======================================
| [   10.436680][  T199] softirqs last disabled at (35312): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.436682][  T199] Preemption disabled at:
| [   10.436683][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.436691][  T199] Tainted: [W]=WARN
[   10.436693][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.436694][  T199] Call Trace:
[   10.436696][  T199]  <TASK>
[   10.436697][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.436703][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.436705][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.436709][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.436713][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.436718][  T199]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.436720][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.436726][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.436729][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.436733][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   10.436735][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.436738][  T199]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.436743][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.436747][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436752][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.436755][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436761][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.436765][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.436766][  T199]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.436770][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436771][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.436775][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.436779][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.436781][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436787][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.436789][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.436791][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436793][  T199]  ? 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)
[   10.436797][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.436799][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.436801][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.436804][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.436805][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[   10.436808][  T199]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.436811][  T199]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.436817][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.436822][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.436830][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   10.436832][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.436836][  T199]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.436842][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.436848][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.436850][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   10.436853][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.436856][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.436858][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.436862][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.436864][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.436867][  T199]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.436870][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.436873][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.436876][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.436881][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.436884][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436887][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.436888][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.436890][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.436892][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.436895][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.436899][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436901][  T199]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   10.436903][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.436906][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.436908][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.436911][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436912][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.436914][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436915][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436917][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.436919][  T199]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.436922][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.436924][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.436925][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.436928][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.436929][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.436933][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436936][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.436944][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.436947][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.436948][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436971][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.436973][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.436976][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.436978][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.436980][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.436984][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.436986][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.436988][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.436990][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.436994][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.436996][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.436999][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.437000][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.437005][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.437007][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.437010][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.437013][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.437016][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.437022][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.437024][  T199]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.437029][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.437033][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.437037][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.437040][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.437044][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.437046][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.437048][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.437053][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.437056][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.437059][  T199]  __sys_sendto (net/socket.c:2281)
[   10.437062][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.437077][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.437079][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.437082][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.437085][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.437087][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.437089][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.437092][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.437094][  T199] RIP: 0033:0x7fa38112254e
[   10.437098][  T199] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.437099][  T199] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.437102][  T199] RAX: ffffffffffffffda RBX: 00005575c9b179a0 RCX: 00007fa38112254e
[   10.437103][  T199] RDX: 0000000000000030 RSI: 00005575c99c5e60 RDI: 0000000000000014
[   10.437104][  T199] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   10.437104][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   10.437105][  T199] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   12.576196][  T199] softirqs last disabled at (106776): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.576199][  T199] Preemption disabled at:
| [   12.576200][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.576208][  T199] Tainted: [W]=WARN
[   12.576209][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.576210][  T199] Call Trace:
[   12.576212][  T199]  <TASK>
[   12.576213][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.576220][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.576221][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.576226][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.576230][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.576235][  T199]  __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))
[   12.576237][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.576243][  T199]  ? 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)
[   12.576246][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.576250][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   12.576252][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.576254][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.576257][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.576261][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.576266][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.576270][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576275][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.576278][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576283][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.576287][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.576289][  T199]  ? 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))
[   12.576294][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576296][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.576300][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.576305][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.576306][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576312][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.576315][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.576317][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576318][  T199]  ? 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)
[   12.576322][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.576324][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.576327][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.576330][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.576331][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.576334][  T199]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.576339][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.576344][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.576349][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.576352][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576355][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   12.576358][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.576361][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.576363][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576365][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576367][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.576368][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.576372][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.576378][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.576381][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   12.576384][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.576387][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.576390][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.576393][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.576396][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.576399][  T199]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.576402][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.576405][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.576408][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.576414][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.576417][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576420][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.576421][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.576423][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.576425][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.576427][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.576431][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576433][  T199]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   12.576435][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.576439][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.576441][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.576443][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576445][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.576447][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576448][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576449][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.576452][  T199]  ? __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)
[   12.576455][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.576457][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.576458][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.576461][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.576463][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.576467][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576470][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.576477][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.576481][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.576482][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576505][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.576507][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.576510][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.576512][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.576514][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576519][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.576521][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.576523][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.576525][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.576528][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.576530][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.576534][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.576535][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576540][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.576541][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.576545][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.576548][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.576551][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.576558][  T199]  ? 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))
[   12.576560][  T199]  ? 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))
[   12.576565][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.576569][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.576572][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.576576][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.576580][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.576582][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.576585][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.576590][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.576592][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.576596][  T199]  __sys_sendto (net/socket.c:2281)
[   12.576599][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.576610][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   12.576617][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.576619][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.576622][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.576624][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.576626][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.576628][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.576631][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.576633][  T199] RIP: 0033:0x7fa38112254e
[   12.576637][  T199] 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
[   12.576638][  T199] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.576641][  T199] RAX: ffffffffffffffda RBX: 00005575c9b179a0 RCX: 00007fa38112254e
[   12.576642][  T199] RDX: 0000000000000030 RSI: 00005575c99c6220 RDI: 0000000000000014
[   12.576643][  T199] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   12.576644][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   12.576644][  T199] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   18.259986][  T199] softirqs last disabled at (155714): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   18.259988][  T199] Preemption disabled at:
| [   18.259989][  T199] 0x0
| [   18.259999][  T199] Tainted: [W]=WARN
[   18.260000][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.260001][  T199] Call Trace:
[   18.260003][  T199]  <TASK>
[   18.260004][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.260010][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.260014][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.260018][  T199]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.260021][  T199]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.260023][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.260029][  T199]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.260031][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.260035][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   18.260037][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.260038][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.260042][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.260047][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.260054][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.260056][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.260058][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.260062][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.260066][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.260068][  T199]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   18.260071][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.260073][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.260077][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.260081][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.260083][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.260088][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.260091][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.260092][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.260094][  T199]  ? 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)
[   18.260098][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.260099][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.260102][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.260105][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.260108][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.260112][  T199]  _printk (kernel/printk/printk.c:2504)
[   18.260115][  T199]  ? snapshot_read.cold (user.c:?)
