.385276][T10258] 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
[  475.385277][T10258] RSP: 002b:00007ffde4dcec00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  475.385280][T10258] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0e0350d54e
[  475.385282][T10258] RDX: 0000000000000000 RSI: 00007ffde4dcecb0 RDI: 0000000000000005
[  475.385283][T10258] RBP: 00007ffde4dcec10 R08: 0000000000000000 R09: 0000000000000000
[  475.385283][T10258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127ab
[  475.385284][T10258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde4dcf380
| [  484.223768][T10401] softirqs last disabled at (26670): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  484.223771][T10401] Preemption disabled at:
| [  484.223771][T10401] vprintk_emit (kernel/printk/printk.c:2471)
| [  484.223780][T10401] Tainted: [W]=WARN
[  484.223781][T10401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.223783][T10401] Call Trace:
[  484.223785][T10401]  <TASK>
[  484.223786][T10401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.223793][T10401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  484.223794][T10401]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.223799][T10401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.223803][T10401]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  484.223808][T10401]  __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))
[  484.223810][T10401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.223822][T10401]  ? 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)
[  484.223825][T10401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.223829][T10401]  put_chars (drivers/char/virtio_console.c:1176)
[  484.223831][T10401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.223838][T10401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.223846][T10401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.223849][T10401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.223854][T10401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.223858][T10401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.223860][T10401]  ? 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))
[  484.223863][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.223866][T10401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.223870][T10401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.223875][T10401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.223876][T10401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.223882][T10401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.223885][T10401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.223888][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.223891][T10401]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  484.223897][T10401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.223900][T10401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.223903][T10401]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.223907][T10401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.223909][T10401]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  484.223915][T10401]  _printk (kernel/printk/printk.c:2504)
[  484.223919][T10401]  ? snapshot_read.cold (user.c:?)
[  484.223921][T10401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.223923][T10401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.223926][T10401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.223929][T10401]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  484.223933][T10401]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  484.223936][T10401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.223938][T10401]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  484.223941][T10401]  ? netdev_notice (net/core/dev.c:13194)
[  484.223944][T10401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.223947][T10401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.223950][T10401]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  484.223953][T10401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.223955][T10401]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  484.223957][T10401]  ? register_netdev (net/core/dev.c:11618)
[  484.223959][T10401]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  484.223964][T10401]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  484.223967][T10401]  ? __kernel_text_address (kernel/extable.c:79)
[  484.223969][T10401]  ? write_profile (profile.c:?)
[  484.223974][T10401]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  484.223979][T10401]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.223983][T10401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  484.223985][T10401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  484.223986][T10401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  484.223988][T10401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  484.223992][T10401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.223994][T10401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.223996][T10401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.223998][T10401]  ? kasan_save_stack (mm/kasan/common.c:58)
[  484.224000][T10401]  ? kasan_save_stack (mm/kasan/common.c:57)
[  484.224001][T10401]  ? kasan_save_track (mm/kasan/common.c:78)
[  484.224003][T10401]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  484.224005][T10401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.224007][T10401]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  484.224010][T10401]  ? ___sys_sendmsg (net/socket.c:2758)
[  484.224014][T10401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.224016][T10401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.224019][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.224021][T10401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.224023][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.224024][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.224025][T10401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  484.224028][T10401]  ? __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)
[  484.224029][T10401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  484.224031][T10401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.224034][T10401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  484.224036][T10401]  ? nla_get_range_signed (lib/nlattr.c:270)
[  484.224041][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.224044][T10401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  484.224049][T10401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  484.224054][T10401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.224056][T10401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.224061][T10401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.224063][T10401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.224065][T10401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.224067][T10401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.224070][T10401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.224073][T10401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  484.224076][T10401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.224077][T10401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.224082][T10401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.224084][T10401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.224087][T10401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  484.224091][T10401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.224094][T10401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  484.224100][T10401]  ? 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))
[  484.224102][T10401]  ? 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))
[  484.224107][T10401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  484.224111][T10401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  484.224114][T10401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.224118][T10401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  484.224122][T10401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  484.224126][T10401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.224127][T10401]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  484.224133][T10401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  484.224136][T10401]  ____sys_sendmsg (net/socket.c:2713)
[  484.224138][T10401]  ? copy_msghdr_from_user (net/socket.c:2650)
[  484.224140][T10401]  ? sock_write_iter (net/socket.c:1269)
[  484.224142][T10401]  ? move_addr_to_kernel (net/socket.c:258)
[  484.224150][T10401]  ___sys_sendmsg (net/socket.c:2767)
[  484.224152][T10401]  ? copy_msghdr_from_user (net/socket.c:2619)
[  484.224169][T10401]  __sys_sendmsg (net/socket.c:2799)
[  484.224174][T10401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  484.224181][T10401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.224184][T10401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  484.224187][T10401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  484.224190][T10401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  484.224192][T10401] RIP: 0033:0x7f073419654e
[  484.224196][T10401] 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
[  484.224198][T10401] RSP: 002b:00007ffdc550d4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  484.224201][T10401] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f073419654e
[  484.224203][T10401] RDX: 0000000000000000 RSI: 00007ffdc550d560 RDI: 0000000000000005
[  484.224204][T10401] RBP: 00007ffdc550d4c0 R08: 0000000000000000 R09: 0000000000000000
[  484.224205][T10401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127b4
[  484.224206][T10401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc550dc30
| [  493.092815][T10544] softirqs last disabled at (29642): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  493.092818][T10544] Preemption disabled at:
| [  493.092818][T10544] vprintk_emit (kernel/printk/printk.c:2471)
| [  493.092827][T10544] Tainted: [W]=WARN
[  493.092828][T10544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  493.092829][T10544] Call Trace:
[  493.092831][T10544]  <TASK>
[  493.092832][T10544]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  493.092838][T10544]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  493.092840][T10544]  __might_resched.cold (kernel/sched/core.c:9234)
[  493.092845][T10544]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  493.092849][T10544]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  493.092854][T10544]  __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))
[  493.092855][T10544]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.092862][T10544]  ? 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)
[  493.092865][T10544]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.092869][T10544]  put_chars (drivers/char/virtio_console.c:1176)
[  493.092872][T10544]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  493.092884][T10544]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  493.092892][T10544]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  493.092895][T10544]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.092900][T10544]  console_emit_next_record (kernel/printk/printk.c:3183)
[  493.092904][T10544]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  493.092906][T10544]  ? 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))
[  493.092910][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.092913][T10544]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.092917][T10544]  console_flush_one_record (kernel/printk/printk.c:3268)
[  493.092921][T10544]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  493.092923][T10544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.092929][T10544]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  493.092932][T10544]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  493.092934][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.092935][T10544]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  493.092939][T10544]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  493.092941][T10544]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  493.092944][T10544]  vprintk_emit (kernel/printk/printk.c:2479)
[  493.092947][T10544]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  493.092950][T10544]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  493.092955][T10544]  _printk (kernel/printk/printk.c:2504)
[  493.092959][T10544]  ? snapshot_read.cold (user.c:?)
[  493.092961][T10544]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  493.092963][T10544]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  493.092966][T10544]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  493.092968][T10544]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  493.092972][T10544]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  493.092975][T10544]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.092977][T10544]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  493.092980][T10544]  ? netdev_notice (net/core/dev.c:13194)
[  493.092983][T10544]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.092986][T10544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.092989][T10544]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  493.092993][T10544]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.092995][T10544]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  493.092997][T10544]  ? register_netdev (net/core/dev.c:11618)
[  493.092999][T10544]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  493.093004][T10544]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  493.093007][T10544]  ? __kernel_text_address (kernel/extable.c:79)
[  493.093010][T10544]  ? write_profile (profile.c:?)
[  493.093014][T10544]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  493.093020][T10544]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.093023][T10544]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  493.093026][T10544]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  493.093027][T10544]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  493.093029][T10544]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  493.093032][T10544]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  493.093034][T10544]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  493.093036][T10544]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  493.093039][T10544]  ? kasan_save_stack (mm/kasan/common.c:58)
[  493.093041][T10544]  ? kasan_save_stack (mm/kasan/common.c:57)
[  493.093042][T10544]  ? kasan_save_track (mm/kasan/common.c:78)
[  493.093043][T10544]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  493.093046][T10544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.093048][T10544]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  493.093051][T10544]  ? ___sys_sendmsg (net/socket.c:2758)
[  493.093055][T10544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.093057][T10544]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  493.093060][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.093062][T10544]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.093063][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.093064][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.093066][T10544]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  493.093069][T10544]  ? __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)
[  493.093070][T10544]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  493.093072][T10544]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  493.093075][T10544]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  493.093077][T10544]  ? nla_get_range_signed (lib/nlattr.c:270)
[  493.093082][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.093084][T10544]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  493.093089][T10544]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  493.093095][T10544]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.093097][T10544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.093102][T10544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.093104][T10544]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.093106][T10544]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.093107][T10544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.093111][T10544]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.093113][T10544]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  493.093117][T10544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.093118][T10544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  493.093123][T10544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  493.093125][T10544]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.093128][T10544]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  493.093132][T10544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.093135][T10544]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  493.093141][T10544]  ? 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))
[  493.093144][T10544]  ? 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))
[  493.093148][T10544]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  493.093152][T10544]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  493.093155][T10544]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  493.093159][T10544]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  493.093164][T10544]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  493.093167][T10544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  493.093169][T10544]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  493.093177][T10544]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  493.093180][T10544]  ____sys_sendmsg (net/socket.c:2713)
[  493.093182][T10544]  ? copy_msghdr_from_user (net/socket.c:2650)
[  493.093185][T10544]  ? sock_write_iter (net/socket.c:1269)
[  493.093186][T10544]  ? move_addr_to_kernel (net/socket.c:258)
[  493.093194][T10544]  ___sys_sendmsg (net/socket.c:2767)
[  493.093197][T10544]  ? copy_msghdr_from_user (net/socket.c:2619)
[  493.093213][T10544]  __sys_sendmsg (net/socket.c:2799)
[  493.093216][T10544]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  493.093222][T10544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.093225][T10544]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  493.093229][T10544]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  493.093232][T10544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  493.093234][T10544] RIP: 0033:0x7f7108b3254e
[  493.093238][T10544] 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
[  493.093240][T10544] RSP: 002b:00007ffc72a38770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  493.093243][T10544] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7108b3254e
[  493.093244][T10544] RDX: 0000000000000000 RSI: 00007ffc72a38820 RDI: 0000000000000005
[  493.093245][T10544] RBP: 00007ffc72a38780 R08: 0000000000000000 R09: 0000000000000000
[  493.093246][T10544] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127bd
[  493.093247][T10544] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc72a38ef0
| [  502.528764][T10687] softirqs last disabled at (22880): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  502.528767][T10687] Preemption disabled at:
| [  502.528767][T10687] vprintk_emit (kernel/printk/printk.c:2471)
| [  502.528776][T10687] Tainted: [W]=WARN
[  502.528777][T10687] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  502.528779][T10687] Call Trace:
[  502.528780][T10687]  <TASK>
[  502.528782][T10687]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  502.528788][T10687]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  502.528790][T10687]  __might_resched.cold (kernel/sched/core.c:9234)
[  502.528794][T10687]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  502.528799][T10687]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  502.528803][T10687]  __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))
[  502.528805][T10687]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  502.528812][T10687]  ? 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)
[  502.528815][T10687]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  502.528819][T10687]  put_chars (drivers/char/virtio_console.c:1176)
[  502.528821][T10687]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  502.528828][T10687]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  502.528836][T10687]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  502.528839][T10687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.528844][T10687]  console_emit_next_record (kernel/printk/printk.c:3183)
[  502.528848][T10687]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  502.528850][T10687]  ? 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))
[  502.528853][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.528856][T10687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.528860][T10687]  console_flush_one_record (kernel/printk/printk.c:3268)
[  502.528864][T10687]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  502.528866][T10687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.528872][T10687]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  502.528875][T10687]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  502.528877][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.528878][T10687]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  502.528882][T10687]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  502.528884][T10687]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  502.528887][T10687]  vprintk_emit (kernel/printk/printk.c:2479)
[  502.528890][T10687]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  502.528893][T10687]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  502.528898][T10687]  _printk (kernel/printk/printk.c:2504)
[  502.528902][T10687]  ? snapshot_read.cold (user.c:?)
[  502.528903][T10687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  502.528906][T10687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  502.528909][T10687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  502.528911][T10687]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  502.528915][T10687]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  502.528918][T10687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  502.528921][T10687]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  502.528924][T10687]  ? netdev_notice (net/core/dev.c:13194)
[  502.528927][T10687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  502.528930][T10687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  502.528932][T10687]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  502.528936][T10687]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  502.528938][T10687]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  502.528940][T10687]  ? register_netdev (net/core/dev.c:11618)
[  502.528948][T10687]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  502.528953][T10687]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  502.528956][T10687]  ? __kernel_text_address (kernel/extable.c:79)
[  502.528959][T10687]  ? write_profile (profile.c:?)
[  502.528963][T10687]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  502.528969][T10687]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  502.528972][T10687]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  502.528974][T10687]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  502.528976][T10687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  502.528978][T10687]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  502.528981][T10687]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  502.528983][T10687]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  502.528985][T10687]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  502.528988][T10687]  ? kasan_save_stack (mm/kasan/common.c:58)
[  502.528990][T10687]  ? kasan_save_stack (mm/kasan/common.c:57)
[  502.528991][T10687]  ? kasan_save_track (mm/kasan/common.c:78)
[  502.528992][T10687]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  502.528995][T10687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.528997][T10687]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  502.529000][T10687]  ? ___sys_sendmsg (net/socket.c:2758)
[  502.529004][T10687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  502.529006][T10687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  502.529009][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.529011][T10687]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.529012][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.529014][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.529015][T10687]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  502.529018][T10687]  ? __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)
[  502.529019][T10687]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  502.529021][T10687]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  502.529024][T10687]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  502.529026][T10687]  ? nla_get_range_signed (lib/nlattr.c:270)
[  502.529031][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.529033][T10687]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  502.529038][T10687]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  502.529044][T10687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  502.529046][T10687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.529051][T10687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  502.529053][T10687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  502.529055][T10687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  502.529057][T10687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  502.529061][T10687]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  502.529063][T10687]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  502.529066][T10687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  502.529067][T10687]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  502.529072][T10687]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  502.529074][T10687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  502.529078][T10687]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  502.529081][T10687]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  502.529084][T10687]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  502.529091][T10687]  ? 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))
[  502.529093][T10687]  ? 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))
[  502.529097][T10687]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  502.529102][T10687]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  502.529104][T10687]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  502.529109][T10687]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  502.529113][T10687]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  502.529117][T10687]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  502.529119][T10687]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  502.529124][T10687]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  502.529127][T10687]  ____sys_sendmsg (net/socket.c:2713)
[  502.529130][T10687]  ? copy_msghdr_from_user (net/socket.c:2650)
[  502.529132][T10687]  ? sock_write_iter (net/socket.c:1269)
[  502.529134][T10687]  ? move_addr_to_kernel (net/socket.c:258)
[  502.529142][T10687]  ___sys_sendmsg (net/socket.c:2767)
[  502.529144][T10687]  ? copy_msghdr_from_user (net/socket.c:2619)
[  502.529161][T10687]  __sys_sendmsg (net/socket.c:2799)
[  502.529164][T10687]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  502.529171][T10687]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.529177][T10687]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  502.529180][T10687]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  502.529183][T10687]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  502.529185][T10687] RIP: 0033:0x7f5f1024454e
[  502.529189][T10687] 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
[  502.529192][T10687] RSP: 002b:00007ffc561214d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  502.529194][T10687] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5f1024454e
[  502.529196][T10687] RDX: 0000000000000000 RSI: 00007ffc56121580 RDI: 0000000000000005
[  502.529197][T10687] RBP: 00007ffc561214e0 R08: 0000000000000000 R09: 0000000000000000
[  502.529198][T10687] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127c6
[  502.529199][T10687] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc56121c50
| [  511.397800][T10830] softirqs last disabled at (15948): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  511.397802][T10830] Preemption disabled at:
| [  511.397803][T10830] vprintk_emit (kernel/printk/printk.c:2471)
| [  511.397812][T10830] Tainted: [W]=WARN
[  511.397813][T10830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  511.397815][T10830] Call Trace:
[  511.397817][T10830]  <TASK>
[  511.397818][T10830]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  511.397824][T10830]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  511.397826][T10830]  __might_resched.cold (kernel/sched/core.c:9234)
[  511.397830][T10830]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  511.397835][T10830]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  511.397839][T10830]  __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))
[  511.397841][T10830]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.397847][T10830]  ? 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)
[  511.397850][T10830]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.397854][T10830]  put_chars (drivers/char/virtio_console.c:1176)
[  511.397856][T10830]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  511.397863][T10830]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  511.397871][T10830]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  511.397874][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.397879][T10830]  console_emit_next_record (kernel/printk/printk.c:3183)
[  511.397883][T10830]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  511.397885][T10830]  ? 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))
[  511.397888][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.397891][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.397895][T10830]  console_flush_one_record (kernel/printk/printk.c:3268)
[  511.397899][T10830]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  511.397901][T10830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  511.397907][T10830]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  511.397910][T10830]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  511.397911][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.397913][T10830]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  511.397917][T10830]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  511.397919][T10830]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  511.397922][T10830]  vprintk_emit (kernel/printk/printk.c:2479)
[  511.397925][T10830]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  511.397928][T10830]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  511.397933][T10830]  _printk (kernel/printk/printk.c:2504)
[  511.397937][T10830]  ? snapshot_read.cold (user.c:?)
[  511.397939][T10830]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  511.397941][T10830]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  511.397944][T10830]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  511.397946][T10830]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  511.397950][T10830]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  511.397953][T10830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  511.397955][T10830]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  511.397958][T10830]  ? netdev_notice (net/core/dev.c:13194)
[  511.397961][T10830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  511.397964][T10830]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  511.397967][T10830]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  511.397970][T10830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  511.397972][T10830]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  511.397975][T10830]  ? register_netdev (net/core/dev.c:11618)
[  511.397976][T10830]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  511.397981][T10830]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  511.397984][T10830]  ? __kernel_text_address (kernel/extable.c:79)
[  511.397987][T10830]  ? write_profile (profile.c:?)
[  511.397991][T10830]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  511.397997][T10830]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  511.398000][T10830]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  511.398008][T10830]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  511.398009][T10830]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  511.398011][T10830]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  511.398015][T10830]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  511.398017][T10830]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  511.398018][T10830]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  511.398021][T10830]  ? kasan_save_stack (mm/kasan/common.c:58)
[  511.398023][T10830]  ? kasan_save_stack (mm/kasan/common.c:57)
[  511.398024][T10830]  ? kasan_save_track (mm/kasan/common.c:78)
[  511.398026][T10830]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  511.398028][T10830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  511.398030][T10830]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  511.398033][T10830]  ? ___sys_sendmsg (net/socket.c:2758)
[  511.398037][T10830]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  511.398039][T10830]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  511.398042][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.398044][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.398045][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.398047][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.398048][T10830]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  511.398051][T10830]  ? __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)
[  511.398052][T10830]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  511.398054][T10830]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  511.398057][T10830]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  511.398058][T10830]  ? nla_get_range_signed (lib/nlattr.c:270)
[  511.398063][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.398066][T10830]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  511.398071][T10830]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  511.398076][T10830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.398078][T10830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  511.398083][T10830]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  511.398085][T10830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  511.398087][T10830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.398089][T10830]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  511.398093][T10830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.398095][T10830]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  511.398098][T10830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  511.398100][T10830]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  511.398104][T10830]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  511.398106][T10830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  511.398110][T10830]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  511.398113][T10830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  511.398116][T10830]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  511.398122][T10830]  ? 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))
[  511.398124][T10830]  ? 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))
[  511.398129][T10830]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  511.398133][T10830]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  511.398136][T10830]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  511.398140][T10830]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  511.398144][T10830]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  511.398148][T10830]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  511.398150][T10830]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  511.398155][T10830]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  511.398158][T10830]  ____sys_sendmsg (net/socket.c:2713)
[  511.398161][T10830]  ? copy_msghdr_from_user (net/socket.c:2650)
[  511.398163][T10830]  ? sock_write_iter (net/socket.c:1269)
[  511.398165][T10830]  ? move_addr_to_kernel (net/socket.c:258)
[  511.398176][T10830]  ___sys_sendmsg (net/socket.c:2767)
[  511.398179][T10830]  ? copy_msghdr_from_user (net/socket.c:2619)
[  511.398195][T10830]  __sys_sendmsg (net/socket.c:2799)
[  511.398198][T10830]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  511.398205][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.398208][T10830]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  511.398211][T10830]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  511.398214][T10830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  511.398216][T10830] RIP: 0033:0x7f89a393e54e
[  511.398220][T10830] 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
[  511.398222][T10830] RSP: 002b:00007ffc15281d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  511.398225][T10830] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f89a393e54e
[  511.398226][T10830] RDX: 0000000000000000 RSI: 00007ffc15281e00 RDI: 0000000000000005
[  511.398227][T10830] RBP: 00007ffc15281d60 R08: 0000000000000000 R09: 0000000000000000
[  511.398228][T10830] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127cf
[  511.398229][T10830] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc152824d0
| [  520.291845][T10973] softirqs last disabled at (19054): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  520.291848][T10973] Preemption disabled at:
| [  520.291848][T10973] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.291857][T10973] Tainted: [W]=WARN
[  520.291858][T10973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.291860][T10973] Call Trace:
[  520.291862][T10973]  <TASK>
[  520.291863][T10973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.291869][T10973]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.291871][T10973]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.291876][T10973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.291880][T10973]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  520.291885][T10973]  __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))
[  520.291887][T10973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.291894][T10973]  ? 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)
[  520.291896][T10973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.291900][T10973]  put_chars (drivers/char/virtio_console.c:1176)
[  520.291903][T10973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.291909][T10973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.291917][T10973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.291920][T10973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.291925][T10973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.291929][T10973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.291931][T10973]  ? 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))
[  520.291935][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.291938][T10973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.291942][T10973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.291946][T10973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.291948][T10973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.291954][T10973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.291957][T10973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.291959][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.291961][T10973]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  520.291965][T10973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.291966][T10973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.291969][T10973]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.291973][T10973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.291975][T10973]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  520.291981][T10973]  _printk (kernel/printk/printk.c:2504)
[  520.291985][T10973]  ? snapshot_read.cold (user.c:?)
