======================================
| [   10.507138][  T199] softirqs last disabled at (46682): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.507141][  T199] Preemption disabled at:
| [   10.507141][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.507149][  T199] Tainted: [W]=WARN
[   10.507150][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.507152][  T199] Call Trace:
[   10.507153][  T199]  <TASK>
[   10.507154][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.507160][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.507162][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.507166][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.507170][  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)
[   10.507175][  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))
[   10.507177][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.507183][  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)
[   10.507186][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.507189][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   10.507192][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.507195][  T199]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.507200][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.507204][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507209][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.507212][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507218][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.507222][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.507223][  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))
[   10.507227][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507229][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.507233][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.507237][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.507239][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507244][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.507247][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.507249][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507250][  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)
[   10.507254][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.507256][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.507258][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.507261][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.507263][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[   10.507266][  T199]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.507269][  T199]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   10.507274][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   10.507279][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   10.507287][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   10.507290][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   10.507294][  T199]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   10.507299][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   10.507305][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.507308][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   10.507311][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.507314][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.507316][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.507320][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.507322][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.507325][  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))
[   10.507328][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.507331][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.507333][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.507339][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.507342][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507345][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.507346][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.507348][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.507350][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.507353][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.507357][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507359][  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))
[   10.507361][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   10.507364][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.507366][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.507369][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507370][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.507372][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507373][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507375][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.507377][  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)
[   10.507380][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.507382][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   10.507383][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.507386][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.507387][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.507391][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507395][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.507402][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   10.507405][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.507406][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507429][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.507431][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.507434][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.507436][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.507438][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507443][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.507444][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.507446][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.507448][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.507452][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   10.507454][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.507457][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.507458][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507463][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.507468][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.507472][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.507475][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.507478][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.507485][  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))
[   10.507487][  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))
[   10.507492][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.507496][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.507499][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.507503][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.507507][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.507508][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.507511][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.507516][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.507519][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   10.507522][  T199]  __sys_sendto (net/socket.c:2281)
[   10.507525][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   10.507536][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   10.507542][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   10.507544][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.507548][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.507549][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   10.507552][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.507554][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.507558][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.507560][  T199] RIP: 0033:0x7f807960854e
[   10.507564][  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
[   10.507565][  T199] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   10.507568][  T199] RAX: ffffffffffffffda RBX: 000056281bb50aa0 RCX: 00007f807960854e
[   10.507569][  T199] RDX: 0000000000000030 RSI: 000056281b9d0e00 RDI: 0000000000000014
[   10.507570][  T199] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   10.507571][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb24900
[   10.507571][  T199] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   12.655714][  T199] softirqs last disabled at (99052): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.655717][  T199] Preemption disabled at:
| [   12.655717][  T199] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.655726][  T199] Tainted: [W]=WARN
[   12.655726][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.655728][  T199] Call Trace:
[   12.655730][  T199]  <TASK>
[   12.655731][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.655737][  T199]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.655739][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.655743][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.655747][  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)
[   12.655752][  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))
[   12.655754][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.655760][  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)
[   12.655763][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.655767][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   12.655769][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.655770][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.655774][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.655776][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.655781][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.655788][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655794][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.655797][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655801][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.655805][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.655807][  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))
[   12.655810][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655812][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.655816][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.655820][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.655822][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655828][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.655830][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.655832][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655834][  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)
[   12.655838][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.655840][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.655842][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.655846][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.655847][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.655849][  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))
[   12.655854][  T199]  dev_vprintk_emit (drivers/base/core.c:5000)
[   12.655859][  T199]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   12.655864][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.655867][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655870][  T199]  dev_printk_emit (drivers/base/core.c:5011)
[   12.655872][  T199]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   12.655875][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.655878][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655879][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655881][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.655883][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.655886][  T199]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   12.655893][  T199]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.655895][  T199]  ? netdev_notice (net/core/dev.c:13194)
[   12.655898][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.655901][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.655904][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.655907][  T199]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.655909][  T199]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.655912][  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))
[   12.655916][  T199]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.655919][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.655921][  T199]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.655927][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.655930][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655933][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.655935][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.655936][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.655938][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.655940][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.655945][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655947][  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))
[   12.655948][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   12.655952][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.655954][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.655956][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655958][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.655960][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655961][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655962][  T199]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.655965][  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)
[   12.655968][  T199]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.655969][  T199]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   12.655971][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.655974][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.655975][  T199]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.655979][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.655982][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.655990][  T199]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   12.655993][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.655994][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.656017][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.656019][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.656022][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.656024][  T199]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.656026][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.656030][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.656032][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.656034][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.656036][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.656040][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   12.656042][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.656045][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.656046][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.656051][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.656053][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.656056][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.656059][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.656062][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.656069][  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))
[   12.656071][  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))
[   12.656075][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.656079][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.656083][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.656086][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.656090][  T199]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.656092][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.656095][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.656100][  T199]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.656102][  T199]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   12.656106][  T199]  __sys_sendto (net/socket.c:2281)
[   12.656109][  T199]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   12.656124][  T199]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   12.656126][  T199]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.656129][  T199]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.656131][  T199]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.656134][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.656136][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.656138][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.656140][  T199] RIP: 0033:0x7f807960854e
[   12.656144][  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
[   12.656146][  T199] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   12.656149][  T199] RAX: ffffffffffffffda RBX: 000056281bb50aa0 RCX: 00007f807960854e
[   12.656150][  T199] RDX: 0000000000000030 RSI: 000056281b9c9600 RDI: 0000000000000014
[   12.656151][  T199] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   12.656151][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb3c4f0
[   12.656152][  T199] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   18.857355][  T199] softirqs last disabled at (150120): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   18.857358][  T199] Preemption disabled at:
| [   18.857359][  T199] 0x0
| [   18.857369][  T199] Tainted: [W]=WARN
[   18.857369][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.857371][  T199] Call Trace:
[   18.857372][  T199]  <TASK>
[   18.857374][  T199]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.857380][  T199]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.857385][  T199]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.857389][  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)
[   18.857393][  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))
[   18.857395][  T199]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.857402][  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)
[   18.857404][  T199]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.857408][  T199]  put_chars (drivers/char/virtio_console.c:1176)
[   18.857411][  T199]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.857412][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.857415][  T199]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.857421][  T199]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.857428][  T199]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.857431][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.857433][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.857437][  T199]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.857441][  T199]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.857443][  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))
[   18.857446][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.857448][  T199]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.857452][  T199]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.857456][  T199]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.857457][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.857463][  T199]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.857465][  T199]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.857467][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.857469][  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)
[   18.857473][  T199]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.857474][  T199]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.857477][  T199]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.857480][  T199]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.857483][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.857487][  T199]  _printk (kernel/printk/printk.c:2504)
[   18.857490][  T199]  ? snapshot_read.cold (user.c:?)