[   18.260118][  T199]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   18.260120][  T199]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.260124][  T199]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   18.260126][  T199]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   18.260130][  T199]  ? exit_notify (kernel/exit.c:780)
[   18.260131][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.260134][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.260137][  T199]  do_group_exit (kernel/exit.c:1151)
[   18.260140][  T199]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   18.260142][  T199]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   18.260144][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.260147][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.260150][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.260152][  T199] RIP: 0033:0x7fa3811731b8
[   18.260154][  T199] Code: Unable to access opcode bytes at 0x7fa38117318e.

Code starting with the faulting instruction
===========================================
[   18.260155][  T199] RSP: 002b:00007ffe8373bac8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[   18.260158][  T199] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa3811731b8
[   18.260159][  T199] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000
[   18.260160][  T199] RBP: 00007ffe8373bc50 R08: 00005575c9b42b88 R09: 0000000000000000
[   18.260161][  T199] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000
[   18.260162][  T199] R13: 00007fa3809d1050 R14: 00007fa3816a4d9e R15: 00005575c99bf190
| [   19.445510][  T461] softirqs last disabled at (56402): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   19.445513][  T461] Preemption disabled at:
| [   19.445514][  T461] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.445522][  T461] Tainted: [W]=WARN
[   19.445523][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.445525][  T461] Call Trace:
[   19.445526][  T461]  <TASK>
[   19.445528][  T461]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.445534][  T461]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.445535][  T461]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.445540][  T461]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.445544][  T461]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.445548][  T461]  __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))
[   19.445550][  T461]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.445556][  T461]  ? 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)
[   19.445558][  T461]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.445562][  T461]  put_chars (drivers/char/virtio_console.c:1176)
[   19.445564][  T461]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.445565][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.445569][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.445571][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.445576][  T461]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.445580][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445585][  T461]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.445588][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445593][  T461]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.445597][  T461]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.445599][  T461]  ? 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))
[   19.445602][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445603][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.445607][  T461]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.445612][  T461]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.445614][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445620][  T461]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.445623][  T461]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.445625][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445626][  T461]  ? 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)
[   19.445630][  T461]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.445632][  T461]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.445635][  T461]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.445638][  T461]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.445640][  T461]  ? partition_sched_domains_locked (kernel/sched/topology.c:3421 (discriminator 2))
[   19.445646][  T461]  dev_vprintk_emit (drivers/base/core.c:5000)
[   19.445651][  T461]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   19.445656][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.445658][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445662][  T461]  dev_printk_emit (drivers/base/core.c:5011)
[   19.445664][  T461]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   19.445667][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.445669][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445671][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445673][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.445674][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.445678][  T461]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   19.445684][  T461]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.445687][  T461]  ? netdev_notice (net/core/dev.c:13194)
[   19.445690][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.445693][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.445695][  T461]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.445699][  T461]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.445701][  T461]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   19.445704][  T461]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.445707][  T461]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   19.445710][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.445713][  T461]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   19.445718][  T461]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   19.445721][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445724][  T461]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.445726][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.445728][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.445730][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.445731][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.445736][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445738][  T461]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   19.445740][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   19.445743][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.445745][  T461]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.445748][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445749][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.445751][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445752][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445754][  T461]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.445756][  T461]  ? __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)
[   19.445758][  T461]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.445760][  T461]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   19.445762][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.445765][  T461]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.445766][  T461]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.445770][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445773][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.445780][  T461]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   19.445784][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.445785][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445808][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.445810][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.445812][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.445814][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.445816][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445821][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.445823][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.445825][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.445827][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.445830][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   19.445832][  T461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.445836][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.445837][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445842][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.445843][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.445847][  T461]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.445850][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.445853][  T461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.445859][  T461]  ? 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))
[   19.445861][  T461]  ? 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))
[   19.445865][  T461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.445869][  T461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.445873][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.445877][  T461]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.445881][  T461]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.445882][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.445885][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.445890][  T461]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   19.445892][  T461]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   19.445896][  T461]  __sys_sendto (net/socket.c:2281)
[   19.445898][  T461]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   19.445913][  T461]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   19.445915][  T461]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.445919][  T461]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.445921][  T461]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   19.445923][  T461]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.445925][  T461]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.445927][  T461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.445929][  T461] RIP: 0033:0x7fa38112254e
[   19.445933][  T461] 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
[   19.445935][  T461] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   19.445938][  T461] RAX: ffffffffffffffda RBX: 00005575c99c0460 RCX: 00007fa38112254e
[   19.445939][  T461] RDX: 0000000000000030 RSI: 00005575c99ba480 RDI: 0000000000000012
[   19.445940][  T461] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   19.445940][  T461] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   19.445941][  T461] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   21.550007][  T461] softirqs last disabled at (123656): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   21.550009][  T461] Preemption disabled at:
| [   21.550010][  T461] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.550018][  T461] Tainted: [W]=WARN
[   21.550019][  T461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.550021][  T461] Call Trace:
[   21.550022][  T461]  <TASK>
[   21.550024][  T461]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.550030][  T461]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.550031][  T461]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.550035][  T461]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.550039][  T461]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.550044][  T461]  __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))
[   21.550046][  T461]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.550052][  T461]  ? 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)
[   21.550054][  T461]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.550058][  T461]  put_chars (drivers/char/virtio_console.c:1176)
[   21.550060][  T461]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.550061][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.550064][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.550067][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.550072][  T461]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.550076][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550081][  T461]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.550084][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550089][  T461]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.550093][  T461]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.550095][  T461]  ? 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))
[   21.550098][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550100][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.550104][  T461]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.550108][  T461]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.550110][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550115][  T461]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.550118][  T461]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.550120][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550121][  T461]  ? 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)
[   21.550125][  T461]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.550127][  T461]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.550130][  T461]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.550133][  T461]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.550134][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.550136][  T461]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.550141][  T461]  dev_vprintk_emit (drivers/base/core.c:5000)
[   21.550147][  T461]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   21.550152][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.550154][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550158][  T461]  dev_printk_emit (drivers/base/core.c:5011)
[   21.550160][  T461]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   21.550163][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.550165][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550167][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550169][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.550170][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.550174][  T461]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   21.550180][  T461]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.550183][  T461]  ? netdev_notice (net/core/dev.c:13194)
[   21.550186][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.550189][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.550191][  T461]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.550195][  T461]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.550197][  T461]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   21.550200][  T461]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.550203][  T461]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   21.550206][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.550209][  T461]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   21.550215][  T461]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   21.550217][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550227][  T461]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.550228][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.550230][  T461]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.550232][  T461]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.550234][  T461]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.550238][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550240][  T461]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   21.550242][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   21.550246][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.550248][  T461]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.550250][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550252][  T461]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.550253][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550255][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550256][  T461]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.550259][  T461]  ? __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)