[  520.291987][T10973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  520.291989][T10973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  520.291992][T10973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  520.291995][T10973]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  520.291999][T10973]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  520.292002][T10973]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.292004][T10973]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  520.292007][T10973]  ? netdev_notice (net/core/dev.c:13194)
[  520.292010][T10973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.292013][T10973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.292016][T10973]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  520.292020][T10973]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.292022][T10973]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  520.292024][T10973]  ? register_netdev (net/core/dev.c:11618)
[  520.292026][T10973]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  520.292032][T10973]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  520.292034][T10973]  ? __kernel_text_address (kernel/extable.c:79)
[  520.292037][T10973]  ? write_profile (profile.c:?)
[  520.292041][T10973]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  520.292047][T10973]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.292051][T10973]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  520.292053][T10973]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  520.292055][T10973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  520.292057][T10973]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  520.292060][T10973]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  520.292062][T10973]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  520.292070][T10973]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  520.292073][T10973]  ? kasan_save_stack (mm/kasan/common.c:58)
[  520.292075][T10973]  ? kasan_save_stack (mm/kasan/common.c:57)
[  520.292076][T10973]  ? kasan_save_track (mm/kasan/common.c:78)
[  520.292078][T10973]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  520.292080][T10973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.292082][T10973]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  520.292085][T10973]  ? ___sys_sendmsg (net/socket.c:2758)
[  520.292090][T10973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.292092][T10973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  520.292094][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.292096][T10973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.292098][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.292099][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.292101][T10973]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  520.292103][T10973]  ? __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)
[  520.292105][T10973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  520.292107][T10973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  520.292110][T10973]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  520.292111][T10973]  ? nla_get_range_signed (lib/nlattr.c:270)
[  520.292117][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.292119][T10973]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  520.292125][T10973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.292130][T10973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.292132][T10973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.292137][T10973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.292139][T10973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.292141][T10973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.292143][T10973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.292147][T10973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.292149][T10973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.292152][T10973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.292154][T10973]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  520.292158][T10973]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  520.292160][T10973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.292164][T10973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.292167][T10973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.292170][T10973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.292180][T10973]  ? 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))
[  520.292182][T10973]  ? 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))
[  520.292187][T10973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.292191][T10973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.292194][T10973]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  520.292198][T10973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.292202][T10973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.292206][T10973]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  520.292208][T10973]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.292214][T10973]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.292217][T10973]  ____sys_sendmsg (net/socket.c:2713)
[  520.292219][T10973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.292222][T10973]  ? sock_write_iter (net/socket.c:1269)
[  520.292223][T10973]  ? move_addr_to_kernel (net/socket.c:258)
[  520.292231][T10973]  ___sys_sendmsg (net/socket.c:2767)
[  520.292234][T10973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.292251][T10973]  __sys_sendmsg (net/socket.c:2799)
[  520.292254][T10973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.292260][T10973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.292263][T10973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.292267][T10973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.292270][T10973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.292272][T10973] RIP: 0033:0x7f26086bf54e
[  520.292276][T10973] 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
[  520.292278][T10973] RSP: 002b:00007ffc74f279e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.292281][T10973] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f26086bf54e
[  520.292283][T10973] RDX: 0000000000000000 RSI: 00007ffc74f27a90 RDI: 0000000000000005
[  520.292284][T10973] RBP: 00007ffc74f279f0 R08: 0000000000000000 R09: 0000000000000000
[  520.292285][T10973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127d8
[  520.292286][T10973] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc74f28160
| [  529.190812][T11116] softirqs last disabled at (29550): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  529.190815][T11116] Preemption disabled at:
| [  529.190816][T11116] vprintk_emit (kernel/printk/printk.c:2471)
| [  529.190825][T11116] Tainted: [W]=WARN
[  529.190826][T11116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  529.190827][T11116] Call Trace:
[  529.190829][T11116]  <TASK>
[  529.190831][T11116]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  529.190837][T11116]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  529.190838][T11116]  __might_resched.cold (kernel/sched/core.c:9234)
[  529.190843][T11116]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  529.190848][T11116]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  529.190852][T11116]  __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))
[  529.190854][T11116]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.190861][T11116]  ? 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)
[  529.190864][T11116]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.190868][T11116]  put_chars (drivers/char/virtio_console.c:1176)
[  529.190871][T11116]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  529.190877][T11116]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  529.190885][T11116]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  529.190888][T11116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.190893][T11116]  console_emit_next_record (kernel/printk/printk.c:3183)
[  529.190897][T11116]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  529.190899][T11116]  ? 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))
[  529.190902][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.190905][T11116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.190909][T11116]  console_flush_one_record (kernel/printk/printk.c:3268)
[  529.190914][T11116]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  529.190916][T11116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.190921][T11116]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  529.190924][T11116]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  529.190926][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.190928][T11116]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  529.190932][T11116]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  529.190934][T11116]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  529.190937][T11116]  vprintk_emit (kernel/printk/printk.c:2479)
[  529.190940][T11116]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  529.190943][T11116]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  529.190948][T11116]  _printk (kernel/printk/printk.c:2504)
[  529.190952][T11116]  ? snapshot_read.cold (user.c:?)
[  529.190954][T11116]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  529.190956][T11116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  529.190959][T11116]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  529.190961][T11116]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  529.190965][T11116]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  529.190968][T11116]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.190970][T11116]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  529.190973][T11116]  ? netdev_notice (net/core/dev.c:13194)
[  529.190976][T11116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.190979][T11116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.190982][T11116]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  529.190986][T11116]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.190988][T11116]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  529.190990][T11116]  ? register_netdev (net/core/dev.c:11618)
[  529.190992][T11116]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  529.190997][T11116]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  529.191000][T11116]  ? __kernel_text_address (kernel/extable.c:79)
[  529.191002][T11116]  ? write_profile (profile.c:?)
[  529.191007][T11116]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  529.191013][T11116]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.191016][T11116]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  529.191018][T11116]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  529.191020][T11116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  529.191022][T11116]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  529.191025][T11116]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  529.191027][T11116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  529.191029][T11116]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  529.191031][T11116]  ? kasan_save_stack (mm/kasan/common.c:58)
[  529.191033][T11116]  ? kasan_save_stack (mm/kasan/common.c:57)
[  529.191035][T11116]  ? kasan_save_track (mm/kasan/common.c:78)
[  529.191036][T11116]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  529.191038][T11116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.191040][T11116]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  529.191044][T11116]  ? ___sys_sendmsg (net/socket.c:2758)
[  529.191048][T11116]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.191050][T11116]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.191053][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.191055][T11116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.191056][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.191057][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.191059][T11116]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  529.191061][T11116]  ? __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)
[  529.191063][T11116]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  529.191065][T11116]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.191068][T11116]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  529.191069][T11116]  ? nla_get_range_signed (lib/nlattr.c:270)
[  529.191074][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.191077][T11116]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  529.191082][T11116]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  529.191087][T11116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.191089][T11116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.191094][T11116]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.191096][T11116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.191098][T11116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.191100][T11116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.191104][T11116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.191106][T11116]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  529.191109][T11116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.191110][T11116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  529.191115][T11116]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  529.191117][T11116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.191121][T11116]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  529.191124][T11116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.191133][T11116]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  529.191140][T11116]  ? 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))
[  529.191142][T11116]  ? 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))
[  529.191147][T11116]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  529.191151][T11116]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  529.191154][T11116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  529.191158][T11116]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  529.191162][T11116]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  529.191166][T11116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  529.191168][T11116]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  529.191177][T11116]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  529.191180][T11116]  ____sys_sendmsg (net/socket.c:2713)
[  529.191182][T11116]  ? copy_msghdr_from_user (net/socket.c:2650)
[  529.191185][T11116]  ? sock_write_iter (net/socket.c:1269)
[  529.191186][T11116]  ? move_addr_to_kernel (net/socket.c:258)
[  529.191194][T11116]  ___sys_sendmsg (net/socket.c:2767)
[  529.191197][T11116]  ? copy_msghdr_from_user (net/socket.c:2619)
[  529.191214][T11116]  __sys_sendmsg (net/socket.c:2799)
[  529.191216][T11116]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  529.191223][T11116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.191226][T11116]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  529.191229][T11116]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  529.191232][T11116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  529.191235][T11116] RIP: 0033:0x7f2f843e054e
[  529.191239][T11116] 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
[  529.191241][T11116] RSP: 002b:00007ffccbed5ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  529.191243][T11116] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f843e054e
[  529.191245][T11116] RDX: 0000000000000000 RSI: 00007ffccbed5f80 RDI: 0000000000000005
[  529.191246][T11116] RBP: 00007ffccbed5ee0 R08: 0000000000000000 R09: 0000000000000000
[  529.191247][T11116] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127e1
[  529.191248][T11116] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccbed6650
| [  538.036850][T11259] softirqs last disabled at (19416): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  538.036853][T11259] Preemption disabled at:
| [  538.036853][T11259] vprintk_emit (kernel/printk/printk.c:2471)
| [  538.036862][T11259] Tainted: [W]=WARN
[  538.036863][T11259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.036865][T11259] Call Trace:
[  538.036867][T11259]  <TASK>
[  538.036868][T11259]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  538.036874][T11259]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  538.036876][T11259]  __might_resched.cold (kernel/sched/core.c:9234)
[  538.036880][T11259]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  538.036885][T11259]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  538.036889][T11259]  __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))
[  538.036891][T11259]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.036899][T11259]  ? 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)
[  538.036901][T11259]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.036905][T11259]  put_chars (drivers/char/virtio_console.c:1176)
[  538.036908][T11259]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  538.036914][T11259]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  538.036922][T11259]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  538.036925][T11259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.036930][T11259]  console_emit_next_record (kernel/printk/printk.c:3183)
[  538.036934][T11259]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  538.036936][T11259]  ? 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))
[  538.036939][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.036942][T11259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.036946][T11259]  console_flush_one_record (kernel/printk/printk.c:3268)
[  538.036951][T11259]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  538.036953][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.036958][T11259]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  538.036961][T11259]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  538.036963][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.036965][T11259]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  538.036969][T11259]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  538.036971][T11259]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  538.036974][T11259]  vprintk_emit (kernel/printk/printk.c:2479)
[  538.036977][T11259]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  538.036980][T11259]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  538.036985][T11259]  _printk (kernel/printk/printk.c:2504)
[  538.036989][T11259]  ? snapshot_read.cold (user.c:?)
[  538.036991][T11259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.036993][T11259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.036996][T11259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.036998][T11259]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  538.037002][T11259]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  538.037005][T11259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.037007][T11259]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  538.037010][T11259]  ? netdev_notice (net/core/dev.c:13194)
[  538.037013][T11259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.037016][T11259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.037019][T11259]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  538.037023][T11259]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.037025][T11259]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  538.037027][T11259]  ? register_netdev (net/core/dev.c:11618)
[  538.037029][T11259]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  538.037034][T11259]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  538.037037][T11259]  ? __kernel_text_address (kernel/extable.c:79)
[  538.037039][T11259]  ? write_profile (profile.c:?)
[  538.037043][T11259]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  538.037049][T11259]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  538.037053][T11259]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  538.037055][T11259]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  538.037056][T11259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  538.037058][T11259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  538.037062][T11259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  538.037064][T11259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  538.037066][T11259]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  538.037068][T11259]  ? kasan_save_stack (mm/kasan/common.c:58)
[  538.037070][T11259]  ? kasan_save_stack (mm/kasan/common.c:57)
[  538.037071][T11259]  ? kasan_save_track (mm/kasan/common.c:78)
[  538.037073][T11259]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  538.037075][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.037077][T11259]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  538.037080][T11259]  ? ___sys_sendmsg (net/socket.c:2758)
[  538.037084][T11259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.037086][T11259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.037089][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.037091][T11259]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.037093][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.037094][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.037096][T11259]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  538.037098][T11259]  ? __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)
[  538.037099][T11259]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  538.037101][T11259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  538.037104][T11259]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  538.037106][T11259]  ? nla_get_range_signed (lib/nlattr.c:270)
[  538.037111][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.037113][T11259]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  538.037118][T11259]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  538.037124][T11259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.037126][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.037131][T11259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.037133][T11259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.037135][T11259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.037136][T11259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.037140][T11259]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  538.037142][T11259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  538.037146][T11259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.037147][T11259]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  538.037152][T11259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  538.037154][T11259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.037157][T11259]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  538.037160][T11259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  538.037163][T11259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  538.037170][T11259]  ? 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))
[  538.037175][T11259]  ? 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))
[  538.037180][T11259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  538.037184][T11259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  538.037193][T11259]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  538.037198][T11259]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  538.037202][T11259]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  538.037206][T11259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  538.037208][T11259]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  538.037213][T11259]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  538.037216][T11259]  ____sys_sendmsg (net/socket.c:2713)
[  538.037218][T11259]  ? copy_msghdr_from_user (net/socket.c:2650)
[  538.037221][T11259]  ? sock_write_iter (net/socket.c:1269)
[  538.037222][T11259]  ? move_addr_to_kernel (net/socket.c:258)
[  538.037230][T11259]  ___sys_sendmsg (net/socket.c:2767)
[  538.037233][T11259]  ? copy_msghdr_from_user (net/socket.c:2619)
[  538.037249][T11259]  __sys_sendmsg (net/socket.c:2799)
[  538.037252][T11259]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  538.037258][T11259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.037261][T11259]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  538.037264][T11259]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  538.037268][T11259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  538.037270][T11259] RIP: 0033:0x7f3f82aed54e
[  538.037274][T11259] 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
[  538.037276][T11259] RSP: 002b:00007ffefab48b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  538.037279][T11259] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3f82aed54e
[  538.037280][T11259] RDX: 0000000000000000 RSI: 00007ffefab48bf0 RDI: 0000000000000005
[  538.037281][T11259] RBP: 00007ffefab48b50 R08: 0000000000000000 R09: 0000000000000000
[  538.037282][T11259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127ea
[  538.037283][T11259] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefab492c0
| [  547.071265][T11405] softirqs last disabled at (18914): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  547.071269][T11405] Preemption disabled at:
| [  547.071269][T11405] vprintk_emit (kernel/printk/printk.c:2471)
| [  547.071278][T11405] Tainted: [W]=WARN
[  547.071280][T11405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  547.071281][T11405] Call Trace:
[  547.071283][T11405]  <TASK>
[  547.071286][T11405]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  547.071292][T11405]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  547.071294][T11405]  __might_resched.cold (kernel/sched/core.c:9234)
[  547.071298][T11405]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  547.071303][T11405]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  547.071307][T11405]  __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))
[  547.071309][T11405]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  547.071316][T11405]  ? 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)
[  547.071319][T11405]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  547.071323][T11405]  put_chars (drivers/char/virtio_console.c:1176)
[  547.071325][T11405]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  547.071332][T11405]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  547.071340][T11405]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  547.071343][T11405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.071348][T11405]  console_emit_next_record (kernel/printk/printk.c:3183)
[  547.071352][T11405]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  547.071354][T11405]  ? 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))
[  547.071357][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071360][T11405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.071364][T11405]  console_flush_one_record (kernel/printk/printk.c:3268)
[  547.071368][T11405]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  547.071371][T11405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  547.071376][T11405]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  547.071379][T11405]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  547.071381][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071383][T11405]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  547.071386][T11405]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  547.071388][T11405]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  547.071391][T11405]  vprintk_emit (kernel/printk/printk.c:2479)
[  547.071395][T11405]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  547.071397][T11405]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  547.071402][T11405]  _printk (kernel/printk/printk.c:2504)
[  547.071406][T11405]  ? snapshot_read.cold (user.c:?)
[  547.071408][T11405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  547.071411][T11405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  547.071414][T11405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  547.071416][T11405]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  547.071420][T11405]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  547.071423][T11405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  547.071425][T11405]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  547.071428][T11405]  ? netdev_notice (net/core/dev.c:13194)
[  547.071431][T11405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  547.071434][T11405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  547.071437][T11405]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  547.071440][T11405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  547.071443][T11405]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  547.071445][T11405]  ? register_netdev (net/core/dev.c:11618)
[  547.071446][T11405]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  547.071452][T11405]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  547.071454][T11405]  ? __kernel_text_address (kernel/extable.c:79)
[  547.071457][T11405]  ? write_profile (profile.c:?)
[  547.071461][T11405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  547.071467][T11405]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  547.071470][T11405]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  547.071473][T11405]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  547.071474][T11405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  547.071476][T11405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  547.071479][T11405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  547.071481][T11405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  547.071483][T11405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  547.071486][T11405]  ? kasan_save_stack (mm/kasan/common.c:58)
[  547.071488][T11405]  ? kasan_save_stack (mm/kasan/common.c:57)
[  547.071489][T11405]  ? kasan_save_track (mm/kasan/common.c:78)
[  547.071490][T11405]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  547.071493][T11405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  547.071495][T11405]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  547.071498][T11405]  ? ___sys_sendmsg (net/socket.c:2758)
[  547.071502][T11405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  547.071504][T11405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  547.071507][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071508][T11405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.071510][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071511][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071513][T11405]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  547.071515][T11405]  ? __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)
[  547.071517][T11405]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  547.071519][T11405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  547.071522][T11405]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  547.071523][T11405]  ? nla_get_range_signed (lib/nlattr.c:270)
[  547.071528][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071530][T11405]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  547.071536][T11405]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  547.071541][T11405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  547.071543][T11405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  547.071548][T11405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  547.071550][T11405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  547.071552][T11405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  547.071554][T11405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  547.071557][T11405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  547.071560][T11405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  547.071563][T11405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  547.071564][T11405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  547.071569][T11405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  547.071571][T11405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  547.071575][T11405]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  547.071578][T11405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  547.071581][T11405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  547.071587][T11405]  ? 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))
[  547.071589][T11405]  ? 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))
[  547.071594][T11405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  547.071598][T11405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  547.071601][T11405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  547.071605][T11405]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  547.071609][T11405]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  547.071613][T11405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  547.071615][T11405]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  547.071620][T11405]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  547.071623][T11405]  ____sys_sendmsg (net/socket.c:2713)
[  547.071625][T11405]  ? copy_msghdr_from_user (net/socket.c:2650)
[  547.071628][T11405]  ? sock_write_iter (net/socket.c:1269)
[  547.071629][T11405]  ? move_addr_to_kernel (net/socket.c:258)
[  547.071637][T11405]  ___sys_sendmsg (net/socket.c:2767)
[  547.071640][T11405]  ? copy_msghdr_from_user (net/socket.c:2619)
[  547.071656][T11405]  __sys_sendmsg (net/socket.c:2799)
[  547.071658][T11405]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  547.071665][T11405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.071668][T11405]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  547.071671][T11405]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  547.071674][T11405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  547.071676][T11405] RIP: 0033:0x7f7b1f21454e
[  547.071680][T11405] 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
[  547.071683][T11405] RSP: 002b:00007ffe887dfe00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  547.071687][T11405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7b1f21454e
[  547.071689][T11405] RDX: 0000000000000000 RSI: 00007ffe887dfeb0 RDI: 0000000000000005
[  547.071691][T11405] RBP: 00007ffe887dfe10 R08: 0000000000000000 R09: 0000000000000000
[  547.071692][T11405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127f3
[  547.071693][T11405] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe887e0580
| [  555.970027][T11548] softirqs last disabled at (17602): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  555.970029][T11548] Preemption disabled at:
| [  555.970030][T11548] vprintk_emit (kernel/printk/printk.c:2471)
| [  555.970039][T11548] Tainted: [W]=WARN
[  555.970040][T11548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  555.970041][T11548] Call Trace:
[  555.970043][T11548]  <TASK>
[  555.970045][T11548]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  555.970051][T11548]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  555.970053][T11548]  __might_resched.cold (kernel/sched/core.c:9234)
[  555.970057][T11548]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  555.970062][T11548]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  555.970066][T11548]  __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))
[  555.970068][T11548]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.970075][T11548]  ? 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)
[  555.970078][T11548]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.970082][T11548]  put_chars (drivers/char/virtio_console.c:1176)
[  555.970085][T11548]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  555.970091][T11548]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  555.970099][T11548]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  555.970103][T11548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.970108][T11548]  console_emit_next_record (kernel/printk/printk.c:3183)
[  555.970112][T11548]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  555.970114][T11548]  ? 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))
[  555.970118][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970120][T11548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.970125][T11548]  console_flush_one_record (kernel/printk/printk.c:3268)
[  555.970129][T11548]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  555.970131][T11548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.970137][T11548]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  555.970140][T11548]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  555.970142][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970144][T11548]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  555.970148][T11548]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  555.970150][T11548]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  555.970153][T11548]  vprintk_emit (kernel/printk/printk.c:2479)
[  555.970156][T11548]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  555.970159][T11548]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  555.970164][T11548]  _printk (kernel/printk/printk.c:2504)
[  555.970168][T11548]  ? snapshot_read.cold (user.c:?)
[  555.970170][T11548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  555.970176][T11548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  555.970179][T11548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  555.970181][T11548]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  555.970185][T11548]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  555.970188][T11548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  555.970191][T11548]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  555.970194][T11548]  ? netdev_notice (net/core/dev.c:13194)
[  555.970197][T11548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.970200][T11548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.970203][T11548]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  555.970207][T11548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  555.970209][T11548]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  555.970211][T11548]  ? register_netdev (net/core/dev.c:11618)
[  555.970212][T11548]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  555.970218][T11548]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  555.970221][T11548]  ? __kernel_text_address (kernel/extable.c:79)
[  555.970223][T11548]  ? write_profile (profile.c:?)