[   18.857493][  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)
[   18.857500][  T199]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   18.857504][  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)
[   18.857507][  T199]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   18.857510][  T199]  ? exit_notify (kernel/exit.c:780)
[   18.857512][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.857514][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.857518][  T199]  do_group_exit (kernel/exit.c:1151)
[   18.857521][  T199]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   18.857523][  T199]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   18.857525][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.857529][  T199]  ? irq_exit_rcu (kernel/softirq.c:786)
[   18.857532][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.857534][  T199] RIP: 0033:0x7f80796591b8
[   18.857536][  T199] Code: Unable to access opcode bytes at 0x7f807965918e.

Code starting with the faulting instruction
===========================================
[   18.857538][  T199] RSP: 002b:00007ffd74349458 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[   18.857540][  T199] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80796591b8
[   18.857541][  T199] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000
[   18.857542][  T199] RBP: 00007ffd743495e0 R08: 000056281bb52e28 R09: 0000000000000000
[   18.857543][  T199] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000
[   18.857544][  T199] R13: 00007f8078eb7050 R14: 00007f8079b8ad9e R15: 000056281b9d05e0
| [   20.280609][  T460] softirqs last disabled at (37570): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   20.280611][  T460] Preemption disabled at:
| [   20.280612][  T460] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.280620][  T460] Tainted: [W]=WARN
[   20.280621][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.280623][  T460] Call Trace:
[   20.280624][  T460]  <TASK>
[   20.280626][  T460]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.280632][  T460]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.280633][  T460]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.280638][  T460]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.280642][  T460]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.280647][  T460]  __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))
[   20.280648][  T460]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.280655][  T460]  ? 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)
[   20.280657][  T460]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.280661][  T460]  put_chars (drivers/char/virtio_console.c:1176)
[   20.280663][  T460]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.280665][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.280668][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.280671][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.280676][  T460]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.280680][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280685][  T460]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.280688][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280693][  T460]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.280697][  T460]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.280699][  T460]  ? 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))
[   20.280702][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280704][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.280708][  T460]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.280712][  T460]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.280714][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280719][  T460]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.280722][  T460]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.280724][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280726][  T460]  ? 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)
[   20.280730][  T460]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.280731][  T460]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.280734][  T460]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.280737][  T460]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.280738][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.280741][  T460]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.280746][  T460]  dev_vprintk_emit (drivers/base/core.c:5000)
[   20.280751][  T460]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   20.280756][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.280758][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280761][  T460]  dev_printk_emit (drivers/base/core.c:5011)
[   20.280764][  T460]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   20.280767][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.280769][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280771][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280772][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.280774][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.280777][  T460]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   20.280784][  T460]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.280786][  T460]  ? netdev_notice (net/core/dev.c:13194)
[   20.280789][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.280792][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.280795][  T460]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.280798][  T460]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.280800][  T460]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   20.280803][  T460]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.280807][  T460]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   20.280809][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.280812][  T460]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   20.280818][  T460]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   20.280821][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280824][  T460]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.280825][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.280827][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.280829][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.280831][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.280835][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280837][  T460]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   20.280839][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   20.280842][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.280844][  T460]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.280847][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280849][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.280850][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280851][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280853][  T460]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.280855][  T460]  ? __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)
[   20.280858][  T460]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.280860][  T460]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   20.280862][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.280865][  T460]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.280866][  T460]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.280870][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280873][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.280880][  T460]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   20.280883][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.280885][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280908][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.280910][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.280913][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.280914][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.280917][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280921][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.280923][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.280925][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.280927][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.280931][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   20.280933][  T460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.280936][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.280937][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280942][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.280944][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.280947][  T460]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.280951][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.280954][  T460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.280960][  T460]  ? 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))
[   20.280962][  T460]  ? 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))
[   20.280967][  T460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.280971][  T460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.280975][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.280978][  T460]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.280982][  T460]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.280984][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.280986][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.280991][  T460]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.280994][  T460]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   20.280998][  T460]  __sys_sendto (net/socket.c:2281)
[   20.281001][  T460]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   20.281012][  T460]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   20.281017][  T460]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   20.281019][  T460]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.281023][  T460]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.281024][  T460]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   20.281027][  T460]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.281029][  T460]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.281031][  T460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.281033][  T460] RIP: 0033:0x7f807960854e
[   20.281037][  T460] 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
[   20.281039][  T460] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   20.281041][  T460] RAX: ffffffffffffffda RBX: 000056281b9c2df0 RCX: 00007f807960854e
[   20.281042][  T460] RDX: 0000000000000030 RSI: 000056281bb228e0 RDI: 0000000000000012
[   20.281043][  T460] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   20.281044][  T460] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb271d0
[   20.281045][  T460] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   22.431302][  T460] softirqs last disabled at (126994): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.431304][  T460] Preemption disabled at:
| [   22.431305][  T460] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.431313][  T460] Tainted: [W]=WARN
[   22.431314][  T460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.431316][  T460] Call Trace:
[   22.431317][  T460]  <TASK>
[   22.431319][  T460]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.431324][  T460]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.431326][  T460]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.431330][  T460]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.431335][  T460]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.431339][  T460]  __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))
[   22.431341][  T460]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.431348][  T460]  ? 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)
[   22.431350][  T460]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.431354][  T460]  put_chars (drivers/char/virtio_console.c:1176)
[   22.431357][  T460]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.431358][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.431361][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.431364][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.431369][  T460]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.431373][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431378][  T460]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.431382][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431386][  T460]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.431390][  T460]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.431392][  T460]  ? 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))
[   22.431396][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431397][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.431401][  T460]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.431406][  T460]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.431408][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431413][  T460]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.431416][  T460]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.431418][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431419][  T460]  ? 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)
[   22.431423][  T460]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.431425][  T460]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.431427][  T460]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.431431][  T460]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.431432][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.431434][  T460]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.431439][  T460]  dev_vprintk_emit (drivers/base/core.c:5000)
[   22.431445][  T460]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   22.431450][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.431452][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431456][  T460]  dev_printk_emit (drivers/base/core.c:5011)
[   22.431458][  T460]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   22.431461][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.431463][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431465][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431466][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.431468][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.431472][  T460]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   22.431478][  T460]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.431481][  T460]  ? netdev_notice (net/core/dev.c:13194)
[   22.431484][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.431487][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.431489][  T460]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.431492][  T460]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.431495][  T460]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.431498][  T460]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.431501][  T460]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.431504][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.431507][  T460]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.431520][  T460]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.431523][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431526][  T460]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.431527][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.431529][  T460]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.431531][  T460]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.431533][  T460]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.431537][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431539][  T460]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   22.431541][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   22.431544][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.431546][  T460]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.431549][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431550][  T460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.431552][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431553][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431557][  T460]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.431559][  T460]  ? __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)