[   21.550261][  T461]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.550263][  T461]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   21.550265][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.550268][  T461]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.550269][  T461]  ? nla_get_range_signed (lib/nlattr.c:270)
[   21.550272][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550275][  T461]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.550283][  T461]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   21.550286][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.550287][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550312][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.550314][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.550316][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.550318][  T461]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.550320][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550325][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.550327][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.550329][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.550331][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.550334][  T461]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   21.550336][  T461]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.550340][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.550341][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550345][  T461]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.550347][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.550351][  T461]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.550354][  T461]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.550357][  T461]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.550363][  T461]  ? 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))
[   21.550365][  T461]  ? 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))
[   21.550369][  T461]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.550373][  T461]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.550377][  T461]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.550380][  T461]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.550384][  T461]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.550386][  T461]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.550389][  T461]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.550394][  T461]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.550396][  T461]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   21.550399][  T461]  __sys_sendto (net/socket.c:2281)
[   21.550402][  T461]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   21.550416][  T461]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   21.550418][  T461]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.550422][  T461]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.550424][  T461]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   21.550426][  T461]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.550428][  T461]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.550431][  T461]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.550433][  T461] RIP: 0033:0x7fa38112254e
[   21.550437][  T461] 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
[   21.550439][  T461] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   21.550441][  T461] RAX: ffffffffffffffda RBX: 00005575c99c0460 RCX: 00007fa38112254e
[   21.550442][  T461] RDX: 0000000000000030 RSI: 00005575c9b386e0 RDI: 0000000000000012
[   21.550443][  T461] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   21.550444][  T461] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   21.550445][  T461] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   26.703189][  T672] softirqs last disabled at (35804): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.703191][  T672] Preemption disabled at:
| [   26.703192][  T672] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.703200][  T672] Tainted: [W]=WARN
[   26.703201][  T672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.703203][  T672] Call Trace:
[   26.703204][  T672]  <TASK>
[   26.703206][  T672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.703212][  T672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.703214][  T672]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.703218][  T672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.703222][  T672]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.703226][  T672]  __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))
[   26.703228][  T672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.703235][  T672]  ? 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)
[   26.703238][  T672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.703241][  T672]  put_chars (drivers/char/virtio_console.c:1176)
[   26.703250][  T672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.703251][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.703255][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.703258][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.703263][  T672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.703267][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703272][  T672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.703275][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703280][  T672]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.703284][  T672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.703285][  T672]  ? 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))
[   26.703289][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703290][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.703296][  T672]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.703300][  T672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.703302][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703308][  T672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.703310][  T672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.703312][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703314][  T672]  ? 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)
[   26.703318][  T672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.703320][  T672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.703322][  T672]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.703326][  T672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.703327][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.703329][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.703334][  T672]  dev_vprintk_emit (drivers/base/core.c:5000)
[   26.703339][  T672]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   26.703344][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.703346][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703350][  T672]  dev_printk_emit (drivers/base/core.c:5011)
[   26.703352][  T672]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   26.703355][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.703357][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703359][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703361][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.703362][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.703366][  T672]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   26.703372][  T672]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.703375][  T672]  ? netdev_notice (net/core/dev.c:13194)
[   26.703377][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.703380][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.703383][  T672]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.703386][  T672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.703388][  T672]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.703392][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.703395][  T672]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.703398][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.703400][  T672]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.703406][  T672]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.703409][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703412][  T672]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.703413][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.703415][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.703417][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.703419][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.703423][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703425][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   26.703427][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   26.703430][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.703432][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.703435][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703436][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.703438][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703439][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703441][  T672]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.703443][  T672]  ? __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)
[   26.703446][  T672]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.703448][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   26.703449][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.703452][  T672]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.703454][  T672]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.703458][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.703461][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.703468][  T672]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   26.703471][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.703472][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703494][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.703496][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.703499][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.703501][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   26.703503][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703508][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.703510][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.703511][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.703513][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.703517][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   26.703519][  T672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.703522][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.703523][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703528][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.703530][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.703533][  T672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.703536][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.703539][  T672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.703545][  T672]  ? 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))
[   26.703548][  T672]  ? 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))
[   26.703552][  T672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.703556][  T672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.703559][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.703563][  T672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.703567][  T672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.703568][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.703571][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.703576][  T672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.703578][  T672]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   26.703582][  T672]  __sys_sendto (net/socket.c:2281)
[   26.703585][  T672]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   26.703595][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   26.703601][  T672]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   26.703603][  T672]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.703606][  T672]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.703608][  T672]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   26.703610][  T672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.703612][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.703615][  T672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.703617][  T672] RIP: 0033:0x7fa38112254e
[   26.703621][  T672] 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
[   26.703623][  T672] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   26.703625][  T672] RAX: ffffffffffffffda RBX: 00005575c9b28010 RCX: 00007fa38112254e
[   26.703627][  T672] RDX: 0000000000000030 RSI: 00005575c99b2bd0 RDI: 0000000000000014
[   26.703628][  T672] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   26.703628][  T672] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   26.703629][  T672] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   29.687320][  T672] softirqs last disabled at (116024): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   29.687322][  T672] Preemption disabled at:
| [   29.687323][  T672] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.687331][  T672] Tainted: [W]=WARN
[   29.687332][  T672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.687334][  T672] Call Trace:
[   29.687335][  T672]  <TASK>
[   29.687337][  T672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.687343][  T672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.687345][  T672]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.687349][  T672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.687353][  T672]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.687358][  T672]  __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))
[   29.687359][  T672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.687366][  T672]  ? 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)
[   29.687369][  T672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.687373][  T672]  put_chars (drivers/char/virtio_console.c:1176)
[   29.687375][  T672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.687376][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.687380][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.687383][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.687388][  T672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.687392][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687397][  T672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.687400][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687405][  T672]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.687409][  T672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.687411][  T672]  ? 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))
[   29.687414][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687416][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.687420][  T672]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.687424][  T672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.687426][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687431][  T672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.687434][  T672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.687436][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687437][  T672]  ? 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)