[  555.970228][T11548]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  555.970234][T11548]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  555.970237][T11548]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  555.970240][T11548]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  555.970241][T11548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  555.970243][T11548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  555.970246][T11548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  555.970248][T11548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  555.970250][T11548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  555.970253][T11548]  ? kasan_save_stack (mm/kasan/common.c:58)
[  555.970255][T11548]  ? kasan_save_stack (mm/kasan/common.c:57)
[  555.970256][T11548]  ? kasan_save_track (mm/kasan/common.c:78)
[  555.970258][T11548]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  555.970260][T11548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.970262][T11548]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  555.970266][T11548]  ? ___sys_sendmsg (net/socket.c:2758)
[  555.970270][T11548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  555.970272][T11548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  555.970275][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970276][T11548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.970278][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970279][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970281][T11548]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  555.970283][T11548]  ? __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)
[  555.970285][T11548]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  555.970287][T11548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  555.970290][T11548]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  555.970292][T11548]  ? nla_get_range_signed (lib/nlattr.c:270)
[  555.970297][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970299][T11548]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  555.970305][T11548]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.970319][T11548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.970321][T11548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.970326][T11548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  555.970328][T11548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.970330][T11548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.970332][T11548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.970336][T11548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.970338][T11548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  555.970342][T11548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.970343][T11548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.970348][T11548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  555.970350][T11548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.970354][T11548]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  555.970357][T11548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.970360][T11548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  555.970367][T11548]  ? 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))
[  555.970369][T11548]  ? 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))
[  555.970374][T11548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  555.970378][T11548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  555.970381][T11548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.970385][T11548]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  555.970389][T11548]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  555.970394][T11548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.970395][T11548]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  555.970401][T11548]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  555.970404][T11548]  ____sys_sendmsg (net/socket.c:2713)
[  555.970407][T11548]  ? copy_msghdr_from_user (net/socket.c:2650)
[  555.970409][T11548]  ? sock_write_iter (net/socket.c:1269)
[  555.970411][T11548]  ? move_addr_to_kernel (net/socket.c:258)
[  555.970419][T11548]  ___sys_sendmsg (net/socket.c:2767)
[  555.970422][T11548]  ? copy_msghdr_from_user (net/socket.c:2619)
[  555.970439][T11548]  __sys_sendmsg (net/socket.c:2799)
[  555.970441][T11548]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  555.970448][T11548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.970451][T11548]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  555.970454][T11548]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  555.970457][T11548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  555.970460][T11548] RIP: 0033:0x7fbf3682054e
[  555.970464][T11548] 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
[  555.970466][T11548] RSP: 002b:00007ffea190a750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  555.970469][T11548] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbf3682054e
[  555.970471][T11548] RDX: 0000000000000000 RSI: 00007ffea190a800 RDI: 0000000000000005
[  555.970471][T11548] RBP: 00007ffea190a760 R08: 0000000000000000 R09: 0000000000000000
[  555.970472][T11548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127fc
[  555.970473][T11548] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea190aed0
| [  564.859732][T11691] softirqs last disabled at (23424): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  564.859735][T11691] Preemption disabled at:
| [  564.859736][T11691] vprintk_emit (kernel/printk/printk.c:2471)
| [  564.859744][T11691] Tainted: [W]=WARN
[  564.859746][T11691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  564.859747][T11691] Call Trace:
[  564.859749][T11691]  <TASK>
[  564.859750][T11691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  564.859756][T11691]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  564.859758][T11691]  __might_resched.cold (kernel/sched/core.c:9234)
[  564.859762][T11691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  564.859767][T11691]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  564.859771][T11691]  __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))
[  564.859773][T11691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.859780][T11691]  ? 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)
[  564.859783][T11691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.859787][T11691]  put_chars (drivers/char/virtio_console.c:1176)
[  564.859789][T11691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  564.859796][T11691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  564.859804][T11691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  564.859807][T11691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.859811][T11691]  console_emit_next_record (kernel/printk/printk.c:3183)
[  564.859816][T11691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  564.859818][T11691]  ? 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))
[  564.859821][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.859824][T11691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.859828][T11691]  console_flush_one_record (kernel/printk/printk.c:3268)
[  564.859832][T11691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  564.859834][T11691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  564.859840][T11691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  564.859843][T11691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  564.859845][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.859847][T11691]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  564.859851][T11691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  564.859852][T11691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  564.859855][T11691]  vprintk_emit (kernel/printk/printk.c:2479)
[  564.859858][T11691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  564.859861][T11691]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  564.859866][T11691]  _printk (kernel/printk/printk.c:2504)
[  564.859870][T11691]  ? snapshot_read.cold (user.c:?)
[  564.859872][T11691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  564.859875][T11691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  564.859878][T11691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  564.859880][T11691]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  564.859884][T11691]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  564.859887][T11691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  564.859889][T11691]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  564.859892][T11691]  ? netdev_notice (net/core/dev.c:13194)
[  564.859895][T11691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  564.859898][T11691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  564.859901][T11691]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  564.859904][T11691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  564.859907][T11691]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  564.859909][T11691]  ? register_netdev (net/core/dev.c:11618)
[  564.859910][T11691]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  564.859916][T11691]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  564.859919][T11691]  ? __kernel_text_address (kernel/extable.c:79)
[  564.859921][T11691]  ? write_profile (profile.c:?)
[  564.859925][T11691]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  564.859931][T11691]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  564.859935][T11691]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  564.859937][T11691]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  564.859938][T11691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  564.859940][T11691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  564.859944][T11691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  564.859946][T11691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  564.859948][T11691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  564.859950][T11691]  ? kasan_save_stack (mm/kasan/common.c:58)
[  564.859952][T11691]  ? kasan_save_stack (mm/kasan/common.c:57)
[  564.859954][T11691]  ? kasan_save_track (mm/kasan/common.c:78)
[  564.859955][T11691]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  564.859957][T11691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  564.859959][T11691]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  564.859963][T11691]  ? ___sys_sendmsg (net/socket.c:2758)
[  564.859967][T11691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  564.859969][T11691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  564.859971][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.859973][T11691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.859975][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.859976][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.859978][T11691]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  564.859980][T11691]  ? __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)
[  564.859981][T11691]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  564.859983][T11691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  564.859987][T11691]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  564.859988][T11691]  ? nla_get_range_signed (lib/nlattr.c:270)
[  564.859993][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.859995][T11691]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  564.860001][T11691]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  564.860006][T11691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.860008][T11691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  564.860013][T11691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  564.860015][T11691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  564.860017][T11691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.860019][T11691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  564.860023][T11691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.860025][T11691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  564.860028][T11691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.860029][T11691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  564.860034][T11691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  564.860036][T11691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  564.860039][T11691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  564.860043][T11691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.860046][T11691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  564.860052][T11691]  ? 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))
[  564.860055][T11691]  ? 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))
[  564.860059][T11691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  564.860063][T11691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  564.860066][T11691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  564.860070][T11691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  564.860074][T11691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  564.860078][T11691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  564.860080][T11691]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  564.860086][T11691]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  564.860089][T11691]  ____sys_sendmsg (net/socket.c:2713)
[  564.860091][T11691]  ? copy_msghdr_from_user (net/socket.c:2650)
[  564.860093][T11691]  ? sock_write_iter (net/socket.c:1269)
[  564.860095][T11691]  ? move_addr_to_kernel (net/socket.c:258)
[  564.860103][T11691]  ___sys_sendmsg (net/socket.c:2767)
[  564.860106][T11691]  ? copy_msghdr_from_user (net/socket.c:2619)
[  564.860122][T11691]  __sys_sendmsg (net/socket.c:2799)
[  564.860125][T11691]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  564.860132][T11691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.860135][T11691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  564.860138][T11691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  564.860141][T11691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  564.860143][T11691] RIP: 0033:0x7fc20315154e
[  564.860147][T11691] 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
[  564.860150][T11691] RSP: 002b:00007ffd75090b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  564.860152][T11691] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc20315154e
[  564.860154][T11691] RDX: 0000000000000000 RSI: 00007ffd75090c20 RDI: 0000000000000005
[  564.860155][T11691] RBP: 00007ffd75090b80 R08: 0000000000000000 R09: 0000000000000000
[  564.860156][T11691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912805
[  564.860157][T11691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd750912f0
| [  573.776813][T11833] softirqs last disabled at (24348): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  573.776815][T11833] Preemption disabled at:
| [  573.776816][T11833] vprintk_emit (kernel/printk/printk.c:2471)
| [  573.776825][T11833] Tainted: [W]=WARN
[  573.776826][T11833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  573.776828][T11833] Call Trace:
[  573.776829][T11833]  <TASK>
[  573.776831][T11833]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  573.776837][T11833]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  573.776839][T11833]  __might_resched.cold (kernel/sched/core.c:9234)
[  573.776843][T11833]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.776848][T11833]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  573.776852][T11833]  __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))
[  573.776854][T11833]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.776861][T11833]  ? 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)
[  573.776864][T11833]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.776868][T11833]  put_chars (drivers/char/virtio_console.c:1176)
[  573.776870][T11833]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  573.776877][T11833]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  573.776885][T11833]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  573.776888][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.776892][T11833]  console_emit_next_record (kernel/printk/printk.c:3183)
[  573.776897][T11833]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  573.776899][T11833]  ? 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))
[  573.776902][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.776905][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.776909][T11833]  console_flush_one_record (kernel/printk/printk.c:3268)
[  573.776913][T11833]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  573.776915][T11833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.776921][T11833]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  573.776924][T11833]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  573.776926][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.776927][T11833]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  573.776931][T11833]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  573.776933][T11833]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  573.776936][T11833]  vprintk_emit (kernel/printk/printk.c:2479)
[  573.776939][T11833]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  573.776942][T11833]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  573.776947][T11833]  _printk (kernel/printk/printk.c:2504)
[  573.776951][T11833]  ? snapshot_read.cold (user.c:?)
[  573.776953][T11833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  573.776956][T11833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  573.776959][T11833]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  573.776961][T11833]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  573.776965][T11833]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  573.776968][T11833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.776970][T11833]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  573.776973][T11833]  ? netdev_notice (net/core/dev.c:13194)
[  573.776976][T11833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  573.776979][T11833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  573.776982][T11833]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  573.776985][T11833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.776988][T11833]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  573.776990][T11833]  ? register_netdev (net/core/dev.c:11618)
[  573.776991][T11833]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  573.776997][T11833]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  573.776999][T11833]  ? __kernel_text_address (kernel/extable.c:79)
[  573.777002][T11833]  ? write_profile (profile.c:?)
[  573.777006][T11833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  573.777012][T11833]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.777015][T11833]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  573.777018][T11833]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  573.777019][T11833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  573.777021][T11833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  573.777024][T11833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  573.777026][T11833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  573.777028][T11833]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  573.777031][T11833]  ? kasan_save_stack (mm/kasan/common.c:58)
[  573.777033][T11833]  ? kasan_save_stack (mm/kasan/common.c:57)
[  573.777034][T11833]  ? kasan_save_track (mm/kasan/common.c:78)
[  573.777035][T11833]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  573.777038][T11833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.777040][T11833]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  573.777043][T11833]  ? ___sys_sendmsg (net/socket.c:2758)
[  573.777047][T11833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  573.777049][T11833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  573.777052][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.777054][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.777056][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.777057][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.777058][T11833]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  573.777061][T11833]  ? __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)
[  573.777062][T11833]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  573.777064][T11833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  573.777067][T11833]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  573.777069][T11833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  573.777074][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.777076][T11833]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  573.777081][T11833]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  573.777087][T11833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.777089][T11833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.777093][T11833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  573.777095][T11833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  573.777097][T11833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.777099][T11833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  573.777103][T11833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.777105][T11833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  573.777109][T11833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  573.777110][T11833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  573.777115][T11833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  573.777117][T11833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  573.777120][T11833]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  573.777124][T11833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  573.777127][T11833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  573.777133][T11833]  ? 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))
[  573.777136][T11833]  ? 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))
[  573.777140][T11833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  573.777145][T11833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  573.777147][T11833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  573.777152][T11833]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  573.777156][T11833]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  573.777160][T11833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  573.777162][T11833]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  573.777167][T11833]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  573.777170][T11833]  ____sys_sendmsg (net/socket.c:2713)
[  573.777176][T11833]  ? copy_msghdr_from_user (net/socket.c:2650)
[  573.777178][T11833]  ? sock_write_iter (net/socket.c:1269)
[  573.777180][T11833]  ? move_addr_to_kernel (net/socket.c:258)
[  573.777188][T11833]  ___sys_sendmsg (net/socket.c:2767)
[  573.777190][T11833]  ? copy_msghdr_from_user (net/socket.c:2619)
[  573.777207][T11833]  __sys_sendmsg (net/socket.c:2799)
[  573.777210][T11833]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  573.777216][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.777220][T11833]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  573.777223][T11833]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  573.777226][T11833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.777228][T11833] RIP: 0033:0x7f2e7ff5c54e
[  573.777232][T11833] 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
[  573.777235][T11833] RSP: 002b:00007ffc5e89f230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  573.777238][T11833] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2e7ff5c54e
[  573.777239][T11833] RDX: 0000000000000000 RSI: 00007ffc5e89f2e0 RDI: 0000000000000005
[  573.777240][T11833] RBP: 00007ffc5e89f240 R08: 0000000000000000 R09: 0000000000000000
[  573.777241][T11833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91280e
[  573.777242][T11833] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5e89f9b0
| [  582.717138][T11976] softirqs last disabled at (25664): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  582.717141][T11976] Preemption disabled at:
| [  582.717141][T11976] vprintk_emit (kernel/printk/printk.c:2471)
| [  582.717150][T11976] Tainted: [W]=WARN
[  582.717151][T11976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  582.717153][T11976] Call Trace:
[  582.717155][T11976]  <TASK>
[  582.717156][T11976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  582.717162][T11976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  582.717164][T11976]  __might_resched.cold (kernel/sched/core.c:9234)
[  582.717169][T11976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  582.717175][T11976]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  582.717180][T11976]  __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))
[  582.717182][T11976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  582.717189][T11976]  ? 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)
[  582.717192][T11976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  582.717195][T11976]  put_chars (drivers/char/virtio_console.c:1176)
[  582.717198][T11976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  582.717205][T11976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  582.717213][T11976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  582.717216][T11976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.717221][T11976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  582.717225][T11976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  582.717227][T11976]  ? 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))
[  582.717231][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717233][T11976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.717237][T11976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  582.717242][T11976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  582.717244][T11976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  582.717249][T11976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  582.717252][T11976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  582.717254][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717256][T11976]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  582.717260][T11976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  582.717262][T11976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  582.717265][T11976]  vprintk_emit (kernel/printk/printk.c:2479)
[  582.717268][T11976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  582.717271][T11976]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  582.717276][T11976]  _printk (kernel/printk/printk.c:2504)
[  582.717279][T11976]  ? snapshot_read.cold (user.c:?)
[  582.717281][T11976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  582.717284][T11976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  582.717287][T11976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  582.717289][T11976]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  582.717293][T11976]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  582.717296][T11976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  582.717298][T11976]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  582.717301][T11976]  ? netdev_notice (net/core/dev.c:13194)
[  582.717304][T11976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  582.717307][T11976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  582.717310][T11976]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  582.717313][T11976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  582.717316][T11976]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  582.717318][T11976]  ? register_netdev (net/core/dev.c:11618)
[  582.717319][T11976]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  582.717325][T11976]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  582.717328][T11976]  ? __kernel_text_address (kernel/extable.c:79)
[  582.717331][T11976]  ? write_profile (profile.c:?)
[  582.717335][T11976]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  582.717341][T11976]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  582.717344][T11976]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  582.717347][T11976]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  582.717348][T11976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  582.717350][T11976]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  582.717354][T11976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  582.717356][T11976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  582.717358][T11976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  582.717360][T11976]  ? kasan_save_stack (mm/kasan/common.c:58)
[  582.717362][T11976]  ? kasan_save_stack (mm/kasan/common.c:57)
[  582.717363][T11976]  ? kasan_save_track (mm/kasan/common.c:78)
[  582.717365][T11976]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  582.717367][T11976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  582.717369][T11976]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  582.717372][T11976]  ? ___sys_sendmsg (net/socket.c:2758)
[  582.717377][T11976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  582.717379][T11976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  582.717381][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717383][T11976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.717385][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717386][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717388][T11976]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  582.717390][T11976]  ? __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)
[  582.717392][T11976]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  582.717394][T11976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  582.717397][T11976]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  582.717398][T11976]  ? nla_get_range_signed (lib/nlattr.c:270)
[  582.717404][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717406][T11976]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  582.717411][T11976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  582.717417][T11976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.717419][T11976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  582.717424][T11976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  582.717426][T11976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  582.717428][T11976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.717430][T11976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  582.717433][T11976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.717436][T11976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  582.717439][T11976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  582.717440][T11976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  582.717445][T11976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  582.717447][T11976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  582.717451][T11976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  582.717454][T11976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  582.717457][T11976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  582.717464][T11976]  ? 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))
[  582.717466][T11976]  ? 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))
[  582.717470][T11976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  582.717475][T11976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  582.717477][T11976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  582.717482][T11976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  582.717486][T11976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  582.717490][T11976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  582.717491][T11976]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  582.717503][T11976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  582.717506][T11976]  ____sys_sendmsg (net/socket.c:2713)
[  582.717508][T11976]  ? copy_msghdr_from_user (net/socket.c:2650)
[  582.717511][T11976]  ? sock_write_iter (net/socket.c:1269)
[  582.717512][T11976]  ? move_addr_to_kernel (net/socket.c:258)
[  582.717520][T11976]  ___sys_sendmsg (net/socket.c:2767)
[  582.717523][T11976]  ? copy_msghdr_from_user (net/socket.c:2619)
[  582.717539][T11976]  __sys_sendmsg (net/socket.c:2799)
[  582.717542][T11976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  582.717549][T11976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.717552][T11976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  582.717555][T11976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  582.717558][T11976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  582.717560][T11976] RIP: 0033:0x7f22e386654e
[  582.717564][T11976] 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
[  582.717566][T11976] RSP: 002b:00007fffd51ea020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  582.717569][T11976] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f22e386654e
[  582.717571][T11976] RDX: 0000000000000000 RSI: 00007fffd51ea0d0 RDI: 0000000000000005
[  582.717572][T11976] RBP: 00007fffd51ea030 R08: 0000000000000000 R09: 0000000000000000
[  582.717572][T11976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912817
[  582.717573][T11976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd51ea7a0
| [  591.685922][T12119] softirqs last disabled at (28092): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  591.685925][T12119] Preemption disabled at:
| [  591.685925][T12119] vprintk_emit (kernel/printk/printk.c:2471)
| [  591.685934][T12119] Tainted: [W]=WARN
[  591.685936][T12119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  591.685937][T12119] Call Trace:
[  591.685939][T12119]  <TASK>
[  591.685941][T12119]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  591.685947][T12119]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  591.685948][T12119]  __might_resched.cold (kernel/sched/core.c:9234)
[  591.685953][T12119]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  591.685957][T12119]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  591.685962][T12119]  __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))
[  591.685964][T12119]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  591.685971][T12119]  ? 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)
[  591.685974][T12119]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  591.685978][T12119]  put_chars (drivers/char/virtio_console.c:1176)
[  591.685980][T12119]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  591.685987][T12119]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  591.685995][T12119]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  591.685999][T12119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.686003][T12119]  console_emit_next_record (kernel/printk/printk.c:3183)
[  591.686008][T12119]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  591.686010][T12119]  ? 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))
[  591.686013][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686016][T12119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.686020][T12119]  console_flush_one_record (kernel/printk/printk.c:3268)
[  591.686025][T12119]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  591.686027][T12119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  591.686032][T12119]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  591.686036][T12119]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  591.686038][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686039][T12119]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  591.686043][T12119]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  591.686045][T12119]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  591.686048][T12119]  vprintk_emit (kernel/printk/printk.c:2479)
[  591.686052][T12119]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  591.686054][T12119]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  591.686060][T12119]  _printk (kernel/printk/printk.c:2504)
[  591.686064][T12119]  ? snapshot_read.cold (user.c:?)
[  591.686066][T12119]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  591.686069][T12119]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  591.686072][T12119]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  591.686074][T12119]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  591.686078][T12119]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  591.686081][T12119]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  591.686083][T12119]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  591.686086][T12119]  ? netdev_notice (net/core/dev.c:13194)
[  591.686089][T12119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  591.686093][T12119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  591.686095][T12119]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  591.686099][T12119]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  591.686101][T12119]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  591.686104][T12119]  ? register_netdev (net/core/dev.c:11618)
[  591.686106][T12119]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  591.686111][T12119]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  591.686114][T12119]  ? __kernel_text_address (kernel/extable.c:79)
[  591.686117][T12119]  ? write_profile (profile.c:?)