[   22.431562][  T460]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.431564][  T460]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   22.431566][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.431569][  T460]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.431570][  T460]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.431574][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431577][  T460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.431584][  T460]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   22.431587][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.431588][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431611][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.431613][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.431615][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.431617][  T460]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.431619][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431624][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.431626][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.431628][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.431629][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.431633][  T460]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   22.431635][  T460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.431638][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.431640][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431644][  T460]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.431646][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.431649][  T460]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.431653][  T460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.431655][  T460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.431662][  T460]  ? 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))
[   22.431664][  T460]  ? 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))
[   22.431668][  T460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.431672][  T460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.431676][  T460]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.431679][  T460]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.431683][  T460]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.431685][  T460]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.431688][  T460]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.431692][  T460]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.431695][  T460]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   22.431699][  T460]  __sys_sendto (net/socket.c:2281)
[   22.431702][  T460]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   22.431716][  T460]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   22.431718][  T460]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.431722][  T460]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.431724][  T460]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   22.431727][  T460]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.431728][  T460]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.431731][  T460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.431733][  T460] RIP: 0033:0x7f807960854e
[   22.431737][  T460] 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
[   22.431739][  T460] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   22.431741][  T460] RAX: ffffffffffffffda RBX: 000056281b9c2df0 RCX: 00007f807960854e
[   22.431742][  T460] RDX: 0000000000000030 RSI: 000056281b9d05e0 RDI: 0000000000000012
[   22.431743][  T460] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   22.431744][  T460] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb271d0
[   22.431745][  T460] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   27.707966][  T671] softirqs last disabled at (40344): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   27.707968][  T671] Preemption disabled at:
| [   27.707969][  T671] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.707978][  T671] Tainted: [W]=WARN
[   27.707979][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.707980][  T671] Call Trace:
[   27.707982][  T671]  <TASK>
[   27.707983][  T671]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.707989][  T671]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.707991][  T671]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.707995][  T671]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.707999][  T671]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.708004][  T671]  __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))
[   27.708006][  T671]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.708012][  T671]  ? 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)
[   27.708015][  T671]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.708019][  T671]  put_chars (drivers/char/virtio_console.c:1176)
[   27.708021][  T671]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.708023][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.708026][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.708029][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.708034][  T671]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.708038][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708043][  T671]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.708047][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708051][  T671]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.708055][  T671]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.708057][  T671]  ? 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))
[   27.708060][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708062][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.708066][  T671]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.708070][  T671]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.708072][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708078][  T671]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.708080][  T671]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.708082][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708084][  T671]  ? 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)
[   27.708088][  T671]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.708089][  T671]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.708092][  T671]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.708095][  T671]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.708097][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.708099][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.708105][  T671]  dev_vprintk_emit (drivers/base/core.c:5000)
[   27.708110][  T671]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   27.708115][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.708117][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708121][  T671]  dev_printk_emit (drivers/base/core.c:5011)
[   27.708123][  T671]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   27.708126][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.708129][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708130][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708132][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.708134][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.708137][  T671]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   27.708143][  T671]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.708146][  T671]  ? netdev_notice (net/core/dev.c:13194)
[   27.708149][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.708152][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.708154][  T671]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.708158][  T671]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.708160][  T671]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   27.708163][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.708166][  T671]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   27.708169][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.708172][  T671]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   27.708178][  T671]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   27.708181][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708184][  T671]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.708185][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.708187][  T671]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.708189][  T671]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.708191][  T671]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.708195][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708197][  T671]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   27.708199][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   27.708202][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.708204][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.708207][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708209][  T671]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.708210][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708211][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708213][  T671]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.708215][  T671]  ? __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)
[   27.708218][  T671]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.708220][  T671]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   27.708222][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.708225][  T671]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.708226][  T671]  ? nla_get_range_signed (lib/nlattr.c:270)
[   27.708230][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708234][  T671]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.708241][  T671]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   27.708244][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.708246][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708269][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.708271][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.708274][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.708275][  T671]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.708277][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708282][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.708284][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.708286][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.708288][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.708291][  T671]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   27.708293][  T671]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.708297][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.708298][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708303][  T671]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.708305][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.708308][  T671]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.708311][  T671]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.708314][  T671]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.708321][  T671]  ? 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))
[   27.708323][  T671]  ? 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))
[   27.708328][  T671]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.708332][  T671]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.708335][  T671]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.708339][  T671]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.708343][  T671]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.708345][  T671]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.708347][  T671]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.708352][  T671]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.708355][  T671]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.708359][  T671]  __sys_sendto (net/socket.c:2281)
[   27.708362][  T671]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.708372][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   27.708378][  T671]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.708380][  T671]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.708384][  T671]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.708385][  T671]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.708388][  T671]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.708390][  T671]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.708392][  T671]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.708395][  T671] RIP: 0033:0x7f807960854e
[   27.708398][  T671] 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
[   27.708400][  T671] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.708403][  T671] RAX: ffffffffffffffda RBX: 000056281b9cffc0 RCX: 00007f807960854e
[   27.708404][  T671] RDX: 0000000000000030 RSI: 000056281bb228e0 RDI: 0000000000000012
[   27.708405][  T671] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   27.708405][  T671] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb2d600
[   27.708406][  T671] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   30.713766][  T768] softirqs last disabled at (27504): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   30.713769][  T768] Preemption disabled at:
| [   30.713769][  T768] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.713778][  T768] Tainted: [W]=WARN
[   30.713779][  T768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.713780][  T768] Call Trace:
[   30.713782][  T768]  <TASK>
[   30.713783][  T768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.713789][  T768]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.713790][  T768]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.713795][  T768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.713799][  T768]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.713803][  T768]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.713805][  T768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.713812][  T768]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.713814][  T768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.713818][  T768]  put_chars (drivers/char/virtio_console.c:1176)
[   30.713821][  T768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.713822][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.713825][  T768]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.713828][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.713833][  T768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.713837][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713842][  T768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.713845][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.713850][  T768]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.713854][  T768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.713856][  T768]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   30.713859][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.713861][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.713865][  T768]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.713869][  T768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.713871][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713876][  T768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.713879][  T768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.713881][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.713882][  T768]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.713886][  T768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.713888][  T768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.713891][  T768]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.713894][  T768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.713895][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.713897][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.713903][  T768]  dev_vprintk_emit (drivers/base/core.c:5000)