[   29.687441][  T672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.687443][  T672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.687445][  T672]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.687449][  T672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.687450][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.687452][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.687458][  T672]  dev_vprintk_emit (drivers/base/core.c:5000)
[   29.687463][  T672]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   29.687468][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.687470][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687474][  T672]  dev_printk_emit (drivers/base/core.c:5011)
[   29.687476][  T672]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   29.687479][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.687481][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687483][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687485][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.687486][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.687490][  T672]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   29.687496][  T672]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.687499][  T672]  ? netdev_notice (net/core/dev.c:13194)
[   29.687502][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.687504][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.687507][  T672]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.687511][  T672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.687513][  T672]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   29.687516][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.687519][  T672]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   29.687522][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.687525][  T672]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   29.687531][  T672]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   29.687534][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687537][  T672]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.687538][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.687540][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.687542][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.687544][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.687548][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687550][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   29.687552][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   29.687555][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.687557][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.687560][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687561][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.687563][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687564][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687566][  T672]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.687568][  T672]  ? __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)
[   29.687571][  T672]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.687573][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   29.687574][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.687577][  T672]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.687579][  T672]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.687582][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687586][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.687593][  T672]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   29.687596][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.687597][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687621][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.687622][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.687625][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.687627][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.687629][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687634][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.687635][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.687637][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.687639][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.687643][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   29.687645][  T672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.687648][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.687650][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687654][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.687656][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.687660][  T672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.687663][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.687666][  T672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.687672][  T672]  ? 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))
[   29.687674][  T672]  ? 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))
[   29.687679][  T672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.687683][  T672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.687686][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.687690][  T672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.687694][  T672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.687695][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.687698][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.687703][  T672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.687706][  T672]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   29.687709][  T672]  __sys_sendto (net/socket.c:2281)
[   29.687712][  T672]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   29.687726][  T672]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   29.687728][  T672]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.687732][  T672]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.687734][  T672]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   29.687737][  T672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.687739][  T672]  ? irq_exit_rcu (kernel/softirq.c:786)
[   29.687743][  T672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.687745][  T672] RIP: 0033:0x7fa38112254e
[   29.687749][  T672] 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
[   29.687750][  T672] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   29.687753][  T672] RAX: ffffffffffffffda RBX: 00005575c9b28010 RCX: 00007fa38112254e
[   29.687754][  T672] RDX: 0000000000000030 RSI: 00005575c9b16880 RDI: 0000000000000014
[   29.687755][  T672] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   29.687756][  T672] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   29.687756][  T672] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   32.133433][  T672] softirqs last disabled at (170584): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   32.133436][  T672] Preemption disabled at:
| [   32.133436][  T672] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.133444][  T672] Tainted: [W]=WARN
[   32.133445][  T672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.133447][  T672] Call Trace:
[   32.133448][  T672]  <TASK>
[   32.133450][  T672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.133456][  T672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.133458][  T672]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.133462][  T672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.133466][  T672]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.133471][  T672]  __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))
[   32.133472][  T672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.133479][  T672]  ? 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)
[   32.133482][  T672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.133485][  T672]  put_chars (drivers/char/virtio_console.c:1176)
[   32.133488][  T672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.133489][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.133493][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.133495][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.133500][  T672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.133504][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133509][  T672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.133513][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133517][  T672]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.133521][  T672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.133523][  T672]  ? 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))
[   32.133526][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133528][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.133532][  T672]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.133536][  T672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.133538][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133544][  T672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.133546][  T672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.133548][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133550][  T672]  ? 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)
[   32.133554][  T672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.133556][  T672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.133558][  T672]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.133562][  T672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.133563][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.133565][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.133570][  T672]  dev_vprintk_emit (drivers/base/core.c:5000)
[   32.133576][  T672]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   32.133581][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.133583][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133586][  T672]  dev_printk_emit (drivers/base/core.c:5011)
[   32.133589][  T672]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   32.133592][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.133594][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133596][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133597][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.133599][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.133603][  T672]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   32.133609][  T672]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.133612][  T672]  ? netdev_notice (net/core/dev.c:13194)
[   32.133615][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.133618][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.133621][  T672]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.133624][  T672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.133626][  T672]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   32.133629][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.133633][  T672]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   32.133636][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.133638][  T672]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   32.133644][  T672]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   32.133647][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133650][  T672]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.133651][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.133653][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.133655][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.133657][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.133662][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133664][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.133665][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   32.133669][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.133671][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.133673][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133675][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.133676][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133678][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133679][  T672]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.133682][  T672]  ? __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)
[   32.133685][  T672]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.133687][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   32.133688][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.133691][  T672]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.133692][  T672]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.133696][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133700][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.133709][  T672]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   32.133712][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.133713][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133736][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.133738][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.133741][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.133743][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.133745][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133750][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.133752][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.133753][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.133755][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.133759][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   32.133761][  T672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.133764][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.133766][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133770][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.133772][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.133776][  T672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.133779][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.133782][  T672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.133788][  T672]  ? 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))
[   32.133790][  T672]  ? 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))
[   32.133795][  T672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.133799][  T672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.133803][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.133806][  T672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.133810][  T672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.133812][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.133815][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.133820][  T672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   32.133822][  T672]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   32.133826][  T672]  __sys_sendto (net/socket.c:2281)
[   32.133829][  T672]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   32.133840][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   32.133845][  T672]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   32.133847][  T672]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.133851][  T672]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   32.133853][  T672]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   32.133855][  T672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.133857][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.133860][  T672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.133862][  T672] RIP: 0033:0x7fa38112254e
[   32.133866][  T672] 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
[   32.133867][  T672] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   32.133870][  T672] RAX: ffffffffffffffda RBX: 00005575c9b28010 RCX: 00007fa38112254e
[   32.133871][  T672] RDX: 0000000000000030 RSI: 00005575c9b1ae50 RDI: 0000000000000014
[   32.133872][  T672] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   32.133872][  T672] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   32.133873][  T672] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   34.618904][  T672] softirqs last disabled at (219298): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.618907][  T672] Preemption disabled at:
| [   34.618907][  T672] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.618916][  T672] Tainted: [W]=WARN
[   34.618916][  T672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.618918][  T672] Call Trace:
[   34.618920][  T672]  <TASK>
[   34.618921][  T672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.618927][  T672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.618929][  T672]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.618933][  T672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.618937][  T672]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.618941][  T672]  __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))
[   34.618943][  T672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.618949][  T672]  ? 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)
[   34.618952][  T672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.618956][  T672]  put_chars (drivers/char/virtio_console.c:1176)
[   34.618958][  T672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.618959][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.618963][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.618965][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.618970][  T672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.618975][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.618980][  T672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.618983][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.618988][  T672]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.618992][  T672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.618994][  T672]  ? 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))
[   34.618997][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.618999][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.619002][  T672]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.619007][  T672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.619009][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619014][  T672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.619017][  T672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.619019][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.619020][  T672]  ? 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)
[   34.619024][  T672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.619026][  T672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.619028][  T672]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.619032][  T672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.619033][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.619035][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.619040][  T672]  dev_vprintk_emit (drivers/base/core.c:5000)
[   34.619046][  T672]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   34.619051][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.619053][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619056][  T672]  dev_printk_emit (drivers/base/core.c:5011)
[   34.619059][  T672]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   34.619062][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.619064][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619065][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619067][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.619069][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.619072][  T672]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   34.619079][  T672]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.619081][  T672]  ? netdev_notice (net/core/dev.c:13194)
[   34.619084][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.619087][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.619089][  T672]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.619093][  T672]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.619095][  T672]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.619098][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.619102][  T672]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.619104][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.619107][  T672]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.619113][  T672]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.619116][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619119][  T672]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.619120][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.619122][  T672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.619124][  T672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.619126][  T672]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.619130][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619132][  T672]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   34.619134][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   34.619137][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.619139][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.619142][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.619143][  T672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.619145][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.619146][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.619148][  T672]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.619150][  T672]  ? __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)
[   34.619153][  T672]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.619155][  T672]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   34.619157][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.619160][  T672]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.619161][  T672]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.619165][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619168][  T672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.619175][  T672]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   34.619179][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.619180][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619203][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.619205][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.619207][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.619209][  T672]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.619211][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619216][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.619218][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.619220][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.619221][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.619225][  T672]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   34.619227][  T672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.619230][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.619232][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619236][  T672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.619238][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.619242][  T672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.619245][  T672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.619248][  T672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.619254][  T672]  ? 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))
[   34.619256][  T672]  ? 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))
[   34.619261][  T672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.619265][  T672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.619268][  T672]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.619272][  T672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.619276][  T672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.619277][  T672]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.619285][  T672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.619289][  T672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.619294][  T672]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   34.619298][  T672]  __sys_sendto (net/socket.c:2281)
[   34.619301][  T672]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   34.619311][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   34.619317][  T672]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   34.619319][  T672]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.619323][  T672]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.619324][  T672]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   34.619327][  T672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.619329][  T672]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.619331][  T672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.619334][  T672] RIP: 0033:0x7fa38112254e
[   34.619337][  T672] 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
[   34.619339][  T672] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   34.619341][  T672] RAX: ffffffffffffffda RBX: 00005575c9b28010 RCX: 00007fa38112254e
[   34.619343][  T672] RDX: 0000000000000030 RSI: 00005575c9b2b310 RDI: 0000000000000014
[   34.619344][  T672] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   34.619344][  T672] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b3a430
[   34.619345][  T672] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   39.376705][ T1059] softirqs last disabled at (42434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   39.376707][ T1059] Preemption disabled at:
| [   39.376708][ T1059] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.376717][ T1059] Tainted: [W]=WARN
[   39.376718][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.376719][ T1059] Call Trace:
[   39.376721][ T1059]  <TASK>
[   39.376722][ T1059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.376729][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.376731][ T1059]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.376735][ T1059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.376739][ T1059]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.376743][ T1059]  __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))
[   39.376745][ T1059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.376752][ T1059]  ? 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)
[   39.376755][ T1059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.376759][ T1059]  put_chars (drivers/char/virtio_console.c:1176)
[   39.376761][ T1059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.376762][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.376766][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.376769][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.376774][ T1059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.376778][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376783][ T1059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.376786][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376791][ T1059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.376795][ T1059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.376797][ T1059]  ? 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))
[   39.376800][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376802][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.376806][ T1059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.376811][ T1059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.376813][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376818][ T1059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.376821][ T1059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.376823][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376824][ T1059]  ? 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)
[   39.376828][ T1059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.376830][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.376833][ T1059]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.376836][ T1059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.376837][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.376839][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   39.376845][ T1059]  dev_vprintk_emit (drivers/base/core.c:5000)
[   39.376850][ T1059]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   39.376856][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.376858][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376861][ T1059]  dev_printk_emit (drivers/base/core.c:5011)
[   39.376864][ T1059]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   39.376867][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.376869][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376871][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376873][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.376875][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.376878][ T1059]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   39.376885][ T1059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.376887][ T1059]  ? netdev_notice (net/core/dev.c:13194)
[   39.376890][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.376893][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.376896][ T1059]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.376899][ T1059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.376901][ T1059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   39.376904][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   39.376908][ T1059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   39.376911][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.376913][ T1059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   39.376920][ T1059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   39.376922][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376925][ T1059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.376927][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.376929][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.376931][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.376933][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.376937][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376939][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   39.376941][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   39.376944][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.376946][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   39.376949][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376951][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.376952][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376953][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376955][ T1059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.376957][ T1059]  ? __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)
[   39.376960][ T1059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.376962][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   39.376964][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.376967][ T1059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.376968][ T1059]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.376972][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.376976][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.376983][ T1059]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   39.376986][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   39.376988][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.377011][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.377013][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.377016][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.377018][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.377020][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.377025][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.377027][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.377029][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   39.377031][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.377034][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   39.377037][ T1059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.377040][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.377041][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.377046][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.377048][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.377051][ T1059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.377054][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.377057][ T1059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.377064][ T1059]  ? 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))