[  591.686121][T12119]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  591.686127][T12119]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  591.686130][T12119]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  591.686133][T12119]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  591.686134][T12119]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  591.686136][T12119]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  591.686140][T12119]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  591.686142][T12119]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  591.686144][T12119]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  591.686146][T12119]  ? kasan_save_stack (mm/kasan/common.c:58)
[  591.686149][T12119]  ? kasan_save_stack (mm/kasan/common.c:57)
[  591.686150][T12119]  ? kasan_save_track (mm/kasan/common.c:78)
[  591.686151][T12119]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  591.686154][T12119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  591.686156][T12119]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  591.686159][T12119]  ? ___sys_sendmsg (net/socket.c:2758)
[  591.686163][T12119]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  591.686166][T12119]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  591.686168][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686170][T12119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.686175][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686177][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686178][T12119]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  591.686181][T12119]  ? __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)
[  591.686182][T12119]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  591.686184][T12119]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  591.686188][T12119]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  591.686189][T12119]  ? nla_get_range_signed (lib/nlattr.c:270)
[  591.686195][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686197][T12119]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  591.686203][T12119]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  591.686208][T12119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  591.686211][T12119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  591.686215][T12119]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  591.686217][T12119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  591.686220][T12119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  591.686221][T12119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  591.686225][T12119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  591.686228][T12119]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  591.686231][T12119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  591.686232][T12119]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  591.686237][T12119]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  591.686239][T12119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  591.686243][T12119]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  591.686246][T12119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  591.686249][T12119]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  591.686256][T12119]  ? 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))
[  591.686258][T12119]  ? 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))
[  591.686263][T12119]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  591.686267][T12119]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  591.686270][T12119]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  591.686275][T12119]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  591.686279][T12119]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  591.686283][T12119]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  591.686285][T12119]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  591.686291][T12119]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  591.686294][T12119]  ____sys_sendmsg (net/socket.c:2713)
[  591.686296][T12119]  ? copy_msghdr_from_user (net/socket.c:2650)
[  591.686299][T12119]  ? sock_write_iter (net/socket.c:1269)
[  591.686300][T12119]  ? move_addr_to_kernel (net/socket.c:258)
[  591.686308][T12119]  ___sys_sendmsg (net/socket.c:2767)
[  591.686311][T12119]  ? copy_msghdr_from_user (net/socket.c:2619)
[  591.686328][T12119]  __sys_sendmsg (net/socket.c:2799)
[  591.686331][T12119]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  591.686338][T12119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.686341][T12119]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  591.686344][T12119]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  591.686347][T12119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  591.686350][T12119] RIP: 0033:0x7f8eb75bf54e
[  591.686354][T12119] 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
[  591.686356][T12119] RSP: 002b:00007ffd8d4509f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  591.686359][T12119] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8eb75bf54e
[  591.686361][T12119] RDX: 0000000000000000 RSI: 00007ffd8d450aa0 RDI: 0000000000000005
[  591.686362][T12119] RBP: 00007ffd8d450a00 R08: 0000000000000000 R09: 0000000000000000
[  591.686363][T12119] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912820
[  591.686364][T12119] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8d451170
| [  600.652747][T12262] softirqs last disabled at (17456): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  600.652749][T12262] Preemption disabled at:
| [  600.652750][T12262] vprintk_emit (kernel/printk/printk.c:2471)
| [  600.652759][T12262] Tainted: [W]=WARN
[  600.652761][T12262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  600.652762][T12262] Call Trace:
[  600.652764][T12262]  <TASK>
[  600.652765][T12262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  600.652771][T12262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  600.652773][T12262]  __might_resched.cold (kernel/sched/core.c:9234)
[  600.652778][T12262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  600.652782][T12262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  600.652786][T12262]  __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))
[  600.652788][T12262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.652795][T12262]  ? 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)
[  600.652798][T12262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.652802][T12262]  put_chars (drivers/char/virtio_console.c:1176)
[  600.652805][T12262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  600.652811][T12262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  600.652819][T12262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  600.652822][T12262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.652827][T12262]  console_emit_next_record (kernel/printk/printk.c:3183)
[  600.652831][T12262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  600.652833][T12262]  ? 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))
[  600.652837][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.652839][T12262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.652844][T12262]  console_flush_one_record (kernel/printk/printk.c:3268)
[  600.652848][T12262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  600.652850][T12262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  600.652855][T12262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  600.652858][T12262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  600.652860][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.652862][T12262]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  600.652866][T12262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  600.652868][T12262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  600.652871][T12262]  vprintk_emit (kernel/printk/printk.c:2479)
[  600.652874][T12262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  600.652877][T12262]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  600.652882][T12262]  _printk (kernel/printk/printk.c:2504)
[  600.652886][T12262]  ? snapshot_read.cold (user.c:?)
[  600.652888][T12262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  600.652891][T12262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  600.652893][T12262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  600.652896][T12262]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  600.652899][T12262]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  600.652902][T12262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  600.652905][T12262]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  600.652908][T12262]  ? netdev_notice (net/core/dev.c:13194)
[  600.652911][T12262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  600.652914][T12262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  600.652917][T12262]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  600.652920][T12262]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  600.652922][T12262]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  600.652925][T12262]  ? register_netdev (net/core/dev.c:11618)
[  600.652926][T12262]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  600.652932][T12262]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  600.652934][T12262]  ? __kernel_text_address (kernel/extable.c:79)
[  600.652937][T12262]  ? write_profile (profile.c:?)
[  600.652941][T12262]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  600.652947][T12262]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  600.652951][T12262]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  600.652953][T12262]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  600.652954][T12262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  600.652956][T12262]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  600.652960][T12262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  600.652962][T12262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  600.652964][T12262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  600.652967][T12262]  ? kasan_save_stack (mm/kasan/common.c:58)
[  600.652969][T12262]  ? kasan_save_stack (mm/kasan/common.c:57)
[  600.652970][T12262]  ? kasan_save_track (mm/kasan/common.c:78)
[  600.652971][T12262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  600.652974][T12262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  600.652976][T12262]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  600.652979][T12262]  ? ___sys_sendmsg (net/socket.c:2758)
[  600.652983][T12262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  600.652985][T12262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  600.652988][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.652990][T12262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.652992][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.652993][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.652995][T12262]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  600.652997][T12262]  ? __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)
[  600.652998][T12262]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  600.653000][T12262]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  600.653004][T12262]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  600.653005][T12262]  ? nla_get_range_signed (lib/nlattr.c:270)
[  600.653010][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.653012][T12262]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  600.653018][T12262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  600.653023][T12262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  600.653025][T12262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  600.653030][T12262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  600.653032][T12262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  600.653034][T12262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  600.653036][T12262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  600.653040][T12262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  600.653042][T12262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  600.653045][T12262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  600.653047][T12262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  600.653052][T12262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  600.653054][T12262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  600.653057][T12262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  600.653061][T12262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  600.653064][T12262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  600.653070][T12262]  ? 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))
[  600.653073][T12262]  ? 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))
[  600.653077][T12262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  600.653081][T12262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  600.653084][T12262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  600.653089][T12262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  600.653093][T12262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  600.653097][T12262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  600.653099][T12262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  600.653104][T12262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  600.653107][T12262]  ____sys_sendmsg (net/socket.c:2713)
[  600.653110][T12262]  ? copy_msghdr_from_user (net/socket.c:2650)
[  600.653112][T12262]  ? sock_write_iter (net/socket.c:1269)
[  600.653114][T12262]  ? move_addr_to_kernel (net/socket.c:258)
[  600.653121][T12262]  ___sys_sendmsg (net/socket.c:2767)
[  600.653124][T12262]  ? copy_msghdr_from_user (net/socket.c:2619)
[  600.653141][T12262]  __sys_sendmsg (net/socket.c:2799)
[  600.653144][T12262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  600.653150][T12262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.653154][T12262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  600.653157][T12262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  600.653160][T12262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  600.653162][T12262] RIP: 0033:0x7fc3d845f54e
[  600.653166][T12262] 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
[  600.653168][T12262] RSP: 002b:00007ffe6a788320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  600.653174][T12262] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc3d845f54e
[  600.653175][T12262] RDX: 0000000000000000 RSI: 00007ffe6a7883d0 RDI: 0000000000000005
[  600.653176][T12262] RBP: 00007ffe6a788330 R08: 0000000000000000 R09: 0000000000000000
[  600.653177][T12262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912828
[  600.653178][T12262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6a788aa0
| [  609.591984][T12405] softirqs last disabled at (17262): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  609.591986][T12405] Preemption disabled at:
| [  609.591987][T12405] vprintk_emit (kernel/printk/printk.c:2471)
| [  609.591996][T12405] Tainted: [W]=WARN
[  609.591997][T12405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  609.591999][T12405] Call Trace:
[  609.592000][T12405]  <TASK>
[  609.592002][T12405]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  609.592008][T12405]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  609.592010][T12405]  __might_resched.cold (kernel/sched/core.c:9234)
[  609.592015][T12405]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  609.592019][T12405]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  609.592024][T12405]  __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))
[  609.592026][T12405]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.592033][T12405]  ? 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)
[  609.592036][T12405]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.592040][T12405]  put_chars (drivers/char/virtio_console.c:1176)
[  609.592043][T12405]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  609.592049][T12405]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  609.592057][T12405]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  609.592061][T12405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.592066][T12405]  console_emit_next_record (kernel/printk/printk.c:3183)
[  609.592070][T12405]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  609.592072][T12405]  ? 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))
[  609.592076][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592079][T12405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.592083][T12405]  console_flush_one_record (kernel/printk/printk.c:3268)
[  609.592087][T12405]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  609.592089][T12405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.592095][T12405]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  609.592098][T12405]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  609.592100][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592102][T12405]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  609.592106][T12405]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  609.592108][T12405]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  609.592111][T12405]  vprintk_emit (kernel/printk/printk.c:2479)
[  609.592114][T12405]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  609.592117][T12405]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  609.592122][T12405]  _printk (kernel/printk/printk.c:2504)
[  609.592126][T12405]  ? snapshot_read.cold (user.c:?)
[  609.592128][T12405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  609.592131][T12405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  609.592134][T12405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  609.592136][T12405]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  609.592140][T12405]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  609.592143][T12405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  609.592146][T12405]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  609.592149][T12405]  ? netdev_notice (net/core/dev.c:13194)
[  609.592152][T12405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.592155][T12405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  609.592158][T12405]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  609.592161][T12405]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  609.592164][T12405]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  609.592166][T12405]  ? register_netdev (net/core/dev.c:11618)
[  609.592168][T12405]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  609.592177][T12405]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  609.592179][T12405]  ? __kernel_text_address (kernel/extable.c:79)
[  609.592182][T12405]  ? write_profile (profile.c:?)
[  609.592186][T12405]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  609.592192][T12405]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  609.592196][T12405]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  609.592198][T12405]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  609.592199][T12405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  609.592201][T12405]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  609.592205][T12405]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  609.592207][T12405]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  609.592209][T12405]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  609.592212][T12405]  ? kasan_save_stack (mm/kasan/common.c:58)
[  609.592214][T12405]  ? kasan_save_stack (mm/kasan/common.c:57)
[  609.592215][T12405]  ? kasan_save_track (mm/kasan/common.c:78)
[  609.592216][T12405]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  609.592219][T12405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.592221][T12405]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  609.592224][T12405]  ? ___sys_sendmsg (net/socket.c:2758)
[  609.592228][T12405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  609.592230][T12405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  609.592233][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592235][T12405]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.592237][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592238][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592240][T12405]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  609.592242][T12405]  ? __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)
[  609.592244][T12405]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  609.592246][T12405]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  609.592249][T12405]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  609.592250][T12405]  ? nla_get_range_signed (lib/nlattr.c:270)
[  609.592256][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592258][T12405]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  609.592263][T12405]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  609.592269][T12405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.592271][T12405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.592276][T12405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  609.592278][T12405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.592280][T12405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.592282][T12405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  609.592286][T12405]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.592288][T12405]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  609.592291][T12405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.592293][T12405]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  609.592298][T12405]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  609.592300][T12405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.592303][T12405]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  609.592307][T12405]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.592310][T12405]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  609.592317][T12405]  ? 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))
[  609.592319][T12405]  ? 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))
[  609.592324][T12405]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  609.592328][T12405]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  609.592330][T12405]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  609.592335][T12405]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  609.592339][T12405]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  609.592343][T12405]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  609.592345][T12405]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  609.592351][T12405]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  609.592354][T12405]  ____sys_sendmsg (net/socket.c:2713)
[  609.592356][T12405]  ? copy_msghdr_from_user (net/socket.c:2650)
[  609.592358][T12405]  ? sock_write_iter (net/socket.c:1269)
[  609.592360][T12405]  ? move_addr_to_kernel (net/socket.c:258)
[  609.592368][T12405]  ___sys_sendmsg (net/socket.c:2767)
[  609.592371][T12405]  ? copy_msghdr_from_user (net/socket.c:2619)
[  609.592387][T12405]  __sys_sendmsg (net/socket.c:2799)
[  609.592390][T12405]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  609.592397][T12405]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.592400][T12405]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  609.592403][T12405]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  609.592406][T12405]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  609.592408][T12405] RIP: 0033:0x7f9f1706954e
[  609.592413][T12405] 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
[  609.592415][T12405] RSP: 002b:00007ffd0a235690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  609.592417][T12405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f1706954e
[  609.592419][T12405] RDX: 0000000000000000 RSI: 00007ffd0a235740 RDI: 0000000000000005
[  609.592420][T12405] RBP: 00007ffd0a2356a0 R08: 0000000000000000 R09: 0000000000000000
[  609.592421][T12405] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912831
[  609.592422][T12405] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0a235e10
| [  618.512895][T12548] softirqs last disabled at (32464): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  618.512897][T12548] Preemption disabled at:
| [  618.512898][T12548] vprintk_emit (kernel/printk/printk.c:2471)
| [  618.512906][T12548] Tainted: [W]=WARN
[  618.512907][T12548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  618.512909][T12548] Call Trace:
[  618.512911][T12548]  <TASK>
[  618.512912][T12548]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  618.512918][T12548]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  618.512920][T12548]  __might_resched.cold (kernel/sched/core.c:9234)
[  618.512925][T12548]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  618.512929][T12548]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  618.512934][T12548]  __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))
[  618.512936][T12548]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.512943][T12548]  ? 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)
[  618.512946][T12548]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.512950][T12548]  put_chars (drivers/char/virtio_console.c:1176)
[  618.512952][T12548]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  618.512959][T12548]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  618.512967][T12548]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  618.512970][T12548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.512975][T12548]  console_emit_next_record (kernel/printk/printk.c:3183)
[  618.512979][T12548]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  618.512981][T12548]  ? 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))
[  618.512984][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.512987][T12548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.512991][T12548]  console_flush_one_record (kernel/printk/printk.c:3268)
[  618.512995][T12548]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  618.512997][T12548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  618.513003][T12548]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  618.513006][T12548]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  618.513008][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.513010][T12548]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  618.513013][T12548]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  618.513015][T12548]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  618.513018][T12548]  vprintk_emit (kernel/printk/printk.c:2479)
[  618.513021][T12548]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  618.513024][T12548]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  618.513030][T12548]  _printk (kernel/printk/printk.c:2504)
[  618.513033][T12548]  ? snapshot_read.cold (user.c:?)
[  618.513035][T12548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  618.513038][T12548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  618.513041][T12548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  618.513043][T12548]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  618.513047][T12548]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  618.513050][T12548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.513052][T12548]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  618.513055][T12548]  ? netdev_notice (net/core/dev.c:13194)
[  618.513058][T12548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  618.513061][T12548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  618.513064][T12548]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  618.513068][T12548]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.513070][T12548]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  618.513072][T12548]  ? register_netdev (net/core/dev.c:11618)
[  618.513074][T12548]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  618.513080][T12548]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  618.513082][T12548]  ? __kernel_text_address (kernel/extable.c:79)
[  618.513085][T12548]  ? write_profile (profile.c:?)
[  618.513089][T12548]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  618.513095][T12548]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.513099][T12548]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  618.513101][T12548]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  618.513102][T12548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  618.513104][T12548]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  618.513108][T12548]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  618.513110][T12548]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  618.513112][T12548]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  618.513114][T12548]  ? kasan_save_stack (mm/kasan/common.c:58)
[  618.513116][T12548]  ? kasan_save_stack (mm/kasan/common.c:57)
[  618.513117][T12548]  ? kasan_save_track (mm/kasan/common.c:78)
[  618.513119][T12548]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  618.513121][T12548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  618.513123][T12548]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  618.513126][T12548]  ? ___sys_sendmsg (net/socket.c:2758)
[  618.513130][T12548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  618.513133][T12548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  618.513135][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.513137][T12548]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.513139][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.513140][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.513142][T12548]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  618.513144][T12548]  ? __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)
[  618.513146][T12548]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  618.513148][T12548]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  618.513151][T12548]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  618.513152][T12548]  ? nla_get_range_signed (lib/nlattr.c:270)
[  618.513158][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.513160][T12548]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  618.513165][T12548]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  618.513174][T12548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.513176][T12548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  618.513181][T12548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  618.513183][T12548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  618.513185][T12548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.513186][T12548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  618.513190][T12548]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.513193][T12548]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  618.513196][T12548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.513197][T12548]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  618.513202][T12548]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  618.513204][T12548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  618.513208][T12548]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  618.513211][T12548]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.513214][T12548]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  618.513221][T12548]  ? 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))
[  618.513223][T12548]  ? 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))
[  618.513227][T12548]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  618.513232][T12548]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  618.513234][T12548]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  618.513239][T12548]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  618.513243][T12548]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  618.513247][T12548]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  618.513249][T12548]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  618.513254][T12548]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  618.513257][T12548]  ____sys_sendmsg (net/socket.c:2713)
[  618.513259][T12548]  ? copy_msghdr_from_user (net/socket.c:2650)
[  618.513262][T12548]  ? sock_write_iter (net/socket.c:1269)
[  618.513263][T12548]  ? move_addr_to_kernel (net/socket.c:258)
[  618.513271][T12548]  ___sys_sendmsg (net/socket.c:2767)
[  618.513274][T12548]  ? copy_msghdr_from_user (net/socket.c:2619)
[  618.513290][T12548]  __sys_sendmsg (net/socket.c:2799)
[  618.513293][T12548]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  618.513300][T12548]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.513303][T12548]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  618.513306][T12548]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  618.513309][T12548]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.513311][T12548] RIP: 0033:0x7f7ec15f154e
[  618.513316][T12548] 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
[  618.513318][T12548] RSP: 002b:00007ffd99bb2d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  618.513321][T12548] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7ec15f154e
[  618.513322][T12548] RDX: 0000000000000000 RSI: 00007ffd99bb2e00 RDI: 0000000000000005
[  618.513323][T12548] RBP: 00007ffd99bb2d60 R08: 0000000000000000 R09: 0000000000000000
[  618.513324][T12548] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91283a
[  618.513325][T12548] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd99bb34d0
| [  627.465841][T12691] softirqs last disabled at (21660): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  627.465844][T12691] Preemption disabled at:
| [  627.465845][T12691] vprintk_emit (kernel/printk/printk.c:2471)
| [  627.465853][T12691] Tainted: [W]=WARN
[  627.465855][T12691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  627.465856][T12691] Call Trace:
[  627.465858][T12691]  <TASK>
[  627.465859][T12691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  627.465866][T12691]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  627.465867][T12691]  __might_resched.cold (kernel/sched/core.c:9234)
[  627.465872][T12691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  627.465877][T12691]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  627.465881][T12691]  __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))
[  627.465883][T12691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.465890][T12691]  ? 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)
[  627.465893][T12691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.465897][T12691]  put_chars (drivers/char/virtio_console.c:1176)
[  627.465899][T12691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  627.465906][T12691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  627.465914][T12691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  627.465917][T12691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.465922][T12691]  console_emit_next_record (kernel/printk/printk.c:3183)
[  627.465926][T12691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  627.465928][T12691]  ? 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))
[  627.465932][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.465934][T12691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.465938][T12691]  console_flush_one_record (kernel/printk/printk.c:3268)
[  627.465943][T12691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  627.465945][T12691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  627.465950][T12691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  627.465954][T12691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  627.465956][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.465957][T12691]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  627.465961][T12691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  627.465963][T12691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  627.465966][T12691]  vprintk_emit (kernel/printk/printk.c:2479)
[  627.465969][T12691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  627.465972][T12691]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  627.465977][T12691]  _printk (kernel/printk/printk.c:2504)
[  627.465981][T12691]  ? snapshot_read.cold (user.c:?)
[  627.465983][T12691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  627.465986][T12691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  627.465989][T12691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  627.465991][T12691]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  627.465995][T12691]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  627.465998][T12691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  627.466000][T12691]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  627.466003][T12691]  ? netdev_notice (net/core/dev.c:13194)
[  627.466006][T12691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  627.466010][T12691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  627.466012][T12691]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  627.466016][T12691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  627.466018][T12691]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  627.466021][T12691]  ? register_netdev (net/core/dev.c:11618)
[  627.466022][T12691]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  627.466028][T12691]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  627.466031][T12691]  ? __kernel_text_address (kernel/extable.c:79)
[  627.466033][T12691]  ? write_profile (profile.c:?)
[  627.466038][T12691]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  627.466044][T12691]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  627.466047][T12691]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  627.466049][T12691]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  627.466051][T12691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  627.466053][T12691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  627.466056][T12691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  627.466059][T12691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  627.466060][T12691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  627.466063][T12691]  ? kasan_save_stack (mm/kasan/common.c:58)
[  627.466065][T12691]  ? kasan_save_stack (mm/kasan/common.c:57)
[  627.466066][T12691]  ? kasan_save_track (mm/kasan/common.c:78)
[  627.466068][T12691]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  627.466070][T12691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  627.466072][T12691]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  627.466075][T12691]  ? ___sys_sendmsg (net/socket.c:2758)
[  627.466079][T12691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  627.466082][T12691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  627.466085][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.466086][T12691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.466088][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.466089][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.466091][T12691]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  627.466093][T12691]  ? __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)
[  627.466095][T12691]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  627.466097][T12691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  627.466101][T12691]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  627.466102][T12691]  ? nla_get_range_signed (lib/nlattr.c:270)
[  627.466107][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.466110][T12691]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  627.466115][T12691]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  627.466121][T12691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.466123][T12691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  627.466128][T12691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  627.466130][T12691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  627.466132][T12691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.466134][T12691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  627.466138][T12691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.466140][T12691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  627.466143][T12691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  627.466145][T12691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  627.466150][T12691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  627.466152][T12691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  627.466155][T12691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  627.466159][T12691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  627.466162][T12691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  627.466169][T12691]  ? 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))
[  627.466171][T12691]  ? 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))
[  627.466178][T12691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  627.466183][T12691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  627.466185][T12691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  627.466190][T12691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  627.466194][T12691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  627.466198][T12691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  627.466200][T12691]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  627.466206][T12691]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  627.466209][T12691]  ____sys_sendmsg (net/socket.c:2713)
[  627.466211][T12691]  ? copy_msghdr_from_user (net/socket.c:2650)
[  627.466214][T12691]  ? sock_write_iter (net/socket.c:1269)
[  627.466215][T12691]  ? move_addr_to_kernel (net/socket.c:258)
[  627.466223][T12691]  ___sys_sendmsg (net/socket.c:2767)
[  627.466226][T12691]  ? copy_msghdr_from_user (net/socket.c:2619)
[  627.466243][T12691]  __sys_sendmsg (net/socket.c:2799)
[  627.466246][T12691]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  627.466252][T12691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.466256][T12691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  627.466259][T12691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  627.466262][T12691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  627.466264][T12691] RIP: 0033:0x7fc0cd23b54e
[  627.466268][T12691] 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
[  627.466271][T12691] RSP: 002b:00007fff5538fda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  627.466273][T12691] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc0cd23b54e
[  627.466275][T12691] RDX: 0000000000000000 RSI: 00007fff5538fe50 RDI: 0000000000000005
[  627.466276][T12691] RBP: 00007fff5538fdb0 R08: 0000000000000000 R09: 0000000000000000
[  627.466277][T12691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912843
[  627.466278][T12691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff55390520
| [  636.438907][T12834] softirqs last disabled at (18798): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  636.438910][T12834] Preemption disabled at:
| [  636.438911][T12834] vprintk_emit (kernel/printk/printk.c:2471)
| [  636.438920][T12834] Tainted: [W]=WARN
[  636.438921][T12834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  636.438922][T12834] Call Trace:
[  636.438924][T12834]  <TASK>
[  636.438925][T12834]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  636.438931][T12834]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  636.438933][T12834]  __might_resched.cold (kernel/sched/core.c:9234)
[  636.438937][T12834]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  636.438942][T12834]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  636.438946][T12834]  __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))
[  636.438948][T12834]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  636.438955][T12834]  ? 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)
[  636.438958][T12834]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  636.438962][T12834]  put_chars (drivers/char/virtio_console.c:1176)
[  636.438965][T12834]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  636.438971][T12834]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  636.438979][T12834]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  636.438983][T12834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  636.438987][T12834]  console_emit_next_record (kernel/printk/printk.c:3183)
[  636.438992][T12834]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  636.438994][T12834]  ? 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))
[  636.438997][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439000][T12834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  636.439004][T12834]  console_flush_one_record (kernel/printk/printk.c:3268)
[  636.439008][T12834]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  636.439010][T12834]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.439016][T12834]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  636.439019][T12834]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  636.439021][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439023][T12834]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  636.439027][T12834]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  636.439029][T12834]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  636.439031][T12834]  vprintk_emit (kernel/printk/printk.c:2479)
[  636.439035][T12834]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  636.439038][T12834]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  636.439043][T12834]  _printk (kernel/printk/printk.c:2504)
[  636.439047][T12834]  ? snapshot_read.cold (user.c:?)
