======================================
| [   12.069316][  T246] softirqs last disabled at (21839): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   12.069319][  T246] Preemption disabled at:
| [   12.069319][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.069329][  T246] Tainted: [W]=WARN
[   12.069330][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.069332][  T246] Call Trace:
[   12.069334][  T246]  <TASK>
[   12.069335][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.069341][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.069343][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.069348][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.069352][  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)
[   12.069356][  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))
[   12.069359][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.069365][  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)
[   12.069368][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.069373][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   12.069375][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.069382][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.069391][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.069394][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.069399][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.069403][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.069405][  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))
[   12.069408][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069411][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.069415][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.069420][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.069422][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.069428][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.069431][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.069433][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069434][  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)
[   12.069438][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.069440][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.069443][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.069446][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.069449][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.069453][  T246]  _printk (kernel/printk/printk.c:2504)
[   12.069457][  T246]  ? snapshot_read.cold (user.c:?)
[   12.069459][  T246]  ? __schedule (kernel/sched/core.c:7277)
[   12.069465][  T246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.069469][  T246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.069472][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.069475][  T246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.069477][  T246]  ? netdev_notice (net/core/dev.c:13194)
[   12.069482][  T246]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   12.069485][  T246]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[   12.069488][  T246]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   12.069491][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.069493][  T246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.069495][  T246]  ? register_netdev (net/core/dev.c:11618)
[   12.069497][  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))
[   12.069503][  T246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.069506][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   12.069509][  T246]  ? write_profile (profile.c:?)
[   12.069513][  T246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.069520][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.069523][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.069525][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.069526][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.069529][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.069532][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.069535][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.069537][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.069539][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.069541][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.069542][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.069544][  T246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.069546][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.069548][  T246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.069551][  T246]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.069555][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.069557][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.069560][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069562][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.069563][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069564][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069566][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.069568][  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)
[   12.069570][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.069572][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.069575][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.069576][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.069582][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069584][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.069589][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.069595][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.069597][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.069602][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.069604][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.069606][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.069608][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.069612][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.069614][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.069618][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.069619][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.069624][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.069626][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.069630][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.069633][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.069636][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.069643][  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))
[   12.069645][  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))
[   12.069650][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.069654][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.069657][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.069662][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.069666][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.069670][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.069672][  T246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.069677][  T246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.069680][  T246]  ____sys_sendmsg (net/socket.c:2713)
[   12.069683][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.069685][  T246]  ? sock_write_iter (net/socket.c:1269)
[   12.069687][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   12.069694][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   12.069697][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.069715][  T246]  __sys_sendmsg (net/socket.c:2799)
[   12.069718][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.069724][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.069728][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.069730][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.069734][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.069736][  T246] RIP: 0033:0x7f9f4615354e
[   12.069740][  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
[   12.069742][  T246] RSP: 002b:00007ffd22ccca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.069744][  T246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f9f4615354e
[   12.069746][  T246] RDX: 0000000000000000 RSI: 00007ffd22cccae0 RDI: 0000000000000005
[   12.069747][  T246] RBP: 00007ffd22ccca40 R08: 0000000000000000 R09: 0000000000000000
[   12.069747][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9164b2
[   12.069748][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd22ccd1b0
| [   29.845777][  T640] softirqs last disabled at (29636): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.845780][  T640] Preemption disabled at:
| [   29.845781][  T640] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.845789][  T640] Tainted: [W]=WARN
[   29.845790][  T640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.845792][  T640] Call Trace:
[   29.845794][  T640]  <TASK>
[   29.845795][  T640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.845801][  T640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.845803][  T640]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.845807][  T640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.845812][  T640]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.845816][  T640]  __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))
[   29.845818][  T640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.845825][  T640]  ? 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)
[   29.845828][  T640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.845832][  T640]  put_chars (drivers/char/virtio_console.c:1176)
[   29.845835][  T640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.845841][  T640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.845849][  T640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.845852][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.845857][  T640]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.845861][  T640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.845863][  T640]  ? 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))
[   29.845866][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.845869][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.845873][  T640]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.845878][  T640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.845880][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.845885][  T640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.845888][  T640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.845890][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.845892][  T640]  ? 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)
[   29.845896][  T640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.845904][  T640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.845907][  T640]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.845911][  T640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.845913][  T640]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   29.845918][  T640]  _printk (kernel/printk/printk.c:2504)
[   29.845922][  T640]  ? snapshot_read.cold (user.c:?)
[   29.845924][  T640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.845927][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.845929][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.845932][  T640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.845936][  T640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.845939][  T640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.845941][  T640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.845944][  T640]  ? netdev_notice (net/core/dev.c:13194)
[   29.845947][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.845950][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.845952][  T640]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.845956][  T640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.845958][  T640]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.845960][  T640]  ? register_netdev (net/core/dev.c:11618)
[   29.845962][  T640]  ? 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))
[   29.845967][  T640]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.845970][  T640]  ? __kernel_text_address (kernel/extable.c:79)
[   29.845972][  T640]  ? write_profile (profile.c:?)
[   29.845977][  T640]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.845983][  T640]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.845986][  T640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.845988][  T640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.845990][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.845991][  T640]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.845995][  T640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.845997][  T640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.845999][  T640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.846001][  T640]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.846003][  T640]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.846004][  T640]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.846006][  T640]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.846008][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.846010][  T640]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   29.846013][  T640]  ? ___sys_sendmsg (net/socket.c:2758)
[   29.846017][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.846019][  T640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.846022][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846024][  T640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.846025][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846026][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846028][  T640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.846030][  T640]  ? __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)
[   29.846032][  T640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.846034][  T640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.846037][  T640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.846038][  T640]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.846043][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846046][  T640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.846051][  T640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.846056][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.846058][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.846063][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.846065][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.846067][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.846069][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.846073][  T640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.846075][  T640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.846078][  T640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.846079][  T640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.846084][  T640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.846086][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.846090][  T640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.846093][  T640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.846096][  T640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.846102][  T640]  ? 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))
[   29.846104][  T640]  ? 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))
[   29.846109][  T640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.846113][  T640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.846119][  T640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.846123][  T640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.846127][  T640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.846131][  T640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.846133][  T640]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.846138][  T640]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.846141][  T640]  ____sys_sendmsg (net/socket.c:2713)
[   29.846143][  T640]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.846146][  T640]  ? sock_write_iter (net/socket.c:1269)
[   29.846147][  T640]  ? move_addr_to_kernel (net/socket.c:258)
[   29.846155][  T640]  ___sys_sendmsg (net/socket.c:2767)
[   29.846158][  T640]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.846174][  T640]  __sys_sendmsg (net/socket.c:2799)
[   29.846177][  T640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.846183][  T640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846186][  T640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.846189][  T640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.846193][  T640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.846195][  T640] RIP: 0033:0x7fc8362f354e
[   29.846199][  T640] 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
[   29.846201][  T640] RSP: 002b:00007ffcb487a810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.846205][  T640] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc8362f354e
[   29.846207][  T640] RDX: 0000000000000000 RSI: 00007ffcb487a8c0 RDI: 0000000000000005
[   29.846208][  T640] RBP: 00007ffcb487a820 R08: 0000000000000000 R09: 0000000000000000
[   29.846210][  T640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9164c4
[   29.846211][  T640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb487af90
| [   47.731912][ T1035] softirqs last disabled at (18296): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.731915][ T1035] Preemption disabled at:
| [   47.731915][ T1035] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.731924][ T1035] Tainted: [W]=WARN
[   47.731925][ T1035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.731927][ T1035] Call Trace:
[   47.731928][ T1035]  <TASK>
[   47.731930][ T1035]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.731936][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.731937][ T1035]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.731948][ T1035]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.731952][ T1035]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.731957][ T1035]  __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))
[   47.731959][ T1035]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.731965][ T1035]  ? 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)
[   47.731968][ T1035]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.731972][ T1035]  put_chars (drivers/char/virtio_console.c:1176)
[   47.731974][ T1035]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.731981][ T1035]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.731989][ T1035]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.731992][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.731997][ T1035]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.732001][ T1035]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.732003][ T1035]  ? 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))
[   47.732006][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732009][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.732013][ T1035]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.732018][ T1035]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.732020][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732025][ T1035]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.732028][ T1035]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.732030][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732032][ T1035]  ? 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)
[   47.732035][ T1035]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.732037][ T1035]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.732040][ T1035]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.732043][ T1035]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.732046][ T1035]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   47.732051][ T1035]  _printk (kernel/printk/printk.c:2504)
[   47.732055][ T1035]  ? snapshot_read.cold (user.c:?)
[   47.732057][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.732060][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.732063][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.732065][ T1035]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.732069][ T1035]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.732072][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.732074][ T1035]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.732077][ T1035]  ? netdev_notice (net/core/dev.c:13194)
[   47.732080][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.732083][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.732086][ T1035]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.732089][ T1035]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.732092][ T1035]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.732094][ T1035]  ? register_netdev (net/core/dev.c:11618)
[   47.732095][ T1035]  ? 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))
[   47.732101][ T1035]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.732103][ T1035]  ? __kernel_text_address (kernel/extable.c:79)
[   47.732106][ T1035]  ? write_profile (profile.c:?)
[   47.732110][ T1035]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.732119][ T1035]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.732122][ T1035]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.732125][ T1035]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.732126][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.732128][ T1035]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.732131][ T1035]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.732133][ T1035]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.732135][ T1035]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.732138][ T1035]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.732139][ T1035]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.732141][ T1035]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.732142][ T1035]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.732144][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732146][ T1035]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   47.732150][ T1035]  ? ___sys_sendmsg (net/socket.c:2758)
[   47.732154][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.732156][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.732158][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732160][ T1035]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.732162][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732163][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732165][ T1035]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.732167][ T1035]  ? __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)
[   47.732168][ T1035]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.732170][ T1035]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.732174][ T1035]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.732175][ T1035]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.732180][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732182][ T1035]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.732188][ T1035]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.732193][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.732195][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732200][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.732203][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.732206][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.732209][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.732216][ T1035]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.732219][ T1035]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.732225][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.732227][ T1035]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.732231][ T1035]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.732233][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.732237][ T1035]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.732240][ T1035]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.732243][ T1035]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.732250][ T1035]  ? 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))
[   47.732252][ T1035]  ? 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))
[   47.732256][ T1035]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.732260][ T1035]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.732263][ T1035]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.732267][ T1035]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.732272][ T1035]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.732275][ T1035]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.732277][ T1035]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.732283][ T1035]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.732286][ T1035]  ____sys_sendmsg (net/socket.c:2713)
[   47.732288][ T1035]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.732291][ T1035]  ? sock_write_iter (net/socket.c:1269)
[   47.732292][ T1035]  ? move_addr_to_kernel (net/socket.c:258)
[   47.732300][ T1035]  ___sys_sendmsg (net/socket.c:2767)
[   47.732303][ T1035]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.732319][ T1035]  __sys_sendmsg (net/socket.c:2799)
[   47.732322][ T1035]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.732328][ T1035]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.732332][ T1035]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.732335][ T1035]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.732338][ T1035]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.732341][ T1035] RIP: 0033:0x7f351e4e454e
[   47.732345][ T1035] 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
[   47.732347][ T1035] RSP: 002b:00007ffdf31cd540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.732350][ T1035] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f351e4e454e
[   47.732351][ T1035] RDX: 0000000000000000 RSI: 00007ffdf31cd5f0 RDI: 0000000000000005
[   47.732352][ T1035] RBP: 00007ffdf31cd550 R08: 0000000000000000 R09: 0000000000000000
[   47.732353][ T1035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9164d6
[   47.732354][ T1035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf31cdcc0
| [   65.847811][ T1429] softirqs last disabled at (18798): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   65.847813][ T1429] Preemption disabled at:
| [   65.847814][ T1429] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.847823][ T1429] Tainted: [W]=WARN
[   65.847824][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.847826][ T1429] Call Trace:
[   65.847827][ T1429]  <TASK>
[   65.847829][ T1429]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.847835][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.847837][ T1429]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.847842][ T1429]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.847846][ T1429]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.847851][ T1429]  __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))
[   65.847852][ T1429]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.847859][ T1429]  ? 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)
[   65.847862][ T1429]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.847866][ T1429]  put_chars (drivers/char/virtio_console.c:1176)
[   65.847868][ T1429]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.847875][ T1429]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.847883][ T1429]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.847886][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.847891][ T1429]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.847895][ T1429]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.847897][ T1429]  ? 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))
[   65.847900][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.847903][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.847907][ T1429]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.847911][ T1429]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.847913][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.847918][ T1429]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.847921][ T1429]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.847923][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.847925][ T1429]  ? 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)
[   65.847929][ T1429]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.847931][ T1429]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.847933][ T1429]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.847936][ T1429]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.847939][ T1429]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   65.847944][ T1429]  _printk (kernel/printk/printk.c:2504)
[   65.847948][ T1429]  ? snapshot_read.cold (user.c:?)
[   65.847950][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.847953][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.847956][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.847958][ T1429]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.847962][ T1429]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.847965][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.847967][ T1429]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.847970][ T1429]  ? netdev_notice (net/core/dev.c:13194)
[   65.847973][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.847976][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.847978][ T1429]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.847982][ T1429]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.847989][ T1429]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   65.847991][ T1429]  ? register_netdev (net/core/dev.c:11618)
[   65.847993][ T1429]  ? 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))
[   65.847998][ T1429]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   65.848001][ T1429]  ? __kernel_text_address (kernel/extable.c:79)
[   65.848004][ T1429]  ? write_profile (profile.c:?)
[   65.848008][ T1429]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   65.848014][ T1429]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.848017][ T1429]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.848020][ T1429]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.848021][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.848023][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.848026][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.848028][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.848030][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.848033][ T1429]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.848035][ T1429]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.848036][ T1429]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.848037][ T1429]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.848039][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.848041][ T1429]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   65.848044][ T1429]  ? ___sys_sendmsg (net/socket.c:2758)
[   65.848048][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.848050][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.848053][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.848055][ T1429]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.848056][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.848058][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.848059][ T1429]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.848062][ T1429]  ? __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)
[   65.848063][ T1429]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.848065][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.848068][ T1429]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.848069][ T1429]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.848074][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.848077][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.848082][ T1429]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.848087][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.848089][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.848094][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.848096][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.848098][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.848099][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.848103][ T1429]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.848105][ T1429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.848109][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.848110][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.848115][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.848120][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.848123][ T1429]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.848126][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.848129][ T1429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.848136][ T1429]  ? 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))
[   65.848138][ T1429]  ? 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))
[   65.848142][ T1429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.848146][ T1429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.848149][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.848153][ T1429]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.848157][ T1429]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.848161][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.848163][ T1429]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.848168][ T1429]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.848171][ T1429]  ____sys_sendmsg (net/socket.c:2713)
[   65.848174][ T1429]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.848176][ T1429]  ? sock_write_iter (net/socket.c:1269)
[   65.848178][ T1429]  ? move_addr_to_kernel (net/socket.c:258)
[   65.848185][ T1429]  ___sys_sendmsg (net/socket.c:2767)
[   65.848188][ T1429]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.848204][ T1429]  __sys_sendmsg (net/socket.c:2799)
[   65.848207][ T1429]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.848213][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.848216][ T1429]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.848220][ T1429]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.848223][ T1429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.848225][ T1429] RIP: 0033:0x7ff449d1f54e
[   65.848229][ T1429] 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
[   65.848231][ T1429] RSP: 002b:00007fff949398a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.848234][ T1429] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff449d1f54e
[   65.848235][ T1429] RDX: 0000000000000000 RSI: 00007fff94939950 RDI: 0000000000000005
[   65.848236][ T1429] RBP: 00007fff949398b0 R08: 0000000000000000 R09: 0000000000000000
[   65.848237][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9164e8
[   65.848238][ T1429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9493a020
| [   80.567821][ T1837] softirqs last disabled at (22360): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   80.567824][ T1837] Preemption disabled at:
| [   80.567824][ T1837] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.567833][ T1837] Tainted: [W]=WARN
[   80.567834][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.567835][ T1837] Call Trace:
[   80.567837][ T1837]  <TASK>
[   80.567838][ T1837]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.567845][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.567846][ T1837]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.567851][ T1837]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.567855][ T1837]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   80.567860][ T1837]  __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))
[   80.567862][ T1837]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.567869][ T1837]  ? 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)
[   80.567872][ T1837]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.567876][ T1837]  put_chars (drivers/char/virtio_console.c:1176)
[   80.567879][ T1837]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.567885][ T1837]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.567893][ T1837]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.567897][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.567901][ T1837]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.567906][ T1837]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.567908][ T1837]  ? 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))
[   80.567911][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.567914][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.567918][ T1837]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.567922][ T1837]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.567924][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.567930][ T1837]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.567933][ T1837]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.567935][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.567936][ T1837]  ? 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)
[   80.567940][ T1837]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.567942][ T1837]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.567945][ T1837]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.567948][ T1837]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.567951][ T1837]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   80.567956][ T1837]  _printk (kernel/printk/printk.c:2504)
[   80.567961][ T1837]  ? snapshot_read.cold (user.c:?)
[   80.567962][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   80.567965][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.567968][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   80.567970][ T1837]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.567974][ T1837]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.567977][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   80.567979][ T1837]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.567982][ T1837]  ? netdev_notice (net/core/dev.c:13194)
[   80.567985][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.567988][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.567991][ T1837]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   80.567995][ T1837]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   80.567997][ T1837]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   80.567999][ T1837]  ? register_netdev (net/core/dev.c:11618)
[   80.568001][ T1837]  ? 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))
[   80.568006][ T1837]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   80.568009][ T1837]  ? __kernel_text_address (kernel/extable.c:79)
[   80.568011][ T1837]  ? write_profile (profile.c:?)
[   80.568021][ T1837]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   80.568027][ T1837]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   80.568031][ T1837]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   80.568033][ T1837]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   80.568034][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.568036][ T1837]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.568040][ T1837]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   80.568042][ T1837]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.568043][ T1837]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   80.568046][ T1837]  ? kasan_save_stack (mm/kasan/common.c:58)
[   80.568048][ T1837]  ? kasan_save_stack (mm/kasan/common.c:57)
[   80.568049][ T1837]  ? kasan_save_track (mm/kasan/common.c:78)
[   80.568050][ T1837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.568053][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.568055][ T1837]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   80.568058][ T1837]  ? ___sys_sendmsg (net/socket.c:2758)
[   80.568062][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.568064][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.568067][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.568069][ T1837]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.568070][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.568072][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.568073][ T1837]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   80.568076][ T1837]  ? __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)
[   80.568077][ T1837]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   80.568079][ T1837]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.568083][ T1837]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   80.568084][ T1837]  ? nla_get_range_signed (lib/nlattr.c:270)
[   80.568089][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.568091][ T1837]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   80.568096][ T1837]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.568102][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.568104][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.568108][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.568110][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.568112][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.568114][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.568121][ T1837]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.568123][ T1837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.568127][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.568128][ T1837]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.568133][ T1837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.568135][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.568139][ T1837]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.568142][ T1837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.568145][ T1837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.568151][ T1837]  ? 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))
[   80.568154][ T1837]  ? 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))
[   80.568158][ T1837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.568162][ T1837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.568165][ T1837]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.568169][ T1837]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.568174][ T1837]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.568177][ T1837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.568179][ T1837]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   80.568185][ T1837]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   80.568188][ T1837]  ____sys_sendmsg (net/socket.c:2713)
[   80.568190][ T1837]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.568192][ T1837]  ? sock_write_iter (net/socket.c:1269)
[   80.568194][ T1837]  ? move_addr_to_kernel (net/socket.c:258)
[   80.568203][ T1837]  ___sys_sendmsg (net/socket.c:2767)
[   80.568208][ T1837]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.568226][ T1837]  __sys_sendmsg (net/socket.c:2799)
[   80.568229][ T1837]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.568235][ T1837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.568238][ T1837]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.568242][ T1837]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.568245][ T1837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.568247][ T1837] RIP: 0033:0x7fb9ed8b754e
[   80.568251][ T1837] 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
[   80.568253][ T1837] RSP: 002b:00007ffccf69f610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.568256][ T1837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb9ed8b754e
[   80.568257][ T1837] RDX: 0000000000000000 RSI: 00007ffccf69f6c0 RDI: 0000000000000005
[   80.568258][ T1837] RBP: 00007ffccf69f620 R08: 0000000000000000 R09: 0000000000000000
[   80.568259][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9164f6
[   80.568260][ T1837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccf69fd90
| [   95.193662][ T2246] softirqs last disabled at (17806): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   95.193665][ T2246] Preemption disabled at:
| [   95.193665][ T2246] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.193674][ T2246] Tainted: [W]=WARN
[   95.193675][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.193676][ T2246] Call Trace:
[   95.193678][ T2246]  <TASK>
[   95.193680][ T2246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.193686][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.193687][ T2246]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.193692][ T2246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.193696][ T2246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   95.193701][ T2246]  __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))
[   95.193703][ T2246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.193709][ T2246]  ? 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)
[   95.193712][ T2246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.193716][ T2246]  put_chars (drivers/char/virtio_console.c:1176)
[   95.193718][ T2246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.193724][ T2246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.193732][ T2246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.193735][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.193739][ T2246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.193743][ T2246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.193745][ T2246]  ? 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))
[   95.193748][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.193751][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.193755][ T2246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.193759][ T2246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.193761][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.193766][ T2246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.193769][ T2246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.193771][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.193773][ T2246]  ? 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)
[   95.193776][ T2246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.193778][ T2246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.193781][ T2246]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.193784][ T2246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.193786][ T2246]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   95.193792][ T2246]  _printk (kernel/printk/printk.c:2504)
[   95.193795][ T2246]  ? snapshot_read.cold (user.c:?)
[   95.193797][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.193800][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.193802][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.193805][ T2246]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   95.193808][ T2246]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   95.193811][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   95.193813][ T2246]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   95.193816][ T2246]  ? netdev_notice (net/core/dev.c:13194)
[   95.193819][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.193822][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.193824][ T2246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   95.193828][ T2246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   95.193830][ T2246]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   95.193832][ T2246]  ? register_netdev (net/core/dev.c:11618)
[   95.193833][ T2246]  ? 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))
[   95.193839][ T2246]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   95.193841][ T2246]  ? __kernel_text_address (kernel/extable.c:79)
[   95.193844][ T2246]  ? write_profile (profile.c:?)
[   95.193848][ T2246]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   95.193853][ T2246]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   95.193857][ T2246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   95.193859][ T2246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   95.193860][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   95.193862][ T2246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   95.193865][ T2246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   95.193867][ T2246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   95.193869][ T2246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   95.193871][ T2246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   95.193873][ T2246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   95.193875][ T2246]  ? kasan_save_track (mm/kasan/common.c:78)
[   95.193876][ T2246]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   95.193878][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.193880][ T2246]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   95.193883][ T2246]  ? ___sys_sendmsg (net/socket.c:2758)
[   95.193887][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.193889][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   95.193891][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.193893][ T2246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.193895][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.193896][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.193898][ T2246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   95.193900][ T2246]  ? __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)
[   95.193901][ T2246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   95.193903][ T2246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   95.193906][ T2246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   95.193907][ T2246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   95.193912][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.193914][ T2246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   95.193919][ T2246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   95.193924][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.193926][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.193931][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.193933][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.193934][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.193936][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.193940][ T2246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.193942][ T2246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.193945][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.193946][ T2246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   95.193951][ T2246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   95.193953][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.193956][ T2246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.193959][ T2246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.193962][ T2246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.193968][ T2246]  ? 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))
[   95.193970][ T2246]  ? 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))
[   95.193975][ T2246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.193978][ T2246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.193981][ T2246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   95.193985][ T2246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.193989][ T2246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.193993][ T2246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   95.193994][ T2246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   95.194000][ T2246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.194002][ T2246]  ____sys_sendmsg (net/socket.c:2713)
[   95.194005][ T2246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   95.194007][ T2246]  ? sock_write_iter (net/socket.c:1269)
[   95.194008][ T2246]  ? move_addr_to_kernel (net/socket.c:258)
[   95.194016][ T2246]  ___sys_sendmsg (net/socket.c:2767)
[   95.194018][ T2246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   95.194034][ T2246]  __sys_sendmsg (net/socket.c:2799)
[   95.194036][ T2246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   95.194049][ T2246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.194051][ T2246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.194054][ T2246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.194057][ T2246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.194059][ T2246] RIP: 0033:0x7f0fbe6e054e
[   95.194063][ T2246] 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
[   95.194065][ T2246] RSP: 002b:00007ffed2617bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.194067][ T2246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0fbe6e054e
[   95.194069][ T2246] RDX: 0000000000000000 RSI: 00007ffed2617c70 RDI: 0000000000000005
[   95.194070][ T2246] RBP: 00007ffed2617bd0 R08: 0000000000000000 R09: 0000000000000000
[   95.194070][ T2246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916505
[   95.194071][ T2246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed2618340
| [  219.955701][ T3726] softirqs last disabled at (16580): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  219.955704][ T3726] Preemption disabled at:
| [  219.955704][ T3726] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.955713][ T3726] Tainted: [W]=WARN
[  219.955714][ T3726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.955715][ T3726] Call Trace:
[  219.955717][ T3726]  <TASK>
[  219.955718][ T3726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.955724][ T3726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.955726][ T3726]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.955730][ T3726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.955735][ T3726]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  219.955739][ T3726]  __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))
[  219.955741][ T3726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.955748][ T3726]  ? 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)
[  219.955751][ T3726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.955754][ T3726]  put_chars (drivers/char/virtio_console.c:1176)
[  219.955757][ T3726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.955763][ T3726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.955771][ T3726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.955774][ T3726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.955778][ T3726]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.955782][ T3726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.955784][ T3726]  ? 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))
[  219.955787][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.955790][ T3726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.955793][ T3726]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.955798][ T3726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.955799][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.955805][ T3726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.955807][ T3726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.955809][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.955811][ T3726]  ? 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)
[  219.955814][ T3726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.955816][ T3726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.955819][ T3726]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.955822][ T3726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.955824][ T3726]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  219.955829][ T3726]  _printk (kernel/printk/printk.c:2504)
[  219.955833][ T3726]  ? snapshot_read.cold (user.c:?)
[  219.955835][ T3726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.955837][ T3726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.955840][ T3726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.955842][ T3726]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  219.955846][ T3726]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  219.955849][ T3726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  219.955851][ T3726]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  219.955854][ T3726]  ? netdev_notice (net/core/dev.c:13194)
[  219.955856][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.955859][ T3726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.955862][ T3726]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  219.955865][ T3726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  219.955867][ T3726]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  219.955870][ T3726]  ? register_netdev (net/core/dev.c:11618)
[  219.955871][ T3726]  ? 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))
[  219.955876][ T3726]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  219.955879][ T3726]  ? __kernel_text_address (kernel/extable.c:79)
[  219.955881][ T3726]  ? write_profile (profile.c:?)