[   39.377066][ T1059]  ? 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))
[   39.377071][ T1059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.377075][ T1059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.377078][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.377082][ T1059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.377086][ T1059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.377088][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.377091][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.377096][ T1059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.377098][ T1059]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   39.377102][ T1059]  __sys_sendto (net/socket.c:2281)
[   39.377105][ T1059]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   39.377120][ T1059]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   39.377122][ T1059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.377126][ T1059]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   39.377128][ T1059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   39.377131][ T1059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.377133][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.377135][ T1059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.377137][ T1059] RIP: 0033:0x7fa38112254e
[   39.377141][ T1059] 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
[   39.377143][ T1059] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   39.377145][ T1059] RAX: ffffffffffffffda RBX: 00005575c99c6630 RCX: 00007fa38112254e
[   39.377146][ T1059] RDX: 0000000000000030 RSI: 00005575c9b40c80 RDI: 0000000000000012
[   39.377147][ T1059] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   39.377148][ T1059] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   39.377149][ T1059] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   44.244511][ T1059] softirqs last disabled at (151180): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   44.244513][ T1059] Preemption disabled at:
| [   44.244514][ T1059] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.244523][ T1059] Tainted: [W]=WARN
[   44.244524][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.244525][ T1059] Call Trace:
[   44.244527][ T1059]  <TASK>
[   44.244528][ T1059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.244535][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.244536][ T1059]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.244541][ T1059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.244545][ T1059]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.244550][ T1059]  __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))
[   44.244551][ T1059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.244558][ T1059]  ? 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)
[   44.244561][ T1059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.244565][ T1059]  put_chars (drivers/char/virtio_console.c:1176)
[   44.244567][ T1059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.244569][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.244572][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.244575][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.244580][ T1059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.244584][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244589][ T1059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.244592][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244597][ T1059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.244601][ T1059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.244603][ T1059]  ? 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))
[   44.244606][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244608][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244613][ T1059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.244617][ T1059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.244619][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244625][ T1059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.244628][ T1059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.244630][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244631][ T1059]  ? 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)
[   44.244635][ T1059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.244637][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.244640][ T1059]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.244643][ T1059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.244644][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.244647][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   44.244652][ T1059]  dev_vprintk_emit (drivers/base/core.c:5000)
[   44.244658][ T1059]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   44.244663][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.244665][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244669][ T1059]  dev_printk_emit (drivers/base/core.c:5011)
[   44.244671][ T1059]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   44.244674][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.244677][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244678][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244680][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.244682][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.244685][ T1059]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   44.244692][ T1059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.244695][ T1059]  ? netdev_notice (net/core/dev.c:13194)
[   44.244698][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.244701][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.244704][ T1059]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.244707][ T1059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.244709][ T1059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   44.244713][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   44.244716][ T1059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   44.244719][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.244722][ T1059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   44.244728][ T1059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   44.244731][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244734][ T1059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.244735][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.244737][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.244739][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.244741][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.244746][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244748][ T1059]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   44.244749][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   44.244753][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.244755][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   44.244758][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244759][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.244761][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244762][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244764][ T1059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.244766][ T1059]  ? __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)
[   44.244769][ T1059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.244771][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   44.244773][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.244776][ T1059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.244777][ T1059]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.244781][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244784][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.244792][ T1059]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   44.244795][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   44.244796][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244820][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.244822][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.244825][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.244827][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.244829][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244834][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.244836][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.244838][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   44.244839][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.244843][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   44.244845][ T1059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.244849][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.244850][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244855][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.244857][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.244860][ T1059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.244864][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.244866][ T1059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.244873][ T1059]  ? 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))
[   44.244875][ T1059]  ? 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))
[   44.244880][ T1059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.244884][ T1059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.244888][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.244891][ T1059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.244896][ T1059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.244897][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.244900][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.244905][ T1059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.244908][ T1059]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   44.244911][ T1059]  __sys_sendto (net/socket.c:2281)
[   44.244914][ T1059]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   44.244929][ T1059]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   44.244931][ T1059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.244935][ T1059]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.244938][ T1059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   44.244940][ T1059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.244942][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.244945][ T1059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.244947][ T1059] RIP: 0033:0x7fa38112254e
[   44.244951][ T1059] 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
[   44.244953][ T1059] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   44.244955][ T1059] RAX: ffffffffffffffda RBX: 00005575c99c6630 RCX: 00007fa38112254e
[   44.244957][ T1059] RDX: 0000000000000030 RSI: 00005575c9b1ae60 RDI: 0000000000000012
[   44.244957][ T1059] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   44.244958][ T1059] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   44.244959][ T1059] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   48.077725][ T1272] softirqs last disabled at (23374): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.077728][ T1272] Preemption disabled at:
| [   48.077729][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.077737][ T1272] Tainted: [W]=WARN
[   48.077738][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.077739][ T1272] Call Trace:
[   48.077741][ T1272]  <TASK>
[   48.077742][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.077748][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.077750][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.077755][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.077759][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.077763][ T1272]  __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))
[   48.077765][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.077772][ T1272]  ? 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)
[   48.077775][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.077778][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   48.077781][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.077782][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.077786][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.077789][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.077793][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.077797][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077803][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.077806][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.077811][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.077815][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.077817][ T1272]  ? 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))
[   48.077820][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.077822][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.077826][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.077830][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.077832][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077838][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.077841][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.077843][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.077844][ T1272]  ? 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)
[   48.077848][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.077850][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.077853][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.077856][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.077857][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.077860][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   48.077865][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   48.077871][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   48.077876][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.077878][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077882][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   48.077884][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   48.077887][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.077890][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077891][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077893][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.077895][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.077898][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   48.077905][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.077907][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   48.077910][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.077913][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.077916][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.077920][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.077922][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.077925][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   48.077928][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.077931][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.077934][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.077940][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.077943][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077946][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.077947][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.077949][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.077951][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.077953][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.077957][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077959][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   48.077961][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   48.077965][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.077967][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   48.077969][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.077971][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.077973][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.077974][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.077975][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.077978][ T1272]  ? __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)