[  636.439049][T12834]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  636.439051][T12834]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  636.439054][T12834]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  636.439056][T12834]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  636.439060][T12834]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  636.439063][T12834]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  636.439066][T12834]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  636.439069][T12834]  ? netdev_notice (net/core/dev.c:13194)
[  636.439071][T12834]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.439075][T12834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  636.439078][T12834]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  636.439081][T12834]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  636.439083][T12834]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  636.439086][T12834]  ? register_netdev (net/core/dev.c:11618)
[  636.439087][T12834]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  636.439093][T12834]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  636.439095][T12834]  ? __kernel_text_address (kernel/extable.c:79)
[  636.439098][T12834]  ? write_profile (profile.c:?)
[  636.439102][T12834]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  636.439108][T12834]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  636.439111][T12834]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  636.439114][T12834]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  636.439115][T12834]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  636.439117][T12834]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  636.439120][T12834]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  636.439123][T12834]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  636.439124][T12834]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  636.439127][T12834]  ? kasan_save_stack (mm/kasan/common.c:58)
[  636.439129][T12834]  ? kasan_save_stack (mm/kasan/common.c:57)
[  636.439130][T12834]  ? kasan_save_track (mm/kasan/common.c:78)
[  636.439132][T12834]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  636.439134][T12834]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.439136][T12834]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  636.439140][T12834]  ? ___sys_sendmsg (net/socket.c:2758)
[  636.439144][T12834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  636.439146][T12834]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  636.439149][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439151][T12834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  636.439152][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439154][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439155][T12834]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  636.439158][T12834]  ? __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)
[  636.439159][T12834]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  636.439161][T12834]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  636.439165][T12834]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  636.439166][T12834]  ? nla_get_range_signed (lib/nlattr.c:270)
[  636.439174][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439177][T12834]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  636.439182][T12834]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  636.439188][T12834]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  636.439190][T12834]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.439194][T12834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  636.439196][T12834]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.439198][T12834]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  636.439200][T12834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  636.439204][T12834]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  636.439206][T12834]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  636.439210][T12834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  636.439211][T12834]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  636.439216][T12834]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  636.439218][T12834]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.439222][T12834]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  636.439225][T12834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  636.439228][T12834]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  636.439235][T12834]  ? 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))
[  636.439237][T12834]  ? 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))
[  636.439242][T12834]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  636.439246][T12834]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  636.439248][T12834]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  636.439253][T12834]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  636.439257][T12834]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  636.439261][T12834]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  636.439263][T12834]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  636.439268][T12834]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  636.439271][T12834]  ____sys_sendmsg (net/socket.c:2713)
[  636.439274][T12834]  ? copy_msghdr_from_user (net/socket.c:2650)
[  636.439276][T12834]  ? sock_write_iter (net/socket.c:1269)
[  636.439278][T12834]  ? move_addr_to_kernel (net/socket.c:258)
[  636.439285][T12834]  ___sys_sendmsg (net/socket.c:2767)
[  636.439288][T12834]  ? copy_msghdr_from_user (net/socket.c:2619)
[  636.439305][T12834]  __sys_sendmsg (net/socket.c:2799)
[  636.439308][T12834]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  636.439314][T12834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  636.439318][T12834]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  636.439321][T12834]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  636.439324][T12834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  636.439326][T12834] RIP: 0033:0x7f2da60ea54e
[  636.439330][T12834] 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
[  636.439332][T12834] RSP: 002b:00007ffe048dd770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  636.439335][T12834] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2da60ea54e
[  636.439337][T12834] RDX: 0000000000000000 RSI: 00007ffe048dd820 RDI: 0000000000000005
[  636.439338][T12834] RBP: 00007ffe048dd780 R08: 0000000000000000 R09: 0000000000000000
[  636.439339][T12834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91284c
[  636.439340][T12834] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe048ddef0
| [  645.630814][T12977] softirqs last disabled at (19526): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  645.630817][T12977] Preemption disabled at:
| [  645.630818][T12977] vprintk_emit (kernel/printk/printk.c:2471)
| [  645.630827][T12977] Tainted: [W]=WARN
[  645.630828][T12977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  645.630829][T12977] Call Trace:
[  645.630831][T12977]  <TASK>
[  645.630833][T12977]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  645.630839][T12977]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  645.630841][T12977]  __might_resched.cold (kernel/sched/core.c:9234)
[  645.630845][T12977]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  645.630850][T12977]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  645.630854][T12977]  __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))
[  645.630856][T12977]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.630863][T12977]  ? 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)
[  645.630866][T12977]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.630870][T12977]  put_chars (drivers/char/virtio_console.c:1176)
[  645.630873][T12977]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  645.630879][T12977]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  645.630887][T12977]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  645.630891][T12977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.630896][T12977]  console_emit_next_record (kernel/printk/printk.c:3183)
[  645.630900][T12977]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  645.630902][T12977]  ? 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))
[  645.630905][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.630908][T12977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.630912][T12977]  console_flush_one_record (kernel/printk/printk.c:3268)
[  645.630917][T12977]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  645.630919][T12977]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.630931][T12977]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  645.630935][T12977]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  645.630936][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.630938][T12977]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  645.630942][T12977]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  645.630944][T12977]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  645.630947][T12977]  vprintk_emit (kernel/printk/printk.c:2479)
[  645.630951][T12977]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  645.630953][T12977]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  645.630959][T12977]  _printk (kernel/printk/printk.c:2504)
[  645.630962][T12977]  ? snapshot_read.cold (user.c:?)
[  645.630964][T12977]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  645.630967][T12977]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  645.630970][T12977]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  645.630972][T12977]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  645.630976][T12977]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  645.630979][T12977]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.630982][T12977]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  645.630985][T12977]  ? netdev_notice (net/core/dev.c:13194)
[  645.630988][T12977]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.630991][T12977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  645.630994][T12977]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  645.630997][T12977]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.631000][T12977]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  645.631002][T12977]  ? register_netdev (net/core/dev.c:11618)
[  645.631004][T12977]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  645.631009][T12977]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  645.631012][T12977]  ? __kernel_text_address (kernel/extable.c:79)
[  645.631014][T12977]  ? write_profile (profile.c:?)
[  645.631019][T12977]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  645.631025][T12977]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  645.631028][T12977]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  645.631030][T12977]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  645.631032][T12977]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  645.631034][T12977]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  645.631037][T12977]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  645.631040][T12977]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  645.631042][T12977]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  645.631044][T12977]  ? kasan_save_stack (mm/kasan/common.c:58)
[  645.631047][T12977]  ? kasan_save_stack (mm/kasan/common.c:57)
[  645.631048][T12977]  ? kasan_save_track (mm/kasan/common.c:78)
[  645.631049][T12977]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  645.631052][T12977]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.631054][T12977]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  645.631057][T12977]  ? ___sys_sendmsg (net/socket.c:2758)
[  645.631061][T12977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  645.631063][T12977]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  645.631066][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.631068][T12977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.631070][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.631071][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.631073][T12977]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  645.631075][T12977]  ? __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)
[  645.631076][T12977]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  645.631078][T12977]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  645.631082][T12977]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  645.631083][T12977]  ? nla_get_range_signed (lib/nlattr.c:270)
[  645.631088][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.631091][T12977]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  645.631098][T12977]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  645.631108][T12977]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.631111][T12977]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.631117][T12977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  645.631119][T12977]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.631121][T12977]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.631123][T12977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  645.631127][T12977]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  645.631129][T12977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  645.631132][T12977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.631134][T12977]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  645.631139][T12977]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  645.631141][T12977]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.631144][T12977]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  645.631148][T12977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  645.631151][T12977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  645.631157][T12977]  ? 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))
[  645.631160][T12977]  ? 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))
[  645.631164][T12977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  645.631168][T12977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  645.631174][T12977]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  645.631179][T12977]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  645.631183][T12977]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  645.631187][T12977]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  645.631189][T12977]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  645.631194][T12977]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  645.631197][T12977]  ____sys_sendmsg (net/socket.c:2713)
[  645.631200][T12977]  ? copy_msghdr_from_user (net/socket.c:2650)
[  645.631202][T12977]  ? sock_write_iter (net/socket.c:1269)
[  645.631204][T12977]  ? move_addr_to_kernel (net/socket.c:258)
[  645.631212][T12977]  ___sys_sendmsg (net/socket.c:2767)
[  645.631215][T12977]  ? copy_msghdr_from_user (net/socket.c:2619)
[  645.631231][T12977]  __sys_sendmsg (net/socket.c:2799)
[  645.631234][T12977]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  645.631241][T12977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.631244][T12977]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  645.631247][T12977]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  645.631250][T12977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  645.631252][T12977] RIP: 0033:0x7fb8b09f754e
[  645.631257][T12977] 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
[  645.631259][T12977] RSP: 002b:00007ffc31eb42e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  645.631262][T12977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb8b09f754e
[  645.631264][T12977] RDX: 0000000000000000 RSI: 00007ffc31eb4390 RDI: 0000000000000005
[  645.631265][T12977] RBP: 00007ffc31eb42f0 R08: 0000000000000000 R09: 0000000000000000
[  645.631265][T12977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912855
[  645.631266][T12977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc31eb4a60
| [  656.603817][T13148] softirqs last disabled at (25096): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  656.603820][T13148] Preemption disabled at:
| [  656.603820][T13148] vprintk_emit (kernel/printk/printk.c:2471)
| [  656.603829][T13148] Tainted: [W]=WARN
[  656.603830][T13148] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  656.603832][T13148] Call Trace:
[  656.603833][T13148]  <TASK>
[  656.603835][T13148]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  656.603841][T13148]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  656.603842][T13148]  __might_resched.cold (kernel/sched/core.c:9234)
[  656.603847][T13148]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  656.603851][T13148]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  656.603856][T13148]  __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))
[  656.603858][T13148]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  656.603865][T13148]  ? 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)
[  656.603868][T13148]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  656.603872][T13148]  put_chars (drivers/char/virtio_console.c:1176)
[  656.603874][T13148]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  656.603881][T13148]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  656.603889][T13148]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  656.603892][T13148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.603897][T13148]  console_emit_next_record (kernel/printk/printk.c:3183)
[  656.603901][T13148]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  656.603903][T13148]  ? 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))
[  656.603906][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.603909][T13148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.603913][T13148]  console_flush_one_record (kernel/printk/printk.c:3268)
[  656.603918][T13148]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  656.603920][T13148]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  656.603925][T13148]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  656.603928][T13148]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  656.603930][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.603932][T13148]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  656.603936][T13148]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  656.603938][T13148]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  656.603940][T13148]  vprintk_emit (kernel/printk/printk.c:2479)
[  656.603944][T13148]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  656.603946][T13148]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  656.603952][T13148]  _printk (kernel/printk/printk.c:2504)
[  656.603956][T13148]  ? snapshot_read.cold (user.c:?)
[  656.603957][T13148]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  656.603960][T13148]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  656.603963][T13148]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  656.603966][T13148]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  656.603969][T13148]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  656.603972][T13148]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  656.603975][T13148]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  656.603978][T13148]  ? netdev_notice (net/core/dev.c:13194)
[  656.603981][T13148]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  656.603984][T13148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  656.603987][T13148]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  656.603990][T13148]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  656.603993][T13148]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  656.603995][T13148]  ? register_netdev (net/core/dev.c:11618)
[  656.603996][T13148]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  656.604009][T13148]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  656.604012][T13148]  ? __kernel_text_address (kernel/extable.c:79)
[  656.604015][T13148]  ? write_profile (profile.c:?)
[  656.604020][T13148]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  656.604025][T13148]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  656.604029][T13148]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  656.604031][T13148]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  656.604033][T13148]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  656.604035][T13148]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  656.604038][T13148]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  656.604040][T13148]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  656.604042][T13148]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  656.604045][T13148]  ? kasan_save_stack (mm/kasan/common.c:58)
[  656.604047][T13148]  ? kasan_save_stack (mm/kasan/common.c:57)
[  656.604048][T13148]  ? kasan_save_track (mm/kasan/common.c:78)
[  656.604049][T13148]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  656.604052][T13148]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  656.604054][T13148]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  656.604057][T13148]  ? ___sys_sendmsg (net/socket.c:2758)
[  656.604061][T13148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  656.604064][T13148]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  656.604066][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.604068][T13148]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  656.604070][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.604071][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.604073][T13148]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  656.604075][T13148]  ? __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)
[  656.604077][T13148]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  656.604079][T13148]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  656.604082][T13148]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  656.604083][T13148]  ? nla_get_range_signed (lib/nlattr.c:270)
[  656.604088][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.604091][T13148]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  656.604098][T13148]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  656.604108][T13148]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  656.604110][T13148]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  656.604115][T13148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  656.604117][T13148]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  656.604119][T13148]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  656.604121][T13148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  656.604125][T13148]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  656.604127][T13148]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  656.604130][T13148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  656.604131][T13148]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  656.604136][T13148]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  656.604138][T13148]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  656.604142][T13148]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  656.604145][T13148]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  656.604148][T13148]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  656.604154][T13148]  ? 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))
[  656.604157][T13148]  ? 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))
[  656.604161][T13148]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  656.604166][T13148]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  656.604168][T13148]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  656.604176][T13148]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  656.604180][T13148]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  656.604184][T13148]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  656.604186][T13148]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  656.604192][T13148]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  656.604195][T13148]  ____sys_sendmsg (net/socket.c:2713)
[  656.604197][T13148]  ? copy_msghdr_from_user (net/socket.c:2650)
[  656.604200][T13148]  ? sock_write_iter (net/socket.c:1269)
[  656.604201][T13148]  ? move_addr_to_kernel (net/socket.c:258)
[  656.604209][T13148]  ___sys_sendmsg (net/socket.c:2767)
[  656.604212][T13148]  ? copy_msghdr_from_user (net/socket.c:2619)
[  656.604229][T13148]  __sys_sendmsg (net/socket.c:2799)
[  656.604232][T13148]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  656.604238][T13148]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  656.604241][T13148]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  656.604245][T13148]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  656.604248][T13148]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  656.604250][T13148] RIP: 0033:0x7f4e5778054e
[  656.604254][T13148] 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
[  656.604256][T13148] RSP: 002b:00007ffc2d32a300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  656.604259][T13148] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4e5778054e
[  656.604260][T13148] RDX: 0000000000000000 RSI: 00007ffc2d32a3b0 RDI: 0000000000000005
[  656.604261][T13148] RBP: 00007ffc2d32a310 R08: 0000000000000000 R09: 0000000000000000
[  656.604262][T13148] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912860
[  656.604263][T13148] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2d32aa80
| [  667.119005][T13319] softirqs last disabled at (15762): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  667.119008][T13319] Preemption disabled at:
| [  667.119009][T13319] vprintk_emit (kernel/printk/printk.c:2471)
| [  667.119017][T13319] Tainted: [W]=WARN
[  667.119018][T13319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  667.119020][T13319] Call Trace:
[  667.119021][T13319]  <TASK>
[  667.119023][T13319]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  667.119030][T13319]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  667.119032][T13319]  __might_resched.cold (kernel/sched/core.c:9234)
[  667.119037][T13319]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  667.119041][T13319]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  667.119046][T13319]  __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))
[  667.119048][T13319]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.119055][T13319]  ? 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)
[  667.119058][T13319]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.119062][T13319]  put_chars (drivers/char/virtio_console.c:1176)
[  667.119065][T13319]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  667.119071][T13319]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  667.119085][T13319]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  667.119088][T13319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.119093][T13319]  console_emit_next_record (kernel/printk/printk.c:3183)
[  667.119100][T13319]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  667.119103][T13319]  ? 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))
[  667.119108][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119111][T13319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.119116][T13319]  console_flush_one_record (kernel/printk/printk.c:3268)
[  667.119120][T13319]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  667.119122][T13319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.119128][T13319]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  667.119131][T13319]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  667.119133][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119135][T13319]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  667.119139][T13319]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  667.119141][T13319]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  667.119144][T13319]  vprintk_emit (kernel/printk/printk.c:2479)
[  667.119147][T13319]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  667.119150][T13319]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  667.119156][T13319]  _printk (kernel/printk/printk.c:2504)
[  667.119160][T13319]  ? snapshot_read.cold (user.c:?)
[  667.119162][T13319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  667.119164][T13319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  667.119167][T13319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  667.119169][T13319]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  667.119176][T13319]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  667.119180][T13319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.119182][T13319]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  667.119185][T13319]  ? netdev_notice (net/core/dev.c:13194)
[  667.119188][T13319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.119191][T13319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.119194][T13319]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  667.119198][T13319]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.119200][T13319]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  667.119203][T13319]  ? register_netdev (net/core/dev.c:11618)
[  667.119204][T13319]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  667.119210][T13319]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  667.119213][T13319]  ? __kernel_text_address (kernel/extable.c:79)
[  667.119216][T13319]  ? write_profile (profile.c:?)
[  667.119220][T13319]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  667.119226][T13319]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  667.119229][T13319]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  667.119232][T13319]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  667.119233][T13319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  667.119235][T13319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  667.119239][T13319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  667.119241][T13319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  667.119243][T13319]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  667.119245][T13319]  ? kasan_save_stack (mm/kasan/common.c:58)
[  667.119247][T13319]  ? kasan_save_stack (mm/kasan/common.c:57)
[  667.119249][T13319]  ? kasan_save_track (mm/kasan/common.c:78)
[  667.119250][T13319]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  667.119253][T13319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.119255][T13319]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  667.119258][T13319]  ? ___sys_sendmsg (net/socket.c:2758)
[  667.119262][T13319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.119264][T13319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.119267][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119269][T13319]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.119271][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119272][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119274][T13319]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  667.119276][T13319]  ? __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)
[  667.119278][T13319]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  667.119280][T13319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  667.119283][T13319]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  667.119285][T13319]  ? nla_get_range_signed (lib/nlattr.c:270)
[  667.119290][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119292][T13319]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  667.119298][T13319]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.119304][T13319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.119306][T13319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.119311][T13319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.119313][T13319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.119315][T13319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.119317][T13319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.119321][T13319]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.119323][T13319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.119326][T13319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.119328][T13319]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  667.119333][T13319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  667.119335][T13319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.119339][T13319]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.119342][T13319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.119345][T13319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  667.119352][T13319]  ? 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))
[  667.119354][T13319]  ? 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))
[  667.119359][T13319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.119363][T13319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  667.119366][T13319]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  667.119371][T13319]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.119375][T13319]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  667.119379][T13319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  667.119381][T13319]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  667.119387][T13319]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.119390][T13319]  ____sys_sendmsg (net/socket.c:2713)
[  667.119392][T13319]  ? copy_msghdr_from_user (net/socket.c:2650)
[  667.119395][T13319]  ? sock_write_iter (net/socket.c:1269)
[  667.119396][T13319]  ? move_addr_to_kernel (net/socket.c:258)
[  667.119404][T13319]  ___sys_sendmsg (net/socket.c:2767)
[  667.119407][T13319]  ? copy_msghdr_from_user (net/socket.c:2619)
[  667.119424][T13319]  __sys_sendmsg (net/socket.c:2799)
[  667.119427][T13319]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  667.119434][T13319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.119437][T13319]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.119441][T13319]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  667.119444][T13319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.119446][T13319] RIP: 0033:0x7f1acee2154e
[  667.119450][T13319] 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
[  667.119452][T13319] RSP: 002b:00007fffd7676670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  667.119455][T13319] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1acee2154e
[  667.119457][T13319] RDX: 0000000000000000 RSI: 00007fffd7676720 RDI: 0000000000000005
[  667.119458][T13319] RBP: 00007fffd7676680 R08: 0000000000000000 R09: 0000000000000000
[  667.119459][T13319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91286b
[  667.119460][T13319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd7676df0
| [  677.661898][T13490] softirqs last disabled at (18036): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  677.661900][T13490] Preemption disabled at:
| [  677.661901][T13490] vprintk_emit (kernel/printk/printk.c:2471)
| [  677.661910][T13490] Tainted: [W]=WARN
[  677.661911][T13490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  677.661913][T13490] Call Trace:
[  677.661914][T13490]  <TASK>
[  677.661916][T13490]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  677.661922][T13490]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  677.661924][T13490]  __might_resched.cold (kernel/sched/core.c:9234)
[  677.661929][T13490]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  677.661933][T13490]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  677.661938][T13490]  __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))
[  677.661940][T13490]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.661947][T13490]  ? 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)
[  677.661950][T13490]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.661954][T13490]  put_chars (drivers/char/virtio_console.c:1176)
[  677.661956][T13490]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  677.661963][T13490]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  677.661971][T13490]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  677.661974][T13490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.661979][T13490]  console_emit_next_record (kernel/printk/printk.c:3183)
[  677.661983][T13490]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  677.661985][T13490]  ? 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))
[  677.661988][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.661991][T13490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.661995][T13490]  console_flush_one_record (kernel/printk/printk.c:3268)
[  677.662000][T13490]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  677.662002][T13490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.662007][T13490]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  677.662010][T13490]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  677.662012][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.662014][T13490]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  677.662018][T13490]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  677.662020][T13490]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  677.662023][T13490]  vprintk_emit (kernel/printk/printk.c:2479)
[  677.662026][T13490]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  677.662029][T13490]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  677.662034][T13490]  _printk (kernel/printk/printk.c:2504)
[  677.662038][T13490]  ? snapshot_read.cold (user.c:?)