[   30.713909][  T768]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   30.713914][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.713916][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713919][  T768]  dev_printk_emit (drivers/base/core.c:5011)
[   30.713922][  T768]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   30.713925][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.713927][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713928][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713930][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.713932][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.713935][  T768]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   30.713942][  T768]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.713944][  T768]  ? netdev_notice (net/core/dev.c:13194)
[   30.713947][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.713950][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.713952][  T768]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.713956][  T768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.713958][  T768]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   30.713961][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.713965][  T768]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   30.713967][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.713970][  T768]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   30.713976][  T768]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   30.713979][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713982][  T768]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.713983][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.713985][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.713987][  T768]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.713988][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.713993][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.713995][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   30.713996][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   30.714000][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.714002][  T768]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.714004][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.714006][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.714008][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.714009][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.714010][  T768]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.714013][  T768]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   30.714016][  T768]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.714018][  T768]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   30.714020][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.714023][  T768]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.714024][  T768]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.714028][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.714031][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.714038][  T768]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   30.714041][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.714042][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.714065][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.714067][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.714069][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.714071][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.714073][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.714078][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.714080][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.714082][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.714083][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.714087][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   30.714089][  T768]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.714092][  T768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.714094][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.714098][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.714100][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.714104][  T768]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.714107][  T768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.714110][  T768]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.714116][  T768]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.714118][  T768]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.714123][  T768]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.714127][  T768]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.714130][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.714134][  T768]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.714138][  T768]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.714139][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.714142][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.714147][  T768]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.714149][  T768]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   30.714153][  T768]  __sys_sendto (net/socket.c:2281)
[   30.714156][  T768]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.714167][  T768]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   30.714172][  T768]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.714174][  T768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.714178][  T768]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.714179][  T768]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.714182][  T768]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.714184][  T768]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.714186][  T768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.714189][  T768] RIP: 0033:0x7f807960854e
[   30.714192][  T768] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.714194][  T768] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.714197][  T768] RAX: ffffffffffffffda RBX: 000056281bb50c20 RCX: 00007f807960854e
[   30.714198][  T768] RDX: 0000000000000030 RSI: 000056281bb54340 RDI: 0000000000000016
[   30.714199][  T768] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   30.714200][  T768] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb53f10
[   30.714200][  T768] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   33.158320][  T768] softirqs last disabled at (106868): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   33.158322][  T768] Preemption disabled at:
| [   33.158323][  T768] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.158331][  T768] Tainted: [W]=WARN
[   33.158332][  T768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.158334][  T768] Call Trace:
[   33.158335][  T768]  <TASK>
[   33.158337][  T768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.158343][  T768]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.158345][  T768]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.158349][  T768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.158353][  T768]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.158358][  T768]  __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))
[   33.158360][  T768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.158367][  T768]  ? 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)
[   33.158370][  T768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.158373][  T768]  put_chars (drivers/char/virtio_console.c:1176)
[   33.158376][  T768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.158377][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.158380][  T768]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.158383][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.158388][  T768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.158392][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158397][  T768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.158401][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158405][  T768]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.158409][  T768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.158411][  T768]  ? 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))
[   33.158415][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158416][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.158420][  T768]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.158425][  T768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.158426][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158432][  T768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.158435][  T768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.158436][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158438][  T768]  ? 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)
[   33.158442][  T768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.158444][  T768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.158446][  T768]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.158449][  T768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.158451][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.158453][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.158458][  T768]  dev_vprintk_emit (drivers/base/core.c:5000)
[   33.158463][  T768]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   33.158468][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.158470][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158474][  T768]  dev_printk_emit (drivers/base/core.c:5011)
[   33.158476][  T768]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   33.158479][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.158482][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158483][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158485][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.158487][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.158490][  T768]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   33.158497][  T768]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.158500][  T768]  ? netdev_notice (net/core/dev.c:13194)
[   33.158502][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.158505][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.158508][  T768]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   33.158511][  T768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.158514][  T768]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   33.158516][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.158520][  T768]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   33.158522][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.158525][  T768]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.158531][  T768]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   33.158534][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158537][  T768]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.158538][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.158540][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.158542][  T768]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.158544][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.158549][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158557][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   33.158559][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   33.158562][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.158564][  T768]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   33.158567][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158569][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.158571][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158572][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158573][  T768]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.158576][  T768]  ? __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)
[   33.158578][  T768]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.158580][  T768]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   33.158582][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.158585][  T768]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.158587][  T768]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.158590][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158594][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.158601][  T768]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   33.158604][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.158605][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158629][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.158630][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.158633][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.158635][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.158637][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158642][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.158644][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.158646][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.158647][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.158651][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   33.158653][  T768]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.158656][  T768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.158658][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158662][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.158664][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.158668][  T768]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.158671][  T768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.158674][  T768]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.158680][  T768]  ? 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))
[   33.158682][  T768]  ? 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))
[   33.158687][  T768]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.158691][  T768]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.158695][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.158698][  T768]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.158702][  T768]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.158704][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.158707][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.158711][  T768]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.158715][  T768]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   33.158718][  T768]  __sys_sendto (net/socket.c:2281)
[   33.158721][  T768]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   33.158736][  T768]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   33.158738][  T768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.158741][  T768]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   33.158744][  T768]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   33.158746][  T768]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.158748][  T768]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.158751][  T768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.158753][  T768] RIP: 0033:0x7f807960854e
[   33.158757][  T768] 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
[   33.158759][  T768] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   33.158761][  T768] RAX: ffffffffffffffda RBX: 000056281bb50c20 RCX: 00007f807960854e
[   33.158763][  T768] RDX: 0000000000000030 RSI: 000056281b9d4db0 RDI: 0000000000000016
[   33.158764][  T768] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   33.158764][  T768] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb47a50
[   33.158765][  T768] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   35.687092][  T768] softirqs last disabled at (167384): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.687095][  T768] Preemption disabled at:
| [   35.687096][  T768] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.687104][  T768] Tainted: [W]=WARN