[  219.955885][ T3726]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  219.955891][ T3726]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  219.955894][ T3726]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  219.955896][ T3726]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  219.955898][ T3726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  219.955899][ T3726]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  219.955903][ T3726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  219.955904][ T3726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  219.955906][ T3726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  219.955909][ T3726]  ? kasan_save_stack (mm/kasan/common.c:58)
[  219.955910][ T3726]  ? kasan_save_stack (mm/kasan/common.c:57)
[  219.955912][ T3726]  ? kasan_save_track (mm/kasan/common.c:78)
[  219.955913][ T3726]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  219.955915][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.955917][ T3726]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  219.955920][ T3726]  ? ___sys_sendmsg (net/socket.c:2758)
[  219.955924][ T3726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.955926][ T3726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.955929][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.955930][ T3726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.955932][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.955933][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.955935][ T3726]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  219.955937][ T3726]  ? __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)
[  219.955938][ T3726]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  219.955940][ T3726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  219.955944][ T3726]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  219.955945][ T3726]  ? nla_get_range_signed (lib/nlattr.c:270)
[  219.955949][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.955952][ T3726]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  219.955957][ T3726]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.955962][ T3726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.955964][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.955968][ T3726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.955970][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.955972][ T3726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.955973][ T3726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.955977][ T3726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.955979][ T3726]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.955982][ T3726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.955983][ T3726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  219.955988][ T3726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  219.955990][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.955993][ T3726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.955996][ T3726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.955999][ T3726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.956005][ T3726]  ? 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))
[  219.956007][ T3726]  ? 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))
[  219.956011][ T3726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.956015][ T3726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.956018][ T3726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  219.956022][ T3726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.956026][ T3726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.956029][ T3726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  219.956031][ T3726]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  219.956036][ T3726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.956039][ T3726]  ____sys_sendmsg (net/socket.c:2713)
[  219.956041][ T3726]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.956043][ T3726]  ? sock_write_iter (net/socket.c:1269)
[  219.956045][ T3726]  ? move_addr_to_kernel (net/socket.c:258)
[  219.956052][ T3726]  ___sys_sendmsg (net/socket.c:2767)
[  219.956055][ T3726]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.956070][ T3726]  __sys_sendmsg (net/socket.c:2799)
[  219.956073][ T3726]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.956079][ T3726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.956082][ T3726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.956085][ T3726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.956088][ T3726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.956090][ T3726] RIP: 0033:0x7fd9dfd4654e
[  219.956093][ T3726] 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
[  219.956095][ T3726] RSP: 002b:00007ffe08af7a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.956098][ T3726] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd9dfd4654e
[  219.956099][ T3726] RDX: 0000000000000000 RSI: 00007ffe08af7ac0 RDI: 0000000000000005
[  219.956100][ T3726] RBP: 00007ffe08af7a20 R08: 0000000000000000 R09: 0000000000000000
[  219.956101][ T3726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916582
[  219.956101][ T3726] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe08af8190
| [  226.976654][ T3943] softirqs last disabled at (17536): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  226.976656][ T3943] Preemption disabled at:
| [  226.976657][ T3943] vprintk_emit (kernel/printk/printk.c:2471)
| [  226.976665][ T3943] Tainted: [W]=WARN
[  226.976666][ T3943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.976667][ T3943] Call Trace:
[  226.976668][ T3943]  <TASK>
[  226.976670][ T3943]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.976676][ T3943]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  226.976677][ T3943]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.976682][ T3943]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.976686][ T3943]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  226.976691][ T3943]  __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))
[  226.976692][ T3943]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.976699][ T3943]  ? 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)
[  226.976702][ T3943]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.976706][ T3943]  put_chars (drivers/char/virtio_console.c:1176)
[  226.976708][ T3943]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.976714][ T3943]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.976722][ T3943]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.976725][ T3943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.976730][ T3943]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.976734][ T3943]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.976736][ T3943]  ? 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))
[  226.976739][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.976741][ T3943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.976745][ T3943]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.976749][ T3943]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.976751][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.976756][ T3943]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.976759][ T3943]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.976761][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.976762][ T3943]  ? 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)
[  226.976766][ T3943]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.976768][ T3943]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.976770][ T3943]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.976773][ T3943]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.976776][ T3943]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  226.976781][ T3943]  _printk (kernel/printk/printk.c:2504)
[  226.976785][ T3943]  ? snapshot_read.cold (user.c:?)
[  226.976787][ T3943]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.976789][ T3943]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.976791][ T3943]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.976794][ T3943]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  226.976797][ T3943]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  226.976800][ T3943]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  226.976802][ T3943]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  226.976805][ T3943]  ? netdev_notice (net/core/dev.c:13194)
[  226.976807][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.976811][ T3943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.976813][ T3943]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  226.976816][ T3943]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  226.976818][ T3943]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  226.976821][ T3943]  ? register_netdev (net/core/dev.c:11618)
[  226.976822][ T3943]  ? 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))
[  226.976827][ T3943]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  226.976830][ T3943]  ? __kernel_text_address (kernel/extable.c:79)
[  226.976832][ T3943]  ? write_profile (profile.c:?)
[  226.976836][ T3943]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  226.976842][ T3943]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  226.976845][ T3943]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.976847][ T3943]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.976848][ T3943]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  226.976850][ T3943]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  226.976854][ T3943]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  226.976855][ T3943]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  226.976857][ T3943]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  226.976860][ T3943]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.976861][ T3943]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.976862][ T3943]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.976864][ T3943]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.976866][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.976868][ T3943]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  226.976871][ T3943]  ? ___sys_sendmsg (net/socket.c:2758)
[  226.976875][ T3943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.976877][ T3943]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.976879][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.976881][ T3943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.976882][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.976883][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.976885][ T3943]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.976887][ T3943]  ? __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)
[  226.976888][ T3943]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.976890][ T3943]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.976891][ T3943]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  226.976894][ T3943]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  226.976896][ T3943]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  226.976899][ T3943]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.976900][ T3943]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  226.976904][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.976906][ T3943]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.976911][ T3943]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.976916][ T3943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.976918][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.976922][ T3943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.976924][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.976926][ T3943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.976928][ T3943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.976931][ T3943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.976933][ T3943]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.976936][ T3943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.976938][ T3943]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  226.976942][ T3943]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  226.976944][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.976947][ T3943]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.976950][ T3943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.976953][ T3943]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.976959][ T3943]  ? 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))
[  226.976961][ T3943]  ? 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))
[  226.976966][ T3943]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.976969][ T3943]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.976972][ T3943]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  226.976976][ T3943]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.976980][ T3943]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.976984][ T3943]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  226.976985][ T3943]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  226.976990][ T3943]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  226.976993][ T3943]  ____sys_sendmsg (net/socket.c:2713)
[  226.976995][ T3943]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.976998][ T3943]  ? sock_write_iter (net/socket.c:1269)
[  226.976999][ T3943]  ? move_addr_to_kernel (net/socket.c:258)
[  226.977006][ T3943]  ___sys_sendmsg (net/socket.c:2767)
[  226.977009][ T3943]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.977025][ T3943]  __sys_sendmsg (net/socket.c:2799)
[  226.977027][ T3943]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.977033][ T3943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.977036][ T3943]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.977040][ T3943]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.977042][ T3943]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.977044][ T3943] RIP: 0033:0x7fa84e89e54e
[  226.977048][ T3943] 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
[  226.977049][ T3943] RSP: 002b:00007ffc5deb2c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.977052][ T3943] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa84e89e54e
[  226.977053][ T3943] RDX: 0000000000000000 RSI: 00007ffc5deb2ce0 RDI: 0000000000000005
[  226.977054][ T3943] RBP: 00007ffc5deb2c40 R08: 0000000000000000 R09: 0000000000000000
[  226.977055][ T3943] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916589
[  226.977056][ T3943] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5deb33b0
| [  303.166641][ T4930] softirqs last disabled at (22690): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  303.166644][ T4930] Preemption disabled at:
| [  303.166644][ T4930] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.166652][ T4930] Tainted: [W]=WARN
[  303.166653][ T4930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.166655][ T4930] Call Trace:
[  303.166656][ T4930]  <TASK>
[  303.166657][ T4930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.166663][ T4930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.166665][ T4930]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.166669][ T4930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.166673][ T4930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  303.166678][ T4930]  __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))
[  303.166679][ T4930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.166686][ T4930]  ? 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)
[  303.166689][ T4930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.166692][ T4930]  put_chars (drivers/char/virtio_console.c:1176)
[  303.166695][ T4930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.166701][ T4930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.166708][ T4930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.166711][ T4930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.166715][ T4930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.166719][ T4930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.166721][ T4930]  ? 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))
[  303.166724][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.166727][ T4930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.166731][ T4930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.166735][ T4930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.166737][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.166742][ T4930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.166745][ T4930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.166747][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.166748][ T4930]  ? 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)
[  303.166752][ T4930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.166754][ T4930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.166756][ T4930]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.166759][ T4930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.166762][ T4930]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  303.166767][ T4930]  _printk (kernel/printk/printk.c:2504)
[  303.166770][ T4930]  ? snapshot_read.cold (user.c:?)
[  303.166772][ T4930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.166775][ T4930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.166777][ T4930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.166779][ T4930]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.166783][ T4930]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.166786][ T4930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.166788][ T4930]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.166791][ T4930]  ? netdev_notice (net/core/dev.c:13194)
[  303.166793][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.166796][ T4930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.166799][ T4930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  303.166802][ T4930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.166804][ T4930]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  303.166806][ T4930]  ? register_netdev (net/core/dev.c:11618)
[  303.166808][ T4930]  ? 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))
[  303.166813][ T4930]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  303.166815][ T4930]  ? __kernel_text_address (kernel/extable.c:79)
[  303.166818][ T4930]  ? write_profile (profile.c:?)
[  303.166822][ T4930]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  303.166827][ T4930]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  303.166831][ T4930]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  303.166833][ T4930]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  303.166834][ T4930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  303.166836][ T4930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  303.166839][ T4930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.166841][ T4930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.166843][ T4930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.166845][ T4930]  ? kasan_save_stack (mm/kasan/common.c:58)
[  303.166847][ T4930]  ? kasan_save_stack (mm/kasan/common.c:57)
[  303.166848][ T4930]  ? kasan_save_track (mm/kasan/common.c:78)
[  303.166849][ T4930]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  303.166851][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.166853][ T4930]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  303.166856][ T4930]  ? ___sys_sendmsg (net/socket.c:2758)
[  303.166860][ T4930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.166862][ T4930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  303.166864][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.166866][ T4930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.166868][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.166869][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.166870][ T4930]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  303.166872][ T4930]  ? __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)
[  303.166874][ T4930]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  303.166876][ T4930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  303.166879][ T4930]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  303.166880][ T4930]  ? nla_get_range_signed (lib/nlattr.c:270)
[  303.166885][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.166887][ T4930]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  303.166892][ T4930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  303.166897][ T4930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.166899][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.166903][ T4930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.166905][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.166907][ T4930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.166909][ T4930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.166912][ T4930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  303.166914][ T4930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  303.166917][ T4930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  303.166919][ T4930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.166923][ T4930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  303.166925][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.166928][ T4930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  303.166931][ T4930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  303.166934][ T4930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  303.166940][ T4930]  ? 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))
[  303.166943][ T4930]  ? 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))
[  303.166947][ T4930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  303.166951][ T4930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  303.166953][ T4930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.166957][ T4930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  303.166962][ T4930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  303.166965][ T4930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.166967][ T4930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  303.166972][ T4930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  303.166975][ T4930]  ____sys_sendmsg (net/socket.c:2713)
[  303.166977][ T4930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  303.166979][ T4930]  ? sock_write_iter (net/socket.c:1269)
[  303.166981][ T4930]  ? move_addr_to_kernel (net/socket.c:258)
[  303.166988][ T4930]  ___sys_sendmsg (net/socket.c:2767)
[  303.166991][ T4930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  303.167006][ T4930]  __sys_sendmsg (net/socket.c:2799)
[  303.167009][ T4930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  303.167015][ T4930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.167018][ T4930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  303.167021][ T4930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  303.167023][ T4930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  303.167025][ T4930] RIP: 0033:0x7f8f7813a54e
[  303.167029][ T4930] 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
[  303.167031][ T4930] RSP: 002b:00007fff4fe1e9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  303.167033][ T4930] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8f7813a54e
[  303.167034][ T4930] RDX: 0000000000000000 RSI: 00007fff4fe1eaa0 RDI: 0000000000000005
[  303.167035][ T4930] RBP: 00007fff4fe1ea00 R08: 0000000000000000 R09: 0000000000000000
[  303.167036][ T4930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9165d5
[  303.167037][ T4930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4fe1f170
| [  414.334546][ T6556] softirqs last disabled at (17486): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  414.334548][ T6556] Preemption disabled at:
| [  414.334549][ T6556] vprintk_emit (kernel/printk/printk.c:2471)
| [  414.334557][ T6556] Tainted: [W]=WARN
[  414.334559][ T6556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  414.334560][ T6556] Call Trace:
[  414.334562][ T6556]  <TASK>
[  414.334563][ T6556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  414.334569][ T6556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  414.334571][ T6556]  __might_resched.cold (kernel/sched/core.c:9234)
[  414.334575][ T6556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  414.334584][ T6556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  414.334588][ T6556]  __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))
[  414.334590][ T6556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  414.334597][ T6556]  ? 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)
[  414.334600][ T6556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  414.334604][ T6556]  put_chars (drivers/char/virtio_console.c:1176)
[  414.334606][ T6556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  414.334612][ T6556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  414.334619][ T6556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  414.334622][ T6556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  414.334627][ T6556]  console_emit_next_record (kernel/printk/printk.c:3183)
[  414.334631][ T6556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  414.334633][ T6556]  ? 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))
[  414.334636][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334638][ T6556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  414.334642][ T6556]  console_flush_one_record (kernel/printk/printk.c:3268)
[  414.334647][ T6556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  414.334648][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  414.334654][ T6556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  414.334657][ T6556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  414.334658][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334660][ T6556]  ? 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)
[  414.334664][ T6556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  414.334665][ T6556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  414.334668][ T6556]  vprintk_emit (kernel/printk/printk.c:2479)
[  414.334671][ T6556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  414.334674][ T6556]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  414.334679][ T6556]  _printk (kernel/printk/printk.c:2504)
[  414.334682][ T6556]  ? snapshot_read.cold (user.c:?)
[  414.334684][ T6556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  414.334687][ T6556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  414.334689][ T6556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  414.334692][ T6556]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  414.334695][ T6556]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  414.334698][ T6556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  414.334700][ T6556]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  414.334703][ T6556]  ? netdev_notice (net/core/dev.c:13194)
[  414.334706][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  414.334709][ T6556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  414.334711][ T6556]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  414.334715][ T6556]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  414.334717][ T6556]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  414.334719][ T6556]  ? register_netdev (net/core/dev.c:11618)
[  414.334720][ T6556]  ? 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))
[  414.334726][ T6556]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  414.334728][ T6556]  ? __kernel_text_address (kernel/extable.c:79)
[  414.334731][ T6556]  ? write_profile (profile.c:?)
[  414.334734][ T6556]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  414.334740][ T6556]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  414.334743][ T6556]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  414.334745][ T6556]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  414.334747][ T6556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  414.334748][ T6556]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  414.334752][ T6556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  414.334754][ T6556]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  414.334755][ T6556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  414.334758][ T6556]  ? kasan_save_stack (mm/kasan/common.c:58)
[  414.334760][ T6556]  ? kasan_save_stack (mm/kasan/common.c:57)
[  414.334761][ T6556]  ? kasan_save_track (mm/kasan/common.c:78)
[  414.334762][ T6556]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  414.334764][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  414.334766][ T6556]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  414.334769][ T6556]  ? ___sys_sendmsg (net/socket.c:2758)
[  414.334773][ T6556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  414.334775][ T6556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  414.334778][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334779][ T6556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  414.334781][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334782][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334784][ T6556]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  414.334786][ T6556]  ? __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)
[  414.334788][ T6556]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  414.334789][ T6556]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  414.334793][ T6556]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  414.334794][ T6556]  ? nla_get_range_signed (lib/nlattr.c:270)
[  414.334799][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334801][ T6556]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  414.334806][ T6556]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  414.334811][ T6556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  414.334813][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  414.334817][ T6556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  414.334819][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  414.334821][ T6556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  414.334823][ T6556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  414.334827][ T6556]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  414.334829][ T6556]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  414.334832][ T6556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  414.334833][ T6556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  414.334838][ T6556]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  414.334840][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  414.334843][ T6556]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  414.334846][ T6556]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  414.334849][ T6556]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  414.334855][ T6556]  ? 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))
[  414.334857][ T6556]  ? 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))
[  414.334862][ T6556]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  414.334866][ T6556]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  414.334868][ T6556]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  414.334872][ T6556]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  414.334876][ T6556]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  414.334880][ T6556]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  414.334882][ T6556]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  414.334887][ T6556]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  414.334890][ T6556]  ____sys_sendmsg (net/socket.c:2713)
[  414.334892][ T6556]  ? copy_msghdr_from_user (net/socket.c:2650)
[  414.334894][ T6556]  ? sock_write_iter (net/socket.c:1269)
[  414.334896][ T6556]  ? move_addr_to_kernel (net/socket.c:258)
[  414.334903][ T6556]  ___sys_sendmsg (net/socket.c:2767)
[  414.334906][ T6556]  ? copy_msghdr_from_user (net/socket.c:2619)
[  414.334921][ T6556]  __sys_sendmsg (net/socket.c:2799)
[  414.334924][ T6556]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  414.334930][ T6556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  414.334933][ T6556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  414.334936][ T6556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  414.334939][ T6556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  414.334941][ T6556] RIP: 0033:0x7f0aab4d654e
[  414.334944][ T6556] 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
[  414.334946][ T6556] RSP: 002b:00007ffdfbe82b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  414.334949][ T6556] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0aab4d654e
[  414.334950][ T6556] RDX: 0000000000000000 RSI: 00007ffdfbe82c10 RDI: 0000000000000005
[  414.334951][ T6556] RBP: 00007ffdfbe82b70 R08: 0000000000000000 R09: 0000000000000000
[  414.334952][ T6556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916644
[  414.334953][ T6556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfbe832e0
| [  437.232683][ T7369] softirqs last disabled at (24830): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  437.232685][ T7369] Preemption disabled at:
| [  437.232686][ T7369] vprintk_emit (kernel/printk/printk.c:2471)
| [  437.232694][ T7369] Tainted: [W]=WARN
[  437.232695][ T7369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  437.232696][ T7369] Call Trace:
[  437.232698][ T7369]  <TASK>
[  437.232699][ T7369]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  437.232705][ T7369]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  437.232707][ T7369]  __might_resched.cold (kernel/sched/core.c:9234)
[  437.232711][ T7369]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  437.232715][ T7369]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  437.232719][ T7369]  __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))
[  437.232721][ T7369]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.232728][ T7369]  ? 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)
[  437.232730][ T7369]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.232734][ T7369]  put_chars (drivers/char/virtio_console.c:1176)
[  437.232737][ T7369]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  437.232743][ T7369]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  437.232750][ T7369]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  437.232754][ T7369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.232758][ T7369]  console_emit_next_record (kernel/printk/printk.c:3183)
[  437.232762][ T7369]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  437.232764][ T7369]  ? 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))
[  437.232767][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.232770][ T7369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.232774][ T7369]  console_flush_one_record (kernel/printk/printk.c:3268)
[  437.232778][ T7369]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  437.232780][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.232786][ T7369]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  437.232789][ T7369]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  437.232790][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.232792][ T7369]  ? 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)
[  437.232796][ T7369]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  437.232797][ T7369]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  437.232800][ T7369]  vprintk_emit (kernel/printk/printk.c:2479)
[  437.232803][ T7369]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  437.232806][ T7369]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  437.232811][ T7369]  _printk (kernel/printk/printk.c:2504)
[  437.232814][ T7369]  ? snapshot_read.cold (user.c:?)
[  437.232816][ T7369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  437.232819][ T7369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  437.232821][ T7369]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  437.232823][ T7369]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  437.232827][ T7369]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  437.232830][ T7369]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  437.232832][ T7369]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  437.232835][ T7369]  ? netdev_notice (net/core/dev.c:13194)
[  437.232837][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  437.232840][ T7369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  437.232843][ T7369]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  437.232846][ T7369]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  437.232848][ T7369]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  437.232851][ T7369]  ? register_netdev (net/core/dev.c:11618)
[  437.232852][ T7369]  ? 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))
[  437.232857][ T7369]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  437.232860][ T7369]  ? __kernel_text_address (kernel/extable.c:79)
[  437.232862][ T7369]  ? write_profile (profile.c:?)
[  437.232866][ T7369]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  437.232872][ T7369]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  437.232875][ T7369]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  437.232877][ T7369]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  437.232879][ T7369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  437.232881][ T7369]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  437.232884][ T7369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  437.232886][ T7369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  437.232887][ T7369]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  437.232890][ T7369]  ? kasan_save_stack (mm/kasan/common.c:58)
[  437.232892][ T7369]  ? kasan_save_stack (mm/kasan/common.c:57)
[  437.232893][ T7369]  ? kasan_save_track (mm/kasan/common.c:78)
[  437.232894][ T7369]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  437.232897][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.232898][ T7369]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  437.232901][ T7369]  ? ___sys_sendmsg (net/socket.c:2758)
[  437.232905][ T7369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  437.232907][ T7369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  437.232910][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.232912][ T7369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.232913][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.232914][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.232916][ T7369]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  437.232918][ T7369]  ? __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)
[  437.232919][ T7369]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  437.232921][ T7369]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  437.232924][ T7369]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  437.232925][ T7369]  ? nla_get_range_signed (lib/nlattr.c:270)
[  437.232930][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.232932][ T7369]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  437.232938][ T7369]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.232943][ T7369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.232945][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.232949][ T7369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  437.232951][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  437.232953][ T7369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.232955][ T7369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  437.232958][ T7369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.232960][ T7369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  437.232964][ T7369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.232965][ T7369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  437.232969][ T7369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  437.232971][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  437.232975][ T7369]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  437.232978][ T7369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.232980][ T7369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  437.232987][ T7369]  ? 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))
[  437.232989][ T7369]  ? 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))
[  437.232993][ T7369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  437.232997][ T7369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  437.233000][ T7369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  437.233004][ T7369]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  437.233008][ T7369]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  437.233012][ T7369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  437.233014][ T7369]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  437.233019][ T7369]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  437.233022][ T7369]  ____sys_sendmsg (net/socket.c:2713)
[  437.233024][ T7369]  ? copy_msghdr_from_user (net/socket.c:2650)
[  437.233026][ T7369]  ? sock_write_iter (net/socket.c:1269)
[  437.233028][ T7369]  ? move_addr_to_kernel (net/socket.c:258)
[  437.233035][ T7369]  ___sys_sendmsg (net/socket.c:2767)
[  437.233038][ T7369]  ? copy_msghdr_from_user (net/socket.c:2619)
[  437.233054][ T7369]  __sys_sendmsg (net/socket.c:2799)
[  437.233057][ T7369]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  437.233063][ T7369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.233066][ T7369]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  437.233069][ T7369]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  437.233072][ T7369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  437.233074][ T7369] RIP: 0033:0x7fd61d5dd54e
[  437.233078][ T7369] 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
[  437.233079][ T7369] RSP: 002b:00007ffde55327b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  437.233082][ T7369] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd61d5dd54e
[  437.233083][ T7369] RDX: 0000000000000000 RSI: 00007ffde5532860 RDI: 0000000000000005
[  437.233084][ T7369] RBP: 00007ffde55327c0 R08: 0000000000000000 R09: 0000000000000000
[  437.233085][ T7369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91665b
[  437.233086][ T7369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde5532f30
| [  445.809840][ T7616] softirqs last disabled at (31124): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  445.809843][ T7616] Preemption disabled at:
| [  445.809844][ T7616] vprintk_emit (kernel/printk/printk.c:2471)
| [  445.809852][ T7616] Tainted: [W]=WARN
[  445.809853][ T7616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  445.809854][ T7616] Call Trace:
[  445.809856][ T7616]  <TASK>
[  445.809857][ T7616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  445.809863][ T7616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  445.809865][ T7616]  __might_resched.cold (kernel/sched/core.c:9234)
[  445.809869][ T7616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  445.809874][ T7616]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  445.809878][ T7616]  __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))
[  445.809880][ T7616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.809886][ T7616]  ? 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)
[  445.809889][ T7616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.809893][ T7616]  put_chars (drivers/char/virtio_console.c:1176)
[  445.809896][ T7616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  445.809902][ T7616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  445.809910][ T7616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  445.809913][ T7616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.809917][ T7616]  console_emit_next_record (kernel/printk/printk.c:3183)
[  445.809922][ T7616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  445.809923][ T7616]  ? 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))
[  445.809927][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.809930][ T7616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.809934][ T7616]  console_flush_one_record (kernel/printk/printk.c:3268)
[  445.809938][ T7616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  445.809940][ T7616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.809945][ T7616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  445.809948][ T7616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  445.809950][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.809952][ T7616]  ? 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)
[  445.809956][ T7616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  445.809957][ T7616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  445.809960][ T7616]  vprintk_emit (kernel/printk/printk.c:2479)
[  445.809963][ T7616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  445.809966][ T7616]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  445.809971][ T7616]  _printk (kernel/printk/printk.c:2504)
[  445.809975][ T7616]  ? snapshot_read.cold (user.c:?)
[  445.809976][ T7616]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.809979][ T7616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.809982][ T7616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.809984][ T7616]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  445.809988][ T7616]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  445.809990][ T7616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.809993][ T7616]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  445.809996][ T7616]  ? netdev_notice (net/core/dev.c:13194)
[  445.809998][ T7616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.810001][ T7616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.810004][ T7616]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  445.810008][ T7616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.810010][ T7616]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  445.810012][ T7616]  ? register_netdev (net/core/dev.c:11618)
[  445.810013][ T7616]  ? 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))
[  445.810019][ T7616]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  445.810021][ T7616]  ? __kernel_text_address (kernel/extable.c:79)
[  445.810024][ T7616]  ? write_profile (profile.c:?)
[  445.810028][ T7616]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  445.810034][ T7616]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  445.810037][ T7616]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  445.810039][ T7616]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  445.810041][ T7616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  445.810043][ T7616]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  445.810046][ T7616]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.810048][ T7616]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.810050][ T7616]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.810053][ T7616]  ? kasan_save_stack (mm/kasan/common.c:58)
[  445.810054][ T7616]  ? kasan_save_stack (mm/kasan/common.c:57)
[  445.810056][ T7616]  ? kasan_save_track (mm/kasan/common.c:78)
[  445.810057][ T7616]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  445.810059][ T7616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.810061][ T7616]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  445.810065][ T7616]  ? ___sys_sendmsg (net/socket.c:2758)
[  445.810069][ T7616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.810071][ T7616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  445.810073][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.810075][ T7616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.810077][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.810078][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.810079][ T7616]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  445.810082][ T7616]  ? __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)
[  445.810083][ T7616]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  445.810085][ T7616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  445.810088][ T7616]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  445.810090][ T7616]  ? nla_get_range_signed (lib/nlattr.c:270)
[  445.810094][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.810097][ T7616]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  445.810102][ T7616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  445.810107][ T7616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.810109][ T7616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.810114][ T7616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.810118][ T7616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.810120][ T7616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.810122][ T7616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.810126][ T7616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  445.810128][ T7616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  445.810131][ T7616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  445.810133][ T7616]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.810137][ T7616]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.810139][ T7616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.810143][ T7616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  445.810146][ T7616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  445.810149][ T7616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  445.810155][ T7616]  ? 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))
[  445.810158][ T7616]  ? 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))
[  445.810162][ T7616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  445.810166][ T7616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  445.810169][ T7616]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.810173][ T7616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  445.810177][ T7616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  445.810181][ T7616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.810183][ T7616]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  445.810188][ T7616]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  445.810191][ T7616]  ____sys_sendmsg (net/socket.c:2713)
[  445.810193][ T7616]  ? copy_msghdr_from_user (net/socket.c:2650)
[  445.810196][ T7616]  ? sock_write_iter (net/socket.c:1269)
[  445.810197][ T7616]  ? move_addr_to_kernel (net/socket.c:258)
[  445.810205][ T7616]  ___sys_sendmsg (net/socket.c:2767)
[  445.810208][ T7616]  ? copy_msghdr_from_user (net/socket.c:2619)
[  445.810224][ T7616]  __sys_sendmsg (net/socket.c:2799)
[  445.810227][ T7616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  445.810233][ T7616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.810236][ T7616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  445.810239][ T7616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  445.810242][ T7616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  445.810244][ T7616] RIP: 0033:0x7f964bdfb54e
[  445.810248][ T7616] 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
[  445.810250][ T7616] RSP: 002b:00007ffe1dd77230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  445.810252][ T7616] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f964bdfb54e
[  445.810254][ T7616] RDX: 0000000000000000 RSI: 00007ffe1dd772e0 RDI: 0000000000000005
[  445.810255][ T7616] RBP: 00007ffe1dd77240 R08: 0000000000000000 R09: 0000000000000000
[  445.810256][ T7616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916664
[  445.810256][ T7616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1dd779b0
| [  457.786913][ T7967] softirqs last disabled at (19246): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  457.786915][ T7967] Preemption disabled at:
| [  457.786916][ T7967] vprintk_emit (kernel/printk/printk.c:2471)
| [  457.786925][ T7967] Tainted: [W]=WARN
[  457.786925][ T7967] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  457.786927][ T7967] Call Trace:
[  457.786928][ T7967]  <TASK>
[  457.786930][ T7967]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  457.786936][ T7967]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  457.786937][ T7967]  __might_resched.cold (kernel/sched/core.c:9234)
[  457.786942][ T7967]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.786946][ T7967]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  457.786951][ T7967]  __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))
[  457.786953][ T7967]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.786959][ T7967]  ? 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)
[  457.786962][ T7967]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.786966][ T7967]  put_chars (drivers/char/virtio_console.c:1176)
[  457.786969][ T7967]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  457.786975][ T7967]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  457.786983][ T7967]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  457.786987][ T7967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.786991][ T7967]  console_emit_next_record (kernel/printk/printk.c:3183)
[  457.786996][ T7967]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  457.786998][ T7967]  ? 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))
[  457.787001][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787003][ T7967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.787008][ T7967]  console_flush_one_record (kernel/printk/printk.c:3268)
[  457.787012][ T7967]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  457.787014][ T7967]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.787020][ T7967]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  457.787022][ T7967]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  457.787024][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787026][ T7967]  ? 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)
[  457.787030][ T7967]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  457.787032][ T7967]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  457.787035][ T7967]  vprintk_emit (kernel/printk/printk.c:2479)
[  457.787038][ T7967]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  457.787041][ T7967]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  457.787046][ T7967]  _printk (kernel/printk/printk.c:2504)
[  457.787050][ T7967]  ? snapshot_read.cold (user.c:?)