[  677.662040][T13490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  677.662042][T13490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  677.662045][T13490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  677.662048][T13490]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  677.662051][T13490]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  677.662054][T13490]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.662057][T13490]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  677.662060][T13490]  ? netdev_notice (net/core/dev.c:13194)
[  677.662063][T13490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.662066][T13490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  677.662069][T13490]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  677.662072][T13490]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.662075][T13490]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  677.662077][T13490]  ? register_netdev (net/core/dev.c:11618)
[  677.662078][T13490]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  677.662084][T13490]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  677.662087][T13490]  ? __kernel_text_address (kernel/extable.c:79)
[  677.662090][T13490]  ? write_profile (profile.c:?)
[  677.662094][T13490]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  677.662103][T13490]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.662109][T13490]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  677.662112][T13490]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  677.662113][T13490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  677.662115][T13490]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  677.662119][T13490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  677.662121][T13490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  677.662123][T13490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  677.662125][T13490]  ? kasan_save_stack (mm/kasan/common.c:58)
[  677.662128][T13490]  ? kasan_save_stack (mm/kasan/common.c:57)
[  677.662129][T13490]  ? kasan_save_track (mm/kasan/common.c:78)
[  677.662130][T13490]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  677.662133][T13490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.662135][T13490]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  677.662138][T13490]  ? ___sys_sendmsg (net/socket.c:2758)
[  677.662142][T13490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  677.662151][T13490]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  677.662154][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.662156][T13490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.662157][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.662159][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.662161][T13490]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  677.662163][T13490]  ? __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)
[  677.662164][T13490]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  677.662166][T13490]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  677.662170][T13490]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  677.662174][T13490]  ? nla_get_range_signed (lib/nlattr.c:270)
[  677.662179][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.662182][T13490]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  677.662187][T13490]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  677.662193][T13490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.662195][T13490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.662200][T13490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  677.662202][T13490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.662204][T13490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.662206][T13490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  677.662210][T13490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.662212][T13490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  677.662216][T13490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.662217][T13490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  677.662222][T13490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  677.662224][T13490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.662227][T13490]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  677.662231][T13490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.662234][T13490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  677.662240][T13490]  ? 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))
[  677.662243][T13490]  ? 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))
[  677.662247][T13490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  677.662252][T13490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  677.662254][T13490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  677.662259][T13490]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  677.662263][T13490]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  677.662267][T13490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  677.662269][T13490]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  677.662274][T13490]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  677.662277][T13490]  ____sys_sendmsg (net/socket.c:2713)
[  677.662280][T13490]  ? copy_msghdr_from_user (net/socket.c:2650)
[  677.662282][T13490]  ? sock_write_iter (net/socket.c:1269)
[  677.662284][T13490]  ? move_addr_to_kernel (net/socket.c:258)
[  677.662292][T13490]  ___sys_sendmsg (net/socket.c:2767)
[  677.662295][T13490]  ? copy_msghdr_from_user (net/socket.c:2619)
[  677.662311][T13490]  __sys_sendmsg (net/socket.c:2799)
[  677.662314][T13490]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  677.662320][T13490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.662324][T13490]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  677.662327][T13490]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  677.662330][T13490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  677.662332][T13490] RIP: 0033:0x7f1ac4d9c54e
[  677.662336][T13490] 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
[  677.662338][T13490] RSP: 002b:00007ffc579ccf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  677.662341][T13490] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1ac4d9c54e
[  677.662343][T13490] RDX: 0000000000000000 RSI: 00007ffc579cd010 RDI: 0000000000000005
[  677.662344][T13490] RBP: 00007ffc579ccf70 R08: 0000000000000000 R09: 0000000000000000
[  677.662345][T13490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912875
[  677.662345][T13490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc579cd6e0
| [  688.177879][T13661] softirqs last disabled at (31930): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  688.177882][T13661] Preemption disabled at:
| [  688.177882][T13661] vprintk_emit (kernel/printk/printk.c:2471)
| [  688.177891][T13661] Tainted: [W]=WARN
[  688.177892][T13661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  688.177894][T13661] Call Trace:
[  688.177895][T13661]  <TASK>
[  688.177897][T13661]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  688.177903][T13661]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  688.177905][T13661]  __might_resched.cold (kernel/sched/core.c:9234)
[  688.177910][T13661]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  688.177914][T13661]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  688.177918][T13661]  __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))
[  688.177920][T13661]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.177928][T13661]  ? 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)
[  688.177931][T13661]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.177935][T13661]  put_chars (drivers/char/virtio_console.c:1176)
[  688.177937][T13661]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  688.177944][T13661]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  688.177952][T13661]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  688.177955][T13661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.177960][T13661]  console_emit_next_record (kernel/printk/printk.c:3183)
[  688.177964][T13661]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  688.177966][T13661]  ? 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))
[  688.177970][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.177973][T13661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.177977][T13661]  console_flush_one_record (kernel/printk/printk.c:3268)
[  688.177981][T13661]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  688.177983][T13661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.177989][T13661]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  688.177992][T13661]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  688.177994][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.177995][T13661]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  688.177999][T13661]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  688.178001][T13661]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  688.178004][T13661]  vprintk_emit (kernel/printk/printk.c:2479)
[  688.178007][T13661]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  688.178010][T13661]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  688.178016][T13661]  _printk (kernel/printk/printk.c:2504)
[  688.178020][T13661]  ? snapshot_read.cold (user.c:?)
[  688.178021][T13661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  688.178024][T13661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  688.178027][T13661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  688.178029][T13661]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  688.178033][T13661]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  688.178036][T13661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.178039][T13661]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  688.178041][T13661]  ? netdev_notice (net/core/dev.c:13194)
[  688.178044][T13661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.178048][T13661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.178050][T13661]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  688.178054][T13661]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.178056][T13661]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  688.178058][T13661]  ? register_netdev (net/core/dev.c:11618)
[  688.178060][T13661]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  688.178065][T13661]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  688.178068][T13661]  ? __kernel_text_address (kernel/extable.c:79)
[  688.178071][T13661]  ? write_profile (profile.c:?)
[  688.178075][T13661]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  688.178081][T13661]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.178085][T13661]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  688.178087][T13661]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  688.178088][T13661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  688.178090][T13661]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  688.178094][T13661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  688.178097][T13661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  688.178100][T13661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  688.178104][T13661]  ? kasan_save_stack (mm/kasan/common.c:58)
[  688.178107][T13661]  ? kasan_save_stack (mm/kasan/common.c:57)
[  688.178109][T13661]  ? kasan_save_track (mm/kasan/common.c:78)
[  688.178110][T13661]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  688.178112][T13661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.178115][T13661]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  688.178118][T13661]  ? ___sys_sendmsg (net/socket.c:2758)
[  688.178122][T13661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.178124][T13661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.178127][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.178129][T13661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.178130][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.178132][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.178133][T13661]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  688.178136][T13661]  ? __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)
[  688.178137][T13661]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  688.178139][T13661]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.178143][T13661]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  688.178144][T13661]  ? nla_get_range_signed (lib/nlattr.c:270)
[  688.178149][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.178152][T13661]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  688.178157][T13661]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  688.178163][T13661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.178165][T13661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.178170][T13661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.178175][T13661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.178177][T13661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.178179][T13661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.178183][T13661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.178185][T13661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.178188][T13661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.178190][T13661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  688.178194][T13661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  688.178196][T13661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.178200][T13661]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.178204][T13661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.178207][T13661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  688.178213][T13661]  ? 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))
[  688.178216][T13661]  ? 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))
[  688.178224][T13661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.178229][T13661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  688.178231][T13661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  688.178236][T13661]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.178240][T13661]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  688.178244][T13661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  688.178246][T13661]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  688.178251][T13661]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.178255][T13661]  ____sys_sendmsg (net/socket.c:2713)
[  688.178257][T13661]  ? copy_msghdr_from_user (net/socket.c:2650)
[  688.178260][T13661]  ? sock_write_iter (net/socket.c:1269)
[  688.178261][T13661]  ? move_addr_to_kernel (net/socket.c:258)
[  688.178269][T13661]  ___sys_sendmsg (net/socket.c:2767)
[  688.178272][T13661]  ? copy_msghdr_from_user (net/socket.c:2619)
[  688.178289][T13661]  __sys_sendmsg (net/socket.c:2799)
[  688.178291][T13661]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  688.178298][T13661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.178301][T13661]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.178304][T13661]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  688.178307][T13661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.178310][T13661] RIP: 0033:0x7f395fcca54e
[  688.178314][T13661] 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
[  688.178316][T13661] RSP: 002b:00007ffcb3cfa260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  688.178319][T13661] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f395fcca54e
[  688.178320][T13661] RDX: 0000000000000000 RSI: 00007ffcb3cfa310 RDI: 0000000000000005
[  688.178322][T13661] RBP: 00007ffcb3cfa270 R08: 0000000000000000 R09: 0000000000000000
[  688.178322][T13661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912880
[  688.178323][T13661] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb3cfa9e0
| [  698.741734][T13833] softirqs last disabled at (27568): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  698.741737][T13833] Preemption disabled at:
| [  698.741737][T13833] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.741746][T13833] Tainted: [W]=WARN
[  698.741747][T13833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.741749][T13833] Call Trace:
[  698.741751][T13833]  <TASK>
[  698.741752][T13833]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.741759][T13833]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.741761][T13833]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.741765][T13833]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.741770][T13833]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  698.741775][T13833]  __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))
[  698.741777][T13833]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.741784][T13833]  ? 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)
[  698.741787][T13833]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.741791][T13833]  put_chars (drivers/char/virtio_console.c:1176)
[  698.741794][T13833]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.741801][T13833]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.741809][T13833]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.741812][T13833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.741817][T13833]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.741821][T13833]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.741823][T13833]  ? 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))
[  698.741827][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.741830][T13833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.741834][T13833]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.741839][T13833]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.741841][T13833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.741847][T13833]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.741850][T13833]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.741852][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.741854][T13833]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  698.741858][T13833]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.741860][T13833]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.741862][T13833]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.741866][T13833]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.741869][T13833]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  698.741874][T13833]  _printk (kernel/printk/printk.c:2504)
[  698.741878][T13833]  ? snapshot_read.cold (user.c:?)
[  698.741880][T13833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  698.741883][T13833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  698.741886][T13833]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  698.741888][T13833]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  698.741892][T13833]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  698.741895][T13833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.741898][T13833]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  698.741901][T13833]  ? netdev_notice (net/core/dev.c:13194)
[  698.741904][T13833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.741908][T13833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.741910][T13833]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  698.741914][T13833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.741917][T13833]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  698.741919][T13833]  ? register_netdev (net/core/dev.c:11618)
[  698.741921][T13833]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  698.741927][T13833]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  698.741929][T13833]  ? __kernel_text_address (kernel/extable.c:79)
[  698.741932][T13833]  ? write_profile (profile.c:?)
[  698.741936][T13833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  698.741943][T13833]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.741946][T13833]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  698.741949][T13833]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  698.741950][T13833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  698.741952][T13833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  698.741956][T13833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  698.741958][T13833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  698.741960][T13833]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  698.741962][T13833]  ? kasan_save_stack (mm/kasan/common.c:58)
[  698.741964][T13833]  ? kasan_save_stack (mm/kasan/common.c:57)
[  698.741966][T13833]  ? kasan_save_track (mm/kasan/common.c:78)
[  698.741967][T13833]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  698.741969][T13833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.741972][T13833]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  698.741975][T13833]  ? ___sys_sendmsg (net/socket.c:2758)
[  698.741979][T13833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.741981][T13833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.741984][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.741986][T13833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.741988][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.741989][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.741991][T13833]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  698.741993][T13833]  ? __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)
[  698.741994][T13833]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  698.741997][T13833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.742000][T13833]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  698.742002][T13833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  698.742007][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.742009][T13833]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  698.742015][T13833]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.742021][T13833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.742023][T13833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.742027][T13833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.742029][T13833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.742031][T13833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.742033][T13833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.742038][T13833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.742040][T13833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.742043][T13833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.742045][T13833]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  698.742049][T13833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  698.742051][T13833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.742055][T13833]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.742059][T13833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.742062][T13833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.742069][T13833]  ? 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))
[  698.742071][T13833]  ? 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))
[  698.742076][T13833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.742081][T13833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.742083][T13833]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  698.742088][T13833]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.742092][T13833]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.742098][T13833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  698.742101][T13833]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.742109][T13833]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.742113][T13833]  ____sys_sendmsg (net/socket.c:2713)
[  698.742115][T13833]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.742118][T13833]  ? sock_write_iter (net/socket.c:1269)
[  698.742119][T13833]  ? move_addr_to_kernel (net/socket.c:258)
[  698.742127][T13833]  ___sys_sendmsg (net/socket.c:2767)
[  698.742131][T13833]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.742148][T13833]  __sys_sendmsg (net/socket.c:2799)
[  698.742151][T13833]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.742157][T13833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.742161][T13833]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.742164][T13833]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.742167][T13833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.742170][T13833] RIP: 0033:0x7f6b0902154e
[  698.742177][T13833] 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
[  698.742179][T13833] RSP: 002b:00007ffdc736bfc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.742182][T13833] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6b0902154e
[  698.742183][T13833] RDX: 0000000000000000 RSI: 00007ffdc736c070 RDI: 0000000000000005
[  698.742184][T13833] RBP: 00007ffdc736bfd0 R08: 0000000000000000 R09: 0000000000000000
[  698.742186][T13833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91288b
[  698.742187][T13833] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc736c740
| [  709.257763][T14004] softirqs last disabled at (18274): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  709.257766][T14004] Preemption disabled at:
| [  709.257767][T14004] vprintk_emit (kernel/printk/printk.c:2471)
| [  709.257775][T14004] Tainted: [W]=WARN
[  709.257776][T14004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  709.257778][T14004] Call Trace:
[  709.257779][T14004]  <TASK>
[  709.257781][T14004]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  709.257787][T14004]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  709.257789][T14004]  __might_resched.cold (kernel/sched/core.c:9234)
[  709.257793][T14004]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  709.257798][T14004]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  709.257803][T14004]  __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))
[  709.257805][T14004]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.257812][T14004]  ? 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)
[  709.257815][T14004]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.257819][T14004]  put_chars (drivers/char/virtio_console.c:1176)
[  709.257821][T14004]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  709.257828][T14004]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  709.257836][T14004]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  709.257839][T14004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.257844][T14004]  console_emit_next_record (kernel/printk/printk.c:3183)
[  709.257848][T14004]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  709.257850][T14004]  ? 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))
[  709.257854][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.257857][T14004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.257861][T14004]  console_flush_one_record (kernel/printk/printk.c:3268)
[  709.257865][T14004]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  709.257867][T14004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.257873][T14004]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  709.257876][T14004]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  709.257878][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.257880][T14004]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  709.257884][T14004]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  709.257885][T14004]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  709.257888][T14004]  vprintk_emit (kernel/printk/printk.c:2479)
[  709.257892][T14004]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  709.257894][T14004]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  709.257900][T14004]  _printk (kernel/printk/printk.c:2504)
[  709.257903][T14004]  ? snapshot_read.cold (user.c:?)
[  709.257905][T14004]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  709.257908][T14004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  709.257911][T14004]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  709.257913][T14004]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  709.257917][T14004]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  709.257920][T14004]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.257923][T14004]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  709.257926][T14004]  ? netdev_notice (net/core/dev.c:13194)
[  709.257929][T14004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.257932][T14004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  709.257934][T14004]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  709.257938][T14004]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.257940][T14004]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  709.257943][T14004]  ? register_netdev (net/core/dev.c:11618)
[  709.257944][T14004]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  709.257950][T14004]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  709.257952][T14004]  ? __kernel_text_address (kernel/extable.c:79)
[  709.257955][T14004]  ? write_profile (profile.c:?)
[  709.257959][T14004]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  709.257965][T14004]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.257969][T14004]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  709.257971][T14004]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  709.257972][T14004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  709.257974][T14004]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  709.257978][T14004]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  709.257980][T14004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  709.257982][T14004]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  709.257985][T14004]  ? kasan_save_stack (mm/kasan/common.c:58)
[  709.257987][T14004]  ? kasan_save_stack (mm/kasan/common.c:57)
[  709.257988][T14004]  ? kasan_save_track (mm/kasan/common.c:78)
[  709.257989][T14004]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  709.257992][T14004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.257994][T14004]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  709.257997][T14004]  ? ___sys_sendmsg (net/socket.c:2758)
[  709.258001][T14004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  709.258004][T14004]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.258006][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.258008][T14004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.258010][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.258011][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.258013][T14004]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  709.258015][T14004]  ? __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)
[  709.258017][T14004]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  709.258019][T14004]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.258022][T14004]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  709.258023][T14004]  ? nla_get_range_signed (lib/nlattr.c:270)
[  709.258028][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.258031][T14004]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  709.258036][T14004]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.258042][T14004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.258044][T14004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.258049][T14004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  709.258051][T14004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.258053][T14004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.258055][T14004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  709.258059][T14004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.258062][T14004]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.258065][T14004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.258066][T14004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  709.258071][T14004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  709.258073][T14004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.258077][T14004]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.258080][T14004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.258083][T14004]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  709.258090][T14004]  ? 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))
[  709.258092][T14004]  ? 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))
[  709.258100][T14004]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.258107][T14004]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  709.258110][T14004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  709.258115][T14004]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.258119][T14004]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  709.258123][T14004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  709.258125][T14004]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  709.258130][T14004]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.258133][T14004]  ____sys_sendmsg (net/socket.c:2713)
[  709.258136][T14004]  ? copy_msghdr_from_user (net/socket.c:2650)
[  709.258138][T14004]  ? sock_write_iter (net/socket.c:1269)
[  709.258140][T14004]  ? move_addr_to_kernel (net/socket.c:258)
[  709.258148][T14004]  ___sys_sendmsg (net/socket.c:2767)
[  709.258151][T14004]  ? copy_msghdr_from_user (net/socket.c:2619)
[  709.258167][T14004]  __sys_sendmsg (net/socket.c:2799)
[  709.258170][T14004]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  709.258180][T14004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.258183][T14004]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.258187][T14004]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  709.258190][T14004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.258192][T14004] RIP: 0033:0x7f3e7c6a054e
[  709.258196][T14004] 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
[  709.258199][T14004] RSP: 002b:00007ffe59161620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  709.258202][T14004] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3e7c6a054e
[  709.258203][T14004] RDX: 0000000000000000 RSI: 00007ffe591616d0 RDI: 0000000000000005
[  709.258204][T14004] RBP: 00007ffe59161630 R08: 0000000000000000 R09: 0000000000000000
[  709.258205][T14004] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912895
[  709.258206][T14004] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe59161da0
| [  719.770964][T14174] softirqs last disabled at (24698): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  719.770967][T14174] Preemption disabled at:
| [  719.770968][T14174] vprintk_emit (kernel/printk/printk.c:2471)
| [  719.770977][T14174] Tainted: [W]=WARN
[  719.770978][T14174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  719.770979][T14174] Call Trace:
[  719.770981][T14174]  <TASK>
[  719.770983][T14174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  719.770990][T14174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  719.770991][T14174]  __might_resched.cold (kernel/sched/core.c:9234)
[  719.770996][T14174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  719.771001][T14174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  719.771005][T14174]  __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))
[  719.771007][T14174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  719.771015][T14174]  ? 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)
[  719.771018][T14174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  719.771022][T14174]  put_chars (drivers/char/virtio_console.c:1176)
[  719.771025][T14174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  719.771031][T14174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  719.771039][T14174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  719.771043][T14174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.771048][T14174]  console_emit_next_record (kernel/printk/printk.c:3183)
[  719.771052][T14174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  719.771054][T14174]  ? 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))
[  719.771058][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771060][T14174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.771065][T14174]  console_flush_one_record (kernel/printk/printk.c:3268)
[  719.771069][T14174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  719.771071][T14174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.771077][T14174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  719.771080][T14174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  719.771082][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771084][T14174]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  719.771088][T14174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  719.771090][T14174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  719.771093][T14174]  vprintk_emit (kernel/printk/printk.c:2479)
[  719.771098][T14174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  719.771102][T14174]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  719.771111][T14174]  _printk (kernel/printk/printk.c:2504)
[  719.771115][T14174]  ? snapshot_read.cold (user.c:?)
[  719.771117][T14174]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  719.771120][T14174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  719.771123][T14174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  719.771125][T14174]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  719.771129][T14174]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  719.771132][T14174]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  719.771134][T14174]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  719.771138][T14174]  ? netdev_notice (net/core/dev.c:13194)
[  719.771141][T14174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.771144][T14174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  719.771147][T14174]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  719.771150][T14174]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  719.771153][T14174]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  719.771155][T14174]  ? register_netdev (net/core/dev.c:11618)
[  719.771157][T14174]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  719.771162][T14174]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  719.771165][T14174]  ? __kernel_text_address (kernel/extable.c:79)
[  719.771168][T14174]  ? write_profile (profile.c:?)