[   35.687105][  T768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.687106][  T768] Call Trace:
[   35.687108][  T768]  <TASK>
[   35.687109][  T768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.687115][  T768]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.687117][  T768]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.687121][  T768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.687126][  T768]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.687131][  T768]  __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))
[   35.687132][  T768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.687139][  T768]  ? 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)
[   35.687142][  T768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.687146][  T768]  put_chars (drivers/char/virtio_console.c:1176)
[   35.687148][  T768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.687149][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.687153][  T768]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.687156][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.687161][  T768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.687165][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687171][  T768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.687174][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687178][  T768]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.687182][  T768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.687184][  T768]  ? 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))
[   35.687188][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687189][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.687193][  T768]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.687198][  T768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.687199][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687205][  T768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.687208][  T768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.687210][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687211][  T768]  ? 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)
[   35.687215][  T768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.687217][  T768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.687220][  T768]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.687223][  T768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.687229][  T768]  dev_vprintk_emit (drivers/base/core.c:5000)
[   35.687234][  T768]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   35.687240][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.687242][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687245][  T768]  dev_printk_emit (drivers/base/core.c:5011)
[   35.687248][  T768]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   35.687251][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.687253][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687255][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687257][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.687258][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.687262][  T768]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   35.687268][  T768]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.687271][  T768]  ? netdev_notice (net/core/dev.c:13194)
[   35.687274][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.687277][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.687279][  T768]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.687283][  T768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.687285][  T768]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.687288][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.687292][  T768]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.687294][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.687297][  T768]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.687303][  T768]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.687306][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687309][  T768]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.687310][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.687312][  T768]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.687314][  T768]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.687316][  T768]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.687321][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687322][  T768]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   35.687324][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   35.687328][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.687330][  T768]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   35.687332][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687334][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.687336][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687337][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687338][  T768]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.687341][  T768]  ? __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)
[   35.687344][  T768]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.687346][  T768]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   35.687347][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.687350][  T768]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.687352][  T768]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.687356][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687359][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.687366][  T768]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   35.687369][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.687370][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687393][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.687395][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.687398][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.687400][  T768]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.687402][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687407][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.687409][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.687411][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.687412][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.687416][  T768]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   35.687418][  T768]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.687421][  T768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.687423][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687427][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.687429][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.687433][  T768]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.687436][  T768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.687439][  T768]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.687446][  T768]  ? 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))
[   35.687448][  T768]  ? 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))
[   35.687452][  T768]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.687456][  T768]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.687460][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.687463][  T768]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.687468][  T768]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.687469][  T768]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.687472][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.687477][  T768]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.687480][  T768]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   35.687483][  T768]  __sys_sendto (net/socket.c:2281)
[   35.687486][  T768]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   35.687501][  T768]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   35.687503][  T768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.687506][  T768]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.687509][  T768]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   35.687511][  T768]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.687513][  T768]  ? irq_exit_rcu (kernel/softirq.c:786)
[   35.687517][  T768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.687519][  T768] RIP: 0033:0x7f807960854e
[   35.687523][  T768] 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
[   35.687525][  T768] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   35.687528][  T768] RAX: ffffffffffffffda RBX: 000056281bb50c20 RCX: 00007f807960854e
[   35.687529][  T768] RDX: 0000000000000030 RSI: 000056281b9b9840 RDI: 0000000000000016
[   35.687530][  T768] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   35.687531][  T768] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb4d210
[   35.687531][  T768] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   40.600181][ T1059] softirqs last disabled at (34746): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   40.600183][ T1059] Preemption disabled at:
| [   40.600184][ T1059] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.600192][ T1059] Tainted: [W]=WARN
[   40.600193][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.600195][ T1059] Call Trace:
[   40.600196][ T1059]  <TASK>
[   40.600198][ T1059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.600203][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.600205][ T1059]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.600210][ T1059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.600214][ 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)
[   40.600218][ 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))
[   40.600220][ T1059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.600226][ 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)
[   40.600228][ T1059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.600232][ T1059]  put_chars (drivers/char/virtio_console.c:1176)
[   40.600235][ T1059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.600236][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.600239][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.600242][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.600247][ T1059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.600251][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600256][ T1059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.600259][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600264][ T1059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.600268][ T1059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.600269][ 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))
[   40.600273][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600274][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.600278][ T1059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.600283][ T1059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.600284][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600290][ T1059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.600293][ T1059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.600294][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600296][ 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)
[   40.600300][ T1059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.600302][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.600304][ T1059]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.600307][ T1059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.600309][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.600311][ 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))
[   40.600316][ T1059]  dev_vprintk_emit (drivers/base/core.c:5000)
[   40.600321][ T1059]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   40.600326][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.600328][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600331][ T1059]  dev_printk_emit (drivers/base/core.c:5011)
[   40.600334][ T1059]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   40.600336][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.600339][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600340][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600342][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.600344][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.600347][ T1059]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   40.600354][ T1059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   40.600357][ T1059]  ? netdev_notice (net/core/dev.c:13194)
[   40.600360][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.600362][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.600365][ T1059]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.600369][ T1059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.600371][ T1059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   40.600374][ 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))
[   40.600377][ T1059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   40.600380][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.600383][ T1059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   40.600389][ T1059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   40.600391][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600394][ T1059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.600396][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.600398][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.600399][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.600401][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.600406][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600408][ 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))
[   40.600409][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   40.600413][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.600415][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   40.600417][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600419][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.600421][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600422][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600423][ T1059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.600426][ 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)
[   40.600429][ T1059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.600431][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   40.600432][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.600435][ T1059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.600436][ T1059]  ? nla_get_range_signed (lib/nlattr.c:270)
[   40.600440][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600443][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.600451][ T1059]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   40.600454][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   40.600455][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600478][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.600480][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.600482][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.600484][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.600486][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600491][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.600493][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.600495][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   40.600497][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.600500][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   40.600502][ T1059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.600506][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.600507][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600511][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.600513][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.600517][ T1059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.600520][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.600523][ T1059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.600529][ 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))