[  457.787051][ T7967]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.787054][ T7967]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.787057][ T7967]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.787059][ T7967]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  457.787063][ T7967]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  457.787066][ T7967]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.787068][ T7967]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  457.787071][ T7967]  ? netdev_notice (net/core/dev.c:13194)
[  457.787074][ T7967]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.787077][ T7967]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.787080][ T7967]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  457.787083][ T7967]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.787085][ T7967]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  457.787088][ T7967]  ? register_netdev (net/core/dev.c:11618)
[  457.787089][ T7967]  ? 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))
[  457.787095][ T7967]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  457.787097][ T7967]  ? __kernel_text_address (kernel/extable.c:79)
[  457.787100][ T7967]  ? write_profile (profile.c:?)
[  457.787104][ T7967]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  457.787110][ T7967]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  457.787113][ T7967]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  457.787118][ T7967]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  457.787120][ T7967]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  457.787122][ T7967]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  457.787125][ T7967]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.787127][ T7967]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.787129][ T7967]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.787131][ T7967]  ? kasan_save_stack (mm/kasan/common.c:58)
[  457.787134][ T7967]  ? kasan_save_stack (mm/kasan/common.c:57)
[  457.787135][ T7967]  ? kasan_save_track (mm/kasan/common.c:78)
[  457.787136][ T7967]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  457.787139][ T7967]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.787141][ T7967]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  457.787144][ T7967]  ? ___sys_sendmsg (net/socket.c:2758)
[  457.787148][ T7967]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.787150][ T7967]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  457.787153][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787155][ T7967]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.787156][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787157][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787159][ T7967]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  457.787161][ T7967]  ? __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)
[  457.787163][ T7967]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  457.787165][ T7967]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  457.787168][ T7967]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  457.787169][ T7967]  ? nla_get_range_signed (lib/nlattr.c:270)
[  457.787174][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787177][ T7967]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  457.787182][ T7967]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  457.787187][ T7967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.787189][ T7967]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.787194][ T7967]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.787196][ T7967]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.787198][ T7967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.787200][ T7967]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.787207][ T7967]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  457.787210][ T7967]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  457.787216][ T7967]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  457.787218][ T7967]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.787224][ T7967]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.787226][ T7967]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.787230][ T7967]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  457.787233][ T7967]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  457.787236][ T7967]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  457.787243][ T7967]  ? 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))
[  457.787245][ T7967]  ? 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))
[  457.787249][ T7967]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  457.787253][ T7967]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  457.787256][ T7967]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  457.787260][ T7967]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  457.787264][ T7967]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  457.787268][ T7967]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.787270][ T7967]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  457.787275][ T7967]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  457.787278][ T7967]  ____sys_sendmsg (net/socket.c:2713)
[  457.787280][ T7967]  ? copy_msghdr_from_user (net/socket.c:2650)
[  457.787283][ T7967]  ? sock_write_iter (net/socket.c:1269)
[  457.787284][ T7967]  ? move_addr_to_kernel (net/socket.c:258)
[  457.787292][ T7967]  ___sys_sendmsg (net/socket.c:2767)
[  457.787295][ T7967]  ? copy_msghdr_from_user (net/socket.c:2619)
[  457.787311][ T7967]  __sys_sendmsg (net/socket.c:2799)
[  457.787314][ T7967]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  457.787320][ T7967]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.787323][ T7967]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  457.787326][ T7967]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  457.787329][ T7967]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  457.787331][ T7967] RIP: 0033:0x7f4e9fdb654e
[  457.787335][ T7967] 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
[  457.787337][ T7967] RSP: 002b:00007ffd49707490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  457.787340][ T7967] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4e9fdb654e
[  457.787341][ T7967] RDX: 0000000000000000 RSI: 00007ffd49707540 RDI: 0000000000000005
[  457.787342][ T7967] RBP: 00007ffd497074a0 R08: 0000000000000000 R09: 0000000000000000
[  457.787343][ T7967] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916670
[  457.787344][ T7967] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd49707c10
| [  466.552352][ T8104] softirqs last disabled at (15416): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  466.552355][ T8104] Preemption disabled at:
| [  466.552356][ T8104] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.552366][ T8104] Tainted: [W]=WARN
[  466.552367][ T8104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.552369][ T8104] Call Trace:
[  466.552371][ T8104]  <TASK>
[  466.552373][ T8104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.552380][ T8104]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.552382][ T8104]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.552388][ T8104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.552393][ T8104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.552399][ T8104]  __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))
[  466.552402][ T8104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.552411][ T8104]  ? 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)
[  466.552414][ T8104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.552420][ T8104]  put_chars (drivers/char/virtio_console.c:1176)
[  466.552423][ T8104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.552434][ T8104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.552444][ T8104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.552449][ T8104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.552456][ T8104]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.552462][ T8104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.552464][ T8104]  ? 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))
[  466.552469][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552472][ T8104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.552479][ T8104]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.552485][ T8104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.552487][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.552496][ T8104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.552500][ T8104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.552502][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552505][ T8104]  ? 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)
[  466.552511][ T8104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.552513][ T8104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.552517][ T8104]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.552522][ T8104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.552526][ T8104]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  466.552534][ T8104]  _printk (kernel/printk/printk.c:2504)
[  466.552539][ T8104]  ? snapshot_read.cold (user.c:?)
[  466.552541][ T8104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.552545][ T8104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.552549][ T8104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.552552][ T8104]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.552556][ T8104]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.552560][ T8104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.552564][ T8104]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.552568][ T8104]  ? netdev_notice (net/core/dev.c:13194)
[  466.552572][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.552576][ T8104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.552580][ T8104]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  466.552585][ T8104]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.552588][ T8104]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  466.552592][ T8104]  ? register_netdev (net/core/dev.c:11618)
[  466.552594][ T8104]  ? 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))
[  466.552601][ T8104]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  466.552605][ T8104]  ? __kernel_text_address (kernel/extable.c:79)
[  466.552608][ T8104]  ? write_profile (profile.c:?)
[  466.552613][ T8104]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  466.552621][ T8104]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  466.552627][ T8104]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  466.552630][ T8104]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  466.552631][ T8104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  466.552634][ T8104]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  466.552638][ T8104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  466.552641][ T8104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.552644][ T8104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.552647][ T8104]  ? kasan_save_stack (mm/kasan/common.c:58)
[  466.552650][ T8104]  ? kasan_save_stack (mm/kasan/common.c:57)
[  466.552651][ T8104]  ? kasan_save_track (mm/kasan/common.c:78)
[  466.552653][ T8104]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  466.552657][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.552659][ T8104]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  466.552663][ T8104]  ? ___sys_sendmsg (net/socket.c:2758)
[  466.552673][ T8104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.552676][ T8104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.552680][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552682][ T8104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.552684][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552686][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552689][ T8104]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  466.552692][ T8104]  ? __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)
[  466.552694][ T8104]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  466.552697][ T8104]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  466.552703][ T8104]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  466.552704][ T8104]  ? nla_get_range_signed (lib/nlattr.c:270)
[  466.552712][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552715][ T8104]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  466.552724][ T8104]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.552733][ T8104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.552736][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.552743][ T8104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.552745][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.552748][ T8104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.552751][ T8104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.552757][ T8104]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.552760][ T8104]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  466.552765][ T8104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.552767][ T8104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.552774][ T8104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  466.552777][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.552782][ T8104]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.552786][ T8104]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.552790][ T8104]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.552801][ T8104]  ? 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))
[  466.552804][ T8104]  ? 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))
[  466.552811][ T8104]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.552817][ T8104]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.552820][ T8104]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.552827][ T8104]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.552833][ T8104]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.552839][ T8104]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.552842][ T8104]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  466.552849][ T8104]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.552853][ T8104]  ____sys_sendmsg (net/socket.c:2713)
[  466.552856][ T8104]  ? copy_msghdr_from_user (net/socket.c:2650)
[  466.552860][ T8104]  ? sock_write_iter (net/socket.c:1269)
[  466.552862][ T8104]  ? move_addr_to_kernel (net/socket.c:258)
[  466.552874][ T8104]  ___sys_sendmsg (net/socket.c:2767)
[  466.552878][ T8104]  ? copy_msghdr_from_user (net/socket.c:2619)
[  466.552905][ T8104]  __sys_sendmsg (net/socket.c:2799)
[  466.552909][ T8104]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  466.552919][ T8104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.552924][ T8104]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.552927][ T8104]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.552931][ T8104]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.552934][ T8104] RIP: 0033:0x7f7762f9e54e
[  466.552939][ T8104] 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
[  466.552941][ T8104] RSP: 002b:00007ffc4b522600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  466.552944][ T8104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7762f9e54e
[  466.552946][ T8104] RDX: 0000000000000000 RSI: 00007ffc4b5226b0 RDI: 0000000000000005
[  466.552947][ T8104] RBP: 00007ffc4b522610 R08: 0000000000000000 R09: 0000000000000000
[  466.552948][ T8104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916678
[  466.552950][ T8104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4b522d80
| [  475.233750][ T8241] softirqs last disabled at (19476): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  475.233753][ T8241] Preemption disabled at:
| [  475.233753][ T8241] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.233762][ T8241] Tainted: [W]=WARN
[  475.233763][ T8241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.233764][ T8241] Call Trace:
[  475.233766][ T8241]  <TASK>
[  475.233767][ T8241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.233773][ T8241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.233775][ T8241]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.233780][ T8241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.233784][ T8241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  475.233789][ T8241]  __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))
[  475.233790][ T8241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.233797][ T8241]  ? 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)
[  475.233800][ T8241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.233804][ T8241]  put_chars (drivers/char/virtio_console.c:1176)
[  475.233806][ T8241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.233813][ T8241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.233820][ T8241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.233824][ T8241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.233828][ T8241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.233833][ T8241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.233834][ T8241]  ? 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))
[  475.233838][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.233840][ T8241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.233844][ T8241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.233849][ T8241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.233851][ T8241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.233856][ T8241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.233859][ T8241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.233861][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.233863][ T8241]  ? 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)
[  475.233867][ T8241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.233868][ T8241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.233871][ T8241]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.233874][ T8241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.233877][ T8241]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  475.233882][ T8241]  _printk (kernel/printk/printk.c:2504)
[  475.233886][ T8241]  ? snapshot_read.cold (user.c:?)
[  475.233887][ T8241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.233890][ T8241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.233893][ T8241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.233895][ T8241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.233899][ T8241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.233902][ T8241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.233904][ T8241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.233907][ T8241]  ? netdev_notice (net/core/dev.c:13194)
[  475.233910][ T8241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.233913][ T8241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.233915][ T8241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  475.233919][ T8241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.233921][ T8241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  475.233923][ T8241]  ? register_netdev (net/core/dev.c:11618)
[  475.233925][ T8241]  ? 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))
[  475.233930][ T8241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  475.233932][ T8241]  ? __kernel_text_address (kernel/extable.c:79)
[  475.233935][ T8241]  ? write_profile (profile.c:?)
[  475.233939][ T8241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  475.233945][ T8241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  475.233948][ T8241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  475.233950][ T8241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  475.233952][ T8241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  475.233954][ T8241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  475.233957][ T8241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.233959][ T8241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.233961][ T8241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.233963][ T8241]  ? kasan_save_stack (mm/kasan/common.c:58)
[  475.233965][ T8241]  ? kasan_save_stack (mm/kasan/common.c:57)
[  475.233966][ T8241]  ? kasan_save_track (mm/kasan/common.c:78)
[  475.233967][ T8241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  475.233970][ T8241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.233972][ T8241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  475.233975][ T8241]  ? ___sys_sendmsg (net/socket.c:2758)
[  475.233979][ T8241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.233981][ T8241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.233984][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.233985][ T8241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.233987][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.233988][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.233990][ T8241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  475.233992][ T8241]  ? __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)
[  475.233993][ T8241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  475.233995][ T8241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  475.233998][ T8241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  475.233999][ T8241]  ? nla_get_range_signed (lib/nlattr.c:270)
[  475.234004][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.234007][ T8241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  475.234012][ T8241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.234017][ T8241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.234019][ T8241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.234024][ T8241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.234026][ T8241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.234027][ T8241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.234029][ T8241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.234033][ T8241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.234035][ T8241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  475.234038][ T8241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.234040][ T8241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.234044][ T8241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.234046][ T8241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.234050][ T8241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.234053][ T8241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.234056][ T8241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.234062][ T8241]  ? 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))
[  475.234065][ T8241]  ? 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))
[  475.234069][ T8241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.234073][ T8241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.234076][ T8241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  475.234080][ T8241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.234084][ T8241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.234088][ T8241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.234090][ T8241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  475.234095][ T8241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.234098][ T8241]  ____sys_sendmsg (net/socket.c:2713)
[  475.234100][ T8241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  475.234102][ T8241]  ? sock_write_iter (net/socket.c:1269)
[  475.234104][ T8241]  ? move_addr_to_kernel (net/socket.c:258)
[  475.234111][ T8241]  ___sys_sendmsg (net/socket.c:2767)
[  475.234114][ T8241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  475.234133][ T8241]  __sys_sendmsg (net/socket.c:2799)
[  475.234136][ T8241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  475.234143][ T8241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.234146][ T8241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.234149][ T8241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  475.234152][ T8241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.234154][ T8241] RIP: 0033:0x7f87fc97854e
[  475.234158][ T8241] 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
[  475.234159][ T8241] RSP: 002b:00007ffc4702d6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  475.234162][ T8241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f87fc97854e
[  475.234164][ T8241] RDX: 0000000000000000 RSI: 00007ffc4702d770 RDI: 0000000000000005
[  475.234164][ T8241] RBP: 00007ffc4702d6d0 R08: 0000000000000000 R09: 0000000000000000
[  475.234165][ T8241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916681
[  475.234166][ T8241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4702de40
| [  484.010650][ T8377] softirqs last disabled at (28384): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  484.010653][ T8377] Preemption disabled at:
| [  484.010653][ T8377] vprintk_emit (kernel/printk/printk.c:2471)
| [  484.010662][ T8377] Tainted: [W]=WARN
[  484.010663][ T8377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.010664][ T8377] Call Trace:
[  484.010666][ T8377]  <TASK>
[  484.010667][ T8377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.010673][ T8377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  484.010675][ T8377]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.010679][ T8377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.010684][ T8377]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  484.010688][ T8377]  __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))
[  484.010690][ T8377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.010701][ T8377]  ? 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)
[  484.010704][ T8377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.010708][ T8377]  put_chars (drivers/char/virtio_console.c:1176)
[  484.010710][ T8377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.010716][ T8377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.010724][ T8377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.010727][ T8377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.010732][ T8377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.010736][ T8377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.010738][ T8377]  ? 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))
[  484.010741][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.010744][ T8377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.010748][ T8377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.010752][ T8377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.010754][ T8377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.010759][ T8377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.010762][ T8377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.010764][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.010766][ T8377]  ? 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)
[  484.010770][ T8377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.010771][ T8377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.010774][ T8377]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.010777][ T8377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.010780][ T8377]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  484.010785][ T8377]  _printk (kernel/printk/printk.c:2504)
[  484.010789][ T8377]  ? snapshot_read.cold (user.c:?)
[  484.010790][ T8377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.010793][ T8377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.010795][ T8377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.010798][ T8377]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  484.010802][ T8377]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  484.010804][ T8377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.010807][ T8377]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  484.010809][ T8377]  ? netdev_notice (net/core/dev.c:13194)
[  484.010812][ T8377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.010815][ T8377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.010818][ T8377]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  484.010821][ T8377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.010823][ T8377]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  484.010825][ T8377]  ? register_netdev (net/core/dev.c:11618)
[  484.010827][ T8377]  ? 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))
[  484.010832][ T8377]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  484.010835][ T8377]  ? __kernel_text_address (kernel/extable.c:79)
[  484.010837][ T8377]  ? write_profile (profile.c:?)
[  484.010841][ T8377]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  484.010847][ T8377]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  484.010851][ T8377]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  484.010853][ T8377]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  484.010854][ T8377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  484.010856][ T8377]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  484.010859][ T8377]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  484.010861][ T8377]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.010863][ T8377]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.010866][ T8377]  ? kasan_save_stack (mm/kasan/common.c:58)
[  484.010867][ T8377]  ? kasan_save_stack (mm/kasan/common.c:57)
[  484.010869][ T8377]  ? kasan_save_track (mm/kasan/common.c:78)
[  484.010870][ T8377]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  484.010872][ T8377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.010874][ T8377]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  484.010877][ T8377]  ? ___sys_sendmsg (net/socket.c:2758)
[  484.010881][ T8377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.010883][ T8377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.010886][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.010888][ T8377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.010889][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.010890][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.010892][ T8377]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  484.010894][ T8377]  ? __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)
[  484.010895][ T8377]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  484.010897][ T8377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  484.010901][ T8377]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  484.010902][ T8377]  ? nla_get_range_signed (lib/nlattr.c:270)
[  484.010907][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.010909][ T8377]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  484.010914][ T8377]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  484.010920][ T8377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.010921][ T8377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.010926][ T8377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.010928][ T8377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.010930][ T8377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.010932][ T8377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.010935][ T8377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  484.010938][ T8377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  484.010941][ T8377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.010942][ T8377]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.010947][ T8377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  484.010948][ T8377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.010952][ T8377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  484.010955][ T8377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  484.010958][ T8377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  484.010965][ T8377]  ? 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))
[  484.010967][ T8377]  ? 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))
[  484.010971][ T8377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  484.010975][ T8377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  484.010978][ T8377]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.010982][ T8377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  484.010986][ T8377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  484.010990][ T8377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.010992][ T8377]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  484.010997][ T8377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  484.011000][ T8377]  ____sys_sendmsg (net/socket.c:2713)
[  484.011002][ T8377]  ? copy_msghdr_from_user (net/socket.c:2650)
[  484.011005][ T8377]  ? sock_write_iter (net/socket.c:1269)
[  484.011006][ T8377]  ? move_addr_to_kernel (net/socket.c:258)
[  484.011014][ T8377]  ___sys_sendmsg (net/socket.c:2767)
[  484.011016][ T8377]  ? copy_msghdr_from_user (net/socket.c:2619)
[  484.011032][ T8377]  __sys_sendmsg (net/socket.c:2799)
[  484.011035][ T8377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  484.011041][ T8377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.011044][ T8377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  484.011048][ T8377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  484.011050][ T8377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  484.011053][ T8377] RIP: 0033:0x7fd19636054e
[  484.011056][ T8377] 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
[  484.011058][ T8377] RSP: 002b:00007ffc97fbdf10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  484.011061][ T8377] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd19636054e
[  484.011062][ T8377] RDX: 0000000000000000 RSI: 00007ffc97fbdfc0 RDI: 0000000000000005
[  484.011063][ T8377] RBP: 00007ffc97fbdf20 R08: 0000000000000000 R09: 0000000000000000
[  484.011064][ T8377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91668a
[  484.011065][ T8377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97fbe690
| [  492.811683][ T8520] softirqs last disabled at (24566): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  492.811686][ T8520] Preemption disabled at:
| [  492.811686][ T8520] vprintk_emit (kernel/printk/printk.c:2471)
| [  492.811695][ T8520] Tainted: [W]=WARN
[  492.811696][ T8520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  492.811697][ T8520] Call Trace:
[  492.811699][ T8520]  <TASK>
[  492.811700][ T8520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  492.811706][ T8520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  492.811708][ T8520]  __might_resched.cold (kernel/sched/core.c:9234)
[  492.811716][ T8520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  492.811720][ T8520]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  492.811725][ T8520]  __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))
[  492.811726][ T8520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.811733][ T8520]  ? 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)
[  492.811736][ T8520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  492.811740][ T8520]  put_chars (drivers/char/virtio_console.c:1176)
[  492.811742][ T8520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  492.811748][ T8520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  492.811756][ T8520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  492.811759][ T8520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.811763][ T8520]  console_emit_next_record (kernel/printk/printk.c:3183)
[  492.811767][ T8520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  492.811769][ T8520]  ? 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))
[  492.811772][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.811775][ T8520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.811779][ T8520]  console_flush_one_record (kernel/printk/printk.c:3268)
[  492.811783][ T8520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  492.811785][ T8520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.811790][ T8520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  492.811792][ T8520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  492.811794][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.811796][ T8520]  ? 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)
[  492.811800][ T8520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  492.811801][ T8520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  492.811804][ T8520]  vprintk_emit (kernel/printk/printk.c:2479)
[  492.811807][ T8520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  492.811810][ T8520]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  492.811815][ T8520]  _printk (kernel/printk/printk.c:2504)
[  492.811819][ T8520]  ? snapshot_read.cold (user.c:?)
[  492.811820][ T8520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.811823][ T8520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.811826][ T8520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.811828][ T8520]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  492.811832][ T8520]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  492.811834][ T8520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.811836][ T8520]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  492.811839][ T8520]  ? netdev_notice (net/core/dev.c:13194)
[  492.811842][ T8520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.811845][ T8520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.811848][ T8520]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  492.811851][ T8520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.811853][ T8520]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  492.811855][ T8520]  ? register_netdev (net/core/dev.c:11618)
[  492.811856][ T8520]  ? 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))
[  492.811862][ T8520]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  492.811864][ T8520]  ? __kernel_text_address (kernel/extable.c:79)
[  492.811867][ T8520]  ? write_profile (profile.c:?)
[  492.811871][ T8520]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  492.811876][ T8520]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  492.811880][ T8520]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  492.811882][ T8520]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  492.811883][ T8520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  492.811885][ T8520]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  492.811888][ T8520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  492.811890][ T8520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  492.811892][ T8520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  492.811894][ T8520]  ? kasan_save_stack (mm/kasan/common.c:58)
[  492.811896][ T8520]  ? kasan_save_stack (mm/kasan/common.c:57)
[  492.811897][ T8520]  ? kasan_save_track (mm/kasan/common.c:78)
[  492.811898][ T8520]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  492.811901][ T8520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.811902][ T8520]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  492.811906][ T8520]  ? ___sys_sendmsg (net/socket.c:2758)
[  492.811910][ T8520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.811912][ T8520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.811914][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.811916][ T8520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  492.811917][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.811918][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.811920][ T8520]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  492.811922][ T8520]  ? __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)
[  492.811924][ T8520]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  492.811925][ T8520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  492.811929][ T8520]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  492.811930][ T8520]  ? nla_get_range_signed (lib/nlattr.c:270)
[  492.811935][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.811937][ T8520]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  492.811942][ T8520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  492.811947][ T8520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.811949][ T8520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.811953][ T8520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.811955][ T8520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.811957][ T8520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.811959][ T8520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.811963][ T8520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  492.811965][ T8520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  492.811968][ T8520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.811969][ T8520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  492.811974][ T8520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  492.811976][ T8520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.811979][ T8520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  492.811982][ T8520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  492.811985][ T8520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  492.811991][ T8520]  ? 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))
[  492.811993][ T8520]  ? 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))
[  492.811997][ T8520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  492.812001][ T8520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  492.812004][ T8520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  492.812008][ T8520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  492.812012][ T8520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  492.812016][ T8520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  492.812017][ T8520]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  492.812023][ T8520]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  492.812025][ T8520]  ____sys_sendmsg (net/socket.c:2713)
[  492.812028][ T8520]  ? copy_msghdr_from_user (net/socket.c:2650)
[  492.812030][ T8520]  ? sock_write_iter (net/socket.c:1269)
[  492.812031][ T8520]  ? move_addr_to_kernel (net/socket.c:258)
[  492.812039][ T8520]  ___sys_sendmsg (net/socket.c:2767)
[  492.812041][ T8520]  ? copy_msghdr_from_user (net/socket.c:2619)
[  492.812057][ T8520]  __sys_sendmsg (net/socket.c:2799)
[  492.812060][ T8520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  492.812066][ T8520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  492.812069][ T8520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  492.812072][ T8520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  492.812074][ T8520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  492.812077][ T8520] RIP: 0033:0x7f3bf400054e
[  492.812080][ T8520] 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
[  492.812082][ T8520] RSP: 002b:00007ffe5a13a580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  492.812085][ T8520] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3bf400054e
[  492.812086][ T8520] RDX: 0000000000000000 RSI: 00007ffe5a13a630 RDI: 0000000000000005
[  492.812087][ T8520] RBP: 00007ffe5a13a590 R08: 0000000000000000 R09: 0000000000000000
[  492.812088][ T8520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916693
[  492.812088][ T8520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5a13ad00
| [  501.606850][ T8663] softirqs last disabled at (16458): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  501.606853][ T8663] Preemption disabled at:
| [  501.606854][ T8663] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.606862][ T8663] Tainted: [W]=WARN
[  501.606863][ T8663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.606865][ T8663] Call Trace:
[  501.606866][ T8663]  <TASK>
[  501.606867][ T8663]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.606873][ T8663]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.606875][ T8663]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.606880][ T8663]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.606884][ T8663]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.606889][ T8663]  __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))
[  501.606891][ T8663]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.606897][ T8663]  ? 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)
[  501.606900][ T8663]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.606904][ T8663]  put_chars (drivers/char/virtio_console.c:1176)
[  501.606907][ T8663]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.606913][ T8663]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.606920][ T8663]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.606924][ T8663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.606928][ T8663]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.606933][ T8663]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.606934][ T8663]  ? 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))
[  501.606938][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.606940][ T8663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.606944][ T8663]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.606949][ T8663]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.606951][ T8663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.606956][ T8663]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.606959][ T8663]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.606961][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.606962][ T8663]  ? 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)
[  501.606966][ T8663]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.606968][ T8663]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.606971][ T8663]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.606974][ T8663]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.606976][ T8663]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  501.606981][ T8663]  _printk (kernel/printk/printk.c:2504)
[  501.606985][ T8663]  ? snapshot_read.cold (user.c:?)