[   48.077980][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.077983][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   48.077984][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.077987][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.077989][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.077992][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.077996][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.078003][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   48.078006][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   48.078008][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.078031][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.078033][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.078036][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.078038][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.078040][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.078044][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.078046][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.078048][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   48.078050][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.078054][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   48.078056][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.078059][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.078061][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.078065][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.078067][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.078071][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.078074][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.078077][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.078084][ T1272]  ? 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))
[   48.078086][ T1272]  ? 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))
[   48.078090][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.078094][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.078098][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.078102][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.078106][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.078107][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.078110][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.078115][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.078118][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   48.078122][ T1272]  __sys_sendto (net/socket.c:2281)
[   48.078125][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   48.078140][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   48.078142][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   48.078145][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   48.078148][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   48.078150][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.078152][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.078155][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.078157][ T1272] RIP: 0033:0x7fa38112254e
[   48.078161][ T1272] 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
[   48.078163][ T1272] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   48.078165][ T1272] RAX: ffffffffffffffda RBX: 00005575c9b30e00 RCX: 00007fa38112254e
[   48.078167][ T1272] RDX: 0000000000000030 RSI: 00005575c9b30d60 RDI: 0000000000000012
[   48.078167][ T1272] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   48.078168][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   48.078169][ T1272] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   50.258936][ T1272] softirqs last disabled at (108124): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   50.258939][ T1272] Preemption disabled at:
| [   50.258939][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.258948][ T1272] Tainted: [W]=WARN
[   50.258949][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.258950][ T1272] Call Trace:
[   50.258951][ T1272]  <TASK>
[   50.258953][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.258959][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.258960][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.258965][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.258969][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.258973][ T1272]  __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))
[   50.258975][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.258982][ T1272]  ? 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)
[   50.258985][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.258989][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   50.258991][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.258992][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.258996][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.258998][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.259004][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.259007][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259013][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.259016][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259020][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.259025][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.259026][ T1272]  ? 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))
[   50.259030][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259031][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.259035][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.259040][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.259042][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259047][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.259050][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.259052][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259053][ T1272]  ? 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)
[   50.259057][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.259059][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.259062][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.259065][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.259066][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.259068][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   50.259074][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   50.259079][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   50.259084][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.259086][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259090][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   50.259092][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   50.259095][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.259097][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259099][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259101][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.259102][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.259106][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   50.259112][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.259115][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   50.259118][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.259120][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.259123][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.259127][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.259129][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   50.259132][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   50.259135][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   50.259138][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.259141][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   50.259147][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   50.259150][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259153][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.259154][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.259156][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.259158][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.259160][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.259164][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259166][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   50.259168][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   50.259171][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.259173][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   50.259176][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259177][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.259179][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259180][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259182][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.259184][ T1272]  ? __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)
[   50.259187][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.259189][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   50.259190][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.259193][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.259194][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   50.259198][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259202][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.259209][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   50.259212][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   50.259213][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259237][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.259239][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.259241][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.259243][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   50.259245][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259250][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.259252][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.259254][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   50.259255][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.259259][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   50.259261][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.259265][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.259266][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259270][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.259272][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.259276][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.259279][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.259282][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.259289][ T1272]  ? 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))
[   50.259293][ T1272]  ? 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))
[   50.259298][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.259302][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.259306][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.259309][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.259313][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.259315][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.259318][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.259322][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.259325][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   50.259329][ T1272]  __sys_sendto (net/socket.c:2281)
[   50.259332][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   50.259346][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   50.259348][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.259356][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   50.259358][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   50.259361][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.259363][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.259366][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.259368][ T1272] RIP: 0033:0x7fa38112254e
[   50.259372][ T1272] 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
[   50.259374][ T1272] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   50.259376][ T1272] RAX: ffffffffffffffda RBX: 00005575c9b30e00 RCX: 00007fa38112254e
[   50.259377][ T1272] RDX: 0000000000000030 RSI: 00005575c9b07ff0 RDI: 0000000000000012
[   50.259378][ T1272] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   50.259379][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   50.259380][ T1272] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   52.385220][ T1272] softirqs last disabled at (159270): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.385223][ T1272] Preemption disabled at:
| [   52.385223][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.385232][ T1272] Tainted: [W]=WARN
[   52.385233][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.385235][ T1272] Call Trace:
[   52.385236][ T1272]  <TASK>