[   40.600531][ 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))
[   40.600536][ T1059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.600540][ T1059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.600543][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.600547][ T1059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.600551][ T1059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.600552][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.600558][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.600563][ T1059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.600566][ T1059]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   40.600570][ T1059]  __sys_sendto (net/socket.c:2281)
[   40.600573][ T1059]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   40.600587][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   40.600593][ T1059]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   40.600595][ T1059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.600599][ T1059]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   40.600600][ T1059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   40.600603][ T1059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.600605][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.600607][ T1059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.600609][ T1059] RIP: 0033:0x7f807960854e
[   40.600613][ 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
[   40.600615][ T1059] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   40.600617][ T1059] RAX: ffffffffffffffda RBX: 000056281bb48c10 RCX: 00007f807960854e
[   40.600619][ T1059] RDX: 0000000000000030 RSI: 000056281b9bfe20 RDI: 0000000000000012
[   40.600619][ T1059] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   40.600620][ T1059] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb3c4f0
[   40.600621][ T1059] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   45.447866][ T1059] softirqs last disabled at (137974): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   45.447869][ T1059] Preemption disabled at:
| [   45.447869][ T1059] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.447877][ T1059] Tainted: [W]=WARN
[   45.447878][ T1059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.447880][ T1059] Call Trace:
[   45.447881][ T1059]  <TASK>
[   45.447883][ T1059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.447888][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.447890][ T1059]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.447894][ T1059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.447898][ 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)
[   45.447902][ 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))
[   45.447904][ T1059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.447911][ 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)
[   45.447913][ T1059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.447917][ T1059]  put_chars (drivers/char/virtio_console.c:1176)
[   45.447919][ T1059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.447921][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.447924][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.447927][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.447932][ T1059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.447936][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.447941][ T1059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.447944][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.447949][ T1059]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.447953][ T1059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.447955][ 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))
[   45.447958][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.447960][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.447964][ T1059]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.447968][ T1059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.447970][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.447976][ T1059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.447979][ T1059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.447980][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.447982][ 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)
[   45.447986][ T1059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.447988][ T1059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.447990][ T1059]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.447993][ T1059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.447995][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.447997][ 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))
[   45.448002][ T1059]  dev_vprintk_emit (drivers/base/core.c:5000)
[   45.448007][ T1059]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   45.448012][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.448014][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448018][ T1059]  dev_printk_emit (drivers/base/core.c:5011)
[   45.448020][ T1059]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   45.448023][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.448025][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448027][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448029][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.448030][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.448034][ T1059]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   45.448040][ T1059]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.448043][ T1059]  ? netdev_notice (net/core/dev.c:13194)
[   45.448045][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.448048][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.448051][ T1059]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.448054][ T1059]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.448056][ T1059]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   45.448059][ 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))
[   45.448063][ T1059]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   45.448066][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.448068][ T1059]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   45.448074][ T1059]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   45.448077][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448080][ T1059]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.448081][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.448083][ T1059]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.448085][ T1059]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.448087][ T1059]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.448092][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448093][ 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))
[   45.448095][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   45.448099][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.448101][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   45.448103][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.448105][ T1059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.448107][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.448108][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.448109][ T1059]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.448112][ 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)
[   45.448114][ T1059]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.448116][ T1059]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   45.448118][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.448121][ T1059]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.448122][ T1059]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.448126][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448129][ T1059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.448136][ T1059]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   45.448139][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   45.448140][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448164][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.448166][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.448168][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.448170][ T1059]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.448172][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448177][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.448179][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.448181][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   45.448182][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.448186][ T1059]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   45.448188][ T1059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.448191][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.448193][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448197][ T1059]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.448199][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.448203][ T1059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.448206][ T1059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.448208][ T1059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.448215][ 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))
[   45.448217][ 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))
[   45.448222][ T1059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.448226][ T1059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.448229][ T1059]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.448233][ T1059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.448237][ T1059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.448238][ T1059]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.448241][ T1059]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.448246][ T1059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.448249][ T1059]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   45.448252][ T1059]  __sys_sendto (net/socket.c:2281)
[   45.448255][ T1059]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   45.448270][ T1059]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   45.448272][ T1059]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.448275][ T1059]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   45.448277][ T1059]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   45.448279][ T1059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.448281][ T1059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.448284][ T1059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.448286][ T1059] RIP: 0033:0x7f807960854e
[   45.448289][ 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
[   45.448291][ T1059] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   45.448294][ T1059] RAX: ffffffffffffffda RBX: 000056281bb48c10 RCX: 00007f807960854e
[   45.448295][ T1059] RDX: 0000000000000030 RSI: 000056281b9cc680 RDI: 0000000000000012
[   45.448296][ T1059] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   45.448297][ T1059] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb35560
[   45.448297][ T1059] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   49.291831][ T1271] softirqs last disabled at (34434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   49.291833][ T1271] Preemption disabled at:
| [   49.291834][ T1271] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.291842][ T1271] Tainted: [W]=WARN
[   49.291843][ T1271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.291844][ T1271] Call Trace:
[   49.291846][ T1271]  <TASK>
[   49.291847][ T1271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.291853][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.291855][ T1271]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.291859][ T1271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.291863][ T1271]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.291868][ T1271]  __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))
[   49.291870][ T1271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.291876][ T1271]  ? 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)
[   49.291879][ T1271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.291883][ T1271]  put_chars (drivers/char/virtio_console.c:1176)
[   49.291885][ T1271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.291887][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.291890][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.291893][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.291898][ T1271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.291902][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.291907][ T1271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.291910][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.291915][ T1271]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.291919][ T1271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.291921][ T1271]  ? 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))
[   49.291924][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.291926][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.291930][ T1271]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.291934][ T1271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.291936][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.291941][ T1271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.291944][ T1271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.291946][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.291948][ T1271]  ? 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)
[   49.291951][ T1271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.291953][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.291956][ T1271]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.291959][ T1271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.291960][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.291962][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   49.291967][ T1271]  dev_vprintk_emit (drivers/base/core.c:5000)
[   49.291973][ T1271]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   49.291978][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.291980][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.291983][ T1271]  dev_printk_emit (drivers/base/core.c:5011)
[   49.291986][ T1271]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   49.291989][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.291991][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.291993][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.291994][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.291996][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.291999][ T1271]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   49.292006][ T1271]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.292009][ T1271]  ? netdev_notice (net/core/dev.c:13194)
[   49.292012][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.292014][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.292017][ T1271]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.292020][ T1271]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.292023][ T1271]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.292026][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   49.292029][ T1271]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.292032][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.292035][ T1271]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.292041][ T1271]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.292043][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292046][ T1271]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.292048][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.292049][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.292051][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.292053][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.292058][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292060][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   49.292061][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   49.292065][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.292067][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   49.292070][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.292071][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.292073][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.292074][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.292076][ T1271]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.292078][ T1271]  ? __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)