[  501.606987][ T8663]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.606990][ T8663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.606993][ T8663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.606995][ T8663]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  501.606999][ T8663]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  501.607002][ T8663]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.607004][ T8663]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  501.607007][ T8663]  ? netdev_notice (net/core/dev.c:13194)
[  501.607010][ T8663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.607013][ T8663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.607015][ T8663]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  501.607019][ T8663]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.607021][ T8663]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  501.607023][ T8663]  ? register_netdev (net/core/dev.c:11618)
[  501.607025][ T8663]  ? 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))
[  501.607030][ T8663]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  501.607033][ T8663]  ? __kernel_text_address (kernel/extable.c:79)
[  501.607035][ T8663]  ? write_profile (profile.c:?)
[  501.607039][ T8663]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  501.607045][ T8663]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  501.607048][ T8663]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  501.607051][ T8663]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  501.607052][ T8663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  501.607054][ T8663]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  501.607057][ T8663]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.607059][ T8663]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.607061][ T8663]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.607063][ T8663]  ? kasan_save_stack (mm/kasan/common.c:58)
[  501.607065][ T8663]  ? kasan_save_stack (mm/kasan/common.c:57)
[  501.607066][ T8663]  ? kasan_save_track (mm/kasan/common.c:78)
[  501.607068][ T8663]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  501.607070][ T8663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.607072][ T8663]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  501.607075][ T8663]  ? ___sys_sendmsg (net/socket.c:2758)
[  501.607079][ T8663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.607081][ T8663]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.607084][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.607085][ T8663]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.607087][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.607088][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.607090][ T8663]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  501.607092][ T8663]  ? __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)
[  501.607093][ T8663]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  501.607095][ T8663]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  501.607099][ T8663]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  501.607100][ T8663]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.607105][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.607107][ T8663]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  501.607112][ T8663]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  501.607120][ T8663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.607122][ T8663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.607127][ T8663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.607129][ T8663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.607131][ T8663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.607133][ T8663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.607136][ T8663]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  501.607138][ T8663]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  501.607142][ T8663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.607143][ T8663]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.607148][ T8663]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.607150][ T8663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.607153][ T8663]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.607156][ T8663]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  501.607159][ T8663]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.607165][ T8663]  ? 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))
[  501.607168][ T8663]  ? 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))
[  501.607172][ T8663]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.607176][ T8663]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.607179][ T8663]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.607183][ T8663]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.607187][ T8663]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.607191][ T8663]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.607192][ T8663]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  501.607198][ T8663]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.607201][ T8663]  ____sys_sendmsg (net/socket.c:2713)
[  501.607203][ T8663]  ? copy_msghdr_from_user (net/socket.c:2650)
[  501.607205][ T8663]  ? sock_write_iter (net/socket.c:1269)
[  501.607207][ T8663]  ? move_addr_to_kernel (net/socket.c:258)
[  501.607214][ T8663]  ___sys_sendmsg (net/socket.c:2767)
[  501.607217][ T8663]  ? copy_msghdr_from_user (net/socket.c:2619)
[  501.607233][ T8663]  __sys_sendmsg (net/socket.c:2799)
[  501.607236][ T8663]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  501.607242][ T8663]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.607245][ T8663]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.607248][ T8663]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.607251][ T8663]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.607253][ T8663] RIP: 0033:0x7f99ceba854e
[  501.607257][ T8663] 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
[  501.607259][ T8663] RSP: 002b:00007ffe0ecfd650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  501.607261][ T8663] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f99ceba854e
[  501.607263][ T8663] RDX: 0000000000000000 RSI: 00007ffe0ecfd700 RDI: 0000000000000005
[  501.607264][ T8663] RBP: 00007ffe0ecfd660 R08: 0000000000000000 R09: 0000000000000000
[  501.607264][ T8663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91669b
[  501.607265][ T8663] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ecfddd0
| [  510.354666][ T8806] softirqs last disabled at (16796): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  510.354668][ T8806] Preemption disabled at:
| [  510.354669][ T8806] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.354677][ T8806] Tainted: [W]=WARN
[  510.354678][ T8806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.354680][ T8806] Call Trace:
[  510.354681][ T8806]  <TASK>
[  510.354683][ T8806]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.354689][ T8806]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.354690][ T8806]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.354695][ T8806]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.354699][ T8806]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  510.354704][ T8806]  __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))
[  510.354705][ T8806]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.354712][ T8806]  ? 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)
[  510.354715][ T8806]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.354718][ T8806]  put_chars (drivers/char/virtio_console.c:1176)
[  510.354721][ T8806]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.354727][ T8806]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.354735][ T8806]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.354738][ T8806]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.354746][ T8806]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.354751][ T8806]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.354753][ T8806]  ? 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))
[  510.354756][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.354758][ T8806]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.354762][ T8806]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.354766][ T8806]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.354768][ T8806]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.354774][ T8806]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.354776][ T8806]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.354778][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.354780][ T8806]  ? 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)
[  510.354784][ T8806]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.354785][ T8806]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.354788][ T8806]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.354791][ T8806]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.354794][ T8806]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  510.354799][ T8806]  _printk (kernel/printk/printk.c:2504)
[  510.354802][ T8806]  ? snapshot_read.cold (user.c:?)
[  510.354804][ T8806]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.354807][ T8806]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.354809][ T8806]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.354811][ T8806]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.354815][ T8806]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.354818][ T8806]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.354820][ T8806]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.354823][ T8806]  ? netdev_notice (net/core/dev.c:13194)
[  510.354826][ T8806]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.354829][ T8806]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.354831][ T8806]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  510.354835][ T8806]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.354837][ T8806]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  510.354839][ T8806]  ? register_netdev (net/core/dev.c:11618)
[  510.354840][ T8806]  ? 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))
[  510.354846][ T8806]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  510.354848][ T8806]  ? __kernel_text_address (kernel/extable.c:79)
[  510.354851][ T8806]  ? write_profile (profile.c:?)
[  510.354855][ T8806]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  510.354861][ T8806]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  510.354864][ T8806]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  510.354866][ T8806]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  510.354867][ T8806]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  510.354869][ T8806]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  510.354872][ T8806]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  510.354874][ T8806]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  510.354876][ T8806]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  510.354878][ T8806]  ? kasan_save_stack (mm/kasan/common.c:58)
[  510.354880][ T8806]  ? kasan_save_stack (mm/kasan/common.c:57)
[  510.354881][ T8806]  ? kasan_save_track (mm/kasan/common.c:78)
[  510.354882][ T8806]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  510.354885][ T8806]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.354887][ T8806]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  510.354890][ T8806]  ? ___sys_sendmsg (net/socket.c:2758)
[  510.354894][ T8806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.354896][ T8806]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.354898][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.354900][ T8806]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.354901][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.354903][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.354904][ T8806]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  510.354907][ T8806]  ? __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)
[  510.354908][ T8806]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  510.354910][ T8806]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  510.354913][ T8806]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  510.354914][ T8806]  ? nla_get_range_signed (lib/nlattr.c:270)
[  510.354919][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.354921][ T8806]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  510.354926][ T8806]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.354931][ T8806]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.354933][ T8806]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.354938][ T8806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.354940][ T8806]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.354942][ T8806]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.354943][ T8806]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.354947][ T8806]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.354949][ T8806]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.354952][ T8806]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.354953][ T8806]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  510.354958][ T8806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  510.354960][ T8806]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.354963][ T8806]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.354966][ T8806]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.354969][ T8806]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.354975][ T8806]  ? 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))
[  510.354978][ T8806]  ? 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))
[  510.354982][ T8806]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.354986][ T8806]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.354988][ T8806]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.354993][ T8806]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.354996][ T8806]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.355000][ T8806]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  510.355002][ T8806]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.355007][ T8806]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.355010][ T8806]  ____sys_sendmsg (net/socket.c:2713)
[  510.355012][ T8806]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.355014][ T8806]  ? sock_write_iter (net/socket.c:1269)
[  510.355016][ T8806]  ? move_addr_to_kernel (net/socket.c:258)
[  510.355023][ T8806]  ___sys_sendmsg (net/socket.c:2767)
[  510.355026][ T8806]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.355042][ T8806]  __sys_sendmsg (net/socket.c:2799)
[  510.355044][ T8806]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.355051][ T8806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.355054][ T8806]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.355056][ T8806]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.355059][ T8806]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.355061][ T8806] RIP: 0033:0x7fb41b16f54e
[  510.355065][ T8806] 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
[  510.355067][ T8806] RSP: 002b:00007ffd2537f9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.355069][ T8806] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb41b16f54e
[  510.355071][ T8806] RDX: 0000000000000000 RSI: 00007ffd2537fa50 RDI: 0000000000000005
[  510.355072][ T8806] RBP: 00007ffd2537f9b0 R08: 0000000000000000 R09: 0000000000000000
[  510.355073][ T8806] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166a4
[  510.355073][ T8806] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd25380120
| [  519.320687][ T8952] softirqs last disabled at (23972): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  519.320690][ T8952] Preemption disabled at:
| [  519.320691][ T8952] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.320699][ T8952] Tainted: [W]=WARN
[  519.320700][ T8952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.320702][ T8952] Call Trace:
[  519.320703][ T8952]  <TASK>
[  519.320705][ T8952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.320711][ T8952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.320712][ T8952]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.320717][ T8952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.320721][ T8952]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  519.320726][ T8952]  __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))
[  519.320728][ T8952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.320734][ T8952]  ? 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)
[  519.320737][ T8952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.320740][ T8952]  put_chars (drivers/char/virtio_console.c:1176)
[  519.320743][ T8952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.320749][ T8952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.320762][ T8952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.320765][ T8952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.320770][ T8952]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.320774][ T8952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.320776][ T8952]  ? 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))
[  519.320779][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.320782][ T8952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.320785][ T8952]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.320789][ T8952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.320791][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.320796][ T8952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.320799][ T8952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.320801][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.320803][ T8952]  ? 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)
[  519.320806][ T8952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.320808][ T8952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.320811][ T8952]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.320814][ T8952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.320816][ T8952]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  519.320821][ T8952]  _printk (kernel/printk/printk.c:2504)
[  519.320825][ T8952]  ? snapshot_read.cold (user.c:?)
[  519.320826][ T8952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.320829][ T8952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.320832][ T8952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.320834][ T8952]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.320838][ T8952]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.320840][ T8952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.320842][ T8952]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.320845][ T8952]  ? netdev_notice (net/core/dev.c:13194)
[  519.320848][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.320851][ T8952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.320853][ T8952]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  519.320857][ T8952]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.320859][ T8952]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  519.320861][ T8952]  ? register_netdev (net/core/dev.c:11618)
[  519.320863][ T8952]  ? 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))
[  519.320868][ T8952]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  519.320870][ T8952]  ? __kernel_text_address (kernel/extable.c:79)
[  519.320873][ T8952]  ? write_profile (profile.c:?)
[  519.320877][ T8952]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  519.320882][ T8952]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.320886][ T8952]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  519.320888][ T8952]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  519.320889][ T8952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  519.320891][ T8952]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  519.320894][ T8952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  519.320896][ T8952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  519.320898][ T8952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  519.320900][ T8952]  ? kasan_save_stack (mm/kasan/common.c:58)
[  519.320902][ T8952]  ? kasan_save_stack (mm/kasan/common.c:57)
[  519.320903][ T8952]  ? kasan_save_track (mm/kasan/common.c:78)
[  519.320905][ T8952]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  519.320907][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.320909][ T8952]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  519.320912][ T8952]  ? ___sys_sendmsg (net/socket.c:2758)
[  519.320916][ T8952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.320918][ T8952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.320920][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.320922][ T8952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.320924][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.320925][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.320926][ T8952]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  519.320929][ T8952]  ? __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)
[  519.320930][ T8952]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  519.320932][ T8952]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.320935][ T8952]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  519.320936][ T8952]  ? nla_get_range_signed (lib/nlattr.c:270)
[  519.320941][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.320943][ T8952]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  519.320948][ T8952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  519.320953][ T8952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.320955][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.320959][ T8952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.320961][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.320963][ T8952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.320965][ T8952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.320969][ T8952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.320971][ T8952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.320974][ T8952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.320975][ T8952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  519.320980][ T8952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  519.320981][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.320985][ T8952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.320988][ T8952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.320991][ T8952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  519.320997][ T8952]  ? 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))
[  519.320999][ T8952]  ? 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))
[  519.321003][ T8952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.321007][ T8952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  519.321010][ T8952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  519.321014][ T8952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.321018][ T8952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  519.321022][ T8952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  519.321023][ T8952]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  519.321029][ T8952]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.321031][ T8952]  ____sys_sendmsg (net/socket.c:2713)
[  519.321034][ T8952]  ? copy_msghdr_from_user (net/socket.c:2650)
[  519.321036][ T8952]  ? sock_write_iter (net/socket.c:1269)
[  519.321037][ T8952]  ? move_addr_to_kernel (net/socket.c:258)
[  519.321045][ T8952]  ___sys_sendmsg (net/socket.c:2767)
[  519.321047][ T8952]  ? copy_msghdr_from_user (net/socket.c:2619)
[  519.321063][ T8952]  __sys_sendmsg (net/socket.c:2799)
[  519.321066][ T8952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  519.321072][ T8952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.321075][ T8952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.321078][ T8952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  519.321080][ T8952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.321083][ T8952] RIP: 0033:0x7f577b90754e
[  519.321086][ T8952] 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
[  519.321088][ T8952] RSP: 002b:00007ffdc0701e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  519.321090][ T8952] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f577b90754e
[  519.321092][ T8952] RDX: 0000000000000000 RSI: 00007ffdc0701eb0 RDI: 0000000000000005
[  519.321093][ T8952] RBP: 00007ffdc0701e10 R08: 0000000000000000 R09: 0000000000000000
[  519.321093][ T8952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166ad
[  519.321094][ T8952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc0702580
| [  528.065468][ T9095] softirqs last disabled at (24736): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  528.065471][ T9095] Preemption disabled at:
| [  528.065471][ T9095] vprintk_emit (kernel/printk/printk.c:2471)
| [  528.065480][ T9095] Tainted: [W]=WARN
[  528.065481][ T9095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  528.065483][ T9095] Call Trace:
[  528.065484][ T9095]  <TASK>
[  528.065486][ T9095]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  528.065492][ T9095]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  528.065493][ T9095]  __might_resched.cold (kernel/sched/core.c:9234)
[  528.065497][ T9095]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  528.065502][ T9095]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  528.065506][ T9095]  __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))
[  528.065507][ T9095]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.065514][ T9095]  ? 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)
[  528.065517][ T9095]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.065521][ T9095]  put_chars (drivers/char/virtio_console.c:1176)
[  528.065523][ T9095]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  528.065529][ T9095]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  528.065536][ T9095]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  528.065539][ T9095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.065544][ T9095]  console_emit_next_record (kernel/printk/printk.c:3183)
[  528.065548][ T9095]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  528.065550][ T9095]  ? 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))
[  528.065553][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065556][ T9095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.065559][ T9095]  console_flush_one_record (kernel/printk/printk.c:3268)
[  528.065563][ T9095]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  528.065565][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.065570][ T9095]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  528.065573][ T9095]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  528.065575][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065576][ T9095]  ? 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)
[  528.065580][ T9095]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  528.065582][ T9095]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  528.065584][ T9095]  vprintk_emit (kernel/printk/printk.c:2479)
[  528.065587][ T9095]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  528.065590][ T9095]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  528.065595][ T9095]  _printk (kernel/printk/printk.c:2504)
[  528.065598][ T9095]  ? snapshot_read.cold (user.c:?)
[  528.065600][ T9095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  528.065602][ T9095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  528.065605][ T9095]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  528.065607][ T9095]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  528.065611][ T9095]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  528.065613][ T9095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.065615][ T9095]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  528.065618][ T9095]  ? netdev_notice (net/core/dev.c:13194)
[  528.065621][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.065624][ T9095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.065626][ T9095]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  528.065630][ T9095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.065632][ T9095]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  528.065634][ T9095]  ? register_netdev (net/core/dev.c:11618)
[  528.065635][ T9095]  ? 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))
[  528.065640][ T9095]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  528.065643][ T9095]  ? __kernel_text_address (kernel/extable.c:79)
[  528.065645][ T9095]  ? write_profile (profile.c:?)
[  528.065649][ T9095]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  528.065655][ T9095]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  528.065658][ T9095]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  528.065660][ T9095]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  528.065661][ T9095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  528.065663][ T9095]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  528.065666][ T9095]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  528.065668][ T9095]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  528.065670][ T9095]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  528.065672][ T9095]  ? kasan_save_stack (mm/kasan/common.c:58)
[  528.065674][ T9095]  ? kasan_save_stack (mm/kasan/common.c:57)
[  528.065675][ T9095]  ? kasan_save_track (mm/kasan/common.c:78)
[  528.065676][ T9095]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  528.065679][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.065680][ T9095]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  528.065683][ T9095]  ? ___sys_sendmsg (net/socket.c:2758)
[  528.065687][ T9095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.065689][ T9095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  528.065692][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065694][ T9095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.065695][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065696][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065698][ T9095]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  528.065700][ T9095]  ? __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)
[  528.065701][ T9095]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  528.065703][ T9095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  528.065706][ T9095]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  528.065707][ T9095]  ? nla_get_range_signed (lib/nlattr.c:270)
[  528.065712][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065714][ T9095]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  528.065719][ T9095]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  528.065724][ T9095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.065726][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.065730][ T9095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.065732][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.065734][ T9095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.065736][ T9095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.065740][ T9095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.065742][ T9095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  528.065745][ T9095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.065746][ T9095]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  528.065750][ T9095]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  528.065752][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.065756][ T9095]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  528.065759][ T9095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.065761][ T9095]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  528.065768][ T9095]  ? 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))
[  528.065774][ T9095]  ? 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))
[  528.065778][ T9095]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  528.065782][ T9095]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  528.065784][ T9095]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  528.065789][ T9095]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  528.065792][ T9095]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  528.065796][ T9095]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  528.065798][ T9095]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  528.065803][ T9095]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  528.065806][ T9095]  ____sys_sendmsg (net/socket.c:2713)
[  528.065808][ T9095]  ? copy_msghdr_from_user (net/socket.c:2650)
[  528.065810][ T9095]  ? sock_write_iter (net/socket.c:1269)
[  528.065811][ T9095]  ? move_addr_to_kernel (net/socket.c:258)
[  528.065819][ T9095]  ___sys_sendmsg (net/socket.c:2767)
[  528.065821][ T9095]  ? copy_msghdr_from_user (net/socket.c:2619)
[  528.065837][ T9095]  __sys_sendmsg (net/socket.c:2799)
[  528.065839][ T9095]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  528.065845][ T9095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.065848][ T9095]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  528.065851][ T9095]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  528.065854][ T9095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  528.065856][ T9095] RIP: 0033:0x7f819825754e
[  528.065859][ T9095] 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
[  528.065861][ T9095] RSP: 002b:00007ffc30cb07c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  528.065864][ T9095] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f819825754e
[  528.065865][ T9095] RDX: 0000000000000000 RSI: 00007ffc30cb0870 RDI: 0000000000000005
[  528.065866][ T9095] RBP: 00007ffc30cb07d0 R08: 0000000000000000 R09: 0000000000000000
[  528.065867][ T9095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166b6
[  528.065868][ T9095] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc30cb0f40
| [  536.814691][ T9238] softirqs last disabled at (23522): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  536.814694][ T9238] Preemption disabled at:
| [  536.814694][ T9238] vprintk_emit (kernel/printk/printk.c:2471)
| [  536.814703][ T9238] Tainted: [W]=WARN
[  536.814704][ T9238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  536.814705][ T9238] Call Trace:
[  536.814707][ T9238]  <TASK>
[  536.814708][ T9238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  536.814714][ T9238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  536.814715][ T9238]  __might_resched.cold (kernel/sched/core.c:9234)
[  536.814720][ T9238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  536.814724][ T9238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  536.814728][ T9238]  __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))
[  536.814730][ T9238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.814737][ T9238]  ? 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)
[  536.814739][ T9238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.814743][ T9238]  put_chars (drivers/char/virtio_console.c:1176)
[  536.814745][ T9238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  536.814751][ T9238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  536.814759][ T9238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  536.814762][ T9238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.814766][ T9238]  console_emit_next_record (kernel/printk/printk.c:3183)
[  536.814770][ T9238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  536.814772][ T9238]  ? 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))
[  536.814775][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.814778][ T9238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.814782][ T9238]  console_flush_one_record (kernel/printk/printk.c:3268)
[  536.814790][ T9238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  536.814792][ T9238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.814797][ T9238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  536.814800][ T9238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  536.814802][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.814804][ T9238]  ? 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)
[  536.814807][ T9238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  536.814809][ T9238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  536.814812][ T9238]  vprintk_emit (kernel/printk/printk.c:2479)
[  536.814815][ T9238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  536.814817][ T9238]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  536.814822][ T9238]  _printk (kernel/printk/printk.c:2504)
[  536.814826][ T9238]  ? snapshot_read.cold (user.c:?)
[  536.814827][ T9238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.814830][ T9238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.814833][ T9238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.814835][ T9238]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  536.814839][ T9238]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  536.814841][ T9238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.814844][ T9238]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  536.814846][ T9238]  ? netdev_notice (net/core/dev.c:13194)
[  536.814849][ T9238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.814852][ T9238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.814855][ T9238]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  536.814858][ T9238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.814860][ T9238]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  536.814863][ T9238]  ? register_netdev (net/core/dev.c:11618)
[  536.814864][ T9238]  ? 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))
[  536.814869][ T9238]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  536.814872][ T9238]  ? __kernel_text_address (kernel/extable.c:79)
[  536.814874][ T9238]  ? write_profile (profile.c:?)
[  536.814878][ T9238]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  536.814884][ T9238]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  536.814887][ T9238]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  536.814889][ T9238]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  536.814891][ T9238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  536.814892][ T9238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  536.814896][ T9238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.814898][ T9238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.814900][ T9238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.814902][ T9238]  ? kasan_save_stack (mm/kasan/common.c:58)
[  536.814904][ T9238]  ? kasan_save_stack (mm/kasan/common.c:57)
[  536.814905][ T9238]  ? kasan_save_track (mm/kasan/common.c:78)
[  536.814906][ T9238]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  536.814909][ T9238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.814910][ T9238]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  536.814914][ T9238]  ? ___sys_sendmsg (net/socket.c:2758)
[  536.814917][ T9238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.814919][ T9238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  536.814922][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.814924][ T9238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.814925][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.814926][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.814928][ T9238]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  536.814930][ T9238]  ? __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)
[  536.814931][ T9238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  536.814933][ T9238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  536.814937][ T9238]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  536.814938][ T9238]  ? nla_get_range_signed (lib/nlattr.c:270)
[  536.814943][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.814945][ T9238]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  536.814950][ T9238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  536.814955][ T9238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.814957][ T9238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.814962][ T9238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.814964][ T9238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.814966][ T9238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.814967][ T9238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.814971][ T9238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  536.814973][ T9238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  536.814976][ T9238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  536.814978][ T9238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.814982][ T9238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  536.814984][ T9238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.814987][ T9238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  536.814990][ T9238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  536.814993][ T9238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  536.815000][ T9238]  ? 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))
[  536.815002][ T9238]  ? 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))
[  536.815006][ T9238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  536.815010][ T9238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  536.815013][ T9238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.815017][ T9238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  536.815021][ T9238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  536.815024][ T9238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.815026][ T9238]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  536.815031][ T9238]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  536.815034][ T9238]  ____sys_sendmsg (net/socket.c:2713)
[  536.815036][ T9238]  ? copy_msghdr_from_user (net/socket.c:2650)
[  536.815038][ T9238]  ? sock_write_iter (net/socket.c:1269)
[  536.815040][ T9238]  ? move_addr_to_kernel (net/socket.c:258)
[  536.815047][ T9238]  ___sys_sendmsg (net/socket.c:2767)
[  536.815050][ T9238]  ? copy_msghdr_from_user (net/socket.c:2619)
[  536.815066][ T9238]  __sys_sendmsg (net/socket.c:2799)
[  536.815068][ T9238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  536.815074][ T9238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.815077][ T9238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  536.815080][ T9238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  536.815083][ T9238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  536.815085][ T9238] RIP: 0033:0x7f541e52854e
[  536.815089][ T9238] 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
[  536.815091][ T9238] RSP: 002b:00007ffe838d2c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  536.815093][ T9238] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f541e52854e
[  536.815094][ T9238] RDX: 0000000000000000 RSI: 00007ffe838d2cb0 RDI: 0000000000000005
[  536.815095][ T9238] RBP: 00007ffe838d2c10 R08: 0000000000000000 R09: 0000000000000000
[  536.815096][ T9238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166bf
[  536.815097][ T9238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe838d3380
| [  545.500750][ T9381] softirqs last disabled at (23760): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  545.500752][ T9381] Preemption disabled at:
| [  545.500753][ T9381] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.500761][ T9381] Tainted: [W]=WARN
[  545.500762][ T9381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.500764][ T9381] Call Trace:
[  545.500765][ T9381]  <TASK>
[  545.500767][ T9381]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.500773][ T9381]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.500774][ T9381]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.500779][ T9381]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.500783][ T9381]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  545.500787][ T9381]  __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))
[  545.500789][ T9381]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.500796][ T9381]  ? 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)
[  545.500802][ T9381]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.500806][ T9381]  put_chars (drivers/char/virtio_console.c:1176)
[  545.500809][ T9381]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.500815][ T9381]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.500822][ T9381]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.500825][ T9381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.500830][ T9381]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.500833][ T9381]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.500835][ T9381]  ? 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))
[  545.500838][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.500841][ T9381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.500845][ T9381]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.500849][ T9381]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.500851][ T9381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.500856][ T9381]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.500859][ T9381]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.500861][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.500863][ T9381]  ? 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)
[  545.500866][ T9381]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.500868][ T9381]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.500871][ T9381]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.500874][ T9381]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.500876][ T9381]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  545.500881][ T9381]  _printk (kernel/printk/printk.c:2504)
[  545.500885][ T9381]  ? snapshot_read.cold (user.c:?)
[  545.500887][ T9381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.500889][ T9381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.500892][ T9381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.500894][ T9381]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  545.500898][ T9381]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  545.500900][ T9381]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.500903][ T9381]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  545.500905][ T9381]  ? netdev_notice (net/core/dev.c:13194)
[  545.500908][ T9381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.500911][ T9381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.500914][ T9381]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  545.500917][ T9381]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.500919][ T9381]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  545.500921][ T9381]  ? register_netdev (net/core/dev.c:11618)
[  545.500923][ T9381]  ? 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))
[  545.500928][ T9381]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  545.500930][ T9381]  ? __kernel_text_address (kernel/extable.c:79)
[  545.500933][ T9381]  ? write_profile (profile.c:?)