[  719.771175][T14174]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  719.771181][T14174]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  719.771185][T14174]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  719.771187][T14174]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  719.771189][T14174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  719.771191][T14174]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  719.771195][T14174]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  719.771197][T14174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  719.771199][T14174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  719.771201][T14174]  ? kasan_save_stack (mm/kasan/common.c:58)
[  719.771203][T14174]  ? kasan_save_stack (mm/kasan/common.c:57)
[  719.771205][T14174]  ? kasan_save_track (mm/kasan/common.c:78)
[  719.771206][T14174]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  719.771209][T14174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.771211][T14174]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  719.771214][T14174]  ? ___sys_sendmsg (net/socket.c:2758)
[  719.771218][T14174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  719.771220][T14174]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  719.771223][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771225][T14174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.771227][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771228][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771230][T14174]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  719.771232][T14174]  ? __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)
[  719.771234][T14174]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  719.771236][T14174]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  719.771239][T14174]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  719.771241][T14174]  ? nla_get_range_signed (lib/nlattr.c:270)
[  719.771246][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771248][T14174]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  719.771253][T14174]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  719.771259][T14174]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  719.771261][T14174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.771266][T14174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  719.771268][T14174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.771270][T14174]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  719.771272][T14174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  719.771276][T14174]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  719.771278][T14174]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  719.771281][T14174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  719.771283][T14174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  719.771288][T14174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  719.771290][T14174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.771293][T14174]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  719.771297][T14174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  719.771300][T14174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  719.771306][T14174]  ? 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))
[  719.771308][T14174]  ? 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))
[  719.771313][T14174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  719.771317][T14174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  719.771320][T14174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  719.771325][T14174]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  719.771329][T14174]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  719.771333][T14174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  719.771335][T14174]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  719.771340][T14174]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  719.771343][T14174]  ____sys_sendmsg (net/socket.c:2713)
[  719.771346][T14174]  ? copy_msghdr_from_user (net/socket.c:2650)
[  719.771348][T14174]  ? sock_write_iter (net/socket.c:1269)
[  719.771350][T14174]  ? move_addr_to_kernel (net/socket.c:258)
[  719.771358][T14174]  ___sys_sendmsg (net/socket.c:2767)
[  719.771361][T14174]  ? copy_msghdr_from_user (net/socket.c:2619)
[  719.771377][T14174]  __sys_sendmsg (net/socket.c:2799)
[  719.771380][T14174]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  719.771386][T14174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.771389][T14174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  719.771392][T14174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  719.771396][T14174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  719.771398][T14174] RIP: 0033:0x7f6356c5c54e
[  719.771402][T14174] 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
[  719.771404][T14174] RSP: 002b:00007ffc600911a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  719.771407][T14174] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6356c5c54e
[  719.771409][T14174] RDX: 0000000000000000 RSI: 00007ffc60091250 RDI: 0000000000000005
[  719.771410][T14174] RBP: 00007ffc600911b0 R08: 0000000000000000 R09: 0000000000000000
[  719.771411][T14174] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128a0
[  719.771412][T14174] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc60091920
| [  730.342948][T14344] softirqs last disabled at (25258): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  730.342951][T14344] Preemption disabled at:
| [  730.342951][T14344] vprintk_emit (kernel/printk/printk.c:2471)
| [  730.342960][T14344] Tainted: [W]=WARN
[  730.342961][T14344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  730.342963][T14344] Call Trace:
[  730.342965][T14344]  <TASK>
[  730.342966][T14344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  730.342973][T14344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  730.342975][T14344]  __might_resched.cold (kernel/sched/core.c:9234)
[  730.342979][T14344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  730.342984][T14344]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  730.342988][T14344]  __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))
[  730.342991][T14344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.342997][T14344]  ? 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)
[  730.343001][T14344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.343005][T14344]  put_chars (drivers/char/virtio_console.c:1176)
[  730.343007][T14344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  730.343014][T14344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  730.343022][T14344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  730.343026][T14344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.343030][T14344]  console_emit_next_record (kernel/printk/printk.c:3183)
[  730.343035][T14344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  730.343037][T14344]  ? 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))
[  730.343040][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343043][T14344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.343047][T14344]  console_flush_one_record (kernel/printk/printk.c:3268)
[  730.343052][T14344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  730.343054][T14344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.343060][T14344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  730.343063][T14344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  730.343065][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343067][T14344]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  730.343071][T14344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  730.343073][T14344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  730.343076][T14344]  vprintk_emit (kernel/printk/printk.c:2479)
[  730.343079][T14344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  730.343082][T14344]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  730.343087][T14344]  _printk (kernel/printk/printk.c:2504)
[  730.343091][T14344]  ? snapshot_read.cold (user.c:?)
[  730.343093][T14344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  730.343098][T14344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  730.343102][T14344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  730.343106][T14344]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  730.343110][T14344]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  730.343114][T14344]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.343116][T14344]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  730.343119][T14344]  ? netdev_notice (net/core/dev.c:13194)
[  730.343122][T14344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.343125][T14344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.343128][T14344]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  730.343132][T14344]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.343134][T14344]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  730.343137][T14344]  ? register_netdev (net/core/dev.c:11618)
[  730.343138][T14344]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  730.343144][T14344]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  730.343147][T14344]  ? __kernel_text_address (kernel/extable.c:79)
[  730.343150][T14344]  ? write_profile (profile.c:?)
[  730.343154][T14344]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  730.343160][T14344]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.343164][T14344]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  730.343166][T14344]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  730.343167][T14344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  730.343169][T14344]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  730.343176][T14344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  730.343178][T14344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  730.343181][T14344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  730.343183][T14344]  ? kasan_save_stack (mm/kasan/common.c:58)
[  730.343185][T14344]  ? kasan_save_stack (mm/kasan/common.c:57)
[  730.343187][T14344]  ? kasan_save_track (mm/kasan/common.c:78)
[  730.343188][T14344]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  730.343191][T14344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.343193][T14344]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  730.343196][T14344]  ? ___sys_sendmsg (net/socket.c:2758)
[  730.343200][T14344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.343203][T14344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  730.343205][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343207][T14344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.343209][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343210][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343212][T14344]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  730.343215][T14344]  ? __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)
[  730.343216][T14344]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  730.343219][T14344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  730.343222][T14344]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  730.343224][T14344]  ? nla_get_range_signed (lib/nlattr.c:270)
[  730.343229][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343231][T14344]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  730.343237][T14344]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  730.343242][T14344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.343245][T14344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.343249][T14344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.343252][T14344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.343254][T14344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.343256][T14344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.343260][T14344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.343262][T14344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  730.343265][T14344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.343267][T14344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.343272][T14344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.343274][T14344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.343277][T14344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  730.343281][T14344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.343284][T14344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  730.343291][T14344]  ? 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))
[  730.343293][T14344]  ? 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))
[  730.343298][T14344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  730.343302][T14344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  730.343305][T14344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.343309][T14344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  730.343313][T14344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  730.343317][T14344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.343319][T14344]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  730.343325][T14344]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  730.343328][T14344]  ____sys_sendmsg (net/socket.c:2713)
[  730.343330][T14344]  ? copy_msghdr_from_user (net/socket.c:2650)
[  730.343333][T14344]  ? sock_write_iter (net/socket.c:1269)
[  730.343335][T14344]  ? move_addr_to_kernel (net/socket.c:258)
[  730.343342][T14344]  ___sys_sendmsg (net/socket.c:2767)
[  730.343345][T14344]  ? copy_msghdr_from_user (net/socket.c:2619)
[  730.343362][T14344]  __sys_sendmsg (net/socket.c:2799)
[  730.343365][T14344]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  730.343371][T14344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.343375][T14344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  730.343378][T14344]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  730.343381][T14344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  730.343383][T14344] RIP: 0033:0x7fa5cc12b54e
[  730.343388][T14344] 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
[  730.343390][T14344] RSP: 002b:00007ffce3a759e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  730.343392][T14344] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5cc12b54e
[  730.343394][T14344] RDX: 0000000000000000 RSI: 00007ffce3a75a90 RDI: 0000000000000005
[  730.343395][T14344] RBP: 00007ffce3a759f0 R08: 0000000000000000 R09: 0000000000000000
[  730.343396][T14344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128aa
[  730.343397][T14344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce3a76160
| [  740.958905][T14515] softirqs last disabled at (31466): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  740.958907][T14515] Preemption disabled at:
| [  740.958908][T14515] vprintk_emit (kernel/printk/printk.c:2471)
| [  740.958917][T14515] Tainted: [W]=WARN
[  740.958918][T14515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  740.958920][T14515] Call Trace:
[  740.958922][T14515]  <TASK>
[  740.958923][T14515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  740.958929][T14515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  740.958931][T14515]  __might_resched.cold (kernel/sched/core.c:9234)
[  740.958936][T14515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  740.958941][T14515]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  740.958945][T14515]  __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))
[  740.958947][T14515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  740.958955][T14515]  ? 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)
[  740.958958][T14515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  740.958962][T14515]  put_chars (drivers/char/virtio_console.c:1176)
[  740.958964][T14515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  740.958971][T14515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  740.958978][T14515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  740.958982][T14515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  740.958987][T14515]  console_emit_next_record (kernel/printk/printk.c:3183)
[  740.958991][T14515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  740.958993][T14515]  ? 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))
[  740.958996][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.958999][T14515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  740.959003][T14515]  console_flush_one_record (kernel/printk/printk.c:3268)
[  740.959008][T14515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  740.959010][T14515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  740.959015][T14515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  740.959018][T14515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  740.959020][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.959022][T14515]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  740.959026][T14515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  740.959028][T14515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  740.959031][T14515]  vprintk_emit (kernel/printk/printk.c:2479)
[  740.959034][T14515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  740.959037][T14515]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  740.959043][T14515]  _printk (kernel/printk/printk.c:2504)
[  740.959046][T14515]  ? snapshot_read.cold (user.c:?)
[  740.959048][T14515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  740.959051][T14515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  740.959053][T14515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  740.959056][T14515]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  740.959060][T14515]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  740.959063][T14515]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  740.959065][T14515]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  740.959068][T14515]  ? netdev_notice (net/core/dev.c:13194)
[  740.959071][T14515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  740.959074][T14515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  740.959077][T14515]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  740.959081][T14515]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  740.959083][T14515]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  740.959085][T14515]  ? register_netdev (net/core/dev.c:11618)
[  740.959086][T14515]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  740.959092][T14515]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  740.959096][T14515]  ? __kernel_text_address (kernel/extable.c:79)
[  740.959100][T14515]  ? write_profile (profile.c:?)
[  740.959106][T14515]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  740.959114][T14515]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  740.959118][T14515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  740.959120][T14515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  740.959122][T14515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  740.959124][T14515]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  740.959127][T14515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  740.959129][T14515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  740.959131][T14515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  740.959134][T14515]  ? kasan_save_stack (mm/kasan/common.c:58)
[  740.959136][T14515]  ? kasan_save_stack (mm/kasan/common.c:57)
[  740.959137][T14515]  ? kasan_save_track (mm/kasan/common.c:78)
[  740.959139][T14515]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  740.959141][T14515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  740.959143][T14515]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  740.959147][T14515]  ? ___sys_sendmsg (net/socket.c:2758)
[  740.959151][T14515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  740.959153][T14515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  740.959155][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.959157][T14515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  740.959159][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.959160][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.959162][T14515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  740.959164][T14515]  ? __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)
[  740.959166][T14515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  740.959168][T14515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  740.959175][T14515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  740.959176][T14515]  ? nla_get_range_signed (lib/nlattr.c:270)
[  740.959182][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.959184][T14515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  740.959189][T14515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  740.959195][T14515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  740.959197][T14515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  740.959202][T14515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  740.959204][T14515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  740.959206][T14515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  740.959208][T14515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  740.959212][T14515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  740.959214][T14515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  740.959217][T14515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  740.959218][T14515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  740.959223][T14515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  740.959226][T14515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  740.959229][T14515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  740.959233][T14515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  740.959236][T14515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  740.959242][T14515]  ? 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))
[  740.959245][T14515]  ? 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))
[  740.959249][T14515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  740.959254][T14515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  740.959256][T14515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  740.959261][T14515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  740.959265][T14515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  740.959269][T14515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  740.959271][T14515]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  740.959276][T14515]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  740.959279][T14515]  ____sys_sendmsg (net/socket.c:2713)
[  740.959281][T14515]  ? copy_msghdr_from_user (net/socket.c:2650)
[  740.959284][T14515]  ? sock_write_iter (net/socket.c:1269)
[  740.959286][T14515]  ? move_addr_to_kernel (net/socket.c:258)
[  740.959293][T14515]  ___sys_sendmsg (net/socket.c:2767)
[  740.959296][T14515]  ? copy_msghdr_from_user (net/socket.c:2619)
[  740.959312][T14515]  __sys_sendmsg (net/socket.c:2799)
[  740.959315][T14515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  740.959321][T14515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.959325][T14515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  740.959328][T14515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  740.959331][T14515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  740.959333][T14515] RIP: 0033:0x7fcab4d7754e
[  740.959338][T14515] 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
[  740.959340][T14515] RSP: 002b:00007ffe790977c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  740.959343][T14515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcab4d7754e
[  740.959344][T14515] RDX: 0000000000000000 RSI: 00007ffe79097870 RDI: 0000000000000005
[  740.959345][T14515] RBP: 00007ffe790977d0 R08: 0000000000000000 R09: 0000000000000000
[  740.959346][T14515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128b5
[  740.959347][T14515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe79097f40
| [  751.550844][T14686] softirqs last disabled at (19460): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  751.550847][T14686] Preemption disabled at:
| [  751.550848][T14686] vprintk_emit (kernel/printk/printk.c:2471)
| [  751.550857][T14686] Tainted: [W]=WARN
[  751.550858][T14686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  751.550860][T14686] Call Trace:
[  751.550861][T14686]  <TASK>
[  751.550863][T14686]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  751.550869][T14686]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  751.550871][T14686]  __might_resched.cold (kernel/sched/core.c:9234)
[  751.550876][T14686]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  751.550881][T14686]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  751.550886][T14686]  __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))
[  751.550888][T14686]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  751.550895][T14686]  ? 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)
[  751.550898][T14686]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  751.550902][T14686]  put_chars (drivers/char/virtio_console.c:1176)
[  751.550904][T14686]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  751.550911][T14686]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  751.550919][T14686]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  751.550922][T14686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  751.550927][T14686]  console_emit_next_record (kernel/printk/printk.c:3183)
[  751.550931][T14686]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  751.550934][T14686]  ? 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))
[  751.550937][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.550940][T14686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  751.550944][T14686]  console_flush_one_record (kernel/printk/printk.c:3268)
[  751.550949][T14686]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  751.550951][T14686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  751.550956][T14686]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  751.550959][T14686]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  751.550962][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.550963][T14686]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  751.550967][T14686]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  751.550969][T14686]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  751.550972][T14686]  vprintk_emit (kernel/printk/printk.c:2479)
[  751.550976][T14686]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  751.550978][T14686]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  751.550984][T14686]  _printk (kernel/printk/printk.c:2504)
[  751.550988][T14686]  ? snapshot_read.cold (user.c:?)
[  751.550990][T14686]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  751.550993][T14686]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  751.550996][T14686]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  751.550998][T14686]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  751.551002][T14686]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  751.551005][T14686]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  751.551008][T14686]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  751.551011][T14686]  ? netdev_notice (net/core/dev.c:13194)
[  751.551014][T14686]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  751.551017][T14686]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  751.551020][T14686]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  751.551024][T14686]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  751.551027][T14686]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  751.551029][T14686]  ? register_netdev (net/core/dev.c:11618)
[  751.551030][T14686]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  751.551036][T14686]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  751.551039][T14686]  ? __kernel_text_address (kernel/extable.c:79)
[  751.551042][T14686]  ? write_profile (profile.c:?)
[  751.551046][T14686]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  751.551053][T14686]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  751.551056][T14686]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  751.551059][T14686]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  751.551060][T14686]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  751.551062][T14686]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  751.551066][T14686]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  751.551068][T14686]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  751.551070][T14686]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  751.551073][T14686]  ? kasan_save_stack (mm/kasan/common.c:58)
[  751.551075][T14686]  ? kasan_save_stack (mm/kasan/common.c:57)
[  751.551076][T14686]  ? kasan_save_track (mm/kasan/common.c:78)
[  751.551078][T14686]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  751.551080][T14686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  751.551082][T14686]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  751.551086][T14686]  ? ___sys_sendmsg (net/socket.c:2758)
[  751.551090][T14686]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  751.551092][T14686]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  751.551096][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.551099][T14686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  751.551102][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.551104][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.551107][T14686]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  751.551110][T14686]  ? __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)
[  751.551111][T14686]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  751.551113][T14686]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  751.551117][T14686]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  751.551118][T14686]  ? nla_get_range_signed (lib/nlattr.c:270)
[  751.551124][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.551126][T14686]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  751.551132][T14686]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  751.551138][T14686]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  751.551140][T14686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  751.551145][T14686]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  751.551147][T14686]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  751.551149][T14686]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  751.551151][T14686]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  751.551156][T14686]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  751.551158][T14686]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  751.551161][T14686]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  751.551163][T14686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  751.551168][T14686]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  751.551170][T14686]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  751.551177][T14686]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  751.551180][T14686]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  751.551183][T14686]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  751.551190][T14686]  ? 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))
[  751.551193][T14686]  ? 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))
[  751.551197][T14686]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  751.551202][T14686]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  751.551205][T14686]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  751.551209][T14686]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  751.551214][T14686]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  751.551218][T14686]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  751.551220][T14686]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  751.551225][T14686]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  751.551229][T14686]  ____sys_sendmsg (net/socket.c:2713)
[  751.551231][T14686]  ? copy_msghdr_from_user (net/socket.c:2650)
[  751.551234][T14686]  ? sock_write_iter (net/socket.c:1269)
[  751.551235][T14686]  ? move_addr_to_kernel (net/socket.c:258)
[  751.551243][T14686]  ___sys_sendmsg (net/socket.c:2767)
[  751.551246][T14686]  ? copy_msghdr_from_user (net/socket.c:2619)
[  751.551263][T14686]  __sys_sendmsg (net/socket.c:2799)
[  751.551266][T14686]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  751.551273][T14686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  751.551276][T14686]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  751.551280][T14686]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  751.551283][T14686]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  751.551285][T14686] RIP: 0033:0x7fb4cc73254e
[  751.551290][T14686] 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
[  751.551292][T14686] RSP: 002b:00007ffdb156d870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  751.551295][T14686] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb4cc73254e
[  751.551296][T14686] RDX: 0000000000000000 RSI: 00007ffdb156d920 RDI: 0000000000000005
[  751.551298][T14686] RBP: 00007ffdb156d880 R08: 0000000000000000 R09: 0000000000000000
[  751.551299][T14686] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128bf
[  751.551299][T14686] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb156dff0
| [  761.982824][T14857] softirqs last disabled at (24730): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  761.982826][T14857] Preemption disabled at:
| [  761.982827][T14857] vprintk_emit (kernel/printk/printk.c:2471)
| [  761.982836][T14857] Tainted: [W]=WARN
[  761.982837][T14857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  761.982839][T14857] Call Trace:
[  761.982840][T14857]  <TASK>
[  761.982842][T14857]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  761.982848][T14857]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  761.982850][T14857]  __might_resched.cold (kernel/sched/core.c:9234)
[  761.982855][T14857]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  761.982859][T14857]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  761.982864][T14857]  __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))
[  761.982866][T14857]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  761.982873][T14857]  ? 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)
[  761.982876][T14857]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  761.982880][T14857]  put_chars (drivers/char/virtio_console.c:1176)
[  761.982883][T14857]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  761.982890][T14857]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  761.982898][T14857]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  761.982901][T14857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  761.982907][T14857]  console_emit_next_record (kernel/printk/printk.c:3183)
[  761.982911][T14857]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  761.982913][T14857]  ? 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))
[  761.982917][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.982919][T14857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  761.982924][T14857]  console_flush_one_record (kernel/printk/printk.c:3268)
[  761.982928][T14857]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  761.982930][T14857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  761.982936][T14857]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  761.982939][T14857]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  761.982941][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.982943][T14857]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  761.982947][T14857]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  761.982949][T14857]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  761.982952][T14857]  vprintk_emit (kernel/printk/printk.c:2479)
[  761.982956][T14857]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  761.982959][T14857]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  761.982964][T14857]  _printk (kernel/printk/printk.c:2504)
[  761.982968][T14857]  ? snapshot_read.cold (user.c:?)
[  761.982970][T14857]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  761.982973][T14857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  761.982976][T14857]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  761.982978][T14857]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  761.982982][T14857]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  761.982985][T14857]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  761.982988][T14857]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  761.982991][T14857]  ? netdev_notice (net/core/dev.c:13194)
[  761.982994][T14857]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  761.982997][T14857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  761.983000][T14857]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  761.983004][T14857]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  761.983006][T14857]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  761.983008][T14857]  ? register_netdev (net/core/dev.c:11618)
[  761.983010][T14857]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  761.983016][T14857]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  761.983019][T14857]  ? __kernel_text_address (kernel/extable.c:79)
[  761.983022][T14857]  ? write_profile (profile.c:?)