[   52.385238][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.385244][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.385246][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.385250][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.385254][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.385259][ T1272]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.385261][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.385267][ T1272]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.385270][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.385274][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   52.385276][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.385278][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.385281][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.385284][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.385289][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.385296][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385302][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.385305][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385310][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.385314][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.385316][ T1272]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.385320][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385321][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.385326][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.385330][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.385332][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385337][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.385340][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.385342][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385344][ T1272]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.385348][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.385350][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.385353][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.385356][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.385357][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.385359][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   52.385369][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   52.385374][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   52.385380][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.385382][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385386][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   52.385388][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   52.385391][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.385394][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385395][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385397][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.385399][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.385402][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   52.385409][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.385412][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   52.385415][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.385418][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.385420][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.385424][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.385426][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.385429][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   52.385433][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.385436][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.385438][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.385444][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.385447][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385450][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.385452][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.385454][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.385455][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.385457][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.385462][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385464][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   52.385466][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   52.385469][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.385471][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   52.385474][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385476][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.385478][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385479][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385480][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.385483][ T1272]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   52.385486][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.385488][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   52.385490][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.385493][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.385494][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.385498][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385501][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.385509][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   52.385512][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   52.385513][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385537][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.385539][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.385541][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.385543][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   52.385546][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385550][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.385552][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.385554][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   52.385556][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.385560][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   52.385562][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.385565][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.385566][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385571][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.385573][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.385577][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.385580][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.385583][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.385589][ T1272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.385592][ T1272]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.385596][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.385600][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.385604][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.385608][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.385612][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.385614][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.385616][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.385621][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.385624][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   52.385628][ T1272]  __sys_sendto (net/socket.c:2281)
[   52.385631][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   52.385646][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   52.385648][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   52.385652][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   52.385654][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   52.385657][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.385659][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.385661][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.385664][ T1272] RIP: 0033:0x7fa38112254e
[   52.385667][ T1272] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.385669][ T1272] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   52.385672][ T1272] RAX: ffffffffffffffda RBX: 00005575c9b30e00 RCX: 00007fa38112254e
[   52.385673][ T1272] RDX: 0000000000000030 RSI: 00005575c99a9520 RDI: 0000000000000012
[   52.385674][ T1272] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   52.385675][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960
[   52.385675][ T1272] R13: 00007ffe8373b6b4 R14: 0000000000000000 R15: 0000000000000000
| [   54.330492][ T1272] softirqs last disabled at (223760): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.330494][ T1272] Preemption disabled at:
| [   54.330495][ T1272] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.330503][ T1272] Tainted: [W]=WARN
[   54.330504][ T1272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.330506][ T1272] Call Trace:
[   54.330507][ T1272]  <TASK>
[   54.330509][ T1272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.330515][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.330517][ T1272]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.330522][ T1272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.330526][ T1272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.330530][ T1272]  __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))
[   54.330532][ T1272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.330539][ T1272]  ? 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)
[   54.330542][ T1272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.330546][ T1272]  put_chars (drivers/char/virtio_console.c:1176)
[   54.330549][ T1272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.330550][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.330554][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.330557][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.330562][ T1272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.330566][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330571][ T1272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.330575][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330579][ T1272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.330584][ T1272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.330586][ T1272]  ? 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))
[   54.330589][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330591][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.330595][ T1272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.330599][ T1272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.330601][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330607][ T1272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.330610][ T1272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.330612][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330614][ T1272]  ? 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)
[   54.330618][ T1272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.330620][ T1272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.330623][ T1272]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.330626][ T1272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.330627][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   54.330629][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330632][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   54.330634][ T1272]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   54.330638][ T1272]  dev_vprintk_emit (drivers/base/core.c:5000)
[   54.330644][ T1272]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   54.330645][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   54.330651][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.330655][ T1272]  dev_printk_emit (drivers/base/core.c:5011)
[   54.330657][ T1272]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   54.330660][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.330663][ T1272]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   54.330666][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.330668][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.330672][ T1272]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   54.330678][ T1272]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.330681][ T1272]  ? netdev_notice (net/core/dev.c:13194)
[   54.330684][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.330687][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.330689][ T1272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.330693][ T1272]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.330695][ T1272]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.330698][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   54.330702][ T1272]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.330705][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.330707][ T1272]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.330713][ T1272]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.330716][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330719][ T1272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.330721][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   54.330723][ T1272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.330725][ T1272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.330727][ T1272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.330731][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330733][ T1272]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   54.330735][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   54.330739][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.330741][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   54.330743][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330745][ T1272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.330747][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330748][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330749][ T1272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.330752][ T1272]  ? __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)
[   54.330755][ T1272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.330757][ T1272]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   54.330759][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   54.330762][ T1272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.330763][ T1272]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.330767][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330770][ T1272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.330778][ T1272]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   54.330781][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   54.330782][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330807][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.330809][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.330811][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.330813][ T1272]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   54.330816][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330820][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.330822][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.330824][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   54.330826][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.330830][ T1272]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   54.330832][ T1272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.330835][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.330837][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330842][ T1272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.330844][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.330847][ T1272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.330850][ T1272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.330853][ T1272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.330860][ T1272]  ? 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))
[   54.330862][ T1272]  ? 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))
[   54.330867][ T1272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.330871][ T1272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.330875][ T1272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.330879][ T1272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.330883][ T1272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.330885][ T1272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.330887][ T1272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.330893][ T1272]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.330895][ T1272]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   54.330899][ T1272]  __sys_sendto (net/socket.c:2281)
[   54.330902][ T1272]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   54.330914][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   54.330919][ T1272]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   54.330921][ T1272]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.330925][ T1272]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   54.330926][ T1272]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   54.330929][ T1272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.330931][ T1272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.330933][ T1272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.330936][ T1272] RIP: 0033:0x7fa38112254e
[   54.330940][ T1272] 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
[   54.330942][ T1272] RSP: 002b:00007ffe8373b570 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   54.330944][ T1272] RAX: ffffffffffffffda RBX: 00005575c9b30e00 RCX: 00007fa38112254e
[   54.330946][ T1272] RDX: 0000000000000030 RSI: 00005575c9b21990 RDI: 0000000000000012
[   54.330947][ T1272] RBP: 00007ffe8373b580 R08: 00007ffe8373b5d0 R09: 0000000000000080
[   54.330947][ T1272] R10: 0000000000000000 R11: 0000000000000202 R12: 00005575c9b31960


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