[  545.500937][ T9381]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  545.500943][ T9381]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.500946][ T9381]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  545.500948][ T9381]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  545.500949][ T9381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  545.500951][ T9381]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  545.500954][ T9381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  545.500956][ T9381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  545.500958][ T9381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  545.500960][ T9381]  ? kasan_save_stack (mm/kasan/common.c:58)
[  545.500962][ T9381]  ? kasan_save_stack (mm/kasan/common.c:57)
[  545.500963][ T9381]  ? kasan_save_track (mm/kasan/common.c:78)
[  545.500965][ T9381]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  545.500967][ T9381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.500969][ T9381]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  545.500972][ T9381]  ? ___sys_sendmsg (net/socket.c:2758)
[  545.500976][ T9381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.500978][ T9381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.500981][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.500982][ T9381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.500984][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.500985][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.500987][ T9381]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  545.500989][ T9381]  ? __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)
[  545.500990][ T9381]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  545.500992][ T9381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.500995][ T9381]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  545.500997][ T9381]  ? nla_get_range_signed (lib/nlattr.c:270)
[  545.501001][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.501003][ T9381]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  545.501008][ T9381]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.501014][ T9381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.501016][ T9381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.501020][ T9381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.501022][ T9381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.501024][ T9381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.501026][ T9381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.501029][ T9381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.501031][ T9381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.501035][ T9381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.501036][ T9381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  545.501040][ T9381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  545.501042][ T9381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.501046][ T9381]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.501049][ T9381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.501051][ T9381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.501058][ T9381]  ? 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))
[  545.501060][ T9381]  ? 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))
[  545.501064][ T9381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.501068][ T9381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.501070][ T9381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  545.501074][ T9381]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.501078][ T9381]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.501082][ T9381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  545.501084][ T9381]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.501089][ T9381]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.501092][ T9381]  ____sys_sendmsg (net/socket.c:2713)
[  545.501094][ T9381]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.501096][ T9381]  ? sock_write_iter (net/socket.c:1269)
[  545.501098][ T9381]  ? move_addr_to_kernel (net/socket.c:258)
[  545.501105][ T9381]  ___sys_sendmsg (net/socket.c:2767)
[  545.501108][ T9381]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.501126][ T9381]  __sys_sendmsg (net/socket.c:2799)
[  545.501129][ T9381]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.501135][ T9381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.501138][ T9381]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.501140][ T9381]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.501143][ T9381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.501145][ T9381] RIP: 0033:0x7fe901b7354e
[  545.501149][ T9381] 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
[  545.501150][ T9381] RSP: 002b:00007fff643585b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.501153][ T9381] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe901b7354e
[  545.501154][ T9381] RDX: 0000000000000000 RSI: 00007fff64358660 RDI: 0000000000000005
[  545.501155][ T9381] RBP: 00007fff643585c0 R08: 0000000000000000 R09: 0000000000000000
[  545.501156][ T9381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166c7
[  545.501157][ T9381] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff64358d30
| [  554.258619][ T9524] softirqs last disabled at (16098): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  554.258621][ T9524] Preemption disabled at:
| [  554.258622][ T9524] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.258630][ T9524] Tainted: [W]=WARN
[  554.258631][ T9524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.258633][ T9524] Call Trace:
[  554.258635][ T9524]  <TASK>
[  554.258636][ T9524]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.258642][ T9524]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.258644][ T9524]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.258648][ T9524]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.258652][ T9524]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  554.258656][ T9524]  __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))
[  554.258658][ T9524]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.258665][ T9524]  ? 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)
[  554.258668][ T9524]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.258671][ T9524]  put_chars (drivers/char/virtio_console.c:1176)
[  554.258674][ T9524]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.258680][ T9524]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.258688][ T9524]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.258691][ T9524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.258695][ T9524]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.258699][ T9524]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.258701][ T9524]  ? 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))
[  554.258705][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.258707][ T9524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.258711][ T9524]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.258715][ T9524]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.258717][ T9524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.258722][ T9524]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.258725][ T9524]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.258727][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.258728][ T9524]  ? 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)
[  554.258732][ T9524]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.258734][ T9524]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.258736][ T9524]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.258740][ T9524]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.258742][ T9524]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  554.258747][ T9524]  _printk (kernel/printk/printk.c:2504)
[  554.258751][ T9524]  ? snapshot_read.cold (user.c:?)
[  554.258753][ T9524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  554.258755][ T9524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  554.258758][ T9524]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  554.258760][ T9524]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  554.258764][ T9524]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  554.258767][ T9524]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.258769][ T9524]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  554.258772][ T9524]  ? netdev_notice (net/core/dev.c:13194)
[  554.258774][ T9524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.258778][ T9524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.258780][ T9524]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  554.258784][ T9524]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.258786][ T9524]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  554.258788][ T9524]  ? register_netdev (net/core/dev.c:11618)
[  554.258789][ T9524]  ? 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))
[  554.258794][ T9524]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  554.258797][ T9524]  ? __kernel_text_address (kernel/extable.c:79)
[  554.258799][ T9524]  ? write_profile (profile.c:?)
[  554.258803][ T9524]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  554.258809][ T9524]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  554.258812][ T9524]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  554.258819][ T9524]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  554.258821][ T9524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  554.258823][ T9524]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  554.258826][ T9524]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  554.258828][ T9524]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  554.258830][ T9524]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  554.258832][ T9524]  ? kasan_save_stack (mm/kasan/common.c:58)
[  554.258834][ T9524]  ? kasan_save_stack (mm/kasan/common.c:57)
[  554.258835][ T9524]  ? kasan_save_track (mm/kasan/common.c:78)
[  554.258837][ T9524]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  554.258839][ T9524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.258841][ T9524]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  554.258844][ T9524]  ? ___sys_sendmsg (net/socket.c:2758)
[  554.258848][ T9524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.258850][ T9524]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  554.258852][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.258854][ T9524]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.258856][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.258857][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.258858][ T9524]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  554.258861][ T9524]  ? __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)
[  554.258862][ T9524]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  554.258864][ T9524]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  554.258867][ T9524]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  554.258868][ T9524]  ? nla_get_range_signed (lib/nlattr.c:270)
[  554.258873][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.258875][ T9524]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  554.258880][ T9524]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.258886][ T9524]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.258887][ T9524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.258889][ T9524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.258893][ T9524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.258895][ T9524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.258897][ T9524]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.258898][ T9524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.258902][ T9524]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.258904][ T9524]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.258907][ T9524]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.258909][ T9524]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  554.258913][ T9524]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  554.258915][ T9524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.258918][ T9524]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.258921][ T9524]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.258924][ T9524]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  554.258931][ T9524]  ? 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))
[  554.258933][ T9524]  ? 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))
[  554.258937][ T9524]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.258941][ T9524]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  554.258944][ T9524]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  554.258948][ T9524]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.258952][ T9524]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  554.258955][ T9524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  554.258957][ T9524]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  554.258962][ T9524]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.258965][ T9524]  ____sys_sendmsg (net/socket.c:2713)
[  554.258967][ T9524]  ? copy_msghdr_from_user (net/socket.c:2650)
[  554.258969][ T9524]  ? sock_write_iter (net/socket.c:1269)
[  554.258971][ T9524]  ? move_addr_to_kernel (net/socket.c:258)
[  554.258978][ T9524]  ___sys_sendmsg (net/socket.c:2767)
[  554.258981][ T9524]  ? copy_msghdr_from_user (net/socket.c:2619)
[  554.258997][ T9524]  __sys_sendmsg (net/socket.c:2799)
[  554.258999][ T9524]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  554.259006][ T9524]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.259009][ T9524]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.259012][ T9524]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  554.259014][ T9524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.259017][ T9524] RIP: 0033:0x7f0c6d0fb54e
[  554.259021][ T9524] 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
[  554.259022][ T9524] RSP: 002b:00007fff400ebe20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  554.259025][ T9524] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0c6d0fb54e
[  554.259027][ T9524] RDX: 0000000000000000 RSI: 00007fff400ebed0 RDI: 0000000000000005
[  554.259028][ T9524] RBP: 00007fff400ebe30 R08: 0000000000000000 R09: 0000000000000000
[  554.259028][ T9524] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166d0
[  554.259029][ T9524] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff400ec5a0
| [  563.004598][ T9667] softirqs last disabled at (16436): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  563.004601][ T9667] Preemption disabled at:
| [  563.004601][ T9667] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.004610][ T9667] Tainted: [W]=WARN
[  563.004611][ T9667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.004612][ T9667] Call Trace:
[  563.004614][ T9667]  <TASK>
[  563.004616][ T9667]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.004622][ T9667]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.004623][ T9667]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.004628][ T9667]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.004632][ T9667]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  563.004637][ T9667]  __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))
[  563.004639][ T9667]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.004645][ T9667]  ? 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)
[  563.004648][ T9667]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.004652][ T9667]  put_chars (drivers/char/virtio_console.c:1176)
[  563.004654][ T9667]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.004661][ T9667]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.004668][ T9667]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.004671][ T9667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.004676][ T9667]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.004680][ T9667]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.004682][ T9667]  ? 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))
[  563.004685][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004688][ T9667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.004692][ T9667]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.004697][ T9667]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.004698][ T9667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.004704][ T9667]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.004707][ T9667]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.004709][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004710][ T9667]  ? 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)
[  563.004714][ T9667]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.004716][ T9667]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.004719][ T9667]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.004722][ T9667]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.004724][ T9667]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  563.004730][ T9667]  _printk (kernel/printk/printk.c:2504)
[  563.004734][ T9667]  ? snapshot_read.cold (user.c:?)
[  563.004735][ T9667]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  563.004738][ T9667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.004741][ T9667]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.004743][ T9667]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  563.004747][ T9667]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  563.004750][ T9667]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.004752][ T9667]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  563.004755][ T9667]  ? netdev_notice (net/core/dev.c:13194)
[  563.004757][ T9667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.004761][ T9667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.004763][ T9667]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  563.004767][ T9667]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.004769][ T9667]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  563.004771][ T9667]  ? register_netdev (net/core/dev.c:11618)
[  563.004773][ T9667]  ? 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))
[  563.004778][ T9667]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  563.004781][ T9667]  ? __kernel_text_address (kernel/extable.c:79)
[  563.004783][ T9667]  ? write_profile (profile.c:?)
[  563.004787][ T9667]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  563.004793][ T9667]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.004796][ T9667]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  563.004799][ T9667]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  563.004800][ T9667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  563.004802][ T9667]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  563.004805][ T9667]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  563.004807][ T9667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.004809][ T9667]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.004812][ T9667]  ? kasan_save_stack (mm/kasan/common.c:58)
[  563.004813][ T9667]  ? kasan_save_stack (mm/kasan/common.c:57)
[  563.004815][ T9667]  ? kasan_save_track (mm/kasan/common.c:78)
[  563.004816][ T9667]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  563.004818][ T9667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.004820][ T9667]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  563.004823][ T9667]  ? ___sys_sendmsg (net/socket.c:2758)
[  563.004827][ T9667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.004835][ T9667]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.004838][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004839][ T9667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.004841][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004842][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004844][ T9667]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  563.004846][ T9667]  ? __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)
[  563.004847][ T9667]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  563.004849][ T9667]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.004852][ T9667]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  563.004854][ T9667]  ? nla_get_range_signed (lib/nlattr.c:270)
[  563.004859][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004861][ T9667]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  563.004866][ T9667]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.004872][ T9667]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.004874][ T9667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.004878][ T9667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.004880][ T9667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.004882][ T9667]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.004884][ T9667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.004888][ T9667]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.004890][ T9667]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.004893][ T9667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.004894][ T9667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.004899][ T9667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  563.004901][ T9667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.004904][ T9667]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.004907][ T9667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.004910][ T9667]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.004917][ T9667]  ? 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))
[  563.004919][ T9667]  ? 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))
[  563.004923][ T9667]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.004927][ T9667]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.004930][ T9667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.004934][ T9667]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.004938][ T9667]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.004942][ T9667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.004943][ T9667]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  563.004949][ T9667]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.004952][ T9667]  ____sys_sendmsg (net/socket.c:2713)
[  563.004954][ T9667]  ? copy_msghdr_from_user (net/socket.c:2650)
[  563.004956][ T9667]  ? sock_write_iter (net/socket.c:1269)
[  563.004958][ T9667]  ? move_addr_to_kernel (net/socket.c:258)
[  563.004965][ T9667]  ___sys_sendmsg (net/socket.c:2767)
[  563.004968][ T9667]  ? copy_msghdr_from_user (net/socket.c:2619)
[  563.004984][ T9667]  __sys_sendmsg (net/socket.c:2799)
[  563.004987][ T9667]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  563.004993][ T9667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.004996][ T9667]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.004999][ T9667]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.005002][ T9667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.005004][ T9667] RIP: 0033:0x7f69e9ee654e
[  563.005008][ T9667] 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
[  563.005009][ T9667] RSP: 002b:00007fff3b6117c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  563.005012][ T9667] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f69e9ee654e
[  563.005014][ T9667] RDX: 0000000000000000 RSI: 00007fff3b611870 RDI: 0000000000000005
[  563.005015][ T9667] RBP: 00007fff3b6117d0 R08: 0000000000000000 R09: 0000000000000000
[  563.005015][ T9667] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166d9
[  563.005016][ T9667] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3b611f40
| [  571.843625][ T9810] softirqs last disabled at (23626): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  571.843627][ T9810] Preemption disabled at:
| [  571.843628][ T9810] vprintk_emit (kernel/printk/printk.c:2471)
| [  571.843637][ T9810] Tainted: [W]=WARN
[  571.843638][ T9810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  571.843639][ T9810] Call Trace:
[  571.843640][ T9810]  <TASK>
[  571.843642][ T9810]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  571.843648][ T9810]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  571.843649][ T9810]  __might_resched.cold (kernel/sched/core.c:9234)
[  571.843654][ T9810]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  571.843658][ T9810]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  571.843662][ T9810]  __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))
[  571.843664][ T9810]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.843671][ T9810]  ? 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)
[  571.843673][ T9810]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.843677][ T9810]  put_chars (drivers/char/virtio_console.c:1176)
[  571.843679][ T9810]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  571.843686][ T9810]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  571.843693][ T9810]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  571.843696][ T9810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.843701][ T9810]  console_emit_next_record (kernel/printk/printk.c:3183)
[  571.843705][ T9810]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  571.843707][ T9810]  ? 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))
[  571.843710][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.843712][ T9810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.843716][ T9810]  console_flush_one_record (kernel/printk/printk.c:3268)
[  571.843720][ T9810]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  571.843722][ T9810]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  571.843727][ T9810]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  571.843730][ T9810]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  571.843732][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.843733][ T9810]  ? 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)
[  571.843737][ T9810]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  571.843739][ T9810]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  571.843741][ T9810]  vprintk_emit (kernel/printk/printk.c:2479)
[  571.843744][ T9810]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  571.843747][ T9810]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  571.843752][ T9810]  _printk (kernel/printk/printk.c:2504)
[  571.843756][ T9810]  ? snapshot_read.cold (user.c:?)
[  571.843757][ T9810]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  571.843760][ T9810]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  571.843763][ T9810]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  571.843765][ T9810]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  571.843769][ T9810]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  571.843771][ T9810]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  571.843774][ T9810]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  571.843776][ T9810]  ? netdev_notice (net/core/dev.c:13194)
[  571.843779][ T9810]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  571.843782][ T9810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  571.843784][ T9810]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  571.843788][ T9810]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  571.843790][ T9810]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  571.843792][ T9810]  ? register_netdev (net/core/dev.c:11618)
[  571.843793][ T9810]  ? 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))
[  571.843798][ T9810]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  571.843801][ T9810]  ? __kernel_text_address (kernel/extable.c:79)
[  571.843803][ T9810]  ? write_profile (profile.c:?)
[  571.843808][ T9810]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  571.843813][ T9810]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  571.843816][ T9810]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  571.843818][ T9810]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  571.843820][ T9810]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  571.843821][ T9810]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  571.843825][ T9810]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  571.843826][ T9810]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  571.843828][ T9810]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  571.843831][ T9810]  ? kasan_save_stack (mm/kasan/common.c:58)
[  571.843832][ T9810]  ? kasan_save_stack (mm/kasan/common.c:57)
[  571.843833][ T9810]  ? kasan_save_track (mm/kasan/common.c:78)
[  571.843835][ T9810]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  571.843837][ T9810]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  571.843839][ T9810]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  571.843842][ T9810]  ? ___sys_sendmsg (net/socket.c:2758)
[  571.843851][ T9810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  571.843853][ T9810]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  571.843856][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.843857][ T9810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.843859][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.843860][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.843862][ T9810]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  571.843864][ T9810]  ? __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)
[  571.843865][ T9810]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  571.843867][ T9810]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  571.843870][ T9810]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  571.843871][ T9810]  ? nla_get_range_signed (lib/nlattr.c:270)
[  571.843876][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.843878][ T9810]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  571.843883][ T9810]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  571.843889][ T9810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  571.843890][ T9810]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  571.843895][ T9810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  571.843897][ T9810]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  571.843899][ T9810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  571.843900][ T9810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  571.843904][ T9810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  571.843906][ T9810]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  571.843909][ T9810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  571.843910][ T9810]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  571.843915][ T9810]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  571.843917][ T9810]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  571.843920][ T9810]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  571.843923][ T9810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  571.843926][ T9810]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  571.843932][ T9810]  ? 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))
[  571.843934][ T9810]  ? 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))
[  571.843938][ T9810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  571.843942][ T9810]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  571.843945][ T9810]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  571.843949][ T9810]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  571.843953][ T9810]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  571.843956][ T9810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  571.843958][ T9810]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  571.843963][ T9810]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  571.843966][ T9810]  ____sys_sendmsg (net/socket.c:2713)
[  571.843968][ T9810]  ? copy_msghdr_from_user (net/socket.c:2650)
[  571.843970][ T9810]  ? sock_write_iter (net/socket.c:1269)
[  571.843972][ T9810]  ? move_addr_to_kernel (net/socket.c:258)
[  571.843979][ T9810]  ___sys_sendmsg (net/socket.c:2767)
[  571.843982][ T9810]  ? copy_msghdr_from_user (net/socket.c:2619)
[  571.843997][ T9810]  __sys_sendmsg (net/socket.c:2799)
[  571.844000][ T9810]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  571.844006][ T9810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.844009][ T9810]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  571.844011][ T9810]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  571.844014][ T9810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  571.844016][ T9810] RIP: 0033:0x7f605035354e
[  571.844020][ T9810] 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
[  571.844021][ T9810] RSP: 002b:00007fffd0b8b900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  571.844024][ T9810] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f605035354e
[  571.844025][ T9810] RDX: 0000000000000000 RSI: 00007fffd0b8b9b0 RDI: 0000000000000005
[  571.844026][ T9810] RBP: 00007fffd0b8b910 R08: 0000000000000000 R09: 0000000000000000
[  571.844027][ T9810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166e2
[  571.844028][ T9810] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd0b8c080
| [  580.619723][ T9953] softirqs last disabled at (24830): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  580.619726][ T9953] Preemption disabled at:
| [  580.619727][ T9953] vprintk_emit (kernel/printk/printk.c:2471)
| [  580.619735][ T9953] Tainted: [W]=WARN
[  580.619736][ T9953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  580.619737][ T9953] Call Trace:
[  580.619739][ T9953]  <TASK>
[  580.619740][ T9953]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  580.619746][ T9953]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  580.619748][ T9953]  __might_resched.cold (kernel/sched/core.c:9234)
[  580.619752][ T9953]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  580.619756][ T9953]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  580.619761][ T9953]  __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))
[  580.619763][ T9953]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.619769][ T9953]  ? 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)
[  580.619772][ T9953]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.619776][ T9953]  put_chars (drivers/char/virtio_console.c:1176)
[  580.619779][ T9953]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  580.619785][ T9953]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  580.619792][ T9953]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  580.619795][ T9953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.619800][ T9953]  console_emit_next_record (kernel/printk/printk.c:3183)
[  580.619804][ T9953]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  580.619806][ T9953]  ? 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))
[  580.619809][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.619811][ T9953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.619815][ T9953]  console_flush_one_record (kernel/printk/printk.c:3268)
[  580.619820][ T9953]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  580.619821][ T9953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.619827][ T9953]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  580.619830][ T9953]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  580.619831][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.619833][ T9953]  ? 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)
[  580.619837][ T9953]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  580.619838][ T9953]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  580.619841][ T9953]  vprintk_emit (kernel/printk/printk.c:2479)
[  580.619844][ T9953]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  580.619847][ T9953]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  580.619852][ T9953]  _printk (kernel/printk/printk.c:2504)
[  580.619856][ T9953]  ? snapshot_read.cold (user.c:?)
[  580.619857][ T9953]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  580.619865][ T9953]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  580.619868][ T9953]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  580.619870][ T9953]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  580.619874][ T9953]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  580.619877][ T9953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.619879][ T9953]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  580.619882][ T9953]  ? netdev_notice (net/core/dev.c:13194)
[  580.619884][ T9953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.619888][ T9953]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.619890][ T9953]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  580.619894][ T9953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.619896][ T9953]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  580.619898][ T9953]  ? register_netdev (net/core/dev.c:11618)
[  580.619899][ T9953]  ? 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))
[  580.619905][ T9953]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  580.619907][ T9953]  ? __kernel_text_address (kernel/extable.c:79)
[  580.619910][ T9953]  ? write_profile (profile.c:?)
[  580.619914][ T9953]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  580.619920][ T9953]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  580.619923][ T9953]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  580.619925][ T9953]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  580.619926][ T9953]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  580.619928][ T9953]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  580.619932][ T9953]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  580.619934][ T9953]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  580.619935][ T9953]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  580.619938][ T9953]  ? kasan_save_stack (mm/kasan/common.c:58)
[  580.619940][ T9953]  ? kasan_save_stack (mm/kasan/common.c:57)
[  580.619941][ T9953]  ? kasan_save_track (mm/kasan/common.c:78)
[  580.619942][ T9953]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  580.619944][ T9953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.619946][ T9953]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  580.619949][ T9953]  ? ___sys_sendmsg (net/socket.c:2758)
[  580.619953][ T9953]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.619955][ T9953]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  580.619958][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.619960][ T9953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.619961][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.619963][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.619964][ T9953]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  580.619966][ T9953]  ? __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)
[  580.619968][ T9953]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  580.619970][ T9953]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  580.619973][ T9953]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  580.619974][ T9953]  ? nla_get_range_signed (lib/nlattr.c:270)
[  580.619979][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.619981][ T9953]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  580.619986][ T9953]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  580.619992][ T9953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.619993][ T9953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.619998][ T9953]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.620000][ T9953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.620002][ T9953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.620004][ T9953]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.620007][ T9953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.620009][ T9953]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  580.620012][ T9953]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.620014][ T9953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  580.620018][ T9953]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  580.620020][ T9953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.620024][ T9953]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  580.620027][ T9953]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.620029][ T9953]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  580.620036][ T9953]  ? 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))
[  580.620038][ T9953]  ? 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))
[  580.620042][ T9953]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  580.620046][ T9953]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  580.620049][ T9953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  580.620053][ T9953]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  580.620057][ T9953]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  580.620061][ T9953]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  580.620062][ T9953]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  580.620068][ T9953]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  580.620071][ T9953]  ____sys_sendmsg (net/socket.c:2713)
[  580.620073][ T9953]  ? copy_msghdr_from_user (net/socket.c:2650)
[  580.620075][ T9953]  ? sock_write_iter (net/socket.c:1269)
[  580.620077][ T9953]  ? move_addr_to_kernel (net/socket.c:258)
[  580.620084][ T9953]  ___sys_sendmsg (net/socket.c:2767)
[  580.620087][ T9953]  ? copy_msghdr_from_user (net/socket.c:2619)
[  580.620103][ T9953]  __sys_sendmsg (net/socket.c:2799)
[  580.620105][ T9953]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  580.620112][ T9953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.620115][ T9953]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  580.620120][ T9953]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  580.620123][ T9953]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  580.620126][ T9953] RIP: 0033:0x7f22630f754e
[  580.620129][ T9953] 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
[  580.620131][ T9953] RSP: 002b:00007ffd4dee3370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  580.620133][ T9953] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f22630f754e
[  580.620135][ T9953] RDX: 0000000000000000 RSI: 00007ffd4dee3420 RDI: 0000000000000005
[  580.620136][ T9953] RBP: 00007ffd4dee3380 R08: 0000000000000000 R09: 0000000000000000
[  580.620136][ T9953] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166ea
[  580.620137][ T9953] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4dee3af0
| [  589.475724][T10096] softirqs last disabled at (21814): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  589.475727][T10096] Preemption disabled at:
| [  589.475727][T10096] vprintk_emit (kernel/printk/printk.c:2471)
| [  589.475736][T10096] Tainted: [W]=WARN
[  589.475737][T10096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.475739][T10096] Call Trace:
[  589.475740][T10096]  <TASK>
[  589.475742][T10096]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  589.475748][T10096]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  589.475750][T10096]  __might_resched.cold (kernel/sched/core.c:9234)
[  589.475754][T10096]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  589.475759][T10096]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  589.475763][T10096]  __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))
[  589.475765][T10096]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.475772][T10096]  ? 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)
[  589.475775][T10096]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.475779][T10096]  put_chars (drivers/char/virtio_console.c:1176)
[  589.475781][T10096]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  589.475788][T10096]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  589.475795][T10096]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  589.475798][T10096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.475803][T10096]  console_emit_next_record (kernel/printk/printk.c:3183)
[  589.475807][T10096]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  589.475809][T10096]  ? 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))
[  589.475812][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.475815][T10096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.475819][T10096]  console_flush_one_record (kernel/printk/printk.c:3268)
[  589.475823][T10096]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  589.475825][T10096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.475831][T10096]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  589.475833][T10096]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  589.475835][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.475837][T10096]  ? 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)
[  589.475841][T10096]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  589.475843][T10096]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  589.475846][T10096]  vprintk_emit (kernel/printk/printk.c:2479)
[  589.475849][T10096]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  589.475851][T10096]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  589.475857][T10096]  _printk (kernel/printk/printk.c:2504)
[  589.475860][T10096]  ? snapshot_read.cold (user.c:?)
[  589.475862][T10096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  589.475865][T10096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  589.475868][T10096]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  589.475870][T10096]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  589.475879][T10096]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  589.475882][T10096]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.475884][T10096]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  589.475887][T10096]  ? netdev_notice (net/core/dev.c:13194)
[  589.475890][T10096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.475893][T10096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.475896][T10096]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  589.475899][T10096]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.475901][T10096]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  589.475904][T10096]  ? register_netdev (net/core/dev.c:11618)
[  589.475905][T10096]  ? 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))
[  589.475911][T10096]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  589.475913][T10096]  ? __kernel_text_address (kernel/extable.c:79)
[  589.475916][T10096]  ? write_profile (profile.c:?)