[   49.292081][ T1271]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.292083][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   49.292085][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.292088][ T1271]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.292089][ T1271]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.292093][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292096][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.292104][ T1271]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   49.292107][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   49.292108][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292131][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.292133][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.292136][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.292138][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   49.292140][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292145][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.292146][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.292148][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   49.292150][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.292154][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   49.292156][ T1271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.292159][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.292161][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292165][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.292167][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.292171][ T1271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.292174][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.292177][ T1271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.292183][ T1271]  ? 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))
[   49.292185][ T1271]  ? 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))
[   49.292192][ T1271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.292196][ T1271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.292200][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.292204][ T1271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.292208][ T1271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.292209][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.292212][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.292217][ T1271]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.292220][ T1271]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   49.292223][ T1271]  __sys_sendto (net/socket.c:2281)
[   49.292226][ T1271]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   49.292237][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   49.292243][ T1271]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   49.292245][ T1271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   49.292248][ T1271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   49.292250][ T1271]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   49.292253][ T1271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.292255][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.292257][ T1271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.292259][ T1271] RIP: 0033:0x7f807960854e
[   49.292263][ T1271] 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
[   49.292265][ T1271] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   49.292267][ T1271] RAX: ffffffffffffffda RBX: 000056281b9ba000 RCX: 00007f807960854e
[   49.292268][ T1271] RDX: 0000000000000030 RSI: 000056281b9d15e0 RDI: 0000000000000018
[   49.292269][ T1271] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   49.292270][ T1271] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb47a50
[   49.292271][ T1271] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   51.465382][ T1271] softirqs last disabled at (97558): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.465385][ T1271] Preemption disabled at:
| [   51.465385][ T1271] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.465394][ T1271] Tainted: [W]=WARN
[   51.465394][ T1271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.465396][ T1271] Call Trace:
[   51.465397][ T1271]  <TASK>
[   51.465399][ T1271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.465405][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.465406][ T1271]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.465410][ T1271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.465414][ T1271]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.465419][ T1271]  __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))
[   51.465420][ T1271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.465427][ T1271]  ? 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)
[   51.465429][ T1271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.465433][ T1271]  put_chars (drivers/char/virtio_console.c:1176)
[   51.465436][ T1271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.465437][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.465440][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.465443][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.465448][ T1271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.465452][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465457][ T1271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.465460][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465465][ T1271]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.465469][ T1271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.465471][ T1271]  ? 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))
[   51.465474][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465476][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.465480][ T1271]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.465484][ T1271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.465486][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465491][ T1271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.465494][ T1271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.465496][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465498][ T1271]  ? 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)
[   51.465501][ T1271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.465503][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.465506][ T1271]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.465509][ T1271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.465510][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.465512][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.465517][ T1271]  dev_vprintk_emit (drivers/base/core.c:5000)
[   51.465523][ T1271]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   51.465528][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.465530][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465533][ T1271]  dev_printk_emit (drivers/base/core.c:5011)
[   51.465536][ T1271]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   51.465539][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.465541][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465542][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465544][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.465546][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.465549][ T1271]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   51.465559][ T1271]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.465562][ T1271]  ? netdev_notice (net/core/dev.c:13194)
[   51.465565][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.465568][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.465570][ T1271]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.465574][ T1271]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.465576][ T1271]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.465579][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.465582][ T1271]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.465585][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.465588][ T1271]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.465594][ T1271]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.465596][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465599][ T1271]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.465601][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.465602][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.465604][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.465606][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.465611][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465613][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.465614][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   51.465622][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.465624][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   51.465627][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465628][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.465630][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465631][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465633][ T1271]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.465635][ T1271]  ? __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)
[   51.465637][ T1271]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.465639][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   51.465641][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.465644][ T1271]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.465645][ T1271]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.465649][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465652][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.465659][ T1271]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   51.465662][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   51.465664][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465686][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.465688][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.465690][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.465692][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   51.465694][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465699][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.465701][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.465703][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   51.465705][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.465708][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   51.465710][ T1271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.465713][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.465715][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465719][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.465721][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.465725][ T1271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.465728][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.465731][ T1271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.465737][ T1271]  ? 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))
[   51.465739][ T1271]  ? 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))
[   51.465744][ T1271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.465748][ T1271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.465751][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.465755][ T1271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.465759][ T1271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.465760][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.465763][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.465768][ T1271]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.465770][ T1271]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   51.465774][ T1271]  __sys_sendto (net/socket.c:2281)
[   51.465777][ T1271]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   51.465791][ T1271]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   51.465793][ T1271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.465797][ T1271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   51.465798][ T1271]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   51.465801][ T1271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.465803][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.465805][ T1271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.465808][ T1271] RIP: 0033:0x7f807960854e
[   51.465811][ T1271] 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
[   51.465813][ T1271] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   51.465816][ T1271] RAX: ffffffffffffffda RBX: 000056281b9ba000 RCX: 00007f807960854e
[   51.465817][ T1271] RDX: 0000000000000030 RSI: 000056281bb06760 RDI: 0000000000000018
[   51.465818][ T1271] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   51.465818][ T1271] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb35560
[   51.465819][ T1271] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   53.562443][ T1271] softirqs last disabled at (189288): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   53.562446][ T1271] Preemption disabled at:
| [   53.562447][ T1271] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.562454][ T1271] Tainted: [W]=WARN
[   53.562455][ T1271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.562457][ T1271] Call Trace:
[   53.562458][ T1271]  <TASK>
[   53.562460][ T1271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.562466][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.562467][ T1271]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.562472][ T1271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.562476][ T1271]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.562480][ T1271]  __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))
[   53.562482][ T1271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.562488][ T1271]  ? 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)
[   53.562491][ T1271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.562495][ T1271]  put_chars (drivers/char/virtio_console.c:1176)
[   53.562497][ T1271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.562499][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.562502][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.562505][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.562510][ T1271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.562514][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562519][ T1271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.562522][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562527][ T1271]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.562531][ T1271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.562533][ T1271]  ? 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))
[   53.562536][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562538][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.562542][ T1271]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.562546][ T1271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.562548][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562554][ T1271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.562560][ T1271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.562562][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562563][ T1271]  ? 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)