[  761.983026][T14857]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  761.983032][T14857]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  761.983036][T14857]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  761.983038][T14857]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  761.983040][T14857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  761.983042][T14857]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  761.983045][T14857]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  761.983047][T14857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  761.983049][T14857]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  761.983052][T14857]  ? kasan_save_stack (mm/kasan/common.c:58)
[  761.983054][T14857]  ? kasan_save_stack (mm/kasan/common.c:57)
[  761.983055][T14857]  ? kasan_save_track (mm/kasan/common.c:78)
[  761.983057][T14857]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  761.983059][T14857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  761.983061][T14857]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  761.983065][T14857]  ? ___sys_sendmsg (net/socket.c:2758)
[  761.983069][T14857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  761.983072][T14857]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  761.983074][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.983076][T14857]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  761.983078][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.983079][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.983081][T14857]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  761.983084][T14857]  ? __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)
[  761.983085][T14857]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  761.983087][T14857]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  761.983091][T14857]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  761.983092][T14857]  ? nla_get_range_signed (lib/nlattr.c:270)
[  761.983100][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.983105][T14857]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  761.983113][T14857]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  761.983119][T14857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  761.983121][T14857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  761.983126][T14857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  761.983128][T14857]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  761.983131][T14857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  761.983133][T14857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  761.983137][T14857]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  761.983139][T14857]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  761.983142][T14857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  761.983144][T14857]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  761.983149][T14857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  761.983151][T14857]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  761.983155][T14857]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  761.983158][T14857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  761.983161][T14857]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  761.983168][T14857]  ? 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))
[  761.983170][T14857]  ? 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))
[  761.983179][T14857]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  761.983183][T14857]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  761.983186][T14857]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  761.983190][T14857]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  761.983195][T14857]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  761.983199][T14857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  761.983201][T14857]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  761.983206][T14857]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  761.983209][T14857]  ____sys_sendmsg (net/socket.c:2713)
[  761.983212][T14857]  ? copy_msghdr_from_user (net/socket.c:2650)
[  761.983214][T14857]  ? sock_write_iter (net/socket.c:1269)
[  761.983216][T14857]  ? move_addr_to_kernel (net/socket.c:258)
[  761.983224][T14857]  ___sys_sendmsg (net/socket.c:2767)
[  761.983227][T14857]  ? copy_msghdr_from_user (net/socket.c:2619)
[  761.983243][T14857]  __sys_sendmsg (net/socket.c:2799)
[  761.983246][T14857]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  761.983253][T14857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  761.983256][T14857]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  761.983260][T14857]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  761.983263][T14857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  761.983265][T14857] RIP: 0033:0x7fbc0d28154e
[  761.983269][T14857] 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
[  761.983272][T14857] RSP: 002b:00007ffc80d2e1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  761.983275][T14857] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fbc0d28154e
[  761.983277][T14857] RDX: 0000000000000000 RSI: 00007ffc80d2e290 RDI: 0000000000000005
[  761.983278][T14857] RBP: 00007ffc80d2e1f0 R08: 0000000000000000 R09: 0000000000000000
[  761.983279][T14857] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128ca
[  761.983280][T14857] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc80d2e960
| [  772.436952][T15028] softirqs last disabled at (21578): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  772.436955][T15028] Preemption disabled at:
| [  772.436956][T15028] vprintk_emit (kernel/printk/printk.c:2471)
| [  772.436965][T15028] Tainted: [W]=WARN
[  772.436966][T15028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  772.436967][T15028] Call Trace:
[  772.436969][T15028]  <TASK>
[  772.436971][T15028]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  772.436977][T15028]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  772.436979][T15028]  __might_resched.cold (kernel/sched/core.c:9234)
[  772.436983][T15028]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  772.436988][T15028]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  772.436993][T15028]  __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))
[  772.436995][T15028]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.437001][T15028]  ? 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)
[  772.437004][T15028]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  772.437008][T15028]  put_chars (drivers/char/virtio_console.c:1176)
[  772.437011][T15028]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  772.437018][T15028]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  772.437026][T15028]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  772.437029][T15028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.437034][T15028]  console_emit_next_record (kernel/printk/printk.c:3183)
[  772.437039][T15028]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  772.437041][T15028]  ? 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))
[  772.437044][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437047][T15028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.437051][T15028]  console_flush_one_record (kernel/printk/printk.c:3268)
[  772.437056][T15028]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  772.437058][T15028]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.437063][T15028]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  772.437067][T15028]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  772.437069][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437070][T15028]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  772.437074][T15028]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  772.437076][T15028]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  772.437079][T15028]  vprintk_emit (kernel/printk/printk.c:2479)
[  772.437083][T15028]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  772.437086][T15028]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  772.437091][T15028]  _printk (kernel/printk/printk.c:2504)
[  772.437096][T15028]  ? snapshot_read.cold (user.c:?)
[  772.437099][T15028]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  772.437104][T15028]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  772.437108][T15028]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  772.437111][T15028]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  772.437115][T15028]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  772.437118][T15028]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  772.437120][T15028]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  772.437123][T15028]  ? netdev_notice (net/core/dev.c:13194)
[  772.437126][T15028]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.437129][T15028]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  772.437132][T15028]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  772.437136][T15028]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  772.437138][T15028]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  772.437141][T15028]  ? register_netdev (net/core/dev.c:11618)
[  772.437142][T15028]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  772.437148][T15028]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  772.437150][T15028]  ? __kernel_text_address (kernel/extable.c:79)
[  772.437153][T15028]  ? write_profile (profile.c:?)
[  772.437157][T15028]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  772.437163][T15028]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  772.437167][T15028]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  772.437169][T15028]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  772.437174][T15028]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  772.437176][T15028]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  772.437180][T15028]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  772.437182][T15028]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  772.437184][T15028]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  772.437186][T15028]  ? kasan_save_stack (mm/kasan/common.c:58)
[  772.437189][T15028]  ? kasan_save_stack (mm/kasan/common.c:57)
[  772.437190][T15028]  ? kasan_save_track (mm/kasan/common.c:78)
[  772.437191][T15028]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  772.437194][T15028]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.437196][T15028]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  772.437199][T15028]  ? ___sys_sendmsg (net/socket.c:2758)
[  772.437204][T15028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  772.437206][T15028]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  772.437209][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437211][T15028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  772.437212][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437214][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437216][T15028]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  772.437218][T15028]  ? __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)
[  772.437220][T15028]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  772.437222][T15028]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  772.437225][T15028]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  772.437227][T15028]  ? nla_get_range_signed (lib/nlattr.c:270)
[  772.437232][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437234][T15028]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  772.437240][T15028]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  772.437245][T15028]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.437247][T15028]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.437252][T15028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  772.437254][T15028]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.437256][T15028]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.437258][T15028]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  772.437262][T15028]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  772.437264][T15028]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  772.437268][T15028]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  772.437269][T15028]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  772.437274][T15028]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  772.437276][T15028]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.437280][T15028]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  772.437283][T15028]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  772.437286][T15028]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  772.437293][T15028]  ? 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))
[  772.437295][T15028]  ? 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))
[  772.437300][T15028]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  772.437304][T15028]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  772.437307][T15028]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  772.437311][T15028]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  772.437315][T15028]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  772.437319][T15028]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  772.437321][T15028]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  772.437327][T15028]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  772.437330][T15028]  ____sys_sendmsg (net/socket.c:2713)
[  772.437333][T15028]  ? copy_msghdr_from_user (net/socket.c:2650)
[  772.437335][T15028]  ? sock_write_iter (net/socket.c:1269)
[  772.437337][T15028]  ? move_addr_to_kernel (net/socket.c:258)
[  772.437344][T15028]  ___sys_sendmsg (net/socket.c:2767)
[  772.437347][T15028]  ? copy_msghdr_from_user (net/socket.c:2619)
[  772.437364][T15028]  __sys_sendmsg (net/socket.c:2799)
[  772.437367][T15028]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  772.437373][T15028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  772.437377][T15028]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  772.437380][T15028]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  772.437383][T15028]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  772.437385][T15028] RIP: 0033:0x7f4f1558954e
[  772.437389][T15028] 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
[  772.437391][T15028] RSP: 002b:00007ffd17fee220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  772.437394][T15028] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4f1558954e
[  772.437396][T15028] RDX: 0000000000000000 RSI: 00007ffd17fee2d0 RDI: 0000000000000005
[  772.437397][T15028] RBP: 00007ffd17fee230 R08: 0000000000000000 R09: 0000000000000000
[  772.437398][T15028] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128d4
[  772.437399][T15028] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17fee9a0
| [  782.860841][T15199] softirqs last disabled at (17948): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  782.860843][T15199] Preemption disabled at:
| [  782.860844][T15199] vprintk_emit (kernel/printk/printk.c:2471)
| [  782.860853][T15199] Tainted: [W]=WARN
[  782.860854][T15199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  782.860856][T15199] Call Trace:
[  782.860858][T15199]  <TASK>
[  782.860860][T15199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  782.860866][T15199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  782.860868][T15199]  __might_resched.cold (kernel/sched/core.c:9234)
[  782.860873][T15199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  782.860877][T15199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  782.860882][T15199]  __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))
[  782.860884][T15199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  782.860890][T15199]  ? 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)
[  782.860893][T15199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  782.860897][T15199]  put_chars (drivers/char/virtio_console.c:1176)
[  782.860900][T15199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  782.860907][T15199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  782.860915][T15199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  782.860918][T15199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.860923][T15199]  console_emit_next_record (kernel/printk/printk.c:3183)
[  782.860927][T15199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  782.860929][T15199]  ? 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))
[  782.860932][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.860935][T15199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.860940][T15199]  console_flush_one_record (kernel/printk/printk.c:3268)
[  782.860944][T15199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  782.860946][T15199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  782.860951][T15199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  782.860954][T15199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  782.860956][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.860958][T15199]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  782.860962][T15199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  782.860964][T15199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  782.860967][T15199]  vprintk_emit (kernel/printk/printk.c:2479)
[  782.860970][T15199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  782.860973][T15199]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  782.860978][T15199]  _printk (kernel/printk/printk.c:2504)
[  782.860982][T15199]  ? snapshot_read.cold (user.c:?)
[  782.860984][T15199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  782.860986][T15199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  782.860989][T15199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  782.860991][T15199]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  782.860995][T15199]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  782.860998][T15199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  782.861000][T15199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  782.861004][T15199]  ? netdev_notice (net/core/dev.c:13194)
[  782.861006][T15199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  782.861010][T15199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  782.861012][T15199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  782.861016][T15199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  782.861018][T15199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  782.861020][T15199]  ? register_netdev (net/core/dev.c:11618)
[  782.861022][T15199]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  782.861028][T15199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  782.861030][T15199]  ? __kernel_text_address (kernel/extable.c:79)
[  782.861033][T15199]  ? write_profile (profile.c:?)
[  782.861037][T15199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  782.861043][T15199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  782.861047][T15199]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  782.861049][T15199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  782.861051][T15199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  782.861053][T15199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  782.861056][T15199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  782.861058][T15199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  782.861060][T15199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  782.861062][T15199]  ? kasan_save_stack (mm/kasan/common.c:58)
[  782.861065][T15199]  ? kasan_save_stack (mm/kasan/common.c:57)
[  782.861066][T15199]  ? kasan_save_track (mm/kasan/common.c:78)
[  782.861067][T15199]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  782.861070][T15199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  782.861072][T15199]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  782.861075][T15199]  ? ___sys_sendmsg (net/socket.c:2758)
[  782.861079][T15199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  782.861081][T15199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  782.861084][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.861086][T15199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.861088][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.861089][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.861091][T15199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  782.861093][T15199]  ? __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)
[  782.861095][T15199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  782.861098][T15199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  782.861104][T15199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  782.861106][T15199]  ? nla_get_range_signed (lib/nlattr.c:270)
[  782.861112][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.861115][T15199]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  782.861120][T15199]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  782.861125][T15199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.861128][T15199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  782.861132][T15199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  782.861134][T15199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  782.861136][T15199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.861138][T15199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  782.861142][T15199]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.861145][T15199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  782.861148][T15199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  782.861149][T15199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  782.861154][T15199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  782.861156][T15199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  782.861160][T15199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  782.861163][T15199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  782.861166][T15199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  782.861176][T15199]  ? 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))
[  782.861178][T15199]  ? 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))
[  782.861183][T15199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  782.861187][T15199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  782.861190][T15199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  782.861194][T15199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  782.861198][T15199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  782.861202][T15199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  782.861204][T15199]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  782.861210][T15199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  782.861213][T15199]  ____sys_sendmsg (net/socket.c:2713)
[  782.861215][T15199]  ? copy_msghdr_from_user (net/socket.c:2650)
[  782.861218][T15199]  ? sock_write_iter (net/socket.c:1269)
[  782.861219][T15199]  ? move_addr_to_kernel (net/socket.c:258)
[  782.861227][T15199]  ___sys_sendmsg (net/socket.c:2767)
[  782.861230][T15199]  ? copy_msghdr_from_user (net/socket.c:2619)
[  782.861246][T15199]  __sys_sendmsg (net/socket.c:2799)
[  782.861249][T15199]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  782.861256][T15199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.861259][T15199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  782.861262][T15199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  782.861265][T15199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  782.861268][T15199] RIP: 0033:0x7f836a3d854e
[  782.861272][T15199] 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
[  782.861274][T15199] RSP: 002b:00007fff1c255dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  782.861277][T15199] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f836a3d854e
[  782.861278][T15199] RDX: 0000000000000000 RSI: 00007fff1c255e70 RDI: 0000000000000005
[  782.861280][T15199] RBP: 00007fff1c255dd0 R08: 0000000000000000 R09: 0000000000000000
[  782.861281][T15199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128df
[  782.861282][T15199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1c256540
| [  793.345788][T15370] softirqs last disabled at (34116): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  793.345791][T15370] Preemption disabled at:
| [  793.345791][T15370] vprintk_emit (kernel/printk/printk.c:2471)
| [  793.345800][T15370] Tainted: [W]=WARN
[  793.345801][T15370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  793.345803][T15370] Call Trace:
[  793.345804][T15370]  <TASK>
[  793.345806][T15370]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  793.345812][T15370]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  793.345814][T15370]  __might_resched.cold (kernel/sched/core.c:9234)
[  793.345819][T15370]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  793.345823][T15370]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  793.345828][T15370]  __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))
[  793.345830][T15370]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  793.345837][T15370]  ? 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)
[  793.345840][T15370]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  793.345844][T15370]  put_chars (drivers/char/virtio_console.c:1176)
[  793.345846][T15370]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  793.345853][T15370]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  793.345861][T15370]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  793.345864][T15370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.345874][T15370]  console_emit_next_record (kernel/printk/printk.c:3183)
[  793.345879][T15370]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  793.345881][T15370]  ? 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))
[  793.345885][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.345887][T15370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.345891][T15370]  console_flush_one_record (kernel/printk/printk.c:3268)
[  793.345896][T15370]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  793.345898][T15370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  793.345904][T15370]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  793.345907][T15370]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  793.345909][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.345911][T15370]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  793.345915][T15370]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  793.345917][T15370]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  793.345919][T15370]  vprintk_emit (kernel/printk/printk.c:2479)
[  793.345923][T15370]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  793.345926][T15370]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  793.345931][T15370]  _printk (kernel/printk/printk.c:2504)
[  793.345935][T15370]  ? snapshot_read.cold (user.c:?)
[  793.345937][T15370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  793.345939][T15370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  793.345942][T15370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  793.345944][T15370]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  793.345948][T15370]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  793.345952][T15370]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  793.345954][T15370]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  793.345957][T15370]  ? netdev_notice (net/core/dev.c:13194)
[  793.345960][T15370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  793.345964][T15370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  793.345966][T15370]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  793.345970][T15370]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  793.345972][T15370]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  793.345975][T15370]  ? register_netdev (net/core/dev.c:11618)
[  793.345976][T15370]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  793.345982][T15370]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  793.345985][T15370]  ? __kernel_text_address (kernel/extable.c:79)
[  793.345987][T15370]  ? write_profile (profile.c:?)
[  793.345991][T15370]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  793.345997][T15370]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  793.346001][T15370]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  793.346003][T15370]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  793.346005][T15370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  793.346007][T15370]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  793.346010][T15370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  793.346012][T15370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  793.346014][T15370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  793.346017][T15370]  ? kasan_save_stack (mm/kasan/common.c:58)
[  793.346019][T15370]  ? kasan_save_stack (mm/kasan/common.c:57)
[  793.346020][T15370]  ? kasan_save_track (mm/kasan/common.c:78)
[  793.346022][T15370]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  793.346024][T15370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  793.346027][T15370]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  793.346030][T15370]  ? ___sys_sendmsg (net/socket.c:2758)
[  793.346034][T15370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  793.346036][T15370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  793.346039][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.346041][T15370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.346043][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.346044][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.346046][T15370]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  793.346048][T15370]  ? __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)
[  793.346049][T15370]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  793.346052][T15370]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  793.346055][T15370]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  793.346056][T15370]  ? nla_get_range_signed (lib/nlattr.c:270)
[  793.346061][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.346064][T15370]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  793.346069][T15370]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  793.346075][T15370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  793.346077][T15370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  793.346082][T15370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  793.346084][T15370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  793.346086][T15370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  793.346088][T15370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  793.346092][T15370]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  793.346094][T15370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  793.346099][T15370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  793.346102][T15370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  793.346110][T15370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  793.346112][T15370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  793.346116][T15370]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  793.346119][T15370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  793.346122][T15370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  793.346129][T15370]  ? 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))
[  793.346131][T15370]  ? 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))
[  793.346136][T15370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  793.346140][T15370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  793.346143][T15370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  793.346148][T15370]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  793.346152][T15370]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  793.346156][T15370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  793.346158][T15370]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  793.346163][T15370]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  793.346166][T15370]  ____sys_sendmsg (net/socket.c:2713)
[  793.346169][T15370]  ? copy_msghdr_from_user (net/socket.c:2650)
[  793.346174][T15370]  ? sock_write_iter (net/socket.c:1269)
[  793.346176][T15370]  ? move_addr_to_kernel (net/socket.c:258)
[  793.346184][T15370]  ___sys_sendmsg (net/socket.c:2767)
[  793.346187][T15370]  ? copy_msghdr_from_user (net/socket.c:2619)
[  793.346203][T15370]  __sys_sendmsg (net/socket.c:2799)
[  793.346206][T15370]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  793.346213][T15370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.346216][T15370]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  793.346219][T15370]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  793.346222][T15370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  793.346224][T15370] RIP: 0033:0x7f02c4bcf54e
[  793.346228][T15370] 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
[  793.346230][T15370] RSP: 002b:00007ffd17e587c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  793.346233][T15370] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f02c4bcf54e
[  793.346235][T15370] RDX: 0000000000000000 RSI: 00007ffd17e58870 RDI: 0000000000000005
[  793.346236][T15370] RBP: 00007ffd17e587d0 R08: 0000000000000000 R09: 0000000000000000
[  793.346237][T15370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128e9
[  793.346238][T15370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17e58f40
| [  804.521407][T15541] softirqs last disabled at (24936): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  804.521411][T15541] Preemption disabled at:
| [  804.521412][T15541] vprintk_emit (kernel/printk/printk.c:2471)
| [  804.521424][T15541] Tainted: [W]=WARN
[  804.521425][T15541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  804.521428][T15541] Call Trace:
[  804.521431][T15541]  <TASK>
[  804.521433][T15541]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  804.521441][T15541]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  804.521444][T15541]  __might_resched.cold (kernel/sched/core.c:9234)
[  804.521451][T15541]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  804.521457][T15541]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  804.521465][T15541]  __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))
[  804.521468][T15541]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  804.521479][T15541]  ? 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)
[  804.521483][T15541]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  804.521490][T15541]  put_chars (drivers/char/virtio_console.c:1176)
[  804.521494][T15541]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  804.521507][T15541]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  804.521520][T15541]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  804.521526][T15541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  804.521534][T15541]  console_emit_next_record (kernel/printk/printk.c:3183)
[  804.521541][T15541]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  804.521544][T15541]  ? 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))
[  804.521550][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.521554][T15541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  804.521562][T15541]  console_flush_one_record (kernel/printk/printk.c:3268)
[  804.521570][T15541]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  804.521573][T15541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  804.521583][T15541]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  804.521588][T15541]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  804.521591][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.521594][T15541]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  804.521601][T15541]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  804.521604][T15541]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  804.521609][T15541]  vprintk_emit (kernel/printk/printk.c:2479)
[  804.521615][T15541]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  804.521620][T15541]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  804.521629][T15541]  _printk (kernel/printk/printk.c:2504)
[  804.521634][T15541]  ? snapshot_read.cold (user.c:?)
[  804.521637][T15541]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  804.521642][T15541]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  804.521647][T15541]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  804.521651][T15541]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  804.521656][T15541]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  804.521661][T15541]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  804.521665][T15541]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  804.521669][T15541]  ? netdev_notice (net/core/dev.c:13194)
[  804.521674][T15541]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  804.521679][T15541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  804.521684][T15541]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  804.521690][T15541]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  804.521694][T15541]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  804.521698][T15541]  ? register_netdev (net/core/dev.c:11618)
[  804.521700][T15541]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  804.521709][T15541]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  804.521714][T15541]  ? __kernel_text_address (kernel/extable.c:79)
[  804.521717][T15541]  ? write_profile (profile.c:?)
[  804.521724][T15541]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  804.521733][T15541]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  804.521740][T15541]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  804.521743][T15541]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  804.521746][T15541]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  804.521749][T15541]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  804.521754][T15541]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  804.521758][T15541]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  804.521761][T15541]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  804.521765][T15541]  ? kasan_save_stack (mm/kasan/common.c:58)
[  804.521769][T15541]  ? kasan_save_stack (mm/kasan/common.c:57)
[  804.521771][T15541]  ? kasan_save_track (mm/kasan/common.c:78)
[  804.521773][T15541]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  804.521778][T15541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  804.521781][T15541]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  804.521786][T15541]  ? ___sys_sendmsg (net/socket.c:2758)
[  804.521793][T15541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  804.521797][T15541]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  804.521802][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.521805][T15541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  804.521808][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.521810][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.521813][T15541]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  804.521818][T15541]  ? __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)
[  804.521820][T15541]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  804.521824][T15541]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  804.521831][T15541]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  804.521833][T15541]  ? nla_get_range_signed (lib/nlattr.c:270)
[  804.521842][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.521846][T15541]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  804.521857][T15541]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  804.521868][T15541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  804.521871][T15541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  804.521880][T15541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  804.521884][T15541]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  804.521887][T15541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  804.521891][T15541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  804.521898][T15541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  804.521902][T15541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  804.521909][T15541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  804.521911][T15541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  804.521920][T15541]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  804.521923][T15541]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  804.521931][T15541]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  804.521935][T15541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  804.521947][T15541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  804.521960][T15541]  ? 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))
[  804.521963][T15541]  ? 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))
[  804.521972][T15541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  804.521979][T15541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  804.521984][T15541]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  804.521993][T15541]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  804.522000][T15541]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  804.522007][T15541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  804.522010][T15541]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  804.522019][T15541]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  804.522025][T15541]  ____sys_sendmsg (net/socket.c:2713)
[  804.522030][T15541]  ? copy_msghdr_from_user (net/socket.c:2650)
[  804.522034][T15541]  ? sock_write_iter (net/socket.c:1269)
[  804.522036][T15541]  ? move_addr_to_kernel (net/socket.c:258)
[  804.522051][T15541]  ___sys_sendmsg (net/socket.c:2767)
[  804.522057][T15541]  ? copy_msghdr_from_user (net/socket.c:2619)
[  804.522090][T15541]  __sys_sendmsg (net/socket.c:2799)
[  804.522095][T15541]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  804.522106][T15541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  804.522113][T15541]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  804.522117][T15541]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  804.522122][T15541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  804.522126][T15541] RIP: 0033:0x7fe4eb42f54e
[  804.522132][T15541] 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
[  804.522135][T15541] RSP: 002b:00007fff0e7d5630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  804.522140][T15541] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe4eb42f54e
[  804.522143][T15541] RDX: 0000000000000000 RSI: 00007fff0e7d56e0 RDI: 0000000000000005
[  804.522145][T15541] RBP: 00007fff0e7d5640 R08: 0000000000000000 R09: 0000000000000000
[  804.522146][T15541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128f4


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