[  589.475920][T10096]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  589.475926][T10096]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  589.475929][T10096]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  589.475932][T10096]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  589.475933][T10096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  589.475935][T10096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  589.475939][T10096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  589.475941][T10096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  589.475943][T10096]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  589.475945][T10096]  ? kasan_save_stack (mm/kasan/common.c:58)
[  589.475947][T10096]  ? kasan_save_stack (mm/kasan/common.c:57)
[  589.475948][T10096]  ? kasan_save_track (mm/kasan/common.c:78)
[  589.475949][T10096]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  589.475952][T10096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.475954][T10096]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  589.475957][T10096]  ? ___sys_sendmsg (net/socket.c:2758)
[  589.475961][T10096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.475963][T10096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  589.475966][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.475968][T10096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.475969][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.475970][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.475972][T10096]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  589.475974][T10096]  ? __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)
[  589.475976][T10096]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  589.475978][T10096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  589.475981][T10096]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  589.475982][T10096]  ? nla_get_range_signed (lib/nlattr.c:270)
[  589.475987][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.475989][T10096]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  589.475995][T10096]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.476000][T10096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.476002][T10096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.476007][T10096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.476008][T10096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.476010][T10096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.476012][T10096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.476016][T10096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.476018][T10096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  589.476021][T10096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.476023][T10096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  589.476027][T10096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  589.476029][T10096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.476033][T10096]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  589.476036][T10096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.476039][T10096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  589.476046][T10096]  ? 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))
[  589.476048][T10096]  ? 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))
[  589.476052][T10096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  589.476056][T10096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  589.476059][T10096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  589.476064][T10096]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  589.476068][T10096]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  589.476071][T10096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  589.476073][T10096]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  589.476078][T10096]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  589.476081][T10096]  ____sys_sendmsg (net/socket.c:2713)
[  589.476084][T10096]  ? copy_msghdr_from_user (net/socket.c:2650)
[  589.476086][T10096]  ? sock_write_iter (net/socket.c:1269)
[  589.476088][T10096]  ? move_addr_to_kernel (net/socket.c:258)
[  589.476095][T10096]  ___sys_sendmsg (net/socket.c:2767)
[  589.476098][T10096]  ? copy_msghdr_from_user (net/socket.c:2619)
[  589.476114][T10096]  __sys_sendmsg (net/socket.c:2799)
[  589.476120][T10096]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  589.476126][T10096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.476129][T10096]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  589.476132][T10096]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  589.476136][T10096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  589.476138][T10096] RIP: 0033:0x7f05c60c254e
[  589.476142][T10096] 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
[  589.476144][T10096] RSP: 002b:00007ffd8b1ad4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  589.476146][T10096] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f05c60c254e
[  589.476148][T10096] RDX: 0000000000000000 RSI: 00007ffd8b1ad570 RDI: 0000000000000005
[  589.476149][T10096] RBP: 00007ffd8b1ad4d0 R08: 0000000000000000 R09: 0000000000000000
[  589.476149][T10096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166f3
[  589.476150][T10096] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8b1adc40
| [  598.200615][T10239] softirqs last disabled at (16950): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  598.200618][T10239] Preemption disabled at:
| [  598.200619][T10239] vprintk_emit (kernel/printk/printk.c:2471)
| [  598.200627][T10239] Tainted: [W]=WARN
[  598.200628][T10239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.200630][T10239] Call Trace:
[  598.200632][T10239]  <TASK>
[  598.200633][T10239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  598.200639][T10239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  598.200640][T10239]  __might_resched.cold (kernel/sched/core.c:9234)
[  598.200645][T10239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  598.200649][T10239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  598.200653][T10239]  __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))
[  598.200655][T10239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.200661][T10239]  ? 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)
[  598.200664][T10239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.200668][T10239]  put_chars (drivers/char/virtio_console.c:1176)
[  598.200670][T10239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  598.200676][T10239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  598.200684][T10239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  598.200687][T10239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.200691][T10239]  console_emit_next_record (kernel/printk/printk.c:3183)
[  598.200695][T10239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  598.200697][T10239]  ? 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))
[  598.200700][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200702][T10239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.200706][T10239]  console_flush_one_record (kernel/printk/printk.c:3268)
[  598.200710][T10239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  598.200712][T10239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.200717][T10239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  598.200720][T10239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  598.200722][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200724][T10239]  ? 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)
[  598.200727][T10239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  598.200729][T10239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  598.200731][T10239]  vprintk_emit (kernel/printk/printk.c:2479)
[  598.200734][T10239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  598.200737][T10239]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  598.200742][T10239]  _printk (kernel/printk/printk.c:2504)
[  598.200745][T10239]  ? snapshot_read.cold (user.c:?)
[  598.200747][T10239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.200750][T10239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.200753][T10239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.200755][T10239]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  598.200758][T10239]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  598.200761][T10239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.200763][T10239]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  598.200766][T10239]  ? netdev_notice (net/core/dev.c:13194)
[  598.200769][T10239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.200772][T10239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.200774][T10239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  598.200778][T10239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.200780][T10239]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  598.200782][T10239]  ? register_netdev (net/core/dev.c:11618)
[  598.200783][T10239]  ? 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))
[  598.200788][T10239]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  598.200791][T10239]  ? __kernel_text_address (kernel/extable.c:79)
[  598.200793][T10239]  ? write_profile (profile.c:?)
[  598.200797][T10239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  598.200803][T10239]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.200806][T10239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  598.200808][T10239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  598.200809][T10239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  598.200811][T10239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  598.200814][T10239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  598.200816][T10239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  598.200818][T10239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  598.200820][T10239]  ? kasan_save_stack (mm/kasan/common.c:58)
[  598.200822][T10239]  ? kasan_save_stack (mm/kasan/common.c:57)
[  598.200823][T10239]  ? kasan_save_track (mm/kasan/common.c:78)
[  598.200824][T10239]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  598.200827][T10239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.200828][T10239]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  598.200831][T10239]  ? ___sys_sendmsg (net/socket.c:2758)
[  598.200835][T10239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.200837][T10239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.200840][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200841][T10239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.200843][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200844][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200846][T10239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  598.200848][T10239]  ? __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)
[  598.200849][T10239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  598.200851][T10239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.200854][T10239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  598.200856][T10239]  ? nla_get_range_signed (lib/nlattr.c:270)
[  598.200860][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200862][T10239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  598.200867][T10239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.200873][T10239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.200874][T10239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.200879][T10239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.200881][T10239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.200883][T10239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.200884][T10239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.200892][T10239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.200894][T10239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.200897][T10239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.200898][T10239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  598.200903][T10239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  598.200904][T10239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.200908][T10239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.200911][T10239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.200913][T10239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  598.200920][T10239]  ? 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))
[  598.200922][T10239]  ? 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))
[  598.200926][T10239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.200930][T10239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  598.200932][T10239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  598.200936][T10239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.200940][T10239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  598.200944][T10239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  598.200946][T10239]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  598.200951][T10239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.200954][T10239]  ____sys_sendmsg (net/socket.c:2713)
[  598.200956][T10239]  ? copy_msghdr_from_user (net/socket.c:2650)
[  598.200958][T10239]  ? sock_write_iter (net/socket.c:1269)
[  598.200960][T10239]  ? move_addr_to_kernel (net/socket.c:258)
[  598.200967][T10239]  ___sys_sendmsg (net/socket.c:2767)
[  598.200970][T10239]  ? copy_msghdr_from_user (net/socket.c:2619)
[  598.200985][T10239]  __sys_sendmsg (net/socket.c:2799)
[  598.200988][T10239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  598.200994][T10239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.200997][T10239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.201000][T10239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  598.201003][T10239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.201005][T10239] RIP: 0033:0x7f0f275a854e
[  598.201008][T10239] 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
[  598.201010][T10239] RSP: 002b:00007ffd7467d1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  598.201013][T10239] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0f275a854e
[  598.201014][T10239] RDX: 0000000000000000 RSI: 00007ffd7467d2a0 RDI: 0000000000000005
[  598.201015][T10239] RBP: 00007ffd7467d200 R08: 0000000000000000 R09: 0000000000000000
[  598.201016][T10239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9166fc
[  598.201017][T10239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7467d970
| [  607.080939][T10382] softirqs last disabled at (24876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  607.080942][T10382] Preemption disabled at:
| [  607.080942][T10382] vprintk_emit (kernel/printk/printk.c:2471)
| [  607.080951][T10382] Tainted: [W]=WARN
[  607.080952][T10382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  607.080953][T10382] Call Trace:
[  607.080955][T10382]  <TASK>
[  607.080957][T10382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  607.080963][T10382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  607.080964][T10382]  __might_resched.cold (kernel/sched/core.c:9234)
[  607.080969][T10382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  607.080973][T10382]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  607.080977][T10382]  __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))
[  607.080979][T10382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.080987][T10382]  ? 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)
[  607.080989][T10382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.080993][T10382]  put_chars (drivers/char/virtio_console.c:1176)
[  607.080996][T10382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  607.081002][T10382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  607.081010][T10382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  607.081013][T10382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.081018][T10382]  console_emit_next_record (kernel/printk/printk.c:3183)
[  607.081022][T10382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  607.081024][T10382]  ? 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))
[  607.081027][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081030][T10382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.081034][T10382]  console_flush_one_record (kernel/printk/printk.c:3268)
[  607.081038][T10382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  607.081040][T10382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.081045][T10382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  607.081048][T10382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  607.081050][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081052][T10382]  ? 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)
[  607.081056][T10382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  607.081057][T10382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  607.081060][T10382]  vprintk_emit (kernel/printk/printk.c:2479)
[  607.081063][T10382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  607.081066][T10382]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  607.081071][T10382]  _printk (kernel/printk/printk.c:2504)
[  607.081075][T10382]  ? snapshot_read.cold (user.c:?)
[  607.081077][T10382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  607.081080][T10382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  607.081083][T10382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  607.081085][T10382]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  607.081089][T10382]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  607.081091][T10382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.081094][T10382]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  607.081097][T10382]  ? netdev_notice (net/core/dev.c:13194)
[  607.081100][T10382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.081103][T10382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  607.081105][T10382]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  607.081109][T10382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.081111][T10382]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  607.081113][T10382]  ? register_netdev (net/core/dev.c:11618)
[  607.081115][T10382]  ? 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))
[  607.081123][T10382]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  607.081126][T10382]  ? __kernel_text_address (kernel/extable.c:79)
[  607.081128][T10382]  ? write_profile (profile.c:?)
[  607.081132][T10382]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  607.081138][T10382]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  607.081142][T10382]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  607.081144][T10382]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  607.081145][T10382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  607.081147][T10382]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  607.081150][T10382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  607.081153][T10382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  607.081154][T10382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  607.081157][T10382]  ? kasan_save_stack (mm/kasan/common.c:58)
[  607.081159][T10382]  ? kasan_save_stack (mm/kasan/common.c:57)
[  607.081160][T10382]  ? kasan_save_track (mm/kasan/common.c:78)
[  607.081161][T10382]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  607.081164][T10382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.081166][T10382]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  607.081169][T10382]  ? ___sys_sendmsg (net/socket.c:2758)
[  607.081173][T10382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  607.081175][T10382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  607.081178][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081180][T10382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.081182][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081183][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081184][T10382]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  607.081187][T10382]  ? __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)
[  607.081188][T10382]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  607.081190][T10382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  607.081193][T10382]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  607.081195][T10382]  ? nla_get_range_signed (lib/nlattr.c:270)
[  607.081200][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081204][T10382]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  607.081213][T10382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  607.081222][T10382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.081225][T10382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.081230][T10382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  607.081232][T10382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.081234][T10382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.081236][T10382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  607.081240][T10382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.081242][T10382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  607.081245][T10382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.081247][T10382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  607.081251][T10382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  607.081253][T10382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.081257][T10382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  607.081260][T10382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.081263][T10382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  607.081269][T10382]  ? 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))
[  607.081271][T10382]  ? 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))
[  607.081276][T10382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  607.081280][T10382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  607.081283][T10382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  607.081287][T10382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  607.081291][T10382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  607.081295][T10382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  607.081297][T10382]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  607.081302][T10382]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  607.081305][T10382]  ____sys_sendmsg (net/socket.c:2713)
[  607.081307][T10382]  ? copy_msghdr_from_user (net/socket.c:2650)
[  607.081310][T10382]  ? sock_write_iter (net/socket.c:1269)
[  607.081311][T10382]  ? move_addr_to_kernel (net/socket.c:258)
[  607.081319][T10382]  ___sys_sendmsg (net/socket.c:2767)
[  607.081322][T10382]  ? copy_msghdr_from_user (net/socket.c:2619)
[  607.081338][T10382]  __sys_sendmsg (net/socket.c:2799)
[  607.081341][T10382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  607.081347][T10382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.081350][T10382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  607.081353][T10382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  607.081356][T10382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  607.081358][T10382] RIP: 0033:0x7fe20324a54e
[  607.081362][T10382] 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
[  607.081364][T10382] RSP: 002b:00007ffe0d7e6b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  607.081367][T10382] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe20324a54e
[  607.081368][T10382] RDX: 0000000000000000 RSI: 00007ffe0d7e6c30 RDI: 0000000000000005
[  607.081369][T10382] RBP: 00007ffe0d7e6b90 R08: 0000000000000000 R09: 0000000000000000
[  607.081370][T10382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916705
[  607.081371][T10382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0d7e7300
| [  615.999707][T10525] softirqs last disabled at (30924): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  615.999710][T10525] Preemption disabled at:
| [  615.999710][T10525] vprintk_emit (kernel/printk/printk.c:2471)
| [  615.999719][T10525] Tainted: [W]=WARN
[  615.999720][T10525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  615.999721][T10525] Call Trace:
[  615.999723][T10525]  <TASK>
[  615.999725][T10525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  615.999731][T10525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  615.999733][T10525]  __might_resched.cold (kernel/sched/core.c:9234)
[  615.999737][T10525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  615.999741][T10525]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  615.999746][T10525]  __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))
[  615.999748][T10525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.999755][T10525]  ? 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)
[  615.999758][T10525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.999762][T10525]  put_chars (drivers/char/virtio_console.c:1176)
[  615.999764][T10525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  615.999770][T10525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  615.999778][T10525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  615.999782][T10525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.999786][T10525]  console_emit_next_record (kernel/printk/printk.c:3183)
[  615.999790][T10525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  615.999792][T10525]  ? 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))
[  615.999796][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.999798][T10525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.999802][T10525]  console_flush_one_record (kernel/printk/printk.c:3268)
[  615.999807][T10525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  615.999809][T10525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.999814][T10525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  615.999817][T10525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  615.999819][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.999821][T10525]  ? 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)
[  615.999824][T10525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  615.999826][T10525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  615.999829][T10525]  vprintk_emit (kernel/printk/printk.c:2479)
[  615.999832][T10525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  615.999835][T10525]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  615.999840][T10525]  _printk (kernel/printk/printk.c:2504)
[  615.999844][T10525]  ? snapshot_read.cold (user.c:?)
[  615.999846][T10525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  615.999849][T10525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  615.999852][T10525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  615.999854][T10525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  615.999858][T10525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  615.999861][T10525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.999863][T10525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  615.999866][T10525]  ? netdev_notice (net/core/dev.c:13194)
[  615.999869][T10525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  615.999872][T10525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  615.999874][T10525]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  615.999878][T10525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.999880][T10525]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  615.999882][T10525]  ? register_netdev (net/core/dev.c:11618)
[  615.999884][T10525]  ? 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))
[  615.999889][T10525]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  615.999892][T10525]  ? __kernel_text_address (kernel/extable.c:79)
[  615.999894][T10525]  ? write_profile (profile.c:?)
[  615.999898][T10525]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  615.999904][T10525]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.999907][T10525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  615.999910][T10525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  615.999911][T10525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  615.999913][T10525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  615.999916][T10525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  615.999918][T10525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  615.999925][T10525]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  615.999928][T10525]  ? kasan_save_stack (mm/kasan/common.c:58)
[  615.999930][T10525]  ? kasan_save_stack (mm/kasan/common.c:57)
[  615.999931][T10525]  ? kasan_save_track (mm/kasan/common.c:78)
[  615.999932][T10525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  615.999935][T10525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.999937][T10525]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  615.999940][T10525]  ? ___sys_sendmsg (net/socket.c:2758)
[  615.999944][T10525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  615.999946][T10525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  615.999949][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.999951][T10525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.999952][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.999953][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.999955][T10525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  615.999958][T10525]  ? __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)
[  615.999959][T10525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  615.999961][T10525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  615.999964][T10525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  615.999965][T10525]  ? nla_get_range_signed (lib/nlattr.c:270)
[  615.999971][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.999973][T10525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  615.999978][T10525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  615.999984][T10525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.999986][T10525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  615.999990][T10525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  615.999992][T10525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  615.999994][T10525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.999996][T10525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.000000][T10525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  616.000002][T10525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  616.000005][T10525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.000007][T10525]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  616.000011][T10525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  616.000014][T10525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.000017][T10525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  616.000020][T10525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  616.000023][T10525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  616.000030][T10525]  ? 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))
[  616.000032][T10525]  ? 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))
[  616.000036][T10525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  616.000040][T10525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  616.000043][T10525]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  616.000047][T10525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  616.000051][T10525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  616.000055][T10525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  616.000057][T10525]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  616.000062][T10525]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  616.000065][T10525]  ____sys_sendmsg (net/socket.c:2713)
[  616.000068][T10525]  ? copy_msghdr_from_user (net/socket.c:2650)
[  616.000070][T10525]  ? sock_write_iter (net/socket.c:1269)
[  616.000072][T10525]  ? move_addr_to_kernel (net/socket.c:258)
[  616.000079][T10525]  ___sys_sendmsg (net/socket.c:2767)
[  616.000082][T10525]  ? copy_msghdr_from_user (net/socket.c:2619)
[  616.000098][T10525]  __sys_sendmsg (net/socket.c:2799)
[  616.000101][T10525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  616.000107][T10525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.000110][T10525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  616.000114][T10525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  616.000119][T10525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  616.000122][T10525] RIP: 0033:0x7f6be140854e
[  616.000126][T10525] 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
[  616.000128][T10525] RSP: 002b:00007fff0ca290c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  616.000130][T10525] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6be140854e
[  616.000132][T10525] RDX: 0000000000000000 RSI: 00007fff0ca29170 RDI: 0000000000000005
[  616.000133][T10525] RBP: 00007fff0ca290d0 R08: 0000000000000000 R09: 0000000000000000
[  616.000134][T10525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91670e
[  616.000135][T10525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0ca29840
| [  624.829814][T10668] softirqs last disabled at (24386): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  624.829817][T10668] Preemption disabled at:
| [  624.829818][T10668] vprintk_emit (kernel/printk/printk.c:2471)
| [  624.829826][T10668] Tainted: [W]=WARN
[  624.829827][T10668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  624.829829][T10668] Call Trace:
[  624.829831][T10668]  <TASK>
[  624.829832][T10668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  624.829838][T10668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  624.829840][T10668]  __might_resched.cold (kernel/sched/core.c:9234)
[  624.829844][T10668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  624.829849][T10668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  624.829853][T10668]  __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))
[  624.829855][T10668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.829862][T10668]  ? 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)
[  624.829864][T10668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.829868][T10668]  put_chars (drivers/char/virtio_console.c:1176)
[  624.829871][T10668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  624.829877][T10668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  624.829885][T10668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  624.829888][T10668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.829893][T10668]  console_emit_next_record (kernel/printk/printk.c:3183)
[  624.829897][T10668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  624.829899][T10668]  ? 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))
[  624.829902][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.829905][T10668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.829909][T10668]  console_flush_one_record (kernel/printk/printk.c:3268)
[  624.829913][T10668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  624.829915][T10668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.829921][T10668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  624.829924][T10668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  624.829926][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.829927][T10668]  ? 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)
[  624.829931][T10668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  624.829933][T10668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  624.829941][T10668]  vprintk_emit (kernel/printk/printk.c:2479)
[  624.829945][T10668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  624.829948][T10668]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  624.829953][T10668]  _printk (kernel/printk/printk.c:2504)
[  624.829957][T10668]  ? snapshot_read.cold (user.c:?)
[  624.829958][T10668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  624.829961][T10668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  624.829964][T10668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  624.829966][T10668]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  624.829970][T10668]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  624.829973][T10668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  624.829975][T10668]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  624.829978][T10668]  ? netdev_notice (net/core/dev.c:13194)
[  624.829981][T10668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.829984][T10668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  624.829987][T10668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  624.829990][T10668]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  624.829992][T10668]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  624.829995][T10668]  ? register_netdev (net/core/dev.c:11618)
[  624.829996][T10668]  ? 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))
[  624.830001][T10668]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  624.830004][T10668]  ? __kernel_text_address (kernel/extable.c:79)
[  624.830007][T10668]  ? write_profile (profile.c:?)
[  624.830011][T10668]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  624.830017][T10668]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  624.830020][T10668]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  624.830022][T10668]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  624.830023][T10668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  624.830025][T10668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  624.830029][T10668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  624.830031][T10668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  624.830033][T10668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  624.830035][T10668]  ? kasan_save_stack (mm/kasan/common.c:58)
[  624.830037][T10668]  ? kasan_save_stack (mm/kasan/common.c:57)
[  624.830039][T10668]  ? kasan_save_track (mm/kasan/common.c:78)
[  624.830040][T10668]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  624.830042][T10668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.830044][T10668]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  624.830047][T10668]  ? ___sys_sendmsg (net/socket.c:2758)
[  624.830051][T10668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  624.830053][T10668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  624.830056][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.830058][T10668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.830059][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.830060][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.830062][T10668]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  624.830064][T10668]  ? __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)
[  624.830066][T10668]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  624.830068][T10668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  624.830071][T10668]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  624.830072][T10668]  ? nla_get_range_signed (lib/nlattr.c:270)
[  624.830077][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.830079][T10668]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  624.830084][T10668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  624.830089][T10668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.830091][T10668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.830096][T10668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  624.830098][T10668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.830100][T10668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.830102][T10668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  624.830106][T10668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.830108][T10668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  624.830111][T10668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  624.830112][T10668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  624.830119][T10668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  624.830121][T10668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.830125][T10668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  624.830128][T10668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  624.830131][T10668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  624.830137][T10668]  ? 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))
[  624.830139][T10668]  ? 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))
[  624.830144][T10668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  624.830148][T10668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  624.830150][T10668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  624.830155][T10668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  624.830159][T10668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  624.830162][T10668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  624.830164][T10668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  624.830170][T10668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  624.830172][T10668]  ____sys_sendmsg (net/socket.c:2713)
[  624.830175][T10668]  ? copy_msghdr_from_user (net/socket.c:2650)
[  624.830177][T10668]  ? sock_write_iter (net/socket.c:1269)
[  624.830179][T10668]  ? move_addr_to_kernel (net/socket.c:258)
[  624.830186][T10668]  ___sys_sendmsg (net/socket.c:2767)
[  624.830189][T10668]  ? copy_msghdr_from_user (net/socket.c:2619)
[  624.830209][T10668]  __sys_sendmsg (net/socket.c:2799)
[  624.830213][T10668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  624.830219][T10668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.830222][T10668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  624.830225][T10668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  624.830228][T10668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  624.830230][T10668] RIP: 0033:0x7fec85d8a54e
[  624.830234][T10668] 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
[  624.830236][T10668] RSP: 002b:00007fff6fa1f300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  624.830239][T10668] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fec85d8a54e
[  624.830240][T10668] RDX: 0000000000000000 RSI: 00007fff6fa1f3b0 RDI: 0000000000000005
[  624.830241][T10668] RBP: 00007fff6fa1f310 R08: 0000000000000000 R09: 0000000000000000
[  624.830242][T10668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916717
[  624.830243][T10668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6fa1fa80
| [  633.670732][T10811] softirqs last disabled at (16468): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  633.670735][T10811] Preemption disabled at:
| [  633.670735][T10811] vprintk_emit (kernel/printk/printk.c:2471)
| [  633.670744][T10811] Tainted: [W]=WARN
[  633.670745][T10811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  633.670746][T10811] Call Trace:
[  633.670748][T10811]  <TASK>
[  633.670749][T10811]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  633.670755][T10811]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  633.670757][T10811]  __might_resched.cold (kernel/sched/core.c:9234)
[  633.670762][T10811]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  633.670766][T10811]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  633.670771][T10811]  __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))
[  633.670773][T10811]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  633.670780][T10811]  ? 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)
[  633.670783][T10811]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  633.670786][T10811]  put_chars (drivers/char/virtio_console.c:1176)
[  633.670789][T10811]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  633.670795][T10811]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  633.670803][T10811]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  633.670806][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.670811][T10811]  console_emit_next_record (kernel/printk/printk.c:3183)
[  633.670815][T10811]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  633.670817][T10811]  ? 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))
[  633.670820][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.670823][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.670827][T10811]  console_flush_one_record (kernel/printk/printk.c:3268)
[  633.670832][T10811]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  633.670834][T10811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  633.670839][T10811]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  633.670842][T10811]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  633.670844][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.670846][T10811]  ? 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)
[  633.670850][T10811]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  633.670852][T10811]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  633.670854][T10811]  vprintk_emit (kernel/printk/printk.c:2479)
[  633.670858][T10811]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  633.670860][T10811]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  633.670865][T10811]  _printk (kernel/printk/printk.c:2504)
[  633.670869][T10811]  ? snapshot_read.cold (user.c:?)
[  633.670871][T10811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  633.670874][T10811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  633.670876][T10811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  633.670879][T10811]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  633.670883][T10811]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  633.670885][T10811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  633.670888][T10811]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  633.670891][T10811]  ? netdev_notice (net/core/dev.c:13194)
[  633.670893][T10811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  633.670897][T10811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  633.670899][T10811]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  633.670903][T10811]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  633.670905][T10811]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  633.670907][T10811]  ? register_netdev (net/core/dev.c:11618)
[  633.670909][T10811]  ? 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))
[  633.670914][T10811]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  633.670917][T10811]  ? __kernel_text_address (kernel/extable.c:79)
[  633.670919][T10811]  ? write_profile (profile.c:?)
[  633.670924][T10811]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  633.670929][T10811]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  633.670933][T10811]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  633.670935][T10811]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  633.670936][T10811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  633.670938][T10811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  633.670942][T10811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  633.670943][T10811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  633.670945][T10811]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  633.670948][T10811]  ? kasan_save_stack (mm/kasan/common.c:58)
[  633.670950][T10811]  ? kasan_save_stack (mm/kasan/common.c:57)
[  633.670951][T10811]  ? kasan_save_track (mm/kasan/common.c:78)
[  633.670958][T10811]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  633.670960][T10811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  633.670962][T10811]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  633.670966][T10811]  ? ___sys_sendmsg (net/socket.c:2758)
[  633.670970][T10811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  633.670972][T10811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  633.670974][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.670976][T10811]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.670978][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.670979][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.670981][T10811]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  633.670983][T10811]  ? __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)
[  633.670984][T10811]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  633.670986][T10811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  633.670990][T10811]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  633.670991][T10811]  ? nla_get_range_signed (lib/nlattr.c:270)
[  633.670996][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.670998][T10811]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  633.671003][T10811]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  633.671009][T10811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.671011][T10811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  633.671015][T10811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  633.671017][T10811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  633.671019][T10811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.671021][T10811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  633.671025][T10811]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.671027][T10811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  633.671030][T10811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  633.671032][T10811]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  633.671037][T10811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  633.671038][T10811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  633.671042][T10811]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  633.671045][T10811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  633.671048][T10811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  633.671055][T10811]  ? 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))
[  633.671057][T10811]  ? 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))
[  633.671061][T10811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  633.671065][T10811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  633.671068][T10811]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  633.671072][T10811]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  633.671076][T10811]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  633.671080][T10811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  633.671082][T10811]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  633.671087][T10811]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  633.671090][T10811]  ____sys_sendmsg (net/socket.c:2713)
[  633.671092][T10811]  ? copy_msghdr_from_user (net/socket.c:2650)
[  633.671095][T10811]  ? sock_write_iter (net/socket.c:1269)
[  633.671096][T10811]  ? move_addr_to_kernel (net/socket.c:258)
[  633.671104][T10811]  ___sys_sendmsg (net/socket.c:2767)
[  633.671107][T10811]  ? copy_msghdr_from_user (net/socket.c:2619)
[  633.671125][T10811]  __sys_sendmsg (net/socket.c:2799)
[  633.671128][T10811]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  633.671134][T10811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.671137][T10811]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  633.671140][T10811]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  633.671143][T10811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  633.671145][T10811] RIP: 0033:0x7f5089bdc54e
[  633.671149][T10811] 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
[  633.671151][T10811] RSP: 002b:00007ffe86adb340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  633.671154][T10811] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5089bdc54e
[  633.671155][T10811] RDX: 0000000000000000 RSI: 00007ffe86adb3f0 RDI: 0000000000000005
[  633.671156][T10811] RBP: 00007ffe86adb350 R08: 0000000000000000 R09: 0000000000000000
[  633.671157][T10811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91671f
[  633.671158][T10811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe86adbac0
| [  642.631750][T10954] softirqs last disabled at (18372): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  642.631753][T10954] Preemption disabled at:
| [  642.631754][T10954] vprintk_emit (kernel/printk/printk.c:2471)
| [  642.631762][T10954] Tainted: [W]=WARN
[  642.631764][T10954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  642.631765][T10954] Call Trace:
[  642.631767][T10954]  <TASK>
[  642.631769][T10954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  642.631775][T10954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  642.631777][T10954]  __might_resched.cold (kernel/sched/core.c:9234)
[  642.631781][T10954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  642.631786][T10954]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  642.631790][T10954]  __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))
[  642.631792][T10954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.631799][T10954]  ? 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)
[  642.631802][T10954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.631806][T10954]  put_chars (drivers/char/virtio_console.c:1176)
[  642.631808][T10954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  642.631814][T10954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  642.631822][T10954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  642.631825][T10954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.631830][T10954]  console_emit_next_record (kernel/printk/printk.c:3183)
[  642.631834][T10954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  642.631836][T10954]  ? 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))
[  642.631839][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.631842][T10954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.631846][T10954]  console_flush_one_record (kernel/printk/printk.c:3268)
[  642.631850][T10954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  642.631852][T10954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.631858][T10954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  642.631861][T10954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  642.631863][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.631864][T10954]  ? 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)
[  642.631868][T10954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  642.631870][T10954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  642.631873][T10954]  vprintk_emit (kernel/printk/printk.c:2479)
[  642.631876][T10954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  642.631878][T10954]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  642.631884][T10954]  _printk (kernel/printk/printk.c:2504)
[  642.631887][T10954]  ? snapshot_read.cold (user.c:?)