[   53.562567][ T1271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.562569][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.562572][ T1271]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.562575][ T1271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.562576][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.562578][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   53.562584][ T1271]  dev_vprintk_emit (drivers/base/core.c:5000)
[   53.562589][ T1271]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   53.562594][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.562596][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562600][ T1271]  dev_printk_emit (drivers/base/core.c:5011)
[   53.562602][ T1271]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   53.562605][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.562607][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562609][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562611][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.562612][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.562616][ T1271]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   53.562622][ T1271]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   53.562625][ T1271]  ? netdev_notice (net/core/dev.c:13194)
[   53.562633][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.562635][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.562638][ T1271]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.562641][ T1271]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.562644][ T1271]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   53.562647][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   53.562650][ T1271]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   53.562653][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.562655][ T1271]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   53.562661][ T1271]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   53.562664][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562667][ T1271]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.562668][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.562670][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.562672][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.562674][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.562679][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562680][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   53.562682][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   53.562686][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.562688][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   53.562690][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562692][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.562693][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562695][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562696][ T1271]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.562699][ T1271]  ? __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)
[   53.562701][ T1271]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.562703][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   53.562705][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.562708][ T1271]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.562709][ T1271]  ? nla_get_range_signed (lib/nlattr.c:270)
[   53.562713][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562716][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.562723][ T1271]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   53.562726][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   53.562728][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562750][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.562752][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.562755][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.562757][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   53.562759][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562764][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.562766][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.562767][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   53.562769][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.562773][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   53.562775][ T1271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.562778][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.562779][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562784][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.562786][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.562789][ T1271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.562792][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.562795][ T1271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.562802][ T1271]  ? 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))
[   53.562804][ T1271]  ? 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))
[   53.562808][ T1271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.562812][ T1271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.562816][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.562819][ T1271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.562823][ T1271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.562825][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.562827][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.562832][ T1271]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.562835][ T1271]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   53.562839][ T1271]  __sys_sendto (net/socket.c:2281)
[   53.562842][ T1271]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   53.562852][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   53.562858][ T1271]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   53.562860][ T1271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.562864][ T1271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   53.562865][ T1271]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   53.562868][ T1271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.562870][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.562872][ T1271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.562874][ T1271] RIP: 0033:0x7f807960854e
[   53.562878][ T1271] 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
[   53.562880][ T1271] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   53.562882][ T1271] RAX: ffffffffffffffda RBX: 000056281b9ba000 RCX: 00007f807960854e
[   53.562883][ T1271] RDX: 0000000000000030 RSI: 000056281b9d1180 RDI: 0000000000000018
[   53.562884][ T1271] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   53.562885][ T1271] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb1f4b0
[   53.562886][ T1271] R13: 00007ffd74349044 R14: 0000000000000000 R15: 0000000000000000
| [   55.453899][ T1271] softirqs last disabled at (241022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   55.453901][ T1271] Preemption disabled at:
| [   55.453902][ T1271] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.453910][ T1271] Tainted: [W]=WARN
[   55.453911][ T1271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.453913][ T1271] Call Trace:
[   55.453914][ T1271]  <TASK>
[   55.453916][ T1271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.453922][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.453923][ T1271]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.453928][ T1271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.453932][ T1271]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.453936][ T1271]  __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))
[   55.453938][ T1271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.453945][ T1271]  ? 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)
[   55.453947][ T1271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.453951][ T1271]  put_chars (drivers/char/virtio_console.c:1176)
[   55.453953][ T1271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.453955][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.453958][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.453961][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.453966][ T1271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.453970][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.453975][ T1271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.453978][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.453983][ T1271]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.453987][ T1271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.453989][ T1271]  ? 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))
[   55.453992][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.453994][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.453998][ T1271]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.454002][ T1271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.454004][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454010][ T1271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.454012][ T1271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.454014][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.454016][ T1271]  ? 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)
[   55.454020][ T1271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.454022][ T1271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.454024][ T1271]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.454027][ T1271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.454029][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.454031][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   55.454036][ T1271]  dev_vprintk_emit (drivers/base/core.c:5000)
[   55.454041][ T1271]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   55.454047][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.454049][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454053][ T1271]  dev_printk_emit (drivers/base/core.c:5011)
[   55.454056][ T1271]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   55.454058][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.454061][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454063][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454065][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.454066][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.454070][ T1271]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   55.454077][ T1271]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   55.454080][ T1271]  ? netdev_notice (net/core/dev.c:13194)
[   55.454083][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.454086][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.454089][ T1271]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.454092][ T1271]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.454095][ T1271]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   55.454098][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   55.454101][ T1271]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   55.454104][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.454107][ T1271]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   55.454113][ T1271]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   55.454116][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454120][ T1271]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.454121][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.454123][ T1271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.454125][ T1271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.454127][ T1271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.454131][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454133][ T1271]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   55.454135][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   55.454139][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.454141][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   55.454143][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.454145][ T1271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.454147][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.454148][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.454149][ T1271]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.454152][ T1271]  ? __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)
[   55.454155][ T1271]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.454157][ T1271]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   55.454159][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.454162][ T1271]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.454163][ T1271]  ? nla_get_range_signed (lib/nlattr.c:270)
[   55.454167][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454170][ T1271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.454177][ T1271]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   55.454181][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   55.454182][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454208][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.454210][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.454213][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.454215][ T1271]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.454217][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454222][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.454224][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.454226][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   55.454228][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.454232][ T1271]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   55.454234][ T1271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.454237][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.454239][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454243][ T1271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.454245][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.454249][ T1271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.454252][ T1271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.454255][ T1271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.454262][ T1271]  ? 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))
[   55.454264][ T1271]  ? 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))
[   55.454269][ T1271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.454273][ T1271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.454277][ T1271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.454280][ T1271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.454285][ T1271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.454286][ T1271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.454289][ T1271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.454294][ T1271]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   55.454297][ T1271]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   55.454301][ T1271]  __sys_sendto (net/socket.c:2281)
[   55.454304][ T1271]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   55.454316][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   55.454322][ T1271]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   55.454325][ T1271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   55.454328][ T1271]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   55.454330][ T1271]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   55.454332][ T1271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.454334][ T1271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.454337][ T1271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.454339][ T1271] RIP: 0033:0x7f807960854e
[   55.454343][ T1271] 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
[   55.454345][ T1271] RSP: 002b:00007ffd74348f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   55.454348][ T1271] RAX: ffffffffffffffda RBX: 000056281b9ba000 RCX: 00007f807960854e
[   55.454349][ T1271] RDX: 0000000000000030 RSI: 000056281bb4e7b0 RDI: 0000000000000018
[   55.454350][ T1271] RBP: 00007ffd74348f10 R08: 00007ffd74348f60 R09: 0000000000000080
[   55.454351][ T1271] R10: 0000000000000000 R11: 0000000000000202 R12: 000056281bb2fef0


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