[  642.631889][T10954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  642.631892][T10954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  642.631895][T10954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  642.631897][T10954]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  642.631900][T10954]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  642.631903][T10954]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.631906][T10954]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  642.631908][T10954]  ? netdev_notice (net/core/dev.c:13194)
[  642.631911][T10954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.631915][T10954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  642.631917][T10954]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  642.631921][T10954]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.631923][T10954]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  642.631925][T10954]  ? register_netdev (net/core/dev.c:11618)
[  642.631927][T10954]  ? 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))
[  642.631932][T10954]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  642.631935][T10954]  ? __kernel_text_address (kernel/extable.c:79)
[  642.631937][T10954]  ? write_profile (profile.c:?)
[  642.631941][T10954]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  642.631947][T10954]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.631951][T10954]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  642.631953][T10954]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  642.631954][T10954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  642.631956][T10954]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  642.631960][T10954]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  642.631962][T10954]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  642.631964][T10954]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  642.631966][T10954]  ? kasan_save_stack (mm/kasan/common.c:58)
[  642.631973][T10954]  ? kasan_save_stack (mm/kasan/common.c:57)
[  642.631974][T10954]  ? kasan_save_track (mm/kasan/common.c:78)
[  642.631975][T10954]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  642.631978][T10954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.631980][T10954]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  642.631983][T10954]  ? ___sys_sendmsg (net/socket.c:2758)
[  642.631987][T10954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  642.631989][T10954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  642.631992][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.631993][T10954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.631995][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.631996][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.631998][T10954]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  642.632000][T10954]  ? __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)
[  642.632002][T10954]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  642.632003][T10954]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  642.632007][T10954]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  642.632008][T10954]  ? nla_get_range_signed (lib/nlattr.c:270)
[  642.632013][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.632016][T10954]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  642.632021][T10954]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.632026][T10954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.632028][T10954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.632033][T10954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  642.632035][T10954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.632037][T10954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.632039][T10954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  642.632042][T10954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.632044][T10954]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  642.632048][T10954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.632049][T10954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  642.632054][T10954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  642.632056][T10954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.632059][T10954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  642.632062][T10954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.632065][T10954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  642.632072][T10954]  ? 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))
[  642.632074][T10954]  ? 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))
[  642.632078][T10954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  642.632082][T10954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  642.632085][T10954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  642.632089][T10954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  642.632093][T10954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  642.632097][T10954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  642.632099][T10954]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  642.632104][T10954]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  642.632107][T10954]  ____sys_sendmsg (net/socket.c:2713)
[  642.632110][T10954]  ? copy_msghdr_from_user (net/socket.c:2650)
[  642.632112][T10954]  ? sock_write_iter (net/socket.c:1269)
[  642.632114][T10954]  ? move_addr_to_kernel (net/socket.c:258)
[  642.632124][T10954]  ___sys_sendmsg (net/socket.c:2767)
[  642.632127][T10954]  ? copy_msghdr_from_user (net/socket.c:2619)
[  642.632143][T10954]  __sys_sendmsg (net/socket.c:2799)
[  642.632146][T10954]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  642.632152][T10954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.632155][T10954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  642.632158][T10954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  642.632161][T10954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.632163][T10954] RIP: 0033:0x7fc87e16654e
[  642.632167][T10954] 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
[  642.632169][T10954] RSP: 002b:00007fff2b331860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  642.632172][T10954] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc87e16654e
[  642.632174][T10954] RDX: 0000000000000000 RSI: 00007fff2b331910 RDI: 0000000000000005
[  642.632175][T10954] RBP: 00007fff2b331870 R08: 0000000000000000 R09: 0000000000000000
[  642.632176][T10954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916728
[  642.632177][T10954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2b331fe0
| [  651.541705][T11097] softirqs last disabled at (23586): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  651.541708][T11097] Preemption disabled at:
| [  651.541709][T11097] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.541717][T11097] Tainted: [W]=WARN
[  651.541718][T11097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.541720][T11097] Call Trace:
[  651.541721][T11097]  <TASK>
[  651.541723][T11097]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.541729][T11097]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.541731][T11097]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.541735][T11097]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.541739][T11097]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  651.541744][T11097]  __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))
[  651.541746][T11097]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.541753][T11097]  ? 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)
[  651.541756][T11097]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.541760][T11097]  put_chars (drivers/char/virtio_console.c:1176)
[  651.541762][T11097]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.541769][T11097]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.541776][T11097]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.541780][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.541784][T11097]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.541789][T11097]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.541791][T11097]  ? 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))
[  651.541794][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.541797][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.541801][T11097]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.541805][T11097]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.541807][T11097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.541813][T11097]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.541816][T11097]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.541818][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.541819][T11097]  ? 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)
[  651.541823][T11097]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.541825][T11097]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.541828][T11097]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.541831][T11097]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.541834][T11097]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  651.541839][T11097]  _printk (kernel/printk/printk.c:2504)
[  651.541843][T11097]  ? snapshot_read.cold (user.c:?)
[  651.541845][T11097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  651.541848][T11097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  651.541850][T11097]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  651.541853][T11097]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  651.541857][T11097]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  651.541859][T11097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.541862][T11097]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  651.541865][T11097]  ? netdev_notice (net/core/dev.c:13194)
[  651.541868][T11097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.541871][T11097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  651.541873][T11097]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  651.541877][T11097]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.541879][T11097]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  651.541881][T11097]  ? register_netdev (net/core/dev.c:11618)
[  651.541883][T11097]  ? 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))
[  651.541889][T11097]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  651.541891][T11097]  ? __kernel_text_address (kernel/extable.c:79)
[  651.541894][T11097]  ? write_profile (profile.c:?)
[  651.541898][T11097]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  651.541904][T11097]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.541907][T11097]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  651.541910][T11097]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  651.541911][T11097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  651.541913][T11097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  651.541916][T11097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  651.541918][T11097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  651.541920][T11097]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  651.541923][T11097]  ? kasan_save_stack (mm/kasan/common.c:58)
[  651.541924][T11097]  ? kasan_save_stack (mm/kasan/common.c:57)
[  651.541926][T11097]  ? kasan_save_track (mm/kasan/common.c:78)
[  651.541927][T11097]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  651.541929][T11097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.541931][T11097]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  651.541935][T11097]  ? ___sys_sendmsg (net/socket.c:2758)
[  651.541939][T11097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  651.541941][T11097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  651.541944][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.541945][T11097]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.541947][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.541948][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.541950][T11097]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  651.541952][T11097]  ? __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)
[  651.541954][T11097]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  651.541956][T11097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  651.541959][T11097]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  651.541960][T11097]  ? nla_get_range_signed (lib/nlattr.c:270)
[  651.541965][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.541968][T11097]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  651.541973][T11097]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.541979][T11097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.541981][T11097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.541990][T11097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  651.541993][T11097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.541995][T11097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.541997][T11097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  651.542000][T11097]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.542003][T11097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.542006][T11097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.542007][T11097]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  651.542012][T11097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  651.542014][T11097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.542017][T11097]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.542021][T11097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.542024][T11097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.542030][T11097]  ? 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))
[  651.542032][T11097]  ? 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))
[  651.542037][T11097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.542041][T11097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.542044][T11097]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  651.542048][T11097]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.542052][T11097]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.542056][T11097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  651.542058][T11097]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.542063][T11097]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.542066][T11097]  ____sys_sendmsg (net/socket.c:2713)
[  651.542068][T11097]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.542071][T11097]  ? sock_write_iter (net/socket.c:1269)
[  651.542072][T11097]  ? move_addr_to_kernel (net/socket.c:258)
[  651.542080][T11097]  ___sys_sendmsg (net/socket.c:2767)
[  651.542083][T11097]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.542099][T11097]  __sys_sendmsg (net/socket.c:2799)
[  651.542102][T11097]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.542109][T11097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.542112][T11097]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.542115][T11097]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.542121][T11097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.542123][T11097] RIP: 0033:0x7f8b3fdec54e
[  651.542127][T11097] 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
[  651.542129][T11097] RSP: 002b:00007ffc5fb1fce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.542132][T11097] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8b3fdec54e
[  651.542134][T11097] RDX: 0000000000000000 RSI: 00007ffc5fb1fd90 RDI: 0000000000000005
[  651.542135][T11097] RBP: 00007ffc5fb1fcf0 R08: 0000000000000000 R09: 0000000000000000
[  651.542135][T11097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916731
[  651.542136][T11097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5fb20460
| [  660.483761][T11240] softirqs last disabled at (22300): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  660.483764][T11240] Preemption disabled at:
| [  660.483764][T11240] vprintk_emit (kernel/printk/printk.c:2471)
| [  660.483773][T11240] Tainted: [W]=WARN
[  660.483774][T11240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  660.483775][T11240] Call Trace:
[  660.483777][T11240]  <TASK>
[  660.483779][T11240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  660.483785][T11240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  660.483786][T11240]  __might_resched.cold (kernel/sched/core.c:9234)
[  660.483791][T11240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  660.483795][T11240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  660.483800][T11240]  __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))
[  660.483802][T11240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.483808][T11240]  ? 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)
[  660.483811][T11240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.483815][T11240]  put_chars (drivers/char/virtio_console.c:1176)
[  660.483818][T11240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  660.483824][T11240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  660.483832][T11240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  660.483835][T11240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.483839][T11240]  console_emit_next_record (kernel/printk/printk.c:3183)
[  660.483844][T11240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  660.483845][T11240]  ? 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))
[  660.483849][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.483851][T11240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.483856][T11240]  console_flush_one_record (kernel/printk/printk.c:3268)
[  660.483860][T11240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  660.483862][T11240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.483867][T11240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  660.483870][T11240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  660.483872][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.483874][T11240]  ? 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)
[  660.483878][T11240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  660.483880][T11240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  660.483883][T11240]  vprintk_emit (kernel/printk/printk.c:2479)
[  660.483886][T11240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  660.483889][T11240]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  660.483894][T11240]  _printk (kernel/printk/printk.c:2504)
[  660.483898][T11240]  ? snapshot_read.cold (user.c:?)
[  660.483899][T11240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  660.483902][T11240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  660.483905][T11240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  660.483907][T11240]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  660.483911][T11240]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  660.483914][T11240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  660.483916][T11240]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  660.483919][T11240]  ? netdev_notice (net/core/dev.c:13194)
[  660.483922][T11240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.483925][T11240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  660.483928][T11240]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  660.483932][T11240]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  660.483934][T11240]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  660.483936][T11240]  ? register_netdev (net/core/dev.c:11618)
[  660.483937][T11240]  ? 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))
[  660.483943][T11240]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  660.483945][T11240]  ? __kernel_text_address (kernel/extable.c:79)
[  660.483948][T11240]  ? write_profile (profile.c:?)
[  660.483952][T11240]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  660.483958][T11240]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  660.483961][T11240]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  660.483963][T11240]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  660.483965][T11240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  660.483967][T11240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  660.483970][T11240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  660.483972][T11240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  660.483974][T11240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  660.483976][T11240]  ? kasan_save_stack (mm/kasan/common.c:58)
[  660.483978][T11240]  ? kasan_save_stack (mm/kasan/common.c:57)
[  660.483979][T11240]  ? kasan_save_track (mm/kasan/common.c:78)
[  660.483981][T11240]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  660.483983][T11240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.483985][T11240]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  660.483988][T11240]  ? ___sys_sendmsg (net/socket.c:2758)
[  660.483992][T11240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  660.483994][T11240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  660.483997][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.484004][T11240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.484006][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.484007][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.484009][T11240]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  660.484011][T11240]  ? __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)
[  660.484012][T11240]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  660.484014][T11240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  660.484018][T11240]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  660.484019][T11240]  ? nla_get_range_signed (lib/nlattr.c:270)
[  660.484024][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.484026][T11240]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  660.484032][T11240]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  660.484037][T11240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.484039][T11240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.484044][T11240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  660.484046][T11240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.484048][T11240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.484050][T11240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  660.484053][T11240]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.484056][T11240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  660.484059][T11240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.484060][T11240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  660.484065][T11240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  660.484067][T11240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.484070][T11240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  660.484074][T11240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.484077][T11240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  660.484083][T11240]  ? 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))
[  660.484085][T11240]  ? 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))
[  660.484090][T11240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  660.484094][T11240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  660.484096][T11240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  660.484101][T11240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  660.484105][T11240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  660.484109][T11240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  660.484110][T11240]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  660.484119][T11240]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  660.484122][T11240]  ____sys_sendmsg (net/socket.c:2713)
[  660.484124][T11240]  ? copy_msghdr_from_user (net/socket.c:2650)
[  660.484126][T11240]  ? sock_write_iter (net/socket.c:1269)
[  660.484128][T11240]  ? move_addr_to_kernel (net/socket.c:258)
[  660.484135][T11240]  ___sys_sendmsg (net/socket.c:2767)
[  660.484138][T11240]  ? copy_msghdr_from_user (net/socket.c:2619)
[  660.484154][T11240]  __sys_sendmsg (net/socket.c:2799)
[  660.484157][T11240]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  660.484163][T11240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.484166][T11240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  660.484169][T11240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  660.484172][T11240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  660.484175][T11240] RIP: 0033:0x7fc6ce24654e
[  660.484178][T11240] 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
[  660.484181][T11240] RSP: 002b:00007ffcc75eb510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  660.484183][T11240] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc6ce24654e
[  660.484185][T11240] RDX: 0000000000000000 RSI: 00007ffcc75eb5c0 RDI: 0000000000000005
[  660.484186][T11240] RBP: 00007ffcc75eb520 R08: 0000000000000000 R09: 0000000000000000
[  660.484187][T11240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91673a
[  660.484188][T11240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc75ebc90
| [  669.338801][T11383] softirqs last disabled at (19064): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  669.338804][T11383] Preemption disabled at:
| [  669.338804][T11383] vprintk_emit (kernel/printk/printk.c:2471)
| [  669.338813][T11383] Tainted: [W]=WARN
[  669.338814][T11383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  669.338816][T11383] Call Trace:
[  669.338817][T11383]  <TASK>
[  669.338819][T11383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  669.338825][T11383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  669.338826][T11383]  __might_resched.cold (kernel/sched/core.c:9234)
[  669.338831][T11383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  669.338835][T11383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  669.338840][T11383]  __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))
[  669.338842][T11383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.338848][T11383]  ? 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)
[  669.338851][T11383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.338855][T11383]  put_chars (drivers/char/virtio_console.c:1176)
[  669.338858][T11383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  669.338864][T11383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  669.338872][T11383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  669.338875][T11383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.338880][T11383]  console_emit_next_record (kernel/printk/printk.c:3183)
[  669.338884][T11383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  669.338886][T11383]  ? 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))
[  669.338889][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.338892][T11383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.338896][T11383]  console_flush_one_record (kernel/printk/printk.c:3268)
[  669.338901][T11383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  669.338903][T11383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.338908][T11383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  669.338911][T11383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  669.338913][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.338915][T11383]  ? 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)
[  669.338919][T11383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  669.338920][T11383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  669.338923][T11383]  vprintk_emit (kernel/printk/printk.c:2479)
[  669.338926][T11383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  669.338929][T11383]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  669.338934][T11383]  _printk (kernel/printk/printk.c:2504)
[  669.338938][T11383]  ? snapshot_read.cold (user.c:?)
[  669.338940][T11383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  669.338942][T11383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  669.338945][T11383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  669.338947][T11383]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  669.338951][T11383]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  669.338954][T11383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.338956][T11383]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  669.338959][T11383]  ? netdev_notice (net/core/dev.c:13194)
[  669.338962][T11383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.338966][T11383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  669.338968][T11383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  669.338972][T11383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.338974][T11383]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  669.338976][T11383]  ? register_netdev (net/core/dev.c:11618)
[  669.338978][T11383]  ? 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))
[  669.338983][T11383]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  669.338986][T11383]  ? __kernel_text_address (kernel/extable.c:79)
[  669.338989][T11383]  ? write_profile (profile.c:?)
[  669.338993][T11383]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  669.338999][T11383]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  669.339002][T11383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  669.339004][T11383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  669.339006][T11383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  669.339008][T11383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  669.339011][T11383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  669.339013][T11383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  669.339020][T11383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  669.339022][T11383]  ? kasan_save_stack (mm/kasan/common.c:58)
[  669.339024][T11383]  ? kasan_save_stack (mm/kasan/common.c:57)
[  669.339026][T11383]  ? kasan_save_track (mm/kasan/common.c:78)
[  669.339027][T11383]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  669.339029][T11383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.339031][T11383]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  669.339035][T11383]  ? ___sys_sendmsg (net/socket.c:2758)
[  669.339039][T11383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  669.339041][T11383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  669.339044][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.339045][T11383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.339047][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.339048][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.339050][T11383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  669.339052][T11383]  ? __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)
[  669.339054][T11383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  669.339056][T11383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  669.339059][T11383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  669.339061][T11383]  ? nla_get_range_signed (lib/nlattr.c:270)
[  669.339066][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.339068][T11383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  669.339073][T11383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.339079][T11383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.339081][T11383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.339085][T11383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  669.339087][T11383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.339089][T11383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.339091][T11383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  669.339095][T11383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.339097][T11383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  669.339101][T11383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.339102][T11383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  669.339107][T11383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  669.339109][T11383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.339112][T11383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  669.339116][T11383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.339121][T11383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  669.339128][T11383]  ? 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))
[  669.339130][T11383]  ? 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))
[  669.339135][T11383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  669.339139][T11383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  669.339142][T11383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  669.339146][T11383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  669.339150][T11383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  669.339154][T11383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  669.339156][T11383]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  669.339161][T11383]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  669.339164][T11383]  ____sys_sendmsg (net/socket.c:2713)
[  669.339167][T11383]  ? copy_msghdr_from_user (net/socket.c:2650)
[  669.339169][T11383]  ? sock_write_iter (net/socket.c:1269)
[  669.339171][T11383]  ? move_addr_to_kernel (net/socket.c:258)
[  669.339179][T11383]  ___sys_sendmsg (net/socket.c:2767)
[  669.339181][T11383]  ? copy_msghdr_from_user (net/socket.c:2619)
[  669.339198][T11383]  __sys_sendmsg (net/socket.c:2799)
[  669.339201][T11383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  669.339207][T11383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.339210][T11383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  669.339213][T11383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  669.339216][T11383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.339219][T11383] RIP: 0033:0x7f0b0474a54e
[  669.339222][T11383] 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
[  669.339224][T11383] RSP: 002b:00007fff2d58b560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  669.339227][T11383] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0b0474a54e
[  669.339228][T11383] RDX: 0000000000000000 RSI: 00007fff2d58b610 RDI: 0000000000000005
[  669.339229][T11383] RBP: 00007fff2d58b570 R08: 0000000000000000 R09: 0000000000000000
[  669.339230][T11383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916743
[  669.339231][T11383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2d58bce0
| [  678.218703][T11526] softirqs last disabled at (23432): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  678.218706][T11526] Preemption disabled at:
| [  678.218707][T11526] vprintk_emit (kernel/printk/printk.c:2471)
| [  678.218715][T11526] Tainted: [W]=WARN
[  678.218716][T11526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  678.218718][T11526] Call Trace:
[  678.218720][T11526]  <TASK>
[  678.218721][T11526]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  678.218728][T11526]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  678.218729][T11526]  __might_resched.cold (kernel/sched/core.c:9234)
[  678.218734][T11526]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  678.218738][T11526]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  678.218743][T11526]  __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))
[  678.218745][T11526]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.218751][T11526]  ? 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)
[  678.218754][T11526]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.218758][T11526]  put_chars (drivers/char/virtio_console.c:1176)
[  678.218760][T11526]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  678.218767][T11526]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  678.218774][T11526]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  678.218777][T11526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.218782][T11526]  console_emit_next_record (kernel/printk/printk.c:3183)
[  678.218786][T11526]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  678.218788][T11526]  ? 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))
[  678.218791][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.218794][T11526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.218798][T11526]  console_flush_one_record (kernel/printk/printk.c:3268)
[  678.218802][T11526]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  678.218804][T11526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.218810][T11526]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  678.218813][T11526]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  678.218815][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.218817][T11526]  ? 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)
[  678.218820][T11526]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  678.218822][T11526]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  678.218825][T11526]  vprintk_emit (kernel/printk/printk.c:2479)
[  678.218828][T11526]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  678.218831][T11526]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  678.218836][T11526]  _printk (kernel/printk/printk.c:2504)
[  678.218840][T11526]  ? snapshot_read.cold (user.c:?)
[  678.218842][T11526]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  678.218845][T11526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  678.218848][T11526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  678.218850][T11526]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  678.218854][T11526]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  678.218857][T11526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.218859][T11526]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  678.218862][T11526]  ? netdev_notice (net/core/dev.c:13194)
[  678.218865][T11526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.218868][T11526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  678.218871][T11526]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  678.218874][T11526]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.218877][T11526]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  678.218879][T11526]  ? register_netdev (net/core/dev.c:11618)
[  678.218880][T11526]  ? 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))
[  678.218886][T11526]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  678.218888][T11526]  ? __kernel_text_address (kernel/extable.c:79)
[  678.218891][T11526]  ? write_profile (profile.c:?)
[  678.218895][T11526]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  678.218901][T11526]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.218904][T11526]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  678.218906][T11526]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  678.218907][T11526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  678.218909][T11526]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  678.218913][T11526]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  678.218915][T11526]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  678.218917][T11526]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  678.218919][T11526]  ? kasan_save_stack (mm/kasan/common.c:58)
[  678.218921][T11526]  ? kasan_save_stack (mm/kasan/common.c:57)
[  678.218922][T11526]  ? kasan_save_track (mm/kasan/common.c:78)
[  678.218924][T11526]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  678.218926][T11526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.218928][T11526]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  678.218932][T11526]  ? ___sys_sendmsg (net/socket.c:2758)
[  678.218935][T11526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  678.218938][T11526]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  678.218940][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.218942][T11526]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.218944][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.218945][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.218947][T11526]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  678.218949][T11526]  ? __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)
[  678.218950][T11526]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  678.218952][T11526]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  678.218956][T11526]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  678.218957][T11526]  ? nla_get_range_signed (lib/nlattr.c:270)
[  678.218962][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.218964][T11526]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  678.218970][T11526]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  678.218975][T11526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.218977][T11526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.218982][T11526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  678.218984][T11526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.218986][T11526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.218987][T11526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  678.218991][T11526]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.218993][T11526]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  678.218997][T11526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.218998][T11526]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  678.219003][T11526]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  678.219005][T11526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.219008][T11526]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  678.219011][T11526]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.219014][T11526]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  678.219021][T11526]  ? 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))
[  678.219023][T11526]  ? 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))
[  678.219027][T11526]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  678.219035][T11526]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  678.219038][T11526]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  678.219042][T11526]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  678.219046][T11526]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  678.219050][T11526]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  678.219052][T11526]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  678.219057][T11526]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  678.219060][T11526]  ____sys_sendmsg (net/socket.c:2713)
[  678.219062][T11526]  ? copy_msghdr_from_user (net/socket.c:2650)
[  678.219065][T11526]  ? sock_write_iter (net/socket.c:1269)
[  678.219066][T11526]  ? move_addr_to_kernel (net/socket.c:258)
[  678.219074][T11526]  ___sys_sendmsg (net/socket.c:2767)
[  678.219077][T11526]  ? copy_msghdr_from_user (net/socket.c:2619)
[  678.219093][T11526]  __sys_sendmsg (net/socket.c:2799)
[  678.219096][T11526]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  678.219102][T11526]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.219105][T11526]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  678.219108][T11526]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  678.219111][T11526]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.219114][T11526] RIP: 0033:0x7f269c22d54e
[  678.219120][T11526] 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
[  678.219122][T11526] RSP: 002b:00007ffff5b95660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  678.219125][T11526] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f269c22d54e
[  678.219126][T11526] RDX: 0000000000000000 RSI: 00007ffff5b95710 RDI: 0000000000000005
[  678.219127][T11526] RBP: 00007ffff5b95670 R08: 0000000000000000 R09: 0000000000000000
[  678.219128][T11526] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91674c
[  678.219129][T11526] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff5b95de0
| [  686.925789][T11669] softirqs last disabled at (24658): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  686.925792][T11669] Preemption disabled at:
| [  686.925792][T11669] vprintk_emit (kernel/printk/printk.c:2471)
| [  686.925801][T11669] Tainted: [W]=WARN
[  686.925802][T11669] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  686.925803][T11669] Call Trace:
[  686.925805][T11669]  <TASK>
[  686.925807][T11669]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  686.925812][T11669]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  686.925814][T11669]  __might_resched.cold (kernel/sched/core.c:9234)
[  686.925818][T11669]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  686.925823][T11669]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  686.925827][T11669]  __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))
[  686.925829][T11669]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.925836][T11669]  ? 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)
[  686.925838][T11669]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.925842][T11669]  put_chars (drivers/char/virtio_console.c:1176)
[  686.925844][T11669]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  686.925850][T11669]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  686.925858][T11669]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  686.925861][T11669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.925865][T11669]  console_emit_next_record (kernel/printk/printk.c:3183)
[  686.925869][T11669]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  686.925871][T11669]  ? 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))
[  686.925874][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.925877][T11669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.925881][T11669]  console_flush_one_record (kernel/printk/printk.c:3268)
[  686.925885][T11669]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  686.925887][T11669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.925892][T11669]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  686.925895][T11669]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  686.925897][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.925899][T11669]  ? 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)
[  686.925902][T11669]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  686.925904][T11669]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  686.925907][T11669]  vprintk_emit (kernel/printk/printk.c:2479)
[  686.925910][T11669]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  686.925912][T11669]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  686.925917][T11669]  _printk (kernel/printk/printk.c:2504)
[  686.925921][T11669]  ? snapshot_read.cold (user.c:?)
[  686.925923][T11669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  686.925926][T11669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  686.925929][T11669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  686.925931][T11669]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  686.925935][T11669]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  686.925937][T11669]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  686.925939][T11669]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  686.925942][T11669]  ? netdev_notice (net/core/dev.c:13194)
[  686.925945][T11669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.925948][T11669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  686.925950][T11669]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  686.925954][T11669]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  686.925956][T11669]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  686.925958][T11669]  ? register_netdev (net/core/dev.c:11618)
[  686.925959][T11669]  ? 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))
[  686.925965][T11669]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  686.925967][T11669]  ? __kernel_text_address (kernel/extable.c:79)
[  686.925970][T11669]  ? write_profile (profile.c:?)
[  686.925974][T11669]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  686.925980][T11669]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  686.925983][T11669]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  686.925985][T11669]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  686.925986][T11669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  686.925988][T11669]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  686.925991][T11669]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  686.925993][T11669]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  686.925995][T11669]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  686.925997][T11669]  ? kasan_save_stack (mm/kasan/common.c:58)
[  686.925999][T11669]  ? kasan_save_stack (mm/kasan/common.c:57)
[  686.926001][T11669]  ? kasan_save_track (mm/kasan/common.c:78)
[  686.926002][T11669]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  686.926004][T11669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.926006][T11669]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  686.926009][T11669]  ? ___sys_sendmsg (net/socket.c:2758)
[  686.926013][T11669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  686.926015][T11669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  686.926018][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.926019][T11669]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.926021][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.926022][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.926024][T11669]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  686.926026][T11669]  ? __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)
[  686.926027][T11669]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  686.926029][T11669]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  686.926033][T11669]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  686.926034][T11669]  ? nla_get_range_signed (lib/nlattr.c:270)
[  686.926039][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.926041][T11669]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  686.926051][T11669]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  686.926056][T11669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.926058][T11669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.926062][T11669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  686.926064][T11669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.926066][T11669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.926068][T11669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  686.926072][T11669]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.926074][T11669]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  686.926077][T11669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  686.926078][T11669]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  686.926083][T11669]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  686.926084][T11669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.926088][T11669]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  686.926091][T11669]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  686.926094][T11669]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  686.926100][T11669]  ? 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))
[  686.926102][T11669]  ? 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))
[  686.926106][T11669]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  686.926110][T11669]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  686.926113][T11669]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  686.926119][T11669]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  686.926123][T11669]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  686.926127][T11669]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  686.926129][T11669]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  686.926134][T11669]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  686.926137][T11669]  ____sys_sendmsg (net/socket.c:2713)
[  686.926139][T11669]  ? copy_msghdr_from_user (net/socket.c:2650)
[  686.926142][T11669]  ? sock_write_iter (net/socket.c:1269)
[  686.926143][T11669]  ? move_addr_to_kernel (net/socket.c:258)
[  686.926150][T11669]  ___sys_sendmsg (net/socket.c:2767)
[  686.926153][T11669]  ? copy_msghdr_from_user (net/socket.c:2619)
[  686.926169][T11669]  __sys_sendmsg (net/socket.c:2799)
[  686.926171][T11669]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  686.926177][T11669]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.926180][T11669]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  686.926183][T11669]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  686.926186][T11669]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  686.926189][T11669] RIP: 0033:0x7fe4c8bea54e
[  686.926192][T11669] 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
[  686.926194][T11669] RSP: 002b:00007ffc834af6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  686.926197][T11669] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe4c8bea54e
[  686.926198][T11669] RDX: 0000000000000000 RSI: 00007ffc834af770 RDI: 0000000000000005
[  686.926199][T11669] RBP: 00007ffc834af6d0 R08: 0000000000000000 R09: 0000000000000000
[  686.926200][T11669] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916755
[  686.926201][T11669] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc834afe40
| [  695.666735][T11812] softirqs last disabled at (18404): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  695.666738][T11812] Preemption disabled at:
| [  695.666739][T11812] vprintk_emit (kernel/printk/printk.c:2471)
| [  695.666747][T11812] Tainted: [W]=WARN
[  695.666748][T11812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  695.666749][T11812] Call Trace:
[  695.666751][T11812]  <TASK>
[  695.666752][T11812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  695.666758][T11812]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  695.666759][T11812]  __might_resched.cold (kernel/sched/core.c:9234)
[  695.666764][T11812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  695.666768][T11812]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  695.666773][T11812]  __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))
[  695.666775][T11812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.666781][T11812]  ? 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)
[  695.666784][T11812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.666787][T11812]  put_chars (drivers/char/virtio_console.c:1176)
[  695.666790][T11812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  695.666796][T11812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  695.666803][T11812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  695.666806][T11812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.666811][T11812]  console_emit_next_record (kernel/printk/printk.c:3183)
[  695.666815][T11812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  695.666817][T11812]  ? 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))
[  695.666820][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.666822][T11812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.666826][T11812]  console_flush_one_record (kernel/printk/printk.c:3268)
[  695.666830][T11812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  695.666832][T11812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  695.666838][T11812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  695.666840][T11812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  695.666842][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.666844][T11812]  ? 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)
[  695.666847][T11812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  695.666849][T11812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  695.666852][T11812]  vprintk_emit (kernel/printk/printk.c:2479)
[  695.666855][T11812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  695.666857][T11812]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  695.666862][T11812]  _printk (kernel/printk/printk.c:2504)
[  695.666866][T11812]  ? snapshot_read.cold (user.c:?)
[  695.666868][T11812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  695.666871][T11812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  695.666873][T11812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  695.666876][T11812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  695.666879][T11812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  695.666882][T11812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.666884][T11812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  695.666887][T11812]  ? netdev_notice (net/core/dev.c:13194)
[  695.666890][T11812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  695.666893][T11812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  695.666895][T11812]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  695.666899][T11812]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.666901][T11812]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  695.666903][T11812]  ? register_netdev (net/core/dev.c:11618)
[  695.666904][T11812]  ? 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))
[  695.666910][T11812]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  695.666912][T11812]  ? __kernel_text_address (kernel/extable.c:79)
[  695.666915][T11812]  ? write_profile (profile.c:?)
[  695.666919][T11812]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  695.666924][T11812]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.666927][T11812]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  695.666930][T11812]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  695.666931][T11812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  695.666933][T11812]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  695.666936][T11812]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  695.666938][T11812]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  695.666940][T11812]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  695.666942][T11812]  ? kasan_save_stack (mm/kasan/common.c:58)
[  695.666944][T11812]  ? kasan_save_stack (mm/kasan/common.c:57)
[  695.666945][T11812]  ? kasan_save_track (mm/kasan/common.c:78)
[  695.666947][T11812]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  695.666949][T11812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  695.666951][T11812]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  695.666954][T11812]  ? ___sys_sendmsg (net/socket.c:2758)
[  695.666958][T11812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  695.666960][T11812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  695.666963][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.666964][T11812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.666966][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.666967][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.666969][T11812]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  695.666971][T11812]  ? __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)
[  695.666972][T11812]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  695.666974][T11812]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  695.666978][T11812]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  695.666979][T11812]  ? nla_get_range_signed (lib/nlattr.c:270)
[  695.666984][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.666986][T11812]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  695.666991][T11812]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  695.666996][T11812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.666998][T11812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  695.667002][T11812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  695.667004][T11812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  695.667006][T11812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.667008][T11812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  695.667012][T11812]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.667014][T11812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  695.667017][T11812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  695.667018][T11812]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  695.667022][T11812]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  695.667024][T11812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  695.667028][T11812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  695.667031][T11812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  695.667034][T11812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  695.667040][T11812]  ? 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))
[  695.667042][T11812]  ? 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))
[  695.667046][T11812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  695.667050][T11812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  695.667053][T11812]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  695.667057][T11812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  695.667061][T11812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  695.667070][T11812]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  695.667071][T11812]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  695.667077][T11812]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  695.667080][T11812]  ____sys_sendmsg (net/socket.c:2713)
[  695.667082][T11812]  ? copy_msghdr_from_user (net/socket.c:2650)
[  695.667084][T11812]  ? sock_write_iter (net/socket.c:1269)
[  695.667086][T11812]  ? move_addr_to_kernel (net/socket.c:258)
[  695.667093][T11812]  ___sys_sendmsg (net/socket.c:2767)
[  695.667096][T11812]  ? copy_msghdr_from_user (net/socket.c:2619)
[  695.667111][T11812]  __sys_sendmsg (net/socket.c:2799)
[  695.667114][T11812]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  695.667122][T11812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.667125][T11812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  695.667128][T11812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  695.667131][T11812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.667133][T11812] RIP: 0033:0x7f5fc93fa54e
[  695.667137][T11812] 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
[  695.667139][T11812] RSP: 002b:00007ffccd741a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  695.667141][T11812] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5fc93fa54e
[  695.667143][T11812] RDX: 0000000000000000 RSI: 00007ffccd741ae0 RDI: 0000000000000005
[  695.667144][T11812] RBP: 00007ffccd741a40 R08: 0000000000000000 R09: 0000000000000000
[  695.667144][T11812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91675d
[  695.667145][T11812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccd7421b0
| [  704.348942][T11955] softirqs last disabled at (25466): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  704.348945][T11955] Preemption disabled at:
| [  704.348946][T11955] vprintk_emit (kernel/printk/printk.c:2471)
| [  704.348954][T11955] Tainted: [W]=WARN
[  704.348955][T11955] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  704.348956][T11955] Call Trace:
[  704.348958][T11955]  <TASK>
[  704.348959][T11955]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  704.348965][T11955]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  704.348967][T11955]  __might_resched.cold (kernel/sched/core.c:9234)
[  704.348971][T11955]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  704.348975][T11955]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  704.348980][T11955]  __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))
[  704.348982][T11955]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  704.348988][T11955]  ? 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)
[  704.348991][T11955]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  704.348995][T11955]  put_chars (drivers/char/virtio_console.c:1176)
[  704.348998][T11955]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  704.349004][T11955]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  704.349011][T11955]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  704.349014][T11955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.349019][T11955]  console_emit_next_record (kernel/printk/printk.c:3183)
[  704.349023][T11955]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  704.349024][T11955]  ? 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))
[  704.349027][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349030][T11955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.349034][T11955]  console_flush_one_record (kernel/printk/printk.c:3268)
[  704.349038][T11955]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  704.349040][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  704.349045][T11955]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  704.349048][T11955]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  704.349050][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349051][T11955]  ? 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)
[  704.349055][T11955]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  704.349057][T11955]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  704.349059][T11955]  vprintk_emit (kernel/printk/printk.c:2479)
[  704.349062][T11955]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  704.349065][T11955]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  704.349070][T11955]  _printk (kernel/printk/printk.c:2504)
[  704.349074][T11955]  ? snapshot_read.cold (user.c:?)
[  704.349075][T11955]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  704.349084][T11955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  704.349087][T11955]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  704.349089][T11955]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  704.349093][T11955]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  704.349095][T11955]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  704.349098][T11955]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  704.349100][T11955]  ? netdev_notice (net/core/dev.c:13194)
[  704.349103][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  704.349106][T11955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  704.349109][T11955]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  704.349112][T11955]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  704.349114][T11955]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  704.349119][T11955]  ? register_netdev (net/core/dev.c:11618)
[  704.349121][T11955]  ? 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))
[  704.349126][T11955]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  704.349128][T11955]  ? __kernel_text_address (kernel/extable.c:79)
[  704.349131][T11955]  ? write_profile (profile.c:?)
[  704.349135][T11955]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  704.349141][T11955]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  704.349144][T11955]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  704.349146][T11955]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  704.349148][T11955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  704.349150][T11955]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  704.349153][T11955]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  704.349155][T11955]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  704.349157][T11955]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  704.349159][T11955]  ? kasan_save_stack (mm/kasan/common.c:58)
[  704.349161][T11955]  ? kasan_save_stack (mm/kasan/common.c:57)
[  704.349162][T11955]  ? kasan_save_track (mm/kasan/common.c:78)
[  704.349163][T11955]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  704.349165][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  704.349167][T11955]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  704.349171][T11955]  ? ___sys_sendmsg (net/socket.c:2758)
[  704.349174][T11955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  704.349176][T11955]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  704.349179][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349181][T11955]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  704.349182][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349183][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349185][T11955]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  704.349187][T11955]  ? __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)
[  704.349188][T11955]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  704.349190][T11955]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  704.349193][T11955]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  704.349195][T11955]  ? nla_get_range_signed (lib/nlattr.c:270)
[  704.349199][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349202][T11955]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  704.349207][T11955]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  704.349212][T11955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.349214][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  704.349218][T11955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  704.349220][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  704.349222][T11955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.349224][T11955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  704.349227][T11955]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  704.349229][T11955]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  704.349233][T11955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  704.349234][T11955]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  704.349238][T11955]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  704.349240][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  704.349244][T11955]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  704.349247][T11955]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  704.349250][T11955]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  704.349256][T11955]  ? 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))
[  704.349258][T11955]  ? 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))
[  704.349262][T11955]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  704.349266][T11955]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  704.349269][T11955]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  704.349273][T11955]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  704.349277][T11955]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  704.349281][T11955]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  704.349282][T11955]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  704.349288][T11955]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  704.349290][T11955]  ____sys_sendmsg (net/socket.c:2713)
[  704.349293][T11955]  ? copy_msghdr_from_user (net/socket.c:2650)
[  704.349295][T11955]  ? sock_write_iter (net/socket.c:1269)
[  704.349297][T11955]  ? move_addr_to_kernel (net/socket.c:258)
[  704.349304][T11955]  ___sys_sendmsg (net/socket.c:2767)
[  704.349306][T11955]  ? copy_msghdr_from_user (net/socket.c:2619)
[  704.349322][T11955]  __sys_sendmsg (net/socket.c:2799)
[  704.349325][T11955]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  704.349331][T11955]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  704.349334][T11955]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  704.349337][T11955]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  704.349340][T11955]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  704.349342][T11955] RIP: 0033:0x7f0fbcbf654e
[  704.349346][T11955] 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
[  704.349347][T11955] RSP: 002b:00007ffef31dbca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  704.349350][T11955] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0fbcbf654e
[  704.349351][T11955] RDX: 0000000000000000 RSI: 00007ffef31dbd50 RDI: 0000000000000005
[  704.349352][T11955] RBP: 00007ffef31dbcb0 R08: 0000000000000000 R09: 0000000000000000
[  704.349353][T11955] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916766
[  704.349354][T11955] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef31dc420
| [  713.076622][T12098] softirqs last disabled at (18946): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  713.076624][T12098] Preemption disabled at:
| [  713.076625][T12098] vprintk_emit (kernel/printk/printk.c:2471)
| [  713.076633][T12098] Tainted: [W]=WARN
[  713.076634][T12098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  713.076636][T12098] Call Trace:
[  713.076637][T12098]  <TASK>
[  713.076639][T12098]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  713.076645][T12098]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  713.076646][T12098]  __might_resched.cold (kernel/sched/core.c:9234)
[  713.076651][T12098]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  713.076655][T12098]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  713.076659][T12098]  __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))
[  713.076661][T12098]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.076668][T12098]  ? 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)
[  713.076670][T12098]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.076674][T12098]  put_chars (drivers/char/virtio_console.c:1176)
[  713.076677][T12098]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  713.076683][T12098]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  713.076690][T12098]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  713.076693][T12098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.076698][T12098]  console_emit_next_record (kernel/printk/printk.c:3183)
[  713.076702][T12098]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  713.076704][T12098]  ? 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))
[  713.076707][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.076709][T12098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.076713][T12098]  console_flush_one_record (kernel/printk/printk.c:3268)
[  713.076717][T12098]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  713.076719][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.076724][T12098]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  713.076727][T12098]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  713.076729][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.076730][T12098]  ? 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)
[  713.076734][T12098]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  713.076736][T12098]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  713.076738][T12098]  vprintk_emit (kernel/printk/printk.c:2479)
[  713.076741][T12098]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  713.076744][T12098]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  713.076749][T12098]  _printk (kernel/printk/printk.c:2504)
[  713.076753][T12098]  ? snapshot_read.cold (user.c:?)
[  713.076754][T12098]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  713.076757][T12098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  713.076759][T12098]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  713.076762][T12098]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  713.076766][T12098]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  713.076768][T12098]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  713.076771][T12098]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  713.076773][T12098]  ? netdev_notice (net/core/dev.c:13194)
[  713.076776][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.076779][T12098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  713.076782][T12098]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  713.076785][T12098]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  713.076787][T12098]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  713.076789][T12098]  ? register_netdev (net/core/dev.c:11618)
[  713.076791][T12098]  ? 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))
[  713.076796][T12098]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  713.076799][T12098]  ? __kernel_text_address (kernel/extable.c:79)
[  713.076801][T12098]  ? write_profile (profile.c:?)
[  713.076805][T12098]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  713.076812][T12098]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  713.076815][T12098]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  713.076817][T12098]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  713.076818][T12098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  713.076820][T12098]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  713.076823][T12098]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  713.076825][T12098]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  713.076827][T12098]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  713.076829][T12098]  ? kasan_save_stack (mm/kasan/common.c:58)
[  713.076831][T12098]  ? kasan_save_stack (mm/kasan/common.c:57)
[  713.076833][T12098]  ? kasan_save_track (mm/kasan/common.c:78)
[  713.076834][T12098]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  713.076836][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.076838][T12098]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  713.076841][T12098]  ? ___sys_sendmsg (net/socket.c:2758)
[  713.076845][T12098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  713.076847][T12098]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  713.076850][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.076852][T12098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.076853][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.076854][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.076856][T12098]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  713.076858][T12098]  ? __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)
[  713.076859][T12098]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  713.076861][T12098]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  713.076865][T12098]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  713.076866][T12098]  ? nla_get_range_signed (lib/nlattr.c:270)
[  713.076871][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.076873][T12098]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  713.076878][T12098]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  713.076883][T12098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.076885][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.076890][T12098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  713.076891][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.076893][T12098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.076895][T12098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  713.076899][T12098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.076901][T12098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  713.076904][T12098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.076905][T12098]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  713.076910][T12098]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  713.076912][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.076915][T12098]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  713.076918][T12098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.076921][T12098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  713.076927][T12098]  ? 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))
[  713.076930][T12098]  ? 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))
[  713.076934][T12098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  713.076938][T12098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  713.076940][T12098]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  713.076945][T12098]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  713.076949][T12098]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  713.076952][T12098]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  713.076954][T12098]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  713.076959][T12098]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  713.076962][T12098]  ____sys_sendmsg (net/socket.c:2713)
[  713.076964][T12098]  ? copy_msghdr_from_user (net/socket.c:2650)
[  713.076966][T12098]  ? sock_write_iter (net/socket.c:1269)
[  713.076968][T12098]  ? move_addr_to_kernel (net/socket.c:258)
[  713.076975][T12098]  ___sys_sendmsg (net/socket.c:2767)
[  713.076978][T12098]  ? copy_msghdr_from_user (net/socket.c:2619)
[  713.076994][T12098]  __sys_sendmsg (net/socket.c:2799)
[  713.076996][T12098]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  713.077002][T12098]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  713.077005][T12098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.077008][T12098]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  713.077011][T12098]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  713.077014][T12098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  713.077016][T12098] RIP: 0033:0x7f2b078b454e
[  713.077020][T12098] 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
[  713.077022][T12098] RSP: 002b:00007fffbf144d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  713.077024][T12098] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2b078b454e
[  713.077026][T12098] RDX: 0000000000000000 RSI: 00007fffbf144e30 RDI: 0000000000000005
[  713.077027][T12098] RBP: 00007fffbf144d90 R08: 0000000000000000 R09: 0000000000000000
[  713.077028][T12098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91676f
[  713.077028][T12098] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbf145500
| [  721.856601][T12241] softirqs last disabled at (24010): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  721.856603][T12241] Preemption disabled at:
| [  721.856604][T12241] vprintk_emit (kernel/printk/printk.c:2471)
| [  721.856612][T12241] Tainted: [W]=WARN
[  721.856613][T12241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  721.856615][T12241] Call Trace:
[  721.856617][T12241]  <TASK>
[  721.856618][T12241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  721.856624][T12241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  721.856626][T12241]  __might_resched.cold (kernel/sched/core.c:9234)
[  721.856630][T12241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  721.856634][T12241]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  721.856639][T12241]  __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))
[  721.856641][T12241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.856647][T12241]  ? 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)
[  721.856650][T12241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.856654][T12241]  put_chars (drivers/char/virtio_console.c:1176)
[  721.856656][T12241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  721.856662][T12241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  721.856670][T12241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  721.856673][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.856677][T12241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  721.856681][T12241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  721.856683][T12241]  ? 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))
[  721.856686][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856688][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.856693][T12241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  721.856697][T12241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  721.856699][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.856704][T12241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  721.856707][T12241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  721.856709][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856710][T12241]  ? 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)
[  721.856714][T12241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  721.856716][T12241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  721.856718][T12241]  vprintk_emit (kernel/printk/printk.c:2479)
[  721.856721][T12241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  721.856724][T12241]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  721.856729][T12241]  _printk (kernel/printk/printk.c:2504)
[  721.856733][T12241]  ? snapshot_read.cold (user.c:?)
[  721.856734][T12241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  721.856737][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  721.856739][T12241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  721.856742][T12241]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  721.856745][T12241]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  721.856748][T12241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.856750][T12241]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  721.856753][T12241]  ? netdev_notice (net/core/dev.c:13194)
[  721.856756][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.856759][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.856761][T12241]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  721.856765][T12241]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.856767][T12241]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  721.856769][T12241]  ? register_netdev (net/core/dev.c:11618)
[  721.856770][T12241]  ? 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))
[  721.856776][T12241]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  721.856778][T12241]  ? __kernel_text_address (kernel/extable.c:79)
[  721.856781][T12241]  ? write_profile (profile.c:?)
[  721.856785][T12241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  721.856790][T12241]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.856794][T12241]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  721.856796][T12241]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  721.856797][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  721.856799][T12241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  721.856802][T12241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  721.856804][T12241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  721.856806][T12241]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  721.856808][T12241]  ? kasan_save_stack (mm/kasan/common.c:58)
[  721.856810][T12241]  ? kasan_save_stack (mm/kasan/common.c:57)
[  721.856811][T12241]  ? kasan_save_track (mm/kasan/common.c:78)
[  721.856813][T12241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  721.856815][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.856817][T12241]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  721.856820][T12241]  ? ___sys_sendmsg (net/socket.c:2758)
[  721.856824][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.856826][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.856828][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856830][T12241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.856832][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856833][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856834][T12241]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  721.856836][T12241]  ? __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)
[  721.856838][T12241]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  721.856840][T12241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.856843][T12241]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  721.856844][T12241]  ? nla_get_range_signed (lib/nlattr.c:270)
[  721.856849][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856851][T12241]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  721.856856][T12241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.856861][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.856863][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.856867][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.856869][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.856871][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.856873][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.856877][T12241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.856879][T12241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.856882][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.856883][T12241]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  721.856888][T12241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  721.856890][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.856893][T12241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.856896][T12241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.856899][T12241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  721.856905][T12241]  ? 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))
[  721.856907][T12241]  ? 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))
[  721.856912][T12241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.856915][T12241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  721.856918][T12241]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  721.856922][T12241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.856926][T12241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  721.856930][T12241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  721.856931][T12241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  721.856936][T12241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.856939][T12241]  ____sys_sendmsg (net/socket.c:2713)
[  721.856941][T12241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  721.856944][T12241]  ? sock_write_iter (net/socket.c:1269)
[  721.856945][T12241]  ? move_addr_to_kernel (net/socket.c:258)
[  721.856952][T12241]  ___sys_sendmsg (net/socket.c:2767)
[  721.856955][T12241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  721.856970][T12241]  __sys_sendmsg (net/socket.c:2799)
[  721.856973][T12241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  721.856979][T12241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.856982][T12241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.856985][T12241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  721.856988][T12241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.856990][T12241] RIP: 0033:0x7f130879154e
[  721.856994][T12241] 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
[  721.856996][T12241] RSP: 002b:00007ffe264599f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  721.856998][T12241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f130879154e
[  721.857000][T12241] RDX: 0000000000000000 RSI: 00007ffe26459aa0 RDI: 0000000000000005
[  721.857000][T12241] RBP: 00007ffe26459a00 R08: 0000000000000000 R09: 0000000000000000
[  721.857001][T12241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916778
[  721.857002][T12241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2645a170
| [  730.584719][T12385] softirqs last disabled at (29102): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  730.584722][T12385] Preemption disabled at:
| [  730.584723][T12385] vprintk_emit (kernel/printk/printk.c:2471)
| [  730.584731][T12385] Tainted: [W]=WARN
[  730.584732][T12385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  730.584734][T12385] Call Trace:
[  730.584735][T12385]  <TASK>
[  730.584737][T12385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  730.584743][T12385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  730.584744][T12385]  __might_resched.cold (kernel/sched/core.c:9234)
[  730.584749][T12385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  730.584753][T12385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  730.584758][T12385]  __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))
[  730.584759][T12385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.584766][T12385]  ? 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)
[  730.584769][T12385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.584772][T12385]  put_chars (drivers/char/virtio_console.c:1176)
[  730.584775][T12385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  730.584781][T12385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  730.584788][T12385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  730.584791][T12385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.584796][T12385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  730.584800][T12385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  730.584802][T12385]  ? 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))
[  730.584805][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.584807][T12385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.584811][T12385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  730.584815][T12385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  730.584817][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.584822][T12385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  730.584825][T12385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  730.584827][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.584829][T12385]  ? 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)
[  730.584832][T12385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  730.584834][T12385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  730.584837][T12385]  vprintk_emit (kernel/printk/printk.c:2479)
[  730.584840][T12385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  730.584842][T12385]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  730.584847][T12385]  _printk (kernel/printk/printk.c:2504)
[  730.584851][T12385]  ? snapshot_read.cold (user.c:?)
[  730.584853][T12385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  730.584855][T12385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  730.584858][T12385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  730.584860][T12385]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  730.584864][T12385]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  730.584867][T12385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.584869][T12385]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  730.584871][T12385]  ? netdev_notice (net/core/dev.c:13194)
[  730.584874][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.584877][T12385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.584880][T12385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  730.584883][T12385]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.584885][T12385]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  730.584888][T12385]  ? register_netdev (net/core/dev.c:11618)
[  730.584889][T12385]  ? 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))
[  730.584894][T12385]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  730.584897][T12385]  ? __kernel_text_address (kernel/extable.c:79)
[  730.584899][T12385]  ? write_profile (profile.c:?)
[  730.584903][T12385]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  730.584909][T12385]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  730.584912][T12385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  730.584914][T12385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  730.584916][T12385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  730.584918][T12385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  730.584921][T12385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  730.584923][T12385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  730.584924][T12385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  730.584927][T12385]  ? kasan_save_stack (mm/kasan/common.c:58)
[  730.584929][T12385]  ? kasan_save_stack (mm/kasan/common.c:57)
[  730.584930][T12385]  ? kasan_save_track (mm/kasan/common.c:78)
[  730.584931][T12385]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  730.584933][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.584935][T12385]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  730.584939][T12385]  ? ___sys_sendmsg (net/socket.c:2758)
[  730.584942][T12385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.584944][T12385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  730.584947][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.584949][T12385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.584950][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.584952][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.584953][T12385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  730.584955][T12385]  ? __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)
[  730.584957][T12385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  730.584959][T12385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  730.584962][T12385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  730.584963][T12385]  ? nla_get_range_signed (lib/nlattr.c:270)
[  730.584968][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.584970][T12385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  730.584975][T12385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  730.584980][T12385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.584982][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.584987][T12385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.584988][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.584990][T12385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.584992][T12385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.584996][T12385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.584998][T12385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  730.585001][T12385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.585002][T12385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  730.585007][T12385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  730.585009][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.585012][T12385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  730.585015][T12385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.585018][T12385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  730.585024][T12385]  ? 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))
[  730.585027][T12385]  ? 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))
[  730.585031][T12385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  730.585035][T12385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  730.585037][T12385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  730.585041][T12385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  730.585045][T12385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  730.585049][T12385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  730.585051][T12385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  730.585056][T12385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  730.585059][T12385]  ____sys_sendmsg (net/socket.c:2713)
[  730.585061][T12385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  730.585063][T12385]  ? sock_write_iter (net/socket.c:1269)
[  730.585065][T12385]  ? move_addr_to_kernel (net/socket.c:258)
[  730.585072][T12385]  ___sys_sendmsg (net/socket.c:2767)
[  730.585075][T12385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  730.585090][T12385]  __sys_sendmsg (net/socket.c:2799)
[  730.585093][T12385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  730.585099][T12385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.585102][T12385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  730.585105][T12385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  730.585108][T12385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  730.585110][T12385] RIP: 0033:0x7ff31f98d54e
[  730.585114][T12385] 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
[  730.585119][T12385] RSP: 002b:00007ffc4da53d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  730.585121][T12385] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff31f98d54e
[  730.585123][T12385] RDX: 0000000000000000 RSI: 00007ffc4da53e40 RDI: 0000000000000005
[  730.585124][T12385] RBP: 00007ffc4da53da0 R08: 0000000000000000 R09: 0000000000000000
[  730.585129][T12385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916780


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